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https://www.readbyqxmd.com/read/29778073/non-selective-rapid-electro-oxidation-of-persistent-refractory-vocs-in-industrial-wastewater-using-a-highly-catalytic-and-dimensionally-stable-irpd-ti-composite-electrode
#1
Wan-Cheol Cho, Kyung-Min Poo, Hend Omar Mohamed, Tae-Nam Kim, Yul-Seong Kim, Moon Hyun Hwang, Do-Won Jung, Kyu-Jung Chae
Volatile organic compounds (VOCs) are highly toxic contaminants commonly dissolved in industrial wastewater. Therefore, treatment of VOC-containing wastewater requires a robust and rapid reaction because liquid VOCs can become volatile secondary pollutants. In this study, electro-oxidation with catalytic composite dimensionally stable anodes (DSAs)-a promising process for degrading organic pollutants-was applied to remove various VOCs (chloroform, benzene, toluene, and trichloroethylene). Excellent treatment efficiency of VOCs was demonstrated...
May 11, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778064/is-the-limit-cycle-attractor-an-almost-invariable-characteristic-in-human-walking
#2
Kim-Charline Broscheid, Christian Dettmers, Manfred Vieten
BACKGROUND: Common methods of gait analyses measure step length/width, gait velocity and gait variability to name just a few. Those parameters tend to be changing with fitness and skill of the subjects. But, do stable subject characteristic parameters in walking exist? Does the Limit-Cycle-Attractor qualify as such a parameter?. RESEARCH QUESTION: The attractor method is a new approach focusing on the dynamics of human motion. It classifies the fundamental walking pattern by calculating the Limit-Cycle-Attractor and its variability from acceleration data of the feet...
May 16, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29777955/perspectives-and-limitations-for-nucleo-t-side-analogs-in-future-hbv-therapies
#3
REVIEW
Massimo Levrero, Miroslava Subic, Francois Villeret, Fabien Zoulim
The latest generation of nucleo(t)side analogs (NAs) provide robust virus suppression with high barrier to resistance. Long term NAs treatment is associated with a partial restoration in HBV-specific T-cell functions, regression of fibrosis, no disease progression and a reduction of HCC risk but rarely lead to cure and life-long treatments is often required. New insights into the hepatitis B viral life cycle and the host immune response have expanded the potential targets for drug therapies with interesting antiviral candidates and novel immunotherapeutic approaches in early stage development...
May 16, 2018: Current Opinion in Virology
https://www.readbyqxmd.com/read/29777905/coupling-of-the-polyamine-and-iron-metabolism-pathways-in-the-regulation-of-proliferation-mechanistic-links-to-alterations-in-key-polyamine-biosynthetic-and-catabolic-enzymes
#4
Darius J R Lane, Dong-Hun Bae, Aritee R Siafakas, Yohan Suryo Rahmanto, Lina Al-Akra, Patric J Jansson, Robert A Casero, Des R Richardson
Many biological processes result from the coupling of metabolic pathways. Considering this, proliferation depends on adequate iron and polyamines, and although iron-depletion impairs proliferation, the metabolic link between iron and polyamine metabolism has never been thoroughly investigated. This is important to decipher, as many disease states demonstrate co-dysregulation of iron and polyamine metabolism. Herein, for the first time, we demonstrate that cellular iron levels robustly regulate 13 polyamine pathway proteins...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777879/standardizing-evaluation-process-necessary-for-achieving-sdgs-a-case-study-of-india
#5
Alok Srivastava
A set of 17 Sustainable Development Goals (SDGs) adopted by the United Nations General Assembly in September 2015 are to be implemented and achieved in every country from the year 2016 to 2030. In Indian context, all these goals are very relevant and critical, as India missed the target on many components of the Millennium Development Goals (MDGs). The author strongly feels that one of the key reasons was lack of an in-built robust system for measuring the progress and achievements of MDGs. Monitoring and Evaluation of programmes and schemes, aiming at different SDGs, in a robust and regular manner is therefore need of the hour...
May 9, 2018: Evaluation and Program Planning
https://www.readbyqxmd.com/read/29777827/is-reward-prediction-error-encoding-reliable-during-development
#6
Hanna Keren, Gang Chen, Brenda Benson, Monique Ernst, Ellen Leibenluft, Nathan A Fox, Daniel S Pine, Argyris Stringaris
Reward Prediction Errors (RPEs), defined as the difference between the expected and received outcomes, are integral to reinforcement learning models and play an important role in development and psychopathology. In humans, RPE encoding can be estimated using fMRI recordings, however, a basic measurement property of RPE signals, their test-retest reliability across different time scales, remains an open question. In this paper, we examine the 3-month and 3-year reliability of RPE encoding in youth (mean age at baseline = 10...
May 16, 2018: NeuroImage
https://www.readbyqxmd.com/read/29777750/post-a-framework-for-set-based-association-analysis-in-high-dimensional-data
#7
Xueyuan Cao, E Olusegun George, Mingjuan Wang, Dale B Armstrong, Cheng Cheng, Susana Raimondi, Jeffrey E Rubnitz, James R Downing, Mondira Kundu, Stanley B Pounds
Evaluating the differential expression of a set of genes belonging to a common biological process or ontology has proven to be a very useful tool for biological discovery. However, existing gene-set association methods are limited to applications that evaluate differential expression across k⩾2 treatment groups or biological categories. This limitation precludes researchers from most effectively evaluating the association with other phenotypes that may be more clinically meaningful, such as quantitative variables or censored survival time variables...
May 16, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29777695/proteasome-mediated-protein-degradation-is-enhanced-by-fusion-ubiquitin-with-unstructured-degron
#8
Tomonao Inobe, Masayuki Tsukamoto, Miyuki Nozaki
Methods to induce proteasomal degradation of unwanted proteins are valuable in biomedical studies and thus receive increasing attention. For efficient degradation, the proteasome requires both a ubiquitin tag, which delivers substrates to the proteasome, and an unstructured region, where the proteasome engages the substrate for unfolding and degradation. We fused two degron components into a single molecule to create a fusion protein comprising ubiquitin and Rpn4-derived unstructured region. We demonstrated that the fusion protein retained its function to polyubiquitinate target proteins, thereby inducing more efficient proteasomal target degradation than wild-type ubiquitin in vitro and in cells...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777679/development-of-dnazyme-based-pcr-signal-cascade-amplification-for-visual-detection-of-listeria-monocytogenes-in-food
#9
Zhanmin Liu, Chenhui Yao, Cuiyun Yang, Yanming Wang, Sibao Wan, Junyi Huang
Listeria monocytogenes is an important food-borne pathogen, and it can cause severe diseases. Rapid detection of L. monocytogenes is crucial to control this pathogen. A simple and robust strategy based on the cascade of PCR and G-quadruplex DNAzyme catalyzed reaction was used to detect L. monocytogenes. In the presence of hemin and the aptamer formed during PCR, the catalytic horseradish peroxidase-mimicking G-quadruplex DNAzymes allow the colorimetric responses of target DNA from L. monocytogenes. This assay can detect genomic DNA of L...
May 16, 2018: Analytical Biochemistry
https://www.readbyqxmd.com/read/29777596/morphological-analysis-of-pore-size-and-connectivity-in-a-thick-mixed-culture-biofilm
#10
Alex F Rosenthal, James S Griffin, Michael Wagner, Aaron I Packman, Oluwaseyi Balogun, George F Wells
Morphological parameters are commonly used to predict transport and metabolic kinetics in biofilms. Yet, quantification of biofilm morphology remains challenging due to imaging technology limitations and lack of robust analytical approaches. We present a novel set of imaging and image analysis techniques to estimate internal porosity, pore size distributions, and pore network connectivity to a depth of 1 mm at a resolution of 10 µm in a biofilm exhibiting both heterotrophic and nitrifying activity. Optical coherence tomography (OCT) scans revealed an extensive pore network with diameters as large as 110 µm directly connected to the biofilm surface and surrounding fluid...
May 19, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29777580/context-encoding-enables-machine-learning-based-quantitative-photoacoustics
#11
Thomas Kirchner, Janek Gröhl, Lena Maier-Hein
Real-time monitoring of functional tissue parameters, such as local blood oxygenation, based on optical imaging could provide groundbreaking advances in the diagnosis and interventional therapy of various diseases. Although photoacoustic (PA) imaging is a modality with great potential to measure optical absorption deep inside tissue, quantification of the measurements remains a major challenge. We introduce the first machine learning-based approach to quantitative PA imaging (qPAI), which relies on learning the fluence in a voxel to deduce the corresponding optical absorption...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29777528/state-of-the-art-review-on-physiologically-based-pharmacokinetic-modeling-in-pediatric-drug-development
#12
REVIEW
Venkata Yellepeddi, Joseph Rower, Xiaoxi Liu, Shaun Kumar, Jahidur Rashid, Catherine M T Sherwin
Physiologically based pharmacokinetic modeling and simulation is an important tool for predicting the pharmacokinetics, pharmacodynamics, and safety of drugs in pediatrics. Physiologically based pharmacokinetic modeling is applied in pediatric drug development for first-time-in-pediatric dose selection, simulation-based trial design, correlation with target organ toxicities, risk assessment by investigating possible drug-drug interactions, real-time assessment of pharmacokinetic-safety relationships, and assessment of non-systemic biodistribution targets...
May 18, 2018: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29777527/limiting-motor-skill-knowledge-via-incidental-training-protects-against-choking-under-pressure
#13
Taraz G Lee, Daniel E Acuña, Konrad P Kording, Scott T Grafton
The paradoxical harmful effects of motivation and incentives on skilled performance ("choking under pressure") are observed in a wide variety of motor tasks. Two theories of this phenomenon suggest that choking under pressure occurs due to maladaptive attention and top-down control, either through distraction away from the task or interference via an overreliance on controlled processing of a skilled task. A third theory, overmotivation (or overarousal), suggests that under pressure, "instinctive" or Pavlovian approach/withdrawal responses compete with the desired response...
May 18, 2018: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/29777512/discovery-of-an-acidic-thermostable-and-highly-nadp-dependent-formate-dehydrogenase-from-lactobacillus-buchneri-nrrl-b-30929
#14
Saadet Alpdağtaş, Sevil Yücel, Handan Açelya Kapkaç, Siqing Liu, Barış Binay
OBJECTIVES: To identify a robust NADP+ dependent formate dehydrogenase from Lactobacillus buchneri NRRL B-30929 (LbFDH) with unique biochemical properties. RESULTS: A new NADP+ dependent formate dehydrogenase gene (fdh) was cloned from genomic DNA of L. buchneri NRRL B-30929. The recombinant construct was expressed in Escherichia coli BL21(DE3) with 6 × histidine at the C-terminus and the purified protein obtained as a single band of approx. 44 kDa on SDS-PAGE and 90 kDa on native-PAGE...
May 18, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29777410/startling-differences-using-the-acoustic-startle-response-to-study-sex-differences-and-neurosteroids-in-affective-disorders
#15
REVIEW
Liisa Hantsoo, Carla E M Golden, Sara Kornfield, Christian Grillon, C Neill Epperson
PURPOSE OF REVIEW: Neuroactive steroid hormones, such as estradiol and progesterone, likely play a role in the pathophysiology of female-specific psychiatric disorders such as premenstrual dysphoric disorder (PMDD) and postpartum depression and may contribute to the marked sex differences observed in the incidence and presentation of affective disorders. However, few tools are available to study the precise contributions of these neuroactive steroids (NSs). In this review, we propose that the acoustic startle response (ASR), an objective measure of an organism's response to an emotional context or stressor, is sensitive to NSs...
May 18, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29777373/safety-and-feasibility-of-pulmonary-artery-pressure-guided-heart-failure-therapy-rationale-and-design-of-the-prospective-cardiomems-monitoring-study-for-heart-failure-mems-hf
#16
Christiane E Angermann, Birgit Assmus, Stefan D Anker, Johannes Brachmann, Georg Ertl, Friedrich Köhler, Stephan Rosenkranz, Carsten Tschöpe, Philip B Adamson, Michael Böhm
BACKGROUND: Wireless monitoring of pulmonary artery (PA) pressures with the CardioMEMS HF™ system is indicated in patients with New York Heart Association (NYHA) class III heart failure (HF). Randomized and observational trials have shown a reduction in HF-related hospitalizations and improved quality of life in patients using this device in the United States. OBJECTIVE: MEMS-HF is a prospective, non-randomized, open-label, multicenter study to characterize safety and feasibility of using remote PA pressure monitoring in a real-world setting in Germany, The Netherlands and Ireland...
May 19, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29777212/regulation-of-macrophage-immunometabolism-in-atherosclerosis
#17
REVIEW
Graeme J Koelwyn, Emma M Corr, Ebru Erbay, Kathryn J Moore
After activation, cells of the myeloid lineage undergo robust metabolic transitions, as well as discrete epigenetic changes, that can dictate both ongoing and future inflammatory responses. In atherosclerosis, in which macrophages play central roles in the initiation, growth, and ultimately rupture of arterial plaques, altered metabolism is a key feature that dictates macrophage function and subsequent disease progression. This Review explores how factors central to the plaque microenvironment (for example, altered cholesterol metabolism, oxidative stress, hypoxia, apoptotic and necrotic cells, and hyperglycemia) shape the metabolic rewiring of macrophages in atherosclerosis as well as how these metabolic shifts in turn alter macrophage immune-effector and tissue-reparative functions...
May 18, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29777183/harmless-sea-snail-parasite-causes-mass-mortalities-in-numerous-commercial-scallop-populations-in-the-northern-hemisphere
#18
Árni Kristmundsson, Mark Andrew Freeman
Apicomplexans comprise a group of unicellular, often highly pathogenic, obligate parasites exploiting either one or two hosts to complete a full reproductive cycle. For decades, various scallop populations have suffered cyclical mass mortality events, several of which shown to be caused by apicomplexan infections. We report the first dual mollusc life cycle for an apicomplexan: a species highly pathogenic in various pectinid bivalve species, but apathogenic when infecting the common whelk as Merocystis kathae...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777147/prediction-of-moisture-content-for-congou-black-tea-withering-leaves-using-image-features-and-nonlinear-method
#19
Gaozhen Liang, Chunwang Dong, Bin Hu, Hongkai Zhu, Haibo Yuan, Yongwen Jiang, Guoshuang Hao
Withering is the first step in the processing of congou black tea. With respect to the deficiency of traditional water content detection methods, a machine vision based NDT (Non Destructive Testing) method was established to detect the moisture content of withered leaves. First, according to the time sequences using computer visual system collected visible light images of tea leaf surfaces, and color and texture characteristics are extracted through the spatial changes of colors. Then quantitative prediction models for moisture content detection of withered tea leaves was established through linear PLS (Partial Least Squares) and non-linear SVM (Support Vector Machine)...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777122/alcohol-facilitates-detection-of-concealed-identity-information
#20
Kristina Suchotzki, Matthias Gamer
The Concealed Information Test (CIT) is a well-validated means to detect whether someone possesses certain (e.g., crime-relevant) information. The current study investigated whether alcohol intoxication during CIT administration influences reaction time (RT) CIT-effects. Two opposing predictions can be made. First, by decreasing attention to critical information, alcohol intoxication could diminish CIT-effects. Second, by hampering the inhibition of truthful responses, alcohol intoxication could increase CIT-effects...
May 18, 2018: Scientific Reports
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