scholarly journals A New Method for the Colorimetric Determination of Hypophosphate Ions with the Molybdenum(V)-Molybdenum(VI) Reagent

1964 ◽  
Vol 37 (1) ◽  
pp. 33-37 ◽  
Author(s):  
Norimasa Yoza ◽  
Shigeru Ohashi
Keyword(s):  
New Method ◽  
Colorimetric Determination

A dynamic gas extraction-assisted paper-based method for colorimetric determination of bromides

2020 ◽  
Vol 12 (4) ◽  
pp. 587-594 ◽  
Author(s):  
Marina O. Gorbunova ◽  
Maria S. Garshina ◽  
Margarita S. Kulyaginova ◽  
Vladimir V. Apyari ◽  
Aleksei A. Furletov ◽  
...  
Keyword(s):  
Natural Waters ◽  
New Method ◽  
Colorimetric Determination ◽  
Gas Extraction ◽  
Selective Determination

A new method for selective determination of bromides in natural waters, foodstuffs and pharmaceuticals has been developed.

A novel bromelain-MnO2 biosensor for colorimetric determination of dopamine

2021 ◽  
Vol 45 (1) ◽  
pp. 92-97
Author(s):  
Shimeng Liu ◽  
Xiayu Zhou ◽  
Changyin Lv ◽  
Ran Liu ◽  
Shiya Li ◽  
...  
Keyword(s):  
Oxidase Activity ◽  
New Method ◽  
Colorimetric Determination ◽  
Colorimetric Sensing

We report a method for determining dopamine in serum via colorimetric sensing. This new method adopts bromelain-templated MnO2 nanosheets that possess high oxidase activity. 3,3′,5,5′-Tetramethylbenzidine (TMB) can be directly oxidized by bromelain-MnO2 nanosheets to oxTMB products.

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