Ratiometric fluorescence and mesoporous structure dual signal amplification for sensitive and selective detection of TNT based on MIP@QD fluorescence sensors

2015 ◽  
Vol 51 (15) ◽  
pp. 3200-3203 ◽  
Author(s):  
Shoufang Xu ◽  
Hongzhi Lu
Keyword(s):  
Signal Amplification ◽  
Mesoporous Structure ◽  
Selective Detection ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensors ◽  
Highly Sensitive ◽  
Silica Materials ◽  
Mesoporous Silica Materials ◽  
Highly Sensitive Detection ◽  
Dual Signal Amplification

MIP@QD fluorescence sensors combined with ratiometric fluorescence techniques and mesoporous silica materials for highly sensitive detection of TNT.

Carbon nanoparticle-protected aptamers for highly sensitive and selective detection of biomolecules based on nuclease-assisted target recycling signal amplification

2014 ◽  
Vol 50 (57) ◽  
pp. 7646-7648 ◽  
Author(s):  
Xiaoyan Lin ◽  
Liang Cui ◽  
Yishun Huang ◽  
Ya Lin ◽  
Yi Xie ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Carbon Nanoparticles ◽  
Sensitive Detection ◽  
Selective Detection ◽  
Carbon Nanoparticle ◽  
Target Recycling ◽  
Amplification Method ◽  
Highly Sensitive ◽  
Detection Of Biomolecules ◽  
Highly Sensitive Detection

A nuclease-assisted target recycling signal amplification method based on carbon nanoparticles for highly sensitive detection of biomolecules was developed.

Dual signal-amplification electrochemical detection of DNA sequence based on molybdenum selenide nanorod and hybridization chain reaction

2016 ◽  
Vol 8 (26) ◽  
pp. 5234-5241 ◽  
Author(s):  
Liu Yang ◽  
Yanfu Li
Keyword(s):  
Dna Sequences ◽  
Signal Amplification ◽  
Hybridization Chain Reaction ◽  
Chain Reaction ◽  
Molybdenum Selenide ◽  
Highly Sensitive ◽  
Immunodeficiency Virus ◽  
Highly Sensitive Detection ◽  
Dual Signal Amplification

A new electrochemical biosensor based on the hybridization chain reaction and layered molybdenum selenide (MoSe2) stacked nanorod for dual-signal amplification is developed for the highly sensitive detection of the DNA sequences of Human Immunodeficiency Virus type 1 (HIV-1).

Fl–DFO molecules@mesoporous silica materials: Highly sensitive and selective nanosensor for dosing with iron ions

2011 ◽  
Vol 358 (1) ◽  
pp. 136-145 ◽  
Author(s):  
Bao-Lian Su ◽  
Nicolas Moniotte ◽  
Noan Nivarlet ◽  
Li-Hua Chen ◽  
Zheng-Yi Fu ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Iron Ions ◽  
Highly Sensitive ◽  
Silica Materials ◽  
Mesoporous Silica Materials

A novel electrochemical immunosensor based on dual signal amplification of gold nanoparticles and telomerase extension reaction

2014 ◽  
Vol 6 (7) ◽  
pp. 2221-2226 ◽  
Author(s):  
Xiao-Yan Li ◽  
Zi Yi ◽  
Hao Tang ◽  
Xia Chu ◽  
Ru-Qin Yu
Keyword(s):  
Gold Nanoparticles ◽  
Signal Amplification ◽  
Electrochemical Immunosensor ◽  
Highly Sensitive ◽  
Dual Signal Amplification

Highly sensitive electrochemical immune analysis was achieved based on dual signal amplification of AuNPs and telomerase extension reaction.

Redox-induced target-dependent ratiometric fluorescence sensing strategy and logic gate operation for detection of α-glucosidase activity and its inhibitor

2021 ◽  
Author(s):  
Xucan Yuan ◽  
Yi Sun ◽  
Pengfei Zhao ◽  
Longshan Zhao ◽  
Zhili Xiong
Keyword(s):  
Redox Reaction ◽  
Logic Gate ◽  
Sensitive Detection ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Gate Operation ◽  
Glucosidase Activity ◽  
Highly Sensitive ◽  
Highly Sensitive Detection ◽  
Ratiometric Fluorescence Sensing

A target-dependent ratiometric fluorescence sensing strategy was designed and fabricated based on redox reaction for highly sensitive detection of α-glucosidase (α-Glu) activity and its inhibitor. In this study, silicon quantum...

Electrochemical biosensor for detection of pathogenic bacteria based on dual signal amplification of Cu3(PO4)2-mediated click chemistry and DNAzyme

The Analyst ◽  
2021 ◽  
Author(s):  
Hongguo Wei ◽  
Jiayu Wan ◽  
Shengjun Bu ◽  
Wenguang Zhang ◽  
Ma Li ◽  
...  
Keyword(s):  
Click Chemistry ◽  
Magnetic Separation ◽  
Concanavalin A ◽  
Signal Amplification ◽  
Pathogenic Bacteria ◽  
Electrochemical Biosensor ◽  
Inorganic Hybrid ◽  
Highly Sensitive ◽  
Antibody Conjugates ◽  
Dual Signal Amplification

A novel electrochemical biosensor for detecting pathogenic bacteria was designed based on specific magnetic separation and highly sensitive click chemistry. Instead of enzyme-antibody conjugates, organic-inorganic hybrid nanoflowers (Concanavalin A (Con...

A highly sensitive fluorescence biosensor for detection of Staphylococcus aureus based on HCR-mediated three-way DNA junction nicking enzyme assisted signal amplification

The Analyst ◽  
2021 ◽  
Author(s):  
Chuyan Zhang ◽  
Zewei Luo ◽  
Mengfan Wu ◽  
Wei Ning ◽  
Ziyi Tian ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Food Safety ◽  
Signal Amplification ◽  
Sensitive Detection ◽  
Safety Control ◽  
Food Borne ◽  
Highly Sensitive ◽  
Fluorescence Biosensor ◽  
Highly Sensitive Detection ◽  
Nicking Enzyme

Sensitive and efficient monitoring of food-borne bacteria is of great importance for food safety control. Herein, a novel biosensor for highly sensitive detection of Staphylococcus aureus (S. aureus) was constructed...

An electrochemical sensor for highly sensitive detection of copper ions based on a new molecular probe Pi-A decorated on graphene

2017 ◽  
Vol 9 (4) ◽  
pp. 618-624 ◽  
Author(s):  
Liuqing Yang ◽  
Na Huang ◽  
Liyan Huang ◽  
Meiling Liu ◽  
Haitao Li ◽  
...  
Keyword(s):  
Electrochemical Sensor ◽  
Electrochemical Method ◽  
Copper Ions ◽  
Molecular Probe ◽  
Selective Detection ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Reduced Graphene ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

In this paper, a new electrochemical sensor based on a new fluorescent probe N-(2-(1-(p-tolyl)-1H-phenanthro[9,10-d]imidazol-2-yl)phenyl)picolinamide (Pi-A) decorated reduced graphene oxide (RGO) modified glassy carbon electrode (GCE) was developed for highly selective detection of copper ions using the electrochemical method.

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