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https://www.readbyqxmd.com/read/28748403/evaluation-of-innotyper%C3%A2-21-in-a-sample-of-rio-de-janeiro-population-as-an-alternative-forensic-panel
#1
R S Moura-Neto, I C T Mello, R Silva, A P C Maette, C G Bottino, A Woerner, J King, F Wendt, B Budowle
The use of bi-allelic markers such as retrotransposable element insertion polymorphisms or Innuls (for insertion/null) can overcome some limitations of short tandem repeat (STR) loci in typing forensic biological evidence. This study investigated the efficiency of the InnoTyper® 21 Innul markers in an urban admixed population sample in Rio de Janeiro (n = 40) and one highly compromised sample collected as evidence by the Rio de Janeiro police. No significant departures from Hardy-Weinberg equilibrium were detected after the Bonferroni correction (α' ≈ 0...
July 26, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28746793/easi-ims-an-expedite-and-secure-technique-to-screen-for-25i-nboh-in-blotter-papers
#2
Damila Rodrigues de Morais, Ingrid Lopes Barbosa, Kelly Francisco Cunha, Guilherme Lucas Tripodi, Célio Fernando Figueiredo Angolini, Marcos Fernando Franco, Elvis Medeiros de Aquino, Marcos Nogueira Eberlin, Jose Luiz Costa
The increasing number of new psychoactive substances (NPS) and their quick worldwide spreading, often only slightly modified in the form of new derivatives and analogues, have brought the need for fast, wide-ranging and unequivocal identification methods in clinical and forensic investigations. Since it usually provides secure results, gas chromatography coupled to mass spectrometry (GC-MS) has been routinely employed as the standard technique for the detection of NPS in blotter papers. For 25I-NBOH (N-(2-hydroxybenzyl)-2-(4-iodo-2,5-dimethoxyphenyl)ethan-1-aminium), however, GC-MS analysis of an blotter paper extract leads to incorrect results...
July 26, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28746047/genetic-variation-and-forensic-characteristic-analysis-of-25-strs-of-a-novel-fluorescence-co-amplification-system-in-chinese-southern-shaanxi-han-population
#3
Yao-Shun Liu, Jian-Gang Chen, Ting Mei, Yu-Xin Guo, Hao-Tian Meng, Jian-Fei Li, Yuan-Yuan Wei, Xiao-Ye Jin, Bo-Feng Zhu, Li-Ping Zhang
We analyzed the genetic polymorphisms of 15 autosomal and 10 Y-chromosomal STR loci in 214 individuals of Han population from Southern Shaanxi of China and studied the genetic relationships between Southern Shaanxi Han and other populations. We observed a total of 150 alleles at 15 autosomal STR loci with the corresponding allelic frequencies ranging from 0.0023 to 0.5210, and the combined power of discrimination and exclusion for the 15 autosomal STR loci were 0.99999999999999998866 and 0.999998491, respectively...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28745560/genetic-perspective-of-uniparental-mitochondrial-dna-landscape-on-the-punjabi-population-pakistan
#4
Shahzad Bhatti, Sana Abbas, Muhammad Aslamkhan, Marcella Attimonelli, Magali Segundo Trinidad, Hikmet Hakan Aydin, Erica Martinha Silva de Souza, Gerardo Rodriguez Gonzalez
To investigate the uniparental genetic structure of the Punjabi population from mtDNA aspect and to set up an appropriate mtDNA forensic database, we studied maternally unrelated Punjabi (N = 100) subjects from two caste groups (i.e. Arain and Gujar) belonging to territory of Punjab. The complete control region was elucidated by Sanger sequencing and the subsequent 58 different haplotypes were designated into appropriate haplogroups according to the most recently updated mtDNA phylogeny. We found a homogenous dispersal of Eurasian haplogroup uniformity among the Punjab Province and exhibited a strong connotation with the European populations...
July 26, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28745146/disorganized-attachment-in-infancy-a-review-of-the-phenomenon-and-its-implications-for-clinicians-and-policy-makers
#5
Pehr Granqvist, L Alan Sroufe, Mary Dozier, Erik Hesse, Miriam Steele, Marinus van Ijzendoorn, Judith Solomon, Carlo Schuengel, Pasco Fearon, Marian Bakermans-Kranenburg, Howard Steele, Jude Cassidy, Elizabeth Carlson, Sheri Madigan, Deborah Jacobvitz, Sarah Foster, Kazuko Behrens, Anne Rifkin-Graboi, Naomi Gribneau, Gottfried Spangler, Mary J Ward, Mary True, Susan Spieker, Sophie Reijman, Samantha Reisz, Anne Tharner, Frances Nkara, Ruth Goldwyn, June Sroufe, David Pederson, Deanne Pederson, Robert Weigand, Daniel Siegel, Nino Dazzi, Kristin Bernard, Peter Fonagy, Everett Waters, Sheree Toth, Dante Cicchetti, Charles H Zeanah, Karlen Lyons-Ruth, Mary Main, Robbie Duschinsky
Disorganized/Disoriented (D) attachment has seen widespread interest from policy makers, practitioners, and clinicians in recent years. However, some of this interest seems to have been based on some false assumptions that (1) attachment measures can be used as definitive assessments of the individual in forensic/child protection settings and that disorganized attachment (2) reliably indicates child maltreatment, (3) is a strong predictor of pathology, and (4) represents a fixed or static "trait" of the child, impervious to development or help...
July 26, 2017: Attachment & Human Development
https://www.readbyqxmd.com/read/28743408/analysis-of-concordance-between-conclusions-of-forensic-psychiatric-evaluation-and-court-decisions-after-2005-criminal-code-amendment-in-a-taiwan-psychiatric-hospital
#6
Tien-Wei Yang, Jeng-Ming Yu, Chun-Hung Pan
The aim of the study is to explore the relationships between results of forensic psychiatric evaluation on "mental status at the time of the offense (MSO)" and the final decision of the courts after the amendment of the Criminal Code in 2005. All criminal cases referred to Taipei City Psychiatric Center for MSO evaluation from July 1, 2006, to December 31, 2015, were reviewed, and only the completed trials were included. Concordance rates in each category of MSO conclusion and the court decision were analyzed and compared...
July 22, 2017: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/28743033/analysis-of-the-genetic-structure-of-the-malay-population-ancestry-informative-marker-snps-in-the-malay-of-peninsular-malaysia
#7
Padillah Yahya, Sarina Sulong, Azian Harun, Hatin Wan Isa, Nur-Shafawati Ab Rajab, Pongsakorn Wangkumhang, Alisa Wilantho, Chumpol Ngamphiw, Sissades Tongsima, Zilfalil Alwi
Malay, the main ethnic group in Peninsular Malaysia, is represented by various sub-ethnic groups such as Melayu Banjar, Melayu Bugis, Melayu Champa, Melayu Java, Melayu Kedah Melayu Kelantan, Melayu Minang and Melayu Patani. Using data retrieved from the MyHVP (Malaysian Human Variome Project) database, a total of 135 individuals from these sub-ethnic groups were profiled using the Affymetrix GeneChip Mapping Xba 50-K single nucleotide polymorphism (SNP) array to identify SNPs that were ancestry-informative markers (AIMs) for Malays of Peninsular Malaysia...
July 14, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28743032/straf-a-convenient-online-tool-for-str-data-evaluation-in-forensic-genetics
#8
Alexandre Gouy, Martin Zieger
Population data in forensic genetics has to be checked for a variety of statistical parameters before it can be employed for case work. A lot of very powerful statistical tools are available for this task, most of them developed by labs having their research focus on population genetics or evolution. However, most of these programs require a substantial amount of experience. In addition, to our knowledge, none of the freely available programs calculates all the common parameters for a population study in forensic genetics at once, based on a single input file...
July 15, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28742485/a-new-morphological-trait-in-forensic-identification-middle-phalangeal-hair-mph
#9
Kewal Krishan, Tanuj Kanchan
Middle phalangeal hairs (MPH) are present on the dorsal aspect of the middle phalange of the fingers except for the thumb. The MPH have been of interest to anthropologists, human biologists, clinicians, geneticists and anatomists in the past as a morphological trait of the human body. The anthropological value of MPH is well established in studying population variations, with implications for age, ancestry and sex differences. We are of the opinion that MPH may be used significantly for forensic identification purposes along with other morphological characteristics of the human body...
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28741393/psychometric-properties-in-forensic-application-of-the-screening-version-of-the-psychopathy-checklist
#10
Tamsin Higgs, Ruth J Tully, Kevin D Browne
The Psychopathy Checklist: Screening Version (PCL: SV) is a short form of the Psychopathy Checklist-Revised (PCL-R), an expert-rated assessment that measures psychopathic personality traits in research, clinical, and community settings. The PCL-R is an extensively relied upon tool in psycho-legal contexts. The screening version is also widely used; however, it has received far less empirical attention than the PCL-R. This review examines the psychometric properties of the PCL: SV, specifically in relation to forensic samples, and evaluates its comparability with the full PCL-R...
July 1, 2017: International Journal of Offender Therapy and Comparative Criminology
https://www.readbyqxmd.com/read/28740128/updating-the-list-of-known-opioids-through-identification-and-characterization-of-the-new-opioid-derivative-3-4-dichloro-n-2-diethylamino-cyclohexyl-n-methylbenzamide-u-49900
#11
D Fabregat-Safont, X Carbón, M Ventura, I Fornís, E Guillamón, J V Sancho, F Hernández, M Ibáñez
New psychoactive substances have been rapidly growing in popularity in the drug market as non-illegal drugs. In the last few years, an increment has been reported on the use of synthetic alternatives to heroin, the synthetic opioids. Based on the information provided by the European Monitoring Centre for Drug and Drug Addiction, these synthetic opioids have been related to overdoses and deaths in Europe and North America. One of these opioids is the U-47700. A few months ago, U-47700 was scheduled in the U...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28739658/benchmarking-relatedness-inference-methods-with-genome-wide-data-from-thousands-of-relatives
#12
Monica D Ramstetter, Thomas Dyer, Donna M Lehman, Joanne E Curran, Ravindranath Duggirala, John Blangero, Jason G Mezey, Amy L Williams
Inferring relatedness from genomic data is an essential component of genetic association studies, population genetics, forensics, and genealogy. While numerous methods exist for inferring relatedness, thorough evaluation of these approaches in real data has been lacking. Here, we report an assessment of 12 state-of-the-art pairwise relatedness inference methods using a dataset with 2,485 individuals contained in several large pedigrees that span up to six generations. We find that all methods have high accuracy (~92% - 99%) when detecting first and second degree relationships, but their accuracy dwindles to less than 43% for seventh degree relationships...
July 24, 2017: Genetics
https://www.readbyqxmd.com/read/28739620/a-rare-case-of-fatal-meningoencephalitis-with-septic-thromboembolism-due-to-otitis-media-a-forensic-case-and-review-of-literature
#13
Isabella Aquila, Santo Gratteri, Matteo Antonio Sacco, Pietrantonio Ricci
No abstract text is available yet for this article.
July 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28738663/statistical-approach-for-atr-ftir-screening-of-semen-in-sexual-evidence
#14
Inês Gregório, Félix Zapata, Mercedes Torre, Carmen García-Ruiz
Genetic identification has revolutionized the Forensic Sciences, especially in sexual aggression cases. For the successful extraction of the genetic information of a criminal, a crucial step is the prior detection of bodily fluids on evidence. In this article, a method for non-destructive screening of semen samples is reported. Using chemometric tools, bodily fluids can be detected and differentiated without damaging the sample, by correlating the infrared spectra of sexual evidence with previously recorded spectra from undamaged stains of individual bodily fluids...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738640/new-insights-in-forensic-chemistry-nir-chemometrics-analysis-of-toners-for-questioned-documents-examination
#15
Stefano Materazzi, Roberta Risoluti, Sara Pinci, Francesco Saverio Romolo
Near-Infrared spectroscopy (NIRs) coupled to chemometrics was investigated for the first time as a new tool for the analysis of black toners to evaluate its application in forensic cases. Ten black toners from four manufacturers were included in this study and the acquired spectra were compared in order to differentiate toners. Multivariate statistical analysis based on Principal Component Analysis (PCA) was considered to develop a model of comparison of toners in questioned documents. Results demonstrated the capabilities of the approach NIR/Chemometrics to correctly identify toners when printed on different papers and to be not affected by the printing process...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738632/raman-hyperspectral-imaging-in-conjunction-with-independent-component-analysis-as-a-forensic-tool-for-explosive-analysis-the-case-of-an-atm-explosion
#16
Mariana Ramos Almeida, Lucio Paulo Lima Logrado, Jorge Jardim Zacca, Deleon Nascimento Correa, Ronei Jesus Poppi
In this work, Raman hyperspectral imaging, in conjunction with independent component analysis, was employed as an analytical methodology to detect an ammonium nitrate fuel oil (ANFO) explosive in banknotes after an ATM explosion experiment. The proposed methodology allows for the identification of the ANFO explosive without sample preparation or destroying the sample, at quantities as small as 70μgcm(-2). The explosive was identified following ICA data decomposition by the characteristic nitrate band at 1044cm(-1)...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738591/procedures-for-precise-measurements-of-135-cs-137-cs-atom-ratios-in-environmental-samples-at-extreme-dynamic-ranges-and-ultra-trace-levels-by-thermal-ionization-mass-spectrometry
#17
James A Dunne, David A Richards, Hsin-Wei Chen
Determination of (135)Cs/(137)Cs atom ratios has the potential to be a powerful tool for nuclear forensics and monitoring environmental processes. We present optimized chemical separation techniques and thermal ionization mass spectrometry (TIMS) protocols to obtain precise (135)Cs/(137)Cs atom ratios for a range of environmental sample types. We use a combination of double AMP-PAN separation and Sr-spec resin column purification to yield excellent separation from the alkali metals (Rb separation factor > 600), which normally suppress ionization of Cs...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738558/elemental-source-attribution-signatures-for-calcium-ammonium-nitrate-can-fertilizers-used-in-homemade-explosives
#18
Carlos G Fraga, Alexander V Mitroshkov, Nikhil S Mirjankar, Brian P Dockendorff, Angie M Melville
Calcium ammonium nitrate (CAN) is a widely available fertilizer composed of ammonium nitrate (AN) mixed with some form of calcium carbonate such as limestone or dolomite. CAN is also frequently used to make homemade explosives. The potential of using elemental profiling and chemometrics to match both pristine and reprocessed CAN fertilizers to their factories of origin for use in future forensic investigations was examined. Inductively coupled plasma-mass spectrometry (ICP-MS) was used to determine the concentrations of 64 elements in 125 samples from 11 CAN stocks from 6 different CAN factories...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738509/ambient-sediment-quality-conditions-in-minnesota-lakes-usa-effects-of-watershed-parameters-and-aquatic-health-implications
#19
Judy L Crane
Surficial sediments were collected from 50 randomly selected Minnesota lakes, plus four a priori reference lakes, in 2007. The lakes encompassed broad geographic coverage of the state and included a variety of major land uses in the surrounding watersheds. Sediment samples were analyzed for a suite of metals, metalloids, persistent organic pollutants, total organic carbon, and particle size fractions. In addition, a small fish survey was conducted to assess PBDEs in both whole fish and fish tissues. Sediment quality in this set of lakes ranged from good (43%) to moderate (57%) based on an integrative measure of multiple contaminants...
July 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28737525/death-by-snow-a-fatal-forensic-case-of-cocaine-leakage-in-a-drug-mule-on-postmortem-computed-and-magnetic-resonance-tomography-compared-with-autopsy
#20
Patricia Mildred Flach, Dominic Gascho, René Fader, Rosita Martinez, Michael J Thali, Lars C Ebert
This forensic case presents unique postmortem imaging of a "drug mule" with fatal intoxication due to cocaine leakage on postmortem computed and magnetic resonance (MR) tomography compared with autopsy.Imaging by postmortem computed and MR tomography was performed before autopsy, histology, and toxicology were commissioned. Forensic imaging revealed 91 hyperdense, uniformly shaped body packs with signs of leakage, which was confirmed by autopsy. Postmortem MR imaging displayed the rarely described hypointense appearance of the body packs in T1- and T2-weighted sequences...
July 22, 2017: American Journal of Forensic Medicine and Pathology
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