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Forensic Science International

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https://www.readbyqxmd.com/read/28432962/gc-ms-quantitative-analysis-of-black-market-pharmaceutical-products-containing-anabolic-androgenic-steroids-seized-by-the-brazilian-federal-police
#1
Diana Brito da Justa Neves, Eloisa Dutra Caldas
The use of counterfeit or substandard medicines can have an important health impact, resulting in therapeutic failure, be toxic or even cause death. Anabolic steroids are a frequent target for counterfeiters worldwide, being the second most frequent counterfeited class in Brazil. The aims of this work were to optimize and validate a GC-MS method for the quantitative determination of anabolic steroids in tablet, aqueous suspension and oil solution forms, and to analyze pharmaceutical products sent to Brazilian Federal Police (BFP) for forensic analysis...
April 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28414984/a-fully-synthetic-lung-model-for-wound-ballistic-experiments-first-results
#2
S A Bolliger, S A Poschmann, M J Thali, S Eggert
PURPOSE: Today, synthetic models have all but replaced animal and corpse models in examining damage to soft-tissues and skeletal structures by ballistic trauma. As, however, non-solid organs such as the lungs, have not been able to be replaced by a fully synthetic model we attempted to create such a model. MATERIAL AND METHODS: 20% ordnance gelatine was frothed with a household mixer and cooled to stable foam. Several of these foam blocks were then stuck together with liquid gelatine and placed between 10% gelatine blocks...
April 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28412575/the-role-of-illicit-licit-and-designer-drugs-in-the-traffic-in-hungary
#3
László Institóris, Előd Hidvégi, Adrienn Dobos, Éva Sija, Éva M Kereszty, László Balázs Tajti, Gábor Pál Somogyi, Tibor Varga
The aim of this study was to investigate the prevalence and pattern of psychoactive substances among suspected DUID (Driving Under the Influence of Drugs) drivers in Hungary in 2014 and 2015. Blood and/or urine samples of 1252 suspected drivers (600 in 2014 and 652 in 2015) were analyzed for classical illicit and licit drugs, stimulant designer drugs (SDDs), and for synthetic cannabinoids, with 78.3% and 79.6% positive cases for at least one substance in 2014, and 2015, respectively. Impairment was proven in 39...
April 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28412576/the-occurrence-of-alcohol-drugs-by-toxicological-examination-of-selected-drivers-in-hong-kong
#4
Wing-Chi Cheng, Kwok-Leung Dao
The study is to investigate the extent of alcohol/drug(s) use among selected drivers, i.e. fatally injured drivers from traffic accidents (2006-2015), drink driving (2006-2015) and drug driving (2010-2015) cases, in Hong Kong. Between 2006 and 2015, specimens from a total of 223 fatally injured drivers were received for toxicological examination. Except for one driver, all other drivers with positive findings were male. Alcohol and/or drugs were detected in 60 (27%) cases where alcohol alone was detected in 40 cases (18%) while drugs with/without alcohol were detected in 20 cases (9%)...
April 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28412574/work-place-drug-testing-of-police-officers-after-thc-exposure-during-large-volume-cannabis-seizures
#5
Gregory S Doran, Ralph Deans, Carlo De Filippis, Chris Kostakis, Julia A Howitt
Police officers responsible for the seizure and removal of illegally grown cannabis plants from indoor and outdoor growing operations face the prospect of THC exposure while performing their work duties. As a result, a study investigating the amount of THC on hands and uniforms of officers during raids on cannabis growing houses (CGHs) and forest cannabis plantations (FCPs) and in the air at these sites was conducted. Swabs of gloves/hands, chests, and heads/necks were collected and analysed for THC. Results of hand swabs indicated that officers removing plants from FCPs were exposed to THC concentrations up to 20 times those involved in raids at CGHs, which was mainly associated with the number and size of plants seized...
April 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28411500/computerized-reconstruction-of-fragmentary-skeletal-remains
#6
Mohamed R Mahfouz, Ali Mustafa, Emam ElHak Abdel Fatah, Nicholas P Herrmann, Natalie R Langley
This research presents a new software, "Fragmento", for accurate analyses of fragmentary human skeletal remains and facilitation of three-dimensional (3D) fragmentary matching and full bone reconstruction. The framework utilizes the power of statistical bone atlases to create 3D templates for bone matching and to interpolate missing anatomy for full bone reconstruction. Developed tool has enhanced features allowing the user to visualize, review and scale all scanned skeletal remains within a 3D statistical template, merging accepted registered elements to provide a fully reconstructed bone...
March 31, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28392030/an-unusual-exit-wound-as-a-result-of-a-shotgun-suicide-to-the-head
#7
S N Kunz
The location of a gunshot entrance wound as well as the wound path trajectory are the main findings that help to determine the position from which a weapon was fired and thus distinguish firearm suicides from homicides and accidents. We present a case of a 28-year old man, who was found dead in his car. Because of an unusual position of the firearm, which was clamped into the steering wheel, and an unclear entrance/exit wound, an autopsy was performed. The deceased showed typical signs of a contact shotgun wound to the head with an entrance wound in the right temporal region and an exit wound in the midface...
March 30, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28414985/sharp-and-blunt-force-trauma-concealment-by-thermal-alteration-in-homicides-an-in-vitro-experiment-for-methodology-and-protocol-development-in-forensic-anthropological-analysis-of-burnt-bones
#8
Ioana Macoveciuc, Nicholas Márquez-Grant, Ian Horsfall, Peter Zioupos
Burning of human remains is one method used by perpetrators to conceal fatal trauma and expert opinions regarding the degree of skeletal evidence concealment are often disparate. This experiment aimed to reduce this incongruence in forensic anthropological interpretation of burned human remains and implicitly contribute to the development of research methodologies sufficiently robust to withstand forensic scrutiny in the courtroom. We have tested the influence of thermal alteration on pre-existing sharp and blunt trauma on twenty juvenile sheep radii in the laboratory using an automated impact testing system and an electric furnace...
March 29, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28407560/genital-and-anal-injuries-a-cross-sectional-australian-study-of-1266-women-alleging-recent-sexual-assault
#9
Renate R Zilkens, Debbie A Smith, Maureen A Phillips, S Aqif Mukhtar, James B Semmens, Maire C Kelly
OBJECTIVES: To describe the frequency of genital and anal injury and associated demographic and assault characteristics in women alleging sexual assault. DESIGN: Cross-sectional study. SETTING: Sexual Assault Resource Centre (SARC), Western Australia. PARTICIPANTS: Total of 1266 women attending SARC from Jan-2009 to Mar-2015. METHODS: Women underwent a standardised data collection procedure by forensically trained doctors...
March 29, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28364722/examining-authenticity-an-initial-exploration-of-the-suitability-of-handwritten-electronic-signatures
#10
J Heckeroth, C D Boywitt
Considering the increasing relevance of handwritten electronically captured signatures, we evaluated the ability of forensic handwriting examiners (FHEs) to distinguish between authentic and simulated electronic signatures. Sixty-six professional FHEs examined the authenticity of electronic signatures captured with software by signotec on a smartphone Galaxy Note 4 by Samsung and signatures made with a ballpoint pen on paper (conventional signatures). In addition, we experimentally varied the name ("J. König" vs...
March 29, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28413153/contribution-by-cgg-aitken-to-discussion-of-meuwly-et-al-2016
#11
LETTER
Colin Aitken
No abstract text is available yet for this article.
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28410514/age-estimation-in-adults-by-dental-imaging-assessment-systematic-review
#12
T Y Marroquin, S Karkhanis, S I Kvaal, S Vasudavan, E Kruger, M Tennant
IMPORTANCE: The need to rely on proper, simple, and accurate methods for age estimation in adults is still a world-wide issue. It has been well documented that teeth are more resistant than bones to the taphonomic processes, and that the use of methods for age estimation based on dental imaging assessment are not only less invasive than those based on osseous analysis, but also have shown similar or superior accuracy in adults. OBJECTIVES: To summarise the results of some of the recently most recently cited methods for dental age estimation in adults, based on odontometric dental imaging analysis, to establish which is more accurate, accessible, and simple...
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28392031/comment-to-a-guideline-for-the-validation-of-likelihood-ratio-methods-used-for-forensic-evidence-evaluation
#13
LETTER
Ivo Alberink, Annabel Bolck, Marjan Sjerps, Peter Vergeer
No abstract text is available yet for this article.
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28390826/estimation-of-date-of-death-through-wound-healing-of-an-extraction-socket-a-case-report
#14
Joan Viciano, Ruggero D'Anastasio, Cristian D'Ovidio, Sara Costantini, Aldo Carnevale, Luigi Capasso
Surgical extraction of teeth due to dental pathologies is a relatively common procedure in modern man. The healing of the wound that results occurs in gradual and sequential stages, such that the analysis of this repair process can be very useful in forensic investigations on human remains. The following study reports on a particular case where the remodeling of a tooth socket allowed an estimation of the time that had elapsed from the day of the surgical extraction of the tooth to the time of death. The corpse was that of a woman of 34 years...
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28390222/recovery-of-deceased-scuba-divers-from-within-flooded-subterranean-caves
#15
Peter Buzzacott, Craig Nelson, Ken Hill, Lamar Hires
Each year in the US three divers, on average, perish inside flooded caves and their remains require recovery. Recovery is a hazardous undertaking often performed by members of the International Underwater Cave Rescue and Recovery (IUCRR) team, in collaboration with local law enforcement and medical examiners/coroners. Since forming in 1999 the IUCRR have established standard recovery procedures for cave diving fatalities. This article reviews each stage of the recovery; the call out, arrival on site, the search, recording/preserving the evidence, the recovery, the handover and post-recovery record-keeping...
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28391113/tracers-as-invisible-evidence-the-transfer-and-persistence-of-flock-fibres-during-a-car-exchange
#16
Ana Slot, Jaap van der Weerd, Martin Roos, Martin Baiker, Reinoud D Stoel, Matthijs C Zuidberg
This study assessed the recovery of flock fibres used as a tracer in a car exchange scenario. Flock fibres were deposited onto a car seat (or model thereof) and their transfer and persistence was investigated after a real or simulated car exchange. The overall aim of this study was to achieve an optimal use of flock fibres as tracers, i.e. to be able to select a fit-for-purpose flock fibre, to be able to predict the amount of flock fibres to be recovered from crime related items, and to be able to use these numbers to exclude accidental uptake...
March 23, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28363160/ion-channelopathies-associated-genetic-variants-as-the-culprit-for-sudden-unexplained-death
#17
REVIEW
Shouyu Wang, Lijuan Li, Ruiyang Tao, Yuzhen Gao
Forensic identification of sudden unexplained death (SUD) has always been a ticklish issue because it used to be defined as sudden death without a conclusive diagnosis after autopsy. However, benefiting from the developments in genome research, a growing body of evidence points to the importance of ion channelopathies associated genetic variants in the pathogenesis of SUD. Genetic diagnosis of the deceased is also a new trend in epidemiological studies, for it enables the undertaking for preventive approach in individuals with high risks...
March 21, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28391114/genotype-phenotype-dilemma-in-a-case-of-sudden-cardiac-death-with-the-e1053k-mutation-and-a-deletion-in-the-scn5a-gene
#18
T Jenewein, B M Beckmann, S Rose, H H Osterhues, U Schmidt, C Wolpert, P Miny, C Marschall, M Alders, C R Bezzina, A A M Wilde, S Kääb, S Kauferstein
Mutations in the cardiac sodium channel gene SCN5A may result in various arrhythmia syndromes such as long QT syndrome type 3 (LQTS), Brugada syndrome (BrS), sick sinus syndrome (SSS), cardiac conduction diseases (CCD) and possibly dilated cardiomyopathy (DCM). In most of these inherited cardiac arrhythmia syndromes the phenotypical expression may range from asymptomatic phenotypes to sudden cardiac death (SCD). A 16-year-old female died during sleep. Autopsy did not reveal any explanation for her death and a genetic analysis was performed...
March 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28391112/validating-sonication-as-a-dna-extraction-method-for-use-with-carrion-flies
#19
Trevor Stamper, E Scott Wong, Alicia Timm, Ronald W DeBry
Entomological evidence can be critical in establishing a postmortem interval estimate. DNA-based species identification can be an extremely valuable tool for forensic entomology. The problem of processing samples in a consistent, cost-effective manner that retains the morphological attributes of the specimen for vouchering has led us to investigate sonication as a primary means of non-destructive DNA extraction from carrion flies. We analyze the efficacy of this technique and compare it to an established DNA extraction technique - the Qiagen DNeasy tissue kit...
March 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28366623/species-identification-of-white-false-hellebore-veratrum-album-subsp-oxysepalum-using-real-time-pcr
#20
Hitomi S Kikkawa, Kouichiro Tsuge, Satoshi Kubota, Masako Aragane, Hikoto Ohta, Ritsuko Sugita
Food poisoning is frequently caused by the accidental ingestion of toxic plants that possess strong morphological similarities to edible plants. False helleborine (Veratrum album) is one of the most common plants involved in such accidents. In cases of poisoning by toxic plants, rapid and accurate identification, usually based on the morphological or chemical analysis of plant parts, is required for appropriate medical treatment or forensic investigation. However, morphological examinations require experience in systematic botany because the samples are fragmentary, and chemical analysis of natural compounds can be difficult...
March 20, 2017: Forensic Science International
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