| abstract |
The present invention provides a preparation that has the same effects as those under light irradiation for a long period of time without light irradiation, and can exert such effects in a short time.nAn aspect of the present invention which does not require light irradiation and still has the same effect as that under light irradiation is characterized by comprising: composite particles formed by physically combining silver particles with titanium oxide or tungsten oxide particles, and At least one material selected from the following: (1) at least one metal or metal oxide particle other than silver selected from copper, copper oxide, nickel, zinc, tungsten, tungsten oxide, molybdenum, molybdenum oxide, (2) silver Salt, (3) Silver ions support zeolite. |