A fluorescent probe for specific detection of cysteine in the lipid dense region of cells

2015 ◽  
Vol 51 (95) ◽  
pp. 16932-16935 ◽  
Author(s):  
Firoj Ali ◽  
Anila H. A. ◽  
Nandaraj Taye ◽  
Rajesh G. Gonnade ◽  
Samit Chattopadhyay ◽  
...  

Use of a cysteine specific chemodosimetric receptor for probing its release in the ER-region of the HepG2 cells during drug metabolism and silica based strips for quantitative estimation of Cys in a human blood plasma sample.

2014 ◽  
Vol 50 (69) ◽  
pp. 9899-9902 ◽  
Author(s):  
Upendar Reddy G. ◽  
Hridesh Agarwalla ◽  
Nandaraj Taye ◽  
Suvankar Ghorai ◽  
Samit Chattopadhyay ◽  
...  

A new cell membrane permeable reagent for detection of endogenous Cys as well as quantitative estimation of Cys and His in a human blood plasma sample.


2020 ◽  
Author(s):  
O.E.M. ter Beek ◽  
M.K. van Gelder ◽  
C. Lokhorst ◽  
D.H.M. Hazenbrink ◽  
B.H. Lentferink ◽  
...  

2018 ◽  
Vol 16 (1) ◽  
pp. 74-81 ◽  
Author(s):  
Olga I. Kiseleva ◽  
Elena A. Ponomarenko ◽  
Yulia A. Romashova ◽  
Ekaterina V. Poverennaya ◽  
Andrey V. Lisitsa

Background: Liquid chromatography coupled with targeted mass spectrometry underwent rapid technical evolution during last years and has become widely used technology in clinical laboratories. It offers confident specificity and sensitivity superior to those of traditional immunoassays. However, due to controversial reports on reproducibility of SRM measurements, the prospects of clinical appliance of the method are worth discussing. </P><P> Objective: The study was aimed at assessment of capabilities of SRM to achieve a thorough assembly of the human plasma proteome. </P><P> Method: We examined set of 19 human blood plasma samples to measure 100 proteins, including FDA-approved biomarkers, via SRM-assay. </P><P> Results: Out of 100 target proteins 43 proteins were confidently detected in at least two blood plasma sample runs, 36 and 21 proteins were either not detected in any run or inconsistently detected, respectively. Empiric dependences on protein detectability were derived to predict the number of biological samples required to detect with certainty a diagnostically relevant quantum of the human plasma proteome. </P><P> Conclusion: The number of samples exponentially increases with an increase in the number of protein targets, while proportionally decreasing to the logarithm of the limit of detection. Analytical sensitivity and enormous proteome heterogeneity are major bottlenecks of the human proteome exploration.


2002 ◽  
Vol 43 (3) ◽  
pp. 365-374
Author(s):  
Elisa Campos ◽  
Leila Kotite ◽  
Patricia Blanche ◽  
Yasushi Mitsugi ◽  
Philip H. Frost ◽  
...  

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