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Intranasal Administration of Ketamine to Treat Depression

ActiveUS20070287753A1Readily and inexpensivelyAdverse effectBiocideOrganic active ingredientsChronic depressive disorderDepressive symptoms
Methods and compositions for the treatment of treatment-resistant depression are described. More specifically, the invention demonstrates that intranasal administration of ketamine is effective to ameliorate the symptoms of depression in a patient who has not responded to an adequate trial of one antidepressant in the current episode and has recurrent or chronic depressive symptoms (>2 years).
Owner:YALE UNIV +2

Cross partition sharing of state information

A method and system are disclosed for managing saved process states in a memory of a data processing system that has multiple partitions executing independent operating systems. A hypervisor manager affords access to any processor in the data processing system for the purpose of storing process states for that processor to the memory, independent of the operating system running on the processor.
Owner:IBM CORP

Co-delivery nano-carrier of drug and gene, preparation method and application thereof

The invention discloses a co-delivery nano-carrier of drugs and genes, a preparation method and an application thereof; and particularly relates to a co-delivery nano-carrier TCPL-siRNA-PPX which can carry a chemotherapeutic drug and a genetic drug simultaneously. The drug delivery system is composed of a polymer prodrug carrier TCPL, siRNA and a multifunctional polyanionic polyer PPX through electrostatic adsorption among the components in a self-assembly manner. The co-delivery nano-carrier can achieve targetedly delivery of the drug and the gene to the same tumor cell, release the siRNA at the cytoplasm, silence Bcl-2 protein, promote apotosis and relieve inhibition of the Bcl-2 on lonidamine, and can deliver the chemotherapeutic drug, lonidamine, which is mitochondrion-acted to mitochondria so that the chemotherapeutic drug and the gene can synergistically trigger the apotosis of a mitochondrial pathway and kill tumor cells cooperatively. Through in-vivo and in-vitro activity evaluation, the drug delivery system is proved to be better than drug delivery carriers which deliver single components respectively at the same time, can significantly improve the anti-cancer activity of the drug and the gene and has a definite synergistic treatment effect.
Owner:CHINA PHARM UNIV

Ternary complex nanometer system and preparation method and application thereof

The invention discloses a ternary complex nanometer system and a preparation method and application thereof. The system comprises an iron compound, a benzene-ring-containing micromolecule antineoplastic active compound and a polyphenol compound; a weight ratio of the iron compound to the benzene-ring-containing micromolecule antineoplastic active compound to the polyphenol compound is (1 to 4):(2to 10):(5 to 20). Relative to the prior art, according to the invention, different micromolecule compounds or medicines can be stably assembled only by a physical assembling means; the formed complexnanometer medicine not only has an antineoplastic treatment effect of the micromolecule antineoplastic active compound, but also has a ferroptosis treatment effect that the iron compound reacts with the polyphenol compound are mediated on the basis of an intracellular Fenton reaction; moreover, the novel complex nanometer medicine formed by the preparation method disclosed by the invention furtherhas an outstanding photothermal effect; chemotherapy, ferroptosis treatment and photothermal therapy can be integrated into one whole body, take a synergistic effect, beneficiate each other and achieve an all-in-one combined antineoplastic treatment effect.
Owner:CHINA PHARM UNIV

Gold-gadolinium composite nano material as well as preparation method and application of gold-gadolinium composite nano material

The invention relates to a gold-gadolinium composite nano material as well as a preparation method and application of the gold-gadolinium composite nano material. The gold-gadolinium composite nano material provided by the invention comprises an inner core of a gold nano rod modified by silicon dioxide, and a gadolinium-containing silicon dioxide layer covering the outer side of the inner core. The gold-gadolinium composite nano material is high in gadolinium contain and each nano particle contains 1.5*10<6> Gd ions; the gold-gadolinium composite nano material is good in imaging effect and small in toxic side effect and can be used for loading a plurality of types of drugs and probe molecules, and target molecules can be adsorbed on the surface of the gold-gadolinium composite nano material, so that the drugs and the molecules can be efficiently transported to focus parts and multifunctional diagnosis and treatment can be realized. After the gold-gadolinium composite nano material is used as a carrier for loading the drugs, the gold-gadolinium composite nano material has the synergistic effect of thermal therapy and chemical therapy under laser irradiation in a treatment process of tumor-bearing mice, so that the growth of tumors is effectively inhibited; the gold-gadolinium composite nano material has multiple imaging functions including CT (Computed Tomography), MRI (Magnetic Resonance Imaging), photo-acoustic imaging and the like, and is suitable for being applied to complicated need tumor diagnosis and treatment.
Owner:THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA

Preparation method of targeting and photo-thermal integrated erythrocyte bionic nanoparticles

The invention relates to the field of pharmacy and provides a preparation method of targeting and photo-thermal integrated erythrocyte bionic nanoparticles. The method comprises the following steps: firstly, extracting erythrocyte membranes, then loading indocyanine green to a polylactic acid-hydroxyl acetic acid solution, burying adriamycin amycin to the system, and preparing an indocyanine greenpolylactic acid-hydroxyl acetic acid solution buried with adriamycin amycin through a secondary emulsification-solvent evaporation method; then carrying out a reaction on folic chitosan oligosaccharide and the indocyanine green polylactic acid-hydroxyl acetic acid solution to obtain an adriamycin amycin-folic chitosan oligosaccharide-indocyanine green-polylactic acid-hydroxyl acetic acid solution; and finally, extruding the adriamycin amycin-folic chitosan oligosaccharide-indocyanine green-polylactic acid-hydroxyl acetic acid solution into the erythrocyte membranes to obtain the erythrocyte bionic nanoparticles.
Owner:ZHEJIANG SCI-TECH UNIV
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