The vasopressin-aquaporin 2 system plays a key role in urine concentration in dehydration. In contrast to the upregulation of aquaporin 2, the downregulation of the vasopressin V2 receptor in dehydration is known. We investigated the mechanisms of this downregulation in dehydration using reverse transcription-competitive polymerase chain reaction (RT-competitive PCR) and Western blot analysis. ...

The study has focused on the development of bifunctional catalytic materials for direct DME synthesis from CO2/H2. industrial Cu/ZnO/Al2O3 is used as copper based catalyst first step methanol It will be combined with hollow nano-ZSM-5 zeolites mesoporous shell acid second dehydration to DME. tested in CO2/H2 under following conditions: T = 225 °C, p 30 bar, H2/CO2 3. Under our reaction conditio...

The importance of previous dehydration on the production of hemoglobinuric nephrosis is substantiated. Hemoglobinuric nephrosis regularly occurred in rabbits 3 to 16 days following the injections of hemoglobin. Five of 15 animals died of fatal hemoglobinuric nephrosis; the combined kidney weight in these exceeded the weight of the kidneys of control rabbits and of those which survived. Addition...

CHURCHILL, T.A., and STOREY, K.B. 1994. Metabolic responses to dehydration by liver of the wood frog, Rana sylvatica. Can. J. Zool. 72: 14201425. The metabolic responses by the liver to the evaporative loss of up to 60% of total body water were quantified in spring-collected wood frogs, Rana sylvatic*~, a freeze-tolerant species. Dehydration stimulated rapid hyperglycemia, liver glucose levels ...

Ozonesonde measurements from Hong Kong and Naha are combined with satellite observations to investigate the vertical structure of ozone water vapor around tropopause during typhoon Soudelor over northwestern Pacific in 2015. The results show that height is decreased compared mean 2000–2017 western mode Asian summer monsoon anticyclone (ASMA). transport associated decreases concentration by 60% ...

Resurrection plants can tolerate extreme water loss. Substantial sugar accumulation is a phenomenon in resurrection plants during dehydration. Sugars have been identified as one important factor contributing to desiccation tolerance. Phylogenetic diversity of resurrection plants reflects the diversity of sugar metabolism in response to dehydration. Sugars, which accumulate during dehydration, h...

As one of the hydrogen carriers, ammonia has become promising candidate as a reducing agent for implementing hydrogen-based ironmaking to reduce CO2 emissions. On other hand, abundant high combined water (CW) iron ore recently been investigated raw material ironmaking. Goethite (FeOOH), main component high-CW ore, can change porous hematite (Fe2O3) by dehydration, enhancing its reactivity. This...

Acute gastroenteritis with viral infection in infants causes severe diarrhea and often results in acute renal failure due to severe dehydration. However, a viral infection, particularly rotavirus, rarely induces postrenal failure due to bilateral stones in infants. Herein, we report three cases of postrenal failure in infants due to bilateral ureteral stones induced by acute gastroenteritis wit...

Experiments were conducted to explore the behavior of Li, Rb, Nb, Sn, Cs, Ta, W during crustal melting and test anatectic origin rare metal-bearing peraluminous granites such as metal (RMGs). The experiments performed under fluid-absent conditions at 800 850 °C, 400 MPa moderately reducing fO2 (ΔFMQ = − 0.5 0.8). Starting materials cores several millimetres drilled from two natural rocks, a bio...

OBJECTIVE To investigate the effect of dehydration time on tooth colour measurement in vitro using colourimetry. METHODS Ten extracted human maxillary central incisors were used. L*a*b* values at the centre of the labial surface of each tooth were measured using a colourimeter. The first measurement was performed after removal of excess water. The second and third measurements were performed ...