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https://www.readbyqxmd.com/read/28718467/how-to-make-an-efficient-and-robust-molecular-catalyst-for-water-oxidation
#1
Pablo Garrido-Barros, Carolina Gimbert-Suriñach, Roc Matheu, Xavier Sala, Antoni Llobet
Energy has been a central subject for human development from Homo erectus to date. The massive use of fossil fuels during the last 50 years has generated a large CO2 concentration in the atmosphere that has led to the so-called global warming. It is very urgent to come up with C-neutral energy schemes to be able to preserve Planet Earth for future generations to come and still preserve our modern societies' life style. One of the potential solutions is water splitting with sunlight (hν-WS) that is also associated with "artificial photosynthesis", since its working mode consists of light capture followed by water oxidation and proton reduction processes...
July 18, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28716599/maintaining-viability-and-characteristics-of-cholangiocarcinoma-tissue-by-vitrification-based-cryopreservation
#2
Min Zeng, Qiu-Rui Yang, Gong-Bo Fu, Yuan Zhang, Xu Zhou, Wei-Jian Huang, Hong-Dan Zhang, Wei-Jian Li, Zhen-Yu Wang, He-Xin Yan, Bo Zhai
Tumor tissue has great clinical and scientific value which relies highly on the proper preservation of primary materials. Conventional tumor tissue cryopreservation using slow-freezing method has yielded limited success, leading to significant cell loss and morphological damage. Here we report a standardized vitrification-based cryopreservation method, by which we have successfully vitrified and warmed 35 intrahepatic cholangiocarcinoma (ICC) tissues with up to 80% viability of the fresh tumor tissues. Cryopreserved ICC tissue could generate patient-derived xenografts (PDXs) with take rates of 68...
July 14, 2017: Cryobiology
https://www.readbyqxmd.com/read/28714771/acute-effect-of-static-stretching-on-lower-limb-movement-performance-by-using-stabl-virtual-reality-system
#3
Mariam A Ameer, Qassim I Muaidi
CONTEXT: The effect of acute static stretch (ASS) on the lower limb RT has been recently questioned to decrease the risk of falling and injuries in situations requiring a rapid reaction, as in the cases of balance disturbance. OBJECTIVE: The main purpose of this study was to detect the effect of ASS on the lower limb RT by using virtual reality device. DESIGN: Two Group Control Group design. SETTING: Research laboratory...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28713524/forced-air-warming-discontinued-periprosthetic-joint-infection-rates-drop
#4
REVIEW
Scott D Augustine
Several studies have shown that the waste heat from forced-air warming (FAW) escapes near the floor and warms the contaminated air resident near the floor. The waste heat then forms into convection currents that rise up and contaminate the sterile field above the surgical table. It has been shown that a single airborne bacterium can cause a periprosthetic joint infection (PJI) following joint replacement surgery. We retrospectively compared PJI rates during a period of FAW to a period of air-free conductive fabric electric warming (CFW) at three hospitals...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28712146/a-reversal-of-the-shift-towards-earlier-spring-phenology-in-several-mediterranean-reptiles-and-amphibians-during-the-1998-2013-warming-slowdown
#5
Roger Prodon, Philippe Geniez, Marc Cheylan, Florence Devers, Isabelle Chuine, Aurelien Besnard
Herps, especially amphibians, are particularly susceptible to climate change, since temperature tightly controls many parameters of their biological cycle - above all, their phenology. The timing of herps' activity or migration period - in particular the dates of their first appearance in spring and first breeding - and the shift to earlier dates in response to warming since the last quarter of the 20(th) century has often been described up to now as a nearly monotonic trend towards earlier phenological events...
July 16, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28712135/long-term-changes-in-abundances-of-sonoran-desert-lizards-reveal-complex-responses-to-climatic-variation
#6
Aaron D Flesch, Philip C Rosen, Peter Holm
Understanding how climatic variation affects animal populations and communities is essential for addressing threats posed by climate change, especially in systems where impacts are projected to be high. We evaluated abundance dynamics of five common species of diurnal lizards over 25 years in a Sonoran Desert transition zone where precipitation decreased and temperature increased across time, and assessed hypotheses for the influence of climatic flux on spatiotemporal variation in abundances. We repeatedly surveyed lizards in spring and summer of each year at up to 32 sites, and used hierarchical mixture models to estimate detection probabilities, abundances, and population growth rates...
July 16, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28710786/comparison-of-perioperative-and-functional-outcomes-of-robotic-partial-nephrectomy-for-ct1a-versus-ct1b-renal-masses
#7
Christopher R Reynolds, Joan C Delto, David Paulucci, Corey Weinstein, Ketan Badani, Daniel Eun, Ronney Abaza, James Porter, Akshay Bhandari, Ashok Hemal
OBJECTIVES: To compare perioperative and functional outcomes of patients with cT1a or cT1b renal masses undergoing robotic partial nephrectomy in a large multi-institutional study. PATIENTS AND METHODS: The present retrospective IRB approved multi-institutional study utilized a prospectively maintained database to identify patients undergoing robotic partial nephrectomy by 6 surgeons for a solitary cT1a (n=1307) or cT1b (n=377) renal mass from 2006 to 2016. Perioperative and renal function outcomes at discharge and median follow-up of 12...
July 15, 2017: BJU International
https://www.readbyqxmd.com/read/28702216/hidden-biofilms-in-a-far-northern-lake-and-implications-for-the-changing-arctic
#8
Vani Mohit, Alexander Culley, Connie Lovejoy, Frédéric Bouchard, Warwick F Vincent
Shallow lakes are common across the Arctic landscape and their ecosystem productivity is often dominated by benthic, cyanobacterial biofilms. Many of these water bodies freeze to the bottom and are biologically inactive during winter, but full freeze-up is becoming less common with Arctic warming. Here we analyzed the microbiome structure of newly discovered biofilms at the deepest site of a perennially ice-covered High Arctic lake as a model of polar microbial communities that remain unfrozen throughout the year...
2017: NPJ Biofilms and Microbiomes
https://www.readbyqxmd.com/read/28701758/temperature-dependent-giant-resistance-anomaly-in-laalo3-srtio3-nanostructures
#9
M Z Minhas, A Müller, F Heyroth, H H Blaschek, G Schmidt
The resistance of the electron gas (2DEG) at the interface between the two band insulators LaAlO3 (LAO) and SrTiO3 (STO) typically drops monotonically with temperature and R/T curves during cooling and warm-up look identical for large area structures. Here we show that if the LAO/STO is laterally restricted by nanopatterning the resistance exhibits a temperature anomaly. Warming up nanostructures from low temperatures leads to one or two pronounced resistance peaks between 50 and 100 K not observed for larger dimensions...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28694487/evidence-for-rapid-weathering-response-to-climatic-warming-during-the-toarcian-oceanic-anoxic-event
#10
Theodore R Them, Benjamin C Gill, David Selby, Darren R Gröcke, Richard M Friedman, Jeremy D Owens
Chemical weathering consumes atmospheric carbon dioxide through the breakdown of silicate minerals and is thought to stabilize Earth's long-term climate. However, the potential influence of silicate weathering on atmospheric pCO2 levels on geologically short timescales (10(3)-10(5) years) remains poorly constrained. Here we focus on the record of a transient interval of severe climatic warming across the Toarcian Oceanic Anoxic Event or T-OAE from an open ocean sedimentary succession from western North America...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28689211/association-between-air-temperature-and-acute-myocardial-infarction-hospitalizations-in-tehran-iran-a-time-stratified-case-crossover
#11
Rasool Mohammadi, Soheila Khodakarim, Abbas Alipour, Ehsan Bitaraf, Hamid Soori
BACKGROUND: Although the effect of temperature on the incidence of acute myocardial infarction (AMI) has been extensively documented, no study has previously investigated the association between temperature and AMI in the Middle Eastern countries. OBJECTIVE: To examine the association between daily mean temperature and AMI admission rates in Tehran, Iran. METHODS: Data on daily number of admissions of patients with AMI to Tehran hospitals between March 21, 2013 and March 19, 2016, were retrieved from the Iranian Myocardial Infarction Registry (IMIR)...
July 2017: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28687981/characteristics-and-expression-of-genes-encoding-two-small-heat-shock-protein-genes-lacking-introns-from-chilo-suppressalis
#12
Dan-Dan Pan, Ming-Xing Lu, Qiu-Yu Li, Yu-Zhou Du
Small heat shock proteins (sHSPs) constitute a large, diverse, and functionally uncharacterized family of heat shock proteins. To gain insight regarding the function of sHSPs in insects, we identified genes encoding two sHSPs, Cshsp22.9b and Cshsp24.3, from the rice pest Chilo suppressalis. The cDNAs of Cshsp22.9b and Cshsp24.3 encoded proteins of 206 and 216 amino acids with isoelectric points of 5.79 and 9.28, respectively. Further characterization indicated that both Cshsp22.9b and Cshsp24.3 lacked introns...
July 7, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28686743/the-use-of-climate-information-to-estimate-future-mortality-from-high-ambient-temperature-a-systematic-literature-review
#13
Michael Sanderson, Katherine Arbuthnott, Sari Kovats, Shakoor Hajat, Pete Falloon
BACKGROUND AND OBJECTIVES: Heat related mortality is of great concern for public health, and estimates of future mortality under a warming climate are important for planning of resources and possible adaptation measures. Papers providing projections of future heat-related mortality were critically reviewed with a focus on the use of climate model data. Some best practice guidelines are proposed for future research. METHODS: The electronic databases Web of Science and PubMed/Medline were searched for papers containing a quantitative estimate of future heat-related mortality...
2017: PloS One
https://www.readbyqxmd.com/read/28685454/delayed-onset-of-reoxygenation-in-inactive-muscles-after-high-intensity-exercise
#14
Takuya Osawa, Keisuke Shiose, Hideyuki Takahashi
Oxygenation, measured by near-infrared spectroscopy (NIRS), in inactive muscles decreases during high-intensity exercise because of the decrease of oxygen supply. However, there have been few reports regarding recovery of inactive muscle oxygenation after exercise. This study was performed to examine reoxygenation in the biceps brachii muscle (BB) after supramaximal cycling exercise. Six active young male volunteers (age: 22  ±  3 years, peak oxygen uptake (VO2peak): 53.8  ±  5.4 mL/kg/min, mean  ±  S...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28682215/could-slackline-training-complement-the-fifa-11-programme-regarding-training-of-neuromuscular-control
#15
Tobias Jäger, Julian Kiefer, Inge Werner, Peter A Federolf
The current study compared changes in neuromuscular control between slackline training and the stabilization training elements of the FIFA 11+ programme. Twenty-five students in 2 groups performed a 12-unit training programme. The slackline training group (n = 13) exclusively trained with a slackline. The stabilization training group (n = 12) practised exercises as described in the second part of the FIFA 11+ programme. Improvements in balance were assessed using three tests for dynamic, quasi-static, and perturbed postural control: the star excursion balance test (SEBT), the closed-eye single-leg stance, and the MFT S3-Check...
July 6, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28679786/juvenile-marsupials-need-the-sun-to-warm-up
#16
Julia Nowack
No abstract text is available yet for this article.
July 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28676466/brazilian-samba-protocol-for-individuals-with-parkinson-s-disease-a-clinical-non-randomized-study
#17
Ana Cristina Tillmann, Alexandro Andrade, Alessandra Swarowsky, Adriana Coutinho De Azevedo Guimarães
BACKGROUND: In the 10 most populated countries in the world, Parkinson's disease (PD) affects more than 5 million individuals. Despite optimal treatment options already developed for the disease, concomitant involvement of other areas of health care plays an important role in complementing the treatment. From this perspective, dancing can be viewed as a non-drug alternative that can reduce falls by improving some motor skills, such as mobility, balance, gait, and posture, and can also improve the overall quality of life...
July 4, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28673764/how-to-assess-sensory-recovery-after-breast-reconstruction-surgery
#18
Helena K Puonti, Taina A Broth, Seppo O Soinila, Helena K Hallikainen, Satu K Jääskeläinen
BACKGROUND: We evaluated clinical against psychophysical (tactile and thermal quantitative sensory test [QST]), neurophysiologic (somatosensory evoked potential [SEP]), and epithelial nerve fiber density (ENFD) examinations in detection and follow-up of sensory alterations after breast reconstruction done with or without nerve anastomoses. PATIENTS AND METHODS: In a prospective 2-year follow-up design, 56 breast cancer patients underwent innervated and 20 patients noninnervated free rectus abdominis muscle-sparing flap (ms-TRAM) breast reconstruction...
April 29, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28671731/multiple-phases-of-mg-calcite-in-crustose-coralline-algae-suggest-caution-for-temperature-proxy-and-ocean-acidification-assessment-lessons-from-the-ultrastructure-and-biomineralisation-in-phymatolithon-rhodophyta-corallinales
#19
Merinda C Nash, Walter Adey
Magnesium content, strongly correlated with temperature, has been developed as a climate archive for the late Holocene without considering anatomical controls on Mg content. In this paper we explore the ultrastructure and cellular scale Mg-content variations within four species of North Atlantic crust-forming Phymatolithon. The cell wall has radial grains of Mg-calcite whereas the interfilament (middle lamella) has grains aligned parallel to the filament axis. The proportion of interfilament and cell wall carbonate varies by tissue and species...
July 3, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28662123/effects-of-different-re-warm-up-activities-in-football-players-performance
#20
Eduardo Abade, Jaime Sampaio, Bruno Gonçalves, Jorge Baptista, Alberto Alves, João Viana
Warm up routines are commonly used to optimize football performance and prevent injuries. Yet, official pre-match protocols may require players to passively rest for approximately 10 to 15 minutes between the warm up and the beginning of the match. Therefore, the aim of this study was to explore the effect of different re-warm up activities on the physical performance of football players. Twenty-Two Portuguese elite under-19 football players participated in the study conducted during the competitive season...
2017: PloS One
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