نتایج جستجو برای: pore blocking model

تعداد نتایج: 2178899  

Journal: :The Journal of biological chemistry 2001
C M Lopes N Zilberberg S A Goldstein

KCNK subunits have two pore-forming P domains and four predicted transmembrane segments. To assess the number of subunits in each pore, we studied external proton block of Kcnk3, a subunit prominent in rodent heart and brain. Consistent with a pore-blocking mechanism, inhibition was dependent on voltage, potassium concentration, and a histidine in the first P domain (P1H). Thus, at pH 6.8 with ...

Amir Naser Haghlesan, Esmail Fatehifar Reza Alizadeh,

Ethylbenzene (EB) dehydrogenation to styrene (SM) on an industrial scale is generally performed using classic and SMART (Styrene Monomer Advanced Reheat Technology) technologies. In the current study, spent catalysts structural changes through classic and SMART technologies were investigated and compared with the fresh catalyst. For this purpose, XRF, XRD, SEM-EDX, FT-IR, BET and crushing s...

Journal: :acta medica iranica 0
atabak najafi department of anesthesiology and critical care medicine, sina hospital, tehran university of medical sciences, tehran, iran. eiman rahimi department of anesthesiology and critical care medicine, sina hospital, tehran university of medical sciences, tehran, iran. reza shariat moharari department of anesthesiology and critical care medicine, sina hospital, tehran university of medical sciences, tehran, iran. zahid hussain khan department of anesthesiology and critical care medicine, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

to compare intubating conditions and hemodynamic changes between bonfils intubation fiberscope and macintosh laryngoscopy without administering neuromuscular blocking drugs (nmbds). methods: in this randomized controlled trial,80 male and female patients, scheduled for elective surgery, aged 15 to 60 years, asa class ii or i, non-obese, non smokers, without anticipated difficult intubation; wer...

Journal: :Biophysical journal 2004
Gennady V Miloshevsky Peter C Jordan

The kinetic Monte Carlo reaction-path-following technique is applied to determine the lowest-energy water pathway and the coordinating amino acids in bAQP1 and GlpF channels, both treated as rigid. In bAQP1, water molecules pass through the pore between the asparagine-proline-alanine (NPA) and selectivity filter (SF) sites one at a time. The water chain is interrupted at the SF where one water ...

Journal: :Geographical Review of Japan 1926

ژورنال: مهندسی دریا 2014

When studying the structural response of rubble mound breakwaters to wave loading, the knowledge of water surface fluctuations, pore pressure variations and related wave attenuation inside the porous structure is important since the pore pressures affect most responses, such as wave run-up, wave overtopping, reflections, transmission and the hydraulic and geotechnical stability of the breakwate...

2009
Niloufar Shafiei

We present new non-blocking array-based shared stack and queue implementations. We sketch proofs of correctness and amortized time analyses for the algorithms. To the best of our knowledge, our stack algorithm is the first practical array-based one and it is the first time that bounded counter values are employed to implement a shared stack and queue. We verify the correctness of our algorithms...

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