摘要:
1,4-dihydropyridine derivatives represented by the following general formula, ##STR1## in which R.sup.3 is a combination of an unsaturated straight chain hydrocarbon group or derivative thereof connected by a single bond with an unsaturated hydrocarbon group or derivative thereof so that the unsaturated carbon atoms of the two groups are in conjugated relationship. These compounds have a hypotensive action the effective time of which is long, which makes the blood pressure descend slowly, and the toxicity of which is low.
摘要:
A method of measuring a biological ligand comprises allowing to coexist a biologically active composition comprising an immobilization phase of a particular antibody or a particular ligand and an immobilization phase of a biotinyl enzyme or a biotinyl enzyme inhibitor, a water-soluble conjugate of the ligand or the antibody and the biotinyl enzyme inhibitor or the biotinyl enzyme, and the ligand to be measured in an aqueous solution, and measuring the remaining biotinyl enzyme activity or the biotinyl enzyme inhibitory activity. This method is highly sensitive and specific, and it is suitable as a clinical test for the determination of physiological substances and trace components in humoral fluid.
摘要:
This method of measuring membrane fusions between liposomes made of phospholipid is characterized by the combination of ionophores, fluorescent dyes sensitive to the membrane potential (interior negative) and porins which are the pore-forming membrane proteins. By this method, the extent of liposome fusion can be determined easily and accurately.
摘要:
A method of preparing gamma globulin suitable for intravenous administration comprising a first step of treating a supernatant liquid separated from human blood plasma with ethanol under conditions of a pH of 5.5 to 6.5, an ethanol concentration of 30 to 35%, and a protein concentration of 1 to 2% by weight.
摘要:
Derivatives of hippuryl-L-phenylalanine having the following general formula: ##STR1## wherein X represents OH or CH.sub.3 O useful as substrates for measuring the actively of carboxy peptidose A.
摘要翻译:具有以下通式的马尿酰-L-苯丙氨酸的衍生物:其中X表示可用作测量羧基肽酶A活性的底物的OH或CH 3 O.
摘要:
A cyclic amide derivative of formula (I): ##STR1## wherein R.sup.1 represents a substituted alkyl group, a substituted alkenyl group, a substituted amino group, a substituted alkoxyl group, a substituted alkylthio group, a substituted carbamoyl group, a substituted sulfonamide group or a substituted amide group; the ring A represents a saturated cyclic alkyl group with 5 to 7 carbon atoms or a hetero-atom-containing saturated heterocyclic group with 3 to 6 carbon atoms; R.sup.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group; R.sup.3 represents a hydrogen atom, a group represented by the general formula R.sup.4 O-- or a group represented by the general formula R.sup.5 (R.sup.6)N-- wherein R.sup.4 represents hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group; R.sup.5 and R.sup.6 may be the same or different and each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted heterocyclic group.The cyclic amide derivative of formula (I) have a strong and selective inhibitory action of a cathepsin K and a clinical efficacy when administered orally.
摘要翻译:式(I)的环状酰胺衍生物:其中R1表示取代的烷基,取代的烯基,取代的氨基,取代的烷氧基,取代的烷硫基,取代的氨基甲酰基,取代的磺酰胺基或取代的 酰胺基; 环A表示碳原子数5〜7的饱和环状烷基或碳原子数3〜6的含杂原子的饱和杂环基; R 2表示氢原子,取代或未取代的烷基,取代或未取代的芳香族烃基或取代或未取代的杂环基; R3表示氢原子,由通式R4O表示的基团或由通式R5(R6)表示的基团N-,其中R4表示氢原子,取代或未取代的烷基,取代或未取代的芳族烃基或 取代或未取代的杂环基; R 5和R 6可以相同或不同,各自表示氢原子,取代或未取代的烷基,取代或未取代的芳香族烃基或取代或未取代的杂环基。 式(I)的环状酰胺衍生物在口服给药时具有组织蛋白酶K的强烈和选择性抑制作用和临床疗效。
摘要:
A method of measuring lipid-bound sialic acid (LSA) which comprises, mixing a LSA separating agent comprising a polar solvent with a sample containing LSA and other sialic acid(s), separating the precipitate formed to obtain a supernatant, and measuring the sialic acid concentration of said supernatant by using an enzyme capable of acting on sialic acid in a lipid-bound state. When a sample is treated with the LSA separating agent comprising a polar solvent, various components in the sample such as protein-bound sialic acid and proteinous substances precipitate while the desired lipid-bound sialic acid remains in the supernatent. Accordingly, by measuring sialic acid concentration of the supernatent, LSA concentration of the sample is easily determined. The method of the invention is simple and superior in reproducibility. The method of the invention is suitable for treating a large number of samples, and it can easily by automated. This method is suitable as a screening test for cancer.
摘要:
An apparatus for judging an agglutination has a transparent plate stand 5 for supporting a microplate 7 and perforated with positioning openings 9 for centering of each well 8 of the microplate. A light source and TV camera 12 are disposed above the microplate, an image memory 13 stores the output of the camera, a processor 15 differentiates the stored image to determine its profile, and the picture elements of the differentiated image having intensity levels larger than zero are counted. A calculator 17 produces coefficients of variation, which are plotted against the image profile and compared with a reference value to remove contrast irregularities.
摘要:
A magnetic particulate comprising gelatin, water-soluble polysaccharide, sodium polymetaphosphate and ferromagnetic substance, which is used as a carrier for immobilization of biological proteins such as antigens, antibodies or enzymes, and a process of producing the magnetic particulate.