Selective Enhancement of Electrochemical Signal based on the Size of Alcohols using Nanoporous Platinum

2021 ◽  
Author(s):  
Jae Jin Bang ◽  
Donghoon Han ◽  
Jinsik Shin ◽  
Taek Dong Chung ◽  
Je Hyun Bae
Keyword(s):  
Electrochemical Signal ◽  
Selective Enhancement ◽  
Nanoporous Platinum

scholarly journals Selective Enhancement of Electrochemical Signal Based on the Size of Alcohols Using Nanoporous Platinum

2021 ◽  
Author(s):  
Jae Jin Bang ◽  
Donghoon Han ◽  
Jinsik Shin ◽  
Taek Dong Chung ◽  
Je Hyun Bae
Keyword(s):  
Electrochemical Signal ◽  
Selective Enhancement ◽  
Nanoporous Platinum

scholarly journals Selective enhancement of the QCD axion couplings

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Luc Darmé ◽  
Luca Di Luzio ◽  
Maurizio Giannotti ◽  
Enrico Nardi
Keyword(s):  
Selective Enhancement

Glutathione S-Transferase Activity in Nontreated and CGA-154281- Treated Maize Shoots

1991 ◽  
Vol 46 (9-10) ◽  
pp. 850-855 ◽  
Author(s):  
John V. Dean ◽  
John W. Gronwald ◽  
Michael P. Anderson
Keyword(s):  
Liquid Chromatography ◽  
Anion Exchange ◽  
Cinnamic Acid ◽  
Fast Protein Liquid Chromatography ◽  
Transferase Activity ◽  
Glutathione S Transferase ◽  
Selective Enhancement

Abstract Fast protein liquid chromatography (anion exchange) was used to separate glutathione S-transferase isozymes in nontreated etiolated maize shoots and those treated with the herbi­cide safener CGA -1542814-(dichloroacetyl)-3,4-dihydro-3-methyl-2 H-1 ,4-benzoxazine. Non­treated shoots contained isozymes active with the following substrates: trans-cinnamic acid (1 isozyme), atrazine (3 isozymes), 1-chloro-2,4-dinitrobenzene (1 isozyme), metolachlor (2 isozymes) and the sulfoxide derivative of S-ethyl dipropylcarbamothioate (2 isozymes). Pre­treatment of shoots with the safener CGA -154281 (1 μM) had no effect on the activity of the isozymes selective for trans-cinnamic acid and atrazine but increased the activity of the constitutively-expressed isozymes that exhibit activity with 1-chloro-2,4-dinitrobenzene, metola­chlor and the sulfoxide derivative of S-ethyl dipropylcarbamothioate. The safener pretreat­ment also caused the appearance of one new isozyme active with 1-chloro-2,4-dinitrobenzene and one new isozyme active with metolachlor. The results illustrate the complexity of gluta­thione S-transferase activity in etiolated maize shoots, and the selective enhancement of gluta­thione S-transferase isozymes by the safener CGA -154281.

scholarly journals Metal Nanoparticle and Quantum Dot Tags for Signal Amplification in Electrochemical Immunosensors for Biomarker Detection

Chemosensors ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. 85
Author(s):  
Anton Popov ◽  
Benediktas Brasiunas ◽  
Asta Kausaite-Minkstimiene ◽  
Almira Ramanaviciene
Keyword(s):  
Signal Amplification ◽  
Electrochemical Immunosensor ◽  
Metal Nanoparticle ◽  
Biomarker Detection ◽  
Analytical Instruments ◽  
Electrochemical Immunosensors ◽  
Highly Sensitive ◽  
Recent Developments ◽  
Electrochemical Signal ◽  
Detection Of Biomarkers

With the increasing importance of healthcare and clinical diagnosis, as well as the growing demand for highly sensitive analytical instruments, immunosensors have received considerable attention. In this review, electrochemical immunosensor signal amplification strategies using metal nanoparticles (MNPs) and quantum dots (Qdots) as tags are overviewed, focusing on recent developments in the ultrasensitive detection of biomarkers. MNPs and Qdots can be used separately or in combination with other nanostructures, while performing the function of nanocarriers, electroactive labels, or catalysts. Thus, different functions of MNPs and Qdots as well as recent advances in electrochemical signal amplification are discussed. Additionally, the methods most often used for antibody immobilization on nanoparticles, immunoassay formats, and electrochemical methods for indirect biomarker detection are overviewed.

Enzyme-induced Cu2+/Cu+ conversion as the electrochemical signal for sensitive detection of ethyl carbamate

2021 ◽  
Vol 1151 ◽  
pp. 338256
Author(s):  
Long Wu ◽  
Yasheng Wang ◽  
Shuhong Zhou ◽  
Yongheng Zhu ◽  
Xiaoqiang Chen
Keyword(s):  
Ethyl Carbamate ◽  
Sensitive Detection ◽  
Electrochemical Signal
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