A label-free fluorescent sensor based on silicon quantum dots–MnO2 nanosheets for the detection of α-glucosidase and its inhibitor

The Analyst ◽  
2019 ◽  
Vol 144 (24) ◽  
pp. 7398-7405 ◽  
Author(s):  
Jinying Liu ◽  
Xinhe Duan ◽  
Mengke Wang ◽  
Xingguang Su
Keyword(s):  
Quantum Dots ◽  
Fluorescent Sensor ◽  
Label Free ◽  
Silicon Quantum Dots ◽  
Mno2 Nanosheets ◽  
Sensing Platform ◽  
First Time

We have successfully designed a fluorescence SiQD–MnO2 nanosheet sensing platform to detect α-glucosidase and acarbose for the first time.

A dual-responsive fluorescent sensor for Hg2+ and thiols based on N-doped silicon quantum dots and its application in cell imaging

2019 ◽  
Vol 7 (44) ◽  
pp. 7033-7041 ◽  
Author(s):  
Sansan Shen ◽  
Bohui Huang ◽  
Xiaofeng Guo ◽  
Hong Wang
Keyword(s):  
Quantum Dots ◽  
Response Time ◽  
Cell Imaging ◽  
Fluorescent Sensor ◽  
High Sensitivity ◽  
Fast Response ◽  
Silicon Quantum Dots ◽  
Fast Response Time ◽  
Dual Responsive ◽  
Doped Silicon

An on–off–on fluorescent sensor based on N-SiQD has the advantages of fast response time and high sensitivity to Hg2+ and GSH.

Precise size separation of water-soluble red-to-near-infrared-luminescent silicon quantum dots by gel electrophoresis

Nanoscale ◽  
2020 ◽  
Vol 12 (16) ◽  
pp. 9266-9271
Author(s):  
Minoru Fujii ◽  
Akiko Minami ◽  
Hiroshi Sugimoto
Keyword(s):  
Quantum Dots ◽  
Standard Method ◽  
Gel Electrophoresis ◽  
Near Infrared ◽  
Water Soluble ◽  
Silicon Quantum Dots ◽  
Size Separation ◽  
First Time ◽  
Si Quantum Dots

Gel electrophoresis, which is a standard method for separation and analysis of macromolecules such as DNA, RNA and proteins, is applied for the first time to silicon (Si) quantum dots (QDs) for size separation.

S doped silicon quantum dots with high quantum yield as a fluorescent sensor for determination of Fe3+ in water

2020 ◽  
Vol 110 ◽  
pp. 110461
Author(s):  
Xiaoshuo Zhang ◽  
Chunhua Li ◽  
Sheliang Zhao ◽  
Huiyun Pang ◽  
Yong Han ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Fluorescent Sensor ◽  
High Quantum Yield ◽  
Silicon Quantum Dots ◽  
High Quantum ◽  
Doped Silicon

A fluorometric assay for tyrosinase activity and its inhibitor screening based on graphene quantum dots

RSC Advances ◽  
2016 ◽  
Vol 6 (76) ◽  
pp. 72670-72675 ◽  
Author(s):  
X. E. Zhao ◽  
C. H. Lei ◽  
Y. H. Wang ◽  
F. Qu ◽  
S. Y. Zhu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Tyrosinase Activity ◽  
Fluorometric Assay ◽  
Pristine Graphene ◽  
Fluorescence Sensing ◽  
Inhibitor Screening ◽  
Sensing Platform ◽  
First Time

Pristine graphene quantum dots (GQDs) without any functionalization were used as probes to develop a sensitive and selective fluorescence sensing platform for the detection of tyrosinase (TYR) activity and its inhibitor screening for the first time.

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