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PubMed Journals Articles About "Budget Priced Chillers Constant Cooling" RSS

09:47 EST 16th December 2018 | BioPortfolio

Budget Priced Chillers Constant Cooling PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Budget Priced Chillers Constant Cooling articles that have been published worldwide.

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Showing "Budget Priced Chillers Constant Cooling" PubMed Articles 1–25 of 1,900+

Calcium signaling-linked CBF/DREB1 gene expression was induced depending on the temperature fluctuation in the field: Views from natural condition of cold acclimation.

Environmental adaptability is essential for plant survival. Though it is well known that a simple cooling or cold shock leads to Ca2+ signals, direct evidence has not been provided that plants use Ca2+ signals as a second messenger in the cold acclimation (CA) process in the field. By developing a technique to analyze Ca2+ signals using confocal cryomicroscopy, we investigated Ca2+ signals under several temperature conditions by combining start temperature, cooling rate, and cooling time duration. In both r...


Evaluation of cooling and freezing systems of bovine semen.

Semen cryopreservation comprises different steps, among them are the cooling and freezing rates which significantly influence the quality of thawed sperm. Different systems with variable freezing rates are used for freezing bull semen in the field, with a consequence of variable success rates. The objective of this study was to compare different systems for freezing bull semen in the field. Five cooling methods of semen and two methods for the subsequent freezing phase (5 × 2 factorial scheme) were use...

Development of swelling following orthognathic surgery at various cooling temperatures by means of hilotherapy-a clinical, prospective, monocentric, single-blinded, randomised study.

An alternative cooling method in oral and maxillofacial surgery is post-operative cooling with hilotherapy. It has not yet been clarified how the development of pain and swelling progresses post-operatively at different cooling temperatures. The aim of this study was the post-operative comparison of cooling temperatures of 18 °C and 22 °C. The parameters of this trial were swelling and the post-operative development of pain levels. In addition, the need for analgesics and patient satisfaction were docum...


Budget impact of adding lesinurad for second-line treatment of gout: a US health plan perspective.

Estimate budget impact of adopting lesinurad as add-on to allopurinol for urate-lowering therapy in gout.

Evaluating the crystallization of lactose at different cooling rates from milk and whey permeates in terms of crystal yield and purity.

The cooling rate of supersaturated lactose solution is one of the important parameters determining the yield and size distribution of lactose crystals. The influence of increasing cooling rate on lactose crystallization and quality of lactose crystals was evaluated in concentrated solutions prepared from deproteinized whey powder (DPW) and milk permeate powder (MPP). Concentrated permeates (DPW and MPP) with 60% (wt/wt) total solids were prepared by reconstituting permeate powders in water at 80°C for 2 h ...

A radiative forcing analysis of tropical peatlands before and after their conversion to agricultural plantations.

The tropical peat swamp forests of Southeast Asia are being rapidly converted to agricultural plantations of oil palm and Acacia creating a significant global "hot-spot" for CO emissions. However, the effect of this major perturbation has yet to be quantified in terms of global warming potential (GWP) and the Earth's radiative budget. We used a GWP analysis and an impulse-response model of radiative forcing to quantify the climate forcing of this shift from a long-term carbon sink to a net source of greenho...

Quantifying Polaron Formation and Charge Carrier Cooling in Lead-Iodide Perovskites.

Notwithstanding the success of lead-halide perovskites in emerging solar energy conversion technologies, many of the fundamental photophysical phenomena in this material remain debated. Here, the initial steps following photogeneration of free charge carriers in lead-iodide perovskites are studied, and timescales of charge carrier cooling and polaron formation, as a function of temperature and charge carrier excess energy, are quantified. It is found, using terahertz time-domain spectroscopy (THz-TDS), that...

27.5  W/m collection efficiency solar laser using a diffuse scattering cooling liquid.

We report a solar pumped solid state laser using a 20 mm long, 3 mm diameter neodymium-doped yttrium aluminum garnet laser rod. This rod was placed in a liquid cooling chamber using a water-white-emulsion-paint mix. This mix provides cooling for the laser crystal and also doubles as a diffuse light scattering liquid. This enhances sunlight scattering and leads to a greater absorption in the laser rod. We numerically model the solar absorption in the laser rod using a ray-tracing model and predict a 2.6 ti...

Advances in pre-hospital recognition and cooling treatment of exertional heat stroke.

Heat stroke (HS) is a life-threatening illness characterized by an altered level of consciousness with an elevated core body temperature 40 centigrade, which may be further classified as exertional heat stroke (EHS) or classical heat stroke (CHS) according to the etiology of the condition. In recent years, the morbidity of EHS increases year by year. The severity and clinical outcome for an EHS casualty have a strong correlation with the area under the time and temperature curve for heat exposure. The early...

Does Gender Affect Rectal Temperature Cooling Rates?: A Critically-Appraised Topic.

Clinical Scenario: Exertional heat stroke (EHS) is a medical emergency characterized by body core temperatures >40.5°C and central nervous system dysfunction. An EHS diagnosis should be immediately followed by cold-water immersion (CWI). Ideally, EHS victims cool at a rate >0.15°C/min until temperature reaches 38.9°C. While generally accepted, these EHS treatment recommendations often stem from research which only examined males. Since gender differences exist in anthropomorphics (e.g., body surface area...

TSV-integrated thermoelectric cooling by holey silicon for hot spot thermal management.

The trends toward higher power, higher frequency, and smaller scale electronics are making heat dissipation ever more challenging. Passive thermal management based on high thermal conductivity materials or through-silicon vias (TSVs) may not provide sufficient cooling for hot spots reaching 1 kW cm, and active thermal management by thermoelectric cooling (TEC) may require large power consumption or suffer from a large off-state thermal resistance of thermoelectric materials. Here we address these issues by ...

Optical Cooling of Magnons.

Inelastic scattering of light by spin waves generates an energy flow between the light and magnetization fields, a process that can be enhanced and controlled by concentrating the light in magneto-optical resonators. Here, we model the cooling of a sphere made of a magnetic insulator, such as yttrium iron garnet, using a monochromatic laser source. When the magnon lifetimes are much larger than the optical ones, we can treat the latter as a Markovian bath for magnons. The steady-state magnons are canonicall...

Spectrally Selective Nanocomposite Textile for Outdoor Personal Cooling.

Outdoor heat stress poses a serious public health threat and curtails industrial labor supply and productivity, thus adversely impacting the wellness and economy of the entire society. With climate change, there will be more intense and frequent heat waves that further present a grand challenge for sustainability. However, an efficient and economical method that can provide localized outdoor cooling of the human body without intensive energy input is lacking. Here, a novel spectrally selective nanocomposite...

Predator-prey equations with constant harvesting and planting.

We propose Lotka-Volterra type predator-prey equations which include small constant terms. Depending on its sign, the constant may model various things. To see the effect of the constants clearly we drop all other functional responses except the ones in the original Lotka-Volterra equations. We add a small negative constant for the harvesting or the Allee effect. A positive constant is added to model the planting or external influx. We find the predator-prey equations with constant terms produce most of dyn...

Effects of solidification cooling rate on the corrosion resistance of a biodegradable β-TCP/Mg-Zn-Ca composite.

Biodegradable beta-tricalcium phosphate (β-TCP) particle reinforced magnesium metal matrix composites (Mg-MMC) have attracted increasing interest for application as implant materials. This investigation was conducted to study the effect of cooling rate on the microstructure and corrosion behavior of a biodegradable β-TCP/Mg-Zn-Ca composite. The composite was fabricated under a series of cooling rates using a wedge-shaped casting mold. The microstructure of the composite was examined by optical and scannin...

Therapeutic cooling is associated with better function in children with cerebral palsy due to birth asphyxia according to the national health care quality registry CPUP.

Hypothermic treatment after birth asphyxia was introduced as a recommended practice in Sweden in 2007. CPUP is a national quality register and surveillance program that encompasses the total population of children with cerebral palsy (CP) in Sweden. In an analysis of CPUP data children with CP and asphyxia treated with cooling were compared to children with CP and asphyxia who were not cooled. A lower proportion of severe motor and cognitive impairments were observed in the group that did receive the coolin...

Targeted Temperature Management: Peltier's Element-Based Focal Brain Cooling Protects Penumbra Neurons from Progressive Damage in Experimental Cerebral Ischemia.

Targeted temperature management (TTM), or therapeutic hypothermia, is one of the most potent neuroprotective approaches after ischemic and traumatic brain injuries. TTM has been applied clinically with various methods, but effective achievement and maintenance of the target temperature remain challenging. Furthermore, timing of cooling and target body and brain temperature to optimize effectiveness for neuroprotection and to minimize side effects are yet to be standardized. Focal brain cooling is a potentia...

Theoretical analysis of evaporative cooling of classic heat stroke patients.

Heat stroke is a serious health concern globally, which is associated with high mortality. Newer treatments must be designed to improve outcomes. The aim of this study is to evaluate the effect of variations in ambient temperature and wind speed on the rate of cooling in a simulated heat stroke subject using the dynamic model of Wissler. We assume that a 60-year-old 70-kg female suffers classic heat stroke after walking fully exposed to the sun for 4 h while the ambient temperature is 40 °C, relative hum...

Body Temperature, Heart Rate, and Short-Term Outcome of Cooled Infants.

Therapeutic hypothermia following neonatal encephalopathy is neuroprotective. However, approximately one in two cooled infants still die or develop permanent neurological impairments. Further understanding of variables associated with the effectiveness of cooling is important to improve the therapeutic regimen. To identify clinical factors associated with short-term outcomes of cooled infants, clinical data of 509 cooled infants registered to the Baby Cooling Registry of Japan between 2012 and 2014 were eva...

α-Adrenoceptors, but not α- or α-adrenoceptors, contribute to enhanced contractile response to phenylephrine in cooling conditions in the rat tail artery.

Cutaneous arteries show enhanced contraction in response to cooling, which is suggested to be mediated via α-adrenoceptors. We have previously shown that α-adrenoceptors are also involved in the enhanced contraction in cooling conditions. In the present study, we aimed to identify the α-adrenoceptor subtype involved in the response. Phenylephrine-induced contraction was enhanced by cooling to 24°C in isolated rat tail arteries but suppressed in iliac arteries and aorta. At 37°C, RS100329 (3nM), an α-a...

Neuroprotective effects of nasopharyngeal perfluorochemical cooling in a rat model of subarachnoid hemorrhage.

Subarachnoid hemorrhage (SAH) frequently results in severe morbidity, even mortality. Hypothermia is known to have neuroprotective effect in ischemic injuries. The aim of the present study was to determine whether nasopharyngeal perfluorochemical (NP-PFC) cooling could be utilized in a rat model of SAH model for neuroprotection.

Lower Extremity Cooling Reduces Ischemia-Reperfusion Injury Following Zone 3 REBOA in a Porcine Hemorrhage Model.

New strategies to mitigate ischemia during REBOA and to prolong its maximal duration are needed. We hypothesized that simple external cooling of the hind limbs would decrease ischemia-reperfusion injury following prolonged Zone 3 REBOA.

Basic versus supplementary health insurance: Access to care and the role of cost effectiveness.

In a model where patients face budget constraints that make some treatments unaffordable without health insurance, we ask which treatments should be covered by universal basic insurance and which by private voluntary insurance. We argue that next to cost effectiveness, prevalence is important if the government wants to maximize the welfare gain that it gets from its health budget. Conditions are derived under which basic insurance should cover treatments that are mainly used by high risk agents with low inc...

In silico screening of Metal-Organic Frameworks for adsorption driven heat pumps and chillers.

A computational screening of 2930 experimentally synthesized Metal-Organic Frame- works (MOFs) is carried out to find the best performing structures for adsorption driven cooling (AC) applications with methanol and ethanol as working fluids. The screening methodology consists of 4 subsequent screening steps for each adsorbate. At the end of each step the most promising MOFs for AC application are selected for further investi- gation. In the first step, the structures are selected based on physical propertie...

Photothermal heating and cooling of nanostructures.

A vast range of insulating, semiconducting, and metallic nanomaterials have been studied over the past several decades with the aim of understanding how continuous-wave or pulsed laser radiation can influence their chemical functionality and local environment. Many fascinating observations have been made during laser irradiation including, but not limited to, the superheating of solvents, mass-transport-mediated morphology evolution, photodynamic therapy, morphology dependent resonances, and a range of phas...


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