从水性介质中去除和内化合物的评估,使用来自细胞素的表面改性纳米孔碳吸附剂:一项比较研究
Jakpar Jandosov1,2, Dmitriy Chenchik1, Alzhan Baimenov1,3,4
1Institute of Combustion Problems, 172, Bogenbay Batyr St., Almaty 050000, Kazakhstan.
International journal of molecular sciences
|January 28, 2026
概括
研究人员从大米废物中开发了新的纳米多孔碳,以去除来自肠道的尿素毒素前体. 表面修改的碳,特别是N-doped变体,显示出高的去除效率,这表明慢性病管理的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 生物医学工程 生物医学工程
背景情况:
- 肠道微生物组的催化剂,如p-cresol,indole和indole-3-acetic acid (IAA) 是蛋白质结合的尿素毒素 (PBUT) 的前体.
- PBUTs通过在排泄后重新进入循环来加剧慢性病 (CKD).
- 有效地去除这些PBUT前体对于CKD管理至关重要.
研究的目的:
- 通过使用表面修饰的纳米多孔碳 (PCs) 来研究PBUT前体从水溶液中的去除效率.
- 描述这些新型吸附剂的吸附能力和机制.
- 探索废物衍生材料在CKD中消除毒素的潜力.
主要方法:
- 通过物理化学和酸激活,从碳化大米废物中合成了三种表面修饰的纳米多孔碳 (PC).
- 研究了从酸盐缓冲盐溶液中去除p-cresol,indol和IAA的效率.
- 使用N2吸附,SEM/EDS,XPS和FT-IR光谱学来描述吸附性质.
主要成果:
- 在3小时内,可以达到32-96%的清除率.
- 化PC (PC-N1和PC-N2) 的吸附能力高于化PC-P的吸附能力.
- PC-N1显示了最高的吸附能力,结果与微孔体积和表面功能群相关,而不是总孔体积.
结论:
- 表面修饰的纳米孔状碳,特别是N-doped变体,是PBUT前体的有效吸附剂.
- 微孔体积和表面化学在吸附机制中起着关键作用,这表明了离子交换过程.
- 这些发现突出了基于生物炭的材料在开发高效的CKD疗法的潜力.
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