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Updated: May 5, 2026

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优化和验证点解析光谱的回声时间,用于在质瘤中检测cystathionine

Min Zhou1, Zhuang Nie1, Jie Zhao1

  • 1Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.

Cancer imaging : the official publication of the International Cancer Imaging Society
|September 2, 2024
PubMed
概括

优化点解析光谱学 (PRESS) 的回声时间 (TE) 改善了结质瘤中囊氨酸的检测. 一种45毫秒的TE PRESS方法提供了更精确的cystathionine估计,有助于1p/19q-codeleted质瘤的非侵入性诊断.

关键词:
1p/19q 共同选择的一种.囊氨酸 (cystathionine) 是一种氨酸.质瘤是一种质瘤.磁共振光谱学 磁共振光谱学定点分辨率光谱学 定点分辨率光谱学

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Effects of EDTA on End-Point Detection Methods01:18

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
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