国家/地区 中国（19）
IPC部 B（20）
IPC大类 B82（20）
IPC小类 B82Y（20） C09K（20） C01B（12）
G01N（11） A61K（2）
IPC B82Y020/00（20）
发明人 ZHOU Y（3） CAI J（2） LI D（2）
LIU X（2） WANG Y（2） YAN J（2）
公开年 2022（15） 2023（5）
申请年 2022（20）
专利权人 UNIV CHINA T.（2）

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

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

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

Low infrared emissivity carbon-based composite film prepared by suction filtration of graphene oxide-silver nanoparticle composite material composed of graphene oxide carbon-based framework and silver nanoparticles grown on the carbon-based framework.

GUO S, ZHOU Z, FENG G, JI G, MA J, TAN S

Preparing fluorescent sensor used for detecting Angelica organophosphorus pesticide residue, comprises e.g. mixing citric acid and glutathione, diluting glutathione functionalized graphene quantum dots mother liquor, and adding ferric chloride, Tris-hydrochloric acid buffer solution and phytic acid.

MU X, WANG Y

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Preparing poly(vinylidene fluoride-co-trifluoroethylene) composite film with controllable fluorescent used in multifunctional sensors, comprises mixing poly(vinylidene fluoride-co-trifluoroethylene) powder and rare earth ion co-doped beta-sodium yttrium fluoride nanoparticles and spin-coating.

HAN G, LIU K, CHEN R, REN Z, SHI J, ZHOU D

Preparing graphene quantum dot airgel derived porous carbon useful for preparing supercapacitor electrodes, comprises e.g. adding coal powder to mixed acid solution, heating mixed solution and under condition of heat preservation, and adding pore-forming agent under stirring conditions.

WU H, XIAO R, XIONG L, XIE Y, DU X

Blue light perovskite nano-crystal doped with copper ions used in photoelectric conversion material applications.

HAO Z, CHEN Q, CAI J