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http://dx.doi.org/10.1002/adma.201004048 | DOI Listing |
ACS Appl Mater Interfaces
April 2024
Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States.
The creation of large, volumetric tissue-engineered constructs has long been hindered due to the lack of effective vascularization strategies. Recently, 3D printing has emerged as a viable approach to creating vascular structures; however, its application is limited. Here, we present a simple and controllable technique to produce porous, free-standing, perfusable tubular networks from sacrificial templates of polyelectrolyte complex and coatings of salt-containing citrate-based elastomer poly(1,8-octanediol--citrate) (POC).
View Article and Find Full Text PDFMethods Mol Biol
January 2021
Molecular and Functional Biomarkers, CIC biomaGUNE, Donostia-San Sebastian, Spain.
The entrapment of enzymes in capsules is a smart strategy to concentrate them in confined spaces and control their exposure to outside environments. Enzymes can be caged in the interior of capsules during their formation (preloading) or postloaded within prefabricated and permeable hollow shells. On the other hand, enzymes can also be deposited within the shell or on the surface of the capsules.
View Article and Find Full Text PDFSmall
August 2016
Department of Cogno-Mechatronics Engineering, Department of Optics and Mechatronics Engineering, Pusan National University, Busan, 609-735, Republic of Korea.
DNA molecules have been widely recognized as promising building blocks for constructing functional nanostructures with two main features, that is, self-assembly and rich chemical functionality. The intrinsic feature size of DNA makes it attractive for creating versatile nanostructures. Moreover, the ease of access to tune the surface of DNA by chemical functionalization offers numerous opportunities for many applications.
View Article and Find Full Text PDFACS Appl Mater Interfaces
July 2014
State Key Lab of Urban Water Resource and Environment (HIT), Micro/Nanotechnology Research Centre, Harbin Institute of Technology, Harbin 150080, China.
We present herein a novel hybrid, polymer-based motor that was fabricated by the template-assisted polyelectrolyte layer-by-layer (LbL) deposition of a thin gold layer on one side, followed by chemical immobilization of a catalytic enzyme. Such Janus capsule motors can self-propel at 0.1% peroxide fuel concentration at physiological temperature and have a higher speed as compared to Pt-based synthetic motors.
View Article and Find Full Text PDFNanoscale
December 2013
Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), Research Link 3, 117602, Singapore.
Redox responsive nanotubes were fabricated by the template assisted layer-by-layer (LbL) assembly method and employed as platforms for molecular payload release. Positively and negatively charged organometallic poly(ferrocenylsilane)s (PFS) were used to construct the nanotubes, in combination with other polyions. During fabrication, multilayers of these polyions were deposited onto the inner pores of template porous membranes, followed by subsequent removal of the template.
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