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One-step hydrothermal synthesis based on ionic liquid novel fluorescent carbon dots and detection application of one-step hydrothermal synthesis for sulfathiazole

A technology of fluorescent carbon dots and sulfathiazole, which is applied in the directions of fluorescence/phosphorescence, nano-carbon, luminescent materials, etc., can solve the problems of complex synthesis process of nano-fluorescent probes, low selectivity and sensitivity, and high synthesis cost, and achieve the detection rate. Fast, highly selective recognition performance, easy to operate effect

Pending Publication Date: 2020-06-12
HENAN NORMAL UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0004] However, at present, some nano-fluorescent probes have problems such as complex synthesis process, high synthesis cost, low selectivity and sensitivity. How to realize the preparation of high-performance fluorescent probes through simple synthesis methods has become a research hotspot.

Method used

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  • One-step hydrothermal synthesis based on ionic liquid novel fluorescent carbon dots and detection application of one-step hydrothermal synthesis for sulfathiazole
  • One-step hydrothermal synthesis based on ionic liquid novel fluorescent carbon dots and detection application of one-step hydrothermal synthesis for sulfathiazole
  • One-step hydrothermal synthesis based on ionic liquid novel fluorescent carbon dots and detection application of one-step hydrothermal synthesis for sulfathiazole

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Effect test

Embodiment 1

[0020] Add 1.11 g of 1-allyl-3-vinylimidazolium tetrafluoroborate, 0.2602 g of malonic acid and 10 mL of pure water into a high-temperature reaction kettle, and conduct a hydrothermal reaction at 220 °C for 12 h. After separation and purification by a 0.22 μm filter membrane, it was diluted 50 times for use.

Embodiment 2

[0022] Add 1.11 g of 1-allyl-3-vinylimidazolium tetrafluoroborate, 0.5215 g of malonic acid and 10 mL of pure water into a high-temperature reaction kettle, and conduct a hydrothermal reaction at 180 °C for 12 h. After separation and purification by a 0.22 μm filter membrane, it was diluted 50 times for use.

Embodiment 3

[0024] Add 1.6650 g of 1-allyl-3-vinylimidazolium tetrafluoroborate, 0.7805 g of malonic acid and 10 mL of pure water into a high-temperature reaction kettle, and conduct a hydrothermal reaction at 220°C for 3 h. After separation and purification by a 0.22 μm filter membrane, it was diluted 50 times for use.

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Abstract

The invention discloses the one-step hydrothermal synthesis based on ionic liquid novel fluorescent carbon dots and the detection application of one-step hydrothermal synthesis for sulfathiazole. Theone-step hydrothermal synthesis is characterized by taking 1-allyl-3-vinyl imidazole tetrafluoroborate as a carbon source, the malonic acid as a passivating agent, and synthesizing the novel fluorescent carbon dots capable of specifically recognizing sulfathiazole through a high-temperature hydrothermal reaction. A novel sulfathiazole fluorescent probe synthesized by the invention is simple in preparation process, low in cost and high in selectivity, has high sensitivity and accuracy in the detection of the trace sulfathiazole remained in an environmental sample, and has a wide application prospect in the field of analysis and detection of sulfathiazole.

Description

technical field [0001] The invention belongs to the technical field of the synthesis of fluorescent carbon dot nanomaterials and the detection and identification of sulfonamide antibiotics, and specifically relates to the one-step hydrothermal synthesis of novel fluorescent carbon dots based on ionic liquids and its application to the detection of sulfathiazole. Background technique [0002] Sulfathiazole is a sulfonamide antibiotic with a p-aminobenzenesulfonamide structure, which is widely used in livestock and poultry production, mainly for the prevention and treatment of infections by pathogenic bacteria such as meningococcus, hemolytic streptococcus and pneumococcus. Since sulfathiazole is difficult to metabolize in organisms, it will enter the environment through biological excretion, etc., and sulfathiazole has been detected in environmental media such as surface water and soil. Studies have shown that sulfathiazole can harm the human immune system, affect hematopoiet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64C09K11/65C01B32/15
CPCG01N21/6402G01N21/6428C09K11/65C01B32/15G01N2021/6432
Inventor 朱桂芬陈乐田刘永丽樊泽罡何帅龙苑靳钰樊静
Owner HENAN NORMAL UNIV
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