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https://www.readbyqxmd.com/read/28651176/forensic-applications-of-direct-analysis-in-real-time-dart-coupled-to-q-orbitrap-tandem-mass-spectrometry-for-the-in-situ-analysis-of-pigments-from-paint-evidence
#1
Tai-Hung Chen, Shu-Pao Wu
The accurate examination of paint fragments obtained from an accident, such as those obtained from vehicles involved in a hit-and-run case, is often critical in forensic investigations. However, organic pigments are typically minor components of automotive coatings, which makes discrimination difficult. In this study, direct analysis in real time coupled to Q-orbitrap tandem mass spectrometry (DART-MS) was employed to detect a wide range of common organic pigments in vehicle paints. Twelve common organic pigments used in vehicle paints, such as red, yellow, orange, and purple, were tested, and a database was constructed for future examinations of vehicle paint...
June 9, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28651097/population-and-performance-analyses-of-four-major-populations-with-illumina-s-fgx-forensic-genomics-system
#2
Jennifer D Churchill, Nicole M M Novroski, Jonathan L King, Lay Hong Seah, Bruce Budowle
The MiSeq FGx Forensic Genomics System (Illumina) enables amplification and massively parallel sequencing of 59 STRs, 94 identity informative SNPs, 54 ancestry informative SNPs, and 24 phenotypic informative SNPs. Allele frequency and population statistics data were generated for the 172 SNP loci included in this panel on four major population groups (Chinese, African Americans, US Caucasians, and Southwest Hispanics). Single-locus and combined random match probability values were generated for the identity informative SNPs...
June 17, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28649351/new-insights-into-the-genetic-composition-and-phylogenetic-relationship-of-wolves-and-dogs-in-the-iberian-peninsula
#3
Ana Elisabete Pires, Isabel R Amorim, Carla Borges, Fernanda Simões, Tatiana Teixeira, Andreia Quaresma, Francisco Petrucci-Fonseca, José Matos
This study investigates the gene pool of Portuguese autochthonous dog breeds and their wild counterpart, the Iberian wolf subspecies (Canis lupus signatus), using standard molecular markers. A combination of paternal and maternal molecular markers was used to investigate the genetic composition, genetic differentiation and genetic relationship of native Portuguese dogs and the Iberian wolf. A total of 196 unrelated dogs, including breed and village dogs from Portugal, and other dogs from Spain and North Africa, and 56 Iberian wolves (wild and captive) were analyzed for nuclear markers, namely Y chromosome SNPs, Y chromosome STR loci, autosomal STR loci, and a mitochondrial fragment of the control region I...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28648968/comparison-of-unbiased-stereological-estimation-of-total-number-of-cresyl-violet-stained-neurons-and-parvalbumin-positive-neurons-in-the-adult-human-spiral-ganglion
#4
C Kaur, I Pal, S Saini, T G Jacob, T C Nag, A Thakar, D N Bhardwaj, T S Roy
Estimation of total number of neurons in the Spiral Ganglion (SG) at various ages and their functional status is important as these neurons are constantly exposed to noise and other environmental factors that may lead to neuronal loss with aging due to excitotoxic damage. Parvalbumin (PV) is a calcium-binding protein (CBP), found in highly metabolically active neurons. It helps in buffering cytosolic calcium, which is essential for neurotransmitter release. The neurons in the adult human SG express PV more strongly than other CBPs like calbindin and calretinin...
June 22, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28648763/technical-note-intra-alveolar-morphology-assessed-in-empty-dental-sockets-of-teeth-missing-post-mortem
#5
Lucas Raineri Capeletti, Ademir Franco, Rogério Vieira Reges, Rhonan Ferreira Silva
Dental human identification relies on distinctive traits detected and compared between ante-mortem (AM) and post-mortem (PM) data. Several distinctive traits may be found in dental roots, such as dilacerations and bifurcations. However, teeth are often dislodged during the manipulation of skeletal remains, charred bodies and bodies retrieved from water. In these situations the identification process is hampered. The present study aims to retrieve information of teeth missing PM through the investigation of intra-alveolar morphology in empty dental sockets using different dental impression materials...
June 15, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28648762/repetitive-deliberate-fires-development-and-validation-of-a-methodology-to-detect-series
#6
Eva Bruenisholz, Olivier Delémont, Olivier Ribaux, Linzi Wilson-Wilde
The detection of repetitive deliberate fire events is challenging and still often ineffective due to a case-by-case approach. A previous study provided a critical review of the situation and analysis of the main challenges. This study suggested that the intelligence process, integrating forensic data, could be a valid framework to provide a follow-up and systematic analysis provided it is adapted to the specificities of repetitive deliberate fires. In this current manuscript, a specific methodology to detect deliberate fires series, i...
June 16, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28648761/improved-jpeg-anti-forensics-with-better-image-visual-quality-and-forensic-undetectability
#7
Gurinder Singh, Kulbir Singh
There is an immediate need to validate the authenticity of digital images due to the availability of powerful image processing tools that can easily manipulate the digital image information without leaving any traces. The digital image forensics most often employs the tampering detectors based on JPEG compression. Therefore, to evaluate the competency of the JPEG forensic detectors, an anti-forensic technique is required. In this paper, two improved JPEG anti-forensic techniques are proposed to remove the blocking artifacts left by the JPEG compression in both spatial and DCT domain...
June 10, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28646752/an-image-processing-methodology-for-extracting-bloodstain-pattern-features
#8
Ravishka M Arthur, Philomena J Humburg, Jerry Hoogenboom, Martin Baiker, Michael C Taylor, Karla G de Bruin
There is a growing trend in forensic science to develop methods to make forensic pattern comparison tasks more objective. This has generally involved the application of suitable image-processing methods to provide numerical data for identification or comparison. This paper outlines a unique image-processing methodology that can be utilised by analysts to generate reliable pattern data that will assist them in forming objective conclusions about a pattern. A range of features were defined and extracted from a laboratory-generated impact spatter pattern...
June 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28646733/walls-and-laws-structural-barriers-to-forensic-psychiatric-research
#9
EDITORIAL
G Meynen
No abstract text is available yet for this article.
May 15, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28645945/how-can-we-ensure-that-the-coroner-s-autopsy-is-not-an-invasion-of-human-rights
#10
Stephen Leadbeatter, Ryk James
BACKGROUND: Despite public inquiries, and some changes to legislation following high-profile multiple homicides that were not detected by autopsy, coroners continue to rely largely on the autopsy. Regardless of the extent of quality failings and excess deaths at some hospitals, not detected through the coroner system, the autopsy is scarcely used by hospitals to monitor standards and educate. OBJECTIVE: To explore when a compulsory medicolegal autopsy should, and should not, be used...
June 23, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28645082/local-populations-and-inaccuracies-determining-the-relevant-mitochondrial-haplotype-distributions-for-north-west-european-cats
#11
Monique Wesselink, Stijn Desmyter, Irene Kuiper
Typing of different portions of the feline mitochondrial control region has illustrated pronounced differences in haplotype distributions between cats from the Netherlands and other parts of the world. To gain a better understanding of the haplotype distribution of North West Continental Europe, 605bp of mitochondrial DNA was typed from randomly selected cats from the Netherlands (N=146), Belgium (N=64) and South West Germany (N=128). The genetic differences between these randomly sampled European populations correlate to the geographical distances, with the Dutch and the South West German populations furthest apart and the Belgian population as an intermediate (Fst values 0...
June 4, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28645062/acute-and-chronic-alcohol-use-correlated-with-methods-of-suicide-in-a-swiss-national-sample
#12
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/28645056/serious-delinquency-and-later-schizophrenia-a-nationwide-register-based-follow-up-study-of-finnish-pretrial-15-to-19-year-old-offenders-sent-for-a-forensic-psychiatric-examination
#13
N Lindberg, J Miettunen, A Heiskala, R Kaltiala-Heino
BACKGROUND: Aggressive and disruptive behaviors often precede the onset of schizophrenia. In this register-based follow-up study with a case-control design, we wanted to investigate if serious delinquency was associated with future diagnoses of schizophrenia or schizoaffective disorder (here, broadly defined schizophrenia) among a nationwide consecutive sample of 15- to 19-year-old Finnish delinquents sent for a forensic psychiatric examination in 1989-2010. METHODS: The sample comprised 313 delinquents with no past or current psychotic disorder...
May 15, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28644427/mental-diseases-and-criminal-offences-committed-by-persons-placed-at-the-forensic-department-of-the-penitentiary-in-zenica-federation-of-bosnia-and-herzegovina
#14
Edin Bjelošević, Adisa Krehmić, Halima Hadžikapetanović, Sanel Čoralić, Sonja Bjelošević
Aim To investigate an impact of various biological, psychological and social factors on perpetration of criminal offences by persons with mental disorders and to examine legal requirements for placement of persons with mental disorders, who committed criminal offences. Methods This retrospective, descriptive study based on the analysis of data collected from records of the Zenica Penitentiary, Forensic Department (age, qualifications, employment status, marital status, mental disorders, information related to earlier treatments, type of committed criminal offense, duration of the security measure of mandatory psychiatric treatment and custody) included 154 examinees...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28643480/microbiome-yarns-microbial-forensics-for-auditing-provenance-in-global-food-chains
#15
EDITORIAL
Kenneth Timmis, Franziska Jebok, Romilio T Espejo
No abstract text is available yet for this article.
July 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28643398/multiple-symmetric-lipomatosis
#16
Samuel P Prahlow, Patrick Kosciuk, Joseph A Prahlow
A significant number of medicolegal deaths involve ethanol. Deaths may be related to the acute, intoxicating effects of ethanol, either in decedents or within persons responsible for causing the deaths of others. Additionally, deaths may be related to chronic alcoholism. A chronic alcoholic may display characteristic external features which allow an observer, such as a forensic pathologist or other physician, to conclude that he/she is probably an alcoholic. Herein, the authors report two decedents with a rare condition known as "multiple symmetric lipomatosis" (MSL), which has a strong correlation with chronic alcoholism...
June 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28643049/clozapine-in-reducing-aggression-and-violence-in-forensic-populations
#17
REVIEW
Kathleen Patchan, Gopal Vyas, Ann L Hackman, Marie Mackowick, Charles M Richardson, Raymond C Love, Ikwunga Wonodi, MacKenzie A Sayer, Matthew Glassman, Stephanie Feldman, Deanna L Kelly
Popular media often portray people with a mental illness as being aggressive, violent, and incarcerated as a result of their behavior. Despite exaggeration in the media, risks for some aggressive behaviors are in fact higher in individuals with schizophrenia. This is often the case with influence of comorbid substance use disorders. It is essential that mental health professionals are aware of treatments that may help with attenuating and treating behaviors that contribute to violence, aggression and incarceration...
June 22, 2017: Psychiatric Quarterly
https://www.readbyqxmd.com/read/28641537/lsd-detection-and-interpretation-in-hair
#18
Camille Richeval, Delphine Allorge, X Vanhoye, Jean-Michel Gaulier
Lysergic acid diethylamide (LSD) is a powerful hallucinogen, active at very low dosages, with, as a direct consequence, potential difficulties to be detected and quantified in a clinical or forensic context, in body fluids and even more in hair. The aim of this work is to review literature data related to hair analysis of LSD with a particular focus on the main issues encountered in LSD detection in hair. Results of LSD investigation in hair remain difficult to interpret regarding the very sparse data available on LSD concentrations in hair (n=10)...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28641536/overview-of-forensic-toxicology-yesterday-today-and-in-the-future
#19
Heesun Chung, Sanggil Choe
BACKGROUND: The scope of forensic toxicology has been tremendously expanded over the past 50 years. From two general sections forensic toxicology can be further classified into 8-9 sections. METHODS: The most outstanding improvement in forensic toxicology is the changes brought by instrumental development. The field of forensic toxicology was revolutionized by the development of immunoassay and bench-top GC-MS in the 1980's and LC-MS-MS in 2000's. Detection of trace amounts of analytes has allowed the use of new specimens such as hair and oral fluids, along with blood and urine...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28641530/method-development-in-forensic-toxicology
#20
Frank T Peters, Dirk K Wissenbach, Francesco Paolo Busardò, Emilia Marchei, Simona Pichini
BACKGROUND: In the field of forensic toxicology, the quality of analytical methods is of great importance to ensure the reliability of results and to avoid unjustified legal consequences. A key to high quality analytical methods is a thorough method development. METHODS: The presented article will provide an overview on the process of developing methods for forensic applications. RESULTS: This includes the definition of the method's purpose (e...
June 22, 2017: Current Pharmaceutical Design
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