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用于从水溶液中去除抗炎药物的有机贝得石

Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions.

作者信息

Plevová Eva, Vallová Silvie, Vaculíková Lenka, Hundáková Marianna, Gabor Roman, Smutná Kateřina, Žebrák Radim

机构信息

Institute of Geonics of the Czech Academy Sciences, Studentská 1768, 708 00 Ostrava, Czech Republic.

Department of Chemistry, VSB-Technical University of Ostrava, 17. listopadu 15, 700 30 Ostrava, Czech Republic.

出版信息

Nanomaterials (Basel). 2021 Nov 17;11(11):3102. doi: 10.3390/nano11113102.

DOI:10.3390/nano11113102
PMID:34835867
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8619786/
Abstract

Diclofenac (DC) and ibuprofen (IBU) are widely prescribed non-steroidal anti-inflammatory drugs, the consumption of which has rapidly increased in recent years. The biodegradability of pharmaceuticals is negligible and their removal efficiency by wastewater treatment is very low. Therefore, the beidelitte (BEI) as unique nanomaterial was modified by the following different surfactants: cetylpyridinium (CP), benzalkonium (BA) and tetradecyltrimethylammonium (TD) bromides. Organobeidellites were tested as potential nanosorbents for analgesics. The organobeidellites were characterized using X-ray powder diffraction (XRD), Infrared spectroscopy (IR), Thermogravimetry and differential thermal analysis (TG/DTA) and scanning microscopy (SEM). The equilibrium concentrations of analgesics in solution were determined using UV-VIS spectroscopy. The intercalation of surfactants into BEI structure was confirmed both using XRD analysis due to an increase in basal spacing from 1.53 to 2.01 nm for BEI_BA and IR by decreasing in the intensities of bands related to the adsorbed water. SEM proved successful in the uploading of surfactants by a rougher and eroded organobeidellite surface. TG/DTA evaluated the decrease in dehydration/dehydroxylation temperatures due to higher hydrophobicity. The Sorption experiments demonstrated a sufficient sorption ability for IBU (55-86%) and an excellent ability for DC (over 90%). The maximum adsorption capacity was found for BEI_BA-DC (49.02 mg·g). The adsorption according to surfactant type follows the order BEI_BA > BEI_TD > BEI_CP.

摘要

双氯芬酸（DC）和布洛芬（IBU）是广泛使用的非甾体抗炎药，近年来其消费量迅速增加。药物的生物降解性可忽略不计，且废水处理对它们的去除效率很低。因此，通过以下不同的表面活性剂对独特的纳米材料贝得石（BEI）进行了改性：十六烷基吡啶鎓（CP）、苯扎氯铵（BA）和十四烷基三甲基溴化铵（TD）。对有机贝得石作为镇痛药潜在纳米吸附剂进行了测试。使用X射线粉末衍射（XRD）、红外光谱（IR）、热重分析和差示热分析（TG/DTA）以及扫描显微镜（SEM）对有机贝得石进行了表征。使用紫外可见光谱法测定溶液中镇痛药的平衡浓度。通过XRD分析证实了表面活性剂插入到BEI结构中，因为BEI_BA的层间距从1.53 nm增加到2.01 nm，并且通过与吸附水相关的谱带强度降低，利用IR也证实了这一点。SEM证明通过更粗糙和被侵蚀的有机贝得石表面成功负载了表面活性剂。TG/DTA评估了由于更高的疏水性导致脱水/脱羟基温度的降低。吸附实验表明对IBU具有足够的吸附能力（55 - 86%），对DC具有优异的吸附能力（超过90%）。发现BEI_BA - DC的最大吸附容量为49.02 mg·g。根据表面活性剂类型的吸附顺序为BEI_BA > BEI_TD > BEI_CP。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/97ec57cc183c/nanomaterials-11-03102-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/c892be7947a1/nanomaterials-11-03102-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/f178cd073963/nanomaterials-11-03102-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/babf62ab59b1/nanomaterials-11-03102-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/ada72e65c92c/nanomaterials-11-03102-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/a79a539b4f86/nanomaterials-11-03102-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/d9c45c65ffa8/nanomaterials-11-03102-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/556fbc973ab3/nanomaterials-11-03102-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/15212b75f06f/nanomaterials-11-03102-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/97ec57cc183c/nanomaterials-11-03102-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/c892be7947a1/nanomaterials-11-03102-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/f178cd073963/nanomaterials-11-03102-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/babf62ab59b1/nanomaterials-11-03102-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/ada72e65c92c/nanomaterials-11-03102-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/a79a539b4f86/nanomaterials-11-03102-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/d9c45c65ffa8/nanomaterials-11-03102-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/556fbc973ab3/nanomaterials-11-03102-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/15212b75f06f/nanomaterials-11-03102-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e3af/8619786/97ec57cc183c/nanomaterials-11-03102-g009.jpg

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