[1] CHEIM L, PLATTS D, PREVOST T et al. Furan analysis for liquid power transformers[J]. IEEE Electrical Insulation Magazine, 25, 8-21(2012).

[3] YUN Yuxin, CHEN Weigen, SUN Caixin et al. Detection method of methane gas in transformer oil by photoacoustic spectroscopy[J]. Journal of Electrical Engineering, 34, 40-46(2008).

[4] CHEN Weigen, GU Zhaoliang, ZOU Jinxing et al. Analysis of furfural dissolved in transformer oil based on confocal laser Raman spectroscopy[J]. IEEE Transactions on Dielectrics & Electrical Insulation, 23, 915-921(2016).

[5] KACHLER J, HOHLEIN I. Aging of cellulose at transformer service temperatures. part 1: influence of type of oil and air on the degree of polymerization of pressboard, dissolved gases, and furanic compounds in oil[J]. IEEE Electrical Insulation Magazine, 21, 15-21(2005).

[6] SOMEKAWA T, FUJITA M, IZAWA Y et al. Furfural analysis in transformer oils using laser raman spectroscopy[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 22, 229-231(2015).

[7] ZANG Qingce, GAO Yang, HUANG Luojiao et al. Rapid and sensitive liquid chromatography–tandem mass spectrometric method for the quantitative determination of potentially harmful substance 5,5′-oxydimethylenebis (2-furfural) in traditional Chinese medicine injections[J]. Acta Pharmaceutica Sinica B, 8, 235-241(2018).

[8] LIU Xiaobo, ZHANG Ying, SHANG Meijie et al. The effects of furoic acid and furfuryl alcohol on detection of furfural in transformer oil by high-performance liquid chromatography[J]. Chromatographia, 83, 927-932(2020).

[9] CRISTIAN A G, LETÍCIA M. Chemometric approach to quantify 5-hydroxymethylfurfural and furfural obtained from sugarcane bagasse and peanut hull by UV[J]. BioEnergy Research, 13, 737-745(2020).

[10] YANG Mingxiu, LIU Guokun. A universal SERS aptasensor based on DTNB labeled GNTs/Ag core-shell nanotriangle and CS-Fe3O4 magnetic-bead trace detection of Aflatoxin B1[J]. Analytica Chimica Acta, 986, 122-130(2017).

[11] ABID H, SUN Dawen, PU Hongbin et al. Bimetallic core shelled nanoparticles ([emailprotected]) for rapid detection of thiram and dicyandiamide contaminants in liquid milk using SERS[J]. Food Chemistry, 317, 126429-126436(2020).

[12] REZAIEKAHKHAIE V, YOUSEFI M H et al. Enhanced Raman intensity of pollutants and explosives by using 2-mercaptoethanol controlled pyramid Ag–iron nanostructure embedded graphene oxide platform - ScienceDirect[J]. Photonics and Nanostructures - Fundamentals and Applications, 41, 100801(2020).

[13] CELIS F, SEGURA C. Analysis of biomolecules in cochineal dyed archaeological textiles by surface-enhanced Raman spectroscopy[J]. Scientific Reports, 11, 6560-6581(2021).

[14] YU Borong, CAO Chentai, LI Pan et al. Sensitive and simple determination of zwitterionic morphine in human urine based on liquid-liquid micro-extraction coupled with surface-enhanced Raman spectroscopy[J]. Talanta, 186, 427-432(2018).

[16] WANG Zhenlin. New progress in the study of surface isoplasmons[J]. Advances in Physics, 29, 287-324(2009).

[17] ROBERTO N, PAOLA R, CHIARA N et al. New branched flower-like Ag nanostructures for SERS analysis[J]. Colloids and Surfaces a Physicochemical and Engineering Aspects, 578, 123600(2019).

[18] ZHANG Di, HUANG Li, LIU Bing et al. Quantitative and ultrasensitive detection of multiplex cardiac biomarkers in lateral flow assay with core-shell SERS nanotags[J]. Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices, 106, 204-211(2018).

[19] SHI Haiyang, CHEN Weigen, WAN Fu et al. Application of self-assembled Raman spectrum-enhanced substrate in detection of dissolved furfural in insulating oil[J]. Nanomaterials, 9, 1-12(2019).

[20] GU Zhaoliang, CHEN Weigen, YUN Yuxin et al. Silver nano-bulks surface-enhanced Raman spectroscopy used as rapid in-situ method for detection of furfural concentration in transformer oil[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 25, 457-463(2018).

[21] KIM J D, YUN H et al. Antibacterial activity and reusability of CNT-Ag and GO-Ag nanocomposites[J]. Applied Surface Science, 283, 227-233(2013).

[23] YAO J L, PAN G P, XUE K H. A complementary study of surface-enhanced Raman scattering and metal nanorod arrays[J]. Pure and Applied Chemistry, 72, 221-228(2000).

[24] ZHANG Jie, YIN Zenghe, ZHANG Xiaolei et al. Quantitative SERS by electromagnetic enhancement normalization with carbon nanotube as an internal standard[J]. Optics Express, 26, 23534-23539(2018).

[27] LU Ya, ZHANG Congyun, ZHANG Dongjie et al. Fabrication of flower-like silver nanoparticles for surface-enhanced Raman scattering[J]. Chinese Chemical Letters, 27, 85-88(2016).