[1] Coviello D, Pascale R, Ciriello R et al. Validation of an analytical method for nitrite and nitrate determination in meat foods for infants by ion chromatography with conductivity detection[J]. Foods, 9, 1238(2020).

[2] Lin K N, Xu J, Dong X et al. An automated spectrophotometric method for the direct determination of nitrite and nitrate in seawater: nitrite removal with sulfamic acid before nitrate reduction using the vanadium reduction method[J]. Microchemical Journal, 158, 105272(2020).

[3] Dong X H, Tang S Z, Chen S Y et al. Study on synovial arthritis based on surface-enhanced Raman scattering spectroscopy[J]. Laser & Optoelectronics Progress, 58, 0117001(2021).

[4] Deng Z A, Li S J, Liu J et al. pH sensing based on surface-enhanced Raman scattering using R6G probe[J]. Chinese Journal of Lasers, 48, 0311003(2021).

[5] Liu E W, Yang Z L, Han L J et al. Fabrication and SERS activity of Cu2O-Ag substrate by in situ growth[J]. Acta Optica Sinica, 41, 0724002(2021).

[6] Yu Y, Xiao T H, Wu Y Z et al. Roadmap for single-molecule surface-enhanced Raman spectroscopy[J]. Advanced Photonics, 2, 014002(2020).

[7] Wu G Q, Zhao W G. Seawater chemical oxygen demand optical detection method based on Raman spectroscopy[J]. Journal of Applied Optics, 40, 278-283(2019).

[8] Muñoz P, Noordam C T N, Egberink R J M et al. Comparative study of multiple thiol-based self-assembled monolayer coatings for the SERS detection of nitrite, nitrate, and perchlorate anions in water[J]. Applied Optics, 58, 9345-9352(2019).

[9] Ahmad W, Wang J J, Wu L H et al. Design of physicochemical factors for regulating the retention mechanism of 4-aminothiophenol in surface-enhanced Raman scattering toward nitrite sensing[J]. The Journal of Physical Chemistry C, 124, 7768-7776(2020).

[10] Li Z[D]. Detection of 3-nitrogen in aquaculture water based on Raman spectroscopy(2017).

[11] Tran C T K, Tran H T T, Bui H T T et al. Determination of low level nitrate/nitrite contamination using SERS-active Ag/ITO substrates coupled to a self-designed Raman spectroscopy system[J]. Journal of Science: Advanced Materials and Devices, 2, 172-177(2017).

[12] Cai R Y, Lu D C, She Q T et al. Reusable 3D silver superposed silica SERS substrate based on the Griess reaction for the ratiometric detection of nitrite[J]. Analytical and Bioanalytical Chemistry, 413, 4751-4761(2021).

[13] Wang T T, Yang L L, Li Y et al. Different sizes of spherical gold nanoparticles modified electrodes for selective determination of dopamine in the presence of high concentration of ascorbic acid[J]. Journal of Analytical Science, 36, 725-733(2020).

[14] Lin X Y, Li Y H, Qi M Y et al. A unique coordination-driven route for the precise nanoassembly of metal sulfides on metal-organic frameworks[J]. Nanoscale Horizons, 5, 714-719(2020).

[15] Sun H B, Liu H, Wu Y Y. Three-dimensional (3D) crumpled graphene-silver hybrid nanostructures on shape memory polymers for surface-enhanced Raman scattering[J]. Applied Surface Science, 467/468, 554-560(2019).

[17] Lai C H, Chen G, Chen L et al. Gold nanoparticle-coated silicon cone array for surface-enhanced Raman spectroscopy[J]. Spectroscopy Letters, 49, 51-55(2016).

[18] Yang F, Wen P, Zhang Z Q et al. Fabrication of flexible surface-enhanced Raman spectroscopy chip[J]. Chinese Journal of Lasers, 48, 0113001(2021).