The detection of a transgenic soybean biochip using gold label silver stain technology

2011 ◽  
Vol 21 (22) ◽  
pp. 6905-6908 ◽  
Author(s):  
Zhongliang Deng ◽  
Yuetao Ge ◽  
Qike Cao ◽  
Ke Han
2020 ◽  
Vol 10 (2) ◽  
pp. 206-213
Author(s):  
Pengfei Jiang ◽  
Miduo Tan ◽  
Lan Zhao ◽  
Yulin Wang ◽  
Ting Pan ◽  
...  

A novel electrochemical gene detection method based on bio-barcode/gold label silver stain (GLSS) dual amplification is presented. The silica nanoparticle/gold nanoparticles (SiO2/AuNPs) barcode probes were constructed by combining SiO2 nanoparticle-labeled DNA with AuNPs, which hybridizes with target DNAs and the electrode surface-modified DNA probes. The silver ions were reduced on the surface of AuNPs to form a silver shell by the catalysis of AuNPs, and then the electrochemical detection of deposited silver was performed by linear sweep voltammetry (LSV). In this paper, the effects of electrode blocking agent, blocking time and silver deposition time on electrochemical detection were also investigated. The proposed electrochemical DNA biosensor bring forth a low detection limit of 0.23 fM and a widely linear range of 1 fM to 10 pM. This method can clearly distinguish the complementary and mismatched DNA, with good repeatability and stability.


2005 ◽  
Vol 23 (9) ◽  
pp. 1247-1252
Author(s):  
Mei-Jun Tan ◽  
Jian-Xin Tang ◽  
Hong Chen
Keyword(s):  

Author(s):  
Kuixiong Gao ◽  
Randal E. Morris ◽  
Bruce F. Giffin ◽  
Robert R. Cardell

Several enzymes are involved in the regulation of anabolic and catabolic pathways of carbohydrate metabolism in liver parenchymal cells. The lobular distribution of glycogen synthase (GS), phosphoenolpyruvate carboxykinase (PEPCK) and glycogen phosphorylase (GP) was studied by immunocytochemistry using cryosections of normal fed and fasted rat liver. Since sections of tissue embedded in polyethylene glycol (PEG) show good morphological preservation and increased detectability for immunocytochemical localization of antigenic sites, and semithin sections of Visio-Bond (VB) embedded tissue provide higher resolution of cellular structure, we applied these techniques and immunogold-silver stain (IGSS) for a more accurate localization of hepatic carbohydrate metabolic enzymes.


2017 ◽  
Vol 43 (11) ◽  
pp. 1588 ◽  
Author(s):  
Jing YANG ◽  
Guo-Jie XING ◽  
Lu NIU ◽  
Hong-Li HE ◽  
Qian DU ◽  
...  

Crop Science ◽  
2004 ◽  
Vol 44 (2) ◽  
pp. 646 ◽  
Author(s):  
Shirley Sato ◽  
Aiqiu Xing ◽  
Xingguo Ye ◽  
Bruce Schweiger ◽  
Anthony Kinney ◽  
...  

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