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https://www.readbyqxmd.com/read/28820266/on-surface-synthesis-of-porous-carbon-nanoribbons-from-polymer-chains
#1
Maximilian Ammon, Tim Sander, Sabine Maier
We demonstrate the on-surface synthesis of porous carbon nanoribbons on Ag(111) via a preprogrammed isomerization of conformationally flexible polymer chains followed by dehydrogenation reactions using thermal annealing. The carbon chains are fabricated by the polymerization of the prochiral 1,3,5-tris(3-bromophenyl)benzene (mTBPB) precursors directly on the surface using an Ullmann-type reaction. At room temperature, mTBPB partially self-assembles in halogen-bonded 2D networks, which transform into organometallic chains and rings after debromination...
August 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28819089/follow-up-practices-of-surgeons-and-medical-oncologists-in-australia-and-new-zealand-following-resection-of-esophagogastric-cancers
#2
Tim Chew, Tim Bright, Timothy J Price, David I Watson, Peter G Devitt
PURPOSE: Follow-up practices for patients who have undergone surgical resection of esophagogastric malignancies are variable and poorly documented. To better understand practice, a questionnaire was used to survey surgeons and medical oncologists to determine whether any consensus exists. METHODS: An opt-in online questionnaire was sent to esophagogastric surgeons and medical oncologists via the membership lists for the Australian and New Zealand Gastric and Oesophageal Surgery Association (ANZGOSA), the Australian Gastro-Intestinal Trials Groups (AGITG), and the Medical Oncology Group of Australia (MOGA)...
August 15, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28818884/contributions-of-a-hand-held-fan-to-self-management-of-chronic-breathlessness
#3
Tim Luckett, Jane Phillips, Miriam J Johnson, Morag Farquhar, Flavia Swan, Teresa Assen, Priyanka Bhattarai, Sara Booth
This study explored the benefits of a hand-held fan as perceived by patients with chronic breathlessness and their carers.A secondary multimethod analysis was conducted of interview data collected in three clinical trials. Two researchers independently coded level of benefit qualitatively reported by each patient. Univariate and multivariate statistics were used to explore perceived benefit as a factor of sex, age and diagnosis. Qualitative analysis used an integrative method.133 patients commented on the fan, of whom 72 had a carer...
August 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28818038/role-of-the-type-vi-secretion-systems-during-disease-interactions-of-erwinia-amylovora-with-its-plant-host
#4
Tim Kamber, Joël F Pothier, Cosima Pelludat, Fabio Rezzonico, Brion Duffy, Theo H M Smits
BACKGROUND: Type VI secretion systems (T6SS) are widespread among Gram-negative bacteria and have a potential role as essential virulence factors or to maintain symbiotic interactions. Three T6SS gene clusters were identified in the genome of E. amylovora CFBP 1430, of which T6SS-1 and T6SS-3 represent complete T6SS machineries, while T6SS-2 is reduced in its gene content. RESULTS: To assess the contribution of T6SSs to virulence and potential transcriptomic changes of E...
August 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28817507/comparison-of-consent-models-in-a-randomized-trial-of-corticosteroids-in-pediatric-septic-shock
#5
Kusum Menon, Katharine O'Hearn, James Dayre McNally, Anand Acharya, Hector R Wong, Margaret Lawson, Tim Ramsay, Lauralyn McIntyre, Elaine Gilfoyle, Marisa Tucci, David Wensley, Ronald Gottesman, Gavin Morrison, Karen Choong
OBJECTIVES: To describe the use of deferred and prior informed consent models in the context of a low additional risk to standard of care, placebo-controlled randomized controlled trial of corticosteroids in pediatric septic shock. DESIGN: An observational substudy of consent processes in a randomized controlled trial of hydrocortisone versus placebo. SETTING: Seven tertiary level PICUs in Canada. PATIENTS: Children newborn to 17 years inclusive admitted to PICU with suspected septic shock between July 2014 and March 2016...
August 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28817342/hypoglycemia-risk-related-to-double-dose-is-markedly-reduced-with-basal-insulin-peglispro-versus-insulin-glargine-in-patients-with-type-2-diabetes-mellitus-in-a-randomized-trial-imagine-8
#6
Cynthia Harris, Thomas Forst, Tim Heise, Leona Plum-Mörschel, Elaine Watkins, Qianyi Zhang, Ludi Fan, Parag Garhyan, Niels Porksen
BACKGROUND: Basal insulin peglispro (BIL) has a peripheral-to-hepatic distribution of action that resembles endogenous insulin and a prolonged duration of action with a flat pharmacokinetic/pharmacodynamic profile at steady state, characteristics that tend to reduce hypoglycemia risk compared to insulin glargine (GL). The primary objective was to demonstrate that clinically significant hypoglycemia (blood glucose ≤54 mg/dL [3.0 mmol/L] or symptoms of severe hypoglycemia) occurred less frequently within 84 h after a double dose (DD) of BIL than a DD of GL...
August 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28816894/the-clavicle-trial-a-multicenter-randomized-controlled-trial-comparing-operative-with-nonoperative-treatment-of-displaced-midshaft-clavicle-fractures
#7
Philip M Ahrens, Nicholas I Garlick, Julie Barber, Emily M Tims
BACKGROUND: The treatment of displaced midshaft clavicle fractures remains controversial. METHODS: We undertook a multicenter randomized controlled trial to compare effectiveness and safety between nonoperative management and ORIF (open reduction and internal fixation) for displaced midshaft clavicle fractures in adults. Three hundred and one eligible adult patients were randomized to 1 of the 2 treatment groups and followed at 6 weeks, 3 months, and 9 months after recruitment...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28816583/mammalian-cell-surface-display-for-monoclonal-antibody-based-facs-selection-of-viral-envelope-proteins
#8
Tim-Henrik Bruun, Veronika Grassmann, Benjamin Zimmer, Benedikt Asbach, David Peterhoff, Alexander Kliche, Ralf Wagner
The elicitation of broadly and efficiently neutralizing antibodies in humans by active immunization is still a major obstacle in the development of vaccines against pathogens such as the human immunodeficiency virus (HIV), influenza virus, hepatitis C virus or cytomegalovirus. Here, we describe a mammalian cell surface display and monoclonal antibody (mAb)-mediated panning technology that allows affinity-based selection of envelope (Env) variants from libraries. To this end, we established an experimental setup featuring: 1) single and site specific integration of Env to link genotype and phenotype, 2) inducible Env expression to avoid cytotoxicity effects, 3) translational coupling of Env and enhanced green fluorescent protein expression to normalize for Env protein levels, and 4) display on HEK cells to ensure native folding and mammalian glycosylation...
August 17, 2017: MAbs
https://www.readbyqxmd.com/read/28814619/time-use-patterns-and-health-related-quality-of-life-in-adolescents
#9
Monica Wong, Tim Olds, Lisa Gold, Kate Lycett, Dorothea Dumuid, Josh Muller, Fiona K Mensah, David Burgner, John B Carlin, Ben Edwards, Terence Dwyer, Peter Azzopardi, Melissa Wake
OBJECTIVES: To describe 24-hour time-use patterns and their association with health-related quality of life (HRQoL) in early adolescence. METHODS: The Child Health CheckPoint was a cross-sectional study nested between Waves 6 and 7 of the Longitudinal Study of Australian Children. The participants were 1455 11- to 12-year-olds (39% of Wave 6; 51% boys). The exposure was 24-hour time use measured across 259 activities using the Multimedia Activity Recall for Children and Adolescents...
June 1, 2017: Pediatrics
https://www.readbyqxmd.com/read/28812025/baseline-characteristics-of-the-paediatric-observation-priority-score-in-emergency-departments-outside-its-centre-of-derivation
#10
Damian Roland, Fawaz Arshad, Tim Coats, Ffion Davies
OBJECTIVES AND BACKGROUND: Scoring systems in Emergency Departments (EDs) are rarely validated. This study aimed to examine the Paediatric Observation Priority Score (POPS), a method of quantifying patient acuity, in EDs in the United Kingdom, and determine baseline performance characteristics. METHODS: POPS was implemented in 4 EDs for children (ages of 0 to 16) with participants grouped into 3 categories: discharged from ED, discharged but with return within 7 days, and admitted for less or more than 24 hours...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811680/the-antimicrobial-peptide-human-beta-defensin-3-is-induced-by-platelet-released-growth-factors-in-primary-keratinocytes
#11
Andreas Bayer, Justus Lammel, Mersedeh Tohidnezhad, Sebastian Lippross, Peter Behrendt, Tim Klüter, Thomas Pufe, Jochen Cremer, Holger Jahr, Franziska Rademacher, Regine Gläser, Jürgen Harder
Platelet-released growth factors (PRGF) and its related clinically used formulations (e.g., Vivostat Platelet-Rich Fibrin (PRF®)) contain a variety of chemokines, cytokines, and growth factors and are therefore used to support healing of chronic, hard-to-heal, or infected wounds. Human beta-defensin-3 (hBD-3) is an antimicrobial peptide inducibly expressed in human keratinocytes especially upon wounding. The potent antimicrobial activity of hBD-3 together with its wound closure-promoting activities suggests that hBD-3 may play a crucial role in wound healing...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28811631/development-of-a-primary-human-co-culture-model-of-inflamed-airway-mucosa
#12
Lael M Yonker, Hongmei Mou, Kengyeh K Chu, Michael A Pazos, Huimin Leung, Dongyao Cui, Jinhyeob Ryu, Rhianna M Hibbler, Alexander D Eaton, Tim N Ford, J R Falck, T Bernard Kinane, Guillermo J Tearney, Jayaraj Rajagopal, Bryan P Hurley
Neutrophil breach of the mucosal surface is a common pathological consequence of infection. We present an advanced co-culture model to explore neutrophil transepithelial migration utilizing airway mucosal barriers differentiated from primary human airway basal cells and examined by advanced imaging. Human airway basal cells were differentiated and cultured at air-liquid interface (ALI) on the underside of 3 µm pore-sized transwells, compatible with the study of transmigrating neutrophils. Inverted ALIs exhibit beating cilia and mucus production, consistent with conventional ALIs, as visualized by micro-optical coherence tomography (µOCT)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28802902/pseudomonas-aeruginosa-mannose-sensitive-hemagglutinin-injection-treated-cytokine-induced-killer-cells-combined-with-chemotherapy-in-the-treatment-of-malignancies
#13
Chaoqi Zhang, Zhen Zhang, Liping Wang, Jiaoling Han, Feng Li, Chunyi Shen, Hong Li, Lan Huang, Xuan Zhao, Dongli Yue, Jianmin Huang, Yan Yan, Yi Zhang
Pseudomonas aeruginosa-mannose sensitive hemagglutinin (PA-MSHA) injection serves as immunological adjuvant in clinical treatment of cancer patients. In present study, we investigated whether PA-MSHA injection enhanced the anti-tumor efficacy of CIK cells. Twenty patients with malignancies were enrolled in this retrospective clinical trial. They were divided into two groups: 10 patients received PA-MSHA treated CIK cells transfusion combined with chemotherapy, and other patients accepted CIK cells and chemotherapy...
August 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28801238/a-co-inhibitory-alliance-in-myeloid-leukemia-tim-3-galectin-9-complex-as-a-new-target-for-checkpoint-blockade-therapy
#14
M Alper Kursunel, Gunes Esendagli
No abstract text is available yet for this article.
August 4, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28800954/a-tim-3-oligonucleotide-aptamer-enhances-t-cell-functions-and-potentiates-tumor-immunity-in-mice
#15
Tal Gefen, Iris Castro, Darija Muharemagic, Yvonne Puplampu-Dove, Shradha Patel, Eli Gilboa
T cell immunoglobulin-3 (TIM-3) is a negative regulator of interferon-γ (IFN-γ) secreting CD4(+) T cells and CD8(+) T cytotoxic cells. Recent studies have highlighted the role of TIM-3 as an important mediator of CD8(+) T cell exhaustion in the setting of chronic viral infections and cancer. In murine tumor models, antibody blockade of TIM-3 with anti-TIM-3 antibodies as monotherapy has no or minimal antitumor activity, suggesting that TIM-3 signaling exerts an accessory or amplifying effect in keeping immune responses in check...
August 8, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28800919/similar-outcomes-after-osteochondral-allograft-transplantation-in-anterior-cruciate-ligament-intact-and-reconstructed-knees-a-comparative-matched-group-analysis-with-minimum-2-year-follow-up
#16
Dean Wang, Claire D Eliasburg, Tim Wang, Ryan R Fader, Francesca R Coxe, Mollyann D Pais, Riley J Williams
PURPOSE: To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. METHODS: After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm(2) in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location...
August 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28799242/negative-regulation-of-nlrp3-inflammasome-activation-by-tim-3-protects-against-peritonitis
#17
Wei Wang, Qingzhu Shi, Shuaijie Dou, Ge Li, Xinhui Shi, Xingwei Jiang, Zhiding Wang, Dandan Yu, Guojiang Chen, Wang Ren Xi, He Xiao, Chunmei Hou, Jiannan Feng, Beifen Shen, Yuanfang Ma, Gencheng Han
The NLRP3 inflammasome plays roles in host defense against invading pathogens and in the development of autoimmune damage. Strict regulation of these responses is important to avoid detrimental effects. Here, we demonstrate that Tim-3, an immune checkpoint inhibitor, inhibits NLRP3 inflammasome activation by damping basal and LPS-induced NF-κB-mediated upregulation of NLRP3 and IL-1β during the priming step and basal and ATP/LPS-induced ATP production, K(+) efflux, and ROS production during the activation step...
August 11, 2017: Immunology
https://www.readbyqxmd.com/read/28799198/does-paying-service-providers-by-results-improve-recovery-outcomes-for-drug-misusers-in-treatment-in-england
#18
Andrew Jones, Matthias Pierce, Matt Sutton, Thomas Mason, Tim Millar
AIM: To compare drug recovery outcomes in commissioning areas included in a 'payment by results' scheme with all other areas. DESIGN: Observational and data linkage study of the National Drug Treatment Monitoring System, Office for National Statistics mortality database, and Police National Computer criminal records, for two years before and after introduction of the scheme. Pre-post controlled comparison compared outcomes in participating versus non-participating areas following adjustment for drug use, functioning and drug treatment status...
August 10, 2017: Addiction
https://www.readbyqxmd.com/read/28797318/single-laboratory-validation-of-the-neogen-qualitative-lateral-flow-immunoassay-for-the-detection-of-paralytic-shellfish-toxins-in-mussels-and-oysters
#19
Alison R Turnbull, Jessica Y C Tan, Sarah C Ugalde, Gustaaf M Hallegraeff, Katrina Campbell, D Tim Harwood, Juan José Dorantes-Aranda
Detection of paralytic shellfish toxins (PSTs) in bivalve shellfish by analytical methods is complicated and costly, requiring specific expertise and equipment. Following extensive blooms of Alexandrium tamarense Group 1 in Tasmania, Australia, an investigation was made into commercially available screening test kits suitable for use with the toxin profiles found in affected bivalves. The qualitative Neogen rapid test kit, with a modified protocol to convert gonyautoxins GTX1&4 and GTX2&3 into neosaxitoxin and saxitoxin (STX), respectively, with higher cross-reactivities, was the best fit-for-purpose...
August 10, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28797049/effect-of-sodium-bicarbonate-on-prolonged-running-performance-a-randomized-double-blind-cross-over-study
#20
Tanja Freis, Anne Hecksteden, Ulf Such, Tim Meyer
BACKGROUND: The ability to sustain intense exercise seems to be partially limited by the body's capability to counteract decreases in both intra- and extracellular pH. While the influence of an enhanced buffering capacity via sodium bicarbonate (BICA) on short-term, high-intensity exercise performance has been repeatedly investigated, studies on prolonged endurance performances are comparatively rare, especially for running. The aim of the following study was to assess the ergogenic effects of an oral BICA substitution upon exhaustive intensive endurance running performance...
2017: PloS One
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