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https://www.readbyqxmd.com/read/29149765/sorption-desorption-of-antimony-species-onto-calcined-hydrotalcite-surface-structure-and-control-of-competitive-anions
#1
Leonel Vinicius Constantino, Juliana Nunes Quirino, Taufik Abrão, Paulo Sérgio Parreira, Alexandre Urbano, Maria Josefa Santos
Calcined hydrotalcite can be applied to remove anionic contaminants from aqueous systems such as antimony species due to its great anion exchange capacity and high surface area. Hence, this study evaluated antimonite and antimonate sorption-desorption processes onto calcined hydrotalcite in the presence of nitrate, sulfate and phosphate. Sorption and desorption experiments of antimonite and antimonate were carried out in batch equilibrium and the post-sorption solids were analyzed by X-ray fluorescence (EDXRF)...
November 10, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29149686/preliminary-application-of-structure-from-motion-and-gis-to-document-decomposition-and-taphonomic-processes
#2
Connor D Carlton, Samantha Mitchell, Patrick Lewis
Over the past decade, Structure from Motion (SfM) has increasingly been used as a means of digital preservation and for documenting archaeological excavations, architecture, and cultural material. However, few studies have tapped the potential of using SfM to document and analyze taphonomic processes affecting burials for forensic sciences purposes. This project utilizes SfM models to elucidate specific post-depositional events that affected a series of three human cadavers deposited at the South East Texas Applied Forensic Science Facility (STAFS)...
November 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29149675/evaluation-of-potassium-ferrate-as-an-alternative-disinfectant-on-cyanobacteria-inactivation-and-associated-toxin-fate-in-various-waters
#3
Jiajia Fan, Bo-Hung Lin, Che-Wei Chang, Yuqing Zhang, Tsair-Fuh Lin
Potassium ferrate (K2FeO4) is an effective oxidant that may be used as a pre- or post-oxidant in the purification of source water with cyanobacterial issues. To provide a better basis for the application of this oxidant during water treatment processes, the impacts of K2FeO4 on the cell viability of Microcystis aeruginosa and the fate of associated microcystins (MCs) were investigated in various water matrices. The results showed that a water matrix can significantly affect the effectiveness of K2FeO4 on cyanobacteria inactivation...
November 9, 2017: Water Research
https://www.readbyqxmd.com/read/29149618/effectiveness-of-a-patient-centred-empowerment-based-intervention-programme-among-patients-with-poorly-controlled-type-2-diabetes-a-randomised-controlled-trial
#4
Li Cheng, Janet W H Sit, Kai-Chow Choi, Sek-Ying Chair, Xiaomei Li, Yuning Wu, Junhong Long, Meihua Tao
BACKGROUND: Despite extensive efforts and advances in evidence-based diabetes management, poor glycaemic control still remains a challenge in many countries. There is a paucity of research addressing the needs of patients with poorly controlled type 2 diabetes, or exploring the effectiveness of empowerment-based interventions in this vulnerable population. OBJECTIVES: To evaluate the effectiveness of a patient-centred, empowerment-based programme on glycaemic control and self-management behaviours among patients with poorly controlled type 2 diabetes...
November 3, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29149564/binding-thermodynamics-and-kinetics-calculations-using-chemical-host-and-guest-a-comprehensive-picture-of-molecular-recognition
#5
Zhiye Tang, Chia-En A Chang
Understanding the fine balance between changes of entropy and enthalpy and the competition between a guest and water molecules in molecular binding is crucial in fundamental studies and practical applications. Experiments provide measurements. However, illustrating the binding/unbinding processes gives a complete picture of molecular recognition not directly available from experiments, and computational methods bridge the gaps. Here, we investigated guest association/dissociation with β-cyclodextrin (β-CD) by using microsecond-timescale molecular dynamics (MD) simulations, post-analysis and numerical calculations...
November 17, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/29149461/long-non-coding-rnas-involve-in-resistance-to-verticillium-dahliae-a-fungal-disease-in-cotton
#6
Lin Zhang, Maojun Wang, Nannan Li, Honglei Wang, Ping Qiu, Liuling Pei, Zheng Xu, Tianyi Wang, Erlin Gao, Junxia Liu, Shiming Liu, Qin Hu, Yuhuan Miao, Keith Lindsey, Lili Tu, Longfu Zhu, Xianlong Zhang
Long non-coding RNAs (lncRNAs) have several known functions in plant development, but their possible roles in responding to plant disease remain largely unresolved. In this study, we described a comprehensive disease-responding lncRNA profiles in defense against a cotton fungal disease Verticillium dahliae. We further revealed the conserved and specific characters of disease responding process between two cotton species. Conservatively for two cotton species, we found the expression dominance of induced lncRNAs in the Dt subgenome, indicating a biased induction pattern in the co-existing subgenomes of allotetraploid cotton...
November 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/29149327/focused-time-lapse-analysis-reveals-novel-aspects-of-human-fertilization-and-suggests-new-parameters-of-embryo-viability
#7
G Coticchio, M Mignini Renzini, P V Novara, M Lain, E De Ponti, D Turchi, R Fadini, M Dal Canto
STUDY QUESTION: Can focused application of time-lapse microscopy (TLM) lead to a more detailed map of the morphokinetics of human fertilization, revealing novel or neglected aspects of this process? SUMMARY ANSWER: Intensive harnessing of TLM reveals novel or previously poorly characterised phenomena of fertilization, such as a cytoplasmic wave (CW) preceding pronuclear formation and kinetics of pronuclear chromatin polarization, thereby suggesting novel non-invasive biomarkers of embryo quality...
November 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29149313/how-do-health-workers-experience-and-cope-with-shocks-learning-from-four-fragile-and-conflict-affected-health-systems-in-uganda-sierra-leone-zimbabwe-and-cambodia
#8
Sophie Witter, Haja Wurie, Pamela Chandiwana, Justine Namakula, Sovannarith So, Alvaro Alonso-Garbayo, Freddie Ssengooba, Joanna Raven
This article is grounded in a research programme which set out to understand how to rebuild health systems post-conflict. Four countries were studied-Uganda, Sierra Leone, Zimbabwe and Cambodia-which were at different distances from conflict and crisis, as well as having unique conflict stories. During the research process, the Ebola epidemic broke out in West Africa. Zimbabwe has continued to face a profound economic crisis. Within our research on health worker incentives, we captured insights from 128 life histories and in-depth interviews with a variety of staff that had remained in service...
November 1, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/29149247/quantitative-proteomic-profiling-of-bovine-follicular-fluid-during-follicle-development
#9
Rodrigo de Andrade Ferrazza, Elizabeth Moreira Dos Santos Schmidt, Monika Mihm Carmichael, Fabiana Ferreira de Souza, Richard Burchmore, Roberto Sartori, Peter David Eckersall, João Carlos Pinheiro Ferreira
Bovine follicular fluid (FF) constitutes the microenvironment of follicles and includes various biologically active proteins. We performed a study involving 18 healthy non-lactating Holstein cows to determine the protein expression profile of FF at key-stages of follicular development. Follicles were individually aspirated in vivo at pre-deviation (F1∼7.0mm); deviation (F1∼8.5mm); post-deviation (F1∼12.0mm); and pre-ovulatory stages of follicle development, which were confirmed by measurement of follicular estradiol and progesterone concentrations...
November 15, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29149017/the-ms6-mycolyl-arabinogalactan-esterase-lysb-is-essential-for-an-efficient-mycobacteriophage-induced-lysis
#10
Adriano M Gigante, Cheri M Hampton, Rebecca S Dillard, Filipa Gil, Maria João Catalão, José Moniz-Pereira, Elizabeth R Wright, Madalena Pimentel
All dsDNA phages encode two proteins involved in host lysis, an endolysin and a holin that target the peptidoglycan and cytoplasmic membrane, respectively. Bacteriophages that infect Gram-negative bacteria encode additional proteins, the spanins, involved in disruption of the outer membrane. Recently, a gene located in the lytic cassette was identified in the genomes of mycobacteriophages, which encodes a protein (LysB) with mycolyl-arabinogalactan esterase activity. Taking in consideration the complex mycobacterial cell envelope that mycobacteriophages encounter during their life cycle, it is valuable to evaluate the role of these proteins in lysis...
November 17, 2017: Viruses
https://www.readbyqxmd.com/read/29148845/speech-recovery-and-language-plasticity-can-be-facilitated-by-sensori-motor-fusion-training-in-chronic-non-fluent-aphasia-a-case-report-study
#11
Célise Haldin, Audrey Acher, Louise Kauffmann, Thomas Hueber, Emilie Cousin, Pierre Badin, Pascal Perrier, Diandra Fabre, Dominic Perennou, Olivier Detante, Assia Jaillard, Hélène Lœvenbruck, Monica Baciu
The rehabilitation of speech disorders benefits from providing visual information which may improve speech motor plans in patients. We tested the proof of concept of a rehabilitation method (Sensori-Motor Fusion, SMF; Ultraspeech player) in one post-stroke patient presenting chronic non-fluent aphasia. SMF allows visualisation by the patient of target tongue and lips movements using high-speed ultrasound and video imaging. This can improve the patient's awareness of his/her own lingual and labial movements, which can, in turn, improve the representation of articulatory movements and increase the ability to coordinate and combine articulatory gestures...
November 17, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/29148570/robust-optimization-in-impt-using-quadratic-objective-functions-to-account-for-the-minimum-mu-constraint
#12
Jie Shan, Yu An, Martin Bues, Steven E Schild, Wei Liu
PURPOSE: Currently, in clinical practice of intensity-modulated proton therapy (IMPT), the influence of the minimum monitor unit (MU) constraint is taken into account through post-processing after the optimization is completed. This may degrade the plan quality and plan robustness. This study aims to mitigate the impact of the minimum MU constraint directly during the plan robust optimization. METHODS AND MATERIALS: Cao et al. have demonstrated a two-stage method to account for the minimum MU constraint using linear programming without the impact of uncertainties considered...
November 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/29148564/differential-processing-in-modality-specific-mauthner-cell-dendrites
#13
V Medan, T Mäki-Marttunen, J Sztarker, T Preuss
Animals process multimodal information for adaptive behavioural decisions. In fish, evasion of a diving bird that breaks the water surface depends on integrating visual and auditory stimuli with very different characteristics. How do neurons process such differential sensory inputs at the dendritic level? For that we studied the Mauthner-cells (M-cells) in the goldfish startle circuit, which receive visual and auditory inputs via two separate dendrites, both accessible for in vivo recordings. We asked if electrophysiological membrane properties and dendrite morphology, studied in vivo, play a role in selective sensory processing in the M-cell...
November 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29148136/effects-of-sensitive-electrical-stimulation-based-somatosensory-cueing-in-parkinson-s-disease-gait-and-freezing-of-gait-assessment
#14
Benoît Sijobert, Christine Azevedo, David Andreu, Claudia Verna, Christian Geny
This study aims to investigate the effect of a somatosensory cueing on gait disorders in subjects with Parkinson's disease (PD). After having performed stepping in place and timed up and go assessing tasks, 13 participants with PD were equipped with an electrical stimulator and an inertial measurement unit (IMU) located under the lateral malleolus on the sagittal plane. Electrodes were positioned under the arch of the foot and electrical stimulation (ES) parameters (five 500 µs/phase charge-balanced biphasic pulses delivered at 200 Hz, repeated four times at 10 Hz) adjusted to deliver a sensitive signal...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29147989/abatement-of-humic-acid-from-aqueous-solution-using-a-carbonaceous-conjugated-microporous-polymer-derived-from-waste-polystyrene
#15
Nhamo Chaukura, Welldone Moyo, Bhekie B Mamba, Thabo I Nkambule
Humic acid (HA) is a major constituent of natural organic matter (NOM) found in water systems. Although NOM generally does not have any known harmful effects to humans, it imparts repulsive organoleptic properties to water, reacts with disinfectants to produce toxic products, and interferes with the efficiency of water treatment processes. The removal of NOM and related compounds from water is therefore important to render water potable and suitable for other applications. In this work, a hitherto unreported carbonaceous conjugated microporous polymer (CCMP) prepared through the organic-polymeric-precursor-controlled carbonization of hypercrosslinked post-consumer waste polystyrene (WPS) was evaluated for its capacity to remove HA from synthetic wastewater...
November 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29147907/protein-repair-from-glycation-by-glyoxals-by-the-dj-1-family-maillard-deglycases
#16
Mouadh Mihoub, Jad Abdallah, Gilbert Richarme
DJ-1 and its prokaryotic homologs, Hsp31, YhbO and YajL from Escherichia coli and PfpI from Pyrococcus furiosus, repair proteins from glycation by glyoxals (R-CO-CHO), which constitute their major glycating agents. Glycation is a non-enzymatic covalent reaction discovered by Louis Camille Maillard in 1912, between reactive carbonyls (reducing sugars and glyoxals) and amino acids (cysteine, arginine and lysine), which inactivates proteins. By degrading Maillard adducts formed between carbonyls and thiols or amino groups, the DJ-1 family Maillard deglycases prevent the formation of the so-called advanced glycation end products (AGEs) that arise from Maillard adducts after dehydrations, oxidations and rearrangements...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147631/automated-whole-brain-tractography-affects-preoperative-surgical-decision-making
#17
Hesham Zakaria, Sameah Haider, Ian Lee
Surgery in and around eloquent brain structures poses a technical challenge when the goal of surgery is maximal safe resection. Magnetic resonance imaging (MRI) has revolutionized the diagnosis and treatment of neurological disorders, but tractography still remains limited in terms of utility because of the requisite manual labor and time required combined with the high risk of bias and inaccuracy. Automated whole brain tractography (AWBT) has simplified this workflow, overcoming historical barriers, and allowing for integration into modern neuronavigation...
September 6, 2017: Curēus
https://www.readbyqxmd.com/read/29147467/problematic-communications-during-2016-fellowship-recruitment-in-internal-medicine
#18
Patricia A Cornett, Chris Williams, Richard L Alweis, John McConville, Michael Frank, Bhavin Dalal, Richard I Kopelman, Vera P Luther, Alec B O'connor, Elaine A Muchmore
Some internal medicine residency program directors have expressed concerns that their third-year residents may have been subjected to inappropriate communication during the 2016 fellowship recruitment season. The authors sought to study applicants' interpersonal communication experiences with fellowship programs. Many respondents indicated that they had been asked questions that would constitute violations of the National Residency Matching Program (NRMP) Communications Code of Conduct agreement, including how they plan to rank specific programs...
2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29147136/step-by-step-strategy-in-the-management-of-residual-hepatolithiasis-using-post-operative-cholangioscopy
#19
REVIEW
Xu-Dong Wen, Tao Wang, Zhu Huang, Hong-Jian Zhang, Bing-Yin Zhang, Li-Jun Tang, Wei-Hui Liu
Hepatolithiasis is the presence of calculi within the intrahepatic bile duct specifically located proximal to the confluence of the left and right hepatic ducts. The ultimate goal of hepatolithiasis treatment is the complete removal of the stone, the correction of the associated strictures and the prevention of recurrent cholangitis. Although hepatectomy could effectively achieve the above goals, it can be restricted by the risk of insufficient residual liver volume, and has a 15.6% rate of residual hepatolithiasis...
November 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29146736/quantitative-high-throughput-screening-identifies-cytoprotective-molecules-that-enhance-sumo-conjugation-via-the-inhibition-of-sumo-specific-protease-senp-2
#20
Joshua D Bernstock, Daniel Ye, Jayden A Smith, Yang-Ja Lee, Florian A Gessler, Adam Yasgar, Jennifer Kouznetsova, Ajit Jadhav, Zhuoran Wang, Stefano Pluchino, Wei Zheng, Anton Simeonov, John M Hallenbeck, Wei Yang
The development of novel neuroprotective treatments for acute stroke has been fraught with failures, which supports the view of ischemic brain damage as a highly complex multifactorial process. Post-translational modifications such as small ubiquitin-like modifier (SUMO)ylation have emerged as critical molecular regulatory mechanisms in states of both homeostasis and ischemic stress, as evidenced by our previous work. Accordingly, the clinical significance of the selective control of the global SUMOylation process has become apparent in studies of ischemic pathobiology and pathophysiology...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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