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https://www.readbyqxmd.com/read/28231696/performance-differences-of-rhode-island-red-bashang-long-tail-chicken-and-their-reciprocal-crossbreds-under-natural-cold-stress
#1
Shanshan Xie, Xukai Yang, Yahui Gao, Wenjie Jiao, Xinghua Li, Yajie Li, Zhonghua Ning
Objective: The Bashang Long-tail chicken (BS), an indigenous Chinese breed, is considered cold tolerant. We selected BS, the Rhode Island Red (RIR), and their reciprocal crossbreds for the present study. The objectives were: 1) to validate whether BS is cold tolerant and whether egg production and cold tolerance of crossbreds could be improved; and 2) to determine the physiological characteristics that underlie cold tolerance and favorable egg production performance in cold environments...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231604/variations-in-body-morphology-explain-gender-differences-in-thermoeffector-function-during-compensable-heat-stress
#2
Sean R Notley, Joonhee Park, Kyoko Tagami, Norikazu Ohnishi, Nigel A S Taylor
Gender is sometimes thought to independently modulate cutaneous vasomotor and sudomotor function during heat exposure. Nevertheless, it was hypothesised that, when assessed during compensable exercise that evoked equal heat-loss requirements across participants, gender differences in those thermoeffectors would be explained by variations in the ratio between body surface area and mass (specific surface area). To evaluate that possibility, vasomotor and sudomotor functions were assessed in sixty individuals (36 males, 24 females) with widely varying (overlapping) specific surface areas (range: 232...
February 23, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28231259/impact-of-seasonality-and-air-pollutants-on-carotid-femoral-pulse-wave-velocity-and-wave-reflection-in-hypertensive-patients
#3
Marina Di Pilla, Rosa Maria Bruno, Francesco Stea, Luciano Massetti, Stefano Taddei, Lorenzo Ghiadoni, Pietro Amedeo Modesti
OBJECTIVE: The effects of seasonality on blood pressure (BP) and cardiovascular (CV) events are well established, while the influence of seasonality and other environmental factors on arterial stiffness and wave reflection has never been analyzed. This study evaluated whether seasonality (daily number of hours of light) and acute variations in outdoor temperature and air pollutants may affect carotid-femoral pulse wave velocity (PWV) and pressure augmentation. DESIGN AND METHOD: 731 hypertensive patients (30-88 years, 417 treated) were enrolled in a cross-sectional study during a 5-year period...
2017: PloS One
https://www.readbyqxmd.com/read/28231256/advancing-the-match-mismatch-framework-for-large-herbivores-in-the-arctic-evaluating-the-evidence-for-a-trophic-mismatch-in-caribou
#4
David Gustine, Perry Barboza, Layne Adams, Brad Griffith, Raymond Cameron, Kenneth Whitten
Climate-induced shifts in plant phenology may adversely affect animals that cannot or do not shift the timing of their reproductive cycle. The realized effect of potential trophic "mismatches" between a consumer and its food varies with the degree to which species rely on dietary income and stored capital. Large Arctic herbivores rely heavily on maternal capital to reproduce and give birth near the onset of the growing season but are they vulnerable to trophic mismatch? We evaluated the long-term changes in the temperatures and characteristics of the growing seasons (1970-2013), and compared growing conditions and dynamics of forage quality for caribou at peak parturition, peak lactation, and peak forage biomass, and plant senescence between two distinct time periods over 36 years (1977 and 2011-13)...
2017: PloS One
https://www.readbyqxmd.com/read/28231148/potential-use-of-gamma-irradiated-ethnic-ready-to-eat-foods-to-improve-the-nutritional-status-of-landslide-victims
#5
REVIEW
Zubaidah Irawati Koenari, Carmen M Siagian, Bona Simanungkalit, Asti Nilatany, Indra Mustika Pratama, Deudeu Lasmawati, Cecep M Nurcahya
The safety and high quality of ethnic ready-to-eat foods as a source of nourishment and food supplies chain to the remote areas become particularly important. Consuming healthy and balanced nutritional foods means eating better quality foods in proper quantities. Such foods can be developed through a preservation technique by using ionizing radiation. Although implementation of the technology for certain foodstuffs has been implemented in some countries, application of the process to a complete set of meals for selected target groups is still very limited...
July 26, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231032/effects-of-live-trapping-and-isoflurane-anesthesia-on-free-ranging-american-martens-martes-americana
#6
Maria C Spriggs, Lisa I Muller, Paul Keenlance, Robert L Sanders, Jill C Witt, Debra L Miller
Seventy-two free-ranging American martens ( Martes americana ) in Michigan were immobilized using isoflurane from 2011 to 2015. In total, 129 anesthetic procedures were performed with no mortalities. Hypothermia and hyperthermia were the most common anesthetic complications, and the mean rectal temperatures were significantly higher during summer than in winter. Dental abnormalities were common; the majority of abnormal findings were broken or discolored teeth attributed to previous dental trauma and were not trap-induced...
February 23, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28230904/effects-of-re-heating-tissue-samples-to-core-body-temperature-on-high-velocity-ballistic-projectile-tissue-interactions
#7
Caitlin Humphrey, Maciej Henneberg, Christian Wachsberger, Nicholas Maiden, Jaliya Kumaratilake
Damage produced by high-speed projectiles on organic tissue will depend on the physical properties of the tissues. Conditioning organic tissue samples to human core body temperature (37°C) prior to conducting ballistic experiments enables their behavior to closely mimic that of living tissues. To minimize autolytic changes after death, the tissues are refrigerated soon after their removal from the body and re-heated to 37°C prior to testing. This research investigates whether heating 50-mm-cube samples of porcine liver, kidney, and heart to 37°C for varying durations (maximum 7 h) can affect the penetration response of a high-speed, steel sphere projectile...
February 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28230190/modulation-of-yellow-expression-contributes-to-thermal-plasticity-of-female-abdominal-pigmentation-in-drosophila-melanogaster
#8
Jean-Michel Gibert, Emmanuèle Mouchel-Vielh, Frédérique Peronnet
Phenotypic plasticity describes the ability of a given genotype to produce distinct phenotypes in different environments. We use the temperature sensitivity of abdominal pigmentation in Drosophila melanogaster females as a model to analyse the effect of the environment on development. We reported previously that thermal plasticity of abdominal pigmentation in females involves the pigmentation gene tan (t). However, the expression of the pigmentation gene yellow (y) was also modulated by temperature in the abdominal epidermis of pharate females...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229436/purification-and-characterization-of-a-novel-ubiquitin-like-antitumour-protein-with-hemagglutinating-and-deoxyribonuclease-activities-from-the-edible-mushroom-ramaria-botrytis
#9
Rong Zhou, Ya-Jie Han, Min-Hui Zhang, Ke-Ren Zhang, Tzi Bun Ng, Fang Liu
A novel ubiquitin-like antitumour protein (RBUP) was isolated from fruiting bodies of the edible mushroom Ramaria botrytis. The protein was isolated with a purification protocol involving ion exchange chromatography on DEAE-Sepharose fast flow and gel filtration on Sephadex G-75. SDS-PAGE, Native-PAGE and ultracentrifugation analysis disclosed that RBUP was a monomeric protein with a molecular weight of 18.5 kDa. ESI-MS/MS demonstrated that it shared 69% amino acid sequence similarity with Coprinellus congregates ubiquitin (gi|136667)...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28229381/adsorption-of-ammonium-in-aqueous-solutions-by-pine-sawdust-and-wheat-straw-biochars
#10
Hye In Yang, Kangyi Lou, Anushka Upamali Rajapaksha, Yong Sik Ok, Anthony O Anyia, Scott X Chang
Ammonium (NH4(+)) is a common form of reactive nitrogen in wastewater, and its discharge to water bodies can lead to eutrophication. This study was conducted to understand NH4(+) adsorption mechanisms of pine sawdust and wheat straw biochars in aqueous solutions and the factors affecting NH4(+) removal. Biochars were produced by pyrolysing pine sawdust at 300 °C (PS300) and 550 °C (PS550) and wheat straw at 550 °C (WS550). Pseudo-second-order and Redlich-Peterson models best fitted the adsorption data...
February 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28228474/changes-in-ambient-temperature-elicit-divergent-control-of-metabolic-and-cardiovascular-actions-by-leptin
#11
Jussara M do Carmo, Alexandre A da Silva, Damian G Romero, John E Hall
Interactions of hypothalamic signaling pathways that control body temperature (BT), blood pressure (BP), and energy balance are poorly understood. We investigated whether the chronic BP and metabolic actions of leptin are differentially modulated by changes in ambient temperature (TA ). Mean arterial pressure (MAP), heart rate (HR), BT, motor activity (MA), and oxygen consumption (Vo2) were measured 24 h/d at normal laboratory TA (23°C), at thermoneutral zone (TNZ, 30°C) for mice or during cold exposure (15°C) in male wild-type mice...
February 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28228168/luminescence-spectroscopical-properties-of-plagioclase-particles-from-the-hayabusa-sample-return-mission-an-implication-for-study-of-space-weathering-processes-in-the-asteroid-itokawa
#12
Arnold Gucsik, Tomoki Nakamura, Cornelia Jäger, Kiyotaka Ninagawa, Hirotsugu Nishido, Masahiro Kayama, Akira Tsuchiyama, Ulrich Ott, Ákos Kereszturi
We report a systematic spectroscopical investigation of three plagioclase particles (RB-QD04-0022, RA-QD02-0025-01, and RA-QD02-0025-02) returned by the Hayabusa spacecraft from the asteroid Itokawa, by means of scanning electron microscopy, cathodoluminescence microscopy/spectroscopy, and micro-Raman spectroscopy. The cathodoluminescence properties are used to evaluate the crystallization effects and the degree of space weathering processes, especially the shock-wave history of Itokawa. They provide new insights regarding spectral changes of asteroidal bodies due to space weathering processes...
February 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28228153/assessment-of-axillary-temperature-for-the-evaluation-of-normal-body-temperature-of-healthy-young-adults-at-rest-in-a-thermoneutral-environment
#13
Shuri Marui, Ayaka Misawa, Yuki Tanaka, Kei Nagashima
BACKGROUND: The aims of this study were to (1) evaluate whether recently introduced methods of measuring axillary temperature are reliable, (2) examine if individuals know their baseline body temperature based on an actual measurement, and (3) assess the factors affecting axillary temperature and reevaluate the meaning of the axillary temperature. METHODS: Subjects were healthy young men and women (n = 76 and n = 65, respectively). Three measurements were obtained: (1) axillary temperature using a digital thermometer in a predictive mode requiring 10 s (T ax-10 s), (2) axillary temperature using a digital thermometer in a standard mode requiring 10 min (T ax-10 min), and (3) tympanic membrane temperature continuously measured by infrared thermometry (T ty)...
February 22, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28227920/in-vitro-evaluation-of-the-long-term-stability-of-pedot-pss-coated-microelectrodes-for-chronic-recording-and-electrical-stimulation-of-neurons
#14
A Schander, T Tesmann, S Strokov, H Stemmann, A K Kreiter, W Lang, A Schander, T Tesmann, S Strokov, H Stemmann, A K Kreiter, W Lang, A K Kreiter, W Lang, A Schander, H Stemmann, S Strokov
For the chronic application of neural prostheses long-term stable microelectrodes for electrical stimulation are essential. In recent years many developments were done to investigate different appropriate materials for these electrodes. One of these materials is the electrical conductive polymer PEDOT, which has low impedance and high charge injection capacity. However, the long-term stability of this polymer is still unclear. Thus this paper reports on the in-vitro evaluation of the long-term stability of PEDOT coated gold microelectrodes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227568/system-to-induce-and-measure-embodiment-of-an-artificial-hand-with-programmable-convergent-visual-and-tactile-stimuli
#15
Heather L Benz, Talia R Sieff, Mahsa Alborz, Kimberly Kontson, Elizabeth Kilpatrick, Eugene F Civillico, Heather L Benz, Talia R Sieff, Mahsa Alborz, Kimberly Kontson, Elizabeth Kilpatrick, Eugene F Civillico, Kimberly Kontson, Heather L Benz, Talia R Sieff, Elizabeth Kilpatrick, Eugene F Civillico, Mahsa Alborz
The sense of prosthesis embodiment, or the feeling that the device has been incorporated into a user's body image, may be enhanced by emerging technology such as invasive electrical stimulation for sensory feedback. In turn, prosthesis embodiment may be linked to increased prosthesis use and improved functional outcomes. We describe the development of a tool to assay artificial hand embodiment in a quantitative way in people with intact limbs, and characterize its operation. The system delivers temporally coordinated visual and tactile stimuli at a programmable latency while recording limb temperature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227438/poly-n-isopropylacrylamide-hydrogel-based-shape-adjustable-polyimide-films-triggered-by-near-human-body-temperature
#16
Huanqing Cui, Xuemin Du, Juan Wang, Tianhong Tang, Tianzhun Wu, Huanqing Cui, Xuemin Du, Juan Wang, Tianhong Tang, Tianzhun Wu, Huanqing Cui, Tianzhun Wu, Xuemin Du, Tianhong Tang, Juan Wang
Hydrogel-based shape-adjustable films were successfully fabricated via grafting poly(N-isopropylacrylamide) (PNIPAM) onto one side of polyimide (PI) films. The prepared PI-g-PNIPAM films exhibited rapid, reversible, and repeatable bending/unbending property by heating to near-human-body temperature (37 °C) or cooling to 25 °C. The excellent property of PI-g-PNIPAM films resulted from a lower critical solution temperature (LCST) of PNIPAM at about 32 °C. Varying the thickness of PNIPAM hydrogel layer regulated the thermo-responsive shape bending degree and response speed of PI-g-PNIPAM films...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226991/noninvasive-health-condition-monitoring-device-for-workers-at-high-altitudes-conditions
#17
Pablo Aqueveque, Cristopher Gutierrez, Francisco Saavedra, Esteban J Pino, Pablo Aqueveque, Cristopher Gutierrez, Francisco Saavedra, Esteban J Pino, Cristopher Gutierrez, Francisco Saavedra, Pablo Aqueveque, Esteban J Pino
This work presents the design and implementation of a continuous monitoring device to control the health state of workers, for instance miners, at high altitudes. The extreme ambient conditions are harmful for peoples' health; therefore a continuous control of the workers' vital signs is necessary. The developed system includes physiological variables: electrocardiogram (ECG), respiratory activity and body temperature (BT), and ambient variables: ambient temperature (AT) and relative humidity (RH). The noninvasive sensors are incorporated in a t-shirt to deliver a functional device, and maximum comfort to the users...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226934/self-folding-hydrogel-bilayer-for-enhanced-drug-loading-encapsulation-and-transport
#18
Hen-Wei Huang, Andrew J Petruska, Mahmut Selman Sakar, Maria Skoura, Franziska Ullrich, Qi Zhangm, Salvador Pane, Bradley J Nelson, Hen-Wei Huang, Andrew J Petruska, Mahmut Selman Sakar, Maria Skoura, Franziska Ullrich, Qi Zhangm, Salvador Pane, Bradley J Nelson, Hen-Wei Huang, Franziska Ullrich, Bradley J Nelson, Maria Skoura, Mahmut Selman Sakar, Salvador Pane, Andrew J Petruska
Hydrogel-based robotic microdevices are currently investigated for minimally invasive medical procedures. Hydrogels are especially suited to targeted drug delivery applications as they are able to carry several times more drug solution than its dry weight. A major drawback of these system is that drug release takes place before reaching the targeted area in the body. We introduce a strategy based on a self-folding bilayer to prevent release during transportation without hindering the drug loading efficiency of the hydrogel...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226901/investigations-on-different-epoxies-for-electrical-insulation-of-microflex-structures
#19
P Cvancara, S Lauser, L Rudmann, T Stieglitz, P Cvancara, S Lauser, L Rudmann, T Stieglitz, P Cvancara, S Lauser, T Stieglitz, L Rudmann
The microflex interconnection (MFI) technique is often used to connect electrically and mechanically thin film ribbons or electrodes with a solid substrate like screen printed ceramics. For stabilization reasons epoxy is used to fix the MFI structure. As epoxy tends to form cracks when surrounded by water or electrolytes we are eager to find an epoxy which provides sufficient insulation between the single channels of the MFI structure also in a moist surrounding. Therefore we designed a device to investigate the insulating properties of different epoxies (Uhu Plus Endfest 300, Epo-Tek 353ND and 353ND-T) immersed in saline solution...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226895/epoxy-casting-used-as-nonhermetic-encapsulation-technique-for-implantable-electronic-devices
#20
Fabian Boeser, Benjamin G Lang, Thomas Stieglitz, Dennis T T Plachta, Fabian Boeser, Benjamin G Lang, Thomas Stieglitz, Dennis T T Plachta, Benjamin G Lang, Fabian Boeser, Thomas Stieglitz, Dennis T T Plachta
Implantable medical applications experienced a rapid growth since starting in the late 1950s with the first pacemakers. However, there are only two main packaging strategies available to protect the implanted electronics from the body environment. While hermetic packaging oftentimes seems to be more feasible, nonhermetic encapsulation can be an alternative under certain conditions. Previous studies using commercially available USB flash drives (UFD) pointed out the feasibility of using epoxy resins as encapsulant material...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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