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https://www.readbyqxmd.com/read/27912114/remediation-of-cr-vi-by-inorganic-organic-clay
#1
Suramya I Rathnayake, Wayde N Martens, Yunfei Xi, Ray L Frost, Godwin A Ayoko
Application of inorganic-organic clays (IOCs) for the remediation of hexavalent chromium (Cr (VI)) and the effect of bisphenol-A (BPA) were investigated. IOCs were better adsorbents for the removal of Cr (VI) than organoclay. Solution pH significantly affected the surface charge of IOCs and speciation of Cr in the solution; hence, the adsorption of Cr onto IOCs. Pseudo-second order model and Langmuir model were the best fit for the kinetics and equilibrium data, indicating chemisorption and formation of monolayer on homogenous adsorption sites, respectively...
November 21, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27900197/research-priorities-of-international-sporting-federations-and-the-ioc-research-centres
#2
Caroline F Finch, Scott Talpey, Ashley Bradshaw, Torbjorn Soligard, Lars Engebretsen
BACKGROUND/AIM: To be fully effective, the prevention of injury in sport and promotion of athlete's health needs to be both targeted and underpinned by scientific evidence. This study aimed to identify the research priorities of International Sporting Federation (ISFs) compared to the current research focus of the International Olympic Committee Research Centres (IOC-RCs). METHODS: Online survey of ISF Medical Chairpersons (n=22, 69% response) and IOC-RC Directors (n=7, 78% response)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27879256/determination-and-regulation-of-body-composition-in-elite-athletes
#3
Peter Sonksen
In 2011, the International Association of Athletics Federations (IAAF) and IOC introduced a 'hyperandrogenism' rule that excluded women with a serum testosterone >10 nmol/L from participating in elite sport. This rule was based on the false premise that the greater lean body mass in men was a consequence of their higher serum testosterone. This rule did not have scientific backing and the Court of Arbitration for Sport subsequently rescinded the rule following an appeal from an Indian athlete barred from the Commonwealth Games...
November 22, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27863870/fast-and-slow-adsorption-of-carbamazepine-on-biochar-as-affected-by-carbon-structure-and-mineral-composition
#4
Jian Chen, Di Zhang, Huang Zhang, Saikat Ghosh, Bo Pan
The influence of carbon structure and mineral composition of biochar on fast adsorption and slow adsorption of ionic organic contaminants (IOCs) is still unclear. This study used carbamazepine (CBZ) as adsorbate, peanut-shell-derived biochars produced at different charred temperatures, and the corresponding acid-washed biochars as adsorbents, to investigate the adsorption kinetics as affected by carbon structure and mineral composition of biochar. The adsorption of CBZ on amorphous (loose) carbon was lower than aromatic (condensed) carbon, but the former mainly contributed to the fast adsorption of CBZ...
November 15, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27862627/perceived-impact-of-cancer-among-adolescents-and-young-adults-relationship-with-health-related-quality-of-life-and-distress
#5
O Husson, B Zebrack
OBJECTIVE: To examine whether perceptions of the impact of cancer are related to health-related quality of life (HRQoL) and psychological distress among survivors of cancer in adolescence and young adulthood (AYA). METHODS: 173 AYA cancer survivors (aged 18-35 years and 15-29 years at time of diagnosis) completed a mailed survey assessing impact of cancer (IOC-AYA), HRQoL (SF-36), and distress (BSI-18). Hierarchical linear regression models analyzed the independent effects of perceived impacts of cancer on HRQoL and distress after controlling for clinical and socio-demographic characteristics...
November 8, 2016: Psycho-oncology
https://www.readbyqxmd.com/read/27857966/endoscopic-versus-laparoscopic-treatment-for-choledocholithiasis-a-prospective-randomized-controlled-trial
#6
Javier Ernesto Barreras González, Rafael Torres Peña, Julián Ruiz Torres, Miguel Ángel Martínez Alfonso, Raúl Brizuela Quintanilla, Maricela Morera Pérez
Background and study aims: Overall, 5 % to 15 % of patients undergoing cholecystectomy for cholelithiasis have concomitant bile duct stones, and the incidence of choledocholithiasis increases with age. There is no clear consensus on the best therapeutic approach (endoscopic versus surgical). Patients and methods: A prospective randomized controlled clinical trial was performed to compare three treatment options for patients with choledocholithiasis at the National Center for Minimally Invasive Surgery in Havana, Cuba from November 2007 to November 2011...
November 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27844236/biliary-tract-visualization-using-near-infrared-imaging-with-indocyanine-green-during-laparoscopic-cholecystectomy-results-of-a-systematic-review
#7
S L Vlek, D A van Dam, S M Rubinstein, E S M de Lange-de Klerk, L J Schoonmade, J B Tuynman, W J H J Meijerink, M Ankersmit
BACKGROUND: Near-infrared imaging with indocyanine green (ICG) has been extensively investigated during laparoscopic cholecystectomy (LC). However, methods vary between studies, especially regarding patient selection, dosage and timing. The aim of this systematic review was to evaluate the potential of the near-infrared imaging technique with ICG to identify biliary structures during LC. METHODS: A comprehensive systematic literature search was performed. Prospective trials examining the use of ICG during LC were included...
November 14, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27826873/comparison-of-the-impact-of-cancer-between-british-and-us-long-term-non-hodgkin-lymphoma-survivors
#8
Shah-Jalal Sarker, Sophia K Smith, Kashfia Chowdhury, Patricia A Ganz, Sheryl Zimmerman, John Gribben, Ania Korszun
PURPOSE: The aims of this study were to examine quality of life, using the Impact of Cancer version 2 (IOCv2), in British non-Hodgkin lymphoma (NHL) survivors and investigate differences between survivors in the UK and the USA. METHODS: NHL survivors (326 UK and 667 US) completed the 37-item IOCv2 and psychological distress, fatigue and social support questionnaires. RESULTS: The IOCv2 showed good reliability in the British sample with higher internal consistency (Cronbach alpha 0...
November 8, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27780559/routine-intraoperative-cholangiography-is-unnecessary-in-patients-with-mild-gallstone-pancreatitis-and-normalizing-bilirubin-levels
#9
Xuan-Binh D Pham, Christian de Virgilio, Lutfi Al-Khouja, Michael C Bermudez, Alexander C Schwed, Amy H Kaji, David S Plurad, Steven L Lee, Robert S Bennion, Darin J Saltzman, Dennis Y Kim
BACKGROUND: The benefit of intraoperative cholangiography (IOC) is controversial in patients with gallstone pancreatitis whose bilirubin levels are normalizing. IOC with subsequent endoscopic retrograde cholangiopancreatography may lengthen duration of surgery and length of stay, whereas failure to clear the common bile duct may result in recurrent pancreatitis. METHODS: We performed a 6-year retrospective cohort analysis of consecutive adult patients with mild gallstone pancreatitis undergoing same-admission cholecystectomy at 2 university-affiliated medical centers...
September 28, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27779989/analysis-of-endoscopic-retrograde-cholangiopancreatography-after-positive-intraoperative-cholangiogram-is-it-necessary
#10
John V Gahagan, Steven Maximus, Matthew D Whealon, Michael J Phelan, Aram Demirjian, Victor C Joe
The necessity of routine endoscopic retrograde cholangiopancreatography (ERCP) after positive intraoperative cholangiogram (IOC) during laparoscopic cholecystectomy is not well defined. We aimed to examine the incidence of positive IOC among patients who undergo IOC during cholecystectomy and the rate of subsequent ERCP stone extraction. The Nationwide Inpatient Sample database was reviewed for all patients undergoing cholecystectomy with IOC from 2002 to 2012. Patients were then analyzed for ERCP and stone extraction...
October 2016: American Surgeon
https://www.readbyqxmd.com/read/27761885/diagnostic-assessment-of-intraoperative-cytology-for-papillary-thyroid-carcinoma-using-a-decision-tree-analysis
#11
J-S Pyo, J H Sohn, G Kang
PURPOSE: The aim of this study was to elucidate the cytological characteristics and the diagnostic usefulness of intraoperative cytology (IOC) for papillary thyroid carcinoma (PTC). In addition, using decision tree analysis, effective features for accurate cytological diagnosis were sought. METHODS: We investigated cellularity, cytological features and diagnosis based on the Bethesda System for Reporting Thyroid Cytopathology in IOC of 240 conventional PTCs. The cytological features were evaluated in terms of nuclear score with nuclear features, and additional figures such as presence of swirling sheets, psammoma bodies, and multinucleated giant cells...
October 19, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27733352/exercise-and-pregnancy-in-recreational-and-elite-athletes-2016-evidence-summary-from-the-ioc-expert-group-meeting-lausanne-part-2-the-effect-of-exercise-on-the-fetus-labour-and-birth
#12
Kari Bø, Raul Artal, Ruben Barakat, Wendy Brown, Michael Dooley, Kelly R Evenson, Lene A H Haakstad, Karin Larsen, Bengt Kayser, Tarja I Kinnunen, Michelle F Mottola, Ingrid Nygaard, Mireille van Poppel, Britt Stuge, Gregory A L Davies
This is Part 2 of 5 in the series of evidence statements from the IOC expert committee on exercise and pregnancy in recreational and elite athletes. Part 1 focused on the effects of training during pregnancy and on the management of common pregnancy-related symptoms experienced by athletes. In Part 2, we focus on maternal and fetal perinatal outcomes.
October 12, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27535991/how-much-is-too-much-part-2-international-olympic-committee-consensus-statement-on-load-in-sport-and-risk-of-illness
#13
Martin Schwellnus, Torbjørn Soligard, Juan-Manuel Alonso, Roald Bahr, Ben Clarsen, H Paul Dijkstra, Tim J Gabbett, Michael Gleeson, Martin Hägglund, Mark R Hutchinson, Christa Janse Van Rensburg, Romain Meeusen, John W Orchard, Babette M Pluim, Martin Raftery, Richard Budgett, Lars Engebretsen
The modern-day athlete participating in elite sports is exposed to high training loads and increasingly saturated competition calendar. Emerging evidence indicates that inappropriate load management is a significant risk factor for acute illness and the overtraining syndrome. The IOC convened an expert group to review the scientific evidence for the relationship of load-including rapid changes in training and competition load, competition calendar congestion, psychological load and travel-and health outcomes in sport...
September 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27517718/transport-and-retention-of-phytophthora-capsici-zoospores-in-saturated-porous-media
#14
Sangho Jeon, Charles S Krasnow, Caitlin K Kirby, Leah L Granke, Mary K Hausbeck, Wei Zhang
Phytophthora capsici is an important plant pathogen capable of infecting several major vegetable crops. Water-induced P. capsici transport is considered to be a significant contributor to disease outbreaks and subsequent crop loss. However, little is known about factors controlling P. capsici zoospore transport in porous media, thus impeding our understanding of their environmental dispersal and development of filtration techniques for contaminated irrigation water. This study investigated the transport and retention of P...
September 6, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27490354/-zika-virus-impact-on-the-2016-olympic-games-in-rio-de-janeiro
#15
K Warnke, J Paul
There is an ongoing discussion in the media about the Zika virus and the question of whether or not athletes and visitors will be at risk of an infection during the Olympic Games in Rio de Janeiro in 2016. According to an assessment published on 31 May 2016 by the IOC and the WHO, participants and visitors have no reason to panic. However, increasing public pressure has caused the WHO to re-evaluate the current situation, and further recommendations will likely be given before the Olympic Games start. The current facts are as follows: 1) The Olympic Summer Games will be held during the winter months in Brazil, when the appearance of mosquitoes is expected to be low...
August 2016: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/27448279/contrast-enhanced-intraoperative-ultrasonic-cholangiography-in-living-donor-hepatectomy
#16
LETTER
Takeshi Urade, Takumi Fukumoto, Masahiro Kido, Atsushi Takebe, Motofumi Tanaka, Kaori Kuramitsu, Hisoka Kinoshita, Hirochika Toyama, Tetsuo Ajiki, Takeshi Iwasaki, Masahiro Tominaga, Yonson Ku
No abstract text is available yet for this article.
October 2016: Liver Transplantation
https://www.readbyqxmd.com/read/27430870/psychological-behavioral-and-clinical-effects-of-intra-oral-camera-a-randomized-control-trial-on-adults-with-gingivitis
#17
Mário-Rui Araújo, Maria-João Alvarez, Cristina A Godinho, Cícero Pereira
OBJECTIVES: To evaluate the effects of using an intra-oral camera (IOC) during supportive periodontal therapy (SPT), on the psychological, behavioral, and clinical parameters of patients with gingivitis, outlined by evidence and a theory-based framework. METHODS: A group of 78 adult patients with gingivitis receiving an SPT was randomized into two groups: IOC and control. Bleeding on Marginal Probing (BOMP), self-reported dental hygiene behaviors, and psychological determinants of behavior change (outcome expectancies, self-efficacy, and planning) and IOC opinion were evaluated 1 week before or during the appointment and 4 months later...
July 19, 2016: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/27411676/elective-laparoscopic-cholecystectomy-without-intraoperative-cholangiography-role-of-preoperative-magnetic-resonance-cholangiopancreatography-a-retrospective-cohort-study
#18
Jinfeng Zang, Yin Yuan, Chi Zhang, Junye Gao
BACKGROUND: Laparoscopic cholecystectomy (LC) is the standard treatment for gallbladder diseases. Intraoperative cholangiography (IOC) can reduce biliary complications of LC; however, with the emergence of magnetic resonance cholangiopancreatography (MRCP), IOC nowadays is faced with unprecedented challenge. The purpose of this study is to evaluate whether preoperative MRCP can safely replace IOC during elective LC in terms of retained common bile duct (CBD) stones and bile duct injury (BDI)...
July 13, 2016: BMC Surgery
https://www.readbyqxmd.com/read/27406571/evaluation-of-phytic-acid-utilization-by-s-cerevisiae-strains-used-in-fermentation-processes-and-biomass-production
#19
Dawid Mikulski, Grzegorz Kłosowski
Saccharomyces cerevisiae is a well-studied yeast species used mainly in fermentation processes, bakery, and for SCP (Single Cell Protein) acquisition. The aim of the study was to analyze the possibility of phytic acid utilization as one of the hydrolysis processes carried out by yeast. The analysis of 30 yeast strains used in fermentation and for biomass production, that were grown in media containing phytic acid, revealed a high variability in the biomass production rate and the capability to hydrolyze phytates...
July 13, 2016: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/27400111/surgical-management-of-adult-reducible-atlantoaxial-dislocation-basilar-invagination-and-chiari-malformation-with-syringomyelia
#20
Gong Shuhui, Liu Jiagang, Chen Haifeng, Zhao Bo Hao, Huang Si Qing
AIM: To analyze retrospectively the surgical management of reducible atlantoaxial dislocation (AAD), basilar invagination (BI) and Chiari malformation (CHM) with syringomyelia through a single-stage posterior approach. MATERIAL AND METHODS: Forty-three patients with reducible AAD, BI and CHM with syringomyelia underwent surgery from January 2009 to January 2013. Intraoperative restoration followed by posterior decompression and plate-rod placement with occipital cortical screws and C2/C3 lateral mass cortical screws fixation devices were used in all patients...
2016: Turkish Neurosurgery
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