Functionalized hydroxyapatite/gold composites as "green" materials with antibacterial activity and the process for preparing and use thereof | Center za prenos tehnologij in inovacij na Institutu "Jožef Stefan"

Functionalized hydroxyapatite/gold composites as “green” materials with antibacterial activity and the process for preparing and use thereof

Publication Number: SI24094A
Application Date: 15. 06. 2012
Assignee/Applicant: Jožef Stefan Institute [SI]
Inventor: Marija Vukomanović, Srečo Davor Škapin, Danilo Suvorov
Title: Kompozitni materiali na osnovi keramične faze in kovine s funkcionalizirano površino, kot okolju prijazni materiali z antibakterijskim delovanjem, metoda priprave in njihova uporaba [SI], Functionalized hydroxyapatite/gold composites as “green” materials with antibacterial activity and the process for preparing and use thereof
Description: New concept was developed for formation of human- and environmental- friendly material able to provide antibacterial activity. This material is composed of bioceramic (hydroxyapatite), metallic (gold) and organic part containing amino and thiol groups (amino acids) in the form of composite. Bioceramic part of this material is templating agent applied as a controller of growth and stability of metallic nanoparticles particle. These metallic nanoparticles have functionalized surface and they are centers of antibacterial activity of composites. Efficacy of antibacterial activity of these materials depends on selection of surface functionalization providing activity against both Gram-positive and Gram-negative bacteria. For developed materials this activity is much stronger compare to HAp/Ag composite which shows ability for their use as more favorable replacement of toxic silver. Materials were synthesized using sonochemical method, which has been developed as a novel, “green” approach for their formation.
Drawings:
Category: Nanotechnology and new materials
Technology application codes: Industrial Technologies (Industry, Materials, Transport), Protecting man and environment
Market application codes: Consumer related, Medical/ health related, Industrial products
www: https://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=20131231&DB=&locale=en_EP&CC=SI&NR=24094A&KC=A&ND=5
Patent offices: UIL RS

 

Extended patent application


Publication Number: WO2013187846A1
Application Date: 08.05.2013
Assignee/Applicant: Jozef Stefan Institute
Inventor: Marija Vukomanović, Srečo Davor Škapin, Danilo Suvorov
Title: Functionalized hydroxyapatite/gold composites as “green” materials with antibacterial activity and the process for preparing and use thereof
www: https://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=20131219&DB=&locale=en_EP&CC=WO&NR=2013187846A1&KC=A1&ND=5

 


Publication Number: EP2863751A1
Application Date: 08. 05. 2013
Assignee/Applicant: Jozef Stefan Institute
Inventor: Marija Vukomanović, Srečo Davor Škapin, Danilo Suvorov
Title: Functionalized hydroxyapatite/gold composites as “green” materials with antibacterial activity and the process for preparing and use thereof
www: https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150429&DB=&locale=en_EP&CC=EP&NR=2863751A1&KC=A1&ND=4