Provided are: a glass composition for wound care, which promotes a wound healing process by providing a moist environment and nutrients necessary for growth of epidermal cells, and which has bactericidal properties for preventing critical fixing of bacteria to a wound surface and infection with bacteria; and a wound covering material that uses the glass composition. The glass composition contains, by mass % in terms of oxides, 5 to 70% of SiO.sub.2, 0 to 10% of Al.sub.2O.sub.3, 5 to 40.0% of B.sub.2O.sub.3, and 1 to 50% of CaO.

Provided are: a glass composition for wound care, which promotes a wound healing process by providing a moist environment and nutrients necessary for growth of epidermal cells, and which has bactericidal properties for preventing critical fixing of bacteria to a wound surface and infection with bacteria; and a wound covering material that uses the glass composition. The glass composition contains, by mass % in terms of oxides, 5 to 70% of SiO.sub.2, 0 to 10% of Al.sub.2O.sub.3, 5 to 40.0% of B.sub.2O.sub.3, and 1 to 50% of CaO.

A solid state method of producing inorganic nanoparticles using glass is disclosed. The nanoparticles may not be formed until the glass is reacted with or degraded by contact with a fluid in vivo or in vitro.

Provided is a glass composition that exhibits greater Faraday effect than ever before. A glass composition contains 48% or more of Tb.sub.2O.sub.3 (exclusive of 48%) in % by mole.

Provided is a glass composition that exhibits greater Faraday effect than ever before. A glass composition contains 48% or more of Tb.sub.2O.sub.3 (exclusive of 48%) in % by mole.

A feed-through through a housing part of a housing, for example of a battery or a capacitor made of a metal, wherein the housing part has at least one opening, through which at least one conductor is fed in a glass or glass ceramic material, and wherein the conductor has at least two sections in the axial direction, a first section made of a first material, e.g. aluminium, and a second section made of a second material, e.g. copper, as well as a transition from the first to the second material, and wherein the transition from the first to the second material is located in the region of the glass or glass ceramic material, said glass or glass ceramic material being adapted to the metal of the housing in such a way that a compression glass-to-metal seal is formed.

A feed-through through a housing part of a housing, for example of a battery or a capacitor made of a metal, wherein the housing part has at least one opening, through which at least one conductor is fed in a glass or glass ceramic material, and wherein the conductor has at least two sections in the axial direction, a first section made of a first material, e.g. aluminium, and a second section made of a second material, e.g. copper, as well as a transition from the first to the second material, and wherein the transition from the first to the second material is located in the region of the glass or glass ceramic material, said glass or glass ceramic material being adapted to the metal of the housing in such a way that a compression glass-to-metal seal is formed.

The present invention pertains to a glass characterized by: containing 72-82% of Li.sup.+, 0-21% of Si.sup.4+, and 0-28% of B.sup.3+ in terms of cation %; and containing at least 70% and less than 100% of O.sup.2− and more than 0% and at most 30% of Cl.sup.−, containing at least 94% and less than 100% of O.sup.2− and more than 0% and at most 6% of S.sup.2−, or containing at least 64% and less than 100% of O.sup.2−, more than 0% and at most 30% of Cl.sup.−, and more than 0% and at most 6% of S.sup.2−, in terms of anion %.

The present invention pertains to a glass characterized by: containing 72-82% of Li.sup.+, 0-21% of Si.sup.4+, and 0-28% of B.sup.3+ in terms of cation %; and containing at least 70% and less than 100% of O.sup.2− and more than 0% and at most 30% of Cl.sup.−, containing at least 94% and less than 100% of O.sup.2− and more than 0% and at most 6% of S.sup.2−, or containing at least 64% and less than 100% of O.sup.2−, more than 0% and at most 30% of Cl.sup.−, and more than 0% and at most 6% of S.sup.2−, in terms of anion %.

Borate-glass biomaterials comprising: aNa.sub.2O. bCaO. cP.sub.2O.sub.5. dB.sub.2O.sub.3 wherein a is from about 1-40 wt %, b is from about 10-40 wt %, c is from about 1-40 wt %, and d is from about 35-80 wt %; and wherein the biomaterial has a surface area per mass of more than about 5 m.sup.2/g. Methods of making and uses of these biomaterials.