نتایج جستجو برای: microdilution technique

تعداد نتایج: 614534  

Journal: :Dental Journal: Majalah Kedokteran Gigi 2023

Background: Theobroma cacao bean manufacturing worldwide includes undesired byproducts such as cocoa pod husks. Cocoa pods contain a variety of beneficial chemicals, including polyphenols. Polyphenols have vital function in the treatment many illnesses and infections oral cavity. This is due to their qualities cavity, anti-inflammatory, antibacterial, antioxidant actions. Purpose: The goal this...

Journal: :Antimicrobial agents and chemotherapy 1997
S L Fraser J H Jorgensen

Several Flavobacterium species, comprising a heterogeneous group of gram-negative bacilli that are capable of causing opportunistic infections in humans, have recently been reclassified as Chryseobacterium or Myroides species. Intrinsically resistant to a number of antibiotics, these organisms have been reported to be susceptible to vancomycin and certain other drugs that are normally active ag...

Journal: :Molecules 2017
Naceur Hamdi Rawdha Medyouni Hallouma Bilel Lamjed Mansour Antonio Romerosa

In this study, novel phthalonitrile 3 and their corresponding metal-free 4 and metallophthalocyanine derivatives 5-7 bearing 2-isopropenyl-4-methoxy-1-methylbenzene groups were synthesized and characterized. 3,4-Dihydropyrimidinones have been synthesized by a modified Biginelli-type reaction with various metallophthalocyanines 5-7 as catalysts. Compared to the classical Biginielli reaction, the...

Journal: :Revista iberoamericana de micologia 2000
J A Vazquez M T Arganoza D Boikov R A Akins J K Vaishampayan

Candida species are an important cause of opportunistic infection in the oral cavity of immunocompromised patients, especially HIV infected patients. Melaleuca oil obtained commercially was investigated since it is known to have broad antifungal properties. The in-vitro susceptibilities of Aspergillus and susceptible and resistant Candida species were performed utilizing serial dilutions in mic...

Journal: :The Journal of antimicrobial chemotherapy 2005
Mandy Wootton Peter M Bennett Alasdair P MacGowan Timothy R Walsh

OBJECTIVES To assess a link between resistance to Triton X-100 induced autolysis (TIA) and lowered atl expression in a collection of clinical glycopeptide-intermediate Staphylococcus aureus (GISA) and heterogeneous GISA (hGISA). METHODS Nine clinical GISA, 11 hGISA and 11 glycopeptide-susceptible S. aureus (GSSA), including three pairs of related isolates, were analysed using TIA assays. Lyso...

Journal: :Antimicrobial agents and chemotherapy 1979
D G Delgado C J Brau C G Cobbs W E Dismukes

A total of 434 clinical aerobic gram-negative bacillary isolates were tested against LY127935, a new 1-oxa cephalosporin, and compared with other cephalosporins, penicillins, and aminoglycosides by a broth microdilution technique. Cefotaxime (HR756), a new semisynthetic cephalosporin, and LY127935 were more active, and showed lower minimum inhibitory concentrations (ranges, less than or equal t...

2016
Valéria Maria Lara Adriano Bonfim Carregaro Deise Flores Santurio Mariangela Facco de Sá Janio Moraes Santurio Sydney Hartz Alves

This study evaluated the in vitro antibacterial activity of essential oils from Lippia graveolens (Mexican oregano), Origanum vulgaris (oregano), Thymus vulgaris (thyme), Rosmarinus officinalis (rosemary), Cymbopogon nardus (citronella), Cymbopogon citratus (lemongrass), and Eucalyptus citriodora (eucalyptus) against Escherichia coli (n = 22) strains isolated from Alouatta spp. feces. Minimum i...

2013
Chih-Chen Lee Li-Yu Chiou Jheng-Yang Wang Sin-You Chou John Chi-Wei Lan Tsi-Shu Huang Kuo-Chuan Huang Hui-Min Wang

Supercritical fluid carbon dioxide extraction technology was developed to gain the active components from a Taiwan native plant, Zingiber officinale (ginger). We studied the biological effects of ginger extracts via multiple assays and demonstrated the biofunctions in each platform. Investigations of ginger extracts indicated antioxidative properties in dose-dependant manners on radical scaveng...

Journal: :Journal of clinical microbiology 1982
F J Marsik S Brake

A total of 299 isolates of gram-positive, catalase-positive, coagulase-negative cocci were isolated from a variety of specimens collected from patients at a large university hospital, and 281 (94%) were identified as staphylococci by established methods. Using the scheme of Kloos and Schleifer, we determined the species of the coagulase-negative staphylococci. Staphylococcus epidermidis was the...

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