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https://www.readbyqxmd.com/read/28651204/iron-tannin-framework-complex-modified-pes-ultrafiltration-membranes-with-enhanced-filtration-performance-and-fouling-resistance
#1
Xiaofeng Fang, Jiansheng Li, Xin Li, Shunlong Pan, Xiuyun Sun, Jinyou Shen, Weiqing Han, Lianjun Wang, Bart Van der Bruggen
In this work, an iron-tannin-framework (ITF) complex was introduced to a poly (ether sulfone) (PES) casting solution as a hydrophilic additive to fabricate ITF/PES ultrafiltration (UF) membranes via non-solvent-induced phase separation (NIPS). The structure and performance of the PES membranes with ITF concentrations ranging from 0 to 0.9wt.% were systematically investigated by scanning electron microscopy, water contact angle, permeability, protein rejection and fouling resistance measurements. The results indicate that the pore structure and surface properties of PES UF membranes can be regulated by incorporating the ITF complex...
June 20, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28651054/importance-and-nature-of-short-range-excitonic-interactions-in-light-harvesting-complexes-and-organic-semiconductors
#2
Rocco Peter Fornari, Patrick Rowe, Daniele Padula, Alessandro Troisi
The singlet excitonic coupling between many pairs of chromophores is evaluated in three different Light Harvesting Complexes (LHCs) and two organic semiconductors (amorphous and crystalline). This large database of structures is used to assess the relative importance of short-range (exchange, overlap, orbital) and long-range (Coulombic) excitonic coupling. We find that atomic transition charges can introduce systematic errors on the Coulombic coupling and that the dipole-dipole interaction fails to capture the true Coulombic coupling even at intermolecular distances of up to 50 Å...
June 26, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28651010/macrophages-but-not-neutrophils-are-critical-for-proliferation-of-burkholderia-cenocepacia-and-ensuing-host-damaging-inflammation
#3
Jennifer Mesureur, Joana R Feliciano, Nelly Wagner, Margarida C Gomes, Lili Zhang, Monica Blanco-Gonzalez, Michiel van der Vaart, David O'Callaghan, Annemarie H Meijer, Annette C Vergunst
Bacteria of the Burkholderia cepacia complex (Bcc) can cause devastating pulmonary infections in cystic fibrosis (CF) patients, yet the precise mechanisms underlying inflammation, recurrent exacerbations and transition from chronic stages to acute infection and septicemia are not known. Bcc bacteria are generally believed to have a predominant extracellular biofilm life style in infected CF lungs, similar to Pseudomonas aeruginosa, but this has been challenged by clinical observations which show Bcc bacteria predominantly in alveolar macrophages...
June 26, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28650484/insertional-mutagenesis-identifies-drivers-of-a-novel-oncogenic-pathway-in-invasive-lobular-breast-carcinoma
#4
Sjors M Kas, Julian R de Ruiter, Koen Schipper, Stefano Annunziato, Eva Schut, Sjoerd Klarenbeek, Anne Paulien Drenth, Eline van der Burg, Christiaan Klijn, Jelle J Ten Hoeve, David J Adams, Marco J Koudijs, Jelle Wesseling, Micha Nethe, Lodewyk F A Wessels, Jos Jonkers
Invasive lobular carcinoma (ILC) is the second most common breast cancer subtype and accounts for 8-14% of all cases. Although the majority of human ILCs are characterized by the functional loss of E-cadherin (encoded by CDH1), inactivation of Cdh1 does not predispose mice to develop mammary tumors, implying that mutations in additional genes are required for ILC formation in mice. To identify these genes, we performed an insertional mutagenesis screen using the Sleeping Beauty transposon system in mice with mammary-specific inactivation of Cdh1...
June 26, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28650400/high-need-to-switch-cart-or-co-medication-with-the-initiation-of-daas-in-elderly-hiv-hcv-co-infected-patients
#5
Elise J Smolders, Colette Smit, Clara Tmm De Kanter, Anton Dofferhoff, Joop E Arends, Kees Brinkman, Bart Rijnders, Marc Van Der Valk, Peter Reiss, David M Burger
BACKGROUD: To describe the use of non-antiretroviral co-medication and combination antiretroviral therapy (cART) in HIV/hepatitis C virus (HCV) co-infected patients, and to predict the potential for drug-drug interactions (DDIs) with direct-acting antivirals (DAAs) against HCV. METHODS: This is a retrospective, cross-sectional study, using the Dutch nationwide ATHENA observational HIV cohort database. All patients with a known HIV/HCV co-infection on 1 January 2015 were included...
June 22, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28649948/endovascular-thrombectomy-in-patients-with-acute-ischemic-stroke-and-atrial-fibrillation-a-mr-clean-subgroup-analysis
#6
Alis Heshmatollah, Puck S S Fransen, Olvert A Berkhemer, Debbie Beumer, Aad van der Lugt, Charles B L M Majoie, Robert J Oostenbrugge, Wim H van Zwam, Peter J Koudstaal, Yvo B W E M Roos, Diederik W J Dippel
AIMS: Endovascular thrombectomy (EVT) improves outcome after acute ischemic stroke (AIS) caused by an intracranial occlusion. The aim of the present study is to determine if atrial fibrillation (AF) modifies the effect of EVT. METHODS AND RESULTS: MRCLEAN was a randomized clinical trial of EVT plus usual care vs. usual care alone for patients with an intracranial occlusion. The primary outcome was the modified Rankin scale (mRS) score at 90 days. The primary effect parameter was the adjusted common odds ratio (acOR), estimated with ordinal logistic regression and adjusted for age and stroke severity at baseline...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28649905/juvenile-idiopathic-arthritis-in-a-patient-with-previous-diagnosis-of-severe-congenital-lupus
#7
I H Rotstein Grein, W Armbrust, A M van der Molen, A van Royen-Kerkhof
Neonatal lupus (NL) is an acquired autoimmune disease of the newborn, caused by transplacental passage of the maternal autoantibodies anti SS-A/Ro and anti SS-B/La. When the clinical picture starts directly at birth, it is known as congenital lupus (CL). The clinical manifestations are variable. Except for cardiac involvement, the other manifestations tend to be benign, and resolve with the child's clearance of maternal antibodies. We report a patient who presented at birth with very severe involvement of the skin, and subsequent contractures of hands and feet, leading to functional impairment...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28649834/manipulating-the-bulk-band-structure-of-artificially-constructed-van-der-waals-chalcogenide-heterostructures
#8
Yuta Saito, Kotaro Makino, Paul Fons, Alexander V Kolobov, Junji Tominaga
The bulk band structures of a variety of artificially constructed van der Waals chalcogenide heterostructures IVTe/V2VI3 (IV: C, Si, Ge, Sn, Pb; V: As, Sb, Bi; VI: S, Se, Te) have been systematically examined using ab initio simulations based on density functional theory. The crystal structure and the electronic band structure of the heterostructures were found to strongly depend on the choice of elements as well as the presence of van der Waals corrections. Furthermore, it was found that the use of the modified Becke-Johnson local density approximation functional demonstrated that a Dirac cone is formed when tensile stress is applied to a GeTe/Sb2Te3 heterostructure and the band gap can be controlled by tuning the stress...
June 26, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28649602/using-a-smartphone-based-self-management-platform-to-support-medication-adherence-and-clinical-consultation-in-parkinson-s-disease
#9
Rashmi Lakshminarayana, Duolao Wang, David Burn, K Ray Chaudhuri, Clare Galtrey, Natalie Valle Guzman, Bruce Hellman, Ben James, Suvankar Pal, Jon Stamford, Malcolm Steiger, R W Stott, James Teo, Roger A Barker, Emma Wang, Bastiaan R Bloem, Martijn van der Eijk, Lynn Rochester, Adrian Williams
The progressive nature of Parkinson's disease, its complex treatment regimens and the high rates of comorbid conditions make self-management and treatment adherence a challenge. Clinicians have limited face-to-face consultation time with Parkinson's disease patients, making it difficult to comprehensively address non-adherence. Here we share the results from a multi-centre (seven centres) randomised controlled trial conducted in England and Scotland to assess the impact of using a smartphone-based Parkinson's tracker app to promote patient self-management, enhance treatment adherence and quality of clinical consultation...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28649034/electrohysterography-for-uterine-monitoring-during-term-labour-compared-to-external-tocodynamometry-and-intra-uterine-pressure-catheter
#10
Marion W C Vlemminx, Kirsten M J Thijssen, Galin I Bajlekov, Jeanne P Dieleman, M Beatrijs Van Der Hout-Van Der Jagt, S Guid Oei
OBJECTIVE: Current uterine monitoring techniques have major drawbacks that could be avoided when using electrohysterography for uterine monitoring. Recently, a new electrohysterography method has been developed, providing a real-time tocogram on standard cardiotocography monitors. The diagnostic characteristics of this novel method need to be determined and compared to conventional methods We hypothesised that electrohysterography can perform better than external tocodynamometry due to the adhesive properties of the contact electrodes (less motion sensitive), and the improved signal acquisition through subcutaneous tissue (less obesity sensitive)...
June 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28648915/long-term-course-of-negative-symptom-subdomains-and-relationship-with-outcome-in-patients-with-a-psychotic-disorder
#11
Annemarie P M Stiekema, Md Atiqul Islam, Edith J Liemburg, Stynke Castelein, Edwin R van den Heuvel, Jaap van Weeghel, André Aleman, Richard Bruggeman, Lisette van der Meer
BACKGROUND: The longitudinal course of the negative symptoms subdomains social amotivation (SA) and expressive deficits (ED) remains largely unknown. We investigated i) the longitudinal course of SA and ED subdomain scores, ii) whether subgroups based on the course of SA and ED subdomain scores could be identified, iii) whether baseline SA and ED subdomain scores were related to functioning and quality of life six years later and iv) the longitudinal relationship between subgroups and outcomes...
June 22, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28648912/minor-salivary-gland-biopsy-an-important-contributor-to-the-diagnosis-of-sj%C3%A3-gren-syndrome
#12
Sarah Wicheta, Troy Van der Groen, William C Faquin, Meredith August
PURPOSE: Sjögren syndrome (SS), although commonly associated with xerostomia and xerophthalmia, can present with extraglandular manifestations that make definitive diagnosis difficult. The 2 leading diagnostic classification systems include a positive minor salivary gland biopsy (MSGB) result as a major inclusion criterion. The purpose of this study was to better define the role of the MSGB in establishing a diagnosis of SS in a cohort of referred patients. MATERIALS AND METHODS: This is a retrospective cohort study of patients referred to the Massachusetts General Hospital Department of Oral and Maxillofacial Surgery (Boston, MA) over a 5-year period to establish a diagnosis of SS...
May 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28648084/practical-broadly-applicable-%C3%AE-selective-z-selective-diastereoselective-and-enantioselective-addition-of-allylboron-compounds-to-mono-di-tri-and-polyfluoroalkyl-ketones
#13
Farid W van der Mei, Changming Qin, Ryan J Morrison, Amir H Hoveyda
A practical method for enantioselective synthesis of fluoroalkyl-substituted Z-homoallylic tertiary alcohols has been developed. Reactions may be performed with ketones containing a polylfluoro-, trifluoro-, difluoro-, and monofluoroalkyl group along with an aryl, a heteroaryl, an alkenyl, an alkynyl, or an alkyl substituent. Readily accessible unsaturated organoboron compounds serve as reagents. Transformations were performed with 0.5-2.5 mol % of a boron-based catalyst, generated in situ from a readily accessible valine-derived aminophenol and a Z- or an E-γ-substituted boronic acid pinacol ester...
June 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28647744/effectiveness-of-supported-self-help-in-recurrent-depression-a-randomized-controlled-trial-in-primary-care
#14
Karolien E M Biesheuvel-Leliefeld, Sandra M A Dijkstra-Kersten, Digna J F van Schaik, Harm W J van Marwijk, Filip Smit, Henriette E van der Horst, Claudi L H Bockting
BACKGROUND: The burden and economic consequences of depression are high, mostly due to its recurrent nature. Due to current budget and time restraints, a preventive, low- cost, accessible minimal intervention is much needed. In this study, we evaluated the effectiveness of a supported self-help preventive cognitive therapy (S-PCT) added to treatment as usual (TAU) in primary care, compared to TAU alone. METHODS: We conducted a randomized controlled trial among 248 patients with a history of depression, currently in full or partial remission or recovery...
June 24, 2017: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/28647728/impact-of-five-tobacco-endgame-strategies-on-future-smoking-prevalence-population-health-and-health-system-costs-two-modelling-studies-to-inform-the-tobacco-endgame
#15
Frederieke S van der Deen, Nick Wilson, Christine L Cleghorn, Giorgi Kvizhinadze, Linda J Cobiac, Nhung Nghiem, Tony Blakely
OBJECTIVE: There is growing international interest in advancing 'the tobacco endgame'. We use New Zealand (Smokefree goal for 2025) as a case study to model the impacts on smoking prevalence (SP), health gains (quality-adjusted life-years (QALYs)) and cost savings of (1) 10% annual tobacco tax increases, (2) a tobacco-free generation (TFG), (3) a substantial outlet reduction strategy, (4) a sinking lid on tobacco supply and (5) a combination of 1, 2 and 3. METHODS: Two models were used: (1) a dynamic population forecasting model for SP and (2) a closed cohort (population alive in 2011) multistate life table model (including 16 tobacco-related diseases) for health gains and costs...
June 24, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28647167/adolescent-meningococcal-serogroup-a-w-and-y-immune-responses-following-immunization-with-quadrivalent-meningococcal-a-c-w-and-y-conjugate-vaccine-optimal-age-for-vaccination
#16
Mariëtte B van Ravenhorst, Fiona R M van der Klis, Debbie M van Rooijen, Elisabeth A M Sanders, Guy A M Berbers
BACKGROUND: Recently the incidence of meningococcal serogroup Y (MenY) and in particular serogroup W (MenW) invasive disease has risen in several European countries, including the Netherlands. Adolescents are a target group for primary prevention through vaccination to protect against disease and reduce carriage and induce herd protection in the population. The present study assessed MenA, MenW and MenY antibody levels in adolescents up to one year following primary vaccination with quadrivalent MenACWY-PS conjugated to tetanus toxoid (MenACWY-TT)...
June 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28647150/ospar-standard-method-and-software-for-statistical-analysis-of-beach-litter-data
#17
Marcus Schulz, Willem van Loon, David M Fleet, Paul Baggelaar, Eit van der Meulen
The aim of this study is to develop standard statistical methods and software for the analysis of beach litter data. The optimal ensemble of statistical methods comprises the Mann-Kendall trend test, the Theil-Sen slope estimation, the Wilcoxon step trend test and basic descriptive statistics. The application of Litter Analyst, a tailor-made software for analysing the results of beach litter surveys, to OSPAR beach litter data from seven beaches bordering on the south-eastern North Sea, revealed 23 significant trends in the abundances of beach litter types for the period 2009-2014...
June 21, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28646686/eeg-spectral-analysis-as-a-putative-early-prognostic-biomarker-in-nondemented-amyloid-positive-subjects
#18
Alida A Gouw, Astrid M Alsema, Betty M Tijms, Andreas Borta, Philip Scheltens, Cornelis J Stam, Wiesje M van der Flier
We studied whether electroencephalography (EEG)-derived measures of brain oscillatory activity are related to clinical progression in nondemented, amyloid positive subjects. We included 205 nondemented amyloid positive subjects (63 subjective cognitive decline [SCD]; 142 mild cognitive impairment [MCI]) with a baseline resting-state EEG data and ≥1-year follow-up. Peak frequency and relative power of 4 frequency bands were calculated. Relationships between normalized EEG measures and time to clinical progression (conversion from SCD to MCI/dementia or from MCI to dementia) were analyzed using Cox proportional hazard models...
June 1, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28646580/biosimilars-for-psoriasis-worldwide-overview-of-regulatory-guidelines-uptake-and-implications-for-dermatology-clinical-practice
#19
REVIEW
A D Cohen, J J Wu, L Puig, S Chimenti, R Vender, M Rajagopalan, R Romiti, C de la Cruz, L Skov, C Zachariae, H S Young, P Foley, J M van der Walt, L Naldi, A Blauvelt
The introduction of biologic drugs for the treatment of patients with psoriasis has revolutionized treatment paradigms and enabled numerous patients to achieve disease control with an acceptable safety profile. However, the high cost of biologics limits access to these medications for the majority of patients worldwide. In recent years, the introduction of biosimilars for inflammatory diseases has become a fast evolving field. The future use of biosimilars offers the potential for decreased cost and increased access to biologic drugs for patients with psoriasis...
June 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28646374/item-usage-in-a-multidimensional-computerized-adaptive-test-mcat-measuring-health-related-quality-of-life
#20
Muirne C S Paap, Karel A Kroeze, Caroline B Terwee, Job van der Palen, Bernard P Veldkamp
PURPOSE: Examining item usage is an important step in evaluating the performance of a computerized adaptive test (CAT). We study item usage for a newly developed multidimensional CAT which draws items from three PROMIS domains, as well as a disease-specific one. METHODS: The multidimensional item bank used in the current study contained 194 items from four domains: the PROMIS domains fatigue, physical function, and ability to participate in social roles and activities, and a disease-specific domain (the COPD-SIB)...
June 23, 2017: Quality of Life Research
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