Abstract: A perfluoroether compound having the following formula is useful as a thermostable, inert solvent and inter alia as an oxygen carrier in an artificial blood or infusion fluid. ##STR1## wherein Rf.sub.1 and Rf.sub.2 are different from each other and are selected from the group of a C.sub.1 or C.sub.3 perfluoroalkyl group which may be interrupted by an oxygen atom, and a C.sub.5 -C.sub.7 perfluorocycloalkyl group, and n and n' are zero or an integer of 1; one of Rf.sub.1 and Rf.sub.2 being the C.sub.5 -C.sub.7 perfluorocycloalkyl group and the total number of carbon atoms being 9-11 inclusive.

Abstract: A novel compound of the formula, ##STR1## wherein k is zero or an integer of 1 to 2, j is an integer of from 1 to 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Abstract: A novel compound of the formula, ##STR1## wherein k is zero or an integer of 1 to 2, j is an integer of from 1 or 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Abstract: A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group(s) and m and n each represent 3 or 4.

Abstract: A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group(s) and m and n each represent 3 or 4.

Abstract: A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group (s) and m and n each represent 3 or 4.

Abstract: A novel compound of the formula, ##STR1## wherein R denotes a lower perfluoroalkyl group l is an integer of 3 or 4, n+m is an integer of 2 or 3, provided that n may be zero, and at least one of ring A and ring B may be substituted by a lower perfluoroalkyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Abstract: Benzodiazepine derivative represented by the following general formula or pharmaceutically acceptable salt thereof: ##STR1## wherein R.sup.1 is --COR.sup.4 (R.sup.4 is a carboxylic acid residue) or an alkyl or aralkyl group (these groups have a substituent selected from a carboxyl group, an amino group and a cyano group), R.sup.2 is a lower alkyl group and R.sup.3 is a hydrogen atom or a lower alkyl group.The above compound is low in toxicity and has an antitumor activity.

Abstract: Physiologically active substances such as antibiotics can preferentially be carried to a morbid part, for example, injured tissue and neoplastic cell proliferation site by administering its complex with fibronectin to repair the morbid part. The complex is prepared by the reaction between the physiologically active substance and the fibronectin with or without intervention of a protein cross-linking agent.

Abstract: A novel compound of the formula, ##STR1## wherein k is zero or an integer of 1 to 2, j is an integer of from 1 to 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Abstract: A perfluorotricyclic amine compound which is usable as an oxygen carrier in an artificial blood, represented by the general formula ##STR1## wherein R denotes a perfluoroalkyl group having 1-4 carbon atoms; the ring A denotes a five- or six-membered ring, the ring B denotes a five-, six- or seven-membered ring, the ring C denotes a five- or six-membered ring any one of the rings A, B and C optionary being substituted by one or more lower perfluoroalkyl group in addition to the above-mentioned substituent R; and further f, g, h, i, j and k denote integers appropriately selected to construct the above-mentioned size of rings A, B, and C; is prepared by reacting the corresponding perhydrotricyclic amine with fluorine.

Abstract: Perfluorocycloamines represented by the general formula: ##STR1## wherein either or both of ring A and ring B may be substituted with lower perfluoroalkyl group(s), m and n are independently 4, 5, or 6 and Z is a perfluoroalkylene group or a mere bond.

Abstract: A novel compound of the formula, ##STR1## wherein k, j, l and m are zero or an integer of from 1 to 3, and n is an integer of from 1 to 3, the rings A, B and C being optionally substituted with at least one trifluoromethyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Abstract: A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group(s) and m and n each represent 3 or 4.

Abstract: Interferon can be recovered simply by contacting an aqueous solution containing interferon which is induced and produced from cells of human origin capable of producing interferon, with a siliceous substance to adsorb interferon on it and eluting the adsorbed interferon with an aqueous solution containing a nonionic surfactant, preferably further containing an acriflavine such as acrinol.

Abstract: A fat emulsion for injection containing prostaglandin E.sub.1 which has a vasodilative action as well as a hypotensive action and a method for the production of such an emulsion. The present emulsion is effective in treating chronic arteriostenosis diseases.

Abstract: Human blood coagulation factor VIII which may have hepatitis virus activity can be virus-inactivated with keeping at a minimum the damage of the factor VIII by heating its aqueous solution at 50.degree. to 80.degree. C. for 3 to 15 hours in the presence of 10% (W/V) or more of at least one principal stabilizer of neutral amino acids, monosaccharides, oligosaccharides, and sugar alcohols and 10% (W/V) or more of at least one auxiliary stabilizer of salts of hydrocarbon and hydroxyhydrocarbon carboxylic acids having 3 to 10 carbon atoms.

Abstract: Complexes of albumin combined with organic dibasic acid half esters, such as those of succinic acid and phthalic acid, of 7-hydroxycholesterol are soluble in water and have excellent immunosuppressive and anti-inflammatory action.

Abstract: A perfluorobicyclo compound emulsion preparation having oxygen carrying ability containing a perfluorobicyclo compound of the general formula: ##STR1## wherein R represents a perfluoromethyl group or perfluoroethyl group, as an oxygen carrying component.

Abstract: A perfluorocycloamine emulsion preparation having oxygen carrying ability containing a perfluorocycloamine of the general formula: ##STR1## wherein any position may optionally be substituted with a perfluoromethyl group as an oxygen carrying component.