نتایج جستجو برای: Amine functionalization
تعداد نتایج: 30046 فیلتر نتایج به سال:
The synthesis and binding integrity of an ErbB2-binding modified DNA aptamer (E2Ap) with 5-naphtyl-20deoxyuridine is confirmed by electrospray ionization mass spectrometry and by a P dot blotting experiment. E2Ap degradation in a conventional Cu(I)-catalyzed azide–alkyne cycloaddition (CuAAC) condition is efficiently prevented by using tris(3-hydroxypropyltriazolylmethyl)amine (THPTA). The immo...
Hydrophilic poly(ethylene glycol)-based monoliths were synthesized in the spin-tip format for high-throughput applications via pulsed electron beam irradiation. Monoliths with a homogeneous porous structure and a total porosity of 69% were obtained. The cross-linked polymeric structure was further mechanically stabilized via the incorporation of silica nanoparticles. Amino-functionalization of ...
Fluorescent cross-linked nanoparticles with variable fluorophore loading amounts, locations, and particle sizes were synthesized from sequential one-pot functionalization/cross-linking of block copolymer micelles with amine-terminated dye and cross-linker molecules, via reductive amination and amidation. The fluorescence quantum yield and brightness of these nanoparticles were evaluated by stea...
Cyclic comonomers for the synthesis of carboxylic acid and amine functionalized poly(L-lactic acid).
Degradable aliphatic polyesters such as poly(lactic acid) are widely used in biomedical applications, however, they lack functional moieties along the polymer backbone that are amenable for functionalization reactions or could be the basis for interactions with biological systems. Here we present a straightforward route for the synthesis of functional α-ω epoxyesters as comonomers for lactide p...
We have modified single walled carbon nanotubes (SWCNTs) with well defined matrix-based architectures to improve interface interaction in SWCNT/epoxy composites. The hardener and two pre-synthesized oligomers containing epoxy and hardener moieties were covalently attached to the SWCNT walls by in situ diazonium or carboxylic coupling reactions. In this way, SWCNTs bearing amine or epoxide-termi...
Poly(amidoamine) (PAMAM) dendrimers are hyper-branched polymers with uniform size, defined molecular weight, large internal cavities and a high number of surface groups that make them particularly suitable for a number of biomedical and technological applications [1]. It has been found that surface functionalization is the main factor modulating the toxicity of dendrimers to mammalian cells lin...
Epoxy is a versatile resin used in different fields such as coatings, colors, colorants, and composites. Adding nano-scale fillers/additives to the epoxy has valued epoxy coatings for engineering applications, and opened the time of advanced epoxy-based nanocomposite coatings. In the present work, graphene oxide GO was chemically functionalized with starch, as a natural polymer, and added to th...
Epithelialization of hydrogels achieved by amine functionalization and co-culture with stromal cells
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