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T Perez-Ruiz

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Articles 39
Citations 45
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Recent Articles
1.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Marin J
Talanta . 2008 Oct; 54(5):989-95. PMID: 18968323
A photochemical method for the determination of methamidophos using a flow injection system is proposed. The method is based on the rapid decomposition of methamidophos in the presence of peroxydisulphate...
2.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Martin J
Talanta . 2008 Oct; 50(1):49-56. PMID: 18967693
The sensitizing effect of vitamin K(1) on the photo-oxidation of glucose has been used for the determination of the vitamin. The hydrogen peroxide formed in the photochemical reaction reacts with...
3.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Fenoll J
Anal Bioanal Chem . 2003 Mar; 375(5):661-5. PMID: 12638050
A flow-injection configuration for the determination of formaldehyde is proposed. The method is based on the enhancing effect of formaldehyde on the oxidation of acridine yellow by bromate in acidic...
4.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Fenoll J, Fenol J
Analyst . 2001 Sep; 126(8):1436-9. PMID: 11534621
A simple, rapid and automatic fluorimetric method for the determination of total ascorbic acid is described. The method makes use of the stopped-flow mixing technique in order to achieve the...
5.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Sanz A, Sahuquillo E
J Pharm Biomed Anal . 2001 Aug; 26(4):609-15. PMID: 11516913
The spectrophotometric determination of trace amounts of ranitidine was carried out by liquid-liquid extraction using bromothymol blue with a flow system. The determination of ranitidine in the range of 1...
6.
Perez-Ruiz T, Martinez-Lozano C, Sanz A, Bravo E
Electrophoresis . 2001 May; 22(6):1170-4. PMID: 11358143
The separation of riboflavin, flavin mononucleotide and flavin adenine dinucleotide was investigated by capillary zone electrophoresis using laser-induced fluorescence detection. In the systematic approach developed, the differential electrophoretic mobilities were...
7.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Fenoll J
Analyst . 2001 Feb; 125(12):2372-5. PMID: 11219084
A simple, sensitive, selective, fast and inexpensive assay for the determination of diquat is proposed. The method is based on the reduction of the herbicide to a strongly fluorescent monocation...
8.
Perez-Ruiz T, Martinez-Lozano C, Sanz A, Bravo E
Electrophoresis . 2001 Feb; 22(1):134-8. PMID: 11197162
The separation and simultaneous determination of doxorubicin, daunorubicin and idarubicin was investigated using capillary electrophoresis with laser-induced fluorescence detection. Because the three anthracycline antibiotics were similar in structure and mass,...
9.
Perez-Ruiz T, Martinez-Lozano C, Sanz A, Bravo E
J Chromatogr B Biomed Sci Appl . 2000 Jul; 742(1):205-10. PMID: 10892600
A sensitive and rapid capillary electrophoretic method combined with laser-induced fluorescence detection has been developed for the determination of ambroxol. Samples were derivatized with 5 x 10(-4) M fluorescein isothiocyanate....
10.
Perez-Ruiz T, Martinez-Lozano C, Tomas V, Fenoll J
Analyst . 2000 Jun; 125(3):507-10. PMID: 10829346
The stopped-flow mixing technique was used to develop a very fast, sensitive and accurate method for determining total proteins. The method is based on the lower fluorescence of Rose Bengal...