Review Article
Nutrient Detection Sensors in Seawater Based on ISI Web of Science Database
Table 2
Literature number of nutrient sensors.
| | Category | In total | Years | 2011-2020 | 2001-2010 | 1994-2000 |
| | Analytes | | Nitrate | 39 | 1994-2020 | 21 | 14 | 4 | | Nitrite | 12 | 2000-2019 | 8 | 3 | 1 | | Phosphate | 21 | 2003-2020 | 18 | 3 | 0 | | Ammonium | 26 | 2005-2019 | 24 | 2 | 0 | | Silicate | 11 | 2003-2018 | 7 | 4 | 0 | | Detection methods | | Spectrophotometry | 38 | 1998-2019 | 24 | 12 | 2 | | Colorimetry | 18 | 2008-2020 | 15 | 3 | 0 | | Fluorimetry | 19 | 2000-2020 | 15 | 2 | 2 | | Electrochemistry | 24 | 1994-2018 | 15 | 8 | 1 | | Chromatography | 1 | 2020 | 1 | 0 | 0 | | Microfiber | 1 | 2020 | 1 | 0 | 0 | | Microfluidics | 6 | 2008-2020 | 5 | 1 | 0 | | Optofluidics | 1 | 2017 | 1 | | | | Carbon nanotube | 1 | 2012 | 1 | | |
|
|
