Preparation method and application of Au NPs coated WP5/BiOBr composite material

A composite material and mixed solvent technology, applied in the field of photoelectrochemistry, can solve the problems of requiring special operators, environmental pollution, low sensitivity of detection technology, etc.
CN113189188APending Publication Date: 2021-07-30NANTONG UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NANTONG UNIVERSITY
Publication Date
2021-07-30

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Abstract

The invention discloses an Au NPs coated WP5 / BiOBr composite material as well as a preparation method and application thereof. The Au NPs coated WP5 / BiOBr composite material is prepared by loading Au NPs coated WP5 in a bismuth oxybromide nanoflower lamella, the Au NPs coated WP5 / BiOBr composite material is modified on the surface of a glassy carbon electrode, and the Au NPs coated WP5 / BiOBr composite material is prepared by utilizing the local surface plasma effect of gold nanoparticles under visible light. The host-guest complexing effect of water-soluble pillararene and the photogenerated electron hole acceleration redox reaction of BiOBr under visible light illumination are cooperated to detect the dopamine in the solution. Bovine hemoglobin with different concentrations is sequentially dropwise added into the solution, an electric signal generated by dopamine can be weakened, so that indirect detection of the bovine hemoglobin is achieved, the detection range is 10<-11>-10<-1> mg / mL, and the detection limit is 4.2* 0<-12> mg / mL.
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Description

technical field

[0001] The invention relates to the field of photoelectrochemical technology, in particular to a preparation method and application of an Au NPs@WP5 / BiOBr composite material. Background technique

[0002] Hemoglobin (Hb), also known as hemoglobin, is an essential substance for the human body and the main component of red blood cells. It can combine with oxygen and transport oxygen and carbon dioxide. The hemoglobin level can well reflect the degree of anemia. The normal range of hemoglobin in the human body is: male 130-175 g / L; female 115-150 g / L; newborn 170-200 g / L. Decreased hemoglobin can cause various anemias (such as aplastic anemia, iron deficiency anemia, sideroblastic anemia, megaloblastic anemia, hemolytic anemia, thalassemia, etc.), massive blood loss (such as traumatic bleeding, surgical Hemorrhage, postpartum hemorrhage, acute gastrointestinal bleeding, chronic blood loss caused by ulcer, etc.), leukemia, postpartum, chemotherapy, hookworm dis...

Claims

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