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Electrochemically Modulated Nitric Oxide Release FromFlexible Silicone Rubber Patch: Antimicrobial Activity For PotentialWound Healing Applications

机译:电化学调节一氧化氮的释放柔性硅橡胶补丁:潜在的抗菌活性伤口愈合应用

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摘要

Herein, we report a novel design and the antimicrobial efficacy of a flexible nitric oxide (NO) releasing patch for potential wound healing applications. The compact sized polydimethylsiloxane (PDMS) planar patch generates NO via electrochemical reduction of nitrite ions mediated by a copper(II)-ligand catalyst using a portable power system and an internal gold coated stainless steel mesh working electrode. Patches are fabricated via soft lithography and 3-D printing. The devices can continuously release NO over 4 days and exhibit potent bactericidal effects on both Escherichia coli and Staphylococcus aureus. The device may provide an effective, safe, and less costly alternative for treating chronic wounds.
机译:在本文中,我们报告了一种新颖的设计和柔性一氧化氮(NO)释放贴剂的抗菌功效,可用于潜在的伤口愈合应用。紧凑尺寸的聚二甲基硅氧烷(PDMS)平面贴片使用便携式电源系统和内部镀金不锈钢网工作电极,通过电化学还原由铜(II)-配体催化剂介导的亚硝酸根离子而生成NO。通过软光刻和3D打印制造贴片。该装置可在4天之内连续释放NO,并对大肠杆菌和金黄色葡萄球菌均表现出强大的杀菌作用。该设备可以为治疗慢性伤口提供一种有效,安全且成本较低的替代方案。

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