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https://www.readbyqxmd.com/read/28938228/sex-determination-from-chest-measurements-in-a-sample-of-egyptian-adults-using-multislice-computed-tomography
#1
Ragaa T Darwish, Manal H Abdel-Aziz, Abdel-Aziz M El Nekiedy, Zahraa K Sobh
BACKGROUND: In forensic sciences to determine one's sex is quite important during the identity defining stage. The reliability of sex determination depends on the completeness of the remains and the degree of sexual dimorphism inherent in the population. Computed Tomography is the imaging modality of choice for two- and three-dimensional documentation and analysis of many autopsy findings. OBJECTIVE: The aim of the present work was to assess the reliability of Three-dimensional Multislice Computed Tomography (3D MSCT) to determine sexual dimorphism from certain chest measurements; sternum and fourth rib using the 3D MSCT and to develop equations for sex determination from these bones among adult Egyptians sample...
September 11, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28938132/development-and-validation-of-carbofuran-and-3-hydroxycarbofuran-analysis-by-high-pressure-liquid-chromatography-with-diode-array-detector-hplc-dad-for-forensic-veterinary-medicine
#2
Vagner Gonçalves, Nicolle Queiroz Hazarbassanov, Adriana de Siqueira, Jorge Camilo Florio, Claudia Helena Pastor Ciscato, Paulo Cesar Maiorka, Andre Fukushima, Helenice de Souza Spinosa
Agricultural pesticides used with the criminal intent to intoxicate domestic and wild animals are a serious concern in Veterinary Medicine. In order to identify the pesticide carbofuran and its metabolite 3- hydroxycarbofuran in animals suspected of exogenous intoxication a high pressure liquid chromatography with diode array detector (HPLC-DAD) method was developed and validated in stomach contents, liver, vitreous humor and blood. The method was evaluated using biological samples from seven different animal species...
September 14, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28936824/discrimination-of-human-and-nonhuman-blood-using-raman-spectroscopy-with-self-reference-algorithm
#3
Haiyi Bian, Peng Wang, Jun Wang, Huancai Yin, Yubing Tian, Pengli Bai, Xiaodong Wu, Ning Wang, Yuguo Tang, Jing Gao
We report a self-reference algorithm to discriminate human and nonhuman blood by calculating the ratios of identification Raman peaks to reference Raman peaks and choosing appropriate threshold values. The influence of using different reference peaks and identification peaks was analyzed in detail. The Raman peak at 1003  cm-1 was proved to be a stable reference peak to avoid the influencing factors, such as the incident laser intensity and the amount of sample. The Raman peak at 1341  cm-1 was found to be an efficient identification peak, which indicates that the difference between human and nonhuman blood results from the C-H bend in tryptophan...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28923667/large-scale-forensic-investigations-into-the-missing-challenges-and-considerations
#4
Mercedes Salado Puerto, Hugh Tuller
Large-scale forensic investigations may follow episodes of mass violence and disasters where hundreds or thousands of people have died or are missing. A number of unique challenges for forensic science, different from domestic investigations, arise in these contexts. The setting and situation of these investigations regularly force forensic scientists into practices not regularly encountered while working in a standard criminal justice system. These practices can entail activities not specific to a practitioner's particular field or necessarily be scientific in nature, but are still needed in order for the investigation to move forward...
September 1, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28922849/medullary-serotonin-neuron-abnormalities-in-an-australian-cohort-of-sudden-infant-death-syndrome
#5
Fiona M Bright, Roger W Byard, Robert Vink, David S Paterson
Serotonin (5-hydroxytryptamine [5-HT]) neurons in the medulla oblongata project extensively to key autonomic and respiratory nuclei in the brainstem and spinal cord regulating critical homeostatic functions. Multiple abnormalities in markers of 5-HT function in the medulla in sudden infant death syndrome (SIDS) have been reported, informing the hypothesis that at least a subset of SIDS cases is caused by deficits in 5-HT function resulting in impaired homeostatic responses to potentially life-threatening events during sleep...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28918371/willems-method-of-dental-age-estimation-in-children-a-systematic-review-and-meta-analysis
#6
REVIEW
J S Sehrawat, Monika Singh
BACKGROUND: Age estimation from dental developmental stages is considered comparatively more accurate, reliable and precise than other methods used in forensic sciences. Willems method is the revised version of Demirjian method, based on modified dental maturity scores to estimate age of children in years for both the sexes. AIMS: To test the applicability and accuracy level of Willems method of dental age estimation in diverse population samples by quantifying the variations between the chronological and estimated ages of an individual...
August 25, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28915131/body-mass-index-and-saltwater-drowning
#7
Roger W Byard
Comparison of body mass index (BMI) was undertaken between 30 cases of salt water drowning and 30 age- and sex-matched controls randomly selected from the autopsy files of Forensic Science SA, Adelaide, Australia, during the period 2000 to 2017. The age range of drowning cases and controls was 18 to 80 (average, 49) years, with a male to female ratio of 19:11. The BMIs of the drowning cases ranged from 15.5 to 37.5 (average, 25.4; median, 23). The control cases had higher BMIs ranging from 22.9 to 44.3 (average, 29...
September 14, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28889870/the-use-of-handwriting-examinations-beyond-the-traditional-court-purpose
#8
REVIEW
Anna Agius, Kylie Jones, Rochelle Epple, Marie Morelato, Sébastien Moret, Scott Chadwick, Claude Roux
Traditionally, forensic science has predominantly focused its resources and objectives on addressing court related questions. However, this view restricts the contribution of forensic science to one function and results in lost opportunities as investigative and intelligence roles are often overlooked. A change of perspective and expansion of the contributions of forensic science is required to take advantage of the benefits of abductive and inductive thought processes throughout the investigative and intelligence functions...
September 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28889861/forensic-science-and-the-right-to-access-to-justice-testing-the-efficacy-of-self-examination-intimate-dna-swabs-to-enhance-victim-centred-responses-to-sexual-violence-in-low-resource-environments
#9
Lisa L Smith, Jon H Wetton, Gurdeep K M Lall, Heather D Flowe, Mark A Jobling
In developed countries, DNA profiling routinely forms part of the forensic strategy in the investigation of sexual violence. Medical examinations provide opportunities for recovering DNA evidence from intimate swabs, which can be particularly probative in cases where the identity of the perpetrator is unknown and proof of intercourse between two people is required. In low-resource environments, such as developing countries, remote geographic locations, conflict (and post-conflict) affected regions and displaced communities where access to medical examinations is lacking, DNA evidence is not available to support prosecutions and perpetrators are rarely identified and held accountable for crimes of sexual violence...
September 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28889860/improving-uncertainty-in-widmark-equation-calculations-alcohol-volume-strength-and-density
#10
Peter D Maskell, R Alex Speers, Dawn L Maskell
The Widmark equation is probably the most commonly used calculation for medicolegal purposes. Recently the National Research Council (USA) and the Forensic Science Regulator (UK) have called for the uncertainty of all results to be given with all forensic measurements and calculations. To improve the uncertainty of measurement of results from Widmark calculations we have concentrated on the uncertainties of measurement involved in the calculation of amount of alcohol, that of the volume of alcohol, the concentration of alcohol and the density of alcohol as previous studies have investigated some of the other factors involved...
September 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28888186/acquired-body-marks-a-mode-of-identification-in-forensics
#11
Monika Kulshreshtha, P R Mondal
Each individual regardless of sex, age and caste has a particular identification mark present on their body. This study is mainly an attempt to understand the distribution pattern of different types of acquired body marks present on the body which can be used as a marker for individual identification in Forensics. Data was collected by means of observation, interview schedule and interviews from 160 individuals of 6 multi-caste villages of Udaipur in Rajasthan, India. A wide variation was observed in the distribution patterns of various acquired body marks...
August 24, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28886214/suicidal-decapitation-by-hanging-a-population-based-study
#12
Roger W Byard, John D Gilbert
A prospective study was undertaken at Forensic Science SA over a 15-year period from July 2002 to June 2017 for all cases of adult (>18 years) suicidal hangings with decapitation. A total of 1446 cases of suicidal hangings were identified from a general population of approximately 1.5 million (1206 males-age range 18-97 years, average 42.6; and 240 females-age range 18-96 years, average 40.1). Only three cases of decapitation were found, all from long-drop hangings; these consisted of three males (ages 32-55 years; average 45 years)...
September 8, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28874020/is-pmi-the-hypothesis-or-the-null-hypothesis
#13
Aaron M Tarone, Michelle R Sanford
Over the past several decades, there have been several strident exchanges regarding whether forensic entomologists estimate the postmortem interval (PMI), minimum PMI, or something else. During that time, there has been a proliferation of terminology reflecting this concern regarding "what we do." This has been a frustrating conversation for some in the community because much of this debate appears to be centered on what assumptions are acknowledged directly and which are embedded within a list of assumptions (or ignored altogether) in the literature and in case reports...
September 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28858532/tinnitus-still-a-ghost-in-the-machine-or-a-darwinian-survival-phenomenon
#14
Sylvester Fernandes
INTRODUCTION: The causation of tinnitus continues to intrigue. Despite the plethora of publications there is no definitive path available to concentrate our efforts, in alleviating the symptom. Several mechanical theories are available in standard tinnitus literature with varying empiricism. OBJECTIVES: To investigate a possible way forward. MATERIALS AND METHODS: Employing a forensic methodology ("crime scene analysis" technique) and utilising available evidence from the related sciences, inductive and abstract reasoning, a pragmatic model incorporating the known features of tinnitus is available...
August 31, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28852538/forensic-bitemark-identification-weak-foundations-exaggerated-claims
#15
Michael J Saks, Thomas Albright, Thomas L Bohan, Barbara E Bierer, C Michael Bowers, Mary A Bush, Peter J Bush, Arturo Casadevall, Simon A Cole, M Bonner Denton, Shari Seidman Diamond, Rachel Dioso-Villa, Jules Epstein, David Faigman, Lisa Faigman, Stephen E Fienberg, Brandon L Garrett, Paul C Giannelli, Henry T Greely, Edward Imwinkelried, Allan Jamieson, Karen Kafadar, Jerome P Kassirer, Jonathan 'Jay' Koehler, David Korn, Jennifer Mnookin, Alan B Morrison, Erin Murphy, Nizam Peerwani, Joseph L Peterson, D Michael Risinger, George F Sensabaugh, Clifford Spiegelman, Hal Stern, William C Thompson, James L Wayman, Sandy Zabell, Ross E Zumwalt
Several forensic sciences, especially of the pattern-matching kind, are increasingly seen to lack the scientific foundation needed to justify continuing admission as trial evidence. Indeed, several have been abolished in the recent past. A likely next candidate for elimination is bitemark identification. A number of DNA exonerations have occurred in recent years for individuals convicted based on erroneous bitemark identifications. Intense scientific and legal scrutiny has resulted. An important National Academies review found little scientific support for the field...
December 2016: Journal of Law and the Biosciences
https://www.readbyqxmd.com/read/28846915/humanitarian-forensic-action-its-origins-and-future
#16
Stephen Cordner, Morris Tidball-Binz
Humanitarian forensic action is the application of the knowledge and skills of forensic medicine and science to humanitarian action, especially following conflicts or disasters. It has its early roots in the experience of the Argentine Forensic Anthropology Team and that of the Grandmothers of Plaza de Mayo in Argentina, is moulded by International Humanitarian and Human Rights Law and was developed by the International Committee of the Red Cross. Having demonstrated its worth, this new field of application of forensic medicine and science needs further development, integration and research...
August 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28843563/plasmonic-substrates-for-surface-enhanced-raman-scattering
#17
REVIEW
Wenbing Li, Xinchu Zhao, Zhifeng Yi, Alexey M Glushenkov, Lingxue Kong
As an advanced analytical tool, surface-enhanced Raman scattering (SERS) has broad applications in identification of colorants in paints and glazes, hazard detection to ensure food safety, biomedicine and diagnosis, environmental monitoring, detection of explosives and forensic science. In this review, main types of plasmonic substrates, which include solid substrate with metallic nanostructures and chemically synthesized noble metal colloids, and their fabrication methods are reviewed. The design principles for fabrication of ultrasensitive plasmonic substrates for SERS are presented on the basis of published literature...
September 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28834547/high-resolution-melting-hrm-of-hypervariable-mitochondrial-dna-regions-for-forensic-science
#18
Alípio Dos Santos Rocha, Isis Salviano Soares de Amorim, Tatiana de Almeida Simão, Adenilson de Souza da Fonseca, Rodrigo Grazinoli Garrido, Andre Luiz Mencalha
Forensic strategies commonly are proceeding by analysis of short tandem repeats (STRs); however, new additional strategies have been proposed for forensic science. Thus, this article standardized the high-resolution melting (HRM) of DNA for forensic analyzes. For HRM, mitochondrial DNA (mtDNA) from eight individuals were extracted from mucosa swabs by DNAzol reagent, samples were amplified by PCR and submitted to HRM analysis to identify differences in hypervariable (HV) regions I and II. To confirm HRM, all PCR products were DNA sequencing...
August 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28834545/sex-estimation-from-human-cranium-forensic-and-anthropological-interest-of-maxillary-sinus-volumes
#19
Thomas Radulesco, Justin Michel, Julien Mancini, Patrick Dessi, Pascal Adalian
Sex estimation is a key objective of forensic science. We aimed to establish whether maxillary sinus volumes (MSV) could assist in estimating an individual's sex. One hundred and three CT scans were included. MSV were determined using three-dimensional reconstructions. Two observers performed three-dimensional MSV reconstructions using the same methods. Intra- and interobserver reproducibility were statistically compared using the intraclass correlation coefficient (ICC) (α = 5%). Both intra- and interobserver reproducibility were perfect regarding MSV; both ICCs were 100%...
August 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28830023/forensic-identification-of-pharmaceuticals-via-portable-x-ray-fluorescence-and-diffuse-reflectance-spectroscopy
#20
Sarah Shutic, Somsubhra Chakraborty, Bin Li, David C Weindorf, Kathy Sperry, Dominick Casadonte
The importance of unknown substance identification in forensic science is vital to implementation or exclusion of criminal charges against an offender. While traditional laboratory measures include the use of gas chromatography/mass spectroscopy, an alternate method has been proposed to efficiently perform presumptive analyses of unknown substances at a crime scene or at airport security points. The use of portable X-ray fluorescence (PXRF) and visible near infrared diffuse reflectance spectroscopy (DRS) to determine elemental composition was applied to pharmaceutical medications (n=83), which were then categorized into 21 classifications based on their active ingredients...
August 12, 2017: Forensic Science International
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