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Raman Spectroscopy for Soft Matter Applications

2009-04-01 Science
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Release : 2009-04-01
Genre : Science
Kind : eBook
Book Rating : 986/5 ( reviews)

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Book Synopsis Raman Spectroscopy for Soft Matter Applications by : Maher Amer

Download or read book Raman Spectroscopy for Soft Matter Applications written by Maher Amer. This book was released on 2009-04-01. Available in PDF, EPUB and Kindle. Book excerpt: Raman spectroscopy provides a critical characterization tool in analytical chemistry. This book presents the fundamentals of raman spectroscopy outside the focus of physics to offer an accessible guide to scientists working in the broad area of soft materials. The book is organized into four sections with the first devoted to an introduction to Raman spectroscopy which includes scattering theory and instrumentation. The following sections are devoted to application areas including polymers and colloids, food science, drug delivery, defense, and medical.

Raman Spectroscopy for Soft Matter Applications

2009-01-12
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Release : 2009-01-12
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Kind : eBook
Book Rating : 942/5 ( reviews)

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Book Synopsis Raman Spectroscopy for Soft Matter Applications by : Amer

Download or read book Raman Spectroscopy for Soft Matter Applications written by Amer. This book was released on 2009-01-12. Available in PDF, EPUB and Kindle. Book excerpt:

Application of Polarized Raman Spectroscopy for Analysis of Phase Transitions and Anisotropic Behavior of Soft Condensed Matter

2012 Liquid crystals
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Release : 2012
Genre : Liquid crystals
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Book Synopsis Application of Polarized Raman Spectroscopy for Analysis of Phase Transitions and Anisotropic Behavior of Soft Condensed Matter by : Min Sang Park

Download or read book Application of Polarized Raman Spectroscopy for Analysis of Phase Transitions and Anisotropic Behavior of Soft Condensed Matter written by Min Sang Park. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt: The importance of soft matter research, as a major class of materials including liquid crystals, polymers, colloids, emulsions, and forms, is attributed to the behavior resemblances in each branch of soft matter responding to the external perturbations. Hence, one of the most required inquiries in soft matter physics is understanding how the structures with characteristic length scales evolve in response to external perturbations, and concomitant phase transitions. We have focused on adopting polarized Raman spectroscopy to probe phase transitions in soft materials consisting of anisometric components and the evolution of molecular orientational ordering as a complementary tool to other methodologies, but distinct in some respects. The primary task is quantifying the degree of molecular orientation, i.e., obtaining orientational order parameters, in liquid crystal (LCs) system. Thermal evolution of orientation degree in a hitherto elusive biaxial nematic (Nb) phase as well as a commonly known uniaxial nematic (Nu) phase were interrogated from the measurements of anisotropy in polarized Raman intensities. We demonstrated reliable and applicable method to quantify the orientation degree for systems possessing anisotropic ordering. We also addressed a strong potential of Raman spectroscopy that the changes of vibrational energy reflect the variations of intermolecular interactions and structural changes on the molecular level induced by phase transitions. As a subfield of soft matter, we characterized phase transitions and anisotropic ordering observed in an evaporating conjugated polymer solution and elucidated the mechanism of the entities undergoing phase transitions using mainly polarized Raman spectroscopy. In addition, we have shown that tracking Raman spectral changes can provide valuable information for understanding structure-property relations when the measurements of the evolution in physical properties are carried out simultaneously.

Handbook of Biophotonics, Volume 3

2012-05-14 Science
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Release : 2012-05-14
Genre : Science
Kind : eBook
Book Rating : 49X/5 ( reviews)

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Book Synopsis Handbook of Biophotonics, Volume 3 by : Jürgen Popp

Download or read book Handbook of Biophotonics, Volume 3 written by Jürgen Popp. This book was released on 2012-05-14. Available in PDF, EPUB and Kindle. Book excerpt: This new handbook covers the world of biophotonics not only geographically -- with the editors coming from different continents -- but also in terms of content, since the authors come from the whole spectrum of biophotonic basic and applied research. Designed to set the standard for the scientific community, these three volumes break new ground by providing readers with the physics basics as well as the biological and medical background, together with detailed reports on recent technical advances. The Handbook also adopts an application-related approach, starting with the application and then citing the various tools to solve the scientific task, making it of particular value to medical doctors. Divided into several sections, the first part offers introductory chapters on the different fields of research, with subsequent parts focusing on the applications and techniques in various fields of industry and research. The result is a handy source for scientists seeking the basics in a condensed form, and equally a reference for quickly gathering the knowledge from neighboring disciplines. Absolutely invaluable for biophotonic scientists in their daily work.

Surface Enhanced Raman Spectroscopy for Biophysical Applications

2018-12-05 Science
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Release : 2018-12-05
Genre : Science
Kind : eBook
Book Rating : 565/5 ( reviews)

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Book Synopsis Surface Enhanced Raman Spectroscopy for Biophysical Applications by : Claudia Fasolato

Download or read book Surface Enhanced Raman Spectroscopy for Biophysical Applications written by Claudia Fasolato. This book was released on 2018-12-05. Available in PDF, EPUB and Kindle. Book excerpt: The book explores the phenomenon of surface-enhanced Raman scattering (SERS), the huge amplification of Raman signal from molecules in the proximity of a metallic nanostructured surface, allowing readers to gain an in-depth understanding of the mechanisms affecting the spectroscopic response of SERS-active systems for effective applications. SERS spectroscopy is an ultrasensitive analytical technique with great potential for applications in the field of biophysics and nanomedicine. As examples, the author presents the design of nanocolloid-based SERS-active substrates for molecular sensing and of a folate-based SERS-active nanosensor capable of selectively interacting with cancer cells, enabling cancer diagnostics and therapy at the single-cell level. The author also suggests novel paths for the systematization of the SERS nanosystem design and experimental protocols to maximize sensitivity and reproducibility, which is essential when real-world biomedical applications are the goal of the study. With a combined approach, both fundamental and applied, and a detailed analysis of the state of the art, this book provides a valuable overview both for students new to SERS spectroscopy and for experts in the field.

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