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Fujifilm Co., Ltd. announced that the company has newly developed the world's first "antibacterial/anti-virus multi-functional biological filter cartridge", which is expected to be commercialized in 2009.
High-density filter cores, which are generally used in air purification devices, can only capture droplets containing bacteria or viruses, and their infectivity can be reduced. However, after the droplets are dried, the droplets are released into the air and continue to pollute the air environment. Fujifilm's "antibacterial/anti-virus multi-functional biological filter cartridge" developed this time can completely inactivate bacteria or viruses. Fujifilm hopes this unique product can be applied to air purification systems, home air conditioners, and commercial air conditioners. In the system, to meet the needs of hospitals and nursing facilities to control in-hospital infections, it contributes to “creating a comfortable environmentâ€.
Established in 1934, Fujifilm has a history of more than 70 years in the study of "silver", an important chemical element in photosensitive materials. This time, Fujifilm used its unique technology accumulated in the “high-sensitivity photo technology†to precisely control the shape and surface structure of photo silver salt particles, and combined it with cutting-edge fine organic synthesis technology and nanoparticle generation. The high-activity organic silver particles developed by the technology have expanded the effective area that is hard to agglomerate as much as possible, so that silver ions having a high antibacterial effect are effectively released and the bacteria lose their activity. The pioneering significance of this move is that it has made a dramatic increase in the antibacterial properties of silver, which has been widely used as an antibacterial material. For example, in an experiment where the Fujifilm laboratory performed multiple measurements of antibacterial effects, zeolite silver, which is commonly used as a silver antibacterial material, is hardly effective against harmful bacteria such as Aspergillus niger, whereas organic silver particles have Very high antibacterial effect.
Fujifilm's "anti-virus filter cartridge" uses antibodies that inactivate influenza virus. This antibody has been proved to be effective in inhibiting the "H5N1 bird flu virus" that still has an outbreak and the A/B human influenza virus that will erupt every year. The technology for low-cost production of this antibody was developed by Prof. Kenji Sakamoto of Kyoto Prefectural University, and Fuji Photo Film Co., Ltd. was the first company in the world to apply it to filter cartridges.
"Antibacterial and anti-virus multi-functional biological filter" belongs to Fujifilm Medical/Life Sciences business. Fujifilm's mid-term business plan “VISOION 75†is regarded as a “medical/life science business†for its key development business. It currently includes digital medical imaging, analog medical imaging, biochemical testers, animal hospital equipment, and electronic endoscopes. Ultrasound image diagnosis systems, medical professional photography and recording systems, radiotherapy drugs, nucleic acid extraction systems, life science imaging systems, affinity precipitation systems, and other research and development and production, has comprehensively covered the medical "prevention - diagnosis - treatment "All aspects and are moving towards the goal of comprehensive health care professionals. "Anti-bacterial and anti-virus multi-functional biological filter" is a product of its prevention. In the future, FUJIFILM will continue to provide the most suitable solutions in the medical/life science field with its high technology and rich experience, and will strive to further improve people's quality of life.
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