نتایج جستجو برای: ionic activity coefficient

تعداد نتایج: 1334422  

Journal: :Physical chemistry chemical physics : PCCP 2012
Dario Marrocchelli Sean R Bishop Harry L Tuller Graeme W Watson Bilge Yildiz

In this work, we demonstrate the mechanism by which electronic charge localization increases the chemical expansion coefficient in two model systems, CeO(2-δ) and BaCeO(3-δ). Using Density Functional Theory calculations, we predict that this coefficient is increased by more than 70% when charge is fully localized, consistent with the observation that materials with a smaller degree of charge lo...

Journal: :The Journal of chemical physics 2013
Maximilien Levesque Vincent Sarou-Kanian Mathieu Salanne Mallory Gobet Henri Groult Catherine Bessada Paul A Madden Anne-Laure Rollet

The transport properties of molten LiF-YF3 mixtures have been studied by pulsed field gradient nuclear magnetic resonance spectroscopy, potentiometric experiments, and molecular dynamics simulations. The calculated diffusion coefficients and electric conductivities compare very well with the measurements across a wide composition range. We then extract static (radial distribution functions, coo...

Abbas Ahmadi, Ali Khalaj, Ali Rahiminejad Amir Reza Jalilian, Azadeh Paknafas Mohsen Kamalidehghan Shahzad Feizi Yousef Fazaeli

Radiolabeled porphyrins are potential tumor avid radiopharmaceuticals because of their impersonation in the human body, ability to complex various radionuclides, water solubility, low toxicity etc. in this work a radiogallium porphyrin complex has been developed. [67Ga] labeled 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin ([67Ga]-TDMPP) was prepared using freshly prepared [67Ga]GaCl3 and ...

Abbas Ahmadi, Ali Khalaj, Ali Rahiminejad Amir Reza Jalilian, Azadeh Paknafas Mohsen Kamalidehghan Shahzad Feizi Yousef Fazaeli

Radiolabeled porphyrins are potential tumor avid radiopharmaceuticals because of their impersonation in the human body, ability to complex various radionuclides, water solubility, low toxicity etc. in this work a radiogallium porphyrin complex has been developed. [67Ga] labeled 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin ([67Ga]-TDMPP) was prepared using freshly prepared [67Ga]GaCl3 and ...

Journal: :journal of the iranian chemical research 0
neelam yugandhar sreedhar electroanalytical lab, department of chemistry, s.v.university, tirupati, a.p., india puthalapattu reddy prasad electroanalytical lab, department of chemistry, s.v.university, tirupati, a.p., india

an efficient protocol for the selective oxidation of primary alcohols to aldehydes withh5io6/v2o5 in ionic liquid [bmpy][pf6] has been developed. high yields of the products, mildreaction conditions and simple experimental procedure make this protocol complementary tothe existing methods. the catalyst can be reused for several times without obvious loss of thecatalytic activity.

Journal: :Journal of animal science 2005
K R Maddock E Huff-Lonergan L J Rowe S M Lonergan

The objectives of this study were to determine the extent to which pH and ionic strength influence mu- and m-calpain activity and the inhibition of calpains by calpastatin. Calpastatin, mu-calpain, and m-calpain were purified from at-death porcine semimembranosus. Mu-calpain or m-calpain (0.45 U) were incubated with the calpain substrate Suc-Leu-Leu-Val-Tyr-7-amino-4-methyl coumarin in the pres...

1992
Sae Yong Hong Hyun Kill Shin Dong Ho Yang

In order to evaluate the influence of dilution, pH and ionic strength on the precipitation of t-PA and PAI-1 during euglobulin precipitation, we measured t-PA Ag, PAI-1 Ag and fibrinolytic activity in the euglobulin fraction made of pooled plasma from liver cirrhosis patients, under various conditions by changing pH, ionic strength and degree of dilution. The precipitation of t-PA Ag in the eug...

Journal: :Materials research proceedings 2023

Abstract. The carbon capture, use, and sequestration (CCUS) techniques are proven to be efficient at lowering the atmospheric concentration of dioxide. Notwithstanding advances in this area, there still significant restrictions dioxide (CO2) capture industry such as high capital costs, solvent evaporation losses, low absorption desorption rates. Ionic liquids (ILs) have received much interest g...

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