国家/地区 中国（15）
IPC部 B（15）
IPC大类 B82（15）
IPC小类 B82Y（15）
IPC C09K011/65（15）
发明人 XU M（2） ZHOU Y（2）
公开年 2022（12） 2023（3）
申请年 2022（15）
专利权人

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 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

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 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

Modified material useful in preparation of sodium ion battery cathode material, comprises amorphous carbon and carbon point and amorphous carbon source comprising at least one of e.g. animal hair, plant fiber, carbon fiber, graphene, graphite, anthracite, coke, carbon nanotube and/or urea.

QI Y, ZHANG Y, XU M

Synthetically fluorescent nanoprobes based on glutathione comprises dispersing graphene quantum dots-carboxylic acids, adding 1-(3-dimethy laminopropyl)-3-ethylcarbodiimide hydrochloride to dispersion, stirring, adding N-hydroxysuccinimide, stirring, adding GSH, adjusting pH, stirring and dialyzing.

LUO Y, LIAO B, XU M

Preparing graphene quantum dot comprises e.g. dissolving Congo red in deionized water to obtain Congo red aqueous solution, flashing aluminum hydroxide to obtain activated alumina, adding activated alumina to Congo red aqueous solution, mixing, and placing mixed sample in oven for drying.

ZU H, SHEN Z, DONG L

Banyan leaves-carbon quantum dots fluorescent probe for use in angiotensin converting enzyme activity, comprises taking ficus microcarpa leaves, and obtaining carbon quantum dots through extraction and carbonization, and carbon quantum dots have graphene-like structure.

MAO H, XUE M, ZHAN Z

Preparation method of nitrogen-zinc co-doped graphene quantum dots, involves ultrasonically mixing GO powder and L-cysteine in water, and performing high-temperature heating reaction to obtain supernatant.

JIANG R, LIU M