Results 101 to 110 of about 11,679,551 (275)

Differential regulation of the phenazine biosynthetic operons by quorum sensing in Pseudomonas aeruginosa PAO1-N [PDF]

, 2018
The Pseudomonas aeruginosa quorum sensing (QS) network plays a key role in the adaptation to environmental changes and the control of virulence factor production in this opportunistic human pathogen. Three interlinked QS systems, namely las, rhl, and pqs,
Giordano Rampioni, Giordano Rampioni, Mathew P. Fletcher, Miguel Cámara, Paul Williams, Stephan Heeb, Steven Higgins, Steven Higgins   +7 more
core   +3 more sources

Quinolone resistance in Salmonella enterica serovar Typhi: Mechanisms, factors driving the spread of resistance, current epidemiological trends and clinical significance

South Sudan Medical Journal, 2015
The human restricted bacteria,Salmonella enterica serovar Typhi is the major cause of typhoid fever (or enteric fever), a characteristic severe systemic illness.
Gasim Omer Elkhalifa Abd-Elfarag
doaj  

Tautomeric Equilibria Studies by Mass Spectrometry [PDF]

, 2008
Tautomerism in organic chemistry has been extensively studied in condensed phase by spectrometric methods, mainly by IR and NMR techniques. Mass spectrometry studies start 40 years ago but just recently it has been recognized the importance of the mass ...
Eduardo A. Castro, Jorge J. Furlong, Mercedes M. Schiavonni, Patricia E. Allegretti   +3 more
core   +1 more source

(E)-1-(2-Aminophenyl)-3-(4-chlorophenyl)prop-2-en-1-one [PDF]

, 2016
The title chalcone (E)-1-(2-aminophenyl)-3-(4-chlorophenyl)prop-2-en-1-one was prepared with an excellent yield from a Claisen–Schmidt condensation reaction between o-aminoacetophenone and p-chlorobenzaldehyde.
Abonia, Rodrigo, Cabrera, Lorena, Insuasty, Braulio, Kennedy, Alan R., Moreno-Fuquen, Rodolfo, Quiroga, Jairo   +5 more
core   +2 more sources

A Novel Microbiological Method in Microtiter Plates for Screening Seven Kinds of Widely Used Antibiotics Residues in Milk, Chicken Egg and Honey

Frontiers in Microbiology, 2019
A broad-spectrum microbiological inhibition method has been developed for rapidly screening different kinds of antibiotics such as β-lactam, aminoglycosides, tetracyclines, sulfonamides, macrolides, lincosamides and quinolones in milk, chicken egg and ...
Qin Wu, Dapeng Peng, Qianying Liu, Muhammad Abu Bakr Shabbir, Abdul Sajid, Abdul Sajid, Zhenli Liu, Yulian Wang, Yulian Wang, Zonghui Yuan, Zonghui Yuan   +10 more
doaj   +1 more source

Design, Synthesis, SAR, Pharmacokinetic Prediction of New 4-Quinolones as Anti-Microbial Agents. [PDF]

Russ J Gen Chem, 2022
Dubal GG, Vachchharajani PR, Solanki MJ, Shah VH.   +3 more
europepmc   +1 more source

Two new 2-alkylquinolones, inhibitory to the fish skin ulcer pathogen Tenacibaculum maritimum, produced by a rhizobacterium of the genus Burkholderia sp.

Beilstein Journal of Organic Chemistry, 2018
Exploration of rhizobacteria of the genus Burkholderia as an under-tapped resource of bioactive molecules resulted in the isolation of two new antimicrobial 2-alkyl-4-quinolones.
Dandan Li, Naoya Oku, Atsumi Hasada, Masafumi Shimizu, Yasuhiro Igarashi   +4 more
doaj   +1 more source

Establishment and dietary risk assessment of UPLC-MS/MS detection method for 16 quinolone antibiotics in freshwater fish

Shipin yu jixie
Objective: This study aimed to establish a method for the simultaneous determination of 16 quinolones in freshwater fish by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) and then analyze the effect of three different ...
GAO Yunkai, CHENG Chunqian, CHENG Xiaomei, ZHOU Lingyu, DEND Yinglin, YIN Qingchun   +5 more
doaj   +1 more source

Identification of 5-(Aryl/Heteroaryl)amino-4-quinolones as Potent Membrane-Disrupting Agents to Combat Antibiotic-Resistant Gram-Positive Bacteria. [PDF]

J Med Chem, 2022
Schultz JR, Costa SK, Jachak GR, Hegde P, Zimmerman M, Pan Y, Josten M, Ejeh C, Hammerstad T, Sahl HG, Pereira PM, Pinho MG, Dartois V, Cheung A, Aldrich CC.   +14 more
europepmc   +1 more source

Alkaloids of the Australian Rutaceae: Lunasia quercifolia . IV. Identification of a minor constituent as 5-Hydroxy-1-methyl-2-phenyl-4-quinolone and the preparation of an angular isomer of (–)-Lunine [PDF]

, 1968
NK Hart, SR Johns, JA Lamberton, JR Price   +3 more
openalex   +1 more source