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https://www.readbyqxmd.com/read/29792966/one-step-fabrication-of-chitosan-fe-oh-3-beads-for-efficient-adsorption-of-anionic-dyes
#1
XinxinYang, Yumei Li, Hongmei Gao, Chuying Wang, Xiaohuan Zhang, Hongli Zhou
In this study, we reported the one-step synthesis of chitosan-Fe(OH)3 beads without the use of acid solvent, which could be used as effective adsorbents for anionic dyes removal. The preparation process was easy and green. The as-prepared beads were characterized for structural and morphological analysis in detail using several techniques, such as Scanning Electron Microscope, Fourier Transform Infrared Spectroscopy, X-Ray Diffraction, X-ray photoelectron spectroscopy and Thermogravimetric analysis. The content of Fe(OH)3 in chitosan-Fe(OH)3 beads was 54...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792959/fabrication-and-cytotoxicity-assessment-of-cellulose-nanofibrils-using-bassia-eriophora-biomass
#2
Jegan Athinarayanan, Vaiyapuri Subbarayan Periasamy, Ali A Alshatwi
Cellulose nanofibrils (CNs) are eco-friendly, biodegradable, biocompatible, renewable, cost-effective, and possess excellent mechanical properties. We fabricated CNs from Bassia eriophora biomass, and the structure and morphology were investigated by transmission electron microscopy that revealed 2-6 μm long fibrillated structures with diameters of 15-40 nm. CNs biocompatibility was assessed using in vitro based assays, including cell viability assay, AO/EB staining, Hoechst staining, JC-1 staining, and gene expression analysis...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792937/a-reliable-targeted-next-generation-sequencing-strategy-for-diagnosis-of-myopathies-and-muscular-dystrophies-especially-for-the-giant-titin-and-nebulin-genes
#3
Reda Zenagui, Delphine Lacourt, Henri Pegeot, Kevin Yauy, Raul Juntas Morales, Corine Theze, François Rivier, Claude Cances, Guilhem Sole, Dimitri Renard, Ulrike Walther-Louvier, Xavier Ferrer-Monasterio, Caroline Espil, Marie-Christine Arné-Bes, Pascal Cintas, Emmanuelle Uro-Coste, Marie-Laure Martin Negrier, Valérie Rigau, Eric Bieth, Cyril Goizet, Mireille Claustres, Michel Koenig, Mireille Cossée
Myopathies and muscular dystrophies (M-MDs) are genetically heterogeneous diseases, with more than 100 identified genes, including the giant and complex titin (TTN) and nebulin (NEB) genes. Next-generation sequencing technology revolutionized M-MD diagnosis and revealed high frequency of TTN and NEB variants. We developed a next-generation sequencing diagnostic strategy targeted on the coding sequences of 135 M-MD genes. Comparison of two targeted capture technologies (SeqCap EZ Choice library capture kit (Roche-Nimblegen) and Nextera Rapid Capture Custom Enrichment kit (Illumina)) and of two whole exome sequencing kits (SureSelect V5 (Agilent) and TruSeq RapidExome capture (Illumina)) revealed best coverage with the SeqCap EZ Choice protocol...
May 21, 2018: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/29792786/imageless-navigation-total-hip-arthroplasty-an-evaluation-of-operative-time
#4
Epaminondas Markos Valsamis, David Ricketts, Adnan Hussain, Amir-Reza Jenabzadeh
INTRODUCTION: Imageless navigation has been successfully integrated in knee arthroplasty but its effectiveness in total hip arthroplasty (THA) has been debated. It has consistently been shown that navigation adds significant time and cost to the operation. Further, the relative success of traditional hip replacements has impeded the adoption of new techniques. METHODS: We compared the operative time between fifty total hip replacements with and without the use of imageless navigation by a single senior surgeon in a retrospective study...
2018: SICOT-J
https://www.readbyqxmd.com/read/29792442/the-case-against-specialized-visual-spatial-short-term-memory
#5
Candice C Morey
The dominant paradigm for understanding working memory, or the combination of the perceptual, attentional, and mnemonic processes needed for thinking, subdivides short-term memory (STM) according to whether memoranda are encoded in aural-verbal or visual formats. This traditional dissociation has been supported by examples of neuropsychological patients who seem to selectively lack STM for either aural-verbal, visual, or spatial memoranda, and by experimental research using dual-task methods. Though this evidence is the foundation of assumptions of modular STM systems, the case it makes for a specialized visual STM system is surprisingly weak...
May 24, 2018: Psychological Bulletin
https://www.readbyqxmd.com/read/29792293/recruitment-and-participation-of-recreational-runners-in-a-large-epidemiological-and-genetic-research-study-retrospective-data-analysis
#6
Silvia Manzanero, Maria Kozlovskaia, Nicole Vlahovich, David C Hughes
BACKGROUND: With the increasing capacity for remote collection of both data and samples for medical research, a thorough assessment is needed to determine the association of population characteristics and recruitment methodologies with response rates. OBJECTIVE: The aim of this research was to assess population representativeness in a two-stage study of health and injury in recreational runners, which consisted of an epidemiological arm and genetic analysis. METHODS: The cost and success of various classical and internet-based methods were analyzed, and demographic representativeness was assessed for recruitment to the epidemiological survey, reported willingness to participate in the genetic arm of the study, actual participation, sample return, and approval for biobank storage...
May 23, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29792160/nextsv-a-meta-caller-for-structural-variants-from-low-coverage-long-read-sequencing-data
#7
Li Fang, Jiang Hu, Depeng Wang, Kai Wang
BACKGROUND: Structural variants (SVs) in human genomes are implicated in a variety of human diseases. Long-read sequencing delivers much longer read lengths than short-read sequencing and may greatly improve SV detection. However, due to the relatively high cost of long-read sequencing, it is unclear what coverage is needed and how to optimally use the aligners and SV callers. RESULTS: In this study, we developed NextSV, a meta-caller to perform SV calling from low coverage long-read sequencing data...
May 23, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/29791928/the-impact-of-medical-comorbidities-on-primary-total-knee-arthroplasty-reimbursements
#8
Karim G Sabeh, Samuel Rosas, Leonard T Buller, Andrew A Freiberg, Cynthia L Emory, Martin W Roche
Medical comorbidities have been shown to cause an increase in peri-and postoperative complications following total knee arthroplasty (TKA). However, the increase in cost associated with these complications has yet to be determined. Factors that influence cost have been of great interest particularly after the initiation of bundled payment initiatives. In this study, we present and quantify the influence of common medical comorbidities on the cost of care in patients undergoing primary TKA. A retrospective level of evidence III study was performed using the PearlDiver supercomputer to identify patients who underwent primary TKA between 2007 and 2015...
May 23, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29791721/persistence-of-treatment-with-biologics-for-patients-with-psoriasis-a-real-world-analysis-of-16-545-biologic-na%C3%A3-ve-patients-from-the-french-national-health-insurance-database-sniiram
#9
E Sbidian, M Mezzarobba, A Weill, J Coste, J Rudant
BACKGROUND: Long-term clinical effectiveness of biologics in psoriasis is needed. OBJECTIVES: We aimed to assess the long-term persistence of biologics used to treat psoriasis in a real-life setting. METHODS: All adults with psoriasis having been registered in the French national health insurance database (SNIIRAM) between 2008 and 2016 were eligible for inclusion. Psoriasis was defined as the fulfilment of at least two prescriptions for topical formulations of vitamin D derivative within a two-year period...
May 23, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29791646/repercussions-of-hospitalization-due-to-fall-of-the-elderly-health-care-and-prevention
#10
Adriana Remião Luzardo, Newton Ferreira de Paula Júnior, Marcelo Medeiros, Paula Carolina Bejo Wolkers, Silvia Maria Azevedo Dos Santos
OBJECTIVE: To know the repercussions of the fall reported by the elderly and their caregiver during hospitalization in a public hospital in Florianópolis city from October to December 2014. METHOD: Exploratory research with a qualitative approach, conducted by depth interviews with 16 participants, the eight elderly were hospitalized for falls and eight elderly caregivers. Data analysis were performed through the Thematic Content Analysis. RESULTS: It was evidenced the thematic axis: Faller Elderly supported by four thematic categories: Changes caused by Falls, I am a faller, I take care of me and Prevention of the Fall...
2018: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29791482/impact-of-high-versus-low-dose-neuromuscular-blocking-agent-administration-on-unplanned-30-day-readmission-rates-in-retroperitoneal-laparoscopic-surgery
#11
Martijn Boon, Chris Martini, H Keri Yang, Shuvayu S Sen, Rob Bevers, Michiel Warlé, Leon Aarts, Marieke Niesters, Albert Dahan
Recent data shows that a neuromuscular block (NMB) induced by administration of high doses of rocuronium improves surgical conditions in certain procedures. However, there are limited data on the effect such practices on postoperative outcomes. We performed a retrospective analysis to compare unplanned 30-day readmissions in patients that received high-dose versus low-dose rocuronium administration during general anesthesia for laparoscopic retroperitoneal surgery. This retrospective cohort study was performed in the Netherlands in an academic hospital where routine high-dose rocuronium NMB has been practiced since July 2015...
2018: PloS One
https://www.readbyqxmd.com/read/29791439/multi-biomarker-disease-activity-score-as-a-predictor-of-disease-relapse-in-patients-with-rheumatoid-arthritis-stopping-tnf-inhibitor-treatment
#12
Marjan Ghiti Moghadam, Femke B G Lamers-Karnebeek, Harald E Vonkeman, Peter M Ten Klooster, Janneke Tekstra, Annemarie M Schilder, Henk Visser, Eric H Sasso, David Chernoff, Willem F Lems, Dirk-Jan van Schaardenburg, Robert Landewe, Hein J Bernelot Moens, Timothy R D J Radstake, Piet L C M van Riel, Mart A F J van de Laar, Tim L Jansen
OBJECTIVE: Successfully stopping or reducing treatment for patients with rheumatoid arthritis (RA) in low disease activity (LDA) may improve cost-effectiveness of care. We evaluated the multi-biomarker disease activity (MBDA) score as a predictor of disease relapse after discontinuation of TNF inhibitor (TNFi) treatment. METHODS: 439 RA patients who were randomized to stop TNFi treatment in the POET study were analyzed post-hoc. Three indicators of disease relapse were assessed over 12 months: 1) restarting TNFi treatment, 2) escalation of any DMARD therapy and 3) physician-reported flare...
2018: PloS One
https://www.readbyqxmd.com/read/29791437/a-randomized-controlled-trial-on-the-effect-of-a-silver-carboxymethylcellulose-dressing-on-surgical-site-infections-after-breast-cancer-surgery
#13
Gerson M Struik, Wietske W Vrijland, Erwin Birnie, Taco M A L Klem
BACKGROUND: The incidence of surgical site infections (SSIs) after breast cancer surgery is relatively high; ranging from 3 to 19%. The role of wound dressings in the prevention of SSI after breast cancer surgery is unclear. This study compares a silver carboxymethylcellulose dressing (AQUACEL Ag Surgical (Aquacel) with standard wound dressing in SSI rate after breast cancer surgery. PATIENTS AND METHODS: A single-centre randomized controlled trial among women ≥18 years, diagnosed with breast cancer, undergoing breast conserving or ablative surgery, was conducted in a combined in and outpatient setting...
2018: PloS One
https://www.readbyqxmd.com/read/29791433/the-belfast-youth-development-study-byds-a-prospective-cohort-study-of-the-initiation-persistence-and-desistance-of-substance-use-from-adolescence-to-adulthood-in-northern-ireland
#14
Kathryn Higgins, Aisling McLaughlin, Oliver Perra, Claire McCartan, Mark McCann, Andrew Percy, Julie-Ann Jordan
BACKGROUND: Substance misuse persists as a major public health issue worldwide with significant costs for society. The development of interventions requires methodologically sound studies to explore substance misuse causes and consequences. This Cohort description paper outlines the design of the Belfast Youth Development (BYDS), one of the largest cohort studies of its kind in the UK. The study was established to address the need for a long-term prospective cohort study to investigate the initiation, persistence and desistance of substance use, alongside life course processes in adolescence and adulthood...
2018: PloS One
https://www.readbyqxmd.com/read/29791322/a-low-complexity-algorithm-for-detection-of-atrial-fibrillation-using-the-ecg
#15
Nadi Sadr, Madhuka Jayawardhana, Thuy T Pham, Rui Tang, Asghar Tabatabaei Balaei, Philip de Chazal
We present a method for automatic processing of single lead electrocardiogram (ECG) with duration of up to 60 seconds for the detection of atrial fibrillation (AF). The method categorises an ECG recording into one of four categories: Normal, AF, Other and Noisy rhythm. 8,528 scored ECG signals were used for training the classification model and 3,658 scored ECG signals were used for an independent performance assessment. Our method was based on features derived from RR interbeat intervals. The features included time domain, frequency domain and distribution features...
May 23, 2018: Physiological Measurement
https://www.readbyqxmd.com/read/29790444/data-envelopment-analysis-for-estimating-efficiency-of-intensive-care-units-a-case-study-in-iran
#16
Mohammad Amin Bahrami, Sima Rafiei, Mahdieh Abedi, Roohollah Askari
Purpose As hospitals are the most costly service providers in every healthcare systems, special attention should be given to their performance in terms of resource allocation and consumption. The purpose of this paper is to evaluate technical, allocative and economic efficiency in intensive care units (ICUs) of hospitals affiliated by Yazd University of Medical Sciences (YUMS) in 2015. Design/methodology/approach This was a descriptive, analytical study conducted in ICUs of seven training hospitals affiliated by YUMS using data envelopment analysis (DEA) in 2015...
May 14, 2018: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/29790443/improvement-of-laboratory-turnaround-time-using-lean-methodology
#17
Shradha Gupta, Sahil Kapil, Monica Sharma
Purpose The purpose of this paper is to discuss the implementation of lean methodology to reduce the turnaround time (TAT) of a clinical laboratory in a super speciality hospital. Delays in report delivery lead to delayed diagnosis increased waiting time and decreased customer satisfaction. The reduction in TAT will lead to increased patient satisfaction, quality of care, employee satisfaction and ultimately the hospital's revenue. Design/methodology/approach The generic causes resulting in increasing TAT of clinical laboratories were identified using lean tools and techniques such as value stream mapping (VSM), Gemba, Pareto Analysis and Root Cause Analysis...
May 14, 2018: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/29790170/calculation-of-breast-volumes-from-mammogram-comparison-of-four-separate-equations-relative-to-mastectomy-specimen-volumes
#18
Jack W Rostas, Neal Bhutiani, Morgan Crigger, Stacey M W Crawford, Reiss B Hollenbach, Samantha R Heidrich, Robert C G Martin, Kelly M McMasters, Nicolás Ajkay
BACKGROUND AND OBJECTIVES: Accurately assessing breast volume (BV) relative to the volume of breast tissue to be removed could help objectively determine the optimal surgical candidates for breast conserving surgery. The objective of this study was to determine the optimal mammography-based method of BV estimation. METHODS: Mammography data was obtained for patients who underwent mastectomy for breast cancer from 2005 to 2015. This data was used to calculate BV using four previously published equations...
May 22, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29790053/innovative-sludge-pretreatment-technology-for-impurity-separation-using-micromesh
#19
Xiaojie Mei, Xiaomeng Han, Lili Zang, Zhichao Wu
In order to reduce the impacts on sludge treatment facilities caused by impurities such as fibers, hairs, plastic debris, and coarse sand, an innovative primary sludge pretreatment technology, sludge impurity separator (SIS), was proposed in this study. Non-woven micromesh with pore size of 0.40 mm was used to remove the impurities from primary sludge. Results of lab-scale tests showed that impurity concentration, aeration intensity, and channel gap were the key operation parameters, of which the optimized values were below 25 g/L, 0...
May 23, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29790045/basic-red-2-and-methyl-violet-adsorption-by-date-pits-adsorbent-characterization-optimization-by-rsm-and-ccd-equilibrium-and-kinetic-studies
#20
Manel Wakkel, Besma Khiari, Féthi Zagrouba
The potential of raw date pits as a natural, widely available and low-cost agricultural waste has been studied in order to adsorb cationic dyes from an aqueous solution. Date pits were characterized by FTIR, SEM, BET, and XRD analysis. To optimize removal of two industrial dyes, basic red 2 (BR2) and methyl violet (MV), from aqueous solution using date pits, response surface methodology (RSM) is employed. Tests were carried out as per central composite design (CCD) with four input parameters namely contact time, temperature, initial concentration of adsorbate, and pH...
May 22, 2018: Environmental Science and Pollution Research International
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