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https://www.readbyqxmd.com/read/29031151/fabrication-of-green-dye-sensitized-solar-cell-based-on-zno-nanoparticles-as-a-photoanode-and-graphene-quantum-dots-as-a-photo-sensitizer
#1
Golnoush Zamiri, Samira Bagheri
Zero-dimensional graphene quantum dots (GQDs) consist of single- or few-layer graphene with a size less than 20 nm and stand for a new type of QDs with unique properties combining the graphene nature and size-resulted quantum effects. GQDs possess unique optical and electronic properties, and in particular possess a band-gap less than 2.0 eV because of quantum confinement and edge effects. In this study, we investigated the performance of DSSCs using different thicknesses of ZnO nanoparticles as a photo-anode and GQDs as a green photosensitizer...
October 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29031150/the-construction-of-carbon-coated-fe3o4-yolk-shell-nanocomposites-based-on-volume-shrinkage-from-the-release-of-oxygen-anions-for-wide-band-electromagnetic-wave-absorption
#2
Kan Wang, Gengping Wan, Guilong Wang, Zhengyi He, Shaohua Shi, Lihong Wu, Guizhen Wang
The demand for microwave absorbing materials with strong absorption capability and wide absorption band is increasing due to serious electromagnetic interference issues and defense stealth technology needs. Here the carbon-coated Fe3O4 (Fe3O4@C) yolk-shell composites were successfully synthesized in a large scale for the application of microwave absorption through an in-situ reduction process from carbon-coated γ-Fe2O3 precursor. The results show that the Fe3O4 nanoparticles are uniformly coated with a thin carbon layer about 10nm in thickness and a clear void about 1 nm in width between Fe3O4 core and carbon shell are formed due to the volume shrinkage during the reduction treatment...
October 6, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29031097/the-tall-and-the-short-of-it-an-investigation-of-height-ideals-height-preferences-height-dissatisfaction-heightism-and-height-related-quality-of-life-impairment-among-sexual-minority-men
#3
Scott Griffiths, Stuart B Murray, Aimee Medeiros, Aaron J Blashill
Human height has attracted empirical interest from a variety of psychological perspectives. However, little research has explored height from the perspective of sexual minority men, inclusive of their height beliefs, height preferences, height dissatisfaction, experiences of heightism, and height-related quality of life impairment. We explored these height variables in 2733 sexual minority men who completed a survey distributed nationwide to Australian and New Zealander users of geosocial-networking smartphone applications...
October 11, 2017: Body Image
https://www.readbyqxmd.com/read/29031045/structural-characterization-of-the-man5-glycoform-of-human-igg3-fc
#4
Ishan S Shah, Scott Lovell, Nurjahan Mehzabeen, Kevin P Battaile, Thomas J Tolbert
Immunoglobulin G (IgG) consists of four subclasses in humans: IgG1, IgG2, IgG3 and IgG4, which are highly conserved but have unique differences that result in subclass-specific effector functions. Though IgG1 is the most extensively studied IgG subclass, study of other subclasses is important to understand overall immune function and for development of new therapeutics. When compared to IgG1, IgG3 exhibits a similar binding profile to Fcγ receptors and stronger activation of complement. All IgG subclasses are glycosylated at N297, which is required for Fcγ receptor and C1q complement binding as well as maintaining optimal Fc conformation...
October 11, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29031034/-potential-of-using-vitamin-d-as-an-adjuvant-treatment-of-malignant-melanoma
#5
B Bolerázska, E Ďurovcová, M Mareková
The incidence of malignant melanoma worldwide continues to grow despite the enormous advances in topical and systemic therapy. This increase is recorded regularly even in countries where, as a result of public health campaigns, dermatological examination and subsequent treatment have become more frequent. However, there have been reports of a stable or even decreasing mortality rate that seem to contradict the objective increase in its incidence. The well-known risk factors for malignant melanoma include sunburns and occasional sunbathing, whereas regular sunbathing is associated with a lower incidence...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29029356/total-hip-arthroplasty-dislocation-after-cardioversion-a-case-report
#6
Ahmed Siddiqi, Carl T Talmo, James V Bono
New onset postoperative atrial fibrillation (AF) is the most common perioperative arrhythmia in the elderly. The incidence after total joint arthroplasty is much lower than other non-cardiac surgeries. Since postoperative atrial fibrillation can cause increased length of hospital stay, mortality, and healthcare costs, it is critical to focus on prevention and prompt management. New onset atrial fibrillation is treated with rhythm control for patients who demonstrate hemodynamic instability or refractory to rate control measures...
October 12, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29029333/more-than-counting-an-intraindividual-variability-approach-to-categorical-repeated-measures
#7
Rachel E Koffer, Nilam Ram, David M Almeida
Objectives: Age-related differences in daily experiences are often described using summaries of categorical repeated measures, including typologies of stressors, activities, social partners, and coping strategies. This paper illustrates how an intraindividual variability (IIV) framework can be used to extract additional meaning from categorical IIV data. Method: Using 8-occasion categorical data on daily stressors from the National Study of Daily Experiences (N = 1,499, MAge = 46...
September 27, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/29029329/a-new-anthropophilic-species-of-simulium-trichodagmia-diptera-simuliidae-from-amazonia-morphology-chromosomes-and-dna-sequences
#8
Jeane Marcelle Cavalcante Do Nascimento, Neusa Hamada, Vanderly Andrade-Souza, Peter H Adler
The black fly Simulium (Trichodagmia) hirtipupa Lutz (Diptera: Simuliidae) is widely distributed in southern Brazil, with one report from Amapá state in the northern region of Brazilian Amazonia. Morphological comparison of northern and southern populations revealed differences in all life stages, corroborated by chromosomal and molecular analyses, and indicated that the population previously identified as S. hirtipupa from Amapá state represents an undescribed species. This new species is described based on all life stages above the egg, and its chromosomal and molecular divergence from S...
October 2, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29029304/conventional-and-advanced-imaging-of-spine-oncologic-disease-nonoperative-post-treatment-effects-and-unique-spinal-conditions
#9
Falgun H Chokshi, Meng Law, Wende N Gibbs
In this review, we discuss the imaging features of diseases and conditions ranging from neoplastic to nonoperative post-treatment effects to unique conditions of the spine. Additionally, advanced imaging may increase diagnostic certainty in cases where conventional imaging characteristics of benign lesions and malignant pathology are variable.
October 6, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29029271/sequence-and-structural-diversity-of-mouse-y-chromosomes
#10
Andrew P Morgan, Pardo-Manuel de Villena Fernando
Over the 180 million years since their origin, the sex chromosomes of mammals have evolved a gene repertoire highly specialized for function in the male germline. The mouse Y chromosome is unique among mammalian Y chromosomes characterized to date in that it is large, gene-rich and euchromatic. Yet little is known about its diversity in natural populations. Here we take advantage of published whole-genome sequencing data to survey the diversity of sequence and copy number of sex-linked genes in three subspecies of house mice...
September 25, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29029214/sleepless-night-and-day-the-plight-of-progressive-supranuclear-palsy
#11
Christine M Walsh, Leslie Ruoff, Kathleen Walker, Alaisa Emery, Jonathan Varbel, Elissaios Karageorgiou, Phi N Luong, Irida Mance, Hilary W Heuer, Adam L Boxer, Lea T Grinberg, Joel H Kramer, Bruce L Miller, Thomas C Neylan
Objectives: To elucidate the unique sleep and waking characteristics in progressive supranuclear palsy (PSP), a neurodegenerative disease associated with motor deficits and dementia that largely affects the brainstem and thalamic regions. Methods: 20 PSP and 16 healthy older adult controls participated in this study. Participants underwent an overnight polysomnography and multiple sleep latency test (MSLT) the following day. Prior to the MSLT last trial, participants were asked to complete the Stanford Sleepiness Scale...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029138/the-female-genital-tract-microbiome-is-associated-with-vaginal-antiretroviral-drug-concentrations-in-human-immunodeficiency-virus-infected-women-on-antiretroviral-therapy
#12
Renee Donahue Carlson, Anandi N Sheth, Timothy D Read, Michael B Frisch, C Christina Mehta, Amy Martin, Richard E Haaland, Anar S Patel, Chou-Pong Pau, Colleen S Kraft, Igho Ofotokun
Background: The female genital tract (FGT) microbiome may affect vaginal pH and other factors that influence drug movement into the vagina. We examined the relationship between the microbiome and antiretroviral concentrations in the FGT. Methods: Over one menstrual cycle, 20 human immunodeficiency virus (HIV)-infected women virologically suppressed on tenofovir (TFV) disoproxil fumarate/emtricitabine and ritonavir-boosted atazanavir (ATV) underwent serial paired cervicovaginal and plasma sampling for antiretroviral concentrations using high-performance liquid chromatography-tandem mass spectrometry...
October 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29029119/the-end-of-the-unique-myocardial-band-part-ii-clinical-and-functional-considerations
#13
David H MacIver, John B Partridge, Peter Agger, Robert S Stephenson, Bastiaan J D Boukens, Camilla Omann, Jonathan C Jarvis, Henggui Zhang
Two of the leading concepts of mural ventricular architecture are the unique myocardial band and the myocardial mesh model. We have described, in an accompanying article published in this journal, how the anatomical, histological and high-resolution computed tomographic studies strongly favour the latter concept. We now extend the argument to describe the linkage between mural architecture and ventricular function in both health and disease. We show that clinical imaging by echocardiography and magnetic resonance imaging, and electrophysiological studies, all support the myocardial mesh model...
September 25, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29029074/multimodality-imaging-evaluation-of-chagas-disease-an-expert-consensus-of-brazilian-cardiovascular-imaging-department-dic-and-the-european-association-of-cardiovascular-imaging-eacvi
#14
Maria Carmo P Nunes, Luigi Paolo Badano, J Antonio Marin-Neto, Thor Edvardsen, Covadonga Fernández-Golfín, Chiara Bucciarelli-Ducci, Bogdan A Popescu, Richard Underwood, Gilbert Habib, Jose Luis Zamorano, Roberto Magalhães Saraiva, Ester Cerdeira Sabino, Fernando A Botoni, Márcia Melo Barbosa, Marcio Vinicius L Barros, Eduardo Falqueto, Marcus Vinicius Simões, André Schmidt, Carlos Eduardo Rochitte, Manoel Otávio Costa Rocha, Antonio Luiz Pinho Ribeiro, Patrizio Lancellotti
Aims: To develop a document by Brazilian Cardiovascular Imaging Department (DIC) and the European Association of Cardiovascular Imaging (EACVI) to review and summarize the most recent evidences about the non-invasive assessment of patients with Chagas disease, with the intent to set up a framework for standardized cardiovascular imaging to assess cardiovascular morphologic and functional disturbances, as well as to guide the subsequent process of clinical decision-making. Methods and results: Chagas disease remains one of the most prevalent infectious diseases in Latin America, and has become a health problem in non-endemic countries...
September 25, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29029002/infrared-intraoperative-fluorescence-imaging-using-indocyanine-green-in-thoracic-surgery
#15
Olugbenga T Okusanya, Nicholas R Hess, James D Luketich, Inderpal S Sarkaria
Thoracic surgery faces many unique challenges that require innovative solutions. The increase in utilization of minimally invasive practices, poor overall cancer survival and significant morbidity of key operations remain key obstacles to overcome. Intraoperative fluorescence imaging is a process by which fluorescent dyes and imaging systems are used as adjuncts for surgeons in the operating room. Other surgical subspecialists have shown that intraoperative fluorescence imaging can be applied as a practical adjunct to their practices...
September 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29028909/the-systematic-analysis-of-ultraconserved-genomic-regions-in-the-budding-yeast
#16
Zhi-Kai Yang, Feng Gao
Motivation: In the evolution of species, a kind of special sequences, termed ultraconserved sequences (UCSs), have been inherited without any change, which strongly suggests those sequences should be crucial for the species to survive or adapt to the environment. However, the UCSs are still regarded as mysterious genetic sequences so far. Here, we present a systematic study of ultraconserved genomic regions in the budding yeast based on the publicly available genome sequences, in order to reveal their relationship with the adaptability or fitness advantages of the budding yeast...
September 27, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028904/considerations-for-clinical-neuropsychological-evaluation-in-amyotrophic-lateral-sclerosis
#17
Susan C Woolley, Beth K Rush
The clinical neuropsychologist has the opportunity to be uniquely involved in the evaluation and treatment of individuals with amyotrophic lateral sclerosis (ALS). We review the current literature that defines cognitive and behavioral symptoms in ALS, including current knowledge of the neuropathological and genetic underpinning for these symptoms. There are unique considerations for clinical neuropsychological evaluation and clinical research in ALS and we highlight these in this review. Specifically, we shed light on special factors that contribute to our understanding of cognitive and behavioral impairment in ALS, including co-morbid symptoms, differential diagnosis, and considerations for longitudinal tracking of phenotypes...
September 28, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29028903/comparative-analysis-of-differential-gene-expression-tools-for-rna-sequencing-time-course-data
#18
Daniel Spies, Peter F Renz, Tobias A Beyer, Constance Ciaudo
RNA sequencing (RNA-seq) has become a standard procedure to investigate transcriptional changes between conditions and is routinely used in research and clinics. While standard differential expression (DE) analysis between two conditions has been extensively studied, and improved over the past decades, RNA-seq time course (TC) DE analysis algorithms are still in their early stages. In this study, we compare, for the first time, existing TC RNA-seq tools on an extensive simulation data set and validated the best performing tools on published data...
October 6, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29028876/systematic-comparative-study-of-computational-methods-for-t-cell-receptor-sequencing-data-analysis
#19
Saira Afzal, Irene Gil-Farina, Richard Gabriel, Shahzad Ahmad, Christof von Kalle, Manfred Schmidt, Raffaele Fronza
High-throughput sequencing technologies have exposed the possibilities for the in-depth evaluation of T-cell receptor (TCR) repertoires. These studies are highly relevant to gain insights into human adaptive immunity and to decipher the composition and diversity of antigen receptors in physiological and disease conditions. The major objective of TCR sequencing data analysis is the identification of V, D and J gene segments, complementarity-determining region 3 (CDR3) sequence extraction and clonality analysis...
September 23, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29028865/clinical-ethics-in-the-context-of-deep-brain-stimulation-for-movement-disorders
#20
Cynthia S Kubu, Paul J Ford
Objective: Discuss common clinical ethical challenges encountered in working with patients who are candidates for deep brain stimulation (DBS) for the treatment of motor symptoms of Parkinson's disease (PD). Method: The relevant literature is reviewed and supplemented by descriptive, ethically challenging cases stemming from decades of combined experience working on DBS teams. We outline ethical arguments and provide pragmatic recommendations to assist neuropsychologists working in movement disorder teams...
September 25, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
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