商品磷酸铵的PXRD定量物相分析及其在生物体系中的应用

IF 0.3 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
F. Ferreira, A. Pereira, I. B. Reis, B. Sasaki, W. Fávaro, N. Durán
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引用次数: 1

摘要

尽管磷酸盐分析是一个古老的问题,但仍然是一个巨大的挑战。虽然在文献中发现了许多不同的实验技术,但很少使用粉末x射线衍射(PXRD)模式对不同类型的磷酸盐进行定量相分析。我们对四个商业样品磷酸氢二铵((NH4)2HPO4) (DAP)进行了测量,结果显示存在磷酸盐污染混合物,如磷酸二氢铵(NH4H2PO4) (ADP)。ADP用量越大,在DAP相中诱导的微应变越大,这既影响了纳米颗粒在溶液中的聚集,也影响了纳米结构的最终抗癌活性。本研究表明,PXRD是一种很好的定量物相分析技术,可以测定磷酸氢二铵样品中磷酸盐污染的存在和含量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantitative phase analysis of commercial ammonium phosphates by PXRD for application in biological systems
Although being an old concern, phosphate analysis is still a tremendous challenge. While many different experimental techniques are found in the literature, very few use powder X-ray diffraction (PXRD) patterns for quantitative phase analysis of different phosphate types. Our measurements performed in four commercial samples of diammonium hydrogen phosphate ((NH4)2HPO4) (DAP) show the existence of phosphate contamination mixtures, such as ammonium dihydrogen phosphate (NH4H2PO4) (ADP). The larger the amount of ADP, the larger the microstrain induced in the DAP phase, which impacts both the aggregation of the nanoparticles in solution and the final anticancer activity of the nanostructure. This study shows that PXRD is an excellent technique for quantitative phase analysis to determine the presence and amount of phosphate contamination in diammonium hydrogen phosphate samples.
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来源期刊
Powder Diffraction
Powder Diffraction 工程技术-材料科学:表征与测试
CiteScore
0.90
自引率
0.00%
发文量
50
审稿时长
>12 weeks
期刊介绍: Powder Diffraction is a quarterly journal publishing articles, both experimental and theoretical, on the use of powder diffraction and related techniques for the characterization of crystalline materials. It is published by Cambridge University Press (CUP) for the International Centre for Diffraction Data (ICDD).
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