Determination of nitric oxide using light-emitting diode-based colorimeter with tubular porous polypropylene membrane cuvette
© 2021. Springer-Verlag GmbH Germany, part of Springer Nature..
On the basis of the Griess-Saltzman (GS) reaction, an optical device for nitric oxide (NO) detection in exhaled breath and atmosphere was developed by employing the light-emitting diode (LED, 560 nm) as the light source, light-to-voltage converter (LVC) as the detector, and porous polypropylene membrane tube (PPMT) as the cuvette. The PPMT was filled with GS reagents and covered with a coaxial jacket tube for gas collection and color reaction; two ends of the PPMT were connected with the LED and LVC to detect the change of light transmissivity in the wavelength range of 530 to 590 nm mainly. A gas absorber filled with GS reagents was installed prior to another absorber filled with KMnO4 solution to eliminate the interference of coexisting NO2. Under the optimized experimental conditions, the device achieved a limit of detection (3σ/k) of 4.4 ppbv for NO detection. The linearity range of this device was divided into two segments, i.e., 25 to 100 ppbv and 50 to 1000 ppbv, with both coefficients of determination > 0.99. The relative standard deviation was 2.7% (n = 9, c = 100 ppbv), and the analytical time was 5.5 min per detection. The minimum detectable quantity was decreased to 1.18 ng, which was ~ 100 times lower than the original GS method (115 ng). The present device was applied for determination of NO in exhaled breath, vehicle exhaust, and air. In addition to satisfactory spiking recoveries (i.e., 103% and 107%), the analytical results of the present device were in agreement with the results obtained by the standard method. These results assured the practicality of the developed device for NO detection in real environmental samples.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:413 |
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| Enthalten in: |
Analytical and bioanalytical chemistry - 413(2021), 21 vom: 02. Sept., Seite 5301-5307 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tian, Yong [VerfasserIn] |
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| Links: |
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| Themen: |
Exhaled breath |
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| Anmerkungen: |
Date Completed 02.09.2021 Date Revised 02.09.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1007/s00216-021-03503-4 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM327589191 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2021. Springer-Verlag GmbH Germany, part of Springer Nature. | ||
| 520 | |a On the basis of the Griess-Saltzman (GS) reaction, an optical device for nitric oxide (NO) detection in exhaled breath and atmosphere was developed by employing the light-emitting diode (LED, 560 nm) as the light source, light-to-voltage converter (LVC) as the detector, and porous polypropylene membrane tube (PPMT) as the cuvette. The PPMT was filled with GS reagents and covered with a coaxial jacket tube for gas collection and color reaction; two ends of the PPMT were connected with the LED and LVC to detect the change of light transmissivity in the wavelength range of 530 to 590 nm mainly. A gas absorber filled with GS reagents was installed prior to another absorber filled with KMnO4 solution to eliminate the interference of coexisting NO2. Under the optimized experimental conditions, the device achieved a limit of detection (3σ/k) of 4.4 ppbv for NO detection. The linearity range of this device was divided into two segments, i.e., 25 to 100 ppbv and 50 to 1000 ppbv, with both coefficients of determination > 0.99. The relative standard deviation was 2.7% (n = 9, c = 100 ppbv), and the analytical time was 5.5 min per detection. The minimum detectable quantity was decreased to 1.18 ng, which was ~ 100 times lower than the original GS method (115 ng). The present device was applied for determination of NO in exhaled breath, vehicle exhaust, and air. In addition to satisfactory spiking recoveries (i.e., 103% and 107%), the analytical results of the present device were in agreement with the results obtained by the standard method. These results assured the practicality of the developed device for NO detection in real environmental samples | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Exhaled breath | |
| 650 | 4 | |a Light-emitting diode | |
| 650 | 4 | |a Nitric oxide | |
| 650 | 4 | |a Optical device | |
| 700 | 1 | |a Cheng, Jiawen |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Nazhen |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiangju |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiaomin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xu-Wei |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:413 |g year:2021 |g number:21 |g day:02 |g month:09 |g pages:5301-5307 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1007/s00216-021-03503-4 |3 Volltext |
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