Special Issue "Raman Imaging Methods for Nanomaterials and Bioapplications"
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: closed (31 January 2019).
Interests: inorganic nanoparticles; quantum dots; Raman spectroscopy; magnetic nanosorbents; surface chemistry
Special Issues and Collections in MDPI journals
Interests: nanostructured materials; metal nanoparticles; polyoxometalates; Raman spectroscopy; SERS; Raman imaging
Raman spectroscopy has emerged from a technique mainly used by molecular spectroscopists, to a widely-spread tool in different laboratories, for both academia and companies. Among the several factors that have contributed to the upsurge in use of this technique, there are obviously the advances in instrumentation and computing power, and (while not less important) the advances in nanomaterial science that, in some cases, introduced Raman methods to the agenda of a number of research laboratories in quite different fields. A paradigmatic example of this trend has been the increasing interest in imaging techniques associated with Raman spectroscopy. Confocal Raman microscopy combines digital imaging technology with Raman spectroscopy, providing information about chemical composition, structure, and spatial distributions of components in a sample. The images obtained correspond to maps of the spatial distributions of compounds in a specimen that are, thus, observed with little to no sample preparation, using non-destructive and non-invasive approaches. These features are of special relevance for the imaging of biological systems. The use of nanomaterials, together with Raman imaging, allows to further extend the application of this technique, noteworthy for developing methods based on surface mediated phenomena, such as surface enhanced Raman scattering (SERS) and tip enhanced Raman scattering (TERS). This Special Issue intends to provide recent developments in the use of Raman imaging and nanoscale materials, which conform the state of the art of this approach, which is seen as a valuable tool in different areas, such as materials science, life sciences and clinical diagnosis, pharmaceuticals development, among many others.Prof. Dr. Tito Trindade
Prof. Dr. Helena Nogueira
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- Raman mapping
- Confocal Raman microscopy