Research Article
A Panax notoginseng Root Tip Meristem Biosensor and Its Sensing Kinetics for Five Important Nitrogen Nutrients
Table 4
Comparison of various detection methods available.
| Method | Sample | Detection target | Detection limit (Mol/L) | References |
| Liquid-membrane electrodes with organotin carriers | Plasticized polyvinyl chloride membranes | Nitrate | | [32] | Catalytic-spectrophotometric | Water | Nitrate | | [33] | Fluorescence-spectroscopic | Water, soil | Nitrate | | [31] | Chemiluminescence | Water | Nitrate | | [34] | Electrochemical root material sensor | P. notoginseng root tip meristem | Sodium nitrate | | This work |
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