نتایج جستجو برای: functionalization multi
تعداد نتایج: 474380 فیلتر نتایج به سال:
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...
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...
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...
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...
Chemical Functionalization is a technique used to increase the dispersion and solubility of single-walled carbon nanotube (SWCNT). Functionalization of a (10, 0) zigzag nanotube segment containing 80 C atoms was investigated with the aide of spinunrestricted density functional theory (DFT). The (10, 0) was funtionalized with three organic acid groups: (a) carboxylic acid, (b) aromatic dicarboxy...
Abstract Remarkable advances in nanomaterials and nanotechnology have led researchers various fields. The scale effects imparted by are associated with unexpected macroscale phenomena properties that find many applications. However, multi-functionalization may be accompanied physical commercial limitations. Therefore, research must proceed several different directions. Here, we define the elect...
Establishing a strategy for realizing programmed self-assembly is critical in manufacturing materials with functional hybrid structures. In this work, we introduce robust methodology enabling multi-component using the concept of chirality-directed self-assembly. A specific combination heterochiral Zn(II) methylene bis(oxazoline) (BOX) complexes can be selectively generated when combinations ena...
this review focuses on the latest developments in applications of carbon nanotubes (cnts) in medicine. a brief history of cnts and a general introduction to the field are presented. then, surface modification of cnts that makes them ideal for use in medical applications is highlighted. examples of common applications, including cell penetration, drug delivery, gene delivery and imaging, are giv...
functionalization of multiwalled carbon nanotubes (mwcnts) with nh2 groups under a one pot reaction is studied. during the first step of the reaction, cl and chcl2 groups were attached to the surfaces of mwcnts through an electrophilic addition reaction. in the second step of process, cl atoms were replaced with nh2 and amino groups (ethylene diamine and butyl amine) under a nucleophilic substi...
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