Abstract: Disclosed are a pharmaceutical composition, cosmetic product, and food or drink product each comprising a porous ceramic obtained by combustion synthesis of a starting material comprising (1) titanium and (2) at least one member selected from the group consisting of carbon, boron, nitrogen, and silicon; a pharmaceutical composition and cosmetic product each comprising a radical- and nanobubble-containing liquid; and a blood treatment device comprising a blood flow channel for extracorporeal circulation of a patient's blood, the blood flow channel being provided with the porous ceramic above, and the porous ceramic and the blood are brought into contact with each other.

Abstract: The present invention provides a method for efficiently producing an intermetallic compound porous material. Specifically, the invention provides a porous material production method comprising molding a mixed powder of at least two inorganic powders and performing a combustion synthesis reaction of the resulting molded mixed powder; wherein (1) the porous material contains an intermetallic compound, (2) the intermetallic compound has a three-dimensional network skeletal structure, and (3) the porous material has a relative density of not more than about 80%.

Abstract: The present invention provides a device for efficiently heating gas. Specifically, the invention provides a gas heating device for heating a gas by bringing the gas into contact with a heating element, wherein: (1) a plurality of heating elements are provided in a container having at least one gas inlet and at least one gas outlet; (2) an induction coil for electromagnetic induction heating is provided on the periphery of the container; and (3) (a) the heating elements are columnar in shape, and (b) each columnar heating element is provided such that the longitudinal direction of the columnar heating element is parallel to the longitudinal direction of the container.