Pollutant soot of diesel engine exhaust transformed to carbon dots for multicoloured imaging of E-coli and sensing cholesterol

被引：76
作者：
Tripathi, Kumud Malika [1 ]
Sonker, Amit Kumar [2 ]
Sonkar, Sumit Kumar [3 ]
Sarkar, Sabyasachi [4 ]
机构：
[1] Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, India
[2] Indian Inst Technol, Dept Mat Sci & Engn, Kanpur 208016, Uttar Pradesh, India
[3] Malaviya Natl Inst Technol, Dept Chem, Jaipur 302017, Rajasthan, India
[4] Indian Inst Engn Sci & Technol, Dept Chem, Sibpur 711103, Howrah, India
来源：
RSC ADVANCES | 2014年 / 4卷 / 57期
关键词：
ONE-STEP SYNTHESIS; QUANTUM DOTS; NANO-ONIONS; GREEN SYNTHESIS; METHYLENE-BLUE; IN-VIVO; GRAPHENE; NANOTUBES; NANOPARTICLES; FLUORESCENCE;
D O I：
10.1039/c4ra03720k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A convenient method for the synthesis of water soluble, fluorescent carbon dots from environmental pollutant diesel soot is described. The soot, generated from the exhaust of diesel engines as black, diesel particulate matter (DPM), is an environmental pollutant. This pollutant has been utilized as the precursor carbon source to create water soluble versions of carbon dots by chemical oxidation. The small sized water soluble carbon dots once separated display multicoloured emissions covering the green to red and extended to the near-infrared region. These have been used in imaging Escherichia coli and further used in sensing cholesterol.
引用
收藏
页码：30100 / 30107
页数：8
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