6607 results about "Glutamic acid" patented technology

The invention relates to polypeptide conjugates comprising a polypeptide exhibiting G-CSF activity and having an amino acid sequence that differs from the amino acid sequence of human G-CSF in at least one specified introduced and / or removed amino acid residue comprising an attachment group for a non-polypeptide moiety, and having at least one non-polypeptide moiety attached to an attachment group of the polypeptide. The attachment group may e.g. be a lysine, cysteine, aspartic acid or glutamic acid residue or a glycosylation site, and the non-polypeptide moiety may e.g. be a polymer such as polyethylene glycol or an oligosaccharide. The conjugate, which has a reduced in vitro bioactivity compared to hG-CSF, has one or more improved properties such as increased biological half-life and increased stimulation of neutrophils.

The present invention provides a bacterium which has an ability to produce a useful metabolite derived from acetyl-coenzyme A, such as L-glutamic acid, L-glutamine, L-proline, L-arginine, L-leucine, L-cysteine, succinate, and polyhydroxybutyrate, wherein said bacterium is modified so that activities of D-xylulose-5-phosphate phosphoketolase and / or fructose-6-phosphate phosphoketolase are enhanced. The present invention also provides a method for producing the useful metabolite using the bacterium.

A method of thermally processing a tobacco material is provided, the method including the steps of (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof, to form a moist tobacco mixture; (ii) heating the moist tobacco mixture at a temperature of at least about 60° C. to form a heat-treated tobacco mixture; and (iii) incorporating the heat-treated tobacco mixture into a tobacco product. Heat-treated tobacco composition prepared according to the method are also provided, such as heat-treated smokeless tobacco composition comprising a tobacco material, water, flavorant, binder, and filler, the heat-treated smokeless tobacco composition having an acrylamide content of less than about 2000 ppb.

The invention discloses a chewable composition for oral delivery of bioactive agents having nanoparticles that are composed of chitosan, poly-glutamic acid, and at least one protein drug or bioactive agent characterized with a positive surface charge and their enhanced permeability for paracellular protein drug and bioactive agent delivery.

Tocol-based compositions of charged amphiphilic and water soluble pharmaceutically active compounds or their charged precursors are prepared by forming a tocol-soluble ion pair with an oppositely charged ion-pair forming compound capable of forming a tocol-soluble ion-pair with the active compound.Also disclosed are novel compounds tocopherolsuccinate-aspartate and tocopherolsuccinate-glutamate, which are useful as ion-pair forming compounds.

A method of thermally processing a tobacco material is provided, the method including the steps of (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof, to form a moist tobacco mixture; (ii) heating the moist tobacco mixture at a temperature of at least about 60° C. to form a heat-treated tobacco mixture; and (iii) incorporating the heat-treated tobacco mixture into a tobacco product. Heat-treated tobacco composition prepared according to the method are also provided, such as heat-treated smokeless tobacco composition comprising a tobacco material, water, flavorant, binder, and filler, the heat-treated smokeless tobacco composition having an acrylamide content of less than about 2000 ppb.

This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by Formula I: ##STR1## or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R.sub.1, R.sub.21, R.sub.22 and R.sub.23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl; or R.sub.22 and R.sub.23, together with the N, form a heterocycle; A.sub.1 and A.sub.2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR.sub.24, CR.sub.25 R.sub.26, C(O), NR.sub.24 C(O), C(O)NR.sub.24, SO, SO.sub.2 or a covalent bond; where R.sub.24, R.sub.25 and R.sub.26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl. The invention also is directed to the use of carbocycle and heterocycle substituted semicarbazones and thiosemicarbazones for the treatment of neuronal damage following global and focal ischemia, for the treatment or prevention of neurodegenerative conditions such as amyotrophic lateral sclerosis (ALS), for the treatment and prevention of otoneurotoxicity and eye diseases involving glutamate toxicity and for the treatment, prevention or amelioration of pain, as anticonvulsants, and as antimanic depressants, as local anesthetics, as antiarrhythmics and for the treatment or prevention of diabetic neuropathy and urinary incontinence.

A method of preparing a tobacco material for use in a smoking article is provided, including (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof; (ii) heating the mixture; and (iii) incorporating the heat-treated mixture into a smoking article as a smokable material. A smoking article in the form of a cigarette is also provided that includes a tobacco material pre-treated to inhibit reaction of asparagine to form acrylamide in mainstream smoke. Upon smoking, the smoking article is characterized by an acrylamide content of mainstream smoke that is reduced relative to an untreated control smoking article.

The invention discloses particulate complexes composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network enabling improved loading the bioactive agent.

PCT No. PCT / JP96 / 02503 Sec. 371 Date Mar. 2, 1998 Sec. 102(e) Date Mar. 2, 1998 PCT Filed Sep. 4, 1996 PCT Pub. No. WO97 / 08946 PCT Pub. Date Mar. 13, 1997The present invention aims to provide a medium composition for in vitro fertilization, in particular, a composition usable in the culture of ova or early embryos which are fertilized eggs, the preparation or culture of sperm, and the pre-treatment of ova or sperm. The composition comprises, as its essential components, L-phenylalanine, L-tryptophan, L-lysine, L-threonine, L-valine, L-methionine, L-isoleucine, L-leucine, L-proline, glycine, L-alanine, L-tyrosine, L-histidine, L-arginine, L-taurine, L-aspartic acid, L-serine, L-asparagine, L-glutamic acid, L-glutamine and L-cystine, provided that at least a part of the L-cystine may be replaced by L-cysteine.

This invention pertains to novel methods for the synthesis of certain nitrogen mustard prodrugs, such as N-{4-[N,N-bis(2-haloethylamino)-phenoxycarbonyl}-L-glutamic acid: wherein: X2 is a halo group, and is —F, —Cl, —Br, or —I; n is an integer from 0 to 4; and, each RA is an aryl substituent. The methods comprise, at least, the steps of: glutamate conjugation (GC); silyloxy deprotection (SD); and, sulfonic esterification (SU). Certain preferred methods comprise the steps of: amine substitution (AS); silyloxy protection (SP); phenolic deprotection (PD); activation (AC); glutamate conjugation (GC); silyloxy deprotection (SD); sulfonic estenfication (SU); halogenation (HL); glutamate deprotection (GD); and glutamic acid protection (GP).