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https://www.readbyqxmd.com/read/29164859/supramolecular-crosslink-regulated-emission-and-related-applications-in-polymer-carbon-dots
#1
Tanglue Feng, Shoujun Zhu, Qingsen Zeng, Siyu Lu, Songyuan Tao, Junjun Liu, Bai Yang
Involvement of clear photoluminescence (PL) mechanism in specific chemical structure is at forefront of carbon dots (CDs). Supramolecular interaction existing in plenty of materials, offers an inherent way to administrate the optical and photophysical properties, especially in terms of newly developed polymer carbon dots (PCDs). However, supramolecular interaction-derived PL regulation is always ignored in the shadow of many kinds of PL factors, and we still have a limited understanding on the distinct chemical structure and mechanism of supramolecular effect in PCDs...
November 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29162467/return-to-play-after-injuries-a-survey-on-the-helpfulness-of-various-forms-of-assistance-in-the-shared-decision-making-process-in-semi-professional-athletes-in-germany
#2
Daniel Niederer, Jan Wilke, Lutz Vogt, Winfried Banzer
OBJECTIVE: To assess how different decision-guiding factors, such as health and performance related actuators, as well as evidence based guidelines, support the process-orientated final positive return to play (RTP) decision of head coaches responsible for semi-professional sport teams. DESIGN: Cross-sectional survey. SETTING: and Participants: A survey consisting of questions on the importance of different decision-guiding factors used when making the RTP decision following injuries was administered to and completed by 238 head coaches of semi-professional players' teams...
November 18, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29146167/incidence-and-return-to-play-after-biceps-tenodesis-in-professional-baseball-players
#3
Peter N Chalmers, Brandon J Erickson, Nikhil N Verma, John D'Angelo, Anthony A Romeo
PURPOSE: To determine return to play (RTP) rates after biceps tenodesis (BT) in professional baseball players. METHODS: Major League Baseball has maintained a prospective database containing all major and minor league baseball players who have undergone shoulder surgery since 2010. All players who had undergone BT were included. Minimum follow-up was 24 months, and thus we included data from 2010 to 2013. Using this database we determined the incidence, demographics, prior surgery history, concomitant procedures, RTP rates, and time to RTP...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29127025/effect-of-yolk-corticosterone-on-begging-in-the-yellow-legged-gull
#4
Cristina Daniela Possenti, Marco Parolini, Andrea Romano, Manuela Caprioli, Diego Rubolini, Nicola Saino
Behavioral lateralization is widespread across vertebrates. The development of lateralization is affected by both genetic and environmental factors. In birds, maternal substances in the egg can affect offspring lateralization via activational and/or organizational effects. Corticosterone affects the development of brain asymmetry, suggesting that variation in yolk corticosterone concentration may also influence post-natal behavioral lateralization, a hypothesis that has never been tested so far. In the yellow-legged gull (Larus michahellis), we increased yolk corticosterone concentration within physiological limits and analyzed the direction of lateralization of hatchlings in reverting from supine to prone position ('RTP' response) and in pecking at dummy parental bills to solicit food provisioning ('begging' response)...
November 15, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29126002/a-thiourea-appended-rhodamine-chemodosimeter-for-mercury-ii-and-its-bioimaging-application
#5
Ajcharapan Tantipanjaporn, Samran Prabpai, Kanoknetr Suksen, Palangpon Kongsaeree
A rhodamine-thiourea conjugate RTP with an o-phenylenediamine linker was developed as a fluorogenic chemodosimeter for Hg(2+) detection. In the presence of Hg(2+), a colorless solution of RTP turned pink with a maximum absorption band at 555nm and with a 62-fold fluorescence enhancement at 578nm (Φ=0.34). RTP is highly selective to Hg(2+) among other metal ions with a detection limit of 1.6nM (0.3ppb). A similar rhodamine analog with a flexible ethylenediamine spacer was less selective and less sensitive than RTP...
October 25, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29125444/online-postconcussion-return-to-play-instructions
#6
Jennylee S Swallow, Jacob R Joseph, Kylene Willsey, Andrea A Almeida, Matthew T Lorincz, Paul Park, Nicholas J Szerlip, Steven P Broglio
OBJECTIVE The authors of recent concussion guidelines have sought to form a consensus on injury management, but it is unclear if they have been effective in conveying this information to the public. Many parents and athletes obtain medical recommendations via the Internet. This review is aimed at evaluating consistency between online resources and published guideline statements in postconcussion return-to-play (RTP) decisions. METHODS Five websites were selected through a Google search for RTP after concussion, including a federal government institution (Centers for Disease Control and Prevention) website, a national high school association (National Federation of State High School Associations) website, a popular nationally recognized medical website for patients (WebMD), a popular parent-driven website for parents of children who participate in sports (MomsTeam), and the website of a private concussion clinic (Sports Concussion Institute), along with a university hospital website (University of Michigan Medicine)...
November 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29117892/emergency-department-referral-patterns-of-australian-general-practitioner-registrars-a-cross-sectional-analysis-of-prevalence-nature-and-associations
#7
Nigel Catzikiris, Amanda Tapley, Simon Morgan, Mieke van Driel, Neil Spike, Elizabeth G Holliday, Jean Ball, Kim Henderson, Lawrie McArthur, Parker Magin
Objective Limited international evidence suggests general practice registrars' emergency department (ED) referral rates exceed those of established general practitioners (GPs). The aim of the present study was to fill an evidence gap by establishing the prevalence, nature and associations of Australian GP registrar ED referrals.Methods A cross-sectional analysis was performed of the Registrar Clinical Encounters in Training (ReCEnT) cohort study of GP registrars' consultation experiences, between 2010 and 2015...
November 9, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/29116884/hamstring-injuries-in-professional-soccer-players-extent-of-mri-detected-edema-and-the-time-to-return-to-play
#8
Michel D Crema, Ivan R B Godoy, Rene J Abdalla, Jose Sanchez de Aquino, Sheila J McNeill Ingham, Abdalla Y Skaf
BACKGROUND: Discrepancies exist in the literature regarding the association of the extent of injuries assessed on magnetic resonance imaging (MRI) with recovery times. HYPOTHESIS: MRI-detected edema in grade 1 hamstring injuries does not affect the return to play (RTP). STUDY DESIGN: Retrospective cohort study. LEVEL OF EVIDENCE: Level 4. METHODS: Grade 1 hamstring injuries from 22 professional soccer players were retrospectively reviewed...
November 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29116189/tobacco-papers-and-tobacco-industry-ties-in-regulatory-toxicology-and-pharmacology
#9
Clayton Velicer, Gideon St Helen, Stanton A Glantz
We examined the relationship between the tobacco industry and the journal Regulatory Toxicology and Pharmacology (RTP) using the Truth Tobacco Industry Documents Library and internet sources. We determined the funding relationships, and categorised the conclusions of all 52 RTP papers on tobacco or nicotine between January 2013 and June 2015, as "positive", "negative" or "neutral" for the tobacco industry. RTP's editor, 57% (4/7) of associate editors and 37% (14/38) of editorial board members had worked or consulted for tobacco companies...
November 7, 2017: Journal of Public Health Policy
https://www.readbyqxmd.com/read/29110380/room-temperature-phosphorescence-based-dissolved-oxygen-detection-by-core-shell-polymer-nanoparticles-having-metal-free-organic-phosphor
#10
Jinsang Kim, Youngchang Yu, Min Sang Kwon, Jaehun Jung, Mounggon Kim, Kyeongwoon Chung, Johannes Gierschner, Ji Ho Youk, Sergey Borisov, Yingying Zeng
Highly sensitive optical detection of oxygen including dissolved oxygen (DO) is of great interest in various applications. We devised a novel room temperature phosphorescence (RTP) based oxygen detection platform by constructing core-shell nanoparticles with water-soluble polymethyloxazoline shells and oxygen-permeable polystyrene core crosslinked with metal-free purely organic phosphors. The resulting nanoparticles show a very high sensitivity (limit of detection (LOD) of 60nM DO) and can be readily used for oxygen quantification in aqueous environments as well as gaseous phase...
November 6, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29107578/facile-detection-of-microrna-based-on-phosphorescence-resonance-energy-transfer-and-duplex-specific-nuclease-assisted-signal-amplification
#11
Jia-Jia Yang, Zhi-Feng Zhang, Gui-Qin Yan
MicroRNAs (miRNAs) play an important role in many biological processes, and its level in plasma and other biological fluids is closely related to many diseases. In this work, a selective room-temperature phosphorescence (RTP) detection method for miRNA was developed based on a duplex-specific nuclease (DSN) -assisted signal amplification strategy and phosphorescence resonance energy transfer (PRET) between poly-diallyldimethylammonium chloride-modified quantum dots (QDs@PDDA) and 6-carboxy-X-rhodamine-modified miRNA sequences complementary oligonucleotide (ROX-ssDNA)...
October 28, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/29106768/cyclic-triimidazole-derivatives-intriguing-cases-of-multiple-emissions-and-rt-ultralong-phosphorescence
#12
Elena Maria Cariati, Elena Lucenti, Alessandra Forni, Chiara Botta, Lucia Carlucci, Clelia Giannini, Daniele Marinotto, Alessandro Pavanello, Andrea Previtali, Stefania Righetto
Solid luminogens' performances are determined by both their inherent electronic properties and packing status. Intermolecular interactions have been exploited to produce persistent room-temperature phosphorescence (RTP) from organic molecules. However, the design of organic materials with bright RTP and the rationalization of the role of interchromophoric electronic coupling remain a challenging task. Cyclic triimidazole has been demonstrated as a promising scaffold due to its crystalline induced room temperature ultralong phosphorescence (RTUP) associated with H aggregation...
November 6, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29102812/results-of-a-utilization-focused-evaluation-of-a-right-to-play-program-for-indigenous-youth
#13
Alexandra Arellano, Tanya Halsall, Tanya Forneris, Cindy Gaudet
This paper presents an evaluation of the Promoting Life Skills for Aboriginal Youth (PLAY) program that is operated by Right to Play (RTP). The focus of the program is to help youth develop a variety of life skills and become leaders within their communities. Piloted in 2010 with 2 communities, the program is now implemented in 88 communities in Ontario, Manitoba, British Columbia, and Alberta. This study applies a utilization-focused evaluation to examine staff perceptions related to program implementation...
August 5, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/29097012/intensity-based-dual-model-method-for-generation-of-synthetic-ct-images-from-standard-t2-weighted-mr-images-generalized-technique-for-four-different-mr-scanners
#14
Lauri Koivula, Mika Kapanen, Tiina Seppälä, Juhani Collan, Jason A Dowling, Peter B Greer, Christian Gustafsson, Adalsteinn Gunnlaugsson, Lars E Olsson, Leonard Wee, Juha Korhonen
BACKGROUND AND PURPOSE: Recent studies have shown that it is possible to conduct entire radiotherapy treatment planning (RTP) workflow using only MR images. This study aims to develop a generalized intensity-based method to generate synthetic CT (sCT) images from standard T2-weighted (T2w) MR images of the pelvis. MATERIALS AND METHODS: This study developed a generalized dual model HU conversion method to convert standard T2w MR image intensity values to synthetic HU values, separately inside and outside of atlas-segmented bone volume contour...
October 30, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29072257/therapeutic-effects-of-a-taurine-magnesium-coordination-compound-on-experimental-models-of-type-2-short-qt-syndrome
#15
Meng-Yao An, Kai Sun, Yan Li, Ying-Ying Pan, Yong-Qiang Yin, Yi Kang, Tao Sun, Hong Wu, Wei-Zhen Gao, Jian-Shi Lou
Short QT syndrome (SQTS) is a genetic arrhythmogenic disease that can cause malignant arrhythmia and sudden cardiac death. The current therapies for SQTS have application restrictions. We previously found that Mg· (NH2CH2CH2SO3)2· H2O, a taurine-magnesium coordination compound (TMCC) exerted anti-arrhythmic effects with low toxicity. In this study we established 3 different models to assess the potential anti-arrhythmic effects of TMCC on type 2 short QT syndrome (SQT2). In Langendorff guinea pig-perfused hearts, perfusion of pinacidil (20 μmol/L) significantly shortened the QT interval and QTpeak and increased rTp-Te (P<0...
October 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29069537/the-quality-of-father-child-rough-and-tumble-play-and-toddlers-aggressive-behavior-in-china
#16
Sheila Anderson, Wei Qiu, Shanalyn J Wheeler
The purpose of this study was to explore the influence of the quality of early father-child rough-and-tumble play (RTP) on toddler aggressive behaviors and more fully understand how child, mother, and father characteristics were associated with higher quality father-child RTP among contemporary urban Chinese families. Participants included 42 families in Changsha, China. Play observations of fathers and their children were coded for RTP quality. The specific RTP quality of father-child reciprocity of dominance was associated with fewer toddler aggressive behaviors, as rated by both fathers and mothers...
November 2017: Infant Mental Health Journal
https://www.readbyqxmd.com/read/29064248/highly-efficient-room-temperature-phosphorescence-from-halogen-bonding-assisted-doped-organic-crystals
#17
Lu Xiao, Yishi Wu, Jianwei Chen, Zhenyi Yu, Yanping Liu, Jiannian Yao, Hongbing Fu
The development of metal-free organic room temperature phosphorescence (RTP) materials has attracted increasing attention because of their applications in sensors, biolabeling (imaging) agents and anticounterfeiting technology, but remains extremely challenging owing to the restricted spin-flip intersystem crossing (ISC) followed by low-yield phosphorescence that cannot compete with nonradiative relaxation processes. Here, we report a facile strategy to realize highly efficient RTP by doping iodo difluoroboron dibenzoylmethane (I-BF2dbm-R) derivatives into a rigid crystalline 4-iodobenzonitrile (Iph-C≡N) matrix...
November 7, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29041622/2-4-thz-s-continuously-linearly-frequency-modulated-nd-yvo4-laser
#18
Xinrui Xu, Xudong Li, Renpeng Yan, Yufei Ma, Zhiwei Dong, Rongwei Fan, Deying Chen
We demonstrate a linearly frequency-modulated laser from a laser diode (LD) pumped Nd:YVO4 laser. A fast frequency tuning of 2.40 THz/s with a tuning range of 6 GHz is achieved in LD pumped Nd:YVO4 1064 nm laser by using RbTiOPO4 (RTP) crystals as the frequency modulator. The continuous tuning range is more than 3 times the longitudinal mode spacing of the resonator. The maximum output power of frequency-modulated laser reaches 160 mW at 1064 nm. Linewidth of the single frequency laser is measured to be 190 kHz by a delay self-heterodyne interferometer...
September 18, 2017: Optics Express
https://www.readbyqxmd.com/read/28983296/recombinant-trichinella-pseudospiralis-serine-protease-inhibitors-alter-macrophage-polarization-in-vitro
#19
Ning Xu, Xiaolei Liu, Bin Tang, Libo Wang, Hai N Shi, Pascal Boireau, Mingyuan Liu, Xue Bai
During parasite infection, serine protease inhibitors secreted by parasites play important roles in suppressing host defenses. However, the mechanism of immune regulation is unclear. In this study, a serpin gene from Trichinella pseudospiralis, named Tp-Serpin, was cloned and expressed, in order to reveal its role in the regulation of the host immune response in T. pseudospiralis infection. The results showed that Tp-Serpin encodes a 43 kDa protein that was recognized by serum from T. pseudospiralis infected mice at 60 days post-infection (dpi)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28981197/elucidating-the-excited-state-of-mechanoluminescence-in-organic-luminogens-with-room-temperature-phosphorescence
#20
Jie Yang, Xuming Gao, Zongliang Xie, Yanbin Gong, Manman Fang, Qian Peng, Zhenguo Chi, Zhen Li
Two stable, purely organic luminogens exhibit both mechano- (ML) and photoluminescence (PL) with dual fluorescence-phosphorescence emissions at room temperature. Careful analysis of the crystal structures, coupled with theoretical calculations, demonstrate that room-temperature phosphorescence and ML properties are strongly related to molecular packing. In particular, the formation and fracture of molecular dimers with intermolecular charge-transfer properties has a significant effect on intersystem crossing, as well as excited triplet state emissions, in both PL and ML processes...
October 5, 2017: Angewandte Chemie
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