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https://www.readbyqxmd.com/read/29778051/assessing-psychopathy-in-forensic-schizophrenia-spectrum-disorders-validating-the-comprehensive-assessment-of-the-psychopathic-personality-institutional-rating-scale-capp-irs
#1
Louis De Page, Sophie Mercenier, Pierre Titeca
The assessment of psychopathy in (forensic) schizophrenia spectrum disorders is long-standing debate. In the present study, we investigated the psychometric properties of the Comprehensive Assessment of Psychopathic Personality-Institutional Rating Scale (CAPP-IRS) in a sample of 72 male forensic patients with a primary diagnosis of schizophrenia spectrum disorders. We compared the CAPP-IRS' psychometric properties to those of the Psychopathy Checklist-Revised (PCL-R). The CAPP-IRS showed good interrater reliability and internal consistency except for the CAPP-IRS Cognition and Emotional Domains...
May 16, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29778046/evaluation-of-the-microhaplotypes-panel-for-dna-mixture-analyses
#2
Peng Chen, Caiyong Yin, Zheng Li, Yan Pu, Youjia Yu, Peng Zhao, Dexin Chen, Weibo Liang, Lin Zhang, Feng Chen
The identification of a suspect in a DNA mixture typed with the standard short tandem repeat polymorphism (STR) kits has faced challenges. Several improved methods or technologies have been introduced to address this issue. However, some complex situations in the process remain elusive. In the present study, we presented a panel of 26 tiny microhaplotypes, each generating a relatively high (>3.0) effective number of alleles (Ae ) and possessing low (<50 bp) sequence lengths. The average Ae and heterozygosity values among the 9 populations of 26 microhaps were in ranges from 2...
May 12, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29778045/massively-parallel-sequencing-of-124-snps-included-in-the-precision-id-identity-panel-in-three-east-asian-minority-ethnicities
#3
Jing Liu, Zheng Wang, Guanglin He, Xueying Zhao, Mengge Wang, Tao Luo, Chengtao Li, Yiping Hou
Massively parallel sequencing (MPS) technologies can sequence many targeted regions of multiple samples simultaneously and are gaining great interest in the forensic community. The Precision ID Identity Panel contains 90 autosomal SNPs and 34 upper Y-Clade SNPs, which was designed with small amplicons and optimized for forensic degraded or challenging samples. Here, 184 unrelated individuals from three East Asian minority ethnicities (Tibetan, Uygur and Hui) were analyzed using the Precision ID Identity Panel and the Ion PGM System...
May 15, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29777982/documentation-and-analysis-of-traumatic-injuries-in-clinical-forensic-medicine-involving-structured-light-three-dimensional-surface-scanning-versus-photography
#4
Awatif Shamata, Tim Thompson
Non-contact three-dimensional (3D) surface scanning has been applied in forensic medicine and has been shown to mitigate shortcoming of traditional documentation methods. The aim of this paper is to assess the efficiency of structured light 3D surface scanning in recording traumatic injuries of live cases in clinical forensic medicine. The work was conducted in Medico-Legal Centre in Benghazi, Libya. A structured light 3D surface scanner and ordinary digital camera with close-up lens were used to record the injuries and to have 3D and two-dimensional (2D) documents of the same traumas...
May 10, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29777981/bare-footprint-metric-analysis-methods-for-comparison-and-identification-in-forensic-examinations-a-review-of-literature
#5
REVIEW
Richa Mukhra, Kewal Krishan, Tanuj Kanchan
Footprint is one of the most common types of physical evidence recovered at a crime scene. The forensic footprint evidence may play an important role in establishing the identity of a person; therefore, its examination is of prime importance. A link may be established by observing and comparing the morphological features of footprints with the perpetrator. These barefoot prints may be present as a two-dimensional print or a three-dimensional imprint depending on the substrate upon which they have been impressed upon and accordingly different methods and techniques are implemented in order to identify the questioned prints...
May 9, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29777949/evaluation-of-skin-or-sweat-characteristic-mrnas-for-inferring-the-human-origin-of-touched-contact-traces
#6
Tomoko Akutsu, Ken Watanabe, Ayari Takamura, Koichi Sakurada
The source of small amounts of touch DNA, which is transferred from the skin to an object when it is handled or touched, could be an issue in the forensic analysis of criminal cases. Here, we performed an extended evaluation of skin- or sweat-characteristic mRNAs to investigate their usability to infer whether an object has been handled or touched by someone. First, we compared the expression levels of candidate genes between skin swabs and other body fluids by quantitative RT-PCR analysis. Among the analyzed genes, corneodesmosin (CDSN), late cornified envelope 1C (LCE1C), filaggrin (FLG), desmocollin 1, and dermcidin were selected for further analysis on the basis of their specificities and sensitivities...
May 14, 2018: Legal Medicine
https://www.readbyqxmd.com/read/29777946/screening-method-for-rapid-classification-of-psychoactive-substances-in-illicit-tablets-using-mid-infrared-spectroscopy-and-pls-da
#7
Leandro S A Pereira, Fernanda L C Lisboa, José Coelho Neto, Frederico N Valladão, Marcelo M Sena
Several new psychoactive substances (NPS) have reached the illegal drug market in recent years, and ecstasy-like tablets are one of the forms affected by this change. Cathinones and tryptamines have increasingly been found in ecstasy-like seized samples as well as other amphetamine type stimulants. A presumptive method for identifying different drugs in seized ecstasy tablets (n=92) using ATR-FTIR (attenuated total reflectance - Fourier transform infrared spectroscopy) and PLS-DA (partial least squares discriminant analysis) was developed...
May 9, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29777832/novel-cysteine-and-albumin-adduct-biomarkers-to-prove-human-poisoning-with-the-pesticide-oxydemeton-s-methyl
#8
Harald John, Markus Siegert, Florian Eyer, Franz Worek, Horst Thiermann, Andreas Kranawetvogl
We herein report on the forensic analysis of plasma samples to prove human poisoning with oxydemeton-S-methyl (ODM), S-(2-(ethylsulfinyl)ethyl)-O,O-dimethyl phosphorothioate. This organophosphorus pesticide is the active ingredient of Metasystox® , that was swallowed by a 77-year-old woman to commit suicide. ODM belongs to the class of dimethyl phosphoryl (DMP) pesticides, contains a 2-(ethylsulfinyl)ethanethiol (ESOET) leaving group and undergoes adduct formation with endogenous molecules as elaborated herein with human serum exposed to pesticides in vitro...
May 16, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29777425/the-use-of-hiv-post-exposure-prophylaxis-in-forensic-medicine-following-incidents-of-sexual-violence-in-hamburg-germany-a-retrospective-study
#9
Julia Ebert, Jan Peter Sperhake, Olaf Degen, Ann Sophie Schröder
In Hamburg, Germany, the initiation of HIV post-exposure prophylaxis (HIV PEP) in cases of sexual violence is often carried out by forensic medical specialists (FMS) using the city's unique Hamburg Model. FMS-provided three-day HIV PEP starter packs include a combination of raltegravir and emtricitabine/tenofovir. This study aimed to investigate the practice of offering HIV PEP, reasons for discontinuing treatment, patient compliance, and whether or not potential perpetrators were tested for HIV. We conducted a retrospective study of forensic clinical examinations carried out by the Hamburg Department of Legal Medicine following incidents of sexual violence from 2009 to 2016...
May 18, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29775922/acid-phosphatase-test-on-phadebas-%C3%A2-sheets-an-optimized-method-for-presumptive-saliva-and-semen-detection
#10
Yael Herman, Ilan Feine, Ron Gafny
The precise and efficient detection of semen and saliva in sexual assault case-work items is a critical step in the forensic pipeline. The outcome of this stage may have a profound impact on identifying perpetrators as well as on the investigation process and the final outcome in court. Semen detection is usually based on the activity of acid phosphatase (AP), an enzyme found in high concentration in the seminal plasma. Amylase, an enzyme catalyzing starch hydrolysis is found in high concentrations in saliva and therefore is a useful target for its detection...
April 30, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29775918/determining-gender-by-taking-measurements-from-magnetic-resonance-images-of-the-patella
#11
Hacer Yasar Teke, Özge Ünlütürk, Elif Günaydin, Semra Duran, Sait Özsoy
BACKGROUND: A key step in making a positive identification in forensic medicine is the establishment of a biological profile, which involves determining factors such as gender, age, ancestry, and stature. The goal of this study was to determine if gender could be established by taking various measurements of the patella taken from magnetic resonance imaging (MRI) images and analyzing the variations by gender. METHODS: The sample group consisted of 220 patients (110 male and 110 female) whose patella were measured using MRI images of their left knee...
May 8, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29775859/facilitating-complex-dna-mixture-interpretation-by-sequencing-highly-polymorphic-haplotypes
#12
Lev Voskoboinik, Uzi Motro, Ariel Darvasi
Interpretation of complex DNA mixtures is an ongoing challenge in the field of forensic genetics. Commonly used STR markers are quite polymorphic, enabling very high statistical association between a single source DNA profile from a crime scene and a matching suspect. STR typing of low order mixtures with two and three contributors also commonly produces high statistical association for a contributor, using current interpretation software. However higher order mixtures, with four contributors or more, are more challenging...
May 2, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29775169/outcry-consistency-and-prosecutorial-decisions-in-child-sexual-abuse-cases
#13
Tammy E Bracewell
This study examines the correlation between the consistency in a child's sexual abuse outcry and the prosecutorial decision to accept or reject cases of child sexual abuse. Case-specific information was obtained from one Texas Children's Advocacy Center on all cases from 2010 to 2013. After the needed deletion, the total number of cases included in the analysis was 309. An outcry was defined as a sexual abuse disclosure. Consistency was measured at both the forensic interview and the sexual assault exam. Logistic regression was used to evaluate whether a correlation existed between disclosure and prosecutorial decisions...
May 18, 2018: Journal of Child Sexual Abuse
https://www.readbyqxmd.com/read/29772600/an-accurate-bacterial-dna-quantification-assay-for-hts-library-preparation-of-human-biological-samples
#14
Sarah Seashols-Williams, Raquel Green, Denise Wohlfahrt, Angela Brand, Antonio Limjuco Tan-Torres, Francy Nogales, J Paul Brooks, Baneshwar Singh
Sequencing and classification of microbial taxa within forensically relevant biological fluids has the potential for applications in the forensic science and biomedical fields. The quantity of bacterial DNA from human samples is currently estimated based on quantity of total DNA isolated. This method can miscalculate bacterial DNA quantity due to the mixed nature of the sample, and consequently library preparation is often unreliable. We developed an assay that can accurately and specifically quantify bacterial DNA within a mixed sample for reliable 16S ribosomal DNA (16S rDNA) library preparation and high throughput sequencing (HTS)...
May 17, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29772597/development-of-a-massively-parallel-sequencing-assay-for-investigating-sequence-polymorphisms-of-15-strs-in-a-chinese-northern-han-population
#15
Qing-Xia Zhang, Meng Yang, Ya-Jiao Pan, Jing Zhao, Bao-Wang Qu, Feng Cheng, Ya-Ran Yang, Zhang-Ping Jiao, Li Liu, Jiang-Wei Yan
Massively parallel sequencing (MPS) has been used in forensic genetics in recent years owing to several advantages, such as MPS can provide precise descriptions of the repeat allele structure and variation in the repeat-flanking regions, increasing the discriminating power among loci and individuals. However, it cannot be fully utilized unless sufficient population data is available for all loci. Thus, there is a pressing need to perform population studies providing a basis for the introduction of MPS into forensic practice...
May 17, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29772452/epidemiological-aspects-of-drowning-and-non-fatal-drowning-in-the-waters-of-amsterdam
#16
G Reijnen, M van de Westeringh, M C Buster, P J E Vos, U L J Reijnders
We examined who, when, and where people non-fatally drowned of drowned in Amsterdam between January 2011 and December 2015 so that in the future more targeted and effective measures can be taken to prevent drowning. Data on non fatal drownings (N = 515, fire department database) were combined with the forensic medicine data on drowning fatalities (N=88). Who drowns in Amsterdam? The majority of those who drowned were men (82%). A high percentage of the people who drowned were under the influence of alcohol or drugs (up to 55%)...
May 8, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29772072/the-forensic-confirmation-bias-a-comparison-between-experts-and-novices
#17
Claire A J van den Eeden, Christianne J de Poot, Peter J van Koppen
A large body of research has described the influence of context information on forensic decision-making. In this study, we examined the effect of context information on the search for and selection of traces by students (N = 36) and crime scene investigators (N = 58). Participants investigated an ambiguous mock crime scene and received prior information indicating suicide, a violent death or no information. Participants described their impression of the scene and wrote down which traces they wanted to secure...
May 17, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29772013/rapid-differentiation-of-epithelial-cell-types-in-aged-biological-samples-using-autofluorescence-and-morphological-signatures
#18
Emily R Brocato, M Katherine Philpott, Catherine C Connon, Christopher J Ehrhardt
Establishing the tissue source of epithelial cells within a biological sample is an important capability for forensic laboratories. In this study we used Imaging Flow Cytometry (IFC) to analyze individual cells recovered from buccal, epidermal, and vaginal samples that had been dried between 24 hours and more than eight weeks. Measurements capturing the size, shape, and fluorescent properties of cells were collected in an automated manner and then used to build a multivariate statistical framework for differentiating cells based on tissue type...
2018: PloS One
https://www.readbyqxmd.com/read/29771841/integrating-a-profile-of-frontal-face-with-its-mirror-image-for-facial-reconstruction
#19
Paramjit Kaur, Kewal Krishan, Suresh K Sharma, Tanuj Kanchan
INTRODUCTION AND OBJECTIVES: Face recognition plays an important role in the field of biometrics, bioinformatics, and forensic identification. Human faces appear bilaterally symmetric. However, asymmetry is a norm in the human body and careful morphological and metric examination of the human face gives an exact idea of the asymmetry present in the face of an individual. Most of the studies on asymmetry of human face have been carried out with regard to evaluation of expressions in psychology, anthropology, and biometrics...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771707/electrolytes-and-biochemical-changes-in-cerebrospinal-fluid-in-drowning-experimental-rabbit-model
#20
Melad G Paulis, Eman I Hasan
The diagnosis of drowning is still a difficult task in forensic science. Biochemical changes in different body fluids have been examined for the identification of drowning. However, none of them alone gives accurate results in the diagnosis of drowning and differentiation of saltwater and freshwater drowning. This study aimed to examine cerebrospinal fluid changes in drowned rabbits. Six groups of rabbits were used including immersed dead rabbits in freshwater or saltwater (as control groups), alive fully conscious rabbits drowned in freshwater and saltwater, and anesthetized rabbits drowned in freshwater and saltwater...
May 15, 2018: American Journal of Forensic Medicine and Pathology
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