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Legal Medicine

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https://www.readbyqxmd.com/read/28527385/pharmacokinetic-analyses-using-absorption-kinetics-in-low-alcohol-dose-cases-of-drunken-driving
#1
Ayako Himemiya-Hakucho, Tatsuya Fujimiya
In Japan, low-alcohol dose cases of drunken driving, where drivers drink just before getting behind the wheel, are increasing for expert witnesses since the penalties for drunken driving have become stricter. Widmark's equation has generally been used for the pharmacokinetic analysis of blood alcohol concentration, which encompasses the one-compartment model with zero-order elimination kinetics but ignores absorption kinetics. We therefore propose that the formula might not be applicable to the analysis of low-alcohol dose cases of drunken driving because the issue is focused on the absorption phase...
May 5, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28527983/when-a-death-apparently-associated-to-sexual-assault-is-instead-a-natural-death-due-to-idiopathic-hypereosinophilic-syndrome-the-importance-of-gamma-hydroxybutyric-acid-analysis-in-vitreous-humor
#2
Francesco Paolo Busardò, Francesca Portelli, Angelo Montana, Maria Concetta Rotolo, Simona Pichini, Emiliano Maresi
We here report a case involving a 21-year-old female, found dead in a central square of a city in the south of Italy. Initial evidences and circumstances were suggestive of a death associated with a sexual assault. Two peripheral blood and two vitreous humor samples were collected for the purpose of gamma-hydroxybutyric acid (GHB) testing from the dead body at two different post-mortem intervals (PMIs): approximately 2 (t0) and 36 (t1) hours. The obtained results showed that, between t0 and t1, there was an increase of GHB concentrations in peripheral blood and vitreous humor of 66...
April 11, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549555/forensic-applications-of-y-chromosomal-properties
#3
REVIEW
Khushbukhat Khan, Muhammad Hassan Siddiqi, Maryam Abbas, Maha Almas, Muhammad Idrees
No abstract text is available yet for this article.
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549554/a-report-of-novel-psychoactive-substances-in-forensic-autopsy-cases-and-a-review-of-fatal-cases-in-the-literature
#4
LETTER
Shin-Ichi Kubo, Brian Waters, Kenji Hara, Tatsushige Fukunaga, Kazuya Ikematsu
No abstract text is available yet for this article.
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549553/genetic-polymorphisms-of-12-x-str-loci-in-shaanxi-han-population-from-china
#5
Mao Sun, YunTao Zhang, XiaoNan Zhang, ShanMin Fu, YuanMing Wu
Allele frequencies for 12 X STR loci (DXS8378, DXS10159, DXS10162, DXS10164, DXS981, DXS6789, DXS7424, DXS101, DXS7133, GATA165B12, GATA31E08 and DXS7423) were obtained from a sample of 518 unrelated individuals from Shaanxi, China. We observed a total of 108 alleles in the group with the allelic frequency values ranging from less than 0.0014 to 0.6768. Our statistic analysis indicates that the 12 X STR conform to the Hardy-Weinberg's equilibrium. Heterozygosity among the studied 12 X STR loci showed a distribution of 42...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549552/haplotype-diversity-of-17-y-chromosome-str-loci-in-han-population-from-different-areas-of-sichuan-province-southwest-china
#6
Guangyao Fan, Wei Li, Yi Ye, Xuebo Li, Wendong Ge, Yongqiang Yang, Bing Long
The distribution of 17 Y-chromosome short tandem repeat (STR) loci, included in the AmpFlSTR®Yfiler™ amplification kit, were analyzed in six different samplings (N=878) from Sichuan, China. Haplotype diversity and discrimination capacity (DC) values were calculated. Pairwise Rst values were evaluated in AMOVA analysis and visualized through multidimensional scaling (MDS). A total of 547 unique haplotypes were detected. The observed haplotype diversity and discrimination capacity were 0.9995 and 0.7745, respectively...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549551/age-estimation-by-the-cameriere-s-normalized-measurements-cnm-of-the-single-permanent-mandibular-tooth-on-a-panoramic-radiograph
#7
Ivan Galić, Andrea Pacifici, Daniele Carbone, Luciano Pacifici, Ana Jerončić, Roberto Cameriere
In this study Cameriere's normalized measurements (CNM) of a single mandibular tooth were evaluated for age estimation on a sample of ortopantomographies (OPTs) of 2223 Italian children aged between 4 and 15years. Dental maturity was radiographically evaluated by CNM of the seven left permanent mandibular teeth (CNMi=Ai/Li, i=1,…,7); in monoradicular teeth, the distance (Ai, i=1,…,5) between the inner sides of the open apex was measured while in biradicular teeth (Ai, i=6, 7), the sum of the distances between the inner sides of the two open apices was calculated...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549550/forensic-efficiency-parameters-of-the-investigator-argus-x-12-kit-in-women-from-two-mestizo-and-seven-amerindian-populations-from-mexico
#8
I Cortés-Trujillo, B Ramos-González, O Salas-Salas, F Zuñiga-Chiquette, A Zetina Hernández, G Martínez-Cortés, M Ruiz-Hernández, A González-Martín, J F Ferragut, H Rangel-Villalobos
Allele frequency distribution and statistical parameters of forensic efficiency concerning the Investigator Argus X-12 kit (Qiagen, Hilden, Germany) were determined in a total sample of 641 unrelated Mexican females, including two Mestizo-admixed- populations (n=309) and seven Amerindian groups (n=332) from the main regions of the country. Most of the 12 X-STRs were in agreement with Hardy-Weinberg expectations in all nine Mexican populations. The power of discrimination in females (PD) and Median exclusion chance for trios (MECT) and duos (MECD) of this genetic system based on X-STRs were >99...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549549/freezing-preparation-for-macroscopic-forensic-investigation-in-putrefied-brain
#9
Kotaro Matoba, Hideki Hyodoh, Manabu Murakami, Tomoko Matoba, Atsuko Saito, Fei Feng, Shigeki Jin
PURPOSE: To evaluate the usefulness of the applied freezing technique in putrefied brain for macroscopic investigation. MATERIALS AND METHODS: From October 2015 to September 2016, first the brains of 10 cadavers (control group: male 6, female 4, age 20-80 (mean 61.5), postmortem intervals (PMI) 14-75 (mean 29.7)days) were inspected following the standard practice (without freezing preparation), and then with 10 cadavers (freezing group: male 7, female 3, age 41-88 (mean 60...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549548/geometric-morphometric-and-traditional-methods-for-sex-assessment-using-the-posterior-ilium
#10
Rebeka Rmoutilová, Ján Dupej, Jana Velemínská, Jaroslav Brůžek
The human hip bone is generally accepted as the most reliable bone for sex estimation in forensic and bioarchaeological disciplines. However, it is seldom completely preserved. The best preserved region is typically around the sacroiliac joint and its auricular surface; it is therefore surprising that this surface has not been involved in standard sexing methods. The aim of this study was to explore the shape and size sexual dimorphism of the auricular surface in detail and to compare its sex estimation accuracy using the geometric morphometric (GM) and traditional methodological approach...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549547/a-systematic-review-on-ricochet-gunshot-injuries
#11
REVIEW
Yuw-Er Yong
Ricocheted bullets may still retain sufficient kinetic energy to cause gunshot injuries. Accordingly, this paper reviews the literature surrounding gunshot injuries caused by ricocheted bullets. In doing so, it discusses the characteristics of ricochet entrance wounds and wound tracks, noting several important considerations for assessment of a possible ricochet incident. The shapes of ricochet entrance wounds vary, ranging from round holes to elliptical, large and irregular shapes. Pseudo-stippling or pseudo-gunpowder tattooing, pseudo-soot blackening and tumbling abrasions seen on the skin surrounding the bullet hole are particularly associated with ricochet incidents...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549546/population-genetic-analysis-of-xiamen-han-population-on-21-short-tandem-repeat-loci
#12
Lili Wu, Bin Pei, Peng Ran, Xiuyu Song
GlobalFiler™ Express amplification kit incorporates 21 commonly used autosomal short tandem repeat (STR) loci and three gender determination loci. In this study, we analyzed GlobalFiler STR loci on 1006 unrelated individuals sampled of the Han population from Xiamen city, Fujian province, China. No deviations from Hardy-Weinberg equilibrium were observed. The combined probability of exclusion (CPE) for all 21 STR loci were >0.99999999771. A comparison of the allele frequencies in the population under study has been performed with other published from East Asian population for the same loci...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549545/developmental-and-internal-validation-of-a-novel-13-loci-str-multiplex-method-for-cannabis-sativa-dna-profiling
#13
Rachel Houston, Matthew Birck, Sheree Hughes-Stamm, David Gangitano
Marijuana (Cannabis sativa L.) is a plant cultivated and trafficked worldwide as a source of fiber (hemp), medicine, and intoxicant. The development of a validated method using molecular techniques such as short tandem repeats (STRs) could serve as an intelligence tool to link multiple cases by means of genetic individualization or association of cannabis samples. For this purpose, a 13 loci STR multiplex method was developed, optimized, and validated according to relevant ISFG and SWGDAM guidelines. The STR multiplex consists of 13 previously described C...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549544/genetic-dissection-of-five-ethnic-groups-from-punjab-north-west-india-a-study-based-on-autosomal-markers
#14
Gagandeep Singh, Indu Talwar, Harkirat Singh Sandhu, Kawaljit Matharoo, A J S Bhanwer
The present study assessed the applicability of Alu insertion elements and Single Nucleotide Polymorphisms (SNPs) in forensic identification and estimated the extent of genetic variation in five major ethnic groups of Punjab, North-West India. A total of 1012 unrelated samples belonging to Banias, Brahmins, Jat Sikhs, Khatris and Scheduled Castes were genotyped for four Alu elements (ACE, APO, PLAT, D1) and six Single Nucleotide Polymorphisms [ESR (PvuII), LPL (PvuII), HTR2A (MspI), DRD2 Taq1A, Taq1B, Taq1D]...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549543/paternity-testing-at-the-department-of-forensic-medicine-of-wroclaw-medical-university-poland
#15
Anna Karpiewska, Elżbieta Kowalczyk, Tadeusz Dobosz
Evidentiary materials in court cases comprise the testimony of all relevant parties and witnesses, physical and biological evidence, and the stage of child's development at the moment of birth. In this study, an analysis was made of results obtained between 1966 and 2014 from paternity testing capable of providing biological evidence for court cases. During this time, 16,508 opinions were released, with exclusion of paternity in 4182 cases. The analysis of the total percentage of exclusions in individual years over the entire period of 49years turned out to be very interesting...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549542/study-of-autosomal-str-loci-with-ibs-method-in-full-sibling-identification
#16
Li Yuan, Xu Xu, Dong Zhao, He Ren, Chaohui Hu, Wen Chen, Shicheng Hao, Di Lu, Lin Zhang
OBJECTIVE: We investigated the application of 51 autosomal short tandem repeat (STR) loci with the identity by state (IBS) method and a discriminant function algorithm in full-sib identification. METHODS: A total of 342 pairs of full sibs (FSs) and 3900 pairs of unrelated individuals (UIs) were genotyped for 51 STR loci. Groups were formed in accordance with discrimination power (DP) values and the number of loci, and IBS scores of FSs and UIs were analyzed and compared...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549541/mitochondrial-control-region-diversity-in-sindhi-ethnic-group-of-pakistan
#17
Memona Yasmin, Allah Rakha, Saadia Noreen, Zeenat Salahuddin
The entire mitochondrial DNA control region (nt 16024-576) of 88 unrelated individuals of Sindhi ethnic group residing in different parts of Sindh province of Pakistan was sequenced. Out of 66 different observed haplotypes 50 were unique and 16 were shared by more than one individual. Results showed admixture of mtDNA pool constituting the haplogroups derived mainly from South Asia (47.6%) and West Eurasian (35.7%) whereas the contribution of the African haplogroup was very small (2.4%). High values of genetic diversity (0...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549540/micro-computed-tomography-of-false-starts-produced-on-bone-by-different-hand-saws
#18
Guido Pelletti, Guido Viel, Paolo Fais, Alessia Viero, Sindi Visentin, Diego Miotto, Massimo Montisci, Giovanni Cecchetto, Chiara Giraudo
The analysis of macro- and microscopic characteristics of saw marks on bones can provide useful information about the class of the tool utilized to produce the injury. The aim of the present study was to test micro-computed tomography (micro-CT) for the analysis of false starts experimentally produced on 32 human bone sections using 4 different hand-saws in order to verify the potential utility of micro-CT for distinguishing false starts produced by different saws and to correlate the morphology of the tool with that of the bone mark...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28457516/relevance-of-hemolysis-induced-tissue-factor-expression-on-monocytes-in-soft-clot-formation-in-alcohol-containing-blood
#19
Masatoshi Nakata, Shogo Kasuda, Katsuya Yuui, Risa Kudo, Katsuhiko Hatake
The fluidity of cadaveric blood is an important characteristic in the post-mortem examination of cases of asphyxial death. Although it is empirically known that soft blood clots are present in cadaveric blood containing alcohol, the relationship between such clots and blood alcohol is unclear. We addressed this issue through in vitro studies using blood collected from healthy volunteers. Assessment of global hemostasis by rotational thromboelastometry revealed that ethanol treatment enhanced the procoagulant activity of whole blood...
March 2017: Legal Medicine
https://www.readbyqxmd.com/read/28457515/terminal-restriction-fragment-length-polymorphism-profiling-of-bacterial-flora-derived-from-single-human-hair-shafts-can-discriminate-individuals
#20
Eiji Nishi, Kota Watanabe, Yukihiro Tashiro, Kenji Sakai
Human hairs are the trace evidence most commonly encountered at many crime scenes. However, they have not been effectively utilized for actual criminal investigations because of the low accuracy of their morphological inspection, low detection rate of short tandem repeat (STR) typing, and the problem of heteroplasmy in mitochondrial DNA analysis. Here, we examined the possibility of individual discrimination by comparing profiles of bacterial flora on hair. We carried out the profiling of terminal restriction fragment length polymorphisms (T-RFLP) of the amplified bacterial 16S ribosomal RNA (rRNA) gene from hair samples...
March 2017: Legal Medicine
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