Investigation of antibacterial activity and polyethersulfone (PES) membrane usability of delafossite-type CuMnO2 and CuMnO2-NH2 nanostructures

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2024-11-26 DOI:10.1007/s00396-024-05352-w

Rahel Yıldırım, Sadin Özdemir, Gülşah Tollu, Mehmet Gülcan, Volkan Filiz, Nadir Dizge

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引用次数: 0

Abstract

Membrane fouling is one of the most important issues in membrane studies and remains a current challenge. Therefore, developing composite membranes to reduce fouling is essential. In this study, delafossite-type CuMnO₂ and CuMnO₂-NH₂ nanostructures were synthesized and characterized in detail using various instrumental tools, including SEM, SEM-Elemental Mapping, P-XRD, BET, and FTIR. The biological properties of CuMnO₂ and CuMnO₂-NH₂ nanostructures, including antioxidant, antimicrobial, cell viability, antidiabetic activity, antibiofilm activity, and DNA fragmentation, were examined. Both materials exhibited good antioxidant, antimicrobial, and antibiofilm properties. The highest antioxidant activity for CuMnO₂ was 75.93% at 100 mg/L, while the highest antioxidant activity for CuMnO₂-NH₂ was 92.35% at 100 mg/L. The most effective MIC value of 16 mg/L was obtained for CuMnO₂ against Enterococcus hirae and Enterococcus faecalis. The highest amylase activity, at 165.2%, was observed at 100 mg/L for CuMnO₂. Both CuMnO₂ and CuMnO₂-NH₂ exhibited complete inhibition of microbial cell viability (100%) at 100 mg/L. Additionally, they demonstrated excellent biofilm inhibition activities against S. aureus and P. aureginosa. Furthermore, the use of polyethersulfone (PES) membranes coated with CuMnO₂ and CuMnO₂-NH₂ compounds for the eradication of Escherichia coli was investigated, along with the antibacterial activities of the membrane surface and permeate.

Graphical Abstract

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delafoste型CuMnO2和CuMnO2- nh2纳米结构的抗菌活性和聚醚砜（PES）膜可用性研究

膜污染是膜研究中最重要的问题之一，也是当前面临的一个挑战。因此，开发复合膜来减少污染是必要的。在这项研究中，合成了delafoite型CuMnO2和CuMnO2- nh2纳米结构，并使用各种仪器工具进行了详细的表征，包括SEM， SEM- elemental Mapping, P-XRD， BET和FTIR。研究了CuMnO2和CuMnO2- nh2纳米结构的生物学特性，包括抗氧化、抗菌、细胞活力、抗糖尿病活性、抗生物膜活性和DNA片段性。两种材料均表现出良好的抗氧化、抗菌和抗生物膜性能。在100 mg/L浓度下，对CuMnO2的抗氧化活性最高为75.93%；在100 mg/L浓度下，对CuMnO2- nh2的抗氧化活性最高为92.35%。CuMnO2对人血肠球菌和粪肠球菌的MIC值为16 mg/L时最有效。当浓度为100 mg/L时，淀粉酶活性最高，为165.2%。当浓度为100 mg/L时，CuMnO2和CuMnO2- nh2均能完全抑制微生物细胞活力（100%）。此外，它们对金黄色葡萄球菌和金黄色葡萄球菌具有良好的生物膜抑制活性。此外，研究了包被CuMnO2和CuMnO2- nh2化合物的聚醚砜（PES）膜对大肠杆菌的清除作用，以及膜表面和渗透膜的抗菌活性。图形抽象

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.