1999
DOI: 10.1051/analusis:1999101
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Fluorimetric nitrite analysis using 2,3-diaminonaphthalene: an improvement of the method

Abstract: With the objective to get new analytical methods for the determination of oxygen in sea water [1] and/or pollutants in the environment water (nitrate, nitrite, etc.) [2], we developed technologies based on fluorimetry with the use of optical fibers. Fluorimetric methods were selected for their great sensitivity and also for their possible remote measurement. Concerning the nitrate determination, the generally required drastic conditions (in the major cases highly acidic media [3]), led us to study an indirect… Show more

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Cited by 16 publications
(11 citation statements)
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“…The DAN assay is one of the most sensitive and selective fluorescence-based methods for NO detection. 37 As is evident from Figures 6A and 7A, under the same experimental conditions the greatest amount of photoreleased NO was observed for NOP material. The lower amount of NO photoreleased from the surface of NOP/ZnPc and especially NOP/TMPyP materials (Figure 7A) can be attributed to the filter effect of the bound photosensitizer.…”
Section: ■ Results and Discussionsupporting
confidence: 53%
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“…The DAN assay is one of the most sensitive and selective fluorescence-based methods for NO detection. 37 As is evident from Figures 6A and 7A, under the same experimental conditions the greatest amount of photoreleased NO was observed for NOP material. The lower amount of NO photoreleased from the surface of NOP/ZnPc and especially NOP/TMPyP materials (Figure 7A) can be attributed to the filter effect of the bound photosensitizer.…”
Section: ■ Results and Discussionsupporting
confidence: 53%
“…The DAN assay is one of the most sensitive and selective fluorescence-based methods for NO detection. 37 As is evident from Figure 6A and Figure oxygen-and argon-saturated solvent (Figure 8). The initial part of the signals (0 -5 µs) can fail due to strong prompt fluorescence of the photosensitizer and saturation of the detector.…”
Section: Ion Exchange Capacity (Iec)mentioning
confidence: 60%
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“…In older plants and in the mutants generally, interference by anthocyanins was sometimes indicated by development of the red color after addition of NED alone, or with simple acidification of the sample. In these cases, NO − 2 was determined fluorimetrically using 1,3-diaminonaphthalene (Carré et al, 1999).…”
Section: Nr Assaysmentioning
confidence: 99%
“…There are biological assays which are also specific for nitrite sensing. These assays are performed to detect nitrate, but do so by reducing the nitrate to nitrite, and further reacting the nitrite with 2,3‐diaminonaphthalene (DAN) in an acidic environment to form the fluorescent 1‐[H]‐naphthotriazole (24–26). These assays are most commonly performed in solution.…”
mentioning
confidence: 99%