Results 71 to 80 of about 882,725 (340)

Graphene–Catechol Dental Sealant: Antibacterial and Mechanical Evaluation

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents dental sealants made with graphene and L‐DOPA‐modified graphene. L‐DOPA enhances graphene dispersion, improving sealant properties. The material shows antibacterial activity against S. mutans and L. casei, along with high strength and elasticity.
Renata Pereira   +6 more
wiley   +1 more source

A programmable, selection-free CRISPR interference system in Staphylococcus aureus for long-term host interaction studies

open access: yesiScience
Summary: Common dCas9-based CRISPR interference (CRISPRi) systems for manipulating bacterial gene expression require antibiotic selection and exogenous inducer molecules, limiting their applicability in infection models.
Roni Miah   +3 more
doaj   +1 more source

Phytochemical Screening and Antibacterial Activity of Leaves Extract Balangla (Litsea cubeba (Lour) Pers.) from Malinau, East Borneo [PDF]

open access: yes, 2015
Balangla (Litsea cubeba) plant is used as traditional medicine by Dayak Kenyah tribe in East Kalimantan. It contains active compounds that are efficient to treat many human diseases and believed to have an antibacterial activity. The purposes of
Manurung, Hetty   +2 more
core   +1 more source

Effectiveness of the Red Dragon Fruit (Hylocereus Polyrhizus) Peel Extract as the Colorant, Antioxidant, and Antimicrobial on Beef Sausage [PDF]

open access: yes, 2017
This study aimed to evaluate the effectiveness of red dragon fruit (Hylocereus polyrhizus) peel extracts addition on beef sausages. Red dragon fruit peel extracts were obtained by maceration using solvent at pH 5.
Arief, I. I. (Irma)   +2 more
core   +4 more sources

Effect of Copper Content on the Microstructure and Mechanical Properties of As‐Cast Refractory MoNbTi Multiprincipal Element Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
Copper addition profoundly impacts MoNbTi multiprincipal element alloys. This study reveals copper's dual role, promoting microstructural refinement and strengthening intermetallics at optimal concentrations. An ideal copper content significantly boosts hardness and compressive strength, achieving superior mechanical performance.
Eder Lopes Ortiz   +6 more
wiley   +1 more source

tRNA-modifying enzymes in bacterial stress adaptation

open access: yesOpen Biology
Transfer RNAs (tRNAs) and their modifications are central to bacterial translation and physiology, yet their roles in stress adaptation remain underexplored.
Louna Fruchard   +3 more
doaj   +1 more source

The antibacterial activity of honey: 2. Variation in the potency of the antibacterial activity [PDF]

open access: yes, 1992
Honey is gaining acceptance by the medical profession for use as an antibacterial agent for the treatment of ulcers and bed sores, and other surface infections resulting from burns and wounds. In many cases it is being used with success on infections not
Molan, Peter C.
core   +2 more sources

Antibacterial activity of gelatin/copper (II)-exchanged montmorillonite films [PDF]

open access: yes, 2016
Cu (II) - exchanged montmorillonite (Cu2+MMt) was prepared, characterized and introduced into a bovine gelatin (Ge) matrix via a dissolution-intercalation method to get antibacterial nanocomposite films.
Martucci, Josefa Fabiana   +1 more
core   +1 more source

Unlocking the Power of Quercetin‐Encapsulated Mesoporous Bioactive Glass Nanoparticles: A Multifunctional Approach to Bone Regeneration

open access: yesAdvanced Engineering Materials, EarlyView.
Mesoporous bioactive glass nanoparticles (MBGNs) are investigated for bone regeneration given their remarkable structural and functional properties. MBGNs are functionalized with Mn and Cu and incorporated with quercetin, a natural flavonoid exhibiting antioxidant, anti‐inflammatory, and antimicrobial properties.
Giovanni Lo Bello   +5 more
wiley   +1 more source

Antibiotic Stewardship Implementation and Antibiotic Use at Hospitals With and Without On-site Infectious Disease Specialists. [PDF]

open access: yes, 2020
BackgroundMany US hospitals lack infectious disease (ID) specialists, which may hinder antibiotic stewardship efforts. We sought to compare patient-level antibiotic exposure at Veterans Health Administration (VHA) hospitals with and without an on-site ID
Alexander, Bruce   +9 more
core   +3 more sources

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