keyword
https://read.qxmd.com/read/38592494/luminescent-and-time-resolved-determination-of-gemifloxacin-mesylate-in-pharmaceutical-formulations-and-spiked-blood-plasma-samples-using-a-lanthanide-complex-as-a-probe
#1
JOURNAL ARTICLE
Gasser M Khairy, Rania M Goda, Zeinab M Anwar, Mohamed M Aboelnga, Axel Duerkop
A novel luminescence-based analytical methodology was established employing a europium(III) complex with 3-allyl-2-hydroxybenzohydrazide (HAZ) as the coordinating ligand for the quantification of gemifloxacin mesylate (GMF) in pharmaceutical preparations and human plasma samples spiked with the compound. The stoichiometry of the europium complex with HAZ was determined via the Job plot and exhibited a metal-to-ligand ratio of 1 : 2. The analytical procedure relies on a rapid and significant enhancement of luminescence by the Eu(AZ)2 complex when it interacts with gemifloxacin mesylate, which allowed for the rapid detection of 96 samples within approximately 2 minutes...
April 9, 2024: Analytical Methods: Advancing Methods and Applications
https://read.qxmd.com/read/38559955/antiurease-activity-of-antibiotics-in-vitro-in-silico-structure-activity-relationship-and-md-simulations-of-cephalosporins-and-fluoroquinolones
#2
JOURNAL ARTICLE
Misbah Aslam, Jameel Rahman, Ambar Iqbal, Sara Mujtaba, Avinash Karkada Ashok, Farah Chafika Kaouche, Muhammad Munawar Hayat, Mouqadus-Un Nisa, Muhammad Ashraf
Helicobacter pylori infection is widespread in 50% of the world's population and is associated with gastric ulcers and related disorders that ultimately culminate in gastric cancer. Levofloxacin-based, or clarithromycin-based, triple therapy is frequently used to inhibit the bacterial urease enzyme for the eradication of H. pylori . A comprehensive investigation based on the urease inhibitory profiles of antibiotics and their computational implications is lacking in the scientific literature. The present study was aimed specifically to determine the antiurease activities within the realms of cephalosporins and fluoroquinolones by in vitro methods supported with in silico investigations...
March 26, 2024: ACS Omega
https://read.qxmd.com/read/38549569/prevalence-and-antimicrobial-resistance-of-enterobacteriaceae-in-the-north-of-kazakhstan
#3
JOURNAL ARTICLE
Yuliya Aleshina, Anara Yeleussizova, Anara Mendybayeva, Pavel Shevchenko, Raushan Rychshanova
BACKGROUND: An increasing number of drugs are used each year in the treatment of small pets (cats and dogs), including medicines (cephalosporins and fluoroquinolones) used in human therapy. AIM: The purpose of this study was to isolate and explore the antibiotic resistance of opportunistic Enterobacteriaceae ( Escherichia coli , Klebsiella, Proteus, Ci trobacter, Enterobacter ) from cats and dogs, and to isolate resistance genes in the microorganisms. METHODS: In 2021, 808 samples of biological material from small domestic animals were collected in veterinary clinics in Kostanay...
February 2024: Open Veterinary Journal
https://read.qxmd.com/read/38023611/monkeypox-presenting-with-blepharoconjunctivitis
#4
Jeffrey Bloom, Michael Parise, Omar Saeed, Cameron Holicki, Brian Mihok
A 38-year-old male with recently diagnosed HIV and gonorrhea presented with umbilicated facial lesions and blepharoconjunctivitis of the right eye. Polymerase chain reaction test was performed of the skin were positive for Monkeypox (MPX). The patients' ocular symptoms improved with acyclovir, azithromycin, gemifloxacin, and tecovirimat after 3 weeks of treatment. The incidence of MPX has been on the rise in 2022, and this case represents a unique presentation and an addition to the pool of data pertinent to diagnosis and treatment of MPX and its ocular manifestations...
2023: Case Reports in Ophthalmology
https://read.qxmd.com/read/37792765/efficacy-and-safety-of-gemifloxacin-containing-treatment-regimen-in-first-line-treatment-of-helicobacter-pylori
#5
JOURNAL ARTICLE
Recep Alanli, Murat Bulent Kucukay, Muhammet Fatih Aydin, Bilal Ergül, Fahri Yakaryilmaz
•In eradication treatment of H. pylori gemifloxacin containing triple treatment regimen was as effective as bismuth containing quadruple treatment. •Drug adverse effects were fewer and milder in the gemifloxacin group. •Since treatment period was shorter and pills to be taken were fewer compared to quadruple treatment, patient compliance was significantly higher in the gemifloxacin group. Background - After eradication of Helicobacter pylori (H. pylori) chronic gastritis will resolve, complications due to H...
2023: Arquivos de Gastroenterologia
https://read.qxmd.com/read/37669774/wastewater-purification-from-rhodamine-b-and-gemifeloxacine-gem-by-gopf-nanocomposite-a-novel-md-simulation-for-experimental-contaminants-removing
#6
JOURNAL ARTICLE
Pegah Nazarizadeh, Ali Reza Akbarzadeh, Mohamad Pazouki
In this study, the synthesized nanocomposite was evaluated novel graphene oxide/pectin/ferrite (GOPF) adsorbent to the adsorption of Rhodamine B (RhB) and Gemifloxacin (GEM) from wastewater. Theoretical studies were carried out using quantum simulation via the Forcite module in Material Studio 2017. The simulation results demonstrated RhB and GEM adsorption over other dyes and drugs. The synthesized nanocomposite was identified by BET, TGA, FT-IR, FE-SEM, XRD, VSM, and EDS. The nanocomposite's ability to effectively take RhB and GEM from an aqueous solution was checked by performing a series of experiments based on the effect of adsorbent dose, initial condensation, contact time, pH, and temperature...
September 5, 2023: Water Environment Research: a Research Publication of the Water Environment Federation
https://read.qxmd.com/read/37526872/fast-selective-and-sensitive-fluorescence-detection-of-levofloxacin-fe-3-and-cu-2-ions-in-100-aqueous-solution-via-their-reciprocal-recognition
#7
JOURNAL ARTICLE
Ramo Nazarian, Hossein Reza Darabi, Kioumars Aghapoor, Hani Sayahi, Farshid Mohsenzadeh, Leila Atasbili
The fluorescence detection of ions and pharmaceutical effluents by using organic chemosensors is a valuable surrogate to the currently existing expensive analytical methods. In this regard, the design of multi-functional chemosensors to recognize desirable guests is of utmost importance. In this study, we first show that levofloxacin (LVO) is able to use as a fluorescent chemosensor for the detection of biologically important Cu2+ (turn-off) and Fe3+ (turn-on) ions via independent signal outputs in 100% aqueous buffer solutions...
August 1, 2023: Journal of Fluorescence
https://read.qxmd.com/read/37490123/the-ameliorative-effects-of-topical-gemifloxacin-alone-or-in-combination-with-clobetasol-propionate-on-imiquimod-induced-model-of-psoriasis-in-mice
#8
JOURNAL ARTICLE
Hayder Ridha Salman, Adeeb Ahmed Al-Zubaidy, Alaa Hamza Abbas, Qassim A Zigam
Psoriasis is a lifelong immune-driven skin condition characterized by excessive epidermal overgrowth and inflammatory cell infiltration. Gemifloxacin is a fourth-generation fluoroquinolone with improved immunomodulatory and anti-inflammatory properties that are believed to possess an attractive role in psoriasis via suppressing the production of cytokines, chemokines, and eosinophil and neutrophil chemotaxis. The aim of this research is to investigate the ameliorative effects of prolonged topical gemifloxacin (GMF) alone and combined with clobetasol propionate (CLO) on an imiquimod (IMQ)-induced mouse model of psoriasis...
July 25, 2023: Naunyn-Schmiedeberg's Archives of Pharmacology
https://read.qxmd.com/read/37446807/fabrication-and-applications-of-potentiometric-membrane-sensors-based-on-specific-recognition-sites-for-the-measurement-of-the-quinolone-antibacterial-drug-gemifloxacin
#9
JOURNAL ARTICLE
Gamal A E Mostafa, Essam A Ali, Rashad A Alsalahi, Haitham Alrabiah
Supramolecular gemifloxacin (GF) sensors have been developed. Supramolecular chemistry is primarily concerned with noncovalent intermolecular and intramolecular interactions, which are far weaker than covalent connections, but they can be exploited to develop sensors with remarkable affinity for a target analyte. In order to determine the dose form of the quinolone antibacterial drug gemifloxacin, the current study's goal is to adapt three polyvinylchloride (PVC) membrane sensors into an electrochemical technique...
June 30, 2023: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/37367728/fluoroquinolone-associated-movement-disorder-a-literature-review
#10
REVIEW
Jamir Pitton Rissardo, Ana Letícia Fornari Caprara
BACKGROUND: Fluoroquinolones (FQNs) are related to several central nervous system side effects. This review aims to evaluate the clinical-epidemiological profile, pathophysiological mechanisms, and management of FQNs-associated movement disorders (MDs). METHODS: Two reviewers identified and assessed relevant reports in six databases without language restriction between 1988 and 2022. RESULTS: A total of 45 reports containing 51 cases who developed MDs secondary to FQNs were reported...
May 25, 2023: Medicines (Basel, Switzerland)
https://read.qxmd.com/read/37236274/catio-3-g-c-3-n-4-heterojunction-based-composite-photocatalyst-part-i-experimental-design-kinetics-and-scavenging-agents-effects-in-photocatalytic-degradation-of-gemifloxacin
#11
JOURNAL ARTICLE
Mehnoosh Foroughipour, Alireza Nezamzadeh-Ejhieh
A critical, challenging environmental issue is explored pollution of water supplies by discharging industrial/pharmaceutical/hospital/urban wastewaters into the aquatic environment. These needs introducing/developing novel photocatalysts/adsorbents/procedures for removing or mineralizing various pollutants in wastewater before discharging them into marine environments. Further, optimizing conditions to achieve the highest removal efficiency is an important issue. In this study, CaTiO3 /g-C3 N4 (CTCN) heterostructure was synthesized and characterized by some identification techniques...
May 24, 2023: Chemosphere
https://read.qxmd.com/read/37046452/the-effects-of-moxifloxacin-and-gemifloxacin-on-the-ecg-morphology-in-healthy-volunteers-a-phase-1-randomized-clinical-trial
#12
JOURNAL ARTICLE
Abid Ullah, Shujaat Ahmad, Niaz Ali, Haya Hussain, Mamdouh Allahyani, Mazen Almehmadi, Ahad Amer Alsaiari, Osama Abdulaziz, Feras Almarshad, Syeda Hajira Bukhari
Moxifloxacin and gemifloxacin are the two newer broad-spectrum 8-methoxy-quinolone derivatives that are used to treat various bacterial infections in cardiac patients. In this research study, we assessed the impact of moxifloxacin and gemifloxacin on the QT intervals of electrocardiograms in normal adult doses and draw a comparison, in a controlled environment, on healthy volunteers. Additionally, the effect of both test drugs on the QRS complex was checked. Sixty healthy volunteers were randomly assigned to two groups via R-software, and each respectively received moxifloxacin and gemifloxacin for five days...
March 24, 2023: Diagnostics
https://read.qxmd.com/read/36933133/rapid-elimination-of-antibiotic-gemifloxacin-mesylate-and-methylene-blue-over-pt-nanoparticles-dispersed-chitosan-g-c-3-n-4-ternary-visible-light-photocatalyst
#13
JOURNAL ARTICLE
Mohd Faisal, Jahir Ahmed, Mohammed Jalalah, Saeed A Alsareii, Mabkhoot Alsaiari, Farid A Harraz
Appropriate material selection and proper understanding of bandgap modification are key factors for the development of efficient photocatalysts. Herein, we developed an efficient, well-organized visible light oriented photocatalyst based on g-C3 N4 in association with polymeric network of chitosan (CTSN) and platinum (Pt) nanoparticles utilizing a straightforward chemical approach. Modern techniques like XRD, XPS, TEM, FESEM, UV-Vis, and FTIR spectroscopy were exploited for characterization of synthesized materials...
March 18, 2023: Environmental Science and Pollution Research International
https://read.qxmd.com/read/36876464/design-and-evaluation-of-in-situ-gel-eye-drops-containing-nanoparticles-of-gemifloxacin%C3%A2-mesylate
#14
JOURNAL ARTICLE
Vishwa J Kalaria, S Saisivam, Anas Alshishani, Jameel S Aljariri Alhesan, Sumit Chakraborty, Mohamed Rahamathulla
Traditional eye drops used for topically administering drugs have poor ocular bioavailability due to the biological barriers of the eye. There is an interest to design and develop novel drug delivery systems that would extend the precorneal residence time, reduce the frequency of administration and decrease dose-related toxicity. This study aimed to prepare Nanoparticles of Gemifloxacin Mesylate and incorporate them into an in situ gel. The nanoparticles were prepared by ionic gelation technique, using 32 factorial design...
December 2023: Drug Delivery
https://read.qxmd.com/read/36794497/application-of-tree-based-machine-learning-classification-methods-to-detect-signals-of-fluoroquinolones-using-the-korea-adverse-event-reporting-system-kaers-database
#15
JOURNAL ARTICLE
Min-Gyo Jang, SangHun Cha, Seunghwak Kim, Sojung Lee, Kyeong Eun Lee, Kwang-Hee Shin
BACKGROUND: Safety issues for fluoroquinolones have been provided by regulatory agencies. This study was conducted to identify signals of fluoroquinolones reported in the Korea Adverse Event Reporting System (KAERS) using tree-based machine learning (ML) methods. RESEARCH DESIGN AND METHODS: All adverse events (AEs) associated with the target drugs reported in the KAERS from 2013 to 2017 were matched with drug label information. A dataset containing label-positive and -negative AEs was arbitrarily divided into training and test sets...
February 16, 2023: Expert Opinion on Drug Safety
https://read.qxmd.com/read/36340146/drug-repurposing-approach-to-combat-staphylococcus-aureus-biomolecular-and-binding-interaction-study
#16
JOURNAL ARTICLE
Vishakha Singh, Poonam Dhankhar, Vikram Dalal, Shailly Tomar, Dasantila Golemi-Kotra, Pravindra Kumar
Staphylococcus aureus is considered as one of the most widespread bacterial pathogens and continues to be a prevalent cause of mortality and morbidity across the globe. FmtA is a key factor linked with methicillin resistance in S. aureus . Consequently, new antibacterial compounds are crucial to combat S. aureus resistance. Here, we present the virtual screening of a set of compounds against the available crystal structure of FmtA. The findings indicate that gemifloxacin, paromomycin, streptomycin, and tobramycin were the top-ranked potential drug molecules based on the binding affinity...
November 1, 2022: ACS Omega
https://read.qxmd.com/read/36195324/association-between-initiation-of-fluoroquinolones-and-hospital-admission-or-emergency-department-visit-for-suicidality-population-based-cohort-study
#17
JOURNAL ARTICLE
Junyi Wang, Joshua J Gagne, Sushama Kattinakere-Sreedhara, Michael A Fischer, Katsiaryna Bykov
OBJECTIVE: To evaluate the association between initiation of fluoroquinolones and hospital admission or emergency department visit for suicidality. DESIGN: Population based cohort study. SETTING: IBM MarketScan database, USA. PARTICIPANTS: 2 756 268 adults (≥18 years) who initiated an oral fluoroquinolone (ciprofloxacin, levofloxacin, moxifloxacin, gemifloxacin, ofloxacin, gatifloxacin, norfloxacin, lomefloxacin, besifloxacin) or comparator antibiotic (January 2003 to September 2015) and had at least six months of continuous health plan enrollment and a diagnosis of pneumonia or urinary tract infection (UTI) three days or less before the drug initiation date...
October 4, 2022: BMJ: British Medical Journal
https://read.qxmd.com/read/36061017/gemifloxacin-transition-metal-complexes-as-therapeutic-candidates-antimicrobial-antifungal-anti-enzymatic-and-docking-studies-of-newly-synthesized-complexes
#18
JOURNAL ARTICLE
Sana Shamim, Somia Gul, Abdur Rauf, Umer Rashid, Ajmal Khan, Rafat Amin, Faiza Akhtar
In the era of acquired microbial resistance (AMR), resulting in the ineffectiveness of antibiotics is of keen interest for researchers in current scenarios. Ten novel metal complexes of gemifloxacin have been synthesized by reacting it with essential and trace elements in a 2:1 ratio predetermined conducto-metrically. As these metals are either present in the body or co-administered as metallic supplements can alter the level of antibiotics. Therefore, Metal complexes of Gemifloxacin, an important member of the fluoroquinolone family, were synthesized...
August 2022: Heliyon
https://read.qxmd.com/read/35843973/hybridization-of-laccase-with-dendrimer-grafted-silica-coated-hercynite-copper-phosphate-magnetic-hybrid-nanoflowers-and-its-application-in-bioremoval-of-gemifloxacin
#19
JOURNAL ARTICLE
Farnoosh Rezayaraghi, Hossein Jafari-Nodoushan, Somayeh Mojtabavi, Shiva Golshani, Hoda Jahandar, Mohammad Ali Faramarzi
Laccase was successfully hybridized with polyamidoamine (PAMAM) dendrimer-grafted silica-coated hercynite-copper phosphate magnetic hybrid nanoflowers (MHNFs) to increase the catalytic performance of the enzyme and apply in an effective bioremoval of gemifloxacin. For this purpose, the magnetic nanoparticles (MNPs) of hercynite were covered with a silica layer, and the core-shell SiO2 @hercynite was then modified with PAMAM dendrimer to increase the surface area of the carrier for the enzyme attachment. Subsequently, the whole complex was hybridized with laccase and copper phosphate to attain a large surface area (104...
July 18, 2022: Environmental Science and Pollution Research International
https://read.qxmd.com/read/35631461/a-combination-of-pharmacophore-based-virtual-screening-structure-based-lead-optimization-and-dft-study-for-the-identification-of-s-epidermidis-tcar-inhibitors
#20
JOURNAL ARTICLE
Srimai Vuppala, Jaeyoung Kim, Bo-Sun Joo, Ji-Myung Choi, Joonkyung Jang
The transcriptional regulator (TcaR) enzyme plays an important role in biofilm formation. Prevention of TcaR-DNA complex formation leads to inhibit the biofilm formation is likely to reveal therapeutic ways for the treatment of bacterial infections. To identify the novel ligands for TcaR and to provide a new idea for drug design, two efficient drug design methods, such as pharmacophore modeling and structure-based drug design, were used for virtual screening of database and lead optimization, respectively. Gemifloxacin (FDA-approved drug) was considered to generate the pharmacophore model for virtual screening of the ZINC database, and five hits, namely ZINC77906236, ZINC09550296, ZINC77906466, ZINC09751390, and ZINC01269201, were identified as novel inhibitors of TcaR with better binding energies...
May 21, 2022: Pharmaceuticals
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