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Antimycobacterial antimicrobial and biocompatibility properties of para-aminosalicylic acid with zinc layered hydroxide and Zn/Al layered double hydroxide nanocomposites

机译:对氨基水杨酸与锌层状氢氧化物和Zn / Al层状双氢氧化物纳米复合材料的抗分枝杆菌抗菌和生物相容性

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摘要

The treatment of tuberculosis by chemotherapy is complicated due to multiple drug prescriptions, long treatment duration, and adverse side effects. We report here for the first time an in vitro therapeutic effect of nanocomposites based on para-aminosalicylic acid with zinc layered hydroxide (PAS-ZLH) and zinc-aluminum layered double hydroxides (PAS-Zn/Al LDH), against mycobacteria, Gram-positive bacteria, and Gram-negative bacteria. The nanocomposites demonstrated good antimycobacterial activity and were found to be effective in killing Gram-positive and Gram-negative bacteria. A biocompatibility study revealed good biocompatibility of the PAS-ZLH nanocomposites against normal human MRC-5 lung cells. The para-aminosalicylic acid loading was quantified with high-performance liquid chromatography analysis. In summary, the present preliminary in vitro studies are highly encouraging for further in vivo studies of PAS-ZLH and PAS-Zn/Al LDH nanocomposites to treat tuberculosis.
机译:由于多种药物处方,较长的治疗持续时间和不利的副作用,因此化学疗法治疗结核病很复杂。我们首次在此报道基于对氨基水杨酸与锌层状氢氧化物(PAS-ZLH)和锌铝层状双重氢氧化物(PAS-Zn / Al LDH)的纳米复合材料对分枝杆菌,革兰氏阴性菌的体外治疗作用阳性细菌和革兰氏阴性细菌。该纳米复合材料表现出良好的抗分枝杆菌活性,并被发现可有效杀死革兰氏阳性和革兰氏阴性细菌。生物相容性研究表明,PAS-ZLH纳米复合材料对正常人MRC-5肺细胞具有良好的生物相容性。通过高效液相色谱分析定量对氨基水杨酸的负载量。总而言之,目前的初步体外研究为进一步治疗PAS-ZLH和PAS-Zn / Al LDH纳米复合材料的体内研究提供了极大的鼓舞。

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