COMSOL simulation and experimental validation of promoter geometries facilitating citric acid transport in electrodialysis

2019 ◽  
Vol 142 ◽  
pp. 386-411 ◽  
Author(s):  
Anusha Chandra ◽  
Darshak Pathiwada ◽  
Sujay Chattopadhyay
Keyword(s):  
Citric Acid ◽  
Experimental Validation ◽  
Acid Transport ◽  
Comsol Simulation

Experimental Validation of a Speciation Model Applied to Organic-Rich Groundwaters

1994 ◽  
Vol 353 ◽  
Author(s):  
M. B. Crawford ◽  
J. J. W. Higgo ◽  
J. Davis
Keyword(s):  
Citric Acid ◽  
Experimental Validation ◽  
Hplc Method ◽  
Electrostatic Model ◽  
Speciation Model ◽  
Natural Organic Compounds ◽  
Anionic Ligands ◽  
Geochemical Speciation ◽  
Discrete Site ◽  
Inorganic Speciation

AbstractNatural organic compounds can play an important role in the transport of radionuclides through the geosphere, but the inclusion of polyelectrolytic fulvic and humic acids into geochemical speciation codes is not straightforward. Schubert ion-exchange experiments have been used to parameterise an equilibrium-based, discrete site-electrostatic model, Model V, which is concerned with predicting trace metal-humic interactions in solution. However, before such a model can be applied to natural groundwaters, its ability to deal with competition between trace cations and anionic ligands has to be tested.PHREEQEV, which incorporates Model V with the inorganic speciation code PHREEQE, has been used to guide experiments based on a modified Hummel-Dreyer method. To improve speed and precision, these experiments used a HPLC method rather than Sephadex gel, and measured the effect of Ca on Co and Ni binding to fulvic acid. The results were compared with the predictions made by PHREEQEV. Although the system was further complicated by the need to add citric acid to prevent binding of metals to the HPLC column, predictions at pH 5 were good for both metals. At pH 7, the Co binding results were not well predicted and the reasons for this are still unclear. Comparisons between the Schubert and Hummel-Dreyer-type experiments show that the two methods are compatible.

Placental Amino Acid transport is decreased after exposure to hypoxia

2008 ◽  
Vol 68 (S 01) ◽  
Author(s):  
FM von Versen-Höynck ◽  
A Rajakumar ◽  
JM Roberts ◽  
W Rath ◽  
RW Powers
Keyword(s):  
Amino Acid ◽  
Amino Acid Transport ◽  
Acid Transport

Experimental validation of the predicted TGR5 binding mode model

2015 ◽  
Vol 53 (01) ◽  
Author(s):  
L Spomer ◽  
CGW Gertzen ◽  
D Häussinger ◽  
H Gohlke ◽  
V Keitel
Keyword(s):  
Experimental Validation ◽  
Binding Mode

Placental uric acid transport system and its impact on fetal development

2018 ◽  
Author(s):  
B Lüscher ◽  
D Surbek ◽  
P Schneider ◽  
M Baumann
Keyword(s):  
Uric Acid ◽  
Transport System ◽  
Fetal Development ◽  
Acid Transport

Intestinal deletion of fatty acid transport protein 4 in mice increases blood chylomicrons

2020 ◽  
Author(s):  
W Chamulitrat ◽  
J Seeßle ◽  
B Javaheri-Haghighi ◽  
S Döring ◽  
X Zhu ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Transport Protein ◽  
Fatty Acid Transport ◽  
Acid Transport ◽  
Fatty Acid Transport Protein
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