Targeted Wavelength-Dispersive Absorption Spectrometry of the K-Jump Region of X-ray Photoabsorption of a Contrasting Element in an Object

IF 0.7 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
A. G. Turyanskiy, Kyaw Zaw Lin, V. M. Senkov, M. Z. Ziyatdinova
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引用次数: 0

Abstract

A wavelength-dispersive technique of targeted absorption spectrometry of the K-jump region of X-ray photoabsorption during diffraction of a collimated polychromatic beam in a mosaic texture of highly oriented pyrographite is proposed. Comparative results of measuring the absorption spectra of Br in an aqueous solution of KBr by wavelength-dispersive and energy-dispersive methods with a silicon drift detector (SDD) are presented. This scheme makes it possible to reach an energy resolution of ΔE/E ~ 10‒3 and can be used in laboratory practice and medical and biological diagnostics to determine the content of contrasting agents and study the dynamics of their transfer under stationary and repetitively pulsed irradiation regimes.

Abstract Image

物体中对比元素x射线光吸收k跳区的靶波长色散吸收光谱
提出了一种在高取向焦石墨镶嵌结构中准直多色光束衍射过程中x射线光吸收k跳区的波长色散定向吸收光谱技术。用硅漂移检测器(SDD)比较了波长色散法和能量色散法测量溴在KBr水溶液中的吸收光谱。该方案可以达到ΔE/E ~ 10-3的能量分辨率,可用于实验室实践和医学和生物诊断,以确定对比剂的含量,并研究它们在固定和重复脉冲辐照制度下转移的动力学。
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来源期刊
Bulletin of the Lebedev Physics Institute
Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-
CiteScore
0.70
自引率
25.00%
发文量
41
审稿时长
6-12 weeks
期刊介绍: Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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