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https://www.readbyqxmd.com/read/29223123/differentiation-of-human-blood-from-animal-blood-using-raman-spectroscopy-a-survey-of-forensically-relevant-species
#1
Kyle C Doty, Igor K Lednev
The identification of blood samples is a crucial facet of forensic investigations, particularly for violent crimes. One step in forensic serology (i.e., the analysis of bodily fluids) that is often skipped or overlooked is the determination that a bloodstain is of human or nonhuman origin. Typically, subsequent to identifying a stain as blood using a presumptive blood test, which have the propensity of providing false positive results, the stain is submitted for extraction of a DNA profile to compare with those in a database...
November 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29223112/development-of-the-handwriting-legibility-scale-hls-a-preliminary-examination-of-reliability-and-validity
#2
Anna L Barnett, Mellissa Prunty, Sara Rosenblum
BACKGROUND: Demands for the production of legible handwriting produced in a timely manner increase as children progress through school. Despite the considerable number of children faced with handwriting difficulties, there is no quick and practical tool to assess legibility in this population. AIM: The aim of this study was to develop the Handwriting Legibility Scale (HLS) and to establish the scale's reliability and validity. METHODS: The HLS is a non-language dependent scale which assesses global legibility, based on five criteria applied to samples of 'free writing'...
December 6, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29223058/discrimination-of-geographical-origin-and-detection-of-adulteration-of-kudzu-root-by-fluorescence-spectroscopy-coupled-with-multi-way-pattern-recognition
#3
Leqian Hu, Shuai Ma, Chunling Yin
In this work, fluorescence spectroscopy combined with multi-way pattern recognition techniques were developed for determining the geographical origin of kudzu root and detection and quantification of adulterants in kudzu root. Excitation-emission (EEM) spectra were obtained for 150 pure kudzu root samples of different geographical origins and 150 fake kudzu roots with different adulteration proportions by recording emission from 330 to 570nm with excitation in the range of 320-480nm, respectively. Multi-way principal components analysis (M-PCA) and multilinear partial least squares discriminant analysis (N-PLS-DA) methods were used to decompose the excitation-emission matrices datasets...
December 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29222940/an-open-conformation-of-adamts13-is-a-hallmark-of-acute-acquired-thrombotic-thrombocytopenic-purpura
#4
E Roose, A S Schelpe, B S Joly, M Peetermans, P Verhamme, J Voorberg, A Greinacher, H Deckmyn, S F De Meyer, P Coppo, A Veyradier, K Vanhoorelbeke
BACKGROUND: Acquired thrombotic thrombocytopenic purpura (aTTP) is an autoimmune disorder characterized by absent ADAMTS13 activity and presence of anti-ADAMTS13 autoantibodies. Recently it was shown that ADAMTS13 adopts a folded or an open conformation. OBJECTIVES: As conformational changes in self-antigens play a role in the pathophysiology of different autoimmune diseases, we hypothesized that the conformation of ADAMTS13 changes during acute aTTP. METHODS: Antibodies recognizing cryptic epitopes in the spacer domain were generated...
December 9, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29222840/detection-of-neuropathic-pain-in-end-stage-cancer-patients-diagnostic-accuracy-of-two-questionnaires
#5
Eleftheria Tzamakou, Anastasios Petrou, Louiza Tefa, Vassiliki Siafaka, Eleni Laou, Petros Tzimas, Georgios Pentheroudakis, Georgios Papadopoulos
INTRODUCTION: Neuropathic pain in a frequent consequence of cancer pain. Quite often, in the end stage, it is difficult to discern its presence and delineate its characters in the context of cancer painful complications. The aim of this study was to compare the diagnostic accuracy of the translated to native language DN4 and PainDETECT questionnaires, for the diagnosis of peripheral neuropathic pain in oncology patients. METHODS: End stage cancer patients that presented to the Outpatient Pain Clinic were prospectively followed...
December 8, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29222779/micropatterned-geometry-shape-oligodendrocyte-and-microglia-plasticity
#6
Cinzia Volonté, Adele De Ninno, Susanna Amadio
Cellular adhesion is essential in maintaining multicellular structure by connecting cells to each other in vivo and to a biomimetic substrate in vitro. In this context, one of the first steps toward the comprehension, for instance, of oligodendrocyte and microglia adhesion and migrating behavior consists in discriminating the different morphological features that can be acquired when cells are cultured on diverse surface topographies that mimic an in vivo three-dimensional environment. With this in mind, in this chapter, we describe how to exploit the silicon isotropic topography consisting of line-grating geometries and micropillar structures fabricated on polydimethylsiloxane by soft lithography...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29222736/usefulness-and-limitations-of-dual-layer-spectral-detector-computed-tomography-for-diagnosing-biliary-stones-not-detected-by-conventional-computed-tomography-a-report-of-three-cases
#7
Hirokazu Saito, Kana Noda, Koji Ogasawara, Shutaro Atsuji, Hiroko Takaoka, Hiroo Kajihara, Jiro Nasu, Shoji Morishita, Ikuo Matsushita, Kazuhiro Katahira
Computed tomography (CT) is useful for diagnosing biliary stones. However, the presence of stones not detected by conventional CT, such as iso-dense stones with CT numbers similar to those of bile or small stones, is problematic. Although conventional CT provides only 120-kVp images corresponding to CT numbers at approximately 70 keV, dual-layer spectral detector CT uses one X-ray source and dual-layer detectors to collect low- and high-energy data simultaneously; retrospective spectral analysis, including virtual monochromatic images with photon energy levels of 40-200 keV, material decomposition images, and spectral curves, can be immediately performed on demand...
December 8, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29222676/intravoxel-incoherent-motion-mr-imaging-of-early-cervical-carcinoma-correlation-between-imaging-parameters-and-tumor-stroma-ratio
#8
Xiangsheng Li, Ping Wang, Dechang Li, Hongxian Zhu, Limin Meng, Yunlong Song, Lizhi Xie, Jianping Zhu, Tao Yu
OBJECTIVES: To investigate if intravoxel incoherent motion (IVIM) MR imaging can predict the tumour-stroma ratio (TSR) in patients with early cervical carcinoma. METHODS: Fifty-four patients with early cervical carcinoma were prospectively enrolled into this study. All patients underwent IVIM imaging and parameters including D, D* and f value were measured. The tumours were classified into stroma-rich and stroma-poor group according to TSR, and comparisons of IVIM parameters between two groups were performed...
December 8, 2017: European Radiology
https://www.readbyqxmd.com/read/29222636/identification-introgression-and-molecular-marker-genetic-analysis-and-selection-of-a-highly-effective-novel-oat-crown-rust-resistance-from-diploid-oat-avena-strigosa
#9
Howard W Rines, Marisa E Miller, Martin Carson, Shiaoman Chao, Tyler Tiede, Jochum Wiersma, Shahryar F Kianian
Oat crown rust is one of the most damaging diseases of oat. We identified a new source of resistance and developed KASP and TaqMan markers for selection in breeding programs. A new highly effective resistance to oat crown rust (Puccinia coronata f. sp. avenae) was identified in the diploid oat Avena strigosa PI 258731 and introgressed into hexaploid cultivated oat. Young plants with this resistance show moderate susceptibility, whereas older plant tissues and adult plants are resistant with no virulent isolates encountered in over 8 years of testing...
December 6, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29222609/evaluating-cognition-in-individuals-with-huntington-disease-neuro-qol-cognitive-functioning-measures
#10
Jin-Shei Lai, Siera Goodnight, Nancy R Downing, Rebecca E Ready, Jane S Paulsen, Anna L Kratz, Julie C Stout, Michael K McCormack, David Cella, Christopher Ross, Jenna Russell, Noelle E Carlozzi
PURPOSE: Cognitive functioning impacts health-related quality of life (HRQOL) for individuals with Huntington disease (HD). The Neuro-QoL includes two patient-reported outcome (PRO) measures of cognition-Executive Function (EF) and General Concerns (GC). These measures have not previously been validated for use in HD. The purpose of this analysis is to evaluate the reliability and validity of the Neuro-QoL Cognitive Function measures for use in HD. METHODS: Five hundred ten individuals with prodromal or manifest HD completed the Neuro-QoL Cognition measures, two other PRO measures of HRQOL (WHODAS 2...
December 8, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/29222469/hippocampal-oxytocin-receptors-are-necessary-for-discrimination-of-social-stimuli
#11
Tara Raam, Kathleen M McAvoy, Antoine Besnard, Alexa Veenema, Amar Sahay
Oxytocin receptor (Oxtr) signaling in neural circuits mediating discrimination of social stimuli and affiliation or avoidance behavior is thought to guide social recognition. Remarkably, the physiological functions of Oxtrs in the hippocampus are not known. Here we demonstrate using genetic and pharmacological approaches that Oxtrs in the anterior dentate gyrus (aDG) and anterior CA2/CA3 (aCA2/CA3) of mice are necessary for discrimination of social, but not non-social, stimuli. Further, Oxtrs in aCA2/CA3 neurons recruit a population-based coding mechanism to mediate social stimuli discrimination...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222100/diversity-of-lactococcus-lactis-in-undefined-mixed-dairy-starter-cultures-revealed-by-comparative-genome-analyses-and-targeted-amplicon-sequencing-of-epsd
#12
Cyril A Frantzen, Hans Petter Kleppen, Helge Holo
Undefined mesophilic mixed (DL) starter cultures are used in the production of continental cheeses and contain unknown strain mixtures of Lactococcus lactis and leuconostocs. The choice of starter culture affects the taste, aroma and quality of the final product. To gain insight into the diversity of Lactococcus lactis strains in starter cultures, we whole-genome sequenced 95 isolates from three different starter cultures. Pan-genomic analyses, which included 30 publically available complete genomes, grouped the strains into 21 subsp...
December 8, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29221916/dna-methylation-signatures-at-endoplasmic-reticulum-stress-genes-are-associated-with-adiposity-and-insulin-resistance
#13
Omar Ramos-Lopez, Jose I Riezu-Boj, Fermin I Milagro, J Alfredo Martinez
A sustained activation of the unfolded protein response and the subsequent endoplasmic reticulum (ER) stress has been involved in the onset and severity of several metabolic diseases. The aim of this study was to analyze the association of DNA methylation signatures at ER stress genes with adiposity traits and related metabolic disorders. An epigenomic analysis within the Methyl Epigenome Network Association (MENA) project was conducted in an adult population (n=474). DNA methylation status in peripheral white blood cells was analyzed by a microarray approach...
November 28, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29221886/a-model-including-sarcopenia-surpasses-the-meld-score-in-predicting-waiting-list-mortality-in-cirrhotic-liver-transplant-candidates
#14
Jeroen Laurens Ad van Vugt, Louise Johanna Maria Alferink, Stefan Buettner, Marcia Patricia Gaspersz, Daphne Bot, Sarwa Darwish Murad, Shirin Feshtali, Peter Martinus Adranius van Ooijen, Wojciech Grzegorz Polak, Robert Jan Porte, Bart van Hoek, Aad Pieter van den Berg, Herold Johnny Metselaar, Jan Nicolaas Maria IJzermans
BACKGROUND AND AIMS: Frail patients with low MELD scores may be underprioritised. Low skeletal muscle mass (i.e. sarcopenia) has been identified as risk factor for waiting list mortality and a recent study proposed to incorporate sarcopenia in the MELD score (i.e. MELD-Sarcopenia score). We aimed to investigate the association between sarcopenia and waiting list mortality, and to validate the MELD-Sarcopenia score (i.e. MELD+10.35∗Sarcopenia). METHODS: We identified consecutive patients with cirrhosis listed for liver transplantation in the Eurotransplant registry between 2007-2014 and measured skeletal muscle mass on computed tomography (CT)...
December 5, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29221843/a-comparison-of-the-accuracy-of-clinician-prediction-of-survival-versus-the-palliative-prognostic-index
#15
Paige Farinholt, Minjeong Park, Ying Guo, Eduardo Bruera, David Hui
CONTEXT: Survival predictions for advanced cancer patients impact many aspects of care, but the accuracy of clinician prediction of survival (CPS) is low. Prognostic tools such as the Palliative Prognostic Index (PPI) have been proposed to improve accuracy of predictions. However, it is not known if PPI is better than CPS at discriminating survival. OBJECTIVE: We compared the prognostic accuracy of CPS to PPI in patients with advanced cancer. METHODS: This was a prospective study in which palliative care physicians at our tertiary care cancer center documented both the PPI and CPS in hospitalized patients with advanced cancer...
December 5, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29221787/evaluation-of-alternative-serum-biomarkers-to-monitor-the-progression-of-chronic-hbv-and-hcv-infection
#16
S Tsiomita, U Georgopoulou, P P Doumba, J Koskinas, K Adamidis, C Papaloukas, G Thyphronitis
Chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are among the most serious health conditions affecting about 600 million people worldwide leading to a number of severe liver diseases. Due to the lack of warning signs or mild symptoms during the early stage of the infection, a molecular signature associated with disease progression would be useful. Based on our recent paper where candidate biomarkers were determined through topological and modularity analysis of protein interaction networks (PINs), this study was focused on the evaluation of MIF, TNFRSF1A, FAS and TMSB4X as diagnostic biomarkers in chronic HBV and HCV infections...
December 5, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29221427/validity-of-the-dutch-modified-paindetect-questionnaire-for-patients-with-hip-or-knee-osteoarthritis
#17
Wietske Rienstra, Tim Blikman, Baukje Dijkstra, Jos van Raay, Geranda Slager, Sjoerd Bulstra, Martin Stevens, Inge van den Akker-Scheek
BACKGROUND: The modified painDETECT questionnaire (PDQ) is a self-reported questionnaire to discriminate between nociceptive and neuropathic-like pain in patients with knee/hip osteoarthritis (OA). This study aims to assess the structural and construct validity of this questionnaire. METHODS: Confirmatory factor analysis and hypothesis-testing was used. For 168 patients, predefined hypotheses were formulated on the correlation between the modified painDETECT and several other questionnaires, and in a subsample of 46 with pain pressure thresholds (PPTs)...
December 8, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29221111/nasopharyngeal-carcinoma-risk-prediction-via-salivary-detection-of-host-and-epstein-barr-virus-genetic-variants
#18
Qian Cui, Fu-Tuo Feng, Miao Xu, Wen-Sheng Liu, You-Yuan Yao, Shang-Hang Xie, Xi-Zhao Li, Zu-Lu Ye, Qi-Sheng Feng, Li-Zhen Chen, Jin-Xin Bei, Lin Feng, Qi-Hong Huang, Wei-Hua Jia, Su-Mei Cao, Ellen T Chang, Weimin Ye, Hans-Olov Adami, Yi-Xin Zeng
Genetic susceptibility and Epstein-Barr virus (EBV) infection are important etiological factors in nasopharyngeal carcinoma (NPC). In this study, in southern China, where NPC is endemic, a single nucleotide polymorphism (SNP) in the EBV-encoded RPMS1 gene (locus 155391: G > A [G155391A]) and seven host SNPs (rs1412829, rs28421666, rs2860580, rs2894207, rs31489, rs6774494, and rs9510787) were confirmed to be significantly associated with NPC risk in 50 NPC cases versus 54 hospital-based controls with throat washing specimens and 1925 NPC cases versus 1947 hospital-based controls with buffy coat samples, respectively...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221100/automated-detection-of-cloud-and-aerosol-features-with-sacol-micro-pulse-lidar-in-northwest-china
#19
Hailing Xie, Tian Zhou, Qiang Fu, Jianping Huang, Zhongwei Huang, Jianrong Bi, Jinsen Shi, Beidou Zhang, Jinming Ge
The detection of cloud and aerosols using a modified retrieval algorithm solely for a ground-based micropulse lidar (MPL) is presented, based on one-year data at the Semi-Arid Climate Observatory and Laboratory (SACOL) site (35.57°N, 104.08°E, 1965.8 m), northwest of China, from March 2011 to February 2012. The work not only identifies atmosphere particle layers by means of the range-dependent thresholds based on elastic scattering ratio and depolarization ratio, but also discriminates the detected layers by combining empirical thresholds of the atmosphere's thermodynamics states and scattering properties and continuous wavelet transform (CWT) analyses...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29220870/quantitative-assessment-of-informative-immunophenotypic-markers-increases-the-diagnostic-value-of-immunophenotyping-in-mature-cd5-positive-b-cell-neoplasms
#20
Starostka David, Kriegova Eva, Kudelka Milos, Mikula Peter, Zehnalova Sarka, Radvansky Martin, Papajik Tomas, Kolacek David, Chasakova Katerina, Talianova Hana
BACKGROUND: The data on the clinical utility of the quantitative assessment of immunophenotypes in distinguishing mature CD5-positive B-cell neoplasms is limited. The study aim was to assess the diagnostic value of the quantitative assessment of a panel of 18 markers and to identify the most informative ones. METHODS: The immunophenotype of the neoplastic population was determined in diagnostic specimens from 188 patients. BD FACSCanto II flow cytometer and FACSDiva software were used to analyse the positivity/negativity and mean fluorescence intensity (MFI) of the surface expression of 18 markers...
December 8, 2017: Cytometry. Part B, Clinical Cytometry
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