国家/地区 中国（22）
IPC部 G（22）
IPC大类 G01（22） C09（8） B82（6）
C01（3） C08（3） C12（3）
IPC小类 G01N（22） C09K（8） B82Y（6）
C01B（3） C08F（3） C08J（2）
C08K（2） C08L（2） C12N（2）
C12Q（2）
IPC G01N021/64（22）
发明人 WANG Y（3） CHEN J（2） CHEN W（2）
GAO Y（2） LI G（2） LI X（2）
LIU X（2） TAN X（2） WANG C（2）
公开年 2023（22）
申请年 2022（18）  2023（3） 
专利权人 UNIV GUANGDO.（2） UNIV TIANJIN（2）

Preparation of graphene quantum dots used as e.g. fluorescent (closed) probe, involves carbonizing sea rice, dispersing in alkali solution, oxidizing with hydrogen peroxide, adjusting pH to neutrality, filtering, and dialyzing.

ZHENG C, LIANG Z, KANG X, WU Y, LUO X, LUO K, WEN Y

Preparing nanocomposite fluorescent hydrogel useful in fluorescence detection of metal ions in water, comprises e.g. adding mixed reactants and initiators to graphene quantum dot solution, uniformly stirring, soaking in deionized water and taking out.

CHEN J, HOU S, ZHOU Z, HUANG H, YANG Q, ZHU W, SHE X, DU J

Preparing biological sensor based on oxidation graphene and fluorescence carbon point functional DNA, comprises ultrasonically dispersing and preparing uniform solution of oxidation graphene, and preparing fluorescent carbon point.

BAO Q, GAO Y, WEI K

Preparing competitive immunosensor for fluorescence resonance energy transfer used for detecting biomarkers in human serum samples, involves using silver-doped silicon dioxide nanoparticles and nanocomposite-labeled antigen as donor, and antibody-modified gold nanoparticles as acceptor.

YU Q, LIU M

Specific fluorescent indicator sheet useful in detection of harmful substances in agricultural product, preferably pesticide, melamine, clenbuterol, and pyrrolidine, prepared by e.g. scraping indicator sheet preparation solution on support layer, and preparing surface functional layer.

SUN B, MA A, WANG J, WANG S, LIU Y, ZHU Y, HE Y

Preparing near-infrared fluorescent probe for selectively recognizing glutathione, involves subjecting pyrene to nitric acid reflux and hydrothermal reaction to obtain stock solution of aminated graphene quantum dots, filtering, dialyzing, and freeze drying.

CHEN J, CHEN H, WANG Y, YIN H, ZHAO L, WU M, XIE J

Detection of sodium formaldehyde sulfoxylate in food, involves mixing sample solution to be tested, nitrogen-doped graphene quantum dot solution and 1,4-naphthoquinone solution for reaction, measuring fluorescence intensity, and calculating fluorescence intensity ratio.

YIN J, WANG Y, LV L, YAO M, WU W

Preparing nitrogen and sulfur co-doped pH responsive graphene quantum dots used in pH value responsive reagent for selective iron detection, involves mixing carbon source compound and nitrogen and sulfur source compound, carrying out a hydrothermal reaction, centrifuging and filtering.

LI D, YAN J, ZHOU Y, LIU X

Preparing dual-photon signal amplification probe based on aptamer-modified silica-graphene quantum dots useful in specific recognition and high-sensitivity real-time imaging of CCRF-CEM target cells, comprises preparing carboxylated GQDs emitting green fluorescence and preparing nanoparticles.

ZHAO Y, LV J, LIU S, GAO Y, REN W, FAN Y, HE X, XIE K, YAN H

New FAM fluorescently labeled nucleotide aptamer useful for quantitative detection of nitrofurazone in aquatic product culture water test sample.

ZHENG X, WEN X, LE T