摘要:
This invention released a method for gas storage, characterized that gas is stored in the form of nanometer scale bubbles or gas layers on the solid-liquid surfaces. Said gas is hydrogen, the surface of the solid is planar solid surface, irregular solid surface, or porous material surface, especially highly oriented pyrolytic graphite (HOPG) surface, and the liquid is water, inorganic acid, inorganic salt, inorganic alkali, organic solution or colloid solution. The gas to be stored is produced by electrochemical method, inorganic reaction, organic reaction, biologic reaction or physical method.
摘要:
The disclosed invention provides tetrapeptides with the amino acid sequence proline-glutamine-glutamate-X (P-Q-E-X), where X can be either lysine (K) or isoleucine (I). These tetrapeptides inhibit ultraviolet light (UV)-induced expression of the pro-inflammatory cytokine interleukin-6 (IL-6) by skin epithelial cells and fibroblasts. Furthermore, the tetrapeptides repress the upregulation of matrix metalloproteinase-1 (MMP-1) by skin fibroblasts induced by either direct exposure to UV rays or treatment with media conditioned by UV-treated keratinocytes. The small size and bio-activity of the tetrapeptides render them suitable for use in therapies directed to inflammatory skin disorders and as active ingredients in skin care products.
摘要:
The present invention relates to a novel crystalline form of a Compound 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside (polydatin) and a method of preparation and use thereof, and to a pharmaceutical composition containing crystalline form I of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside. Crystalline form I of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside of the present invention has a stable crystalline morphology, a definite melting point and a good chemical stability. Such a novel form of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside possesses the properties required for the preparation of solid formulations and is easily tabletable and readily formable when formulated, which allows for substantial decrease in raw materials costs, more facile operations in production and easier control over quality in industrial drug production, and moreover, better convenience in storage.
摘要:
The invention encompasses hexapeptides consisting of alternating hydrophobic residues (B) at positions 2, 4, and 6, hydrophilic, charged residues (X) at positions 1 and 3, and a naphthylalanine (Nal), an aliphatic or aromatic residue (O) at position five, represented generally by the formula XBXBOB, which exhibit antimicrobial activity against infections caused by a variety of pathogens. These pathogens may include gram positive or negative bacteria, acid-fast bacteria such as mycobacteria, parasites, dermatophytes, or fungal pathogens. Typical fungal pathogens include Candida albicans and typical dermatophytes include Trichophyton rubrum and Trichophyton mentagrophytes. The hexapeptides of the present invention exhibit antifungal activity, antibacterial activity, desirable stability, and lack toxicity to the mammal receiving treatment.
摘要:
Short biologically active tetrapeptides are disclosed that are comprised of the sequences GxxG and PxxP where G (glycine) and P (proline) are maintained and x is a variable amino acid. The peptides can be used singly or in combination to stimulate production of extracellular matrix proteins in skin. A rapid, low-cost method of producing heterogenous formulations of tetrapeptides is disclosed.
摘要:
The present invention relates to a novel crystalline form of a Compound 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside (polydatin) and a method of preparation and use thereof, and to a pharmaceutical composition containing crystalline form I of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside. Crystalline form I of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside of the present invention has a stable crystalline morphology, a definite melting point and a good chemical stability. Such a novel form of 3,4′,5-trihydroxy-stilbene-3-β-D-glucoside possesses the properties required for the preparation of solid formulations and is easily tabletable and readily formable when formulated, which allows for substantial decrease in raw materials costs, more facile operations in production and easier control over quality in industrial drug production, and moreover, better convenience in storage.
摘要:
The invention relates to small molecules having biological and therapeutic activity. Particularly, the invention relates to small molecules having lipolytic and anti-adipogenic activity. Two examples of such molecules are 4-methyl-2-(octanoylamino) pentanoic acid and N-isopentyloctanamide. The invention further relates to methods of preventing or treating skin conditions such as cellulite using small molecules having lipolytic and anti-adipogenic activity.
摘要:
Disclosed are methods of 6-O sulfating glucosaminyl N-acetylglucosamine residues (GlcNAc) in a polysaccharide preparation and methods of converting anticoagulant-inactive heparan sulfate to anticoagulant-active heparan sulfate and substantially pure polysaccharide preparations made by such methods. Also disclosed is a mutant CHO cell which hyper-produces anticoagulant-active heparan sulfate. Methods for elucidating the sequence of activity of enzymes in a biosynthetic pathway are provided.
摘要:
Short biologically active tetrapeptides are disclosed that are comprised of the sequences GxxG and PxxP where G (glycine) and P (proline) are maintained and x is a variable amino acid. The peptides can be used singly or in combination to stimulate production of extracellular matrix proteins in skin. A rapid, low-cost method of producing heterogenous formulations of tetrapeptides is disclosed.
摘要:
The disclosed invention provides tetrapeptides with the amino acid sequence proline-glutamine-glutamate-X (P-Q-E-X), where X can be either lysine (K) or isoleucine (I). These tetrapeptides inhibit ultraviolet light (UV)-induced expression of the pro-inflammatory cytokine interleukin-6 (IL-6) by skin epithelial cells and fibroblasts. Furthermore, the tetrapeptides repress the upregulation of matrix metalloproteinase-1 (MMP-1) by skin fibroblasts induced by either direct exposure to UV rays or treatment with media conditioned by UV-treated keratinocytes. The small size and bio-activity of the tetrapeptides render them suitable for use in therapies directed to inflammatory skin disorders and as active ingredients in skin care products.