Author: Northrup Paul Lanzirotti Antonio Celestian Aaron
Publisher: Taylor & Francis Ltd
ISSN: 0894-0886
Source: Synchrotron Radiation News, Vol.20, Iss.3, 2007-05, pp. : 6-13
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
In the 25 years since the National Synchrotron Light Source (NSLS) began operations, synchrotron "user facilities" have had a growing impact on research in molecular environmental science (MES). For example, synchrotron-based analytical techniques have allowed researchers to determine the molecular-level speciation of environmentally relevant elements and evaluate their spatial distribution and phase association at very low concentration levels (low parts per million) with micrometer or nanometer resolution [1]. For the environmental scientist, one of the primary advantages of these synchrotron-based techniques is that samples need not be disturbed or destroyed for study; characterization can often be done in-situ in dilute and heterogeneous natural samples with no need for species separation, pre-concentration, or pre-treatment [2]. Liquids, hydrated solids, and biological samples can also often be directly analyzed, which is of fundamental importance in environmental science for understanding the molecular-scale processes that occur at mineral-water interfaces and in understanding how abiotic and biotic processes are involved in the distribution, mobility and ultimate fate of molecular species in the environment.
Related content
By Robinson Howard Shix Wuxian Sullivan Michael Nolan William Schneider Dieter Berman Lonny Lynch Don Rock Larry Rosenbaum Gerd Johnson Erik Chance Mark Sweet Robert
Synchrotron Radiation News, Vol. 18, Iss. 5, 2005-09 ,pp. :
By Kao Chi-Chang Snyder Kendra
Synchrotron Radiation News, Vol. 21, Iss. 3, 2008-05 ,pp. :