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https://www.readbyqxmd.com/read/29684945/-it-s-going-to-be-extra-fun-analysis-of-an-atypical-case-of-teen-homicide-as-leisure-behavior
#1
D J Williams, Jolene Vincent
Recently, scholars in literary criminology and leisure sciences have begun to explore the role of broader leisure culture in potentially shaping fantasy development, planning, preparation, and execution in specific cases of expressive homicide. This brief report focuses on an unusual case of expressive homicide, wherein two teen offenders in Idaho collaborated to murder a female classmate as an intentional leisure activity. Prior to the murder, the offenders created a videotape describing how they planned to commit this (and additional) murders...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684944/comparing-categorical-and-probabilistic-fingerprint-evidence
#2
Brandon Garrett, Gregory Mitchell, Nicholas Scurich
Fingerprint examiners traditionally express conclusions in categorical terms, opining that impressions do or do not originate from the same source. Recently, probabilistic conclusions have been proposed, with examiners estimating the probability of a match between recovered and known prints. This study presented a nationally representative sample of jury-eligible adults with a hypothetical robbery case in which an examiner opined on the likelihood that a defendant's fingerprints matched latent fingerprints in categorical or probabilistic terms...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684942/reanalysis-of-the-trotter-tibia-quandary-and-its-continued-effect-on-stature-estimation-of-past-conflict-service-members
#3
Jeffrey James Lynch, Carrie Brown, Andrea Palmiotto, Heli Maijanen, Franklin Damann
Forensic casework from past-conflicts relies on the corrected historical Trotter data for stature estimation in Fordisc. For roughly 10 years', stature estimation using this data has produced point estimates for the tibia that are on average 1.25 inches less than the other long bones. This issue was identified after applying the equations derived from Fordisc to the USS Oklahoma commingled assemblage. Reevaluation of Fordisc revealed that a correction factor of 20 mm, instead of 10 mm, was mistakenly applied to the Trotter tibia data...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684940/evaluation-of-total-nitrite-pattern-visualization-as-an-improved-method-for-gunshot-residue-detection-and-its-application-to-casework-samples
#4
Jason Berger, Colin Upton, Elyah Springer
Visualization of nitrite residues is essential in gunshot distance determination. Current protocols for the detection of nitrites include, among other tests, the Modified Griess Test (MGT). This method is limited as nitrite residues are unstable in the environment and limited to partially burned gunpowder. Previous research demonstrated the ability of alkaline hydrolysis to convert nitrates to nitrites, allowing visualization of unburned gunpowder particles using the MGT. This is referred to as Total Nitrite Pattern Visualization (TNV)...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684939/loose-lipped-mobile-device-intelligent-personal-assistants-a-discussion-of-information-gleaned-from-siri-on-locked-ios-devices
#5
Graeme Horsman
The forensic analysis of mobile handsets is becoming a more prominent factor in many criminal investigations. Despite such devices frequently storing relevant evidential content to support an investigation, accessing this information is becoming an increasingly difficult task due to enhanced effective security features. Where access to a device's resident data is not possible via traditional mobile forensic methods, in some cases it may still be possible to extract user information via queries made to an installed intelligent personal assistant...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684937/the-swedish-school-attack-in-trollh%C3%A3-ttan
#6
Åsa Erlandsson, J Reid Meloy
This is a case report of the offender and offense characteristics of a targeted attack on a Swedish school using a sword, with a particular focus upon the offender's history, the relationship between mental disorder and ideology, and whether or not it was an act of terrorism. Findings indicate that the offender had no drug or psychiatric treatment history, but postoffense analysis suggests autism spectrum disorder, depression, and both suicidal ideation and intent. The offender planned and prepared for his attack, and the triggering event appeared to be the loss of a temporary job...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684935/facial-asymmetry-based-age-group-estimation-role-in-recognizing-age-separated-face-images
#7
Muhammad Sajid, Imtiaz Ahmad Taj, Usama Ijaz Bajwa, Naeem Iqbal Ratyal
Face recognition aims to establish the identity of a person based on facial characteristics. On the other hand, age group estimation is the automatic calculation of an individual's age range based on facial features. Recognizing age-separated face images is still a challenging research problem due to complex aging processes involving different types of facial tissues, skin, fat, muscles, and bones. Certain holistic and local facial features are used to recognize age-separated face images. However, most of the existing methods recognize face images without incorporating the knowledge learned from age group estimation...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684934/-optimal-medical-therapy-and-secondary-prevention-in-patients-after-an-acute-coronary-syndrome
#8
Barbara E Stähli, Ulf Landmesser
Antithrombotic therapy and other secondary preventive measures such as lifestyle changes, lipid lowering and blood pressure control, along with coronary revascularization strategies, can markedly improve clinical outcomes in patients after an acute coronary syndrome. Current guideline-recommended secondary preventive measures in patients with a recent acute coronary syndrome event according to the European Society of Cardiology (ESC) are summarized in this review.
May 2018: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29684925/minimally-invasive-resection-of-deep-seated-high-grade-gliomas-using-tubular-retractors-and-exoscopic-visualization
#9
Rajiv Iyer, Kaisorn L Chaichana
BACKGROUND AND STUDY AIMS/OBJECTIVE:  Deep-seated high-grade gliomas (HGGs) represent a unique surgical challenge because they reside deep to critical cortical and subcortical structures and infiltrate functional areas of the brain. Therefore, accessing and resecting these tumors can often be challenging and associated with significant morbidity. We describe the use of minimally invasive approaches to access deep-seated HGGs to achieve extensive resections while minimizing surgical morbidity...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684924/fixation-strength-of-pedicle-and-cortical-lumbar-vertebral-screws-after-laminectomy-a-cadaver-study
#10
Dai-Soon Kwak, Jae-Hyuk Shin, Ho-Jung Cho, Ho Guen Chang, Moon Soo Park, In-Sung Kim
BACKGROUND AND STUDY AIM:  Cortical screws were proposed as an alternative to the traditional pedicle screws. Diverse experimental results support the biomechanical superiority of cortical screws compared to pedicle screws. Laminectomy is often part of multilevel lumbar surgeries. Laminectomy might weaken the medial bony edge at the entry of the divergently oriented screw and, thereby, the screw purchase. This study investigated the biomechanical strength of lumbar cortical screw after laminectomy...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684923/percutaneous-endoscopic-interlaminar-unilateral-ventral-dural-approach-for-symptomatic-bilateral-l5-s1-herniated-nucleus-pulposus-technical-note
#11
Sung Ho Choi, Nitin Maruti Adsul, Hyeun Sung Kim, Ki Joon Kim, Jeong Hoon Kim, Sung Kyun Chung, Jeong Hoon Choi, Jee Soo Jang, Il Tae Jang, Seong Hoon Oh
BACKGROUND:  Percutaneous endoscopic lumbar diskectomy is a good treatment modality for lumbar disk herniation. However, when a patient complains of bilateral lower limb radicular pain with severe disk protrusion at the L5-S1 level, the transforaminal approach is often unable to resolve both lesions owing to anatomical limitations. It is also very difficult to resolve both lesions in an ipsilateral direction using the percutaneous interlaminar approach. We report our surgical technique and clinical results using a ventral dural approach of percutaneous endoscopic interlaminar lumbar diskectomy for L5-S1 herniated nucleus pulposus (HNP) in patients with bilateral radiculopathy due to a severe disk protrusion...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684917/co2-permeability-of-rat-hepatocytes-and-relation-of-co2-permeability-to-co2-production
#12
Mariela Arias-Hidalgo, Qinggong Yuan, Fabrizio Carta, Claudiu T Supuran, Gerolf Gros, Volker Endeward
BACKGROUND/AIMS: It has been described that cells in culture with very low oxidative metabolism possess a low CO2 membrane permeability, PCO2, of ∼ 0.01 cm/s. On the other hand, cardiomyocytes and mitochondria with extremely high rates of O2 consumption exhibit very high CO2 membrane permeabilities of 0.1 and 0.3 cm/s, repectively. To ascertain that this represents a systematic relationship, we determine here PCO2 of hepatocytes, which exhibit an intermediate rate of O2 consumption...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29684916/predictors-of-rapid-cognitive-decline-in-patients-with-mild-to-moderate-alzheimer-disease-a-prospective-cohort-study-with-12-month-follow-up-performed-in-memory-clinics
#13
Achille E Tchalla, Jean-Pierre Clément, Isabelle Saulnier, Betty Beaumatin, Florent Lachal, Caroline Gayot, Anaïs Bosetti, Iléana Desormais, Anaïck Perrochon, Pierre-Marie Preux, Philippe Couratier, Thierry Dantoine
BACKGROUND/AIMS: Alzheimer disease (AD) is particularly devastating, with no cure, no means of prevention, and no proven way to slow progression. AD is associated with the worsening of cognitive function attributable to a variety of factors of which little is known. Our main objective was to determine factors associated with rapid cognitive decline (RCD) in older AD patients. METHODS: We conducted a 12-month, prospective, multi-centre cohort study. Community-living individuals aged ≥65 years with mild-to-moderate AD were included...
April 23, 2018: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/29684913/does-trade-liberalization-reduce-child-mortality-in-low-and-middle-income-countries-a-synthetic-control-analysis-of-36-policy-experiments-1963-2005
#14
Pepita Barlow
Scholars have long argued that trade liberalization leads to lower rates of child mortality in developing countries. Yet current scholarship precludes definitive conclusions about the magnitude and direction of this relationship. Here I analyze the impact of trade liberalization on child mortality in 36 low- and middle-income countries, 1963-2005, using the synthetic control method. I test the hypothesis that trade liberalization leads to lower rates of child mortality, examine whether this association varies between countries and over time, and explore the potentially modifying role of democratic politics, historical context, and geographic location on the magnitude and direction of this relationship...
April 6, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29684910/forensic-applications-of-supercritical-fluid-chromatography-mass-spectrometry
#15
REVIEW
Volodymyr Pauk, Karel Lemr
Achievements of supercritical fluid chromatography with mass spectrometric detection made in the field of forensic science during the last decade are reviewed. The main topics include analysis of traditional drugs of abuse (e.g. cannabis, methamphetamine) as well as new psychoactive substances (synthetic cannabinoids, cathinones and phenethylamines), doping agents (anabolic steroids, stimulants, diuretics, analgesics etc.) and chemical warfare agents. Control of food authenticity, detection of adulteration and identification of toxic substances in food are also pointed out...
April 11, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29684909/hyphenation-of-size-exclusion-chromatography-to-native-ion-mobility-mass-spectrometry-for-the-analytical-characterization-of-therapeutic-antibodies-and-related-products
#16
Anthony Ehkirch, Oscar Hernandez-Alba, Olivier Colas, Alain Beck, Davy Guillarme, Sarah Cianférani
Mass spectrometry performed in non-denaturing conditions (native MS), and its hyphenation to ion mobility spectrometry (IM-MS), have gained interest for the qualitative and quantitative characterization of intact monoclonal antibody-related (mAb) products. However, one main drawback is the manual sample preparation, which hampers its routine use in high throughput automated environments. Size exclusion chromatography (SEC) appears as an interesting technique to perform online buffer exchange in an automated way...
April 12, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29684908/chemometrics-assisted-investigation-of-interactions-of-tasmar-with-human-serum-albumin-at-a-glassy-carbon-disk-application-to-electrochemical-biosensing-of-electro-inactive-serum-albumin
#17
Ghobad Mohammadi, Elahe Faramarzi, Majid Mahmoudi, Sirous Ghobadi, Ali Reza Ghiasvand, Hector C Goicoechea, Ali R Jalalvand
In this work, voltammetric data recorded by a glassy carbon electrode (GCE) was used to investigate the interactions of tolcapone (Tasmar, TAS) with human serum albumin (HSA) at the electrode surface. The recorded voltammetric data was also combined with spectroscopic data to construct an augmented data matrix which was analysed by multivariate curve resolution-alternating least squares (MCR-ALS) as an efficient chemometric tool to obtain more information about TAS-HSA interactions. The results of MCR-ALS confirmed formation of one complex species (HSA-TAS2 ) and application of MCR-BANDS to the results of MCR-ALS confirmed the absence of rotational ambiguities and existing unambiguous and reliable results...
April 17, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29684907/efficiency-of-extraction-and-conversion-of-pseudoephedrine-to-methamphetamine-from-tamper-resistant-and-non-tamper-resistant-formulations
#18
Brandon Presley, Bob Bianchi, John Coleman, Fran Diamond, Gerry McNally
Clandestine chemists have demonstrated an ability to convert commercially available pseudoephedrine formulations to methamphetamine. Some of these formulations have properties that manufacturers claim limit or block the extraction of pseudoephedrine and its direct conversion to methamphetamine. In this study, 3 commercially available pseudoephedrine formulations were evaluated for ease of extraction and conversion to methamphetamine using a common chemistry technique called the one-pot method that is frequently employed by clandestine chemists...
April 16, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29684905/entanglement-and-decoherence-in-electron-microscopy
#19
P Schattschneider, S Löffler
Interaction of the probe with the specimen in an electron microscope inevitably leads to entanglement between the probe and the scatterer. In spite of the importance of entanglement in many areas of modern physics, this subject has not been touched in the literature. Here, we develop some ideas about entanglement in electron microscopy for a number of scattering mechanisms. The relationship between entropy, density matrices, and coherence is discussed. In addition, we explore the questions "Why is Bragg scattering coherent and energy loss incoherent?" and "When does decoherence play a role?" It seems to be possible to measure decoherence on extremely short timescales of ∼10-8 s...
April 13, 2018: Ultramicroscopy
https://www.readbyqxmd.com/read/29684903/repurposing-itraconazole-to-the-benefit-of-skin-cancer-treatment-a-combined-azole-ddab-nanoencapsulation-strategy
#20
C Carbone, C Martins-Gomes, V Pepe, A M Silva, T Musumeci, G Puglisi, P M Furneri, E B Souto
In this work, we aimed at developing an improved topical SLN formulation combining itraconazole delivery with a coating layer of didodecyldimethylammonium bromide, thus repurposing the drug effectiveness by synergistic skin anticancer effectiveness. In order to obtain a stable SLN formulation with small homogeneously dispersed particles, a deep formulative study was developed screening three different solid lipids (Suppocire NB, Cetyl Palmitate and Dynasan 114) for the SLN preparation by the phase inversion temperature...
April 17, 2018: Colloids and Surfaces. B, Biointerfaces
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