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制备多金属氧酸盐掺杂氨基硅烷改性硅酸盐杂化材料作为新型化学-生物毒性剂阻挡层。

Preparation of polyoxometalate-doped aminosilane-modified silicate hybrid as a new barrier of chem-bio toxicant.

机构信息

Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Tahsi, Taoyuan 33551, Taiwan.

Department of Chemical Engineering, Army Academy, Zhongli, Taoyuan 32093, Taiwan.

出版信息

J Inorg Biochem. 2019 Oct;199:110788. doi: 10.1016/j.jinorgbio.2019.110788. Epub 2019 Jul 19.

DOI:10.1016/j.jinorgbio.2019.110788
PMID:31362174
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7112521/
Abstract

Nanohybrid membranes based on the Keggin-type polyoxometalate (POM) HPVMoO and aminosilane-modified silicate (Ormosil and Ormosil(NRCl)) hybrids were synthesized as a new barrier to protect against simulants of chemical and biological toxicant. The P NMR and XPS results indicated that POM was bound to the Ormosil and Ormosil(NRCl) hybrids after impregnation. The antibacterial effects of the hybrids and hybrid-impregnated fabrics against Gram-negative and Gram-positive bacteria were investigated with zone of inhibition, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC) and plate-counting method. The MIC/MBC values of Ormosil(NRCl)/POM and Ormosil/POM against bacteria were 0.267/2.67 and 2.67/26.7, respectively, and the percentage reduction of bacteria was approximately 100% after 20 laundry cycles of their fabrics. The reaction products and mechanisms of the adsorptive degradation of 2-chloroethylethylsulfide (CEES) by hybrids were investigated with C NMR. The results of this study showed that POM-doped Ormosil systems are capable of destroying bacteria and CEES.

摘要

基于 Keggin 型多金属氧酸盐 (POM) HPVMoO 和氨基硅烷改性硅酸盐 (Ormosil 和 Ormosil(NRCl)) 杂化物的纳米杂化膜被合成作为防止化学和生物毒性模拟物的新屏障。P NMR 和 XPS 结果表明，POM 在浸渍后与 Ormosil 和 Ormosil(NRCl) 杂化物结合。通过抑菌圈、最小抑菌浓度 (MIC)、最小杀菌浓度 (MBC) 和平板计数法研究了杂化物和杂化物浸渍织物对革兰氏阴性菌和革兰氏阳性菌的抗菌作用。Ormosil(NRCl)/POM 和 Ormosil/POM 对细菌的 MIC/MBC 值分别为 0.267/2.67 和 2.67/26.7，经过 20 次洗涤循环后，其织物上的细菌减少率约为 100%。用 C NMR 研究了杂化物吸附降解 2-氯乙基乙基硫醚 (CEES) 的反应产物和机理。研究结果表明，POM 掺杂的 Ormosil 体系能够破坏细菌和 CEES。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/d2705ba22777/gr10_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/f09d75551303/ga1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/cfd0b8c6181c/gr1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/57f7d95fda0a/gr2_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/4fab5f085211/gr3_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/758a882e2393/gr4_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/6507bf9a6c57/gr5_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/862e78746c79/gr6_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/c66bdd60e5ab/gr7_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/2ff432df704d/gr8_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/ece8fe5cac5a/gr9_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/d2705ba22777/gr10_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/f09d75551303/ga1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/cfd0b8c6181c/gr1_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/57f7d95fda0a/gr2_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/4fab5f085211/gr3_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/758a882e2393/gr4_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/6507bf9a6c57/gr5_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/862e78746c79/gr6_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/c66bdd60e5ab/gr7_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/2ff432df704d/gr8_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/ece8fe5cac5a/gr9_lrg.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f005/7112521/d2705ba22777/gr10_lrg.jpg

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