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Analytical and Molecular Techniques in Biomedical Sciences


For false negative reactions, UNG causes it to turn positive because during annealing, when the temperatures are elevated beyond UNG's capacity, amplicons accumulate and a positive sign is obtained. (Burkardt, 2000) Human error, insufficient PCR amplification and detection are other factors that may decrease the usefulness of this technique

Analytical and Molecular Techniques in Biomedical Sciences


" Amongst the genes associated with SLE susceptibility involve the interferon and the T cell receptor pathways. (Chung SA, Taylor KE, Graham RR, et al

Analytical and Molecular Techniques in Biomedical Sciences


Moreover, the enzyme-substrate reaction time is short and so results must be read as soon as possible. (Glen B, Susan, Abel & Andrew, 2007) All of these tests are liable to biological and analytical variability

Analytical and Molecular Techniques in Biomedical Sciences


PCR can be used to identify disease susceptibility in relatives of patients with SLE. (GM, SL, N, et al

Analytical and Molecular Techniques in Biomedical Sciences


Pre-analytical variation can be due to phlebotomy techniques, sample transport, handling and storage techniques. (Fraser, 2012) Laboratory tests are performed to either diagnose a patient's illness, monitor one's disease progression or for epidemiological research purposes

Analytical and Molecular Techniques in Biomedical Sciences


The intensity of this color is measured at 505 nm through a green filter. (Kanagasabapathy & Kumari, 2000) For this method, three reagents were made

Analytical and Molecular Techniques in Biomedical Sciences


An elevated CRP beyond 60 mg/l, in the absence of a septic focus, may point to subclinical serositis. (Pyne, 2009) CRP levels can be measured either qualitatively, semi-quantitatively or quantitatively

Analytical Case Study of Federalism Port Arthur Massacre and Firearms


As a consequence, New South Wales passed legislation, effective from 1 October 2003, placing restrictions on the type of handguns that may lawfully be used for sports target shooting." (Griffith, 2004) There were additional measures taken in Australia and Tasmania as well, as the country was also experiencing an increase in gun related violence

Analytical Case Study of Federalism Port Arthur Massacre and Firearms


According to Greene, 2009) "Like the United States, Canada and Australia are stable, liberal, federal democracies with independent judiciaries, well-established traditions of judicial review, and written constitutions of long standing relative to most of the world." (Greene, 2009) Ostensibly court rulings in the area of violent crime established the precedent for the expectation that unlicensed guns that result in homicide by shooting will not be tolerated and will be subject to hard punishment under the jurisdiction where the penal code violation has occurred

Analytical Case Study of Federalism Port Arthur Massacre and Firearms


Bryant had never possessed a gun license, and was not asked for one when he purchased his lethal weapons, although the law in Tasmania required it (Bingham 1996, 164)." (Laming, 2007) Following the Port Arthur incident, and after the passing of legislation in 1996 to prevent incidences involving public violence, the Monash University murders of 2002 was the next incident where firearms were used in a public setting to murder civilians in cold blood

Analytical Case Study of Federalism Port Arthur Massacre and Firearms


First however, what exactly is meant by federalism? According to Nathan (1988) the definition for modern federalism is differentiable due to the existence of "both central and regional governments, a written constitution, and a republican form on a basis is subject to two governments." (Nathan, 1988) Federalism is conditionally described as a segmented system necessary to facilitate funding to localities to better accommodate a diverse society

Future Applications of Forensic DNA Analytical Methods


38). The analytical methods used for DNA to identify individuals typically involve forensic scientists scanning 13 DNA regions, or loci, that differ from individual to individual (Drell, 2009)

Future Applications of Forensic DNA Analytical Methods


A summary of the research and important findings are presented in the conclusion. Review and Discussion Basic principles of DNA analysis methods Research in the early 1950s by Crick and Watson led to the description of the double-helix structure of DNA in 1953, for which they were jointly awarded the Nobel Prize for Physiology or Medicine in 1962 (Edelson 1998)

Future Applications of Forensic DNA Analytical Methods


2). The first instance of DNA evidence being used to convict a criminal (in this case, rape) occurred in Great Britain in 1987 (Hammond 2010)

Future Applications of Forensic DNA Analytical Methods


Federal Bureau of Investigation, analyzes specific loci contained in nuclear DNA based on the standard set of 13 specific STR loci contained in data repositories such as CODIS (Drell 2009). Mitochondrial DNA analysis This method analyzes DNA samples that cannot be examined with the other techniques described above (Kaestle, Kittles, Roth & Ungvarsky 2006)

Future Applications of Forensic DNA Analytical Methods


Low copy number (LCN) Although not as widely used as some other analytical methods, this approach has been used by forensic scientists to develop profiles from exceedingly small sources of DNA (including perspiration); however, it is time-consuming and expensive and its use has been reserved for the most serious types of crimes to date (Pepper 2005). The use of this technique was temporarily suspended in the UK due to concerns about its reliability, but its efficacy has been confirm and its use has since been reinstated (O'Connor 2008)

Future Applications of Forensic DNA Analytical Methods


Finally, this method is used to identify genetic markers on the Y chromosome which is inherited by sons from their fathers, making is particularly useful in establishing relationship between males, or for analyzing biological evidence that was obtained from several males (Drell 2009). Low copy number (LCN) Although not as widely used as some other analytical methods, this approach has been used by forensic scientists to develop profiles from exceedingly small sources of DNA (including perspiration); however, it is time-consuming and expensive and its use has been reserved for the most serious types of crimes to date (Pepper 2005)

Future Applications of Forensic DNA Analytical Methods


S. government-funded National Institutes of Health (NIH) that contain several million specimens (Tutton & Corrigan, 2004)

Future Applications of Forensic DNA Analytical Methods


Allele-specific polymerase chain reaction (PCR) This technology, developed during the early 1990s, allows forensic scientists to amplify small amounts of DNA (as small as a billionth of a gram) (Pepper 2005). This method has been shown to be a cost-effective method of genotyping single nucleotide polymorphisms and mutations (Wangkumhang, Chaichoompu, Ngamphiw, Ruangrit, Chanprasert, Assawamakin & Tongsima 2007)

Individual and Analytical Psychological Theory the Field


Two theories that aim to describe the relationship between individuals and behavioral motivation are the Individual Psychology theory and the Analytical Psychology theory. The theory of individual psychology was presented by Alfred Adler, and describes an individual's need to experience oneness with all of human kind by the notion of social interest (Feist, 2005)