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https://www.readbyqxmd.com/read/29151135/classification-of-g-protein-coupled-receptors-based-on-a-rich-generation-of-convolutional-neural-network-n-gram-transformation-and-multiple-sequence-alignments
#1
Man Li, Cheng Ling, Qi Xu, Jingyang Gao
Sequence classification is crucial in predicting the function of newly discovered sequences. In recent years, the prediction of the incremental large-scale and diversity of sequences has heavily relied on the involvement of machine-learning algorithms. To improve prediction accuracy, these algorithms must confront the key challenge of extracting valuable features. In this work, we propose a feature-enhanced protein classification approach, considering the rich generation of multiple sequence alignment algorithms, N-gram probabilistic language model and the deep learning technique...
November 18, 2017: Amino Acids
https://www.readbyqxmd.com/read/29150927/identification-of-proteins-drying-oils-waxes-and-resins-in-the-works-of-art-micro-samples-by-chromatographic-and-mass-spectrometric-techniques
#2
Bartłomiej Witkowski, Anna Duchnowicz, Monika Ganeczko, Agnieszka Laudy, Tomasz Gierczak, Magdalena Biesaga
Simplified method for simultaneous identification of proteins, drying oils, waxes and resins in the works-of-art samples was developed. Liquid chromatography with mass spectrometry and gas chromatography with mass spectrometry were used to identify natural materials most frequently encountered in historical paintings. Protein binders were extracted with ammonia and purified using miniaturized solid-phase microextraction (Omix tips) to efficiently suppress matrix interferences. Zwitterionic stationary phase was used for separation of sixteen underivatized amino acids analysis with hydrophilic interaction liquid chromatography that were subsequently quantified with liquid chromatography with mass spectrometry...
November 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29150377/urgent-versus-post-stabilisation-antiretroviral-treatment-in-hospitalised-hiv-infected-children-in-kenya-push-a-randomised-controlled-trial
#3
Irene N Njuguna, Lisa M Cranmer, Vincent O Otieno, Cyrus Mugo, Hellen M Okinyi, Sarah Benki-Nugent, Barbra Richardson, Joshua Stern, Elizabeth Maleche-Obimbo, Dalton C Wamalwa, Grace C John-Stewart
BACKGROUND: Urgent antiretroviral therapy (ART) among hospitalised HIV-infected children might accelerate recovery or worsen outcomes associated with immune reconstitution. We aimed to compare urgent versus post-stabilisation ART among hospitalised HIV-infected children in Kenya. METHODS: In this unmasked randomised controlled trial, we randomly assigned (1:1) HIV-infected, ART-naive children aged 0-12 years who were eligible for treatment to receive ART within 48 h (urgent group) or in 7-14 days (post-stabilisation group) at four hospitals in Kenya (two in Nairobi and two in western Kenya)...
November 14, 2017: Lancet HIV
https://www.readbyqxmd.com/read/29149819/cardiovascular-risk-in-psoriasis-current-state-of-the-art
#4
Giuseppe Dattilo
Psoriasis (Pso) is a chronic inflammatory immune-mediated skin disease associated with several comorbidities. Despite the growing number of studies providing evidence for the link between Pso and cardiovascular (CV) disorders, there are still many unsolved questions, dealing with the role of the skin disease as an independent risk factor for CV events, the influence of Pso severity and duration on CV damage, the presence of psoriatic arthritis (PsA) as a predictor of increased CV mortality and morbidity and the detection of reliable clinical, laboratory and/or instrumental parameters to stratify CV risk in psoriatic patients...
November 16, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29149762/interaction-of-biologically-relevant-ions-and-organic-molecules-with-titanium-oxide-rutile-surfaces-a-review-on-molecular-dynamics-studies
#5
REVIEW
Azade YazdanYar, Ulrich Aschauer, Paul Bowen
The surface of a biomaterial can play a major role in its biological fate since the surface is the primary pathway for its interaction with the body. As the natural response of the body to a foreign material is to encapsulate it with a fibrous material, the interactions between the body and the biomaterial are mediated by this fibrous layer. Initial interactions occur between the biomaterial surface, water, ionic species and organic molecules, which then mediate further interactions with body tissues. Surface engineering can influence these interactions and hence, improve the biocompatibility of the biomaterial...
November 7, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29149715/robust-brain-roi-segmentation-by-deformation-regression-and-deformable-shape-model
#6
Zhengwang Wu, Yanrong Guo, Sang Hyun Park, Yaozong Gao, Pei Dong, Seong-Whan Lee, Dinggang Shen
We propose a robust and efficient learning-based deformable model for segmenting regions of interest (ROIs) from structural MR brain images. Different from the conventional deformable-model-based methods that deform a shape model locally around the initialization location, we learn an image-based regressor to guide the deformable model to fit for the target ROI. Specifically, given any voxel in a new image, the image-based regressor can predict the displacement vector from this voxel towards the boundary of target ROI, which can be used to guide the deformable segmentation...
November 10, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/29149545/mechanical-properties-in-metal-organic-frameworks-emerging-opportunities-and-challenges-for-device-functionality-and-technological-applications
#7
REVIEW
Nicholas C Burtch, Jurn Heinen, Thomas D Bennett, David Dubbeldam, Mark D Allendorf
Some of the most remarkable recent developments in metal-organic framework (MOF) performance properties can only be rationalized by the mechanical properties endowed by their hybrid inorganic-organic nanoporous structures. While these characteristics create intriguing application prospects, the same attributes also present challenges that will need to be overcome to enable the integration of MOFs with technologies where these promising traits can be exploited. In this review, emerging opportunities and challenges are identified for MOF-enabled device functionality and technological applications that arise from their fascinating mechanical properties...
November 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29149397/heavily-graphitic-nitrogen-self-doped-high-porosity-carbon-for-the-electrocatalysis-of-oxygen-reduction-reaction
#8
Tong Feng, Wenli Liao, Zhongbin Li, Lingtao Sun, Dongping Shi, Chaozhong Guo, Yu Huang, Yi Wang, Jing Cheng, Yanrong Li, Qizhi Diao
Large-scale production of active and stable porous carbon catalysts for oxygen reduction reaction (ORR) from protein-rich biomass became a hot topic in fuel cell technology. Here, we report a facile strategy for synthesis of nitrogen-doped porous nanocarbons by means of a simple two-step pyrolysis process combined with the activation of zinc chloride and acid-treatment process, in which kidney bean via low-temperature carbonization was preferentially adopted as the only carbon-nitrogen sources. The results show that this carbon material exhibits excellent ORR electrocatalytic activity, and higher durability and methanol-tolerant property compared to the state-of-the-art Pt/C catalyst for the ORR, which can be mainly attributed to high graphitic-nitrogen content, high specific surface area, and porous characteristics...
November 17, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29149278/interdisciplinary-stem-education-reform-dishing-out-art-in-a-microbiology-laboratory
#9
Sarah J Adkins, Rachel K Rock, J Jeffrey Morris
In the modern educational framework, life science and visual art are usually presented as mutually exclusive subjects. Despite this perceived disciplinary contrast, visual art has the ability to engage and provoke students in ways that can have important downstream effects on scientific discovery, especially when applied in a practical setting such as a laboratory course. This review broadly examines the benefit of interdisciplinary fusions of science and art as well as recent ways in which art strategies have been used in undergraduate biology classrooms...
November 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29149263/vitamin-d-and-assisted-reproductive-treatment-outcome-a-systematic-review-and-meta-analysis
#10
Justin Chu, Ioannis Gallos, Aurelio Tobias, Bee Tan, Abey Eapen, Arri Coomarasamy
STUDY QUESTION: Is serum vitamin D associated with live birth rates in women undergoing ART? SUMMARY ANSWER: Women undergoing ART who are replete in vitamin D have a higher live birth rate than women who are vitamin D deficient or insufficient. WHAT IS KNOWN ALREADY: Vitamin D deficiency has been associated with an increased risk of abnormal pregnancy implantation as well as obstetric complications such as pre-eclampsia and fetal growth restriction...
November 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29149087/taxonomic-classification-for-living-organisms-using-convolutional-neural-networks
#11
Saed Khawaldeh, Usama Pervaiz, Mohammed Elsharnoby, Alaa Eddin Alchalabi, Nayel Al-Zubi
Taxonomic classification has a wide-range of applications such as finding out more about evolutionary history. Compared to the estimated number of organisms that nature harbors, humanity does not have a thorough comprehension of to which specific classes they belong. The classification of living organisms can be done in many machine learning techniques. However, in this study, this is performed using convolutional neural networks. Moreover, a DNA encoding technique is incorporated in the algorithm to increase performance and avoid misclassifications...
November 17, 2017: Genes
https://www.readbyqxmd.com/read/29148712/constructing-repairable-meta-structures-of-ultra-broadband-electromagnetic-absorption-from-3d-printed-patterned-shells
#12
Wei-Li Song, Zhili Zhou, Lichen Wang, Xiao-Dong Cheng, Mingji Chen, Rujie He, Hao-Sen Chen, Yazheng Yang, Daining Fang
Ultra-broadband electromagnetic absorption materials and structures are increasingly attractive for their critical role in competing to the advanced broadband electromagnetic detective systems. Mechanically soft and weak wax-based materials composites are known to be insufficient to serve for practical electromagnetic absorption applications. To break through such barriers, here we developed an innovative strategy to enable the wax-based composites as robust and repairable meta-structures by employing a 3D printed polymeric patterned shell...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29148607/the-art-of-oral-handovers-a-participant-observational-study-by-undergraduate-students-in-a-hospital-setting
#13
Tove Giske, Sunniva Nese Melås, Kari Anne Einarsen
AIMS AND OBJECTIVES: This study explores the conditions for oral handovers between shifts in a hospital setting, and how these impact patient safety and quality of care. BACKGROUND: Oral handovers transfer patient information and nursing responsibilities between shifts. Short written summaries of patients can complement an oral handover. How to find the balance between a standardised protocol for handovers and tailoring variations to specific patients and situations is debated in the literature...
November 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29148311/for-which-clinical-rules-do-doctors-want-decision-support-and-why-a-survey-of-dutch-general-practitioners
#14
Stephanie Medlock, Saeid Eslami, Marjan Askari, Derk L Arts, Esther M van de Glind, Henk J Brouwer, Henk C van Weert, Sophia E de Rooij, Ameen Abu-Hanna
Despite the promise of decision support for improving care, alerts are often overridden or ignored. We evaluated Dutch general practitioners' intention to accept decision support in a proposed implementation based on clinical rules regarding care for elderly patients, and their reasons for wanting or not wanting support. We developed a survey based on literature and structured interviews and distributed it to all doctors who would receive support in the proposed implementation (n = 43), of which 65 percent responded...
November 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/29148164/protein-profiling-of-non-model-plant-cuminum-cyminum-by-gel-based-proteomic-approach
#15
Uzma Zaman, Henning Urlaub, Atiya Abbasi
INTRODUCTION: Cumin (Cuminum cyminum), a popular spice has been widely used in traditional medicine to cure various ailments. Despite the existence of scientific literature about its pharmacological properties, no successful proteome profiling has yet been attempted. OBJECTIVE: To optimise extraction of cumin proteins and analyse its profile by shotgun proteomics, using one-dimensional electrophoresis coupled with nano-ESI-LC-MS/MS. METHODOLOGY: As a first step, we have compared three extraction protocols for total proteins extraction from cumin...
November 16, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/29148028/blindness-and-visual-impairment-in-opera
#16
Pinar Aydin, Robert Ritch, John O'Dwyer
PURPOSE: The performing arts mirror the human condition. This study sought to analyze the reasons for inclusion of visually impaired characters in opera, the cause of the blindness or near blindness, and the dramatic purpose of the blindness in the storyline. METHODS: We reviewed operas from the 18th century to 2010 and included all characters with ocular problems. We classified the cause of each character's ocular problem (organic, nonorganic, and other) in relation to the thematic setting of the opera: biblical and mythical, blind beggars or blind musicians, historical (real or fictional characters), and contemporary or futuristic...
November 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29147792/characterization-of-a-novel-single-stranded-rna-mycovirus-related-to-invertebrate-viruses-from-the-plant-pathogen-verticillium-dahliae
#17
M Carmen Cañizares, Francisco J López-Escudero, Encarnación Pérez-Artés, María D García-Pedrajas
Fungal viruses, also known as mycoviruses, are widespread in all major groups of fungi. Mycoviruses from plant pathogens can reduce the virulence of their host fungus and have therefore potential as biological control agents. This has spurred the identification of novel mycoviruses in plant pathogens, research which is greatly contributing to our understanding of these organisms. In this work, we report the characterization of a novel monopartite mycovirus from Verticillium dahliae, the main causal agent of Verticillium wilt...
November 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29147636/drug-induced-lupus-erythematosus-associated-with-antiretroviral-therapy-in-a-patient-with-human-immunodeficiency-virus-a-case-report
#18
Jazila Mantis, Ravi Bhavsar, Adriana Abrudescu
Antiretroviral medications are the mainstay of human immunodeficiency virus (HIV) therapy and some have been in use for over 20 years. To date, there have been no reported cases of antiretroviral therapy (ART) induced drug-induced lupus erythematosus (DILE). We present a case of a 35-year-old woman who received a combination of emtricitabine, rilpivirine, and tenofovir disoproxil fumarate for HIV treatment. Three years later, she developed an extensive rash and polyarthralgia in her extremities with laboratory findings significant for positive antinuclear antibody (ANA), anti-double stranded deoxyribonucleic acid (DNA) antibody (anti-dsDNA), and anti-histone antibody titers...
September 7, 2017: Curēus
https://www.readbyqxmd.com/read/29146970/origin-of-the-unusually-strong-and-selective-binding-of-vanadium-by-polyamidoximes-in-seawater
#19
Alexander S Ivanov, Christina J Leggett, Bernard F Parker, Zhicheng Zhang, John Arnold, Sheng Dai, Carter W Abney, Vyacheslav S Bryantsev, Linfeng Rao
Amidoxime-functionalized polymeric adsorbents are the current state-of-the-art materials for collecting uranium (U) from seawater. However, marine tests show that vanadium (V) is preferentially extracted over U and many other cations. Herein, we report a complementary and comprehensive investigation integrating ab initio simulations with thermochemical titrations and XAFS spectroscopy to understand the unusually strong and selective binding of V by polyamidoximes. While the open-chain amidoxime functionalities do not bind V, the cyclic imide-dioxime group of the adsorbent forms a peculiar non-oxido V(5+) complex, exhibiting the highest stability constant value ever observed for the V(5+) species...
November 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146625/cyanotic-congenital-heart-disease-following-fertility-treatments-in-the-united-states-from-2011-to-2014
#20
Alireza A Shamshirsaz, Zhoobin H Bateni, Haleh Sangi-Haghpeykar, Sara E Arian, Hadi Erfani, Amir A Shamshirsaz, Alfred Abuhamad, Karin A Fox, Susan M Ramin, Amirhossein Moaddab, Shiraz A Maskatia, Bahram Salmanian, Keila N Lopez, Pardis Hosseinzadeh, Amy K Schutt, Ahmed A Nassr, Jimmy Espinoza, Gary A Dildy, Michael A Belfort, Steven L Clark
OBJECTIVE: To examine the risk for cyanotic congenital heart diseases (CCHDs) among live births in the USA, resulting from various forms of infertility treatments. METHODS: This study is a cross-sectional analysis of live births in the USA from 2011 to 2014. Infertility treatments are categorised into two of the following groups on birth certificates: assisted reproductive technology (ART) fertility treatment (surgical egg removal; eg, in vitro fertilisation and gamete intrafallopian transfer) and non-ART fertility treatment (eg, medical treatment and intrauterine insemination)...
November 16, 2017: Heart: Official Journal of the British Cardiac Society
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