نتایج جستجو برای dendrimer hybrid

تعداد نتایج: 96850  

Journal: :Nanoscale 2015
Xin Du, Xiaoyu Li, Hongwei Huang, Junhui He, Xueji Zhang,

Dendrimer-like silica particles with a center-radial dendritic framework and a synergistic hierarchical porosity have attracted much attention due to their unique open three-dimensional superstructures with high accessibility to the internal surface areas; however, the delicate regulation of the hierarchical porosity has been difficult to achieve up to now. Herein, a series of dendrimer-like am...

Journal: :Molecules 2016
Soraya da Silva Santos, Elizabeth Igne Ferreira, Jeanine Giarolla,

The main objective of this review is to describe the importance of dendrimer prodrugs in the design of new drugs, presenting numerous applications of these nanocomposites in the pharmaceutical field. Therefore, the use of dendrimer prodrugs as carrier for drug delivery, to improve pharmacokinetic properties of prototype, to promote drug sustained-release, to increase selectivity and, consequent...

2012
Kenji Kono,

Because of their highly defined chemical structure and globular shape, dendrimers are very attractive as base materials to be used in the production of nanomaterials for applications in various fields. Therefore, many attempts have been made to develop functional materials using dendrimers. This review specifically examines dendrimer-based nanomaterials intended for application to the biomedica...

2013
Albert Kwok, Gabriela A. Eggimann, Jean-Louis Reymond, Tamis Darbre, Florian Hollfelder,

Efficient DNA delivery into cells is the prerequisite of the genetic manipulation of organisms in molecular and cellular biology as well as, ultimately, in nonviral gene therapy. Current reagents, however, are relatively inefficient, and structure-activity relationships to guide their improvement are hard to come by. We now explore peptide dendrimers as a new type of transfection reagent and pr...

Journal: :Journal of the American Chemical Society 2005
Ron M Versteegen, D J M van Beek, Rint P Sijbesma, Dimitris Vlassopoulos, George Fytas, E W Meijer,

Association of a 16-fold excess of a monodisperse telechelic oligo(THF) (Mw = 1270 g/mol) containing two end groups that selectively bind to the 32 binding sites of a fifth generation dendritic host (Mw = 18,511 g/mol and radius R(h) = 2.4 nm) results in the formation of reversible and dynamic supramolecular complexes. The structure of these complexes in solution depends strongly on the concent...

Journal: :The journal of physical chemistry. C, Nanomaterials and interfaces 2012
Priyanka Bhattacharya, Seung Ha Kim, Pengyu Chen, Ran Chen, Anne M Spuches, Jared M Brown, Monica H Lamm, Pu Chun Ke,

Nanoscale assembly is an area of research that has vast implications for molecular design, sensing, nanofabrication, supramolecular chemistry, catalysis, and environmental remediation. Here we show that poly(amidoamine) (PAMAM) dendrimers of both generations 1 (G1) and 4 (G4) can host 1 fullerenol per 2 dendrimer primary amines as evidenced by isothermal titration calorimetry, dynamic light sca...

2002
O. V. Salata, A. Safonov, Shih-Chun Lo, Paul Burn, Ifor Samuel, Jonathan Markham, Fuxi Gan, Ming Hsien Wu, Lionel C. Kimerling,

Light-emitting dendrimers are a new distinct class of material for OLEDs. Dendrimers consist of a light-emitting core, dendrons and surface groups. Dendrimers are designed for solution coating and have a number of advantages over conjugated polymers. We report our recent results for solution processed green dendrimer OLEDs. The OLEDs were fabricated by spin-coating a blend of first generation d...

2010
Amit Jain, Subodh Dubey, Atul Kaushik, Arun Kumar Tyagi, Donald A. Tomalia,

Dendrimers are a new class of polymeric materials. They are highly branched, monodisperse macromolecules. Structural Advantages allow dendrimers to play an important role in the fields of nanotechnology, pharmaceutical and medicinal chemistry. As a result of their unique behaviour dendrimers are suitable for a wide range of biomedical and industrial applications. The paper gives a brief review ...

2008
Karthikeyan Pasupathy, Nicholas W. Suek, John L. Lyons, Justin Ching, Aaron Jones, Qi Lu, Monica H. Lamm, Chun Ke,

We report our single-molecule fluorescence microscopy and molecular dynamics simulation studies on the interaction of poly(amidoamine) dendrimer and squalane hydrocarbon in aqueous solution. Our spectrophotometry measurements indicate that this interaction increases with the pH of the solvent. Our simulations show that squalane resides primarily on the perimeter of the dendrimer at low to neutr...

M. Darafsheh, M. Namdari, S. Shokrolahi,

In this paper the Wiener and hyper Wiener index of two kinds of dendrimer graphs are determined. Using the Wiener index formula, the Szeged, Schultz, PI and Gutman indices of these graphs are also determined.

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