scholarly journals Novel single excitation dual-emission carbon dots for colorimetric and ratiometric fluorescent dual mode detection of Cu2+ and Al3+ ions

RSC Advances ◽  
2019 ◽  
Vol 9 (66) ◽  
pp. 38568-38575 ◽  
Author(s):  
Jinping Song ◽  
Qi Ma ◽  
Yequn Liu ◽  
Yong Guo ◽  
Feng Feng ◽  
...  
Keyword(s):  
Interference Effect ◽  
Simultaneous Detection ◽  
Blue Emission ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Dual Mode ◽  
Dual Emission ◽  
Red Emission ◽  
Mode Detection ◽  
Ratiometric Fluorescence Sensing

D-CDs with strong red emission and weak blue emission as an effective colorimetric and ratiometric fluorescence sensing probe are employed to realize the simultaneous detection of Cu2+ and Al3+ ions without any interference effect.

Folded short azapeptide for conformation switching-based fluorescence sensing

2017 ◽  
Vol 53 (98) ◽  
pp. 13137-13140 ◽  
Author(s):  
Yuan Yuan ◽  
Xiao-Sheng Yan ◽  
Xiao-Rui Li ◽  
Jin-Lian Cao ◽  
Zhao Li ◽  
...  
Keyword(s):  
Fluorescent Sensors ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Dual Emission ◽  
Highly Sensitive ◽  
Turn Structure ◽  
Ratiometric Fluorescence Sensing

Dipeptide-based amidothiourea (azapeptides) bearing folded β-turn structures were employed to build beacon-like fluorescent sensors signalled by pyrene exciplex or excimer dual emission to allow highly sensitive ratiometric fluorescence sensing of an anion able to bind to the structural moiety placed within the turn structure.

Facile synthesis of red dual-emissive carbon dots for ratiometric fluorescence sensing and cellular imaging

Nanoscale ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 5494-5500 ◽  
Author(s):  
Yang Hu ◽  
Zhengbiao Yang ◽  
Xuan Lu ◽  
Jiazhuang Guo ◽  
Rui Cheng ◽  
...  
Keyword(s):  
Hydrothermal Treatment ◽  
Carbon Dots ◽  
Cellular Imaging ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Facile Synthesis ◽  
Dual Emission ◽  
Ratiometric Fluorescence Sensing

Carbon dots synthesized by the hydrothermal treatment of dicyandiamide and o-phenylenediamine in dilute H2SO4 exhibit efficient excitation-independent red dual-emission useful for ratiometric fluorescence sensing and cellular imaging.

Carbon dots doped lanthanide coordination polymer nanocomposite as ratiometric fluorescent probe for the sensitive detection of alkaline phosphatase activity

The Analyst ◽  
2021 ◽  
Author(s):  
Weidi Sun ◽  
Xue Han ◽  
Fengli Qu ◽  
Rong-Mei Kong ◽  
Zilong Zhao
Keyword(s):  
Alkaline Phosphatase ◽  
Coordination Polymer ◽  
Polymer Nanocomposite ◽  
Activity Analysis ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Lanthanide Coordination Polymer ◽  
Stimulus Responsive ◽  
Ratiometric Fluorescence Sensing ◽  
Ratiometric Fluorescent Probe

Developing sensitive methods for alkaline phosphatase (ALP) activity analysis is an important analytical topic. Based on the stimulus-responsive lanthanide coordination polymer, a simple ratiometric fluorescence sensing strategy was proposed to...

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...

Ratiometric fluorescence sensing and colorimetric decoding methanol by a bimetallic lanthanide-organic framework

2018 ◽  
Vol 265 ◽  
pp. 104-109 ◽  
Author(s):  
Di-Ming Chen ◽  
Chun-Xiao Sun ◽  
Yu Peng ◽  
Nan-Nan Zhang ◽  
Huan-Huan Si ◽  
...  
Keyword(s):  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Ratiometric Fluorescence Sensing ◽  
Organic Framework

Visualized ratiometric fluorescence sensing system for copper ions based on gold nanoclusters/perovskite quantum dot @SiO2 nanocomposites

The Analyst ◽  
2021 ◽  
Author(s):  
Wanying Xue ◽  
Jiangyan Zhong ◽  
Haishan Wu ◽  
Jianhua Zhang ◽  
Yuwu Chi
Keyword(s):  
Quantum Dot ◽  
Metal Ions ◽  
Environmental Pollution ◽  
Copper Ions ◽  
Gold Nanoclusters ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Sensing System ◽  
Sio2 Nanocomposites ◽  
Ratiometric Fluorescence Sensing

Excessive copper ions (Cu2+)cause serious environmental pollution and even endanger the health of organisms. Fluorescence chemosensing materials are widely used in the detection of metal ions due to their simple...

An unprecedented oxidised julolidine-BODIPY conjugate and its application in real-time ratiometric fluorescence sensing of sulfite

2019 ◽  
Vol 17 (31) ◽  
pp. 7360-7368 ◽  
Author(s):  
D. Sirbu ◽  
L. Zeng ◽  
P. G. Waddell ◽  
A. C. Benniston
Keyword(s):  
Real Time ◽  
White Light ◽  
Ratiometric Fluorescence ◽  
Fluorescence Sensing ◽  
Quaternary Nitrogen ◽  
Ratiometric Fluorescence Sensing

Reaction of a julolidine-based BODIPY compound with silver(i) ions in the presence of white light produced the oxidised julolidine version (OXJUL) containing a quaternary nitrogen.

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