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https://www.readbyqxmd.com/read/28214437/chempreview-an-augmented-reality-based-molecular-interface
#1
Min Zheng, Mark P Waller
Human computer interfaces make computational science more comprehensible and impactful. Complex 3D structures such as proteins or DNA are magnified by digital representations and displayed on two-dimensional monitors. Augmented reality has recently opened another door to access the virtual three-dimensional world. Herein, we present an augmented reality application called ChemPreview with the potential to manipulate bio-molecular structures at an atomistic level. ChemPreview is available at https://github.com/wallerlab/chem-preview/releases, and is built on top of the Meta 1 platform https://www...
January 31, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28212848/major-vectors-and-vector-borne-diseases-in-small-ruminants-in-ethiopia-a-systematic-review
#2
REVIEW
Kassahun Asmare, Takele Abayneh, Berhanu Sibhat, Dessie Shiferaw, Barbara Szonyi, Randi I Krontveit, Eystein Skjerve, Barbara Wieland
Vector-borne diseases are among major health constraints of small ruminant in Ethiopia. While various studies on single vector-borne diseases or presence of vectors have been conducted, no summarized evidence is available on the occurrence of these diseases and the related vectors. This systematic literature review provides a comprehensive summary on major vectors and vector-borne diseases in small ruminants in Ethiopia. Search for published and unpublished literature was conducted between 8th of January and 25th of June 2015...
February 14, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28208413/friction-factor-for-aerosol-fractal-aggregates-over-the-entire-knudsen-range
#3
James Corson, George W Mulholland, Michael R Zachariah
We develop an approach for computing the hydrodynamic friction tensor and scalar friction coefficient for an aerosol fractal aggregate in the transition regime. Our approach involves solving the Bhatnagar-Gross-Krook equation for the velocity field around a sphere and using the velocity field to calculate the force on each primary sphere in the aggregate due to the presence of the other spheres. It is essentially an extension of Kirkwood-Riseman theory from the continuum flow regime to the entire Knudsen range (Knudsen number from 0...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28207468/significant-differences-in-the-bone-of-an-isogenic-inbred-versus-nonisogenic-outbred-murine-mandible-a-study-in-rigor-and-reproducibility
#4
Edward G Carey, Sagar S Deshpande, Kevin M Urlaub, Alexander R Zheutlin, Noah S Nelson, Alexis Donneys, Stephen Y Kang, Kathleen K Gallagher, Peter A Felice, Catherine N Tchanque-Fossuo, Steven R Buchman
Inattention to differences between animal strains is a potential cause of irreproducibility of basic science investigations. Accordingly, the authors' laboratory sought to ensure that cross-comparisons of results generated from studies of mandibular physiology utilizing the Sprague Dawley and Lewis rat strains are valid. The authors specifically investigated baseline histomorphometrics, bone mineral density, and biomechanical strength of the unaltered endogenous mandibles of the inbred, isogenic Lewis rat, and the outbred, nonisogenic Sprague Dawley rat to determine if they are indeed equal...
February 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28205401/computer-aided-drug-design-to-explore-cyclodextrin-therapeutics-and-biomedical-applications
#5
Azizeh Abdolmaleki, Fatemeh Ghasemi, Jahan B Ghasemi
Cyclodextrin (CD) is a subset of the macrocyclic structural class, which is an important class of small organic agents that are useful functional excipients. They have wide range application possibilities in different fields of sciences such as material preparation, medicine, analytical chemistry, and separation processes. They are used widely in pharmaceutical formulations and drug delivery for increasing the water solubility of low soluble drugs and drug candidates. Due to the ring structure, they behave differently than smaller molecules and may be capable of hitting new classes of targets...
February 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28204845/mirnas-target-databases-developmental-methods-and-target-identification-techniques-with-functional-annotations
#6
REVIEW
Nagendra Kumar Singh
PURPOSE: microRNA (miRNA) regulates diverse biological mechanisms and metabolisms in plants and animals. Thus, the discoveries of miRNA has revolutionized the life sciences and medical research.The miRNA represses and cleaves the targeted mRNA by binding perfect or near perfect or imperfect complementary base pairs by RNA-induced silencing complex (RISC) formation during biogenesis process. One miRNA interacts with one or more mRNA genes and vice versa, hence takes part in causing various diseases...
February 15, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28203635/grounded-understanding-of-abstract-concepts-the-case-of-stem-learning
#7
REVIEW
Justin C Hayes, David J M Kraemer
Characterizing the neural implementation of abstract conceptual representations has long been a contentious topic in cognitive science. At the heart of the debate is whether the "sensorimotor" machinery of the brain plays a central role in representing concepts, or whether the involvement of these perceptual and motor regions is merely peripheral or epiphenomenal. The domain of science, technology, engineering, and mathematics (STEM) learning provides an important proving ground for sensorimotor (or grounded) theories of cognition, as concepts in science and engineering courses are often taught through laboratory-based and other hands-on methodologies...
2017: Cogn Res Princ Implic
https://www.readbyqxmd.com/read/28202143/the-missing-women-in-stem-assessing-gender-differentials-in-the-factors-associated-with-transition-to-first-jobs
#8
Sharon Sassler, Jennifer Glass, Yael Levitte, Katherine M Michelmore
Women remain underrepresented in the STEM workforce. We assess explanations for women's underrepresentation in STEM jobs, focusing on a cohort that came of age in the 1980s and 1990s, when women dramatically increased their representation in the scientific labor force. Data are from the NLSY79, and our analysis focuses on members of this cohort who received a college degree, with an emphasis on those who completed a degree in a STEM field. Our analyses test the extent to which college major, expectations to work in STEM, and family expectations shaped transitions into STEM occupations within two years of degree completion...
March 2017: Social Science Research
https://www.readbyqxmd.com/read/28197901/safety-and-efficacy-of-brodalumab-for-moderate-to-severe-plaque-psoriasis-a-systematic-review-and-meta-analysis
#9
REVIEW
Attia Attia, Abdelrahman Ibrahim Abushouk, Hussien Ahmed, Mohamed Gadelkarim, Ahmed Elgebaly, Zeinab Hassan, Mohamed M Abdel-Daim, Ahmed Negida
BACKGROUND: Psoriasis is an inflammatory skin disease that affects 2-3% of the worldwide population. The interleukin-17 cytokine family has been proven to play a central role in the pathogenesis of psoriasis. Brodalumab is a novel biologic agent that targets interleukin-17 molecules and their receptors. We aimed to evaluate the safety and efficacy of brodalumab as a therapeutic agent for moderate-to-severe psoriasis in a meta-analysis framework. METHODS: A computer literature search of PubMed, OVID, Cochrane Central, EMBASE, EBSCO, Scopus, and Web of Science was conducted using relevant keywords...
February 14, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28196280/cuda-based-acceleration-and-bpn-assisted-automation-of-bilateral-filtering-for-brain-mr-image-restoration
#10
Herng-Hua Chang, Yu-Ning Chang
PURPOSE: Bilateral filters have been substantially exploited in numerous magnetic resonance (MR) image restoration applications for decades. Due to the deficiency of theoretical basis on the filter parameter setting, empirical manipulation with fixed values and noise variance related adjustments has generally been employed. The outcome of these strategies is usually sensitive to the variation of the brain structures and not all the three parameter values are optimal. This article is in an attempt to investigate the optimal setting of the bilateral filter, from which an accelerated and automated restoration framework is developed...
February 14, 2017: Medical Physics
https://www.readbyqxmd.com/read/28196078/data-driven-system-to-predict-academic-grades-and-dropout
#11
Sergi Rovira, Eloi Puertas, Laura Igual
Nowadays, the role of a tutor is more important than ever to prevent students dropout and improve their academic performance. This work proposes a data-driven system to extract relevant information hidden in the student academic data and, thus, help tutors to offer their pupils a more proactive personal guidance. In particular, our system, based on machine learning techniques, makes predictions of dropout intention and courses grades of students, as well as personalized course recommendations. Moreover, we present different visualizations which help in the interpretation of the results...
2017: PloS One
https://www.readbyqxmd.com/read/28195030/extra-terra-incognita-martian-maps-in-the-digital-age
#12
Lisa Messeri
Science and technology studies (STS) and critical cartography are both asking questions about the ontological fixity of maps and other scientific objects. This paper examines how a group of NASA computer scientists who call themselves The Mapmakers conceptualizes and creates maps in service of different commitments. The maps under construction are those of alien Mars, produced through partnerships that NASA has established with Google and Microsoft. With the goal of bringing an experience of Mars to as many people as possible, these maps influence how we imagine our neighbouring planet...
February 2017: Social Studies of Science
https://www.readbyqxmd.com/read/28194558/structural-imaging-of-mild-traumatic-brain-injury-may-not-be-enough-overview-of-functional-and-metabolic-imaging-of-mild-traumatic-brain-injury
#13
REVIEW
Samuel S Shin, James W Bales, C Edward Dixon, Misun Hwang
A majority of patients with traumatic brain injury (TBI) present as mild injury with no findings on conventional clinical imaging methods. Due to this difficulty of imaging assessment on mild TBI patients, there has been much emphasis on the development of diffusion imaging modalities such as diffusion tensor imaging (DTI). However, basic science research in TBI shows that many of the functional and metabolic abnormalities in TBI may be present even in the absence of structural damage. Moreover, structural damage may be present at a microscopic and molecular level that is not detectable by structural imaging modality...
February 13, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28188791/structure-and-sequence-based-functional-annotation-of-zika-virus-ns2b-protein-computational-insights
#14
Daniel Aguilera-Pesantes, Miguel A Méndez
While Zika virus (ZIKV) outbreaks are a growing concern for global health, a deep understanding about the virus is lacking. Here we report a contribution to the basic science on the virus- a detailed computational analysis of the non structural protein NS2b. This protein acts as a cofactor for the NS3 protease (NS3Pro) domain that is important on the viral life cycle, and is an interesting target for drug development. We found that ZIKV NS2b cofactor is highly similar to other virus within the Flavivirus genus, especially to West Nile Virus, suggesting that it is completely necessary for the protease complex activity...
February 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28187513/collaboration-to-accelerate-proteogenomics-cancer-care-the-department-of-veterans-affairs-department-of-defense-and-the-national-cancer-institute-s-applied-proteogenomics-organizational-and-learning-apollo-network
#15
L D Fiore, H Rodriguez, C D Shriver
The ability to interrogate cancer at the proteogenomic level has the potential to transform oncology care from trial-and-error treatment strategies based on the anatomy and genomic profiling of tumors to one that is precisely based on the tumor's molecular profile. The next step in the evolution of precision oncology is developing proteogenomic approaches that make no exclusive assumptions a priori as to the molecular level of the patient's disease. The DoD, VA, and NCI responded to the Cancer Moonshot initiative by linking each agency's unique capabilities in clinical and basic science, computing, and high-throughput sequencing...
February 10, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28187435/glucose-transporter-glut1-expression-and-clinical-outcome-in-solid-tumors-a-systematic-review-and-meta-analysis
#16
Ji Wang, Chenyang Ye, Cong Chen, Hanchu Xiong, Binbin Xie, Jichun Zhou, Yongxia Chen, Shu Zheng, Linbo Wang
Glucose transporter 1 (GLUT1), the uniporter protein encoded by the SLC2A1 gene, is a key rate-limiting factor in the transport of glucose in cancer cells, and frequently expressed in a significant proportion of human cancers. Numerous studies have reported paradoxical evidence of the relationship between GLUT1 expression and prognosis in solid human tumors. To address this discrepancy, we conducted a thorough search of Pubmed and Web of Science for studies evaluating the expression of GLUT1 and overall survival (OS) and disease-free survival (DFS) in patients with solid cancer from 1993 to April 2016...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28187426/clustering-of-biological-datasets-in-the-era-of-big-data
#17
Richard Röttger
Clustering is a long-standing problem in computer science and is applied in virtually any scientific field for exploring the inherent structure of datasets. In biomedical research, clustering tools have been utilized in manifold areas, among many others in expression analysis, disease subtyping or protein research. A plethora of different approaches have been developed but there is only little guideline what approach is the optimal in what particular situation. Furthermore, a typical cluster analysis is an entire process with several highly interconnected steps; from preprocessing, proximity calculation, the actual clustering to evaluation and optimization...
December 22, 2016: Journal of Integrative Bioinformatics
https://www.readbyqxmd.com/read/28186737/metal-like-boronic-organic-frameworks-a-design-and-computation
#18
Xingfa Gao, Xuejiao J Gao
Because of the lack of strong π-interaction in their bonds connecting building units, most of the metal-organic frameworks (MOFs) and covalent-organic frameworks (COFs) achieved so far are insulators or wide-bandgap semiconductors. The design of metal-like frameworks based on known chemical components is a challenge. This work reports that aryl borons can be linked together through isocyanides to form stable and easily accessible low-dimensional boronic-organic frameworks (BOFs). Particularly, the boron atoms in the BOFs behave like transition metals, forming the combined σ-donation and π-backdonation bonds instead of the usual electron-sharing bonds with the isocyanide linkers...
February 10, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28186046/building-research-capacity-results-of-a-feasibility-study-using-a-novel-mhealth-epidemiological-data-collection-system-within-a-gestational-diabetes-population
#19
Allen McLean, Nathaniel Osgood, Jill Newstead-Angel, Kevin Stanley, Dylan Knowles, William van der Kamp, Weicheng Qian, Roland Dyck
Public health researchers have traditionally relied on individual self-reporting when collecting much epidemiological surveillance data. Data acquisition can be costly, difficult to acquire, and the data often notoriously unreliable. An interesting option for the collection of individual health (or indicators of individual health) data is the personal smartphone. Smartphones are ubiquitous, and the required infrastructure is well-developed across Canada, including many remote areas. Researchers and health professionals are asking themselves how they might exploit increasing smartphone uptake for the purposes of data collection, hopefully leading to improved individual and public health...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28182275/charting-a-course-for-precision-oncology
#20
Dimitri Kusnezov, Jason Paragas
Fields of science have undergone dramatic reorganizations as they have come to terms with the realities of the growing complexities of their problem set, the costs, and the breadth of skills needed to make major progress. Precision medicine, Cancer Moonshot, and changes in computing technology are providing an opportunity for this field to redefine its course. This article is protected by copyright. All rights reserved.
February 9, 2017: Clinical Pharmacology and Therapeutics
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