Abstract: An anionic bi-coordinated silver (I) complex has antimicrobial activity and the general formula [Ag+(L2?)2]3?, wherein L2? is a ligand selected from the group consisting of 2-mercapto-4-methyl-5-thiazole acetate, 3-mercapto-1-propansulfonate, 2-mercapto-5-benzimidazole sulfonate and thiosalicylate. A sodium salt of the aforesaid anionic bi-coordinated silver (I) complex has antimicrobial activity and the general formula Na+3[Ag+(L2?)2]3?. A salt of the aforesaid anionic bi-coordinated silver (I) complex has antimicrobial activity and the general formula (W+)3[Ag+(L2?)2]n, wherein W+ is a cationic surface-active agent, selected from the group consisting of octenidine, chlorhexidine, benzalkonium and didecyldimethylammonium; n is 2 when W+ is octenidine or chlorhexidine; n is 1 when W+ is benzalkonium or didecyldimethylammonium. The anionic bi-coordinated silver (I) complex can be incorporated in an antimicrobial gel containing sodium hyaluronate and sodium ascorbyl phosphate.

Abstract: A composition, usable for removing a biofilm and necrotic or infected tissues from a skin lesion, comprises ethanesulfonic acid or 1-propanesulfonic acid and a proton acceptor. The proton acceptor is selected from the group consisting of: dimethyl sulfoxide, silicon dioxide, tetraethoxysilane, and mixtures thereof. The aforesaid composition can be prepared in the form of a gel.

Abstract: A composition, usable for removing a biofilm and necrotic or infected tissues from skin lesions and lesions of the oral cavity, comprises methanesulfonic acid 99.0% and a proton acceptor. The proton acceptor is selected from the group consisting of: anhydrous sodium carbonate, 5 -amino-2-mercaptobenzimidazole, ethylenediaminetetraacetic acid tetrasodium salt, sodium gluconate, sodium tartrate dihydrate, 2-mercapto-5-benzimidazole sodium sulfonate, dimethyl sulfoxide, polyethylene glycol 400, polyethylene glycol 600, silicon dioxide, tetraethoxysilane, and mixtures thereof. The aforesaid composition can be prepared in the form of a solution, gel or cream.

Abstract: A fully stand-alone modular system which integrates tandems of photo-anodes and photovoltaic cells in a photo-electrochemical cell configuration. Such a system consists of devices capable of using only solar energy, in particular by utilizing the visible spectrum, so as to decontaminate the wastewater from emerging pollutants, with the simultaneous production of hydrogen as an added value to the decontamination process, by means of photocatalytic processes.

Abstract: The invention relates to an aqueous composition useful for producing antimicrobic polymer films, comprising at least an anionic silver complex, one or more cationic organic components with microbicidal activity, a solvent and a polymeric component. Said antimicrobic films can be obtained by depositing the aqueous composition of the invention on the surface to be treated, possibly followed by a thermosetting or photocuring treatment. The antimicrobic polymer films can be produced on surfaces of containers made of plastic, glass, ceramic or metallic material, thereby ensuring a barrier effect which protects the treated surface from invasions of external microbial agents borne by the air or hands of workers who use such containers.

Abstract: The present invention generally relates to Titanium dioxide derivatives of formula TiO2-[L]-Ag+, functionalized with silver cations by a bifunctional mercapto alkylsilane ligand. The present derivatives are useful e.g. as antimicrobic, antiseptic and/or antiviral agent, in particular in the form of pharmaceutical compositions for topical use.

Abstract: The present invention concerns a process for the synthesis of both precursor complexes and dye sensitizers for titanium dioxide based on ruthenium polypyridine complexes comprising microwave irradiation, under high pressure and in aqueous environment system

Abstract: The present invention concerns a process for the synthesis of precursor complexes and titanium dioxide sensitizing dyes based on ruthenium polypyridine complexes comprising the microwave irradiation under high pressure and in aqueous environment system of precursor complexes and sensitizers based on carboxylic functionalized ruthenium polypyridine complexes

Abstract: A coating product composition has the general formula AOx-(L-Men+)i, wherein AOx is a metal or metalloid oxide in which x indicates the number of the Oxygen atom(s) (O) bonded to the metal (A) atom, Men+ is a metal ion, L is a bifunctional molecule that could bind both metal oxide or metalloid oxide (AOx) and the metal ion (Men+), i is the number of the (L-Men+) groups bound to the metal oxide AOx. The value of the parameter i depends on various factors, such as the size of the nanoparticle of AOx, and the nature of the molecule L.

Abstract: The present invention relates to a modified tungsten oxide having an atomic concentration of 0.5 to 7.0%, preferably from 2.0 to 5.0%, of nitrogen atoms in lattice position, with respect to the total number of atoms of the oxide, having a surface morphology, detectable by means of a scanning electron microscope, characterized by nanostructures in the form of vermiform or branched open swellings, preferably having a length ranging from 200 to 2,000 nm, and a width ranging from 50 to 300 nm, having an appearance similar to Rice Krispies. The present invention also relates to a process for the preparation of the above oxide by the anodization of metallic tungsten, and also a photoanode comprising the above oxide.

Abstract: Materials and methods, for preparation of coatings based on titanium dioxide for osteointegrated biomedical prostheses. The coatings may comprise nanomaterials having antibacterial properties. For example, an endo-osseous implant is provided with a coating comprised of nanocrystalline material comprising nanoparticles of formula (I) (L-Men+)i,??(I) where AOx represents TiO2 or ZrO2; Men+ is a metallic ion having antibacterial activity, with n=1 or 2; L is a bi functional organic molecule which can simultaneously bind to the metal oxide and to the metallic ion Men+, and i is the number of L-Men+ groups bound to one nanoparticle of AOx.

Abstract: The present invention relates to nanomaterials comprised of metal oxides associated with cationic metals having antibacterial activity. In particular, the present invention relates to nanocrystalline compounds of formula (I): AOx-(L-Men+) i, (I) where AOx represents the metal oxide or metalloid oxide, with x=1 or 2; Me11“1” is a metal ion having antibacterial activity, with n=1 or 2; L is a bifunctional molecule, either organic or organometallic, capable of binding simultaneously with the metal oxide or metalloid oxide and the metal ion Men+; and i represents the number of L-Men+groups bound to a AOx nanoparticle.

Abstract: The present invention relates to an air decontamination equipment, from both odours or pollutants, and bacterial or viral loads. More particularly, the present invention relates to a decontaminating equipment (1) for the treatment of air, comprising a shell (2) which is divided in a first and a second compartments (3, 4), which are arranged in a contiguous position in any sequence order, in the second of said compartments (3, 4) suction means (6) being arranged, in which one of said first and second compartments (3, 4) is for the antibacterial/antiviral treatment of air, and one of said first and second compartments (3, 4) is for the photocatalytic treatment of air, and comprises UV illumination means (9), said first and second compartments (3, 4) comprising a material with antibacterial and antiviral activity and a material with photocatalytic activity, respectively.

Abstract: The present invention provides a method for detecting probe-target substrate binding. In particular, the present invention provides a method for detecting a surface bound target complex by detecting the redox reaction of a redox transition metal complex that is catalyzed by a redox-catalyst complex.

Abstract: A coating product composition has the general formula AOx-(L-Men+)i, wherein AOx is a metal or metalloid oxide in which x indicates the number of the Oxygen atom(s) (O) bonded to the metal (A) atom, Men+ is a metal ion, L is a bifunctional molecule that could bind both metal oxide or metalloid oxide (AOx) and the metal ion (Men+), i is the number of the (L-Men+) groups bound to the metal oxide AOx. The value of the parameter i depends on various factors, such as the size of the nanoparticle of AOx, and the nature of the molecule L.

Abstract: The object of the present invention is the preparation, through a sol-gel method, of a tungsten oxide (WO3)-based colloidal paste that allows providing transparent films on conductive glasses in an easy and cost-effective manner. Particularly, the present invention relates to a method for preparing a substrate coated with at least one thick layer of tungsten oxide, comprising at least one step of coating said substrate with a colloidal solution of tungsten oxide obtained with the sol-gel method, said colloidal solution being additioned with a thickener and a surfactant.

Abstract: The present invention proposes novel materials and methods, for preparation of coatings based on titanium dioxide for osteointegrated biomedical prostheses. The coatings are realized with nanomaterials having antibacterial properties, and have the purpose of: promoting osteointegration of the implants, and, at the same time, reducing reaction attributable to inflammatory processes which derive from infections which may develop in the neighborhood of the implants.

Abstract: The method includes the following steps: formulation of liquid, non-gelled and stable precursor by solvolysis of Ti(IV) compounds; precursor deposition on endosseous implant surface; thermal treatment to achieve film densification, in the presence of oxygen, of a complex formed by the above mentioned endosseous implant and precursor, to obtain on the implant surface a thin film of nanocrystalline titanium dioxide with good mechanical and chemical stability. The complex above, under a persistent W irradiation modify its surface status conferring a sensible increasing of wettability chemical and biological decontamination.

Abstract: The present invention relates to nanomaterials comprised of metal oxides associated with cationic metals having antibacterial activity. In particular, the present invention relates to nanocrystalline compounds of formula (I): AOx- (L-Men+) i, (I) where AOx represents the metal oxide or metalloid oxide, with x=1 or 2; Me11“1” is a metal ion having antibacterial activity, with n=1 or 2; L is a bifunctional molecule, either organic or organometallic, capable of binding simultaneously with the metal oxide or metalloid oxide and the metal ion Men+; and i represents the number of L-Men+groups bound to a AOx nanoparticle.

Abstract: The method includes the following steps: formulation of liquid, non-gelled and stable precursors by solvolysis of ZV (IV) compounds; precursor deposition on endosseous implant surface; thermal treatment to achieve film densification, in the presence of oxygen, of a complex formed by the said endosseous implant and precursor, to obtain on the implant surface a thin nanocrystalline zirconium dioxide film.