Results 41 to 50 of about 1,123,987 (315)

Resistance of Gram-Negative Bacteria to Current Antibacterial Agents and Approaches to Resolve It

open access: yesMolecules, 2020
Antimicrobial resistance represents an enormous global health crisis and one of the most serious threats humans face today. Some bacterial strains have acquired resistance to nearly all antibiotics.
Zeinab Breijyeh   +2 more
semanticscholar   +1 more source

An improved dental composite with potent antibacterial function [PDF]

open access: yes, 2019
A new BisGMA-based antibacterial dental composite has been formulated and evaluated. Compressive strength and bacterial viability were utilized to evaluate the formed composites.
Almousa, Rashed   +3 more
core   +1 more source

Detection of bacterial sulfatase activity through liquid- and solid-phase colony-based assays

open access: yesAMB Express, 2017
Bacterial arylsulfatases are crucial to biosynthesis in many microorganisms, as bacteria often utilize aryl sulfates as a source of sulfur. The bacterial sulfatases are associated with pathogenesis and are applied in many areas such as industry and ...
Hey Young Yoon   +3 more
doaj   +1 more source

Transmission of Nonconjugative Virulence or Resistance Plasmids Mediated by a Self-Transferable IncN3 Plasmid from Carbapenem-Resistant Klebsiella pneumoniae

open access: yesMicrobiology Spectrum, 2022
Klebsiella pneumoniae poses a critical challenge to clinical and public health. Along with conjugative plasmids, nonconjugative resistance or virulence plasmids associated with carbapenem-resistant K. pneumoniae (CRKP), hypervirulent K. pneumoniae (hvKP),
Xiaoli Wang   +10 more
doaj   +1 more source

Facilitators and barriers to the successful implementation of pediatric antibacterial drug trials: Findings from CTTI's survey of investigators. [PDF]

open access: yes, 2018
An urgent need exists to develop new antibacterial drugs for children. We conducted research with investigators of pediatric antibacterial drug trials to identify facilitators and barriers in the conduct of these trials.
Benjamin, Daniel K   +8 more
core   +2 more sources

Investigation of cell damage of periodontopathic bacteria exposed to silver, zirconium oxide, and silicon oxide nanoparticles as antibacterial agents

open access: yesMicro & Nano Letters, 2023
Antibiotic resistance is one of the biggest public health problems of our time. The nanoparticles are a powerful alternative to these antibiotics. Engineered nanoparticles show toxic effects on bacteria by different mechanisms.
Yeşim Dağlıoğlu   +4 more
doaj   +1 more source

Multifunctional antibiotic- and zinc-containing mesoporous bioactive glass scaffolds to fight bone infection [PDF]

open access: yesActa Biomaterialia 114, 395-406 (2020), 2021
Bone regeneration is a clinical challenge that requires multiple approaches. Sometimes, it also includes the development of new osteogenic and antibacterial biomaterials to treat the occurrence of possible infection processes derived from surgery. This study evaluates the antibacterial properties of meso-macroporous scaffolds coated with gelatin and ...
arxiv   +1 more source

Antioxidant Capacity and Antimicrobial Activity of Commercial Samples of Guava Leaves (\u3cem\u3ePsidium guajava\u3c/em\u3e) [PDF]

open access: yes, 2020
Psidium guajava is a small tree native to South and Central America. Guava leaves have traditionally been used for treating different illnesses. These benefits can be attributed to phenolics and flavonoids produced by guava.
Alsaidi, Sahar   +11 more
core   +2 more sources

Do CVD grown graphene films have antibacterial activity on metallic substrates? [PDF]

open access: yesCarbon 84 (2015) 310-316, 2014
Accurate assessment of the antibacterial activity of graphene requires consideration of both the graphene fabrication method and, for supported films, the properties of the substrate. Large-area graphene films produced by chemical vapor deposition were grown directly on copper substrates or transferred on a gold substrate and their effect on the ...
arxiv   +1 more source

Metal nanoparticles: understanding the mechanisms behind antibacterial activity

open access: yesJournal of Nanobiotechnology, 2017
As the field of nanomedicine emerges, there is a lag in research surrounding the topic of nanoparticle (NP) toxicity, particularly concerned with mechanisms of action. The continuous emergence of bacterial resistance has challenged the research community
Y. Slavin   +3 more
semanticscholar   +1 more source

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