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https://www.readbyqxmd.com/read/28738585/ordered-mesoporous-silica-film-as-a-novel-fiber-coating-for-solid-phase-microextraction
#1
Hui Jiang, Jiansheng Li, Xingru Hu, Jinyou Shen, Xiuyun Sun, Weiqing Han, Lianjun Wang
Ordered mesoporous silica (OMS) film supported on anodized titanium wire was fabricated as a new solid phase microextraction (SPME) fiber for the extraction of chlorophenols (CPs) from aqueous media followed by the determination with gas chromatography flame ionization detection (GC-FID). The supported OMS film was prepared via a solvent evaporation-induced self-assembly approach (EISA) combined with dip-coating technology. Commonly used fragile fused silica fiber was replaced by anodized titanium wire. The coating materials were characterized by N2 adsorption-desorption, Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and thermogravimetric (TG) analysis...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738580/true-lab-in-a-syringe-technology-for-bioassays
#2
Lenka Hárendarčíková, Daniel Baron, Andrea Šebestová, Jan Rozsypal, Jan Petr
In our work, we introduced a novel concept of the lab-in-a-syringe tests. We solved the problem of detection in already published LIS tests by putting all the reaction and detection pads directly into the syringe barrel. We also used more layers to make the results visible for users. Two detection layouts: (i) with using rounded pads-based detection, and (ii) with using rectangular detection pads, were studied. As the proof of concept, we studied the determination of Ni(II) using dimethylglyoxime as the reagent and blocking of the interference of Fe(II)...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738550/employing-microbial-electrochemical-technology-driven-electro-fenton-oxidation-for-the-removal-of-recalcitrant-organics-from-sanitary-landfill-leachate
#3
Muhammad Hassan, Narcis Pous, Bing Xie, Jesús Colprim, M Dolors Balaguer, Sebastia Puig
The feasibility of employing Microbial Electrochemical Technology (MET)-driven electro-Fenton oxidation was evaluated as a post-treatment of an anammox system treating sanitary landfill leachate. Two different MET configuration systems were operated using effluent from partial nitrification-anammox reactor treating mature leachate. In spite of the low organic matter biodegradability of the anammox's effluent (2401±562mgCODL(-1); 237±57mgBOD5L(-1)), the technology was capable to reach COD removal rates of 1077-1244mgL(-1)d(-1) with concomitant renewable electricity production (43...
July 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28738545/municipal-wastewater-treatment-via-co-immobilized-microalgal-bacterial-symbiosis-microorganism-growth-and-nutrients-removal
#4
Yu Shen, Jingqing Gao, Linshuai Li
A symbiotic microalgal-bacterial system may be an optional technology for wastewater treatment. In this study, co-immobilized of a bacterium isolated from a municipal wastewater treatment plant (Pseudomonas putida) and a microalgae Chlorella vulgaris was used in the study of cell growth and nutrient removal during wastewater treatment under batch and continuous culture conditions. Under batch culture conditions, co-immobilization treatment significantly increased the cell density of C. vulgaris and P. putida compared with other treatments...
July 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28738519/magnetic-iron-oxide-nanoparticles-as-novel-and-efficient-tools-for-atherosclerosis-diagnosis
#5
REVIEW
María Gabriela Montiel Schneider, Verónica Leticia Lassalle
Cardiovascular complications derivate from atherosclerosis are the main cause of death in western world. An early detection of vulnerable atherosclerotic plaques is primordial for a better care of patients suffering the pathology. In this context nanotechnology has emerged as a promising tool to achieve this goal. Nanoparticles based on magnetic iron oxide (MNPs) have been extensively studied in cardiovascular diseases diagnosis, as well as in the treatment and diagnostic of other pathologies. The present review aims to describe and analyze the most current literature regarding to this topic, offering the level of detail required to reproduce the experimental tasks providing a critical input of the latest available reports...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738478/-less-common-variants-association-study-and-statistical-analysis
#6
X Liao, J Deng, J Y Xun, J X Yan
In the past decade, based on the "common disease-common variant" hypothesis, genomewide association studies (GWAS) have been extensively used to dissect the genetic components of complex diseases and quantitative traits. However, the identified disease-associated common variants by GWASs can only explain small part of the corresponding disease heritability. "Common disease-rare variant" hypothesis has been proposed to explore the missed heritability. With the development of the next generation sequencing technology, various association studies of less common variants are ongoing...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738477/-meta-analysis-on-influence-of-psychological-nursing-on-quality-of-life-of-aids-patients
#7
Q Liu, R Zhao, Q Wu, G H Zhuang
Objective: To evaluate the effect of psychological nursing intervention on the quality of life of AIDS patients. Methods: The experimental studies about the influence of psychological nursing intervention on the quality of life of AIDS patients were systematically retrieved in the following databases: PubMed, Web of Science, Cochrane Library, Chinese biomedical literature database (CBM), China journal full text database (CNKI), Wanfang database and VIP Chinese science and technology periodical database (VIP)...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738448/new-1-2-ghz-nmr-spectrometers-new-horizons
#8
EDITORIAL
Harald Schwalbe
The latest ultrahigh-field NMR spectrometers are a huge technological challenge that require large financial investments. In his Guest Editorial, Harald Schwalbe justifies the need for spectrometers with higher magnetic field strengths. The important results from previous generations of high-field NMR spectrometers are discussed, and research areas are identified that will benefit from the latest spectrometers.
July 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28738394/the-contribution-of-adult-hippocampal-neurogenesis-to-the-progression-of-psychiatric-disorders
#9
Rachel A Kohman, Justin S Rhodes
New neurons are continuously formed in the adult hippocampus of the human, nonhuman primate, and rodent throughout life though rates of neurogenesis precipitously decline with age to near zero levels at the end of the natural life span. Since its discovery in the 1960s, a large number of studies have documented numerous environmental and genetic factors which regulate adult neurogenesis. Chief among the positive regulators of neurogenesis are exercise and antidepressant drugs. Chief among the negative regulators of neurogenesis besides age are stress and inflammation...
July 24, 2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738371/robotic-obstructive-sleep-apnea-surgery
#10
Song Tar Toh, Pon Poh Hsu
Since the first report of the use of the da Vinci robotic system (Intuitive Surgical, Sunnyvale, CA, USA) in transoral robotic tongue base reduction for obstructive sleep apnea (OSA) was published in 2010, this surgical tool and technique has been used worldwide for the resection of tongue base tissue in the multilevel surgical treatment of OSA. The combined knowledge of the published literature on its use has enlightened sleep surgeons worldwide on this new yet evolving surgical tool. Here we will discuss the use of the da Vinci robotic system in the treatment of OSA, the pertinent surgical anatomy for a safe surgical procedure, the primary and secondary outcomes to expect in the multilevel and primary use of this technology in treating the tongue base, the predictors for success or failure, and the complications associated with this technique...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28738331/future-perspectives-in-sleep-medicine
#11
Leh-Kiong Anne Huon, Christian Guilleminault
"Sleep Medicine" is now a specialty in its own right. Currently, there is increasing recognition of the very negative impact sleep disorders have on learning, education, safety, and quality of life. Technological advances will help us to break down diagnoses (e.g., narcolepsy has now been subdivided into types 1 and 2, depending upon the hypocretin levels in the spinal fluid) and to discover relationships to other bodily systems (e.g., type 1 narcolepsy potentially being an autoimmune disorder). The modern lifestyle of many, as characterized by a shortening of sleep periods, shift work, jet lag, and the need to be constantly available, means that advances in sleep medicine may result in a major understanding of more balanced "work-rest lifestyle" modifications...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28738313/high-throughput-phenotyping-to-accelerate-crop-breeding-and-monitoring-of-diseases-in-the-field
#12
REVIEW
Nadia Shakoor, Scott Lee, Todd C Mockler
Effective implementation of technology that facilitates accurate and high-throughput screening of thousands of field-grown lines is critical for accelerating crop improvement and breeding strategies for higher yield and disease tolerance. Progress in the development of field-based high throughput phenotyping methods has advanced considerably in the last 10 years through technological progress in sensor development and high-performance computing. Here, we review recent advances in high throughput field phenotyping technologies designed to inform the genetics of quantitative traits, including crop yield and disease tolerance...
July 21, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28738283/visual-and-reversible-carbon-dioxide-sensing-enabled-by-doctor-blade-coated-macroporous-photonic-crystals
#13
Yi-Han Lin, Shing-Yi Suen, Hongta Yang
With significant impacts of carbon dioxide on global climate change, carbon dioxide sensing is of great importance. However, most of the existing sensing technologies are prone to interferences from carbon monoxide, or suffer from the use of sophisticated instruments. This research reports the development of reproducible carbon dioxide sensor using roll-to-roll compatible doctor blade coated three-dimensional macroporous photonic crystals. The pores are functionalized with amine groups to allow the reaction with carbon dioxide in the presence of humidity...
July 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28738271/heterogeneous-photocatalysis-of-tris-2-chloroethyl-phosphate-by-uv-tio2-degradation-products-and-impacts-on-bacterial-proteome
#14
Jinshao Ye, Juan Liu, Chongshu Li, Pulin Zhou, Shuang Wu, Huase Ou
The widespread, persistent and toxic organophosphorus esters (OPEs) have become one category of emerging environmental contaminants. Thus, it is in urgent need to develop a cost-effective and safe treatment technology for OPEs control. The current study is a comprehensive attempt to use UV/TiO2 heterogeneous photocatalysis for the degradation of a water dissolved OPEs, tris(2-chloroethyl) phosphate (TCEP). A pseudo-first order degradation reaction with a kobs of 0.3167 min(-1) was observed, while hydroxyl radical may be the dominating reactive oxidative species...
July 18, 2017: Water Research
https://www.readbyqxmd.com/read/28738232/molecular-tools-and-emerging-strategies-for-deep-genetic-genomic-refactoring-of-pseudomonas
#15
REVIEW
Esteban Martínez-García, Víctor de Lorenzo
The interest of the genus Pseudomonas largely relies on the virulence of some of its species for plants and animals (including humans). Yet, pathogenic features of some isolates coexist with others often present in environmental variants that promote plant growth and degrade chemical pollutants. Many of these traits can be traced to the intrinsic properties of the genomic chassis of this genus along with distinct genetic parts and devices. With the tools of Synthetic Biology these can be enhanced and/or repurposed for the sake of biological control, environmental remediation and whole-cell biocatalysis...
July 21, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28738203/early-detection-monitoring-for-aquatic-non-indigenous-species-optimizing-surveillance-incorporating-advanced-technologies-and%C3%A2-identifying-research-needs
#16
REVIEW
Anett S Trebitz, Joel C Hoffman, John A Darling, Erik M Pilgrim, John R Kelly, Emily A Brown, W Lindsay Chadderton, Scott P Egan, Erin K Grey, Syed A Hashsham, Katy E Klymus, Andrew R Mahon, Jeffrey L Ram, Martin T Schultz, Carol A Stepien, James C Schardt
Following decades of ecologic and economic impacts from a growing list of nonindigenous and invasive species, government and management entities are committing to systematic early- detection monitoring (EDM). This has reinvigorated investment in the science underpinning such monitoring, as well as the need to convey that science in practical terms to those tasked with EDM implementation. Using the context of nonindigenous species in the North American Great Lakes, this article summarizes the current scientific tools and knowledge - including limitations, research needs, and likely future developments - relevant to various aspects of planning and conducting comprehensive EDM...
July 21, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28738015/observational-study-to-estimate-the-changes-in-the-effectiveness-of-bacillus-calmette-gu%C3%A3-rin-bcg-vaccination-with-time-since-vaccination-for-preventing-tuberculosis-in-the-uk
#17
Punam Mangtani, Patrick Nguipdop-Djomo, Ruth H Keogh, Lucy Trinder, Peter G Smith, Paul Em Fine, Jonathan Sterne, Ibrahim Abubakar, Emilia Vynnycky, John Watson, David Elliman, Marc Lipman, Laura C Rodrigues
BACKGROUND: Until recently, evidence that protection from the bacillus Calmette-Guérin (BCG) vaccination lasted beyond 10 years was limited. In the past few years, studies in Brazil and the USA (in Native Americans) have suggested that protection from BCG vaccination against tuberculosis (TB) in childhood can last for several decades. The UK's universal school-age BCG vaccination programme was stopped in 2005 and the programme of selective vaccination of high-risk (usually ethnic minority) infants was enhanced...
July 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28737995/factors-in-the-4-week-acceptance-of-a-computer-based-chronic-disease-self-monitoring-system-in-patients-with-type-2-diabetes-mellitus-and-or-hypertension
#18
Mian Yan, Calvin Or
BACKGROUND: Health information technology (HIT) interventions developed to support patients' self-care for chronic diseases have become popular, but people may not always accept and sustain their use. INTRODUCTION: This study examined factors that affected patients' acceptance of a computer-based, chronic disease self-monitoring system over a 4-week period. MATERIALS AND METHODS: A research model was developed to test the relationships between the perceived usefulness, perceived ease of use, attitude, and subjective norm and the patients' behavioral intention to use the system (i...
July 21, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28737972/identifying-health-information-technology-needs-of-oncologists-to-facilitate-the-adoption-of-genomic-medicine-recommendations-from-the-2016-american-society-of-clinical-oncology-omics-and-precision-oncology-workshop
#19
Kevin S Hughes, Edward P Ambinder, Gregory P Hess, Peter Paul Yu, Elmer V Bernstam, Mark J Routbort, Jean Rene Clemenceau, John T Hamm, Phillip G Febbo, Susan M Domchek, James L Chen, Jeremy L Warner
At the ASCO Data Standards and Interoperability Summit held in May 2016, it was unanimously decided that four areas of current oncology clinical practice have serious, unmet health information technology needs. The following areas of need were identified: 1) omics and precision oncology, 2) advancing interoperability, 3) patient engagement, and 4) value-based oncology. To begin to address these issues, ASCO convened two complementary workshops: the Omics and Precision Oncology Workshop in October 2016 and the Advancing Interoperability Workshop in December 2016...
July 24, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28737935/the-current-state-of-peptide-drug-discovery-back-to-the-future
#20
Antoine Henninot, James C Collins, John M Nuss
Over the last decade, peptide drug discovery has experienced a revival of interest and scientific momentum, as the pharmaceutical industry has come to appreciate the role that peptide therapeutics can play in addressing unmet medical needs, and how this class of compounds can be an excellent complement or even preferable alternative to small molecule and biological therapeutics. In this perspective we give a concise description of the recent progress in peptide drug discovery in a holistic manner, highlighting enabling technological advances affecting nearly every aspect of this field: from lead discovery, to synthesis and optimization, to peptide drug delivery...
July 24, 2017: Journal of Medicinal Chemistry
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