Xylopia aethiopica is a medicinal plant of great repute in West Africa which produces a variety of complex chemical compounds. The fresh and dried fruits, leaf, stem bark and root bark essential oils showed various degrees of activity against the gram positive bacteria, Bacillus subtilis and Staphylococcus aureus, the gram negative bacteria Pseudomonas aeruginosa and the yeast-like fungus Candi...

Bacteria can grow in different materials that are in close contact with humans, foods, etc., so, it is very important to control this matter in order to prevent risk of infections. Antimicrobial resistance (AMR) threatens the effective prevention and treatment of an ever-increasing range of infections caused by bacteria, parasites, viruses and fungi. Multiwall carbon nanotubes (MWNTs) have inte...

Gum of Butea monosperma is used to treat microbial and fungal infections in folk medicine. To validate this use, the in- vitro antimicrobial activity of petroleum ether and alcoholic extract of Butea monosperma gum was evaluated against various microbial strains such as Staphylococcus aureus, Bacillus subtilis, Bacillus cereus, Salmonella typhimurium , Pseudomonas aeuriogenosa, Esch...

The contribution of murine Toll-like receptors 2 and 4 (TLR2 and -4, respectively) to cytokine induction by heat-killed bacteria was analyzed in vitro and in vivo. Gram-negative bacteria induced cytokines primarily via TLR4; the contribution of TLR2 was only minor. Neither TLR4 nor, surprisingly, TLR2 was required in the MyD88-dependent response to Staphylococcus aureus.

The in vitro activity of N-formimidoyl thienamycin (MK0787), a stable congener of thienamycin, was determined against 200 species of aerobic and 84 species of anaerobic bacteria. The compound was highly active against resistant gram-negative bacilli, penicillin-resistant Staphylococcus aureus, enterococci, and anaerobic bacteria. The new derivative of thienamycin was more active than the parent...

Introduction: The aim of this study was to characterize the chemical composition and antimicrobial activity of Trachyspermum copticum essential oil (EO). Methods: The chemical composition of seed samples obtained from Mianeh city in East Azerbaijan, was assessed using gas chromatography-mass spectrometry (GC-MS). The antimicrobial activity was evaluated by disc diffusion method against methicil...

The investigation was conducted with methanolic extract of Murraya koenigii L for its anti bacterial, phytochemical screening and antioxidant capacities. Antibacterial activity of the extract was evaluated against various Grampositive and Gram-negative bacteria using agar well diffusion technique. For phytocehmical screening such as flavonoids. alkaloids, resins, glycosides, tannins, saponins, ...

New sulfonyl-lapachones were efficiently obtained through the catalytic oxidation of arylthio- and cyclohexylthio-lapachone derivatives with hydrogen peroxide in the presence of a Mn(III) porphyrin complex. The antibacterial activities of the non-oxidized and oxidized lapachone derivatives against the Gram-negative bacteria Escherichia coli and the Gram-positive bacteria Staphylococcus aureus w...

With the enormous applications nanomaterials offer, this study focuses on antibacterial property of nanoparticles. The involved green synthesis iron and zinc oxide nanoparticles from Moringa oleiferapod peel extract comparison bactericidal efficiency chemically synthesized against both Gram-negative Gram-positive organisms (Escherichia coli Staphylococcus aureus). were characterized by UV spect...