Qualitative and quantitative 1 H NMR spectroscopy for determination of divalent metal cation concentration in model salt solutions, food supplements, and pharmaceutical products by using EDTA as chelating agent

2020 ◽  
Vol 58 (7) ◽  
pp. 653-665 ◽  
Author(s):  
Elina Hafer ◽  
Ulrike Holzgrabe ◽  
Katharina Kraus ◽  
Kristie Adams ◽  
James M. Hook ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
Metal Cation ◽  
Chelating Agent ◽  
Pharmaceutical Products ◽  
Divalent Metal ◽  
Salt Solutions ◽  
Divalent Metal Cation ◽  
Qualitative And Quantitative ◽  
H Nmr

scholarly journals Role of the divalent metal cation in the pyruvate oxidase reaction.

1982 ◽  
Vol 257 (16) ◽  
pp. 9605-9611
Author(s):  
R Blake ◽  
T A O'Brien ◽  
R B Gennis ◽  
L P Hager
Keyword(s):  
Metal Cation ◽  
Divalent Metal ◽  
Pyruvate Oxidase ◽  
Divalent Metal Cation ◽  
Oxidase Reaction

The induction of the acrosome reaction in guinea-pig sperm by the divalent metal cation ionophore A23187

1978 ◽  
Vol 32 (1) ◽  
pp. 137-151
Author(s):  
D.P. Green
Keyword(s):  
Guinea Pig ◽  
Metal Cation ◽  
Acrosome Reaction ◽  
Divalent Metal ◽  
Secretory Cells ◽  
Free Calcium ◽  
Ionophore A23187 ◽  
Divalent Metal Cation ◽  
Free Calcium Concentration ◽  
External Calcium

The divalent metal cation ionophore A23187 induces an acrosome reaction in guinea-pig sperm which is dependent on external calcium. Examination of this acrosome reaction by electron microscopy shows that it is morphologically normal. The known properties of A23187 and the morphological similarity between the acrosome reaction and the secretory discharges of other secretory cells suggests that the immediate cause of the acrosome reaction is an increase in the cytoplasmic free calcium concentration.

scholarly journals Real-time analysis of multiple anion mixtures in aqueous media using a single receptor

2015 ◽  
Vol 51 (22) ◽  
pp. 4666-4669 ◽  
Author(s):  
Vaclav Havel ◽  
Mirza Arfan Yawer ◽  
Vladimir Sindelar
Keyword(s):  
Nmr Spectroscopy ◽  
Real Time ◽  
Aqueous Media ◽  
Time Analysis ◽  
Qualitative And Quantitative ◽  
H Nmr ◽  
Real Time Analysis ◽  
Single Receptor

Bambusuril macrocycles allow qualitative and quantitative sensing of anion mixtures in water using 1H NMR spectroscopy.

Determination of the content of fatty acid methyl esters (FAME) in biodiesel samples obtained by esterification using 1 H-NMR spectroscopy

2008 ◽  
Vol 46 (11) ◽  
pp. 1051-1054 ◽  
Author(s):  
Vinicius M. Mello ◽  
Flavia C. C. Oliveira ◽  
William G. Fraga ◽  
Claudia J. do Nascimento ◽  
Paulo A. Z. Suarez
Keyword(s):  
Fatty Acid ◽  
Nmr Spectroscopy ◽  
Fatty Acid Methyl Esters ◽  
Methyl Esters ◽  
H Nmr ◽  
Acid Methyl

Divalent metal cation requirements of phosphofructokinase-2 from E. coli. Evidence for a high affinity binding site for Mn2+

2011 ◽  
Vol 505 (1) ◽  
pp. 60-66 ◽  
Author(s):  
Jaime Andrés Rivas-Pardo ◽  
Andrés Caniuguir ◽  
Christian A.M. Wilson ◽  
Jorge Babul ◽  
Victoria Guixé
Keyword(s):  
Binding Site ◽  
Metal Cation ◽  
Divalent Metal ◽  
Affinity Binding ◽  
High Affinity Binding ◽  
Divalent Metal Cation ◽  
E Coli ◽  
High Affinity ◽  
High Affinity Binding Site
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