Lab-on-a-chip (LOC) for testing cannabis and products including cannabis derived substances for product quality markers, namely, tetrahydrocannabinol (THC), tetrahydrocannabinolic acid (THCa), cannabidiol (CBD), cannabidiolic acid (CBDa), cannabinol (CBN), cannabigerol (CBG), other minor cannabinoids, and terpenes; Lab-on-a-chip (LOC) for industrial testing of psychedelic substances for product quality markers, namely, psilocin, psilocybin, N,N-dimethyltryptamine (DMT), psychedelic-related tryptamines, lysergamides, mescaline, salvinorin A, salvinorin B, kratom, mitragynine, kavalactones, and kava kava; Lab-on-a-chip (LOC) for industrial testing of agricultural crops for product quality markers, namely, sugar content in blueberries and strawberries, caffeine content in coffee, sugar content in biofuel crops, and starch content in biofuel crops; Lab-on-a-chip (LOC) for industrial testing of alcoholic beverages for product quality markers, namely, alcohol content, sugar content, compounds related to International Bitterness Units (IBU) scale, phenolic compounds, aldehydes, acetates, methoxypyrazines, acids, diacetyl, and acetylaldehyde; Devices for real-time testing of cannabis and products including cannabis derived substances for product quality markers, namely, tetrahydrocannabinol (THC), tetrahydrocannabinolic acid (THCa), cannabidiol (CBD), cannabidiolic acid (CBDa), cannabinol (CBN), cannabigerol (CBG), other minor cannabinoids, and terpenes; Devices for industrial testing of psychedelic substances for product quality markers, namely, psilocin, psilocybin, N,N-dimethyltryptamine (DMT), psychedelic-related tryptamines, lysergamides, mescaline, salvinorin A, salvinorin B, kratom, mitragynine, kavalactones, and kava kava; Devices for industrial testing of agricultural crops for product quality markers, namely, sugar content in blueberries and strawberries, caffeine content in coffee, sugar content in biofuel crops, and starch content in biofuel crops; Devices for industrial testing of alcoholic beverages for product quality markers, namely, alcohol content, sugar content, compounds related to International Bitterness Units (IBU) scale, phenolic compounds, aldehydes, acetates, methoxypyrazines, acids, diacetyl, and acetylaldehyde; Kits made up of instruments for testing cannabis and products including cannabis derived substances for product quality markers, namely, tetrahydrocannabinol (THC), tetrahydrocannabinolic acid (THCa), cannabidiol (CBD), cannabidiolic acid (CBDa), cannabinol (CBN), cannabigerol (CBG), other minor cannabinoids, and terpenes; Kits made up of instruments for industrial testing of psychedelic substances for product quality markers, namely, psilocin, psilocybin, N,N-dimethyltryptamine (DMT), psychedelic-related tryptamines, lysergamides, mescaline, salvinorin A, salvinorin B, kratom, mitragynine, kavalactones, and kava kava; Kits made up of instruments for industrial testing of agricultural crops for product quality markers, namely, sugar content in blueberries and strawberries, caffeine content in coffee, sugar content in biofuel crops, and starch content in biofuel crops; Kits made up of instruments for industrial testing of alcoholic beverages for product quality markers, namely, alcohol content, sugar content, compounds related to International Bitterness Units (IBU) scale, phenolic compounds, aldehydes, acetates, methoxypyrazines, acids, diacetyl, and acetylaldehyde; Instruments for testing cannabis and products including cannabis derived substances for product quality markers, namely, tetrahydrocannabinol (THC), tetrahydrocannabinolic acid (THCa), cannabidiol (CBD), cannabidiolic acid (CBDa), cannabinol (CBN), cannabigerol (CBG), other minor cannabinoids, and terpenes; Instruments for industrial testing of psychedelic substances for product quality markers, namely, psilocin, psilocybin, N,N-dimethyltryptamine (DMT), psychedelic-related tryptamines, lysergamides, mescaline, salvinorin A, salvinorin B, kratom, mitragynine, kavalactones, and kava kava; Instruments for industrial testing of agricultural crops for product quality markers, sugar content in blueberries and strawberries, caffeine content in coffee, sugar content in biofuel crops, and starch content in biofuel crops; Instruments for industrial testing of alcoholic beverages for product quality markers, namely, alcohol content, sugar content, compounds related to International Bitterness Units (IBU) scale, phenolic compounds, aldehydes, acetates, methoxypyrazines, acids, diacetyl, and acetylaldehyde