Elemental Analysis of Biological and Cryogenic Samples
نویسندگان
چکیده
Introduction Commercial production of large-area silicon drift detectors (SDDs) heralds an exciting new time in biological elemental analysis. Improved low-energy performance and higher collection efficiencies mean EDS is no longer limited by low count rates and poor solid angles. High count rates can be achieved on all types of materials, including soft biological tissues, without altering normal SEM operating conditions, meaning biological analysts can now acquire localized in-situ elemental analysis in seconds rather than hours. In this article we present comparative results from a variety of biological and cryogenic samples, analyzed with both a traditional 10 mm2 EDS detector and an Oxford Instruments X-MaxN 150 mm2 SDD detector.
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