国家/地区 中国（11）
IPC部 B（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B032/196（11）
发明人 LI W（2） LIU X（2） LIU Y（2）
SUN X（2）
公开年 2021（3） 2016（2） 2018（2）
申请年 2016（2）  2018（2）  2021（2） 
专利权人

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 blue fluorescent graphene quantum dots with reactive red for detecting metal ion aluminum cation in aqueous solution, by placing organic dye reactive red 2 in hydrothermal reaction kettle and hydrothermal reacting.

LIU X, HUANG W, CHEN W, SHEN J

Preparing cell nucleus self-targeting fluorescent probe useful e.g. in the field of bioimaging technology comprises dispersing 1,5-diaminonaphthalene, ethanol and chloroform to obtain reaction liquid, reacting, cooling and filtering.

LI W, REN G, LIU Y, XU Y, JIANG N, SUN X

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Pinewood-based graphene quantum dot used e.g. in cell fluorescence probes, is prepared by hydrothermally carbonizing using pinewood, centrifuging and dialyzing to separate and purify graphene quantum dots, and freeze-drying solid powder.

SONG X, ZHAO S, CHAI X, LIU Z, HE H, WU M

Ultra-small blue-green double-emitting nitrogen- and chlorine-doped graphene quantum dot prepared by e.g. dissolving citric acid and 1,2,4-triaminobenzene dihydrochloride in deionized water, stirring and reacting.

YANG L, SUN X, WEI M, LIU X, LIU H, YANG W

Separating and purifying graphene quantum dots by using a molecular sieve comprises e. g. mixing the initial graphene quantum dot solution and the molecular sieve to obtain a reactant, centrifuging the reactant and adding desorbing agent.

CHEN A, LIU Y, QI P, WANG K, WANG X

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Manufacture of graphene quantum dots from carbon source, involves exposing carbon source chosen from coal, coke, biochar, and/or asphalt to solution containing oxidant, and forming graphene quantum dots.

TOUR J M, METZGER A, YE R, MANN J, TOUR J

Extraction of graphene quantum dots from coffee grounds solid waste, involves adding recovered coffee residue to dilute hydrochloric acid, stirring, carrying out ultrasonic surface activation, filtering and washing with deionized water.

LI W, PAN D, WANG L, GENG B, GUO Y