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Request for information related to broadcast network content

A request for information (RFI) system is provided for use in communications networks including broadcast networks and the internet. In one implementation, a viewer of a cable television network enters an RFI input (1) to a digital set top box using a user remote. Based on this RFI input, the digital set top box transmits a data request (2) to an RFI data center. The RFI data center also receives asset data (3) from an asset database so as to associate the RFI input (1) with a particular asset. An RFI request (4) can then be transmitted to the appropriate asset provider. The asset provider can then provide a report such package of assets or follow-on information (5) back to the RFI data center. The RFI data center may then, in turn, provide the package of assets or follow-on information to a user data terminal, for example, of the cable television network viewer, via access through a web-portal or e-mail (6). The digital set top box may also record inputs from the user to verify consumption of assets and track data requests. Using this information, the RFI data center or an RFI platform may credit value to a rewards account established for the network user based on the user's verified consumption of assets and / or data requests. Further, the RFI data center or RFI platform may be used to collect consumer behavior information, including purchasing decisions made by the user after consumption of assets, and correlate the consumer behavior information with the user's verified asset consumption.
Owner:INVIDI TECH CORP

Preparation method of difunctional mesoporous silicon ball composite targeted drug delivery system

InactiveCN106512023AMagnetic hyperthermia realizationMagnetic nanoparticles for magnetic hyperthermiaOrganic active ingredientsEnergy modified materialsLinkage conceptMedicine
The invention relates to a preparation method of a difunctional mesoporous silicon ball composite targeted drug delivery system, and belongs to the field of nanobiomedicine. The method comprises the steps that a coprecipitation method is adopted for preparing superpara magnetism Fe3O4 nanoparticles, then, hexadecyl trimethyl ammonium bromide is used as a template, a photosensitizer is doped, accordingly, the surfaces of the magnetic nanoparticles and the photosensitizer are wrapped by a layer of mesoporous silica, covalent linkage and physical absorption of anti-cancer medicine are achieved, finally, surface modification is carried out through folic acid and hyaluronic acid, and the difunctional mesoporous silicon ball composite targeted drug delivery system is obtained. According to the system, multiple effects of nuclear magnetism radiography, fluorescence imaging, magnetic hyperthermia, photoactive therapy and chemotherapy are integrated, diagnosis and treatment are integrated, magnetic targeting and FA/HA dual receptor-mediated targeting effect can more effectively enhance the targeting combination of the medicine and tumor cells, the effective concentration of the medicine in the tumor parts is improved, effect enhancement and toxicity reduction are achieved, the killability for the cancer cells is enhanced through dual drug loading, and the treatment effect on tumors is remarkably improved. The product obtained through the preparation method has a quite large application prospect in the field of medicine control release.
Owner:WUHAN UNIV OF TECH
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