نتایج جستجو برای: glass functionalization

تعداد نتایج: 81931  

2009
FABIAN BUFFA GUSTAVO A. ABRAHAM BRIAN P. GRADY DANIEL RESASCO

A commercially available aliphatic thermoplastic polyurethane formulated with a methylene bis(cyclohexyl) diisocyanate hard segment and a poly(tetramethylene oxide) soft segment and chain-extended with 1,4-butanediol was dissolved in dimethylformamide and mixed with dispersed single-walled carbon nanotubes. The properties of composites made with unfunctionalized nanotubes were compared with the...

Journal: :Chemosensors 2023

Mesoporous silica materials have been widely used as gas adsorbents due to their excellent adsorption ability, large specific surface area, simple preparation process, and convenient functionalization. In this study, a core–shell mesoporous material MCM-41@SiO2 was synthesized functionalized by CoCl2, subsequently KSCN, prepare an ammonia adsorbent. The adsorbent proved possess high good spheri...

2017
Huw M. L. Davies Daniel Morton

C-H functionalization is a very active research field that has attracted the interest of scientists from many disciplines. This Outlook describes the collaborative efforts within the NSF CCI Center for Selective C-H Functionalization (CCHF) to develop catalyst-controlled selective methods to enhance the synthetic potential of C-H functionalization.

Journal: :Journal of biomaterials applications 2011
Kamarza Mulia Geert-Jan Witkamp Gwen J S Dawes Lidy Elena Fratila-Apachitei Iulian Apachitei Jurek Duszczyk Hubert Pellikaan

Functionalization of a porous orthopedic implant with dexamethasone, a widely used anti-inflammatory drug, encapsulated within a biodegradable polymer for controlled release could help reduce or eliminate the inflammation response by the local tissue. In this research, we investigated the possibility of using supercritical carbon dioxide (CO₂) for attaching dexamethasone-loaded PLGA (polylactic...

2011
Pooja M. Tiwari Komal Vig Vida A. Dennis Shree R. Singh

Metal nanoparticles are being extensively used in various biomedical applications due to their small size to volume ratio and extensive thermal stability. Gold nanoparticles (GNPs) are an obvious choice due to their amenability of synthesis and functionalization, less toxicity and ease of detection. The present review focuses on various methods of functionalization of GNPs and their application...

2016
A. Dey A. Chroneos N. S Braithwaite Ram P. Gandhiraman

Recently, there have been enormous efforts to tailor the properties of graphene. These improved properties extend the prospect of graphene for a broad range of applications. Plasmas find applications in various fields including materials science and have been emerging in the field of nanotechnology. This review focuses on different plasma functionalization processes of graphene and its oxide co...

2017
Philipp Vecera Julio C Chacón-Torres Thomas Pichler Stephanie Reich Himadri R Soni Andreas Görling Konstantin Edelthalhammer Herwig Peterlik Frank Hauke Andreas Hirsch

The verification of a successful covalent functionalization of graphene and related carbon allotropes can easily be carried out by Raman spectroscopy. Nevertheless, the unequivocal assignment and resolution of individual lattice modes associated with the covalent binding of addends was elusive up to now. Here we present an in situ Raman study of a controlled functionalization of potassium inter...

Journal: :Biomacromolecules 2006
M Todd Thompson Michael C Berg Irene S Tobias Jenny A Lichter Michael F Rubner Krystyn J Van Vliet

Biochemical functionalization of surfaces is an increasingly utilized mechanism to promote or inhibit adhesion of cells. To promote mammalian cell adhesion, one common functionalization approach is surface conjugation of adhesion peptide sequences such as Arg-Gly-Asp (RGD), a ligand of transmembrane integrin molecules. It is generally assumed that such functionalization does not alter the local...

2012
Huw M L Davies

C–H Functionalization has the potential to become a paradigmshifting strategy for organic synthesis. Over the last decade, the field has experienced explosive growth and a large variety of new C–H functionalization methodologies have been developed. In particular, regioselective functionalization of sp2 C–H bonds has become a broadly flexible approach for the synthesis of complex aromatic carbo...

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