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Table 1 Search terms and number of results based on search engine

From: Hyperspectral imaging as an emerging tool to analyze microplastics: A systematic review and recommendations for future development

Search term Scopus Web of Science ScienceDirect
Microplastic* AND hyperspectral 140 17 56
Microplastic* AND (“imaging spectroscopy” OR “spectral imaging”) 50 6 22
(macroplastic* OR “plastic litter” OR “plastic debris”) AND hyperspectral 98 12 41
(macroplastic* OR “plastic litter” OR “plastic debris”) AND (“imaging spectroscopy” OR “spectral imaging”) 35 3 16