作为药物吸附剂的天然与有机化质:实验和分子建模
Jonáš Tokarský1, Pavlína Peikertová2, Klára Výšková3
1Department of Thermal Engineering, Faculty of Materials Science and Technology, VSB-Technical University of Ostrava 17. listopadu 15/2172, Ostrava-Poruba 708 00 Czech Republic.
RSC advances
|October 2, 2025
概括
原始的石,像蒙莫里隆石一样,是有效的水污染物吸附剂,没有危险的化学修饰. 未经修改的斯麦克石的性能优于修改的版本,为水处理提供了一个环保的替代方案.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 化学 化学 化学
背景情况:
- 石通常用四级化合物进行修饰,以吸附水污染物.
- 这些修改引入了对环境有害的物质.
- 原始的石可能为改造的吸附剂提供一种可持续的替代品.
研究的目的:
- 为了评估与修改的原始涂石相比,原始涂石对制药污染物的吸附效率.
- 为了确定化学修饰是否增强了石的吸附能力.
- 评估使用未经修改的石膏石的环境可行性.
主要方法:
- 使用原始 (蒙莫里隆尼特,贝德利特,非特罗尼特) 和修改后的斯麦克提特,研究了安皮西林 (AMP) 和拉莫特里金 (LAM) 的吸附.
- 采用福里埃变换红外光谱学,元素分析,X射线粉末衍射,热重力测量和分子建模.
- 量化吸附效率和特征的吸附机制.
主要成果:
- 原始的石膏获得了50mg/g的吸附效率,超过了修改后的石膏 (几十毫克/g).
- 贝德莱特在原始涂料中显示出这两种药物的吸附率最高.
- 吸附机制有所不同,原始的石膏呈现非单层吸附,而修改后的石膏呈现单层吸附.
结论:
- 化学修饰不会增强,而且往往会降低AMP和LAM的吸附效率.
- 原始的石表现出优越或可比的吸附性能.
- 未经修改的石灰岩是水污染物吸附的可行,环保的替代品.
相关概念视频
Methods for Studying Drug Absorption: In vitro
574
In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
574
Methods for Studying Drug Absorption: In situ
636
In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
636


