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https://www.readbyqxmd.com/read/28535035/fabrication-of-anti-biofouling-plasma-filtration-membrane-by-electrospinning-process-using-photo-crosslinkable-zwitterionic-phospholipid-polymers
#1
Jiae Seo, Ji-Hun Seo
The goal of this study is to fabricate a stable plasma filtration membrane with anti-biofouling properties via an electrospinning process. To this end, a random-type copolymer consisting of zwitterionic phosphorylcholine (PC) groups and ultraviolet (UV)-crosslinkable phenyl azide groups was synthesized. The zwitterionic PC group provides anti-biofouling properties, and the phenyl azide group enables the stable maintenance of the fibrous nanostructure of hydrophilic zwitterion polymers in aqueous medium via a simple UV curing process...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28532105/additive-manufacturing-with-polypropylene-microfibers
#2
Jodie N Haigh, Tim R Dargaville, Paul D Dalton
The additive manufacturing of small diameter polypropylene microfibers is described, achieved using a technique termed melt electrospinning writing. Sequential fiber layering, which is important for accurate three-dimensional fabrication, was achieved with the smallest fiber diameter of 16.4±0.2μm obtained. The collector speed, temperature and melt flow rate to the nozzle were optimized for quality and minimal fiber pulsing. Of particular importance to the success of this method is appropriate heating of the collector plate, so that the electrostatically drawn filament adheres during the direct-writing process...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28521721/the-importance-of-military-conscripts-for-surveillance-of-human-immunodeficiency-virus-infection-and-risk-behavior-in-thailand
#3
Aladdin Shadyab, Kenrad Nelson, Ram Rangsin
BACKGROUND: The epidemic of human immunodeficiency virus (HIV) infection in Thailand began in 1988 among injection drug users (IDUs) in Bangkok. It soon spread to other populations, especially female sex workers (FSWs) and men attending STD clinics. Routine serologic surveillance for HIV began among military conscripts in 1991. The HIV seroprevalence data from military conscripts provided national surveillance data, since the entire population of 21 year old men were conscripted for 2 years' service in the military by a random process during which 10% of men were selected...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28504684/fully-automated-5-plex-fluorescent-immunohistochemistry-with-tyramide-signal-amplification-and-same-species-antibodies
#4
Wenjun Zhang, Antony Hubbard, Tobin Jones, Adriana Racolta, Srabani Bhaumik, Nick Cummins, Liping Zhang, Karl Garsha, Frank Ventura, Mark R Lefever, Zhenqiang Lu, John K Hurley, William A Day, Lidija Pestic-Dragovich, Larry E Morrison, Lei Tang
The ability to simultaneously visualize the presence, abundance, location and functional state of many targets in cells and tissues has been described as a true next-generation approach in immunohistochemistry (IHC). A typical requirement for multiplex IHC (mIHC) is the use of different animal species for each primary (1°Ab) and secondary (2°Ab) antibody pair. Although 1°Abs from different species have been used with differently labeled species-specific 2°Abs, quite often the appropriate combination of antibodies is not available...
May 15, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28500269/dynamic-cytology-and-transcriptional-regulation-of-rice-lamina-joint-development
#5
Lijuan Zhou, Langtao Xiao, Hong-Wei Xue
Rice leaf angle is determined by lamina joint and an important agricultural trait determining leaf erectness and hence the photosynthesis efficiency and grain yield. Genetic studies reveal a complex regulatory network of lamina joint development; however, the morphological changes, cytological transitions, and underlying transcriptional programming remain to be elucidated. A systemic morphological and cytological study reveals a dynamic developmental process and suggests a common but distinct regulation of lamina joint...
May 12, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28493921/mapping-the-emotional-face-how-individual-face-parts-contribute-to-successful-emotion-recognition
#6
Martin Wegrzyn, Maria Vogt, Berna Kireclioglu, Julia Schneider, Johanna Kissler
Which facial features allow human observers to successfully recognize expressions of emotion? While the eyes and mouth have been frequently shown to be of high importance, research on facial action units has made more precise predictions about the areas involved in displaying each emotion. The present research investigated on a fine-grained level, which physical features are most relied on when decoding facial expressions. In the experiment, individual faces expressing the basic emotions according to Ekman were hidden behind a mask of 48 tiles, which was sequentially uncovered...
2017: PloS One
https://www.readbyqxmd.com/read/28486826/a-study-investigating-the-experience-of-working-for-people-with-parkinson-s-and-the-factors-that-influence-workplace-success
#7
Rebecca L Mullin, K Ray Chaudhuri, Thomasin C Andrews, Anne Martin, Stella Gay, Claire M White
PURPOSE: The experience of working for people with Parkinson's disease (PD) is known to vary substantially and affects the length of time in employment after diagnosis. This study aims at exploring the experience of working for people with PD and to create a model detailing the factors that influence their workplace success. METHOD: A qualitative grounded theoretical approach was used. Seventeen working people with PD were selected for individual interviews which were conducted sequentially...
May 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28481517/b-c6f5-3-catalyzed-convergent-disproportionation-reaction-of-indoles
#8
Yuxi Han, Sutao Zhang, Jianghua He, Yuetao Zhang
A metal-free B(C6F5)3-catalyzed approach is developed for the disproportionation reaction of a series of indoles with various hydrosilanes, without any additives such as base and production of any small molecule such as dihydrogen. This boron catalyst system also exhibits excellent catalytic performance for practical application, such as catalyst loading as low as 0.01 mol % under solvent-free conditions, and a long-life catalytic performance highlighted by a constant catalytic activity being maintained and excellent yields being achieved for the desired products over 10 sequential additions of starting materials...
May 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28473524/a-realist-evaluation-of-patients-decisions-to-deprescribe-in-the-empower-trial
#9
Philippe Martin, Cara Tannenbaum
BACKGROUND AND OBJECTIVES: Successful mechanisms for engaging patients in the deprescribing process remain unknown but may include: (1) triggering motivation to deprescribe by increasing patients' knowledge and concern about medications; (2) building capacity to taper by augmenting self-efficacy and (3) creating opportunities to discuss and receive support for deprescribing from a healthcare provider. We tested these mechanisms during theEliminating Medications through Patient Ownership of End Results (EMPOWER) () trial and investigated the contexts that led to positive and negative deprescribing outcomes...
May 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28471672/controlling-excited-state-single-versus-double-proton-transfer-for-2-2-bipyridyl-3-3-diol-solvent-effect
#10
Jinfeng Zhao, Xiaoyan Liu, Yujun Zheng
In this work, we theoretically investigate the sequential excited state double proton transfer (ESDPT) mechanism of a representative intramolecular hydroxyl (OH)-type hydrogen molecule 2,2'-bipyridyl-3,3'-diol (BP(OH)2). We mainly adopt three kinds of different polar solvents (nonpolar cyclohexane (CYH), polar acetonitrile (ACN), and moderate chloroform (CHCl3)) to explore solvent effects on this system. Two intramolecular hydrogen bonds of BP(OH)2 are testified to be strengthened in the S1 state, which provides possibility for ESDPT process...
May 11, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28468535/building-emotional-resilience-over-14-sessions-of-emotion-focused-therapy-micro-longitudinal-analyses-of-productive-emotional-patterns
#11
A Pascual-Leone, N Yeryomenko, T Sawashima, S Warwar
OBJECTIVE: Pascual-Leone and Greenberg's sequential model of emotional processing has been used to explore process in over 24 studies. This line of research shows emotional processing in good psychotherapy often follows a sequential order, supporting a saw-toothed pattern of change within individual sessions (progressing "2-steps-forward, 1-step-back"). However, one cannot assume that local in-session patterns are scalable across an entire course of therapy. Thus, the primary objective of this exploratory study was to consider how the sequential patterns identified by Pascual-Leone, may apply across entire courses of treatment...
May 4, 2017: Psychotherapy Research: Journal of the Society for Psychotherapy Research
https://www.readbyqxmd.com/read/28467316/the-fabrication-of-double-layered-chitosan-gelatin-genipin-nanosphere-coating-for-sequential-and-controlled-release-of-therapeutic-proteins
#12
Ruiying Chen, Xinjie Cai, Kena Ma, Yi Zhou, Yining Wang, Tao Jiang
Bone regeneration is a complicated process and includes a number of distinct and sequential stages of coordinated cellular actions under the regulation of multiple growth factors. Therefore, bone grafting materials in which growth factors can be incorporated and released in a programmed order in line with the bone tissue healing process may lead to desirable clinical outcomes. In the present study, a double-layered chitosan/gelatin/genipin (d-CSG/G) nanosphere coating is developed by using layer-by-layer electrophoretic deposition (EPD) and genipin crosslinking...
May 3, 2017: Biofabrication
https://www.readbyqxmd.com/read/28436896/online-hashing
#13
Long-Kai Huang, Qiang Yang, Wei-Shi Zheng
Although hash function learning algorithms have achieved great success in recent years, most existing hash models are off-line, which are not suitable for processing sequential or online data. To address this problem, this paper proposes an online hash model to accommodate data coming in stream for online learning. Specifically, a new loss function is proposed to measure the similarity loss between a pair of data samples in hamming space. Then, a structured hash model is derived and optimized in a passive-aggressive way...
April 24, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28434787/integrated-ecotechnology-approach-towards-treatment-of-complex-wastewater-with-simultaneous-bioenergy-production
#14
Manupati Hemalatha, J Shanthi Sravan, Dileep Kumar Yeruva, S Venkata Mohan
Sequential integration of three stage diverse biological processes was studied by exploiting the individual process advantage towards enhanced treatment of complex chemical based wastewater. A successful attempt to integrate sequence batch reactor (SBR) with bioelectrochemical treatment (BET) and finally with microalgae treatment was studied. The sequential integration has showed individual substrate degradation (COD) of 55% in SBR, 49% in BET and 56% in microalgae, accounting for a consolidated treatment efficiency of 90%...
March 22, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432748/future-challenges-and-therapeutic-opportunities-in-type-2-diabetes-changing-the-paradigm-of-current-therapy
#15
REVIEW
D R Owens, L Monnier, A H Barnett
Most algorithms for type 2 diabetes mellitus (T2DM) do not recommend treatment escalation until glycated haemoglobin (HbA1c) fails to reach the recommended target of 7% (53 mmol/mol) within approximately 3 months on any treatment regimen ('treat to failure'). Clinical inertia and/or poor adherence to therapy contribute to patients not reaching glycaemic targets when managed according to this paradigm. Clinical inertia exists across the entire spectrum of anti-diabetes therapies, although it is most pronounced when initiating and optimizing insulin therapy...
April 21, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28424085/the-within-host-population-dynamics-of-mycobacterium-tuberculosis-vary-with-treatment-efficacy
#16
Andrej Trauner, Qingyun Liu, Laura E Via, Xin Liu, Xianglin Ruan, Lili Liang, Huimin Shi, Ying Chen, Ziling Wang, Ruixia Liang, Wei Zhang, Wang Wei, Jingcai Gao, Gang Sun, Daniela Brites, Kathleen England, Guolong Zhang, Sebastien Gagneux, Clifton E Barry, Qian Gao
BACKGROUND: Combination therapy is one of the most effective tools for limiting the emergence of drug resistance in pathogens. Despite the widespread adoption of combination therapy across diseases, drug resistance rates continue to rise, leading to failing treatment regimens. The mechanisms underlying treatment failure are well studied, but the processes governing successful combination therapy are poorly understood. We address this question by studying the population dynamics of Mycobacterium tuberculosis within tuberculosis patients undergoing treatment with different combinations of antibiotics...
April 19, 2017: Genome Biology
https://www.readbyqxmd.com/read/28419296/urinary-podocyte-and-tgf-%C3%AE-1-mrna-as-markers-for-disease-activity-and-progression-in-anti-glomerular-basement-membrane-nephritis
#17
Akihiro Fukuda, Akihiro Minakawa, Yuji Sato, Takashi Iwakiri, Shuji Iwatsubo, Hiroyuki Komatsu, Masao Kikuchi, Kazuo Kitamura, Roger C Wiggins, Shouichi Fujimoto
Background.: Podocyte depletion causes glomerulosclerosis, with persistent podocyte loss being a major factor driving disease progression. Urinary podocyte mRNA is potentially useful for monitoring disease progression in both animal models and in humans. To determine whether the same principles apply to crescentic glomerular injury, a rat model of anti-glomerular basement membrane (anti-GBM) nephritis was studied in parallel with a patient with anti-GBM nephritis. Methods...
April 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28416691/neurophysiological-dynamics-of-phrase-structure-building-during-sentence-processing
#18
Matthew J Nelson, Imen El Karoui, Kristof Giber, Xiaofang Yang, Laurent Cohen, Hilda Koopman, Sydney S Cash, Lionel Naccache, John T Hale, Christophe Pallier, Stanislas Dehaene
Although sentences unfold sequentially, one word at a time, most linguistic theories propose that their underlying syntactic structure involves a tree of nested phrases rather than a linear sequence of words. Whether and how the brain builds such structures, however, remains largely unknown. Here, we used human intracranial recordings and visual word-by-word presentation of sentences and word lists to investigate how left-hemispheric brain activity varies during the formation of phrase structures. In a broad set of language-related areas, comprising multiple superior temporal and inferior frontal sites, high-gamma power increased with each successive word in a sentence but decreased suddenly whenever words could be merged into a phrase...
May 2, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28411651/enzyme-armoring-by-an-organosilica-layer-synthesis-and-characterization-of-hybrid-organic-inorganic-nanobiocatalysts
#19
M Rita Correro, Sabine Sykora, Philippe F-X Corvini, Patrick Shahgaldian
The availability of highly stable and reusable enzymes is one of the main challenges in bio-based industrial processes. Enzyme immobilization and encapsulation represent promising strategies to reach this goal. In this chapter, the synthetic strategy to produce hybrid organic/inorganic nanobiocatalysts (NBC) is reported. This strategy is based on the sequential immobilization of an enzyme on the surface of silica nanoparticles followed by the growth, at the surface of the nanoparticles, of a shielding layer which serves as an armor to protect the enzyme against denaturation/degradation...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28405834/feasibility-study-of-a-generalized-framework-for-developing-computer-aided-detection-systems-a-new-paradigm
#20
Mitsutaka Nemoto, Naoto Hayashi, Shouhei Hanaoka, Yukihiro Nomura, Soichiro Miki, Takeharu Yoshikawa
We propose a generalized framework for developing computer-aided detection (CADe) systems whose characteristics depend only on those of the training dataset. The purpose of this study is to show the feasibility of the framework. Two different CADe systems were experimentally developed by a prototype of the framework, but with different training datasets. The CADe systems include four components; preprocessing, candidate area extraction, candidate detection, and candidate classification. Four pretrained algorithms with dedicated optimization/setting methods corresponding to the respective components were prepared in advance...
April 12, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
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