Nitrogen and fluorine co-doped green fluorescence carbon dots as a label-free probe for determination of cytochrome c in serum and temperature sensing

2021 ◽  
Vol 586 ◽  
pp. 683-691
Author(s):  
Jiantao Zhu ◽  
Huiyuan Chu ◽  
Jiwei Shen ◽  
Chaozhan Wang ◽  
Yinmao Wei
Keyword(s):  
Cytochrome C ◽  
Carbon Dots ◽  
Temperature Sensing ◽  
Label Free ◽  
Green Fluorescence ◽  
Co Doped

N,S co-doped carbon dots based fluorescent “on-off-on” sensor for determination of ascorbic acid in common fruits

2018 ◽  
Vol 258 ◽  
pp. 214-221 ◽  
Author(s):  
Xueli Luo ◽  
Wengang Zhang ◽  
Yong Han ◽  
Xiumei Chen ◽  
Li Zhu ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Carbon Dots ◽  
Doped Carbon Dots ◽  
Co Doped

Titanium carbide MXenes combined with red-emitting carbon dots as a unique turn-on fluorescent nanosensor for label-free determination of glucose

2019 ◽  
Vol 7 (48) ◽  
pp. 7729-7735 ◽  
Author(s):  
Xiaohua Zhu ◽  
Xiao Pang ◽  
Youyu Zhang ◽  
Shouzhuo Yao
Keyword(s):  
Titanium Carbide ◽  
Carbon Dots ◽  
Two Dimensional ◽  
Label Free ◽  
Physiochemical Properties ◽  
Turn On ◽  
Unique Structure ◽  
New Family ◽  
2D Nanomaterials

Titanium carbides (Ti3C2), a new family of two-dimensional (2D) nanomaterials, have attracted extensive attention due to their unique structure and desirable physiochemical properties.

Dual-excitation and dual-emission carbon dots for Fe3+ detection, temperature sensing, and lysosome targeting

2021 ◽  
Author(s):  
Xiaofeng Li ◽  
Yuejing Bao ◽  
Xiaorui Dong ◽  
Lihong Shi ◽  
Shaomin Shuang
Keyword(s):  
Hydrothermal Treatment ◽  
Carbon Dots ◽  
Temperature Sensing ◽  
Aminosalicylic Acid ◽  
Green Fluorescence ◽  
Dual Emission ◽  
One Step ◽  
Bright Green ◽  
Bright Green Fluorescence

Dual-excitation and dual-emission carbon dots (CDs) have been prepared by simple one-step hydrothermal treatment of p-phenylenediamine and 5-aminosalicylic acid. As-prepared CDs emit bright green fluorescence under the excitation of 320...

Label-free fluorescence assay based on near-infrared B,N-doped carbon dots as a fluorescent probe for the detection of sialic acid

2020 ◽  
Vol 44 (6) ◽  
pp. 2350-2356 ◽  
Author(s):  
Nan Wang ◽  
Mengke Wang ◽  
Yang Yu ◽  
Guojian Yang ◽  
Xingguang Su
Keyword(s):  
Sialic Acid ◽  
Fluorescent Probe ◽  
Carbon Dots ◽  
Near Infrared ◽  
Fluorescence Assay ◽  
Label Free ◽  
Activity Detection ◽  
Doped Carbon Dots ◽  
Co Doped

A simple and sensitive sensing strategy for sialic acid activity detection on the basis of novel near-infrared B,N co-doped carbon dots was constructed.

scholarly journals Using N-doped Carbon Dots Prepared Rapidly by Microwave Digestion as Nanoprobes and Nanocatalysts for Fluorescence Determination of Ultratrace Isocarbophos with Label-Free Aptamers

Nanomaterials ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 223 ◽  
Author(s):  
Xin Li ◽  
Xin Jiang ◽  
Qingye Liu ◽  
Aihui Liang ◽  
Zhiliang Jiang
Keyword(s):  
Catalytic Activity ◽  
Detection Limit ◽  
Fluorescent Probe ◽  
Carbon Dots ◽  
Rapid Determination ◽  
Microwave Digestion ◽  
Label Free ◽  
Laser Scattering ◽  
Doped Carbon Dots

The strongly fluorescent and highly catalytic N-doped carbon dots (CDN) were rapidly prepared by a microwave irradiation procedure and were characterized by electron microscopy (EM), laser scattering, infrared spectroscopy (IR), and by their fluorescence spectrum. It was found that the CDN had a strong catalytic effect on the fluorescence reaction of 3,3′,5,5′-tetramethylbenzidine hydroxide ((TMB)–H2O2) which produced the oxidation product of TMB (TMBOX) with strong fluorescence at 406 nm. The aptamer (Apt) was adsorbed on the CDN surfaces which weakened the fluorescence intensity due to the inhibition of catalytic activity. When the target molecule isocarbophos (IPS) was added, it reacted with the Apt to form a stable conjugate and free CDN which restored the catalytic activity to enhance the fluorescence. Using TMBOX as a fluorescent probe, a highly sensitive nanocatalytic method for determination of 0.025–1.5 μg/L IPS was established with a detection limit of 0.015 μg/L. Coupling the CDN fluorescent probe with the Apt–IPS reaction, a new CD fluorescence method was established for the simple and rapid determination of 0.25–1.5 μg/L IPS with a detection limit of 0.11 μg/L.

Orange emissive N,S-codoped carbon dots for label-free and sensitive fluorescence assay of vitamin B12

2021 ◽  
Author(s):  
Pengfei Fan ◽  
Can Liu ◽  
Congcong Hu ◽  
Feifei Li ◽  
Xi Lin ◽  
...  
Keyword(s):  
Vitamin B12 ◽  
Hydrothermal Method ◽  
Carbon Dots ◽  
Fluorescence Assay ◽  
Label Free ◽  
Facile Hydrothermal Method ◽  
Doped Carbon Dots ◽  
Co Doped

Nitrogen and sulfur co-doped carbon dots (N,S-CDs) with strongly orange fluorescent]ce were fabricated through a facile hydrothermal method using o-phenylenediamine and thiourea as original materials. The N,S-CDs performed excitation-independent photoluminescent...

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