Results 21 to 30 of about 101,168 (296)

A case of rhinoscleroma treated with ciprofloxacin [PDF]

open access: yes, 2001
Respiratory scleroma (often termed \'rhinoscleroma\') is a chronic inflammatory condition in which deforming masses of tissue distend the nasal cavity. Klebsiella rhinoscleromatis is the causative agent of this infection and the Mikulicz cell is specific
Badia, L, Lund, VJ
core   +1 more source

Quinolones: a class of antimicrobial agents

open access: yes, 2018
The fluoroquinolones are a series of synthetic antibacterial agents that are used in the treatment of a variety of bacterial infections. These agents inhibit the DNA gyrase, abolishing its activity by interfering with the DNA-rejoining reaction.
G. Sárközy
semanticscholar   +1 more source

Enantioselective Intermolecular [2 + 2] Photocycloaddition Reactions of 2(1H)-Quinolones Induced by Visible Light Irradiation

open access: yesJournal of the American Chemical Society, 2016
In the presence of a chiral thioxanthone catalyst (10 mol %) the title compounds underwent a clean intermolecular [2 + 2] photocycloaddition with electron-deficient olefins at λ = 419 nm.
A. Tröster   +3 more
semanticscholar   +1 more source

The bactericidal activity of moxifloxacin in patients with pulmonary tuberculosis [PDF]

open access: yes, 2003
Patients in whom acid-fast bacilli smear-positive pulmonary tuberculosis was newly diagnosed were randomized to receive 400 mg moxifloxacin, 300 mg isonaizid, or 600 mg rifampin daily for 5 days. Sixteen-hour overnight sputa collections were made for the
Bongard, E   +7 more
core   +1 more source

Antibiotic residues and antibiotic-resistant bacteria in pig slurry used to fertilize agricultural fields [PDF]

open access: yes, 2020
Pig manure may contain antibiotic residues, antibiotic-resistant bacteria or pathogens, which may reach the environment upon fertilization. During this study, 69 antibiotic residues belonging to 12 classes were quantified in 89 pig slurry samples.
Colson, Lander   +9 more
core   +2 more sources

The phenazine pyocyanin is a terminal signalling factor in the quorum sensing network of Pseudomonas aeruginosa [PDF]

open access: yes, 2006
Certain members of the fluorescent pseudomonads produce and secrete phenazines. These heterocyclic, redox-active compounds are toxic to competing organisms, and the cause of these antibiotic effects has been the focus of intense research efforts.
Dietrich, Lars E. P.   +4 more
core   +1 more source

Empiric Antibiotic Therapy in the Treatment of Community-acquired Pneumonia in a General Hospital in Saudi Arabia [PDF]

open access: yes, 2019
Background: Guideline-based empiric antimicrobial therapy is recommended for the treatment of community-acquired pneumonia (CAP). In this study, we evaluate the pattern of empiric antibiotics of CAP patients.
Al-Tawfiq, Jaffar A.   +2 more
core   +1 more source

Molecular details of quinolone–DNA interactions: solution structure of an unusually stable DNA duplex with covalently linked nalidixic acid residues and non-covalent complexes derived from it [PDF]

open access: yes, 2005
Quinolones are antibacterial drugs that are thought to bind preferentially to disturbed regions of DNA. They do not fall into the classical categories of intercalators, groove binders or electrostatic binders to the backbone.
Altman   +50 more
core   +2 more sources

Rational Design, Synthesis, and Biological Evaluation of Heterocyclic Quinolones Targeting the Respiratory Chain of Mycobacterium tuberculosis.

open access: yesJournal of Medicinal Chemistry, 2017
A high-throughput screen (HTS) was undertaken against the respiratory chain dehydrogenase component, NADH:menaquinone oxidoreductase (Ndh) of Mycobacterium tuberculosis (Mtb). The 11000 compounds were selected for the HTS based on the known phenothiazine
W. Hong   +23 more
semanticscholar   +1 more source

Determination of the Primary Molecular Target of 1,2,4-Triazole-Ciprofloxacin Hybrids [PDF]

open access: yes, 2015
We have synthesized and examined the antibacterial activity, toxicity and affinity towards bacterial type II topoisomerases of a series of 1,2,4-triazole-ciprofloxacin hybrids.
Agata Paneth   +12 more
core   +2 more sources

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