3 条结果 关键词:抗菌活性 ×

Selected strains of the Ganoderma lucidum complex from Finnish forests have excellent broadly acting antiviral properties.

Scientific reports 2025 Reshamwala D, Shroff S, Liimatainen J, Tienaho J 等 15 人

为应对未来疫情,需要安全可持续的广谱抗病毒药物。本研究评估芬兰森林来源灵芝复合群(Ganoderma lucidum complex)若干菌株深层发酵液的广谱抗病毒活性及其作用机制。采用细胞病变效应抑制试验和终点稀释试验测定抗病毒活性,并用重组细菌生物传感器检测抗菌活性。机制研究包括加药时间试验、透射电镜、共聚焦显微镜、蔗糖梯度分离...

Monitoring the Antibacterial Activity of the Green Synthesized ZnO Nanoparticles on the Negative and Positive Gram Bacteria Mimicking Oral Environment by Using a Quartz Tuning Fork (QTF) Micromechanical Sensor.

International journal of nanomedicine 2025 Al-Hamad KA, Asiri A, Alqahtani AM, Alotaibi S 等 5 人

绿色合成纳米颗粒在医学应用(牙科植入体、口腔器械)中作为抗生物膜和抗菌剂具有潜力,但传统抗菌测试方法费时且灵敏度不足。石英音叉(QTF)生物传感器因高灵敏度、体积小、成本低而成为替代方案。本研究评估 QTF 生物传感器定量检测绿色合成氧化锌(ZnO)纳米颗粒对革兰氏阴性和阳性细菌的抗菌活性。在模拟口腔环境中,以金黄色葡萄球菌(S. ...

Fullerene-Functionalized Cellulosic Hydrogel Biosensor with Bacterial Turn-on Fluorescence Response Derived from Carboxymethyl Cellulose for Intelligent Food Packaging with DFT Calculations and Molecular Docking.

Gels (Basel, Switzerland) 2025 Tohamy HS

本研究报道了一种新型羧甲基纤维素–氮掺杂富勒烯–接枝聚(丙烯酰胺-2-甲基-1-丙磺酸)(CMC–N-fullerene–AMPS)水凝胶的合成与表征,用于食品包装中的生物传感。该水凝胶通过自由基聚合制备,并经傅里叶变换红外光谱(FTIR)、扫描电子显微镜(SEM)和荧光显微镜表征。FTIR 证实 AMPS 成功接枝及氮掺杂富勒烯的...