Magnetic nanometer gene vector system as well as preparation method and application thereof

The invention discloses a magnetic nanometer gene vector system as well as a preparation method and an application thereof. The gene vector system comprises electronegative magnetic nanoparticles, positive-ion vectors and genes, wherein the three components are prepared into the magnetic nanometer g...

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Bibliographic Details
Main Authors HE YIYAN, JIANG QIAN, JIANG WEN, GU ZHONGWEI, NIE YU, LIU KEXIA, XIE LI, YUE DONG
Format Patent
LanguageChinese
English
Published 21.08.2013
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:The invention discloses a magnetic nanometer gene vector system as well as a preparation method and an application thereof. The gene vector system comprises electronegative magnetic nanoparticles, positive-ion vectors and genes, wherein the three components are prepared into the magnetic nanometer gene vector system according to certain proportions and composite sequences through electrostatic interactions. The magnetic nanometer gene vector system disclosed by the invention is simple in preparation method and has physicochemical properties of small grain diameter and proper surface charge. Compared with non-magnetic nanometer composites, the magnetic nanometer gene vector system has the advantages that the transfection efficiency to cells of the system is remarkably improved under the action of an additional magnetic field; and meanwhile, the cytotoxicity of the system is further reduced.
Bibliography:Application Number: CN20131184988