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Silicatos de bismuto luminiscentes

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOIT20170321003
Publicado:
24/03/2017
Caducidad:
24/03/2018
Resumen:
Una universidad italiana ha desarrollado silicatos de bismuto luminiscentes y el método de producción. Estos silicatos luminiscentes se emplean como herramienta en biomedicina para diagnóstico, bioimagen y nanomedicina o bien para diagnóstico combinado y tratamiento de enfermedades. Estos compuestos pueden adquirir distintas formas (partículas, partículas "core-shell" y cristal), dimensiones (escala nanométrica o micrométrica) y estructura cristalina mediante nuevas rutas de síntesis. La universidad busca un socio industrial con el fin de licenciar la tecnología o establecer acuerdos de transferencia de tecnología, cooperación técnica o investigación para continuar con el desarrollo.

Details

Tittle:
Luminescent Bismuth Silicates
Summary:
An Italian university developed Luminescent Bismuth Silicates and a method for producing thereof. These luminescent silicates could be used in biomedicine as a tool for diagnostics, bio-imaging and nanomedicine or employed for combined diagnostic and disease treatments. The university would like to find an industrial partner willing to license the technology, to reach an ownership transfer agreement or a technical or research cooperation agreement to further develop the technology.
Description:
Luminescent compounds of doped bismuth silicates developed by the Italian University can be produced in different form (e.g. particles, core-shell particles, bulk crystal), dimension (e.g. nanoscale or microscale) and crystalline structure via innovative synthesis routes. The said compounds are characterized by special non-linear optical properties such as light emission in the three RGB primary colors as a result of irradiation with infrared radiation ("photon up-conversion"). The silicates of luminescent bismuth could be used in biomedicine as a tool for diagnostics, bio-imaging and nanomedicine. They can also be employed for combined diagnostic and disease treatment (e.g. photoactive carriers for therapeutic compositions in the photodynamic therapy or in the treatment of other human diseases). In the dental field, the up-conversion mechanism of the doped bismuth silicates compositions can advantageously be exploited to prepare photoactive resins for dental restoration. In addition, by dispersing said nanoparticles in a resin it is possible to prepare a paint which can be applied to glass sheets or optical elements such as filters. Finally, given the ability to control the optical properties of luminescence and generate intense light emissions in RGB, another possible use is in an anti-counterfeiting device or system and in a photovoltaic device. Industrial partners willing to license the technology, to reach an ownership transfer agreement or a technical cooperation agreement to further develop the technology are sought.
Advantages and Innovations:
Using a very simple synthesis route, it is possible to produce luminescent compounds which exploit the nonlinear optical properties of bismuth silicates in the desired form. Unlike the other most commonly used materials (fluorides and oxides of metals), the silicates of doped bismuth have characteristics of low toxicity and low cost. The doped bismuth silicates particles find main applications in biomedicine, nanomedicine and pharma, since they are radioopaque, non-toxic and some compositions show a selective up-converting infrared signal that fall in the therapeutic window. Furthermore, by varying the concentration and type of dopants, it is possible to obtain products with different absorption and light-emission properties that can be adapted to different application needs.
Stage of Development:
Under development/lab tested
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
Italian application and PCT application

Partner sought

Type and Role of Partner Sought:
The university would like to find an industrial partner willing to license the technology, to reach an ownership transfer agreement or a technical or research cooperation agreement to further develop the technology.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
French
German
Italian
Spanish

Keywords

Technology Keywords:
04007002 Alumbrado, iluminación
03004003 Colorantes y tintes relacionados con ingeniería y tecnología química
02007006 Fine Chemicals, Dyes and Inks
05005 Micro y nanotecnología
02007024 Nanomaterials