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- W4205428208 abstract "This Review describes new methods for patterning functional hyperbranched poly(acrylic acid) thin polymer films. Hyperbranched polymer is a generic term used to describe a wide variety of polymeric materials that contain a high percentage of functional groups, that are highly branched, and that are irregular in structure. Hyperbranched polymer films (HPFs) are prepared by an iterative three-step process: activation of an acid functionalized surface, surface grafting of amine-terminated poly(tert-butyl acrylate), and hydrolysis to regenerate the acid surface. The resulting materials have a high density of acid groups, which can be functionalized with moieties that introduce interesting optical, electrochemical, biological, and mechanical properties to the films. HPFs can be patterned with micron-scale resolution using either a template-based approach or photolithography. Templates consist of self-assembled monolayers prepared by microcontact printing, whereas photolithographic patterning relies on selective hydrolysis using photoacids. Biocompatibility can be introduced by grafting a conformal layer of poly(ethylene glycol) atop the HPFs. Such patterns serve as templates for spatially segregating viable mammalian and bacterial cells. In addition to the PAA HPFs, another family of patternable HPFs consisting of dendrimers and an active anhydride copolymer is described." @default.
- W4205428208 created "2022-01-25" @default.
- W4205428208 creator A5045504233 @default.
- W4205428208 date "2001-11-19" @default.
- W4205428208 modified "2023-09-27" @default.
- W4205428208 title "Patterning of Hyperbranched Polymer Films" @default.
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- W4205428208 doi "https://doi.org/10.1002/1439-7641(20011119)2:11<644::aid-cphc644>3.0.co;2-" @default.
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