骨制品脱酸和加固的新方法

IF 3.1 3区 化学 Q2 POLYMER SCIENCE
Gomaa Abdel-Maksoud, Sawsan S. Darwish, Wael S. Mohamed, Khaled Elnagar, Asmaa Hassaballah
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引用次数: 0

摘要

酸性条件会影响埋葬中的考古骨骼,在不受控制的展示和储存环境中,或由于不适当的修复过程,也会影响考古骨骼。因此,骨头会变得脆弱不堪。本研究旨在评估不同浓度的纳米丙酸钙和纳米苯乙烯-丙烯酸丁酯(首次用于骨骼处理)对脆弱骨骼的脱酸和加固作用。制备新的骨骼样本。人工加速老化(酸和热)用于制备老化的未处理样本。使用上述材料进行脱酸和加固处理。分析技术包括透射电子显微镜(TEM)和热重分析(TGA),用于研究制备的纳米苯乙烯-丙烯酸丁酯共聚物及其丙酸钙非复合材料的形态和热稳定性、使用数码显微镜和扫描电子显微镜(SEM)研究表面形态、pH 值测量、颜色变化测量、衰减全反射-傅立叶变换红外光谱(ATR/FTIR)、接触角(润湿性),以及 X 射线衍射分析测量骨结晶度。结果证明,酸热老化影响了骨的特性,如表面形态和颜色的变化、pH 值的降低和接触角的减小。骨样本变得更加晶莹剔透,骨的化学成分也受到了影响。用本研究中使用的材料处理未经处理的老化骨样品,可改善其特性,如提高 pH 值和接触角。骨的表面形态、颜色变化和结晶度都得到了改善,并变得更加稳定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

New approach for deacidification and consolidation of bone artifacts

New approach for deacidification and consolidation of bone artifacts

Acidic conditions affect the archaeological bone in the burial and in uncontrolled display and storage environment or due to improper restoration processes. Accordingly, bones become weak and fragile. This study aims to evaluate nano calcium propionate and nano styrene butyl acrylate (used for the first time in the treatment of bones) at different concentrations for deacidification and consolidation of fragile bones. New bone samples were prepared. Artificial accelerated aging (acid and heat) was applied to prepare aged untreated samples. Deacidification and consolidation processes using the materials mentioned above were applied. The analytical techniques used were transmission electron microscope (TEM) and thermal gravimetric analysis (TGA) were used for morphological and thermal stability investigation for the prepared nano styrene butyl acrylate copolymer and its calcium propionate nonocomposites, a digital microscope and scanning electron microscope (SEM) for investigation of the surface morphology, pH value measurement, change of color measurement, attenuated total reflection—Fourier transform infrared spectroscopy (ATR/FTIR), contact angle (wettability), and X-ray diffraction analysis for measurement of bone crystallinity. The results proved that acid-heat aging affected bone properties such as changes in surface morphology and color, decrease in pH value, and contact angle. Bone samples became more crystalline, and the chemical composition of bone was also affected. The treatment of aged untreated bone samples with the materials used in this study improved their properties, such as increasing the pH value and contact angle. The surface morphology, color change, and crystallinity of bone improved and became more stable.

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来源期刊
Polymer Bulletin
Polymer Bulletin 化学-高分子科学
CiteScore
6.00
自引率
6.20%
发文量
0
审稿时长
5.5 months
期刊介绍: "Polymer Bulletin" is a comprehensive academic journal on polymer science founded in 1988. It was founded under the initiative of the late Mr. Wang Baoren, a famous Chinese chemist and educator. This journal is co-sponsored by the Chinese Chemical Society, the Institute of Chemistry, and the Chinese Academy of Sciences and is supervised by the China Association for Science and Technology. It is a core journal and is publicly distributed at home and abroad. "Polymer Bulletin" is a monthly magazine with multiple columns, including a project application guide, outlook, review, research papers, highlight reviews, polymer education and teaching, information sharing, interviews, polymer science popularization, etc. The journal is included in the CSCD Chinese Science Citation Database. It serves as the source journal for Chinese scientific and technological paper statistics and the source journal of Peking University's "Overview of Chinese Core Journals."
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