ComputerBased Applications in Aviation Education Essay

ComputerBased Applications in Aviation Education - Essay Example In the paper that follows, an explanation of the different procedures of technology and how they are used in modern aviation education shall be presented and well tackled. With ample research and understanding, it could be noted that the discussion of this matter could create a clearer picture as to how the entire process of technological adjustment has actually found better ways of increasing the comprehensive approach of the teaching matters that are used in improving the proper ways of enhancing students' skills on flying as well as in handling aircraft technical problems and maintenance issues. With systems of economic reform that the society is getting involved with today, education has become the most important aspect in an individual's life. In the United States today, according to the United States Census Bureau, a student's personal quest for educational enhancement and development is key to his/her long-term career and economic success. No longer are innate abilities and talents a key to a person's success or failure. Individual success or failure is now determined by the level of education that one particularly gained from studying.1 For this reason, education at some point becomes the medium of measurement among individuals in the society as to how they are supposed to be viewed in terms of possibilities of being successful. The prestige that garnering a higher level of education nowadays does not only mark a person in the society as someone who has the capability to stand for his own self, but it also remains as a mark among employers as to who among the many appl icants are they to hire for a certain position. Those who have the skills and may even have the talents find it hard enough to jump up to the executive ladder [especially for business establishment organizations].2 While on the other hand, those who have the educational attainment become the ones who are able to take place in higher positions at work, even though they may have lesser skills than that of the others who have not garnered an education as high as they do. Certainly, from this particular perspective, it could be noted that education today becomes a measuring tool for people as to how they may fare in life. Education at some point becomes an element of social classification that makes it possible for massive diversity to occur between those who have the capabilities of garnering high levels of educational attainment from those who cannot. This is primarily one of the effects of globalization within the dealings of the human society. It is undeniable that as the application of globalization progresses, the demand for highly competent workers [based on educational attainment] is indeed taken seriously by the employers at present. Furthermore, the challenge becomes much tougher because of the fact that as the globalization era comes into picture, the challenge in producing highly competent workers is presented to educators of the present systems of education. What are these challenges in particular Primarily, as globalization invites global neighbouring among nations around the world, immigration of students from different races becomes an eminent

Why We Need Horror Movies Essay Example for Free

Why We Need Horror Movies Essay In â€Å"Why We Crave Horror Movies,† Stephen King writes about horror movies, why we like them, and the purposes they serve us. One of the main reasons he makes in his essay is that he believes that there is a dark and sinister side to all people that craves to see the suffrage and despair of others and that this is why we need these movies. King says that these particular kinds of movies are good in the way that the purpose they serve is to satisfy those desires and urges. Given these two statements, it shows that even though we may have urges from time to time to cause harm or wish ill will that these films serve as a healthy release. King writes in his essay, â€Å"The potential lyncher is in almost all of us (excluding saints, past and present; but then, most saints have been crazy in their own ways), and every now and then, he has to be let loose to scream and roll around in the grass.† (110) This is simply a statement that ultimately we are just human beings expressing emotion. Although horror movies are almost always presented with people suffering horrible things like demons, possessions, and even death, they serve as a healthy release to feel the satisfaction for those desires. And they let us just cast aside our normal socially acceptable behaviors to just indulge them. Another statement King writes in his essay is that, â€Å"If we are all insane, then sanity becomes a matter of degree.† (110) This is a statement that says sanity is something that can be measured. If this is true then sanity is something that must be controlled in order to maintain civility in society. Horror movies for the normal average person as stated before simply serve as an outlet to release some bad desires; however, some people do take that desire beyond the movies and actually do go out and commit crimes and cause harm to others. To conclude, sanity is something that can be easily kept in check by most people, some not as much. And this is why we need an outlet such as movies like these to keep ourselves in check from causing actual damage and harm.

The Concept Of Collaborative Working Social Work Essay

The Concept Of Collaborative Working Social Work Essay Collaboration is a interprofessional process of communication and decision making that enables shared knowledge and skills in health care providers to synergistically influence the ways service user/patient care and the broader community health services are provided (Way et al, 2002). The development of collaborative working will necessarily entail close interprofessional working (Wilson et al., 2008). According to Wilson et al, (2008) and Hughes, Hemmingway Smith, (2005) interprofessional and collaborative working describes considering the service user in a holistic way, and the benefits to the service user that different organisations, such as Social Workers (SW), Occupational Therapists (OT) and District Nurse (DN) and other health professionals can bring working together can achieve. These definitions describe collaborative working as the act of people working together toward common goals. Integrated working involves putting the service user at the centre of decision making to m eet their needs and improve their lives (Dept of Health, 2009). This paper will focus first see why health care students learn about working together then reviewing government policy and how this can be applied in a Social Care context, then on influencing factors on the outcomes of collaborative working references within the professional literature, and finally, reviewing evidence on collaborative practice in health and social care. Learning to work collaboratively with other professionals and agencies is a clear expectation of social worker in the prescribed curriculum for the new Social Work Degree (DoH 2002). The reasons are plain: à ¢-  Service users want social workers who can collaborate effectively with others to obtain and provide services (Audit Commission 2002) à ¢-  Collaboration is central in implementing strategies for effective care and protection of children and of vulnerable adultsas underlined, respectively, by the recent report of the Victoria Climbià © Inquiry (Laming 2003) and the earlier No Secrets policies (DoH 2000) à ¢-  Effective collaboration between staff at the front-line is also a crucial ingredient in delivering the Governments broader goals of partnership between services (Whittington 2003). Experience is growing of what is involved in learning for collaborative practice. This experience promises valuable information for Social Work Degree providers and others developing learning opportunities but has not been systematically researched in UK social work programmes for a decade (Whittington 1992; Whittington et al 1994). The providers of Diploma in Social Work programmes (DipSW) represented an untapped source of directly transferable experience in this area of learning and were therefore chosen as the focus of the study. Making collaborative practice a reality in institutions requires an understanding of the essential elements, persistent and continuing efforts, and rigorous evaluation of outcomes. Satisfaction, quality, and cost effectiveness are essential factors on two dimensions: outcomes for patient care providers; and outcomes for patients. Ultimately, collaborative practice can be recognized by demonstrated effective communication patterns, achievement of enhanced patient care outcomes, and efficient and effective support services in place. If these criteria are not met, collaborative practice is a myth and not a reality in your institution. Simms LM, Dalston JW, Roberts PW. Collaborative practice: myth or reality? Hosp Health Serv Adm. 1984 Nov-Dec;29(6):36-48. PubMed PMID: 10268659. http://www.ncbi.nlm.nih.gov/pubmed Health care students are thought about collaboration so that they can see the unique contribution that each professional can bring to the provision of care in a truly holistic way. Learning about working together can help prevent the development of negative stereotypes, which can inhabit interprofessional collaboration. (Tunstall-Pedoe et al 2003) Health care students can link theory they have leant with practice and bring added value of successful collaborative practice. (www.facuity.londondeanery.ac.uk) Learning collaborative practice with other professionals is the core expectation in social work education both qualifying and post grad. Effective collaboration and interaction can directly influence a SU treatment, in a positive way, and the opposite can be said about ineffective collaboration that can have severe ramifications, which has been cited in numerous public inquiries. Professionals should also share information about SUs to keep themselves and their colleagues safe from harm. Working together to safeguard children states that training on safeguarding children and young people should be embedded within a wider framework of commitment to inter and multi-agency working at strategic and operational levels underpinned by shared goals, planning processes and values. The Children Act 1989 recognised that the identification and investigation of child abuse, together with the protection and support of victims and their families, requires multi-agency collaboration. Caring for People (DH, 1989) stated that successful collaboration required a clear, mutual understanding by every agency of each others responsibilities and powers, in order to make plain how and with whom collaboration should be secured. It is evident from the above that Government has been actively promoting collaborative working, and this is reflected in professional literature. Hence, the policy climate and legislative backdrop were established to facilitate inter-agency and intra-agency collaborati on. The stated aim has been to create high quality, needs-led, co-ordinated services that maximised choice for the service user (Payne, 1995). Political pressure in recent years has focused attention on interprofessional collaboration in SW (Pollard, Sellman Senior, 2005) and when viewed as a good thing, it is worthwhile to critically examine its benefits and drawbacks just what is so good about it. (Leathard, 2003). Interprofessional collaboration benefits the service user by the use of complementary skills, shared knowledge, resources and possibility better job satisfaction. Soon after the new Labour government in 1997 gave a powerful new impetus to the concept of collaboration and partnership between health professionals and services, they recognised this and there was a plethora of social policy initiatives official on collaborative working published. A clear indication of this can be found in NHS Plan (DH, 2000), Modernising the Social Services (DH, 1998a). Policies concentrat ed on agency structures and better joint working. This was nothing new, since the 1970s there has been a growing emphasis on multiagency working. 1974 saw the first big press involvement in the death of a child (Maria Coldwell) and they questioned why professionals were not able to protect children who they had identified as most at risk. The pendulum of threat to children then swung too much the other way and the thresholds for interventions were significantly lowered, which culminated with the Cleveland Inquiry of 1988 when children were removed from their families when there was little concrete evidence of harm (Butler-Sloss, 1988), with too much emphasis put on the medical opinion. An equilibrium was needed for a collaborative work ethic to share knowledge and skills and Munro (2010) states that other service agencies cannot and should not replace SWs, but there is a requirement for agencies to engage professionally about children, young people and families on their caseloads. T he Children Act 2004 (Dept of Health, 2004) and associated government guidance, introduced following the Public Inquiry into the death of Victoria Climbià © in 2000, including Every Child Matters (Dept of Health, 2003), were written to stress the importance of interprofessional and multiagency working and to help improve it. The failure to collaborate effectively was highlighted as one of many missed opportunities by the inquiry into the tragic death of Victoria Climbià © (Laming, 2003) and Baby Peter (Munro, 2009). There is an assumption that shared information is information understood problems with information sharing and effective commination are cited again and again in public enquiry reports Rose and Barnes 2008; Brandon et al, 2008). These problems can simply be about very practical issues, such as delays in information shearing, lost messages, names and addresses that are incorrectly recorded (Laming 2003 cited in Ten pitfalls and how to avoid them 2010) An explicit aim was to motivate the contribution of multiagency working. By 1997 Labour had been re elected and rolled out a number of studies into collaboration. These studies revealed the many complexities and obstacles to collaborative working (Weinstein, 2003). The main drivers of the governments health and social care policies were partnership, collaboration and multi-disciplinary working. One of the areas covered by Working Together to Safeguard Children 2010 (Dept of Health, 2010) stated that organisations and agencies should work together to recognise and manage any individual who presents a risk of harm to children. The Children Act 1989 (Dept of Health, 1989) requires multi-agency collaboration to help indentify and investigate any cases of child abuse, and the protection and support of victims and their families. It should be remembered that everyone brings their piece of expertise/ knowledge to help build the jigsaw (Working Together 2010) and to assess the service user i n a holistic way. Although the merits of collaboration have rarely been disputed, the risk of conflict between the professional groups remains. Some of the barriers to collaboration are different resource allocation systems, different accountability structures, professional tribalism, pace of change and spending constraints The disadvantages are if commissioning was led by health, an over-emphasis on health care needs, and inequities between patients from different practices There are challenges in terms of professional and personal resistance to change; it is difficult to change entrenched attitudes even through inter-professional education. Sometimes professionals disagree about the causes of and the solutions to problems, they may have different objectives because of different paradigms (Pierson M, 2010). There are also several concerns for SWs which include not knowing which assessments to use, appearing to be different or work differently from others in the team, not being taken seriously or listened to by colleagues and not having sufficient time or resources because of budget constraints (Warren, 2007). Some of the reasoning for this pessimistic mood is feelings of inequality and rivalries, the relative status and power of professionals, professional identity and territory. Different patterns of accountability and discretion between professionals, are all contributing factors to these feelings (Hudson, 2002). Thompson (2009) suggests that instead of the SW being viewed as the expert with all the answers to the problems, they should step back and look at what other professionals can contribute. Collaborative working offers a way forward, in which the SW works with everyone involved with the clients; carers, voluntary workers and other professional staff, to maximise the resources, thus giving an opportunity for making progress and affording the service user the best possible care. Weinstein, et al, (2003) stated that although there are problems with collaborative working, the potential positive outcomes out-weight the negatives. There could be a more integrated, timely and coherent response to the many complex human problems, fewer visits, better record keeping and transfer of information, and some reduction of risk; therefore the whole is greater than the sum of the parts. If SWs work in silos, working in a vacuum, they are unlikely to maximise their impact (Brodie, 2008). It is important to use collaboration and an interprofessional/multi agency working culture in Social Work in order that the most vulnerable service users receive the best possible assessments of their needs. The advantages are better understanding of the constraints of each agency and system overall, shared information on local needs, reduction in duplication of assessments, better planning, avoiding the blame culture when problems occurred and accessing social care via health less stigmatising. Greater knowledge of the SWs roles and responsibilities by other health care professionals will ensure that the SWs role is not substituted in assessment of the service users circumstances and needs (Munro, 2010). The Munro Report (2010) also states that if everyone holds a piece of the jigsaw a full picture is impossible until every piece is put together. Working together to Safeguard Children states a multi-professional approach is required to ensure collaboration among all involved, which may include ambulance staff, AE department staff, coroners officers, police, GPs, health visitors, school nurses, community childrens nurses, midwives, paediatricians, palliative or end of life care staff, mental health professionals, substance misuse workers, hospital bereavement staff, voluntary agencies, coroners, pathologists, forensic medical examiners, local authority childrens social care, YOTs, probation, schools, prison staff where a child has died in custody and any others who may find themselves with a contribution to make in individual cases (for example, fire fighters or faith leaders). In a study by Carpenter et al (2003) concerning the impact on staff of providing integrated care in multi-disciplinary mental health teams in the North of England, the most positive results were found in areas where services were fully integrated. There is much evidence to suggest that collaboration represents an ethical method of practice where differences are respected, but used creatively to find solutions to complex problems. In essence the service user should be cared for in a holistic approach and to achieve this collaboration is the answer. (1516) Professor Munro askes Some local areas have introduced social work-led, multi-agency locality teams to help inform best next steps in respect of a child or young person, including whether a formal child protection intervention is needed. Do you think this is useful? Do you have evidence of it working well? What are the practical implications of this approach? (http://www.communitycare.co.uk/Articles/2011/01/04/116046/munro-asks-frontline-workers-what-needs-to-change.htm)

Study Proposal: Causative Mutations in Optic Neuropathy

Study Proposal: Causative Mutations in Optic Neuropathy Optic neuropathy refers to degeneration of optic nerve. It is often described as optic atrophy that means loss of few or most of optic nerve fibers [1]. It can be symmetric or bilateral based on toxic or nutritional ( vitamin B12 or folate deficiency) insults and genetic defects [4]. In genetically inherited optic atrophies, retinal ganglion cells and optic nerve fiber layer are damaged. This damage can be focal (affects macular beam of optic nerve) or generalized [6]. The axons of retinal ganglion cells arise from retina and from optic nerve. The optic nerve enter cortex via optic disc where input signal is processed into vision. The retinal ganglion cells or nerve cells of inner retina form 1.2 million nerve fibers [1]. The key features of optic neuropathy results from death of these nerve cells or neurons. Autosomal recessive optic atrophies (ROAs) indicate loss of nerve fibers that form optic disc, optic nerve, optic chiasm and optic tracts [net bookmark]. The only key feature of isolated ROAs is optic nerve degeneration. To date defects in genes coding for mitochondrial proteins leads to isolated ROAs [4]. The genetically inherited atrophies can be familial that follows Mendelian pattern of inheritance (X-linked recessive, autosomal recessive and autosomal dominant) or non Mendelian (mitochondrial) [2]. In autosomal recessive Mendelian pattern of inheritance, two copies of mutant allele in affected person and one copy of mutant allele in carrier are present. When two carriers mate, there is an equal chance (25%) of being affected and unaffected. There is a 50% chance of being heterozygous (unaffected carrier). But in autosomal dominant pattern of inheritance, affected individuals have one mutant copy of allele so every individual has 50% chance of being affected or being normal. In the pure congenital autosomal recessive optic atrophy, symptoms like visual impairment appear very early and are present at birth or appear in first year of life. Affected individuals are severely impaired visually leading to visual disability or complete blindness. It is never associated with neurological disorders. It can be diagnosed very early, usually before the age of 4 years. Fundus examination reveals optic disc pallor temporally or bilaterally. A cupping may develop with age [3]. Affected individuals suffer from central scotoma, photophobia and also have red green color confusion [6]. Family history is critical for diagnosis [Hereditaryà ¿opticà ¿neuropathies: from clinical signs to diagnosis]. Clinical diagnosis involves fundoscopy, visual field testing, fluorescein angiography, optical coherence tomography scan of the retinal nerve fiber layers, color vision analysis and standard electroretinogram. Damage from optic nerve atrophy cannot be reversed [4].To clinically distinguishes it from LHON flourscene angiography was done which fails to show any peripapillary microvascular changes, beside this retinal activity is also normal confirmed by electroretinogram. Pathology of arOA is confirmed by testing visual evoked potential which was totally absent in affected individuals. Central or cecocentral faults are diagnosed through visual field testing. Lesion in the fovea or papillomacular bundle leads to cental scotoma which ultimately affects the central fixation. Thinning of retinal nerve fiber layer is diagnosed through optical coherence tomography scan [3, 4, clinical diagnosis]. Papillomacular bundle leads to the extension of cecocentral sctoma towards blind spot. There is no effective treatment for optic atrophy because degeneration of nerve fibers is irreversible process. Although further damage can be prevented by early diagnosis and by treating underlying causes of the disorder [ net bookmark]. As environmental factor play their role in every aspect of life likewise in this disorder alcohol consumption and smoking should be strictly prohibited [Hereditaryopticneuropathies: from clinical signs to diagnosis]. Genetic counseling and proper awareness of people is very important to prevent such genetic disorders without any effective treatment. New therapies are being formulated by designing animal models or by clinical trial on affected humans these therapies mainly focuses in preventing oxidative stress. Animal models have been designed for testing the various treatments in case of Leber hereditary optic neuropathy [Treatment of hereditaryopticneuropathies]. arOA is divided into syndromic and non-syndromic form, syndromic arOA involve multiple organs other than eye which are effected just like wolfram syndrome [6, net bookmarks]. While in non-syndromic optic nerve is affected only and it also shows familial transmission more than one members of same family can also be affected [Hereditaryopticneuropathies: from clinical signs to diagnosis]. OPA 6 and 7 are the two loci which are characterized till now, mutation in any one of two leads to arOA. Disease causing gene has been localized at chromosome 8q21–q22 (Zmax of 3.41 at h ¼0 for D8S270). D8S1794 and D8S1702 markers present on OPA6 in a 12Mb interval [6]. OPA7 containing 40 known genes, only one gene TMEM126A screened as a causative agent of non-syndromic arOA [4, 7]. TMEM126A is homozygous nonsense mutation characterized as first known mutation in case of isolated arOA, this gene transcribed into mitochondrial transmembrane protein. TMEM126A helps in early nucleation of mitochondrial complexes that is why it is also termed as mitochondria-localized mRNA (MLR) protein. It play important role in function of retinal ganglion cells by arranging protein complexes essential for the proper functioning of RGCs. It is hypothesized that TMEM126A may accelerate the rate at which protein complex assemble, which otherwise occurs slowly that ultimately affect high energy demanding RGCs. While in other tissues the effect of this mutation may be substituted by some other protein of TMEM family [4, 7]. TMEM126A transcribe single ubiquitous transcript of 770bp that contain total five exons four coding and one non-coding exon. TMEM126A present on chromosome 11 and its span is 8.5 kb. Testis, fetal retinal pigmentary epithelium (RPE), fetal retina, brain (whole), cerebellum, fetal brain and skeletal muscle are the sites where strong expression of TMEM126A has been observed. Substantial amount of specific mRNA in the ganglion cell layer, optic nerve head, the outer ellipsoide length of photoreceptor inner segments, and the outer plexiform layer is detected by the process of insitu hybridization in mouse i.e. 8 month old. In the photoreceptor outer segments and outer nuclear layer (ONL) no labeling is noticed. Mitochondria specific Alpha subunit of the ATP synthase is Immunolocalized on retinal sections of the same mouse which resulted into the same pattern of expression. So it is confirmed that TMEM126A transcribe mitochondrial localized m RNA. Linkage analysis is the process helps in finding mutation or gene resulted into arOA. Potential functionality of genes with their chromosomal location is associated through this statistical method. During chromosomal recombination markers present closely or on the same area on chromosome will remain attached together are transmitted as such in offspring’s this idea is exploited in linkage analysis. If in an individual disease gene is transmitted along with some specific markers it means disease causing gene is present close to these markers. Those disorders that follow Mendelian inheritance pattern can easily be analyzed through this process [5]. This study will be the first step which further helps in identifying the causative gene responsible for arOA in Pakistani population and also help in designing therapeutic tools for the benefit of affected persons. By conducting these type of studies we can also aware our population about such type of rare disorders.

Emergent Systems †Religion Versus Science :: Exploratory Essays Research Papers

Emergent Systems – Religion Versus Science Religion is an institution that invokes unobservable and improbable entities to explain the natural world. It provides a default explanation for anything not currently understood. Over the last few thousand years, the number of unknowns has exponentially decreased along with religion's monopoly on why and how. Now, religion is almost never invoked to interpret reality. When someone has a seizure, a hole isn't drilled in his head. When our children ask where AIDS or lightning comes from, we no longer answer "God." We now have a wonderful array of social and natural sciences at our disposal. Sociology tells us why people behave seemingly oddly in groups. Psychology explains that people aren't strictly good or evil. Biochemistry shows us how the neurons in our brain work and even gives recipes for chemicals that make us happier and less anxious. Physics tells us how these molecules are bound together and how they can be split apart. Each of the sciences is pretty confined to its scope. The pure sciences explain the simple in slightly simpler terms. The social sciences explain the complex in slightly less complex terms. However, they do string end-to-end very nicely, one picking up where the previous left off. There does seem to be a large gap that is covered by no field at this time. That gap is between neurobiology and psychology. The first explains how each individual neuron operates. The second, what they do when about 15 billion of them get together. What happens in between that creates consciousness and apparent self-awareness? To many, it's obvious that this gap will be filled by another scientific field. However, to most of the world, this is the final unknown. Like the unknowns before it, it's filled by religion. Nearly all current religious beliefs are concentrated around this remaining scientific gap. What are the most prevalent remaining religious beliefs? People no longer believe the earth is the center of the universe or disease is punishment from God. These contradict existing hard sciences. The remaining beliefs are those that fill in for this missing scientific field. The soul and the afterlife. How are the soul and afterlife related to this missing field? The soul is a catch-all concept that substitutes for our lack of understanding of consciousness. Afterlife is recognition that because the mind (soul) is not understood, it is to be treated as a black box. The afterlife concept is a hopeful presupposition that because we do not know what goes on inside the black box, it may possess an ability to transcend its apparent cease of functioning. Emergent Systems – Religion Versus Science :: Exploratory Essays Research Papers Emergent Systems – Religion Versus Science Religion is an institution that invokes unobservable and improbable entities to explain the natural world. It provides a default explanation for anything not currently understood. Over the last few thousand years, the number of unknowns has exponentially decreased along with religion's monopoly on why and how. Now, religion is almost never invoked to interpret reality. When someone has a seizure, a hole isn't drilled in his head. When our children ask where AIDS or lightning comes from, we no longer answer "God." We now have a wonderful array of social and natural sciences at our disposal. Sociology tells us why people behave seemingly oddly in groups. Psychology explains that people aren't strictly good or evil. Biochemistry shows us how the neurons in our brain work and even gives recipes for chemicals that make us happier and less anxious. Physics tells us how these molecules are bound together and how they can be split apart. Each of the sciences is pretty confined to its scope. The pure sciences explain the simple in slightly simpler terms. The social sciences explain the complex in slightly less complex terms. However, they do string end-to-end very nicely, one picking up where the previous left off. There does seem to be a large gap that is covered by no field at this time. That gap is between neurobiology and psychology. The first explains how each individual neuron operates. The second, what they do when about 15 billion of them get together. What happens in between that creates consciousness and apparent self-awareness? To many, it's obvious that this gap will be filled by another scientific field. However, to most of the world, this is the final unknown. Like the unknowns before it, it's filled by religion. Nearly all current religious beliefs are concentrated around this remaining scientific gap. What are the most prevalent remaining religious beliefs? People no longer believe the earth is the center of the universe or disease is punishment from God. These contradict existing hard sciences. The remaining beliefs are those that fill in for this missing scientific field. The soul and the afterlife. How are the soul and afterlife related to this missing field? The soul is a catch-all concept that substitutes for our lack of understanding of consciousness. Afterlife is recognition that because the mind (soul) is not understood, it is to be treated as a black box. The afterlife concept is a hopeful presupposition that because we do not know what goes on inside the black box, it may possess an ability to transcend its apparent cease of functioning.

HIV and AIDS: How Has It Developed? :: HIV AIDS Diseases Health Essays

How Has It Developed? Only within the last two decades have HIV and AIDS become largely visible in the United States and across the globe. It may appear that there is virtually a void in legislation dealing with HIV and AIDS because of the relatively recent increase in public awareness. Perhaps, though, this lack of legislation should not be surprising considering the fact that almost no other specific illnesses are the target of direct legislation. The rights of patients are often the topic of new laws; however, exact diseases or disorders are not usually expounded upon in these broader forms of legislation. The situation involving the possible transmission of HIV to Kimberly Bergalis from her dentist provoked many calls for specific legislation requiring medical professionals to be tested for HIV. Additionally, some suggest that if a health care provider tests HIV positive that he or she should be required to disclose this information to all involved patients. Since there is no preexisting legislation on mandated HIV testing for health care professionals, one must apply broader, more ambiguous interpretations of the Constitution in order to mount cases both for and against the implementation of required HIV testing [Notre Dame J. of Law]. The Amendments of the Constitution that are most applicable to the debate over required HIV testing are the Fifth and Fourteenth Amendments, which contain elements of the right to equal protection, and the fourth amendment, which contains elements of the right to privacy. The Fifth Amendment involves the role of the federal government, as opposed to th e Fourteenth Amendment which addresses the role of state governments [Notre Dame J. of Law]. An excerpt from the Fourteenth Amendment of the Constitution is given below: "†¦No state shall†¦deny to any person within its jurisdiction the equal protection of the laws." (The Constitution of the United States of America can be viewed in its entirety at http://www.publicadministration.net/resources/the-united-states-constitution/ ) The Fourteenth Amendment states rather clearly that citizens have the right to equal protection, but the Fifth Amendment does not express this right in such an explicit manner. However, Supreme Court rulings have cited the Fifth Amendment as a source of the right to equal protection through due process in various cases [Notre Dame J. of Law]. An American citizen's fundamental right to privacy is supplied by the Fourth Amendment. This amendment, as stated below, is traditionally known as the Search and Seizure Amendment. "The right of HIV and AIDS: How Has It Developed? :: HIV AIDS Diseases Health Essays How Has It Developed? Only within the last two decades have HIV and AIDS become largely visible in the United States and across the globe. It may appear that there is virtually a void in legislation dealing with HIV and AIDS because of the relatively recent increase in public awareness. Perhaps, though, this lack of legislation should not be surprising considering the fact that almost no other specific illnesses are the target of direct legislation. The rights of patients are often the topic of new laws; however, exact diseases or disorders are not usually expounded upon in these broader forms of legislation. The situation involving the possible transmission of HIV to Kimberly Bergalis from her dentist provoked many calls for specific legislation requiring medical professionals to be tested for HIV. Additionally, some suggest that if a health care provider tests HIV positive that he or she should be required to disclose this information to all involved patients. Since there is no preexisting legislation on mandated HIV testing for health care professionals, one must apply broader, more ambiguous interpretations of the Constitution in order to mount cases both for and against the implementation of required HIV testing [Notre Dame J. of Law]. The Amendments of the Constitution that are most applicable to the debate over required HIV testing are the Fifth and Fourteenth Amendments, which contain elements of the right to equal protection, and the fourth amendment, which contains elements of the right to privacy. The Fifth Amendment involves the role of the federal government, as opposed to th e Fourteenth Amendment which addresses the role of state governments [Notre Dame J. of Law]. An excerpt from the Fourteenth Amendment of the Constitution is given below: "†¦No state shall†¦deny to any person within its jurisdiction the equal protection of the laws." (The Constitution of the United States of America can be viewed in its entirety at http://www.publicadministration.net/resources/the-united-states-constitution/ ) The Fourteenth Amendment states rather clearly that citizens have the right to equal protection, but the Fifth Amendment does not express this right in such an explicit manner. However, Supreme Court rulings have cited the Fifth Amendment as a source of the right to equal protection through due process in various cases [Notre Dame J. of Law]. An American citizen's fundamental right to privacy is supplied by the Fourth Amendment. This amendment, as stated below, is traditionally known as the Search and Seizure Amendment. "The right of

Literature Survey of Methods of Data Encryption

Chapter 2 LITERATURE SURVEY This chapter deals with the assorted documents that is been referred in order to implement this undertaking. It address the techniques that has been implemented in order to supply the security and the privateness for the information has to be stored on to the cloud. The below subdivision shows the antecedently used techniques. [ 1 ] This paper tells about the Providing secure and ei ¬?cient entree to big graduated table outsourced information is an of import constituent of cloud calculating. In this paper, we propose a mechanism to work out this job in owner-write-users-read applications. We propose to code every information block with a dii ¬Ã‹â€ erent key so that i ¬Ã¢â‚¬Å¡exible cryptography-based entree control can be achieved. Through the acceptance of cardinal derivation methods, the proprietor needs to keep merely a few secrets. Analysis shows that the cardinal derivation process utilizing hash maps will present really limited calculation operating expense. We propose to utilize over-encryption and/or lazy annulment to forestall revoked users from acquiring entree to updated information blocks. We design mechanisms to manage both updates to outsourced informations and alterations in user entree rights. We investigate the operating expense and safety of the proposed attack, and survey mechanism s to better informations entree ei ¬?ciency. [ 2 ] Online personal wellness record ( PHR ) enables patients to pull off their ain medical records in a centralised manner, which greatly facilitates the storage, entree and sharing of personal wellness informations. With the outgrowth of cloud computer science, it is attractive for the PHR service suppliers to switch their PHR applications and storage into the cloud, in order to bask the elastic resources and cut down the operational cost. However, by hive awaying PHRs in the cloud, the patients lose physical control to their personal wellness informations, which makes it necessary for each patient to code her PHR information earlier uploading to the cloud waiters. Under encoding, it is disputing to accomplish i ¬?ne-grained entree control to PHR informations in a scalable and ei ¬?cient manner. For each patient, the PHR informations should be encrypted so that it is scalable with the figure of users holding entree. Besides, since there are multiple proprietors ( patients ) in a PHR system and every proprietor would code her PHR i ¬?les utilizing a dii ¬Ã‹â€ erent set of cryptanalytic keys, it is of import to cut down the cardinal distribution complexness in such multi-owner scenes. Existing cryptographic enforced entree control strategies are largely designed for the single-owner scenarios. In this paper, we propose a fresh model for entree control to PHRs within cloud calculating environment. To enable i ¬?ne-grained and scalable entree control for PHRs, we leverage attribute based encoding ( ABE ) techniques to code each patients’ PHR information. To cut down the cardinal distribution complexness, we divide the system into multiple security spheres, where each sphere manages merely a subset of the users. In this manner, each patient has full control over her ain privateness, and the cardinal direction complexness is reduced dramatically. Our proposed strategy is besides i ¬Ã¢â‚¬Å¡exible, in that it supports ei ¬?cient and on-demand annulment of user entree rights, and break-glass entree under exigency scenarios. [ 3 ] Attribute-based encoding ( ABE ) is a new vision for public cardinal encoding that allows users to code and decode messages based on user properties. For illustration, a user can make a ciphertext that can be decrypted merely by other users with properties fulfilling ( â€Å"Faculty† OR ( â€Å"PhD Student† AND â€Å"Quals Completed† ) ) . Given its expressiveness, ABE is presently being considered for many cloud storage and calculating applications. However, one of the chief efficiency drawbacks of ABE is that the size of the ciphertext and the clip required to decode it grows with the complexness of the entree expression. In this work, we propose anew paradigm for ABE that mostly eliminates this operating expense for users. Suppose that ABE ciphertexts are stored in the cloud. We show how a user can supply the cloud with a individual transmutation key that allows the cloud to interpret any ABE ciphertext satisi ¬?ed by that user’s attributes into a ( constant-size ) El Gamal-style ciphertext, without the cloud being able to read any portion of the user’s messages. To exactly dei ¬?ne and show the advantages of this attack, we provide new security dei ¬?nitions for both CPA and replayable CCA security with outsourcing, several new buildings, an execution of our algorithms and elaborate public presentation measurings. In a typical coni ¬?guration, the user saves signii ¬?cantly on both bandwidth and decoding clip, without increasing the figure of transmittals. [ 4 ] We consider the job of building a secure cloud storage service to which users outsource sensitive informations for sharing with others where, in peculiar, the service supplier is non wholly trusted by the client. Cloud storage service denotes an architectural displacement toward thin clients and handily centralized proviso of both calculating and storage resources. When using cloud storage for secure informations sharing, one of the chief motivation jobs of this architecture is supplying thin clients with both strong informations coni ¬?dentiality and i ¬Ã¢â‚¬Å¡exible i ¬?ne-grained entree control without enforcing extra cost on them ( clients ) . To accomplish this end, we propose a fresh information sharing protocol by uniting and working two of the latest property based cryptanalytic techniques, attribute-based encoding ( ABE ) and attribute-based signature ( ABS ) . Furthermore, we besides give a elaborate comparing of our strategy with several latest bing strategies. [ 5 ] Ciphertext-Policy Attribute Based Encryption ( CP-ABE ) is a promising cryptanalytic primitive for i ¬?ne-grained entree control of shared informations. In CP-ABE, each user is associated with a set of properties and informations are encrypted with entree constructions on properties. A user is able to decode a ciphertext if and merely if his properties satisfy the ciphertext entree construction. Beside this basic belongings, practical applications normally have other demands. In this paper we focus on an of import issue of attribute annulment which is cumbrous for CP-ABE strategies. In peculiar, we resolve this ambitious issue by sing more practical scenarios in which semi-trustable online placeholder waiters are available. As compared to bing strategies, our proposed solution enables the authorization to revoke user properties with minimum ei ¬Ã‹â€ ort. We achieve this by unambiguously incorporating the technique of proxy re-encryption with CP-ABE, and enable the authoriza tion to depute most of arduous undertakings to proxy waiters. Formal analysis shows that our proposed strategy is demonstrably unafraid against chosen ciphertext onslaughts. In add-on, we show that our technique can besides be applicable to the Key-Policy Attribute Based Encryption ( KP-ABE ) opposite number. [ 6 ] Data entree control is an effectual manner to guarantee informations security in the cloud. However, due to data outsourcing and untrusted cloud waiters, the informations entree control becomes a ambitious issue in cloud storage systems. Existing entree control strategies are no longer applicable to overcast storage systems, because they either produce multiple encrypted transcripts of the same information or necessitate a to the full trusted cloud waiter. CiphertextPolicy Attribute- based Encryption ( CP-ABE ) is a promising technique for entree control of encrypted information. However, due to the inefi ¬?ciency of decoding and annulment, bing CPABE strategies can non be straight applied to build informations entree control strategy for multi-authority cloud storage systems, where users may keep properties from multiple governments. In this paper, we propose DAC-MACS ( Data Access Control for Multi-Authority Cloud Storage ) , an effectual and unafraid informations entree control strategy with efi ¬?cient decoding and annulment. Specii ¬?cally, we construct a new multi-authority CP-ABE strategy with efi ¬?cient decoding, and besides plan an efi ¬?cient property annulment method that can accomplish both forward security and backward security. We further suggest an extended informations entree control strategy ( EDAC-MACS ) , which is unafraid under weaker security premises. [ 7 ] We propose a new theoretical account for informations storage and entree in clouds. Our scheme avoids hive awaying multiple encrypted transcripts of same informations. In our model for secure informations storage, cloud shops encrypted informations ( without being able to decode them ) . The chief freshness of our theoretical account is add-on of cardinal distribution centres ( KDCs ) . We propose DACC ( Distributed Access Control in Clouds ) algorithm, where one or more KDCs distribute keys to informations proprietors and users. KDC may supply entree to peculiar i ¬?elds in all records. Therefore, a individual key replaces separate keys from proprietors. Owners and users are assigned certain set of properties. Owner encrypts the information with the properties it has and shops them in the cloud. The users with fiting set of properties can recover the information from the cloud. We apply attribute-based encoding based on bilinear couplings on elliptic curves. The strategy is collusion secure ; two users can non together decrypt any informations that none of them has single right to entree. DACC besides supports annulment of users, without redistributing keys to all the users of cloud services. We show that our attack consequences in lower communicating, calculation and storage operating expenses, compared to bing theoretical accounts and strategies. [ 8 ] Ciphertext Policy Attribute Based Encryption ( CPABE ) enables users’ encoding with an entree construction while delegating decoding capableness in conformity with attribute sets. In this paper, we study central-control annulment in CPABE environment, where the proposed key coevals, encoding and decoding algorithms closely comply with CPABE theoretical account, and cardinal update algorithm is developed. In add-on, we inherit the most efi ¬?cient annulment techniques to better the efi ¬?ciency of our cardinal update algorithm. With our strategy, users can remain attribute anon. while being associated with a alone identii ¬?er in system manager’s position, hence revoking malicious users’ decoding capablenesss harmonizing to their alone identii ¬?ers would non impact honest users’ decoding. Our strategy can be proved chosen plaintext secure based on Decisional Bilinear Difi ¬?e-Hellman ( DBDH ) premise in the standard theoretical account. We besides provide efi ¬?ciency analysis and some extensions including deputation capableness and chosen ciphertext security. [ 9 ] Secure outsourcing of calculation to an untrusted ( cloud ) service supplier is going more and more of import. Pure cryptanalytic solutions based on to the full homomorphic and verii ¬?able encoding, late proposed, are assuring but sui ¬Ã‹â€ er from really high latency. Other proposals perform the whole calculation on tamper-proof hardware and normally sui ¬Ã‹â€ er from the the same job. Trusted computer science ( TC ) is another assuring attack that uses trusted package and hardware constituents on calculating platforms to supply utile mechanisms such as attestation leting the information proprietor to verify the unity of the cloud and its calculation. However, on the one manus these solutions require trust in hardware ( CPU, trusted calculating faculties ) that are under the physical control of the cloud supplier, and on the other manus they still have to confront the challenge of run-time attestation. In this paper we focus on applications where the latency of the calculation should be minimized, i.e. , the clip from subjecting the question until having the result of the calculation should be every bit little as possible. To accomplish this we show how to unite a sure hardware item ( e.g. , a cryptanalytic coprocessor or provided by the client ) with Secure Function Evaluation ( SFE ) to calculate arbitrary maps on secret ( encrypted ) informations where the calculation leaks no information and is verii ¬?able. The item is used in the apparatus stage merely whereas in the time-critical online stage the cloud computes the encrypted map on encrypted informations utilizing symmetric encoding primitives merely and without any interaction with other entities. [ 10 ] The cardinal barrier to widespread consumption of cloud computer science is the deficiency of trust in clouds by possible clients. While preventative controls for security and privateness steps are actively being researched, there is still small focal point on investigator controls related to overcast answerability and auditability. The complexness ensuing from the sheer sum of virtualization and informations distribution carried out in current clouds has besides revealed an pressing demand for research in cloud answerability, as has the displacement in focal point of client concerns from waiter wellness and use to the unity and safety of end-users ‘ informations. This paper discusses cardinal challenges in accomplishing a sure cloud through the usage of investigator controls, and presents the TrustCloud model, which addresses answerability in cloud calculating via proficient and policy-based attacks. [ 11 ] We introduce a new and various cryptanalytic primitive called Attribute-Based Signatures ( ABS ) , in which a signature attests non to the individuality of the person who endorsed a message, but alternatively to a ( perchance composite ) claim sing the properties she posseses. ABS oi ¬Ã‹â€ ers: – A strong unforgeability warrant for the verii ¬?er, that the signature was produced by a individual party whose properties satisfy the claim being made ; i.e. , non by a collusion of persons who pooled their properties together. – A strong privateness warrant for the signer, that the signature reveals nil about the individuality or properties of the signer beyond what is explicitly revealed by the claim being made. We officially dei ¬?ne the security demands of ABS as a cryptanalytic primitive, and so depict an ei ¬?cient ABS building based on groups with bilinear couplings. We prove that our building is secure in the generic group theoretical account. Finally, we illustrate several applications of this new tool ; in peculiar, ABS i ¬?lls a critical security demand in attribute-based messaging ( ABM ) systems. A powerful characteristic of our ABS building is that unlike many other attribute-based cryptanalytic primitives, it can be readily used in a multi-authority scene, wherein users can do claims affecting combinations of properties issued by independent and reciprocally mistrusting governments. [ 12 ] The secured informations sharing is provided between the information proprietor and user based on the user’s properties. It achieves more secure and all right grained informations entree control in the informations sharing system. Data security is the cardinal concern in the distributed system. Cryptanalytic methods are used to implement the entree policies of users. But here the cardinal coevals centre ( escrow ) can obtain the messages directing between the users by bring forthing the private key. This is referred as Key escrow job. This job can be solved by escrow free key coevals utilizing 3PC ( Three Party Computation ) . Thus the proposed system gives the greater public presentation and security to the distributed informations sharing system. [ 13 ] This paper proposes aâ€Å"Mesh Signatures†which defines the mesh signature primitive as an anon. signature similar in spirit to pealing signatures, but with a much richer linguistic communication for showing signer ambiguity. The linguistic communication can stand for complex entree constructions, and in peculiar allows single signature constituents to be replaced with complete certification ironss. Because keep backing one’s public key from position is no longer a shield against being named as a possible cosigner, mesh signatures may be used as a ring signature with mandatory registration. We give an efficient building based on bilinear maps in the common random threading theoretical account. Our signatures have additive size, achieve everlasting perfect namelessness, and cut down to really efficient ring signatures without random prophets as a particular instance. Mesh signatures generalise this impression to monotone entree constructions represent able as a t ree, whose interior node are And, Or, and Threshold Gatess.