A spectrofluorimetric method to determine levofloxacin is proposed and applied to determine the substance in tablets and spiked human urine and serum. The fluorimetric method allow the determination of 20-3000 ng ml(-1) of levofloxacin in aqueous solution containing acetic acid-sodium acetate buffer (pH 4) with lambda (exc) = 292 and lambda (em) = 494 nm, respectively. Micelle enhanced fluorescence improves the sensibility and allows levofloxacin direct measurement in spiked Human serum (5 mug ml(-1)) and urine (420 mug ml(-1)), in 8 mM sodium dodecyl sulphate solutions at pH 5. (C) 2000 Elsevier Science B.V. All rights reserved.
机构:
Univ Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, BrazilUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Da Silva, Arnaldo Peixoto
Luna, Aderval Severino
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Univ Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, BrazilUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Luna, Aderval Severino
Da Silva Costa, Thais Malcher
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Univ Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, BrazilUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Da Silva Costa, Thais Malcher
Aucelio, Ricardo Queiroz
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Pontificia Univ Catolica Rio de Janeiro, Dept Chem, BR-22453900 Rio De Janeiro, RJ, BrazilUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Aucelio, Ricardo Queiroz
Batista Braga, Jez Willian
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Brasilia Univ, Dept Chem, BR-70910900 Brasilia, DF, BrazilUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Batista Braga, Jez Willian
Boque, Ricard
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Univ Rovirai Virgili, Dept Analyt Chem & Organ Chem, Tarragona, SpainUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Boque, Ricard
Ferre, Joan
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Univ Rovirai Virgili, Dept Analyt Chem & Organ Chem, Tarragona, SpainUniv Estado Rio De Janeiro, Dept Analyt Chem, BR-20550013 Rio De Janeiro, RJ, Brazil
Ferre, Joan
INTERNATIONAL JOURNAL OF LIFE SCIENCE AND PHARMA RESEARCH,
2012,
2
(01):
: P147
-
P158
机构:
Pontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, BrazilPontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, Brazil
Cardoso, CE
Martins, ROR
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Pontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, BrazilPontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, Brazil
Martins, ROR
Aucelio, RQ
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h-index: 0
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Pontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, BrazilPontificia Univ Catolica Rio de Janeiro, Dept Quim, BR-22453900 Rio De Janeiro, Brazil