نتایج جستجو برای: bioactive complex

تعداد نتایج: 813192  

2011
Surajit Mistry Debabrata Kundu Someswar Datta Debabrata Basu Chidambaram Soundrapandian

BACKGROUND The use of different bioactive materials as coating on dental implant to restore tooth function is a growing trend in modern Dentistry. In the present study, hydroxyapatite and the bioactive glass-coated implants were evaluated for their behavior in osseous tissue following implantation in 14 patients. MATERIALS AND METHODS Bioactive glass and hydroxyapatite formulated and prepared...

Journal: :Chemical Society reviews 2009
Yong-beom Lim Kyung-Soo Moon Myongsoo Lee

Supramolecular nanostructures covered with bioactive functional molecules have been actively explored as promising materials in the field of biotechnology. Recent advances in nano-sized chemistry have made it possible to fabricate various kinds of nanostructures with tailor-made nanostructural properties. This, combined with appropriate bioactive functionalization, has led to the successful uti...

Journal: :Journal of the Royal Society, Interface 2010
A R Boccaccini S Keim R Ma Y Li I Zhitomirsky

Electrophoretic deposition (EPD) is attracting increasing attention as an effective technique for the processing of biomaterials, specifically bioactive coatings and biomedical nanostructures. The well-known advantages of EPD for the production of a wide range of microstructures and nanostructures as well as unique and complex material combinations are being exploited, starting from well-disper...

2011
Oliveira Pereira

The periodontium is a complex tissue consisting of soft and mineralized structures. Several diseases affect the integrity of periodontium causing the destruction of the connective tissue and cells. In recent decades bioactive glass has been used in several studies in the dental field because of its excellent regenerative properties. It is known that the effect of bioactive glass can be enhanced...

2013
Ralf J. M. Weber Erik Selander Ulf Sommer Mark R. Viant

Phytoplankton exudates play an important role in pelagic ecology and biogeochemical cycles of elements. Exuded compounds fuel the microbial food web and often encompass bioactive secondary metabolites like sex pheromones, allelochemicals, antibiotics, or feeding attractants that mediate biological interactions. Despite this importance, little is known about the bioactive compounds present in ph...

Background and Objectives: Supercritical fluid extraction (SFE) technique has been studied for extraction of bioactive compounds from Feijoa sellowiana leaves. Results were compared with those obtained from conventional ethanolic extraction (CE). Materials and Methods: Results: The best supercritical carbon dioxide (SC-CO2) extraction conditions was determined as 250 bar of pressure, 50 &deg...

2017
Eric Banan-Mwine Daliri Deog H. Oh Byong H. Lee

The increased consumer awareness of the health promoting effects of functional foods and nutraceuticals is the driving force of the functional food and nutraceutical market. Bioactive peptides are known for their high tissue affinity, specificity and efficiency in promoting health. For this reason, the search for food-derived bioactive peptides has increased exponentially. Over the years, many ...

2012
Syed M. Meeran Shweta N. Patel Yuanyuan Li Samriddhi Shukla Trygve O. Tollefsbol

Breast cancer is the most common cancer and the leading cause of cancer death in women. Although tamoxifen therapy is successful for some patients, it does not provide adequate benefit for those who have estrogen receptor (ER)-negative cancers. Therefore, we approached novel treatment strategies by combining two potential bioactive dietary supplements for the reactivation of ERα expression for ...

Journal: :journal of dentistry, tehran university of medical sciences 0
alireza eshghi associate professor, torabinejad dental research center and department of pediatric dentistry,school of dentistry, isfahan university of medical sciences, isfahan, iran. maryam khoroushi professor, dental materials research center and department of operative dentistry, school of dentistry, isfahan university of medical sciences, isfahan, iran. alireza rezvani department of pediatric dentistry and torabinejad dental research center, school of dentistry, isfahan university of medical sciences, isfahan, iran.

bioactive glass air abrasion is a conservative technique to remove initial decalcified tissue and caries. this study examined the shear bond strength of composite resin to sound and decalcified enamel air-abraded by bioactive glass (bag) or alumina using etch-and-rinse and self-etch adhesives.forty-eight permanent molars were root-amputated and sectioned mesiodistally. the obtained 96 specimens...

Journal: :jundishapur journal of microbiology 0
nighat fatima department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan; department of biotechnology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan usman mukhtar department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan ihsan-ul-haq department of pharmacy, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan muneer ahmed qazi department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan; department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad 45320, pakistan. tel: +92-5190643009, fax: +92-5190643156 muniba jadoon department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan safia ahmed department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan

conclusions the present study confirms the notion of selecting endophytic fungi of medicinal plant justicia for the bioassay-guided isolation of its bioactive compounds, and demonstrates that endophytic fungus chaetomium sp. nf15 could be a potential source of bioactive metabolites materials and methods endophytic fungi associated with the j. adhatoda l. plant were isolated from healthy plant p...

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