Surface analysis tools for characterizing biological materials

Surfaces represent a unique state of matter that typically have significantly different compositions and structures from the bulk of a material. Since surfaces are the interface between a material and its environment, they play an important role in how a material interacts with its environment. Thus...

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Bibliographic Details
Published in:Chemical Society reviews 2020-06, Vol.49 (11), p.3278-3296
Main Authors: Baio, Joe E, Graham, Daniel J, Castner, David G
Format: Article
Language:English
Subjects:
Animals
Biocompatible Materials - chemistry
Biological materials
Composition
Dimethylpolysiloxanes - analysis
Humans
Hydrocarbons - analysis
Mass Spectrometry
Microscopy, Scanning Probe
Oils - analysis
Optical Devices
Photoelectron Spectroscopy
Salts - analysis
Solvents - analysis
Surface analysis (chemical)
Surface Properties
Surface structure
Synchrotrons
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Summary:Surfaces represent a unique state of matter that typically have significantly different compositions and structures from the bulk of a material. Since surfaces are the interface between a material and its environment, they play an important role in how a material interacts with its environment. Thus, it is essential to characterize, in as much detail as possible, the surface structure and composition of a material. However, this can be challenging since the surface region typically is only minute portion of the entire material, requiring specialized techniques to selectively probe the surface region. This tutorial will provide a brief review of several techniques used to characterize the surface and interface regions of biological materials. For each technique we provide a description of the key underlying physics and chemistry principles, the information provided, strengths and weaknesses, the types of samples that can be analyzed, and an example application. Given the surface analysis challenges for biological materials, typically there is never just one technique that can provide a complete surface characterization. Thus, a multi-technique approach to biological surface analysis is always required. Surfaces have significantly different compositions and structures from the bulk of a material. Probing the surface requires specialized techniques and this tutorial provides a brief review of techniques used to characterize the surface and interface regions of biological materials.
ISSN:0306-0012
1460-4744
1460-4744
DOI:10.1039/d0cs00181c