منابع مشابه
On the angular dependence of focused laser ablation by nanosecond pulses in solgel and polymer materials
Focused laser ablation by single laser pulses at varying angles of incidence is studied in two materials of interest: a solgel ~Ormocer 4! and a polymer ~SU8!. For a range of angles ~up to 70° from normal!, and for low-energy ~,20 mJ!, 40 ns pulses at 266 nm wavelength, the ablation depth along the direction of the incident laser beam is found to be independent of the angle of incidence. This a...
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Aib α-Aminoisobutyric acid or Cα-methylalanine (αMe)Phe Cα-methylphenylalanine (αMe)Val Cα-methylvaline BOP (Benzotriazol-1-yloxy)tris(dimethylamino)phosphonium CIP 2-Chloro-1,3-dimethylimidazolidium phosphate Db z g Cα,α-dibenzylglycine Deg Cα,α-diethylglycine Dφg Cα,α-diphenylglycine Dp n g Cα,α-di-n-propylglycine EDC 1-(3-Dimethylamino)propyl-3-ethylcarbodiimide HATU 2-(1H-7-aza-1,2,3-benzot...
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Although surfaces or, more precisely, the surface atomic and electronic structure, determine the way materials interact with their environment, the influence of surface chemistry on the bulk of the material is generally considered to be small. However, in the case of high surface area materials such as nanoporous solids, surface properties can start to dominate the overall material behavior. Th...
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Porphyrins and metalloporphyrins provide an extremely versatile nanometer-sized building block for the control of materials properties. Films, solids and microporous solids have been explored as field-responsive materials (i.e. interactions with applied electric, magnetic or electromagnetic fields) and as ‘chemo-responsive’ materials (i.e. interactions with other chemical species as sensors or ...
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Materials chemistry is making a fundamental impact in regenerative sciences providing many platforms for tissue development. However, there is a surprising paucity of replacements that accurately mimic the structure and function of the structural fabric of tissues or promote faithful tissue reconstruction. Methodologies in biomimetic materials chemistry have shown promise in replicating morphol...
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ژورنال
عنوان ژورنال: Accounts of Chemical Research
سال: 2007
ISSN: 0001-4842,1520-4898
DOI: 10.1021/ar700178b