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https://www.readbyqxmd.com/read/27922886/bioengineered-renal-cell-therapy-device-for-clinical-translation
#1
Christopher J Pino, Angela J Westover, Deborah A Buffington, H David Humes
The Bioartificial Renal Epithelial Cell System (BRECS), is a cell-based device to treat acute kidney injury through renal cell therapy from an extracorporeal circuit. To enable widespread implementation of cell therapy, the BRECS was designed to be cryopreserved as a complete device, cryostored, cryoshipped to an end-use site, thawed as a complete device, and employed in a therapeutic extracorporeal hemofiltration circuit. This strategy overcomes storage and distribution issues that have been previous barriers to cell therapy...
December 2, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27920910/crystal-structure-of-tibi2
#2
Kei Watanabe, Hisanori Yamane
Black granular single crystals of monotitanium dibismuth, TiBi2, were synthesized by slow cooling of a mixture of Bi and Ti from 693 K. The title compound is isostructural with CuMg2 (ortho-rhom-bic Fddd symmetry). Ti atoms are located in square anti-prisms of Bi atoms. The network of one type of Bi atom spirals along the a-axis direction while honeycomb layers of the other type of Bi atom spreading in the ab plane inter-lace one another.
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27919923/clonality-increases-with-snow-depth-in-the-arctic-dwarf-shrub-empetrum-hermaphroditum
#3
Miriam J Bienau, R Lutz Eckstein, Annette Otte, Walter Durka
PREMISE OF THE STUDY: Vegetative reproduction and spread through clonal growth plays an important role in arctic-alpine ecosystems with short cool growing seasons. Local variation in winter snow accumulation leads to discrete habitat types that may provide divergent conditions for sexual and vegetative reproduction. Therefore, we studied variation in clonal structure of a dominant, evergreen, dwarf shrub (Empetrum nigrum s.l. with the two taxa E. nigrum L. s.s. and E. hermaphroditum Hagerup) along a snow cover gradient and compared clonal diversity and spatial genetic structure between habitats...
December 5, 2016: American Journal of Botany
https://www.readbyqxmd.com/read/27919432/comparison-of-the-backjoy-sitsmart-relief-and-spine-buddy-lt1-h-c-ergonomic-chair-supports-on-short-term-neck-and-back-pain
#4
John Ward, Jesse Coats
OBJECTIVE: The purpose of this study was to perform a needs assessment to determine whether short-term use of BackJoy SitSmart Relief and Spine Buddy LT1 H/C chair supports influences neck, upper back, and lower back pain. METHODS: Forty-eight college students (age, 27.5 ± 6.3 years; height, 1.72 ± 0.08 m; body mass, 78.7 ± 19.8 kg; time seated that day, 4.3 ± 2.8 hours; means ± SD) were recruited for this study. The Nordic Musculoskeletal Questionnaire was used to measure pain for the neck, upper back, and lower back regions...
December 2, 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27918749/correlation-of-nasal-mucosal-temperature-with-subjective-nasal-patency-in-healthy-individuals
#5
Ryan S Bailey, Kevin P Casey, Sachin S Pawar, Guilherme J M Garcia
Importance: Historically, otolaryngologists have focused on nasal resistance to airflow and minimum airspace cross-sectional area as objective measures of nasal obstruction using methods such as rhinomanometry and acoustic rhinometry. However, subjective sensation of nasal patency may be more associated with activation of cold receptors by inspired air than with respiratory effort. Objective: To investigate whether subjective nasal patency correlates with nasal mucosal temperature in healthy individuals...
December 1, 2016: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/27918652/does-short-duration-heat-exposure-at-a-matched-cardiovascular-intensity-improve-intermittent-running-performance-in-a-cool-environment
#6
Calvin P Philp, Martin Buchheit, Cecilia M Kitic, Christopher T Minson, James W Fell
PURPOSE: To investigate whether a five-day cycling training block in the heat (35°C) in Australian rules footballers was superior to exercising at the same relative intensity in cool conditions (15°C) for improving intermittent running performance in a cool environment (<18°C). METHODS: Using a parallel-group design, 12 semi-professional football players performed five days of cycling exercise [70% heart rate reserve (HRR) for 45 min (5 x 50 min sessions in total)] in a hot (HEAT, 35±1°C, 56±9% RH) or cool environment (COOL, 15±3°C, 81±10% RH)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918299/monoclinic-to-orthorhombic-phase-transition-of-the-hexamethylenetetramine-2-methylbenzoic-acid-1-2-cocrystal-with-temperature-dependent-dynamic-molecular-disorder
#7
Tze Shyang Chia, Ching Kheng Quah
As a function of temperature, the hexamethylenetetramine-2-methylbenzoic acid (1/2) cocrystal, C6H12N4·2C8H8O2, undergoes a reversible structural phase transition. The orthorhombic high-temperature phase in the space group Pccn has been studied in the temperature range between 165 and 300 K. At 164 K, a t2 phase transition to the monoclinic subgroup P21/c space group occurs; the resulting twinned low-temperature phase was investigated in the temperature range between 164 and 100 K. The domains in the pseudomerohedral twin are related by a twofold rotation corresponding to the matrix (100/0-10/00-1...
December 1, 2016: Acta Crystallographica. Section C, Structural Chemistry
https://www.readbyqxmd.com/read/27918043/thermoresponsive-structured-emulsions-based-on-the-fibrillar-self-assembly-of-natural-saponin-glycyrrhizic-acid
#8
Zhili Wan, Yingen Sun, Lulu Ma, Jian Guo, Jinmei Wang, Shouwei Yin, Xiaoquan Yang
We report the novel use of the naturally occurring saponin, glycyrrhizic acid (GA) as a structuring material to transform liquid oil into a soft-solid structured emulsion system. The GA nanofibrils from the anisotropic self-assembly of GA molecules were first used as stabilizers to fabricate olive oil-in-water emulsions using a facile one-step emulsification at high temperature. Then, the obtained emulsions were further self-organized into the emulsion gel by applying a subsequent cooling to trigger the gel network formation, which is mostly due to the enhanced noncovalent interactions among GA fibrils in the continuous phase as well as at the droplet surface...
December 5, 2016: Food & Function
https://www.readbyqxmd.com/read/27917545/measured-performance-of-filtration-and-ventilation-systems-for-fine-and-ultrafine-particles-and-ozone-in-an-unoccupied-modern-california-house
#9
Brett C Singer, William W Delp, Douglas R Black, Iain S Walker
This study evaluated nine ventilation and filtration systems in an unoccupied 2006 house located 250m downwind of the I-80 freeway in Sacramento, California. Systems were evaluated for reducing indoor concentrations of outdoor particles in summer and fall/winter, ozone in summer, and particles from stir-fry cooking. Air exchange rate was measured continuously. Energy use was estimated for year-round operation in California. Exhaust ventilation without enhanced filtration produced indoor PM2.5 that was 70% lower than outdoors...
December 5, 2016: Indoor Air
https://www.readbyqxmd.com/read/27917468/dry-skin-conditions-are-related-to-the-recovery-rate-of-skin-temperature-after-cold-stress-rather-than-to-blood-flow
#10
Yasuko Yoshida-Amano, Tomoko Nomura, Yoshinori Sugiyama, Kayoko Iwata, Yuko Higaki, Masanori Tanahashi
BACKGROUND: Cutaneous blood flow plays an important role in the thermoregulation, oxygen supply, and nutritional support necessary to maintain the skin. However, there is little evidence for a link between blood flow and skin physiology. Therefore, we conducted surveys of healthy volunteers to determine the relationship(s) between dry skin properties and cutaneous vascular function. METHODS: Water content of the stratum corneum, transepidermal water loss, and visual dryness score were investigated as dry skin parameters...
December 4, 2016: International Journal of Dermatology
https://www.readbyqxmd.com/read/27917439/supracondylar-humerus-fractures-in-children-the-effect-of-weather-conditions-on-their-risk
#11
Juha-Jaakko Sinikumpu, Tytti Pokka, Hanna Hyvönen, Reija Ruuhela, Willy Serlo
INTRODUCTION: Supracondylar humerus fractures are the most common fractures of the elbow in children. Many environmental factors such as weather conditions may affect the risk of these fractures. The purpose of the study was to analyze the effect of weather conditions (temperature, rainfall, wind) on fracture risk in children <16 years of age during the extended summer time period with the absence of snow cover. MATERIALS AND METHODS: All children <16 years of age with an outdoor supracondylar humerus fracture between May 1 and September 30 in a defined geographical area during the decade of 2000-2009 were included...
December 5, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27917410/time-lapse-in-situ-imaging-of-ice-crystal-growth-using-confocal-microscopy
#12
Moreno Marcellini, Cecile Noirjean, Dmytro Dedovets, Juliette Maria, Sylvain Deville
Ice crystals nucleate and grow when a water solution is cooled below its freezing point. The growth velocities and morphologies of the ice crystals depend on many parameters, such as the temperature of ice growth, the melting temperature, and the interactions of solutes with the growing crystals. Three types of morphologies may appear: dendritic, cellular (or fingerlike), or the faceted equilibrium form. Understanding and controlling which type of morphology is formed is essential in several domains, from biology to geophysics and materials science...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27917356/response-and-recovery-measures-for-two-floods-in-north-china-during-the-nineteenth-century-a-comparative-study
#13
Yu Ye, Xiuqi Fang, Fan Li
BACKGROUND: The process of human response to natural disasters and its mechanisms as revealed by historical events still has a broad significance for modern society. This study analyzed the disaster relief process and the social response for two floods in China: the Yongding River flood in 1801 and the Yellow River flood in 1841. These two floods reflect the different response processes between the national and provincial capitals during a stage of climate cooling and social transition in the Qing dynasty...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27917319/the-effectiveness-of-cooling-conditions-on-temperature-of-canine-edta-whole-blood-samples
#14
Karen M Tobias, Leslie Serrano, Xiaocun Sun, Bente Flatland
BACKGROUND: Preanalytic factors such as time and temperature can have significant effects on laboratory test results. For example, ammonium concentration will increase 31% in blood samples stored at room temperature for 30 min before centrifugation. To reduce preanalytic error, blood samples may be placed in precooled tubes and chilled on ice or in ice water baths; however, the effectiveness of these modalities in cooling blood samples has not been formally evaluated. The purpose of this study was to evaluate the effectiveness of various cooling modalities on reducing temperature of EDTA whole blood samples...
2016: PeerJ
https://www.readbyqxmd.com/read/27916562/cryobiological-parameters-of-multipotent-stromal-cells-obtained-from-different-sources
#15
L Lauterboeck, W F Wolkers, B Glasmacher
Stem cells are important for regenerative medicine mainly due to their multilineage differentiation capacity. However, the cells rapidly loose this capability during culturing. Cryopreservation preserves the differentiation potential of the cells, until they are needed. In this study, specific cell properties of multipotent stromal cells (MSCs), from the common marmoset monkey Callithrix jacchus MSCs derived from amnion (Am) and bone marrow (Bm) were studied in order to predict optimal cooling rates for cryopreservation...
December 1, 2016: Cryobiology
https://www.readbyqxmd.com/read/27916042/-diagnosis-and-treatment-of-recurrent-hemarthrosis-after-total-knee-arthroplasty
#16
Y Li, H Tian, K Zhang
Recurrent hemarthrosis is a relatively rare complication after total knee arthroplasty with the incidence estimated between 0.3% and 1.6%. There are various causes of this complication which can be broadly divided into general and local reasons. If the blood coagulation function was normal, the most common reason of hemarthrosis is the impingement of proliferative synovium between the articulating components of the knee prosthesis. However, some causes are not well understood which make diagnosis and treatment more difficult...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27913267/a-comparison-between-intravascular-and-traditional-cooling-for-inducing-and-maintaining-temperature-control-in-patients-following-cardiac-arrest-traditional-or-modern-therapeutic-hypothermia-after-cardiac-arrest
#17
Jeremy Rosman, Maxime Hentzien, Moustapha Dramé, Vincent Roussel, Bernard Just, Damien Jolly, Philippe Mateu
: Therapeutic temperature control has been widely used during the last decade to improve clinical outcomes. We conducted this retrospective observational study to compare traditional cooling with endovascular cooling in post-cardiac arrest comatose survivors and to compare results with current guidelines. PATIENTS AND METHODS: All patients admitted to our ICU for cardiac arrest and for whom temperature control was performed were included. Traditional cooling included cold infusions, ice packs and cooling blankets...
November 29, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27912949/seasonal-variations-of-prescriptions-for-the-major-syndrome-types-and-manifestations-of-upper-respiratory-tract-infection-in-tradition-chinese-medicine
#18
Yuh-Hsiang Yeh, Yiing-Jenq Chou, Nicole Huang, Christy Pu, Pesus Chou
OBJECTIVE: The aim of this study is to investigate the seasonal variations of prescriptions for the three most common syndrome types and the three major manifestations of upper respiratory infections (URIs) according to the theories of traditional Chinese medicine (TCM). DESIGN: This is a cross-sectional study. We examined a random sample comprising 1,000,000 beneficiaries from the National Health Insurance program in 2005. Primary diagnoses including International Classification of Diseases, Ninth Revision, Clinical Modification Codes 460-465 and 487 were regarded as URIs, for which 160,357 prescriptions of Chinese herbal medicine were analyzed...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27911880/study-of-the-sign-change-of-exchange-bias-across-the-spin-reorientation-transition-in-co-cr1-x-fe-x-2o4-x%C3%A2-%C3%A2-%C3%A2-%C3%A2-0-00-0-125
#19
R Padam, Swati Pandya, S Ravi, S Ramakrishnan, A K Nigam, A K Grover, D Pal
We present the evolution of novel phenomena of magnetic compensation effect, exchange bias (EB) effect and the field induced anomalies in '[Formula: see text]' substituted multiferroic compound [Formula: see text]. A few percent of '[Formula: see text]' substitution for '[Formula: see text]' in [Formula: see text] results in the reversal of field cooled magnetization under low applied fields below compensation temperature T comp. Further, increase in the field leads to the spin reorientation transition (T SR)...
December 2, 2016: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/27911824/high-thermoelectricpower-factor-in-graphene-hbn-devices
#20
Junxi Duan, Xiaoming Wang, Xinyuan Lai, Guohong Li, Kenji Watanabe, Takashi Taniguchi, Mona Zebarjadi, Eva Y Andrei
Fast and controllable cooling at nanoscales requires a combination of highly efficient passive cooling and active cooling. Although passive cooling in graphene-based devices is quite effective due to graphene's extraordinary heat conduction, active cooling has not been considered feasible due to graphene's low thermoelectric power factor. Here, we show that the thermoelectric performance of graphene can be significantly improved by using hexagonal boron nitride (hBN) substrates instead of SiO2 We find the room temperature efficiency of active cooling in the device, as gauged by the power factor times temperature, reaches values as high as 10...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
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