相关实验视频

Updated: Apr 11, 2026

Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles
07:40

Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles

Published on: June 2, 2017

14.9K

银纳米颗粒作为抗菌剂:合成,表征和分子模拟对抗β-乳酸酶产生肠杆菌和沙门氏菌spp

Khattab Al-Khafaji1, Alhamza D Hameed2, Marwah Shuwaili2

  • 1Department of Environmental Science, College of Energy and Environmental Science, Al-Karkh University of Science, Baghdad, 10081, Iraq. k.a.alkhafaji@gmail.com.

Molecular biotechnology
|May 6, 2025
PubMed
概括

银纳米颗粒 (AgNPs) 显示出强大的抗菌活性,对抗多药耐药的肠杆菌,包括沙门氏菌和肠杆菌. 计算分析显示,AgNP有效抑制β-乳酸酶,为抗生素耐药性提供了一种新的策略.

关键词:
这种细菌是Enterobacter.沙门氏菌是一种沙门氏菌.分子对接是分子对接.分子动力学模拟模型银纳米颗粒 银纳米粒子在β-Lactamases中.

更多相关视频

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties11:19

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Published on: May 10, 2018

10.2K
Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro11:52

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

2.9K

相关概念视频

Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
2.1K
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and...
132
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...
66
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
52