国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC G01N021/64（12）
发明人 LIU X（3） CHEN W（2） DING G（2）
SHEN J（2） YANG S（2）
公开年 2021（8） 2022（4）
申请年 2021（12）
专利权人 SHANGHAI INS.（2） UNIV CHINA T.（2）

Graphene fluorescent nanomaterial used in biological imaging agent, is obtained by dispersing graphene, adding N-hydroxysuccinimide and N,N-dimethyl dodecylamine, activating, adding activated graphene to iron salt, ethylene glycol, nitric acid and sulfuric acid and reacting at high temperature.

HUA M, PAN J, FANG Y

New kit based on nitrogen-doped carbon fluorescent quantum dot comprising carbon nitrogen fluorescent quantum dot solution composed of carbon-nitrogen fluorescent quantum dot and solvent, and buffer solution useful for detecting tumor cell.

FAN X, DING G, ZHOU H, YANG S, LI J

Preparing aqueous high-efficiency green light-emitting graphene quantum dot used in cell imaging, comprises e.g. adding graphene flakes to concentrated sulfuric acid, freeze-drying graphene oxide precipitation, ultrasonically processing graphene oxide suspension and cooling to room temperature.

GUO L, PAN Y, HUO X, RAN X

Preparing apricot shell-based nitrogen-doped graphene quantum dot useful for fluorescence detection of vitamin C, comprises crushing apricot shells, soaking in zinc chloride solution, subjecting to high-temperature activation treatment, placing in concentrated nitric acid, heating, and filtering.

ZHOU S, XU H

Preparing nitrogen-doped carbon quantum dots used in metal probes, photoelectrocatalysis and bioimaging, involves dispersing urea, sodium citrate and graphene oxide in water and mixing them into uniform and clear liquid.

HUANG Q, LIU X, LIAO H, GAO H, GONG S

Synthesizing nitrogen-doped graphene quantum dot useful for detecting mercuric cation in water, comprises e.g. mixing aqueous ammonia with citric acid solution in reaction kettle, reacting and dialyzing synthetic liquid.

LI P

Water-soluble columnarene modified amphiphilic graphene quantum dot useful for cell imaging and biosensing, comprises amphiphilic graphene quantum dots and water-soluble columnarene combined by hydrophobic and electrostatic interactions.

ZHENG Y, ZOU H, LIU B

Paramagnetic chiral graphene quantum dot useful for monitoring interaction between chiral molecules, comprises e.g. chiral graphene quantum dots and chelating agent form covalent bond through mutual functional group reaction.

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

Preparing fluorescent graphene quantum dots used for organic dye preparation, such as methylene blue and reactive blue 19, involves placing organic dye orange yellow in hydrothermal reaction kettle, and performing hydrothermal reaction.

LIU X, SHEN J, CHEN W

Benzopyrene modified G-quadruplex fluorescent probe useful for detecting thrombin, comprises reduced graphene oxide and benzopyrene modified G-quadruplex DNA sequence adsorbed on surface of reduced graphene oxide.

XIONG H, ZHAO L