国家/地区 中国（13）
IPC部 C（13）
IPC大类 G01（13） C09（8） B82（6）
C01（3） C08（3） C12（3）
IPC小类 G01N（13）
IPC G01N021/64（13）
发明人 CHEN J（2） LIU X（2） WANG C（2）
WANG Y（2）
公开年 2023（13）
申请年 2022（10）  2023（3） 
专利权人

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

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

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

Fluorescent sensing array detection platform for various plasticizers comprises N,N-dimethylformamide as boron-doped graphene quantum dots solution of solvent and boron-doped graphene quantum dot solution using cyclohexane as solvent.

LUO H, CHEN S, HUO D, LIU X, HOU C, LIU H

Liquid biopsy for ovarian cancer based on graphene nano-sensor by e.g. collecting and detecting blood of patient, using improved Hummers method to prepare oxidation graphene, and adding buffer solution and graphene oxide solution to ovarian tissue to prepare solution for fluorescent measurement.

GUO Y, HAN L, CHEN Y, WAN Q, ZHENG A

New nitrogen-copper doped graphene compound used as quantum dots for detecting quercetin and tetracycline antibiotics including doxycycline.

HU H, WANG L, WANG Y, LI X, GUO G, TANG S, WANG C, CHENG J, CHEN D, LI T