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https://www.readbyqxmd.com/read/28802982/reducing-of-salivary-%C3%AE-amylase-inhibition-by-using-bovine-serum-albumin-and-calcium-chloride-for-forensic-saliva-screening
#1
Jun Ohta, Masako Ohmura
Inhibiting salivary α-amylase is a critical issue of forensic saliva identification using the catalytic method. This study aims to identify human α-amylase inhibitors in forensic saliva screening by using a blue starch amylase test and to measure the extent of enzyme inhibition. Thus, in order to demonstrate the presence of inhibitors, we prepared positively charged metal ion sources or chelators that were mixed into the saliva stains. The results of this study show that ferric chloride (FeCl3), magnesium chloride, ethylenediaminetetraacetic acid, and citric acid significantly decrease the α-amylase activity of saliva stains...
July 25, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28772147/modified-method-of-dental-age-estimation-of-malay-juveniles
#2
Safar Sumit Bunyarit, Jayakumar Jayaraman, Murali K Naidu, Rozaida Poh Yuen Ying, Mahmoud Danaee, Phrabhakaran Nambiar
No abstract text is available yet for this article.
July 25, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28755627/the-importance-of-laboratory-re-evaluation-in-cases-of-suspected-child-abuse-a-case-report
#3
L Woydt, C König, M K Bernhard, P Nickel, J Dreßler, B Ondruschka
In order to accurately diagnose child abuse or neglect, a physician needs to be familiar with diseases and medical conditions that can simulate maltreatment. Unrecognized cases of abuse may lead to insufficient child protection, whereas, on the other hand, over-diagnosis could be the cause of various problems for the family and their potentially accused members. Regarding child abuse, numerous cases of false diagnoses with undetected causes of bleeding are described in the scientific literature, but, specifically concerning leukemia in childhood, only very few case reports exist...
July 24, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28756305/age-assessment-in-canine-and-premolar-by-cervical-axial-sections-of-cone-beam-computed-tomography
#4
Hichem Nemsi, Nidhal Haj Salem, Ines Bouanene, Sami Ben Jomaa, Meriem Belhadj, Mohamed Amin Mosrati, Abir Aissaoui, Faten Ben Amor, Ali Chadly
Age estimation in adults is a challenge in both anthropological and forensic situations compared to sub-adults age estimation. The present study explored, for the first time, the cervical zone of single rooted teeth. The deposition of secondary dentin is responsible for a decrease in the volume of the dental pulp cavity with aging, and therefore is often used as an age indicator. The current study aimed at estimating the chronological age among adults by measuring the pulp/dentin area ratio (physiological ratio) by axial sections at cervical region of maxillary canine and mandibular second premolar...
July 21, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28738217/association-between-an-indel-polymorphism-in-the-3-utr-of-col1a2-and-the-risk-of-sudden-cardiac-death-in-chinese-populations
#5
Zhixia Yin, Yadong Guo, Jianhua Zhang, Qing Zhang, Lijuan Li, Shouyu Wang, Chaoqun Wang, Yan He, Shaohua Zhu, Chengtao Li, Suhua Zhang, Lagabaiyila Zha, Jifeng Cai, Bin Luo, Yuzhen Gao
Sudden cardiac death (SCD) describes the unexpected natural death from a cardiac cause within a short time period. Compelling evidence suggests the involvement of host genetic factors in SCD etiology. Identification of genetic variations predisposed to SCD enables genetic testing that may contribute to SCD diagnosis and risk stratification. Previous studies have suggested that dysregulation of pro-alpha2 chain of type I collagen, encoded by collagen type I alpha 2 chain (COL1A2) gene, was involved in cardiac disorders such as myocardial infarction, hypertrophic cardiomyopathy and atherosclerosis...
July 19, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28738216/early-time-related-course-of-image-findings-in-postmortem-mri-typical-findings-and-observer-agreement-in-a-porcine-model
#6
Frank Oliver Henes, Marc Regier, Peter Bannas, Marlen Henker, Axel Heinemann, Jan Sperhake, Philipp G C Begemann, Gerhard Adam, Michael Groth
PURPOSE: To assess early time-related image findings in postmortem magnetic resonance imaging (MRI) and to evaluate observer agreement in a porcine model. MATERIAL AND METHODS: Three pigs were examined by MRI at 15 different time points in the first 36h after death. Two observers independently recorded the postmortem interval (PMI) to the appearance of fluid collection (pleural space, interlobar and interlobular pulmonary fissures and hepatic interlobar fissures), gas accumulation (intrahepatic and intracardial) and blood clotting (aorta and intrahepatic venous vessels)...
July 15, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28728072/postmortem-diagnosis-of-sepsis-a-preliminary-immunohistochemical-study-with-an-anti-procalcitonin-antibody
#7
Aniello Maiese, Franca Del Nonno, Marco Dell'Aquila, Mario Moauro, Andrea Baiocchini, Antonio Mastracchio, Giorgio Bolino
No abstract text is available yet for this article.
July 13, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28728073/sudden-perinatal-death-due-to-rupture-of-congenital-cardiac-diverticulum-pathological-findings-and-medico-legal-investigations-in-malpractice-charge
#8
Matteo Marchesi, Michele Boracchi, Guendalina Gentile, Francesca Maghin, Riccardo Zoja
Congenital diverticula of the left ventricle, very rare malformations, are determined by an abnormal embryonic development of the ventricular wall and can be isolated or associated to other cardiac anomalies. In most of the cases, these pathologies are not symptomatic and in some patients can be associated to ventricular arrhythmia, cardiac rupture with tamponade and sudden death. Authors are presenting the case of a sudden death in an 8-weeks-old newborn due to rupture of a cardiac congenital diverticulum of the left ventricle, discovered only at the moment of the autopsic examination...
July 12, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28759769/changes-in-illicit-licit-and-stimulant-designer-drug-use-patterns-in-south-east-hungary-between-2008-and-2015
#9
Zsófia Árok, Tamás Csesztregi, Éva Sija, Tibor Varga, Éva M Kereszty, Réka Anita Tóth, László Institóris
No abstract text is available yet for this article.
July 8, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28693946/corrigendum-to-age-estimation-by-an-analysis-of-spheno-occipital-synchondrosis-using-cone-beam-computed-tomography-legal-med-tokyo-18-2016-13-19
#10
A Sinanoglu, H Demirturk Kocasarac, M Noujeim
No abstract text is available yet for this article.
July 7, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28697408/a-finding-in-genetic-polymorphism-analysis-study-a-case-of-non-mosaic-47-xxx-without-manifestations
#11
Xingyi Yang, Zilan Ye, Xiaofang Zhang, Huijun Wang, Chao Liu
Trisomy X (47, XXX) is a sex chromosome aneuploidy condition in which females have an extra X chromosome, compared to the 46, XX karyotype in typical females. There is considerable variation in the phenotype, with some individuals very mildly affected and others with more significant physical and psychological features. However, the trisomy X in this case, without any of these phenotype, is rarely reported. Here, we report a case found during DNA sample collection in a study of genetic polymorphism analysis of loci in Chinese ethnic group, of a female with neither laboratory or clinical signs of Triple X syndrome...
June 30, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28732225/influence-of-hypo-and-hyperthermia-on-death-time-estimation-a-simulation-study
#12
H Muggenthaler, M Hubig, S Schenkl, G Mall
Numerous physiological and pathological mechanisms can cause elevated or lowered body core temperatures. Deviations from the physiological level of about 37°C can influence temperature based death time estimations. However, it has not been investigated by means of thermodynamics, to which extent hypo- and hyperthermia bias death time estimates. Using numerical simulation, the present study investigates the errors inherent in temperature based death time estimation in case of elevated or lowered body core temperatures before death...
June 27, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28668480/a-new-challenge-in-forensic-toxicology-exemplified-by-a-case-of-murder-under-the-influence-of-a-synthetic-cannabinoid-am-2201
#13
Sebastian Rojek, Małgorzata Kłys, Martyna Maciów-Głąb, Karol Kula
Among new psychoactive substances (NPS) available on the narcotic market, a significant number consists of synthetic cannabinoids commonly known as smokable herbal "spice" and "K2", and which are legally treated as a legal alternative to marijuana. The dearth of information on the pharmacology of these intoxicants as they are introduced into the market has created the urgent need among healthcare providers for case studies on the substances belonging to this group, both in terms of the consequences of using such intoxicants, and in methods of detection...
June 24, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28668479/sex-determination-based-on-a-thoracic-vertebra-and-ribs-evaluation-using-clinical-chest-radiography
#14
Shun Tsubaki, Junji Morishita, Yosuke Usumoto, Kyoko Sakaguchi, Yusuke Matsunobu, Yusuke Kawazoe, Miki Okumura, Noriaki Ikeda
Our aim was to investigate whether sex can be determined from a combination of geometric features obtained from the 10th thoracic vertebra, 6th rib, and 7th rib. Six hundred chest radiographs (300 males and 300 females) were randomly selected to include patients of six age groups (20s, 30s, 40s, 50s, 60s, and 70s). Each group included 100 images (50 males and 50 females). A total of 14 features, including 7 lengths, 5 indices for the vertebra, and 2 types of widths for ribs, were utilized and analyzed for sex determination...
June 23, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28675828/comparison-of-three-dimensional-facial-morphology-between-upright-and-supine-positions-employing-three-dimensional-scanner-from-live-subjects
#15
Ozgur Bulut, Ching-Yiu Jessica Liu, Fatih Koca, Caroline Wilkinson
Facial soft tissue thicknesses (FSTT) measurements collected from Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) imaging techniques are most commonly taken in the supine position for forensic craniofacial reconstruction. FSTT have been shown to be different in comparison to the upright position due to gravity. The variation of facial morphology between the upright and supine position of laser-scanned images taken from 44 individuals was investigated using volumetric analysis with deviation maps...
June 22, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28605683/four-intracranial-injury-cases-with-peripapillary-scleral-hemorrhage-reconsidering-the-mechanism-of-hemorrhage
#16
Toru Oshima, Hiroshi Yoshikawa, Yoshiro Koda, Maki Ohtani, Shoko Tsukamoto, Sohtaro Mimasaka
No abstract text is available yet for this article.
June 9, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28577412/postmortem-computed-tomography-evaluation-of-fatal-gas-embolism-due-to-connection-of-an-intravenous-cannula-to-an-oxygen-supply
#17
Yoichiro Takahashi, Rie Sano, Akiyuki Yasuda, Eri Kuboya, Keiko Takahashi, Rieko Kubo, Yoshihiko Kominato, Hiroyuki Takei, Susumu Kobayashi, Takehiro Shimada, Sachiko Awata, Hiroyuki Tokue, Satoshi Hirasawa
An 84-year-old man who had suffered from chronic obstructive pulmonary disease accompanied by moderate pneumonia as well as gastric cancer with liver metastasis was found dead by a nurse, who noticed that the patient's intravenous catheter in the left forearm had been erroneously connected to an oxygen supply in his hospital room, leading to infusion of oxygen into a vein. Postmortem CT scanning demonstrated multiple accumulations of gas in the pulmonary artery, the right atrium and ventricle, as well as the left subclavian and brachiocephalic veins, corresponding to the route that the infused gas would have taken to the heart and pulmonary artery...
May 26, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28623801/dna-analysis-of-root-canal-filled-teeth
#18
Hikaru Izawa, Hirofumi Tsutsumi, Sayaka Maruyama, Toshinobu Komuro
Teeth are markedly useful as samples for DNA analysis; however, intact teeth are not always available. This study examined the possibility of identifying autosomal and Y-chromosome short tandem repeat (STR) types in samples from 34 teeth (15 intact and 19 root canal filled) that had been preserved for 10-33years after dental extraction. The aim was to explore the feasibility of individual identification by DNA analysis of samples obtained from highly decomposed and skeletonized corpses. Only one out of 24 autosomal STR loci was not identified in two of the 15 intact teeth, whereas all 23 loci of the Y chromosome STR were detected...
May 10, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28527385/pharmacokinetic-analyses-using-absorption-kinetics-in-low-alcohol-dose-cases-of-drunken-driving
#19
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/28549555/forensic-applications-of-y-chromosomal-properties
#20
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
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