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https://www.readbyqxmd.com/read/28645062/acute-and-chronic-alcohol-use-correlated-with-methods-of-suicide-in-a-swiss-national-sample
#1
P Pfeifer, C Bartsch, A Hemmer, T Reisch
OBJECTIVES: Chronic and acute alcohol use are highly associated risk factors for suicides worldwide. Therefore, we examined suicide cases with and without alcohol use disorder (AUD) using data from the SNSF project "Suicide in Switzerland: A detailed national survey". Our investigations focus on correlations between acute and chronic alcohol use with reference to suicide and potential interactions with the methods of suicide. METHODS: We used data from the SNSF project in which all cases of registered completed suicide in Switzerland reported to any of the seven Swiss institutes of legal and forensic medicine between 2000 and 2010 were collected...
June 16, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28639802/a-cross-cultural-analysis-of-the-test-of-memory-malingering-among-latin-american-spanish-speaking-adults
#2
Alicia Nijdam-Jones, Diego Rivera, Barry Rosenfeld, Juan Carlos Arango-Lasprilla
Cognitive efforts tests, such as the Test of Memory Malingering (TOMM; Tombaugh, 1997), are widely used internationally, yet there is a dearth of research that has assessed the utility of these measures in different cultures, countries, and languages. This study evaluated the specificity of the TOMM Trial 2 among a sample of 3,590 Spanish-speaking adults residing in 8 Latin American countries (Argentina, Bolivia, Chile, Colombia, Mexico, Paraguay, Peru, and Puerto Rico). Trial 2 TOMM scores were negatively associated with participants' age and positively associated with level of education...
June 22, 2017: Law and Human Behavior
https://www.readbyqxmd.com/read/28634679/establishment-of-two-forensic-medicine-osce-stations-on-the-subject-of-external-post-mortem-examination
#3
S Heide, R Lessig, V Hachmann, D Stiller, M Rönsch, D Stoevesandt, A Biolik, S Watzke, J Kellner
An improvement in quality of medical external post-mortem examinations among others can be achieved by more intensive training of medical students. Modern learning and teaching methods such as e-learning modules and SkillsLab stations should be used for this. The introduction of corresponding methods of assessment such as the OSCE procedure is necessary to test the success of learning. In Halle (Germany), two OSCE stations on the subject of external post-mortem examinations were introduced in 2016. The 'practical external post-mortem examination' station test skills and abilities students have learned during practical external post-mortem examination in small group classes on a simulation doll...
June 21, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28631395/a-univariate-approach-to-sex-estimation-for-the-fragmentary-upper-limb
#4
Rosanne Bongiovanni, Carrie B LeGarde
Although there are numerous reliable multivariate models for sex estimation, many scenarios, both forensic and archaeological, result in the recovery of fragmentary remains, which prevents the collection of various standard measurements. The purpose of this research was to establish metric applications for sex estimation from the distal humerus and distal radius of European/American Whites and American Blacks. Data for this research were retrieved from a sample consisting of a larger database from multiple skeletal collections...
June 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28631383/benford-s-law-for-quality-assurance-of-manner-of-death-counts-in-small-and-large-databases
#5
Jeremy Daniels, Samantha-Jo Caetano, Dirk Huyer, Andrew Stephen, John Fernandes, Alice Lytwyn, Fred M Hoppe
To assess if Benford's law, a mathematical law used for quality assurance in accounting, can be applied as a quality assurance measure for the manner of death determination. We examined a regional forensic pathology service's monthly manner of death counts (N = 2352) from 2011 to 2013, and provincial monthly and weekly death counts from 2009 to 2013 (N = 81,831). We tested whether each dataset's leading digit followed Benford's law via the chi-square test. For each database, we assessed whether number 1 was the most common leading digit...
June 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28629615/a-simple-method-to-compare-firing-pin-marks-using-stereomicroscope-and-microsoft-office-windows-8-tools
#6
R Suresh
Pertinent marks of fired cartridge cases such as firing pin, breech face, extractor, ejector, etc. are used for firearm identification. A non-standard semiautomatic pistol and four .22rim fire cartridges (head stamp KF) is used for known source comparison study. Two test fired cartridge cases are examined under stereomicroscope. The characteristic marks are captured by digital camera and comparative analysis of striation marks is done by using different tools available in the Microsoft word (Windows 8) of a computer system...
June 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28628900/evaluation-of-the-innotyper-%C3%A2-21-genotyping-kit-in-multi-ethnic-populations
#7
Peter Gustav Ristow, Nicole Barnes, Gina Pineda Murphy, Hiromi Brown, Kevin Wesley Cloete, Maria Eugenia D'Amato
We report the findings of the evaluation of the InnoTyper(®) 21 genotyping kit for the use of human identification (HID) and paternity testing in South Africa. This novel forensic kit evaluates 20 retrotransposable elements (AC4027, MLS26, ALU79712, NBC216, NBC106, RG148, NBC13, AC2265, MLS09, AC1141, TARBP, AC2305, HS4.69, NBC51, ACA1766, NBC120, NBC10, NBC102, SB19.12 and NBC148) and the Amelogenin locus for sex determination. The evaluation of the genotyping performance showed no significant spectral pull-up for peak heights between 100 and 30,000 RFUs...
June 7, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28628783/automatic-retrieval-of-shoeprint-images-using-blocked-sparse-representation
#8
Sayyad Alizadeh, Cemal Kose
Shoe marks are regarded as remarkable clues which can be usually detected in crime scenes where forensic experts use them for investigating crimes and identifying the criminals. Hence, developing a robust method for matching shoeprints with one another is of critical significance which can be used for recognizing criminals. In this paper, a promising method is proposed for retrieving shoe marks by means of developing blocking sparse representation technique. In the proposed method, the queried image was divided into two blocks...
June 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28621276/association-of-palatal-rugae-pattern-in-gender-identification-an-exploratory-study
#9
Nitin Gautam, Suneel G Patil, R Gopi Krishna, Hemalatha Agastya, Lubna Mushtaq, K Vijay Kumar
AIM: The present study's aim was to assess the pattern of palatine ridges/rugae to identify gender. MATERIALS AND METHODS: This study consists of a total of 50 participants (25 males and 25 females). Participants of the age range of 20 to 50 years were selected from the outpatient department. According to the shape and size of the patient's arches, maxillary impression trays were selected using alginate, and casts were poured subsequently. With the help of a sharp graphite pencil, the palatine ridges were delineated to make it prominent, and on either side of the midline, the number of rugae was counted and the length measured...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28617835/autopsy-rates-in-the-netherlands-35-years-of-decline
#10
Britt M Blokker, Annick C Weustink, M G Myriam Hunink, J Wolter Oosterhuis
OBJECTIVE: Although the autopsy still is a valuable tool in health statistics, health care quality control, medical education, and biomedical research, autopsy rates have been declining worldwide. The aim of this study was to examine trends of overall, clinical and forensic autopsy rates among adults in the Netherlands over the last four decades, and trends per sex, age (groups), and hospital type. METHODS: We performed a retrospective study covering 35 years of Dutch national death counts (1977-2011), the number of in-hospital deceased patients, the number of deaths due to external causes, and the proportion of autopsies performed in these populations...
2017: PloS One
https://www.readbyqxmd.com/read/28613039/sex-estimation-standards-for-medieval-and-contemporary-croats
#11
Željana Bašić, Ivana Kružić, Ivan Jerković, Deny Anđelinović, Šimun Anđelinović
AIM: To develop discriminant functions for sex estimation on medieval Croatian population and test their application on contemporary Croatian population. METHODS: From a total of 519 skeletons, we chose 84 adult excellently preserved skeletons free of antemortem or postmortem changes and took all standard measurements. Sex was estimated/determined using standard anthropological procedures and ancient DNA (amelogenin analysis) where pelvis was insufficiently preserved or where sex morphological indicators were not consistent...
June 14, 2017: Croatian Medical Journal
https://www.readbyqxmd.com/read/28613037/results-of-a-collaborative-study-on-dna-identification-of-aged-bone-samples
#12
Daniel Vanek, Bruce Budowle, Jitka Dubska-Votrubova, Angie Ambers, Jan Frolik, Martin Pospisek, Ahmed Anwar Al Afeefi, Khalid Ismaeil Al Hosani, Marie Allen, Khudooma Saeed Al Naimi, Dina Al Salafi, Wafa Ali Rashid Al Tayyari, Wendy Arguetaa, Michel Bottinelli, Magdalena M Bus, Jan Cemper-Kiesslich, Olivier Cepil, Greet De Cock, Stijn Desmyter, Hamid El Amri, Hicham El Ossmani, Ruth Galdies, Sebastian Grün, Francois Guidet, Anna Hoefges, Cristian Bogdan Iancu, Petra Lotz, Alessandro Maresca, Marion Nagy, Jindrich Novotny, Hajar Rachid, Jessica Rothe, Marguerethe Stenersen, Mishel Stephenson, Alain Stevanovitch, Juliane Strien, Denilce R Sumita, Joanna Vella, Judith Zander
AIM: A collaborative exercise with several institutes was organized by the Forensic DNA Service (FDNAS) and the Institute of the Legal Medicine, 2nd Faculty of Medicine, Charles University in Prague, Czech Republic, with the aim to test performance of different laboratories carrying out DNA analysis of relatively old bone samples. METHODS: Eighteen laboratories participating in the collaborative exercise were asked to perform DNA typing of two samples of bone powder...
June 14, 2017: Croatian Medical Journal
https://www.readbyqxmd.com/read/28612898/sex-estimation-by-femur-in-modern-thai-population
#13
T Monum, S Prasitwattanseree, S Das, P Siriphimolwat, P Mahakkanukrauh
Sex estimation is an important step of postmortem investigation and the femur is a useful bone for sex estimation by using metric analysis method. Even though there have been a reported sex estimation method by using femur in Thais, the temporal change related to time and anthropological data need to be renewed. Thus the aim of this study is to re-evaluate sex estimation by femur in Thais. 97 adult male and 103 female femora were random chosen from Forensic osteology research center and 6 measurements were applied tend to...
May 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28608845/the-effects-of-the-refugee-crisis-on-age-estimation-analysis-over-the-past-10-years-a-16-country-survey
#14
Leanne Sykes, Ahmed Bhayat, Herman Bernitz
Dental age estimation (AE) tests are routinely done on living and deceased persons. There is anecdotal evidence suggesting an increase in age estimations due to the refugee crisis. Our aim is to determine the reasons and methods for performing dental AE tests in both living and deceased individuals. Global trends in AE over the past 10 years were also investigated. A database of all forensic laboratories was obtained and an electronic questionnaire was sent to all of them. The questionnaire was self-developed and included questions on the reasons for performing AE tests, the preferred methods used in living and deceased individuals, and the people/organizations who requested these AE tests...
June 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28608145/laundry-in-a-washing-machine-as-a-mediator-of-secondary-and-tertiary-dna-transfer
#15
Lev Voskoboinik, Merav Amiel, Ayeleth Reshef, Ron Gafny, Mark Barash
The aim of this work was to investigate the possibility of secondary and tertiary DNA transfer during laundry. The modes of transfer tested were mixed and separate laundry of worn and unworn garments in household and public washing machines. In addition, the possibility of a background DNA carry-over from a washing machine's drum was investigated. In the mixed (worn and unworn garments washed together) laundry experiment, 22% of samples from new unworn socks with no traceable DNA prior to experiment produced DNA profiles post-laundry...
June 12, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28605650/body-fluid-prediction-from-microbial-patterns-for-forensic-application
#16
Eirik Nataas Hanssen, Ekaterina Avershina, Knut Rudi, Peter Gill, Lars Snipen
The association of a DNA profile with a certain body fluid can be of essential importance in the evaluation of biological evidence. Several alternative methods for body fluid prediction have been proposed to improve the currently used presumptive tests. Most of them measure gene expression. Here we present a novel approach based on microbial taxonomic profiles obtained by standard 16S rRNA gene sequencing. We used saliva deposited on skin as a forensically relevant study model, but the same principle can be applied for predicting other bacteria rich body fluids...
June 1, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28605649/direct-str-typing-from-presumptively-tested-and-untreated-body-fluids
#17
Phuvadol Thanakiatkrai, Krittika Raham, Jintana Pradutkanchana, Sujettana Sotthibandhu, Thitika Kitpipit
Body fluids provide key pieces of information for a forensic investigation. However, sometimes only a small amount of body fluids is found and/or DNA are also degraded by environmental factors at the crime scene. In extreme cases, a forensic analyst may have to decide whether to perform a presumptive test on the stains or proceed straightaway to DNA profiling, which could be wasteful for non-biological stains. Additionally, due to the inefficient DNA extraction process, the amount of DNA may not be enough for STR typing, especially if parts of the evidence had been subjected to presumptive testing...
June 6, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28604832/insects-and-associated-arthropods-analyzed-during-medicolegal-death-investigations-in-harris-county-texas-usa-january-2013-april-2016
#18
Michelle R Sanford
The application of insect and arthropod information to medicolegal death investigations is one of the more exacting applications of entomology. Historically limited to homicide investigations, the integration of full time forensic entomology services to the medical examiner's office in Harris County has opened up the opportunity to apply entomology to a wide variety of manner of death classifications and types of scenes to make observations on a number of different geographical and species-level trends in Harris County, Texas, USA...
2017: PloS One
https://www.readbyqxmd.com/read/28600869/follow-up-on-the-characterization-of-peptidic-markers-in-hair-and-fur-for-the-identification-of-common-north-american-species
#19
Caroline Solazzo
RATIONALE: Species identification of hair is routinely done by microscopic analysis. Following previous studies that used protein analysis to characterize species markers in hair and wool, the present work aims at covering a larger number of species and to ultimately offer a method for rapid hair identification in forensics and archaeology. METHODS: Hair is mostly made of alpha-keratins; these proteins have only been sequenced in a handful of species and most animal families are under-represented...
June 10, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28600257/search-for-more-effective-microsatellite-markers-for-forensics-with-next-generation-sequencing
#20
Bowen Tan, Zicheng Zhao, Zhe Zhang, Shengbin Li, Shuai Cheng Li
Published by the Combined DNA Index System (CODIS) program of the Federal Bureau of Investigation (FBI) in 1997, the 13 core short tandem repeat (STR) loci are widely adopted as genetic markers in forensic applications, e.g., identity testing and paternity testing. However, these loci may be biased and suffer from reduced sensitivities towards specific population groups. In addition, the rapid growth of entries in forensic databases raises the chance of random hits, which can cause false recognitions of criminal suspects...
June 7, 2017: IEEE Transactions on Nanobioscience
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