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Deep-sea in situ determination of sulfide using a sensitized chemiluminescent terbium complex.
Anal Sci
July 2023
Kochi University, Research and Education Faculty, B200 Monobe, Nankoku, Kochi, 783-8502, Japan.
A new chemiluminescence (CL) method based on the chemiluminescent reaction between sulfide and an acidic permanganate solution was used to quantify sulfide in seawater. A terbium-pipemidic acid complex was used as CL enhancer. The method was used to determine sulfide in the concentration range of 1-30 μmol/L in artificial seawater samples.
View Article and Find Full Text PDFDistribution of florfenicol and norfloxacin in ice during water freezing process: Dual effects by fluorine substituents.
Environ Pollut
October 2022
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China. Electronic address:
Distribution in ice is regarded as one of important transport modes for pollutants in seasonal freeze-up waters in cold regions. However, the distribution characteristics and mechanisms of fluorinated antibiotics as emerging contaminants during the water freezing process remain unclear. Here, florfenicol and norfloxacin were selected as model fluorinated antibiotics to investigate their ice-water distribution.
View Article and Find Full Text PDFThe pH dependence and role of fluorinated substituent of enoxacin binding to ferrihydrite.
Sci Total Environ
June 2022
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China. Electronic address:
The sorption of antibiotics on iron (hydr)oxides is an important process that influences their environmental fate. Ferrihydrite (Fh) nanosized iron hydroxide is omnipresent in nature. However, the sorption mechanism of fluoroquinolone (FQ) antibiotics on Fh is unclear.
View Article and Find Full Text PDFMacrophage polarization induced by quinolone antibiotics at environmental residue level.
Int Immunopharmacol
May 2022
School of Energy & Environmental Engineering, Hebei University of Technology, Tianjin 300401, China. Electronic address:
Widespread use of quinolone antibiotics leads to serious residues in the environment and toxicity effects. This paper studied the effects of three typical quinolone antibiotics ciprofloxacin, norfloxacin and pipemidic acid on the polarization of macrophages RAW264.7 cells.
View Article and Find Full Text PDFNonasthmatic Churg-Strauss syndrome superimposed on chronic pyelonephritis: a case report.
J Int Med Res
September 2021
School of Medicine, University of Belgrade, Belgrade, Serbia.
Churg-Strauss syndrome (CSS) is a granulomatous small-vessel vasculitis. Asthma is seen in the majority of patients with CSS, but atypical nonasthmatic forms of CSS are also being recognized. We herein describe a 67-year-old woman with a history of chronic pyelonephritis and drug allergy reactions who was admitted to our hospital because of worsening renal function preceded by fever, purpura, sinusitis, and a positive urine culture that confirmed a urinary infection.
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