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https://www.readbyqxmd.com/read/28528553/protonation-induced-room-temperature-phosphorescence-in-fluorescent-polyurethane
#1
Wei Sun, Zhaowu Wang, Tao Wang, Li Yang, Jun Jiang, Xing Yuan Zhang, Yi Luo, Guoqing Zhang
Room-temperature phosphorescence (RTP) from purely organic systems is of practical importance in biological imaging, oxygen sensing and displaying technologies. The key step to obtaining RTP from organic molecules is efficient intersystem crossing (ISC), which is usually low compared to inorganic materials. Here we show that protonation of a dye molecule, a thioflavin derivative, in strongly polar polyurethane can be used to effectively harness RTP. Prior to protonation, the predominant transition is π-π* for the polymer, which has nearly undetectable RTP due to the large singlet-triplet energy splitting (0...
May 22, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28521519/improving-primary-care-provider-practices-in-youth-concussion-management
#2
Kristy B Arbogast, Allison E Curry, Kristina B Metzger, Ronni S Kessler, Jeneita M Bell, Juliet Haarbauer-Krupa, Mark R Zonfrillo, Matthew J Breiding, Christina L Master
Primary care providers are increasingly providing youth concussion care but report insufficient time and training, limiting adoption of best practices. We implemented a primary care-based intervention including an electronic health record-based clinical decision support tool ("SmartSet") and in-person training. We evaluated consequent improvement in 2 key concussion management practices: (1) performance of a vestibular oculomotor examination and (2) discussion of return-to-learn/return-to-play (RTL/RTP) guidelines...
May 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28510477/performance-based-outcomes-after-anterior-cruciate-ligament-reconstruction-in-professional-athletes-differ-between-sports
#3
Harry T Mai, Danielle S Chun, Andrew D Schneider, Brandon J Erickson, Ryan D Freshman, Benjamin Kester, Nikhil N Verma, Wellington K Hsu
BACKGROUND: Excellent outcomes have been reported for anterior cruciate ligament (ACL) reconstruction (ACLR) in professional athletes in a number of different sports. However, no study has directly compared these outcomes between sports. PURPOSE: To determine if differences in performance-based outcomes exist after ACLR between professional athletes of each sport. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: National Football League (NFL), National Basketball Association (NBA), National Hockey League (NHL), and Major League Baseball (MLB) athletes undergoing primary ACLR for an acute rupture were identified through an established protocol of injury reports and public archives...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28476526/restrictive-transfusion-in-radical-cystectomy-is-safe
#4
Sumeet Syan-Bhanvadia, Siri Drangsholt, Swar Shah, Jie Cai, Gus Miranda, Hooman Djaladat, Siamak Daneshmand
INTRODUCTION AND OBJECTIVE: Perioperative blood transfusion (PBT) is commonplace in radical cystectomy (RC) and has been linked to poorer oncologic outcomes. Limiting PBT in this largely elderly and comorbid population has not been studied. Herein, we first investigate the safety of a restrictive transfusion protocol (RTP) in patients undergoing RC for urothelial carcinoma and then compare oncologic outcomes between patients who did and did not receive PBT. METHODS: Outcomes for 173 consecutive patients meeting inclusion criteria undergoing RC for urothelial carcinoma from April 2010 to June 2014 by a single surgeon employing RTP were analyzed from an institutional review board-approved, prospectively collected database...
May 2, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28451681/ordered-assembly-of-hybrid-room-temperature-phosphorescence-thin-films-showing-polarized-emission-and-the-sensing-of-vocs
#5
Rui Gao, Dongpeng Yan
Benefitting from the self-organization of organic phosphors into 2D galleries of clay nanosheets, we have developed a method for the ordered assembly of long-lived room-temperature phosphorescence (RTP) thin films through a layer-by-layer (LBL) process. The clay-based thin films present polarized RTP and serve as sensors for VOCs.
May 11, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28451611/return-to-play-after-revision-anterior-cruciate-ligament-reconstruction-in-national-football-league-players
#6
Kelechi R Okoroha, Omar Kadri, Robert A Keller, Nathan Marshall, Zlatan Cizmic, Vasilios Moutzouros
BACKGROUND: National Football League (NFL) players who undergo anterior cruciate ligament (ACL) reconstruction have been shown to have a lower return to play (RTP) than previously expected. However, RTP in the NFL after revision ACL reconstruction (RACLR) is not well defined. PURPOSE/HYPOTHESIS: The purpose of this study is to determine the RTP of NFL players after RACLR and evaluate factors that predict RTP. Our hypothesis was that more experienced and established players would be more likely to RTP after RACLR...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28449611/return-to-play-and-performance-after-anterior-cruciate-ligament-reconstruction-in-the-national-basketball-association-surgeon-case-series-and-literature-review
#7
Benedict U Nwachukwu, Shawn G Anthony, Kenneth M Lin, Tim Wang, David W Altchek, Answorth A Allen
OBJECTIVES: To investigate return to play (RTP) and functional performance after anterior cruciate ligament reconstruction (ACLR) in National Basketball Association (NBA) players and to perform a systematic review of the literature to understand RTP after ACLR in professional basketball. METHODS: NBA players undergoing ACLR between 2008 and 2014 by two surgeons were identified. RTP and performance were assessed based on a review of publically available statistics...
May 8, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28446102/how-much-is-enough-using-delphi-to-explore-the-clinical-contact-time-and-return-to-practice-needs-of-military-nurses
#8
Gary Kenward, Scott Marshall, Karen Irvine
Aim Military nurses are required to deploy worldwide at any time to support British forces. They must maintain military and clinical skills, and fulfil other military commitments as required. These diverse responsibilities make it challenging for military nurses to maintain the level of clinical expertise they require for short-notice deployments. A service evaluation was conducted to investigate issues related to clinical contact time (CCT) and to return to practice (RTP) for military nurses. Method A consultative approach was taken in the form of a modified Delphi study, followed by a military judgement panel (focus group)...
April 27, 2017: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/28433733/factors-influencing-repeated-teenage-pregnancy-a%C3%A2-review-and-meta-analysis
#9
REVIEW
Joemer C Maravilla, Kim S Betts, Camila Couto E Cruz, Rosa Alati
OBJECTIVE: Existing evidence of predictors of repeated teenage pregnancy has not been assessed rigorously. This systematic review provides a comprehensive evaluation of protective and risk factors that are associated with repeated teenage pregnancy through a metaanalytical consensus. DATA SOURCES: We used PubMed, EMBASE, CINAHL, ProQuest, PsychINFO, ScienceDirect, Scopus, and Web of Science databases from 1997-2015 and the reference list of other relevant research papers and related reviews...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28430553/sport-concussion-management-using-facebook-a-feasibility-study-of-an-innovative-adjunct-icon
#10
Osman Hassan Ahmed, Anthony G Schneiders, Paul R McCrory, S John Sullivan
CONTEXT:   Sport concussion is currently the focus of much international attention. Innovative methods to assist athletic trainers in facilitating management after this injury need to be investigated. OBJECTIVE:   To investigate the feasibility of using a Facebook concussion-management program termed iCon (interactive concussion management) to facilitate the safe return to play (RTP) of young persons after sport concussion. DESIGN:   Observational study...
April 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28422634/functional-brain-stimulation-in-a-chronic-stroke-survivor-with-moderate-impairment
#11
Heather T Peters, Janell Pisegna, Julie Faieta, Stephen J Page
OBJECTIVE: To determine the impact of transcranial direct current stimulation (tDCS) combined with repetitive, task-specific training (RTP) on upper-extremity (UE) impairment in a chronic stroke survivor with moderate impairment. METHOD: The participant was a 54-yr-old woman with chronic, moderate UE hemiparesis after a single stroke that had occurred 10 yr before study enrollment. She participated in 45-min RTP sessions 3 days/wk for 8 wk. tDCS was administered concurrent to the first 20 min of each RTP session...
May 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28391160/long-non-coding-rna-pvt1-promote-lps-induced-septic-acute-kidney-injury-by-regulating-tnf%C3%AE-and-jnk-nf-%C3%AE%C2%BAb-pathways-in-hk-2-cells
#12
Wei Huang, Xiuwen Lan, Xueting Li, Dawei Wang, Yinghao Sun, Qian Wang, Hong Gao, Kaijiang Yu
This study aimed to investigate the effect and underlying mechanism of long non-coding RNA plasmacytoma variant translocation 1 (PVT1) in lipopolysaccharide (LPS)-induced inflammation injury in HK-2 cells. We established LPS-induced septic acute kidney injury (AKI) model in HK-2 cells. LPS-induced HK-2 cells were transfected with pc-PVT1, pc-NC, si-PVT1 or si-NC. Cell viability and apoptosis rate were detected by MTT assay and Annexin V-FITC/PI Apoptosis Detection kit, respectively. The relationships of PVT1 and inflammatory factors were evaluated by RNA Immunoprecipitation (RIP) assay...
April 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28360143/return-to-play-after-hamstring-injuries-in-football-soccer-a-worldwide-delphi-procedure-regarding-definition-medical-criteria-and-decision-making
#13
Nick van der Horst, Fjg Backx, Edwin A Goedhart, Bionka Ma Huisstede
There are three major questions about return to play (RTP) after hamstring injuries: How should RTP be defined? Which medical criteria should support the RTP decision? And who should make the RTP decision? The study aimed to provide a clear RTP definition and medical criteria for RTP and to clarify RTP consultation and responsibilities after hamstring injury. The study used the Delphi procedure. The results of a systematic review were used as a starting point for the Delphi procedure. Fifty-eight experts in the field of hamstring injury management selected by 28 FIFA Medical Centres of Excellence worldwide participated...
March 30, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28355083/systematic-review-of-outcomes-reporting-in-professional-baseball-a-call-for-increased-validation-and-consistency
#14
Jelle P van der List, Christopher L Camp, Alec L Sinatro, Joshua S Dines, Andrew D Pearle
BACKGROUND: Historically, treatment efficacy of professional baseball injuries has been determined by assessing the return-to-play (RTP) rate or using patient-reported functional outcomes scores; however, these methods may not be sensitive and specific enough for elite athletes. As a consequence, performance-based statistics are increasingly being reported in the medical literature. PURPOSE: To (1) assess how treatment efficacy is currently reported in professional baseball players; (2) examine the variability in the reporting of these measures in terms of frequency, length of time followed, and units of measure; and (3) identify any attempts to validate these performance-based statistics...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28345705/activating-efficient-room-temperature-phosphorescence-of-carbon-dots-by-synergism-of-orderly-non-noble-metals-and-dual-structural-confinements
#15
Li Qian Bai, Ning Xue, Xin Rui Wang, Wen Ying Shi, Chao Lu
Obtaining high efficiency room temperature phosphorescence (RTP) by employing non-noble metals poses two challenges: (1) strengthening spin-orbit coupling of excitons to improve the rate of intersystem crossing (ISC) by using non-noble metals with small-atomic-number; (2) employing structural confinement to enhance radiation relaxation because harsh conditions, including carefully selected matrices, rigid solid-state crystalline structure and low temperature, are commonly needed. Here, layered double hydroxides (LDHs) with orderly non-noble metal arrangements were used as an inorganic matrix to activate RTP of carbon dots (CDs)...
March 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28331375/negative-psychological-responses-of-injury-and-rehabilitation-adherence-effects-on-return-to-play-in-competitive-athletes-a-systematic-review-and-meta-analysis
#16
Andreas Ivarsson, Ulrika Tranaeus, Urban Johnson, Andreas Stenling
Previous research offers evidence that psychological factors influence an injured athlete during the rehabilitation process. Our first objective was to conduct a systematic review and meta-analysis of the results from all published studies that examined the relationships among negative affective responses after sport injuries, rehabilitation adherence, and return to play (RTP). The second objective was to use a meta-analytic path analysis to investigate whether an indirect effect existed between negative affective responses and RTP through rehabilitation adherence...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28294629/sport-concussion-management-using-facebook-a-feasibility-study-of-an-innovative-adjunct-icon
#17
Osman Hassan Ahmed, Anthony G Schneiders, Paul R McCrory, S John Sullivan
CONTEXT:   Sport concussion is currently the focus of much international attention. Innovative methods to assist athletic trainers in facilitating management after this injury need to be investigated. OBJECTIVE:   To investigate the feasibility of using a Facebook concussion-management program termed iCon (interactive concussion management) to facilitate the safe return to play (RTP) of young persons after sport concussion. DESIGN:   Observational study...
March 15, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28291745/iterative-framework-for-the-joint-segmentation-and-ct-synthesis-of-mr-images-application-to-mri-only-radiotherapy-treatment-planning
#18
Ninon Burgos, Filipa Guerreiro, Jamie McClelland, Benoît Presles, Marc Modat, Simeon Nill, David Dearnaley, Nandita deSouza, Uwe Oelfke, Antje-Christin Knopf, Sébastien Ourselin, M Jorge Cardoso
To tackle the problem of magnetic resonance imaging (MRI)-only radiotherapy treatment planning (RTP), we propose a multi-atlas information propagation scheme that jointly segments organs and generates pseudo x-ray computed tomography (CT) data from structural MR images (T1-weighted and T2-weighted). As the performance of the method strongly depends on the quality of the atlas database composed of multiple sets of aligned MR, CT and segmented images, we also propose a robust way of registering atlas MR and CT images, which combines structure-guided registration, and CT and MR image synthesis...
March 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28288446/hybrid-detection-of-target-sequence-dna-based-on-phosphorescence-resonance-energy-transfer
#19
Yanming Miao, Jinzhi Lv, Guiqin Yan
The severe background fluorescence and scattering light of real biological samples or environmental samples largely reduce the sensitivity and accuracy of fluorescence resonance energy transfer sensors based on fluorescent quantum dots (QDs). To solve this problem, we designed a novel target sequence DNA biosensor based on phosphorescent resonance energy transfer (PRET). This sensor relied on Mn-doped ZnS (Mn-ZnS) room-temperature phosphorescence (RTP) QDs/poly-(diallyldimethylammonium chloride) (PDADMAC) nanocomposite (QDs(+)) as the energy donor and the single-strand DNA-ROX as the energy receptor...
March 7, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28268276/preliminary-results-of-residual-deficits-observed-in-athletes-with-concussion-history-combined-eeg-and-cognitive-study
#20
Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai
Assessment, treatment, and management of sport-related concussions are a widely recognized public health issue. Although several neuropsychological and motor assessment tools have been developed and implemented for sports teams at various levels and ages, the sensitivity of these tests has yet to be validated with more objective measures to make return-to-play (RTP) decisions more confidently. The present study sought to analyze the residual effect of concussions on a sample of adolescent athletes who sustained one or more previous concussions compared to those who had no concussion history...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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