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https://www.readbyqxmd.com/read/28549176/effect-of-temperature-on-the-survival-and-development-of-three-forensically-relevant-dermestes-species-coleoptera-dermestidae
#1
Daniel Martín-Vega, Luisa M Díaz-Aranda, Arturo Baz, Blanca Cifrián
La mayoría de las especies del género Dermestes (Coleoptera: Dermestidae) son carroñeras durante la fase larvaria y la fase adulta, con preferencia por la materia orgánica seca. Debido a esto, los derméstidos son indicadores potencialmente útiles en las investigaciones forenses que impliquen restos humanos momificados y/o esqueléticos. Lamentablemente, los datos de referencia sobre el desarrollo de la mayoría de las especies de Dermestes de relevancia forense son escasos. Este estudio analiza el efecto de cinco temperaturas constantes (15, 20, 25, 30 y 35 °C) sobre la supervivencia y la tasa de desarrollo de tres de los derméstidos de mayor relevancia forense: Dermestes frischii Kugelan, Dermestes maculatus De Geer y Dermestes undulatus Brahm...
May 26, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28548893/dynamic-decision-making-learning-processes-and-new-research-directions
#2
Cleotilde Gonzalez, Pegah Fakhari, Jerome Busemeyer
OBJECTIVE: The aim of this manuscript is to provide a review of contemporary research and applications on dynamic decision making (DDM). BACKGROUND: Since early DDM studies, there has been little systematic progress in understanding decision making in complex, dynamic systems. Our review contributes to better understanding of decision making processes in dynamic tasks. METHOD: We discuss new research directions in DDM to highlight the value of simplification in the study of complex decision processes, divided into experimental and theoretical/computational approaches, and focus on problems involving control tasks and search-and-choice tasks...
May 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28547887/quantifying-sexual-dimorphism-in-the-human-cranium-a-preliminary-analysis-of-a-novel-method
#3
Ana M Casado
In forensic anthropology, sexually dimorphic cranial features are traditionally visually assessed and scored using an ordinal scale, which is highly subjective. This study quantifies six cranial features using original three-dimensional coordinate measurements to provide greater accuracy in sex estimation. Cranial features include supraorbital ridges, glabella, external occipital protuberance, nuchal protuberances, mastoid processes, and frontal bosses. Measurements were taken using coordinate calipers from 158 White and Black male and female crania from the Maxwell Documented Collection at University of New Mexico and Tennessee's Bass Collection...
May 26, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28547850/detection-of-contact-traces-of-powdery-substances
#4
Wojciech Pawłowski, Łukasz Matyjasek, Monika Karpińska
The current practice in securing the contact traces of chemical substances taken from clothes belonging to a person suspected of manual handling explosives is focused on pockets and cuffs. The outerwear worn by people who had contact with fluorescent powders that simulate explosives and drugs was the subject of this study. Clothes were first exposed to the test substance for a period of time and then analyzed by fluorescence methods to determine the location of the highest quantity of traces. The results obtained from the study confirm that the areas with the highest concentration of powdery traces are different from those suggested by current forensic practice...
May 26, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28547802/the-power-of-exclusion-using-automated-osteometric-sorting-pair-matching
#5
Jeffrey James Lynch, John Byrd, Carrie B LeGarde
This study compares the original pair-matching osteometric sorting model (J Forensic Sci 2003;48:717) against two new models providing validation and performance testing across three samples. The samples include the Forensic Data Bank, USS Oklahoma, and the osteometric sorting reference used within the Defense POW/MIA Accounting Agency. A computer science solution to generating dynamic statistical models across a commingled assemblage is presented. The issue of normality is investigated showing the relative robustness against non-normality and a data transformation to control for normality...
May 26, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28547136/curiosities-of-x-chromosomal-markers-and-haplotypes
#6
Daniel Kling
Recent progress in forensic genetics has introduced a number of closely located short tandem repeat (STR) markers on the X chromosome. Inevitably, dependencies arise that have to be accounted for. This paper will in detail explore the complex statistical interpretation of X-chromosomal STR markers, focusing on likelihood calculations. Specifically, we will investigate how the phase uncertainty of haplotypes comes into play in the statistical evaluations and what curious effects this phenomenon can have. The starting point is the different real cases where the weight of evidence has provided unexpected results that require further investigation in order to be fully understood...
May 26, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28545431/structured-feedback-on-students-concept-maps-the-proverbial-path-to-learning
#7
Conran Joseph, David Conradsson, Lena Nilsson Wikmar, Michael Rowe
BACKGROUND: Good conceptual knowledge is an essential requirement for health professions students, in that they are required to apply concepts learned in the classroom to a variety of different contexts. However, the use of traditional methods of assessment limits the educator's ability to correct students' conceptual knowledge prior to altering the educational context. Concept mapping (CM) is an educational tool for evaluating conceptual knowledge, but little is known about its use in facilitating the development of richer knowledge frameworks...
May 25, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28544956/dna-commission-of-the-international-society-for-forensic-genetics-isfg-guidelines-on-the-use-of-x-strs-in-kinship-analysis
#8
Andreas O Tillmar, Daniel Kling, John M Butler, Walther Parson, Mechthild Prinz, Peter M Schneider, Thore Egeland, Leonor Gusmão
Forensic genetic laboratories perform an increasing amount of genetic analyses of the X chromosome, in particular to solve complex cases of kinship analysis. For some biological relationships X-chromosomal markers can be more informative than autosomal markers, and there are a large number of markers, methods and databases that have been described for forensic use. Due to their particular mode of inheritance, and their physical location on a single chromosome, some specific considerations are required when estimating the weight of evidence for X-chromosomal marker DNA data...
May 13, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28544375/proteomic-analysis-of-hair-shafts-from-monozygotic-twins-expression-profiles-and-genetically-variant-peptides
#9
Pei-Wen Wu, Katelyn E Mason, Blythe P Durbin-Johnson, Michelle Salemi, Brett S Phinney, David M Rocke, Glendon J Parker, Robert H Rice
Forensic association of hair shaft evidence with individuals is currently assessed by comparing mitochondrial DNA haplotypes of reference and casework samples, primarily for exclusionary purposes. Present work tests and validates more recent proteomic approaches to extract quantitative transcriptional and genetic information from hair samples of monozygotic twin pairs, which would be predicted to partition away from unrelated individuals if the datasets contain identifying information. Protein expression profiles and polymorphic, genetically variant hair peptides were generated from 10 pairs of monozygotic twins...
May 22, 2017: Proteomics
https://www.readbyqxmd.com/read/28543548/fate-and-behavior-of-gunshot-residue-a-review
#10
REVIEW
Lauren S Blakey, George P Sharples, Kal Chana, Jason W Birkett
A review of the literature concerning the fate and behavior of gunshot residue (GSR) is presented. A number of concomitant parameters including firearm and ammunition type, plume and GSR material characteristics, travel distances, chemical composition and GSR morphology are critically discussed in relation to their effects on the distribution and deposition, transfer and persistence processes of GSR. The underlying mechanisms associated with such processes are also considered. Knowledge of these processes on GSR materials could provide valuable information concerning scene preservation and subsequent forensic sampling...
May 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542816/identification-of-microorganisms-isolated-from-counterfeit-and-unapproved-decorative-contact-lenses
#11
Adrian D Land, Katie L Penno, Jennifer L Brzezinski
All contact lenses (corrective/noncorrective) are considered Class II or Class III medical devices under the Federal Food, Drug, and Cosmetic Act, which also states that contact lenses can only be obtained with a prescription. The Forensic Chemistry Center of the US Food & Drug Administration has examined over 300 decorative, noncorrective contact lenses obtained without a prescription. Our observations indicate that 60% of the counterfeit lenses and 27% of the unapproved lenses examined were positive for microbial contamination...
May 24, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542741/age-estimation-of-immature-human-skeletal-remains-from-the-dimensions-of-the-girdle-bones-in-the-postnatal-period
#12
Hugo F V Cardoso, Laure Spake, Louise T Humphrey
OBJECTIVES: This study provides classical calibration regression formulae for age estimation from the dimensions of unfused shoulder and pelvic girdle bones. MATERIALS AND METHODS: Age estimation models were derived from a sample of 160 known age and sex individuals (63 females and 97 males) aged birth to 12 years, selected from Portuguese and English skeletal collections. The sample was divided into two age groups at the age of 2 years, and formulae were obtained for the sexes separately and combined...
May 24, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28542737/intraobserver-error-in-macromorphoscopic-trait-data
#13
Kelly R Kamnikar, Amber M Plemons, Joseph T Hefner
As part of a much larger investigation into the use of macromorphoscopic trait data by forensic anthropologists to estimate ancestry from unidentified skeletal remains, we conducted a fourteen-year (2002-2016) intraobserver error study. Motivated by the development of a large macromorphoscopic database-which will potentially utilize data collected in 2002-quantification of observer error, the impact of technological improvements in macromorphoscopic trait data collection and observer experience is necessary...
May 24, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542338/a-technique-for-setting-analytical-thresholds-in-massively-parallel-sequencing-based-forensic-dna-analysis
#14
Brian Young, Jonathan L King, Bruce Budowle, Luigi Armogida
Amplicon (targeted) sequencing by massively parallel sequencing (PCR-MPS) is a potential method for use in forensic DNA analyses. In this application, PCR-MPS may supplement or replace other instrumental analysis methods such as capillary electrophoresis and Sanger sequencing for STR and mitochondrial DNA typing, respectively. PCR-MPS also may enable the expansion of forensic DNA analysis methods to include new marker systems such as single nucleotide polymorphisms (SNPs) and insertion/deletions (indels) that currently are assayable using various instrumental analysis methods including microarray and quantitative PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28541462/nonconsumptive-effects-of-predatory-chrysomya-rufifacies-diptera-calliphoridae-larval-cues-on-larval-cochliomyia-macellaria-diptera-calliphoridae-growth-and-development
#15
Micah Flores, Tawni L Crippen, Michael Longnecker, Jeffery K Tomberlin
Forensic entomologists often rely on development data associated with a given species to estimate when it colonized human or other vertebrate remains. In most instances, these development studies are based on single species reared in isolation in the laboratory. This study examined the impact of excretions and secretions (ES) associated with third-instar Chrysomya rufifacies (Macquart), a predator, on the development of its prey, Cochliomyia macellaria (F.). Not surprisingly, Ch. rufifacies ES did not impact the development of first- or second-instar C...
May 25, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28541461/screening-with-quantification-for-64-drugs-and-metabolites-in-human-urine-using-uplc-ms-ms-analysis-and-a-threshold-accurate-calibration
#16
Thomas G Rosano, Patrice Y Ohouo, Michelle Wood
Drug and metabolite (analytes) identification together with quantification is an important analytical tool in forensic and clinical toxicology. We report the development and validation of a definitive detection and quantification method (UPLC-MS-MS) for initial screening of 64 analytes in urine. The principle of the method is a quantitative extension of a recently reported threshold accurate calibration (TAC) technique which employs a rapid dual-specimen analysis i.e., with and without addition of a reference-analyte standard for normalization of matrix effects...
May 24, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28541170/commentary-reservations-about-the-lessons-drawn-from-moral-education-public-health-ethics-and-forensic-psychiatry
#17
Bert Gordijn
No abstract text is available yet for this article.
July 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28541169/imagining-moral-bioenhancement-practices-drawing-inspiration-from-moral-education-public-health-ethics-and-forensic-psychiatry
#18
Jona Specker, Maartje H N Schermer
In this article, we consider contexts or domains in which (future) moral bioenhancement interventions possibly or most likely will be implemented. By looking closely at similar or related existing practices and their relevant ethical frameworks, we hope to identify ethical considerations that are relevant for evaluating potential moral bioenhancement interventions. We examine, first, debates on the proper scope of moral education; second, proposals for identifying early risk factors for antisocial behaviour; and third, the difficult balancing of individual freedom and third party concerns in (forensic) psychiatry...
July 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28540038/effectiveness-of-paliperidone-depot-injection-in-seriously-violent-men-with-comorbid-schizophrenia-and-dissocial-personality-disorder-in-a-uk-high-security-hospital
#19
Anna-Marie Mortlock, Fintan Larkin, Callum C Ross, Nitin Gupta, Samrat Sengupta, Mrigendra Das
BACKGROUND: High-security hospital patients are often complex in presentation and are characterized by treatment resistance, medication nonadherence and history of violence. Paliperidone is licensed both as an oral and depot antipsychotic medication in the treatment of schizophrenia. Clinical trials have shown that paliperidone depot is well tolerated with similar efficacy to risperidone depot but with additional practical advantages. Whilst data exist for the effectiveness of paliperidone palmitate (PP), there are no studies involving patients in forensic settings or those with comorbid personality disorder...
May 2017: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/28538756/psychiatric-evaluation-of-civil-capacity-with-the-new-brazilian-statute-of-the-person-with-disabilities
#20
Elias Abdalla-Filho
The objective of this paper is to provide an update to psychiatrists regarding the new Brazilian Law for the Inclusion of People with Disabilities (BLI, Law 13,146 of 2015), and, specifically, to discuss potential implications of situations in which examination by a forensic psychiatrist points toward civil incompetence, while the above-mentioned law mandates full civil capacity for disabled persons. A study of Law 13,146/2015 was conducted, including a comparative analysis of legal and psychiatric approaches on the subject...
May 22, 2017: Revista Brasileira de Psiquiatria
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