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https://www.readbyqxmd.com/read/28092535/super-resolution-person-re-identification-with-semi-coupled-low-rank-discriminant-dictionary-learning
#1
Xiao-Yuan Jing, Xiaoke Zhu, Fei Wu, Ruimin Hu, Xinge You, Yunhong Wang, Hui Feng, Jing-Yu Yang
Person re-identification has been widely studied due to its importance in surveillance and forensics applications. In practice, gallery images are high-resolution (HR) while probe images are usually low-resolution (LR) in the identification scenarios with large variation of illumination, weather or quality of cameras. Person re-identification in this kind of scenarios, which we call super-resolution (SR) person re-identification, has not been well studied. In this paper, we propose a semi-coupled low-rank discriminant dictionary learning (SLD2L) approach for SR person re-identification task...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28091985/frequency-of-forensic-toxicological-analysis-in-external-cause-deaths-among-nursing-home-residents-an-analysis-of-trends
#2
Georgia Aitken, Briony Murphy, Jennifer Pilgrim, Lyndal Bugeja, David Ranson, Joseph Elias Ibrahim
There is a paucity of research examining the utility of forensic toxicology in the investigation of premature external cause deaths of residents in nursing homes. The aim of this study is to describe the frequency and characteristics of toxicological analysis conducted in external cause (injury-related) deaths amongst nursing home residents in Victoria, Australia. This study was a retrospective cohort study examining external cause deaths among nursing home residents during the period July 1, 2000 to December 31, 2012 in Victoria, Australia, using the National Coronial Information System (NCIS)...
January 16, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28091758/-deaths-from-propofol-abuse-survey-of-institutes-of-forensic-medicine-in-germany-austria-and-switzerland
#3
C Maier, J Iwunna, M Tsokos, F Mußhoff
Previous references suggesting a high mortality of propofol addiction in medical personnel were mostly based on surveys of the heads of medical departments or case reports; therefore, a questionnaire was sent to 48 forensic medicine departments in Germany, Austria and Switzerland concerning the number of autopsies carried out between 2002-2112 on medical personnel with the suspicion of abuse of propofol or other analgesics. The response rate was 67%. In 16 out of the 32 responding departments 39 deaths (27 males) were observed with previous connections to anesthesiology, intensive care or emergency departments of which 22 were physicians, 13 nurses, 2 other personnel and 2 were unknown...
January 13, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28091725/genetic-polymorphism-investigation-of-the-chinese-yi-minority-using-powerplex%C3%A2-y23-str-amplification-system
#4
GuangLin He, PengYu Chen, Xing Zou, Xu Chen, Feng Song, Jing Yan, YiPing Hou
Twenty-three Y-STR loci (DYS576, DYS389I, DYS389 II, DYS448, DYS19, DYS391, DYS481, DYS549, DYS533, DYS438, DYS437, DYS570, DYS635, DYS390, DYS439, DYS392, DYS393, DYS458 DYS456, DYS643, Y-GATA-H4, and DYS385a/b) included in the next-generation PowerPlex® Y23 System were first investigated in 311 unrelated, healthy male individuals from the Yi minority population residing in the Liangshan Yi Autonomous Prefecture, Sichuan, China. A total of 179 alleles and 297 haplotypes were discovered in the Yi group. In total, 285 haplotypes among them were unique, and the remaining 12 haplotypes were observed in two or three individuals...
January 16, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28090491/allelic-variance-among-abo-blood-group-genotypes-in-a-population-from-the-western-region-of-saudi-arabia
#5
Abdularahman B O Mohamed, Salwa Ibrahim Hindawi, Sameer Al-Harthi, Qamre Alam, Mohammad Zubair Alam, Absarul Haque, Waseem Ahmad, Ghazi A Damanhouri
BACKGROUND: Characterization of the ABO blood group at the phenotype and genotype levels is clinically essential for transfusion, forensics, and population studies. This study elucidated ABO phenotypes and genotypes, and performed an evaluation of their distribution in individuals from the western region of Saudi Arabia. METHODS: One-hundred and seven samples underwent standard serological techniques for ABO blood group phenotype analysis. ABO alleles and genotypes were identified using multiplex polymerase chain reaction, and electrophoretic analysis was performed to evaluate the highly polymorphic ABO locus...
December 2016: Blood Research
https://www.readbyqxmd.com/read/28089301/time-since-discharge-of-9mm-cartridges-by-headspace-analysis-part-2-ageing-study-and-estimation-of-the-time-since-discharge-using-multivariate-regression
#6
M Gallidabino, F S Romolo, C Weyermann
Estimating the time since discharge of spent cartridges can be a valuable tool in the forensic investigation of firearm-related crimes. To reach this aim, it was previously proposed that the decrease of volatile organic compounds released during discharge is monitored over time using non-destructive headspace extraction techniques. While promising results were obtained for large-calibre cartridges (e.g., shotgun shells), handgun calibres yielded unsatisfying results. In addition to the natural complexity of the specimen itself, these can also be attributed to some selective choices in the methods development...
December 27, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28089299/the-non-sense-of-routinely-analysing-beta-hydroxybutyric-acid-in-forensic-toxicology-casework
#7
Nele Sadones, Willy E Lambert, Christophe P Stove
Beta-hydroxybutyric acid (BHB) is a ketone body which is generated from fatty acids as an alternative energy source when glucose is not available. Determination of this compound may be relevant in the forensic laboratory as ketoacidosis - an elevated level of ketone bodies - may contribute to the cause of death. In this study, we aimed at determining the relevance of routinely implementing BHB analysis in the forensic toxicological laboratory, as BHB analysis typically requires an additional workload. We therefore performed an unbiased retrospective analysis of BHB in 599 cases, comprising 553 blood, 232 urine and 62 vitreous humour samples...
January 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28089298/gunshot-wound-trajectory-analysis-using-forensic-animation-to-establish-relative-positions-of-shooter-and-victim
#8
Aisling A Galligan, Craig Fries, Judy Melinek
Forensic pathologists who autopsy the victims of gun violence are often called upon to answer questions in both criminal and civil proceedings about the relative position of the shooter and the victim. In this case report of an officer-involved shooting incident, the statement of the police officer appeared to be in direct contradiction to the statements of other eyewitnesses, the evidence at the scene, and the final resting position of the decedent's body. Trajectory analysis of two gunshot wound pathways (only one of which was instantaneously incapacitating) was performed to assess the veracity of the officer's statement and forensic animation was used to create a court exhibit...
January 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28089297/time-since-discharge-of-9mm-cartridges-by-headspace-analysis-part-1-comprehensive-optimisation-and-validation-of-a-headspace-sorptive-extraction-hsse-method
#9
M Gallidabino, F S Romolo, C Weyermann
Estimating the time since discharge of spent cartridges can be a valuable tool in the forensic investigation of firearm-related crimes. To reach this aim, it was previously proposed that the decrease of volatile organic compounds released during discharge is monitored over time using non-destructive headspace extraction techniques. While promising results were obtained for large-calibre cartridges (e.g., shotgun shells), handgun calibres yielded unsatisfying results. In addition to the natural complexity of the specimen itself, these can also be attributed to some selective choices in the methods development...
December 24, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28088090/degradation-in-forensic-trace-dna-samples-explored-by-massively-parallel-sequencing
#10
Eirik Nataas Hanssen, Robert Lyle, Thore Egeland, Peter Gill
Routine forensic analysis using STRs will fail if the DNA is too degraded. The DNA degradation process in biological stain material is not well understood. In this study we sequenced old semen and blood stains by massively parallel sequencing. The sequence data coverage was used to measure degradation across the genome. The results supported the contention that degradation is uniform across the genome, showing no evidence of regions with increased or decreased resistance towards degradation. Thus the lack of genetic regions robust to degradation removes the possibility of using such regions to further optimize analysis performance for degraded DNA...
January 3, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28088044/dried-haematic-microsamples-and-lc-ms-ms-for-the-analysis-of-natural-and-synthetic-cannabinoids
#11
Michele Protti, James Rudge, Angelo Eliseo Sberna, Gilberto Gerra, Laura Mercolini
Synthetic cannabinoids are new psychoactive substances (NPS) with similar effects when compared to natural ones found in Cannabis derivatives. They have rapidly integrated into the illicit market, often sold as alternatives under international control. The need to identify and quantify an unprecedented and growing number of new compounds represents a unique challenge for toxicological, forensic and anti-doping analysis. Dried blood spots have been used within the bioanalytical framework in place of plasma or serum, in order to reduce invasiveness, lower sample size, simplify handling, storage and shipping of samples and to facilitate home-based and on-field applications...
December 30, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28087994/commentary-on-mauf-s-jentzsch-t-laberke-pj-thali-mj-bartsch-c-why-we-need-postmortem-analysis-of-cardiac-implantable-electronic-devices-j-forensic-sci-2016-61-4-988-92
#12
Ellen Moffatt, Zian H Tseng
No abstract text is available yet for this article.
January 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28087155/population-genetic-data-of-38-insertion-deletion-markers-in-six-populations-of-the-northern-fringe-of-the-iberian-peninsula
#13
Sergio Cardoso, Rubén Sevillano, David Gamarra, Ana Santurtún, Begoña Martínez-Jarreta, Marian M de Pancorbo
Insertion-deletions have been reported very useful markers for forensic purposes. To further deepen in this matter, 38 non-coding bi-allelic autosomal indels were analyzed in 575 individuals representing six populations from the northern fringe of the Iberian Peninsula. Autochthonous populations from the Basque Country, northern Navarre, the Pas Valley in Cantabria and Aragon were analyzed, together with non-autochthonous populations from the Basque Country and northern Navarre. At the intra-population level, all loci analyzed were in Hardy-Weinberg equilibrium except for marker rs33917182 in autochthonous Basques...
January 3, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28086968/microbiota-fingerprints-lose-individually-identifying-features-over-time
#14
David Wilkins, Marcus H Y Leung, Patrick K H Lee
BACKGROUND: Humans host individually unique skin microbiota, suggesting that microbiota traces transferred from skin to surfaces could serve as forensic markers analogous to fingerprints. While it is known that individuals leave identifiable microbiota traces on surfaces, it is not clear for how long these traces persist. Moreover, as skin and surface microbiota change with time, even persistent traces may lose their forensic potential as they would cease to resemble the microbiota of the person who left them...
January 9, 2017: Microbiome
https://www.readbyqxmd.com/read/28081518/development-of-a-biometric-method-to-estimate-age-on-hand-radiographs
#15
Floriane Remy, Gabriela Hossu, Romain Cendre, Emilien Micard, Laurence Mainard-Simard, Jacques Felblinger, Laurent Martrille, Loïc Lalys
Age estimation of living individuals aged less than 13, 18 or 21 years, which are some relevant legal ages in most European countries, is currently problematic in the forensic context. Thus, numerous methods are available for legal authorities, although their efficiency can be discussed. For those reasons, we aimed to propose a new method, based on the biometric analysis of hand bones. 451 hand radiographs of French individuals under the age of 21 were retrospectively analyzed. This total sample was divided into three subgroups bounded by the relevant legal ages previously mentioned: 0-13, 13-18 and 18-21 years...
December 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28080105/cross-cultural-feigning-assessment-a-systematic-review-of-feigning-instruments-used-with-linguistically-ethnically-and-culturally-diverse-samples
#16
Alicia Nijdam-Jones, Barry Rosenfeld
The cross-cultural validity of feigning instruments and cut-scores is a critical concern for forensic mental health clinicians. This systematic review evaluated feigning classification accuracy and effect sizes across instruments and languages by summarizing 45 published peer-reviewed articles and unpublished doctoral dissertations conducted in Europe, Asia, and North America using linguistically, ethnically, and culturally diverse samples. The most common psychiatric symptom measures used with linguistically, ethnically, and culturally diverse samples included the Structured Inventory of Malingered Symptomatology, the Miller Forensic Assessment of Symptoms Test, and the Minnesota Multiphasic Personality Inventory (MMPI)...
January 12, 2017: Psychological Assessment
https://www.readbyqxmd.com/read/28080046/application-of-2-aminothiazoline-4-carboxylic-acid-as-a-forensic-marker-of-cyanide-exposure
#17
Monika Rużycka, Joanna Giebułtowicz, Marcin Fudalej, Paweł Krajewski, Piotr Wroczyński
Cyanides are infamous for their highly poisonous properties. Accidental cyanide poisoning occurs frequently, but occasionally, intentional poisonings also occur. Inhalation of fumes generated by fire may also cause cyanide poisoning. There are many limitations in direct analysis of cyanide. 2-Aminothiazoline-4-carboxylic acid (ATCA), a cyanide metabolite, seems to be the only surrogate that is being used in the detection of cyanide because of its stability and its cyanide-dependent quality in biological matrix...
January 12, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28079674/borderline-intellectual-functioning-an-update
#18
Stephen Greenspan
PURPOSE OF REVIEW: Borderline intellectual functioning (BIF) is a descriptive v-code that is often used, especially in forensic settings, as if it were a full-fledged disorder. Various historical and other aspects of this classification are reviewed, and commentary is made on the question of whether to upgrade BIF to a regular psychiatric category, or to eliminate it by folding it into an already recently expanded category of intellectual developmental disorder (IDD). RECENT FINDINGS: Full-scale intelligence quotient (IQ) is an outmoded concept that is decreasingly being used...
January 12, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28078776/performance-of-the-forenseq-tm-dna-signature-prep-kit-on-highly-degraded-samples
#19
Paolo Fattorini, Carlo Previderé, Ilaria Carboni, Giorgio Marrubini, Solange Sorçaburu-Cigliero, Pierangela Grignani, Barbara Bertoglio, Paolo Vatta, Ugo Ricci
Next generation sequencing (NGS) is the emerging technology in forensic genomics laboratories. It offers higher resolution to address most problems of human identification, greater efficiency and potential ability to interrogate very challenging forensic casework samples. In the present study, a trial set of DNA samples was artificially degraded, by progressive aqueous hydrolysis, and analyzed together with the corresponding unmodified DNA sample and control sample 2800M, to test the performance and reliability of the ForenSeq(TM) DNA Signature Prep kit using the MiSeq Sequencer (Illumina)...
January 12, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28078446/detection-of-rage-expression-and-its-application-to-diabetic-wound-age-estimation
#20
Xin-Yi Ji, Yang Chen, Guang-Hua Ye, Miao-Wu Dong, Ke-Zhi Lin, Jun-Ge Han, Xiang-Ping Feng, Xing-Biao Li, Lin-Sheng Yu, Yan-Yan Fan
With the prevalence of diabetes, it is becoming important to analyze the diabetic wound age in forensic practice. The present study investigated the time-dependent expression of receptor for advanced glycation end products (RAGE) during diabetic wound healing in mice and its applicability to wound age determination by immunohistochemistry, double immunofluorescence, and Western blotting. After an incision was created in genetically diabetic db/db mice and control mice, mice were killed at posttraumatic intervals ranging from 6 h to 14 days, followed by the sampling of wound margin...
January 11, 2017: International Journal of Legal Medicine
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