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https://www.readbyqxmd.com/read/29782801/epr-evidence-of-liquid-water-in-ice-an-intrinsic-property-of-water-or-a-self-confinement-effect
#1
Muthulakshmi Thangswamy, Priya Maheshwari, Dhanadeep Dutta, Vinayak G Rane, Pradeep Kumar Pujari
Liquid water (LW) existence in pure ice below 273 K has been a controversial aspect primarily because of the lack of experimental evidences. Recently, electron paramagnetic resonance (EPR) has been used to study deeply supercooled water in a rapidly-frozen polycrystalline ice. The same technique can also be used to probe the presence of LW in polycrystalline ice that has formed through a more conventional, slow cooling one. In this context, the present study aims to emphasize that in case of an external probe involving techniques such as EPR, the results are influenced by the binary phase (BP) diagram of the probe-water system, which also predicts the existence of LW domains in ice, upto the eutectic point...
May 21, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29782183/effect-of-cabbage-wraps-on-the-reduction-of-post-traumatic-knee-exudates-in-men
#2
Jacek Dygut, Monika Piwowar, Kinga Fijałkowska, Ibeth Guevara, Robert Jakubas, Gustaw Gonzales, Krzysztof Popławski, Anna Strokowska, Hanna Wikariak, Wiktor Jurkowski
OBJECTIVES: The study investigates measurable effects of cabbage leaf wraps on post-traumatic knee injury exudate absorption in men. DESIGN: Case-control experiment on the same group of patients (before and after treatment). SETTINGS/LOCATION: One academic center and two hospitals. SUBJECTS: The study was carried out on a group of patients with different degrees of injury severity in the acute stage of the knee injury who were divided into three groups based on the width of suprapatellar recess gap (3-5 mm in group 1, 6-10 mm in group 2, and 11 mm or more in group 3) as assessed by ultrasonography...
May 21, 2018: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29781931/ultrasound-assessment-of-ice-ball-formation-by-cryoneurolysis-device-in-an-ex-vivo-model
#3
Adrian Kastler, Hannes Gruber, Elke Gizewski, Alexander Loizides
BACKGROUND AND OBJECTIVES: Real-time ice-ball formation during cryoneurolysis has sparsely been assessed with ultrasound (US). Cryoneurolysis in lower back pain syndrome represents a validated management option in cases of facet joint syndrome. Ultrasound may be a useful tool to perform facet joint cryodenervation. The objective of this study was to assess, ex vivo, the ability of US to assess the ice-ball formation of a cryoneurolysis device. METHODS: Ultrasound assessment of the ice-ball depiction was done using chicken muscle at 22°C in which several freezing cycles were performed with both 2...
May 17, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29781392/adolescent-athletes-with-learning-disability-display-atypical-maturational-trajectories-on-concussion-baseline-testing-implications-based-on-a-finnish-sample
#4
Kati Peltonen, Matti Vartiainen, Tiina Laitala-Leinonen, Sanna Koskinen, Teemu Luoto, Jon Pertab, Laura Hokkanen
Previous research has reported lower cognitive test scores on baseline testing in athletes reporting multiple previous concussions or a history of learning disability (LD). Age also has an important influence on cognitive performance. While these factors have been considered individually in previous studies, the present study is the first to explore the interaction of age, self-reported LD, and history of concussion on baseline Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT®) in a nationwide study of adolescent athletes...
May 21, 2018: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/29780979/entropy-connects-water-structure-and-dynamics-in-protein-hydration-layer
#5
Jayangika N Dahanayake, Katie R Mitchell-Koch
The enzyme Candida Antarctica lipase B (CALB) serves here as a model for understanding connections among hydration layer dynamics, solvation shell structure, and protein surface structure. The structure and dynamics of water molecules in the hydration layer were characterized for regions of the CALB surface, divided around each α-helix, β-sheet, and loop structure. Heterogeneous hydration dynamics were observed around the surface of the enzyme, in line with spectroscopic observations of other proteins. Regional differences in the structure of the biomolecular hydration layer were found to be concomitant with variations in dynamics...
May 21, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29780846/epidemiology-of-hip-and-groin-injuries-in-collegiate-athletes-in-the-united-states
#6
Yehuda E Kerbel, Christopher M Smith, John P Prodromo, Michael I Nzeogu, Mary K Mulcahey
Background: Hip and groin pain is a common complaint among athletes. Few studies have examined the epidemiology of hip and groin injuries in collegiate athletes across multiple sports. Purpose: To describe the rates, mechanisms, sex-based differences, and severity of hip/groin injuries across 25 collegiate sports. Study Design: Descriptive epidemiology study. Methods: Data from the 2009-2010 through 2013-2014 academic years were obtained from the National Collegiate Athletic Association Injury Surveillance Program (NCAA ISP)...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780678/meteoric-metal-chemistry-in-the-martian-atmosphere
#7
J M C Plane, J D Carrillo-Sanchez, T P Mangan, M M J Crismani, N M Schneider, A Määttänen
Recent measurements by the Imaging Ultraviolet Spectrograph (IUVS) instrument on NASA's Mars Atmosphere and Volatile EvolutioN mission show that a persistent layer of Mg+ ions occurs around 90 km in the Martian atmosphere but that neutral Mg atoms are not detectable. These observations can be satisfactorily modeled with a global meteoric ablation rate of 0.06 t sol-1 , out of a cosmic dust input of 2.7 ± 1.6 t sol-1 . The absence of detectable Mg at 90 km requires that at least 50% of the ablating Mg atoms ionize through hyperthermal collisions with CO2 molecules...
March 2018: Journal of Geophysical Research. Planets
https://www.readbyqxmd.com/read/29780552/experiments-indicating-a-second-hydrogen-ordered-phase-of-ice-vi
#8
Tobias M Gasser, Alexander V Thoeny, Lucie J Plaga, Karsten W Köster, Martin Etter, Roland Böhmer, Thomas Loerting
In the last twelve years five new ice phases were experimentally prepared. Two of them are empty clathrate hydrates and three of them represent hydrogen ordered counterparts of previously known disordered ice phases. Here, we report on hydrogen ordering in ice VI samples produced by cooling at pressures up to 2.00 GPa. Based on results from calorimetry, dielectric relaxation spectroscopy, Raman spectroscopy, and powder X-ray diffraction the existence of a second hydrogen ordered polymorph related to ice VI is suggested...
May 14, 2018: Chemical Science
https://www.readbyqxmd.com/read/29780544/the-enhancement-and-suppression-of-immersion-mode-heterogeneous-ice-nucleation-by-solutes
#9
Thomas F Whale, Mark A Holden, Theodore W Wilson, Daniel O'Sullivan, Benjamin J Murray
Heterogeneous nucleation of ice from aqueous solutions is an important yet poorly understood process in multiple fields, not least the atmospheric sciences where it impacts the formation and properties of clouds. In the atmosphere ice-nucleating particles are usually, if not always, mixed with soluble material. However, the impact of this soluble material on ice nucleation is poorly understood. In the atmospheric community the current paradigm for freezing under mixed phase cloud conditions is that dilute solutions will not influence heterogeneous freezing...
May 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29779807/acceptance-of-texture-modified-in-between-meals-among-old-adults-with-dysphagia
#10
S L Okkels, M Saxosen, S Bügel, A Olsen, T W Klausen, A M Beck
BACKGROUND AND AIMS: Old adults suffering from dysphagia have difficulties swallowing, chewing and/or eating, and are therefore at high risk of undernutrition. In-between-meals that are texture modified are of particular importance for people suffering from dysphagia. To meet their adequate daily amount of food intake they are recommended to eat 3-5 in-between-meals daily. The aim of the current pilot study was to identify the most liked in-between-meals for old adults based on flavour and describe the basic sensory properties of these in-between-meals...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29778986/breaking-through-the-dilemma-of-whether-to-continue-nursing-newly-graduated-nurses-experiences-of-work-challenges
#11
Hwey-Fang Liang, Chun-Chih Lin, Kuang-Ming Wu
BACKGROUND: Newly graduated nurses (NGNs) often encounter unique work challenges. PURPOSE: To discover Taiwanese NGNs' experiences of work challenges. METHOD: An interpretive qualitative design was chosen. In-depth interviews were completed with 25 NGNs working in clinical settings in Taiwan. Data were analyzed using content analysis. RESULTS: The essential structure of NGNs' experiences of work challenges was described as struggling and breaking through the dilemma of deciding whether to continue nursing or quit...
May 4, 2018: Nurse Education Today
https://www.readbyqxmd.com/read/29777985/liquid-chromatography-tandem-mass-spectrometry-for-the-quantification-of-moxifloxacin-ciprofloxacin-daptomycin-caspofungin-and-isavuconazole-in-human-plasma
#12
Julian Hösl, André Gessner, Nahed El-Najjar
A simple and precise ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed for the simultaneous analysis of five anti-infective agents used to treat severe infections [three antibiotics (daptomycin, moxifloxacin, ciprofloxacin) and two antifungals (isavuconazole, caspofungin)] in human plasma. Sample preparation was based on protein precipitation with ice cold methanol. All five agents were analyzed with the corresponding isotopically labeled internal standards. All analytes were detected in multiple reactions monitoring (MRM) using API 4000 triple-quadrupole mass spectrometer with electrospray (ESI) source operating in positive mode...
May 12, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29777239/inference-about-causation-between-body-mass-index-and-dna-methylation-in-blood-from-a-twin-family-study
#13
Shuai Li, Ee Ming Wong, Minh Bui, Tuong L Nguyen, Ji-Hoon Eric Joo, Jennifer Stone, Gillian S Dite, Pierre-Antoine Dugué, Roger L Milne, Graham G Giles, Richard Saffery, Melissa C Southey, John L Hopper
BACKGROUND: Several studies have reported DNA methylation in blood to be associated with body mass index (BMI), but few have investigated causal aspects of the association. We used a twin family design to assess this association at two life points and applied a novel analytical approach to appraise the evidence for causality. METHODS: The methylation profile of DNA from peripheral blood was measured for 479 Australian women from 130 twin families. Linear regression was used to estimate the associations of DNA methylation at ~410,000 cytosine-guanine dinucleotides (CpGs), and of the average DNA methylation at ~20,000 genes, with current BMI, BMI at age 18-21 years, and the change between the two (BMI change)...
May 17, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29776324/intraoperative-cryoanalgesia-for-reducing-post-tonsillectomy-pain-a-systemic-review
#14
Blake S Raggio, Blair M Barton, Maria C Grant, Edward D McCoul
OBJECTIVE: Summarize the effectiveness of intraoperative cryoanalgesia in the management of postoperative pain among patients undergoing palatine tonsillectomy. METHODS: A systematic review of PubMED, MEDLINE, EMBASE, Google Scholar, and Cochrane trial registries was performed through January 2017 using the PRISMA standards. We included English-language randomized controlled trials evaluating patients of all age groups with benign pathology who underwent tonsillectomy with cryoanalgesia versus without...
June 2018: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/29774975/signals-of-large-scale-climate-drivers-hatchery-enhancement-and-marine-factors-in-yukon-river-chinook-salmon-survival-revealed-with-a-bayesian-life-history-model
#15
Curry J Cunningham, Peter A H Westley, Milo D Adkison
Understanding how species might respond to climate change involves disentangling the influence of co-occurring environmental factors on population dynamics, and is especially problematic for migratory species like Pacific salmon that move between ecosystems. To date, debate surrounding the causes of recent declines in Yukon River Chinook salmon (Oncorhynchus tshawytscha) abundance has centered on whether factors in freshwater or marine environments control variation in survival, and how these populations at the northern extremity of the species range will respond to climate change...
May 18, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29770427/near-infrared-laser-mediated-modulation-of-ice-crystallization-by-two-dimensional-nanosheets-enables-high-survival-recovery-of-biological-cells-from-cryogenic-temperatures
#16
Fazil Panhwar, Zhongrong Chen, S M Chapal Hossain, Meng Wang, Zeeshan Haider, Kashan Memon, Pengpeng Chen, Gang Zhao
Two-dimensional (2D) graphene oxide (GO) and molybdenum disulfide (MoS2) nanosheets (NSs) have been widely used as photothermal agents and as potential carriers of antitumor drugs. Their spatial thermal effects have been extensively explored for use at physiological and hyperthermic temperatures (37 to 46 °C). Furthermore, the modulation of the spatial thermal distributions with these NSs may have even more profound applications in the microstructural control of biomaterials at cryogenic temperatures (-196 to 37 °C)...
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29770216/assessment-of-a-novel-cryoablation-device-for-the-endovascular-treatment-of-cardiac-tachyarrhythmias
#17
John M Baust, Anthony Robilotto, Peter Guerra, Kristi K Snyder, Robert G Van Buskirk, Marc Dubuc, John G Baust
Objectives: Cryoablation is an effective alternative treatment for cardiac arrhythmias offering shortened recovery and reduced side effects. As the use of cryoablation increases, the need for new devices and procedures has emerged. This has been driven by technological limitations including lengthy periods to generate a single lesion (3-5 min), uncertain transmurality, and differential efficacy. Furthermore, due to limited ablation capacity under high heat loads, cryo has had limited success in the treatment of ventricular arrhythmias...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29770174/a-simple-technique-to-prolong-molding-time-during-application-of-a-fiberglass-cast-an-in-vitro-study
#18
Mark Ayzenberg, Michael Narvaez, James Raphael
Casting is routinely used for acute and post-operative immobilization and remains a cornerstone in the non-operative management of fractures and deformities. The application of a properly fitted and wellmolded cast, especially for a trainee, can be challenging. We present a simple method of prolonging cure time of fiberglass cast - placing ice in the dip water. Eight-ply, fiveinch fiberglass cast was circumferentially applied to an aluminum-wrapped cardboard cylinder. An electronic, 2-channel temperature sensor (TR-71wf Temp Logger, T&D Corporation, Matsumoto, Japan), accurate to 0...
March 29, 2018: Orthopedic Reviews
https://www.readbyqxmd.com/read/29769816/the-effect-of-two-different-concurrent-training-programs-on-strength-and-power-gains-in-highly-trained-individuals
#19
Henrik Petré, Pontus Löfving, Niklas Psilander
The effects of concurrent strength and endurance training have been well studied in untrained and moderately-trained individuals. However, studies examining these effects in individuals with a long history of resistance training (RT) are lacking. Additionally, few studies have examined how strength and power are affected when different types of endurance training are added to an RT protocol. The purpose of the present study was to compare the effects of concurrent training incorporating either low-volume, high-intensity interval training (HIIT, 8-24 Tabata intervals at ~150% of VO2max ) or high-volume, medium-intensity continuous endurance training (CT, 40-80 min at 70% of VO2max ), on the strength and power of highly-trained individuals...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769593/east-asian-warm-season-temperature-variations-over-the-past-two-millennia
#20
Huan Zhang, Johannes P Werner, Elena García-Bustamante, Fidel González-Rouco, Sebastian Wagner, Eduardo Zorita, Klaus Fraedrich, Johann H Jungclaus, Fredrik Charpentier Ljungqvist, Xiuhua Zhu, Elena Xoplaki, Fahu Chen, Jianping Duan, Quansheng Ge, Zhixin Hao, Martin Ivanov, Lea Schneider, Stefanie Talento, Jianglin Wang, Bao Yang, Jürg Luterbacher
East Asia has experienced strong warming since the 1960s accompanied by an increased frequency of heat waves and shrinking glaciers over the Tibetan Plateau and the Tien Shan. Here, we place the recent warmth in a long-term perspective by presenting a new spatially resolved warm-season (May-September) temperature reconstruction for the period 1-2000 CE using 59 multiproxy records from a wide range of East Asian regions. Our Bayesian Hierarchical Model (BHM) based reconstructions generally agree with earlier shorter regional temperature reconstructions but are more stable due to additional temperature sensitive proxies...
May 16, 2018: Scientific Reports
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