journal article·2020-04-28

Conformal Bacterial Cellulose Coatings as Lubricious Surfaces

Patrick A. Rühs, Katerina G. Malollari, Marco R. Binelli, Rowena Crockett, Diederik W. R. Balkenende, André R. Studart, Phillip B. Messersmith

ACS Nano· Volume 14· Issue 4
Publisher page

Abstract

We report a versatile method to form bacterial cellulose coatings through simple dip-coating of 3D objects in suspensions of cellulose-producing bacteria. The adhesion of cellulose-secreting bacteria on objects was promoted through surface roughness and chemistry. Immobilized bacteria secreted highly porous hydrogels with high water content directly from the surface of a variety of materials. The out-of-plane orientation of cellulose fibers present in this coating leads to high mechanical stability and energy dissipation with minimal cellulose concentration. The conformal, biocompatible, and lubricious nature of the in situ grown cellulose surfaces makes the coated 3D objects attractive for biomedical applications.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Polymer Surface Interaction Studies · Electrospun Nanofibers in Biomedical Applications · 3D Printing in Biomedical Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Complex Materials, Department of Materials, ETH-Zurich/Swiss Federal Institute of Technology, 8093 Zurich, Switzerland

Department of Bioengineering, University of California, Berkeley, Berkeley, California 94720-1760, United States

Department of Mechanical Engineering, University of California, Berkeley, Berkeley, California 94720-1760, United States

Nanoscale Materials Science, Swiss Federal Laboratories for Materials Science and Technology, Zurich 8600, Switzerland

Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, California 94720-1760, United States

Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1760, United States

Funding

National Center for Research Resources · Schweizerischer Nationalfonds zur F?rderung der Wissenschaftlichen Forschung · National Institute of Dental and Craniofacial Research

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