Triacylglycerol lipase and lipase CaLB (Candida antarctica) cooccurred with immobilized enzymes, transesterification catalyst, esterification catalysts, and nanocatalysts. Alcohol dehydrogenase, laccase, peroxidase, glucose oxidase, NADH and NAD co-occurred with photocatalysts and electrochemical reaction catalysts. Alcohol dehydrogenase, NADH, NAD, and NADPH showed up with coenzymes, as they are either coenzymes themselves (ex. NADH, NAD and NADPH) or enzymes which benefit from these coenzymes. Biochemical fuel cells, biosensors, bioreactors, and their individual components such as electrodes are the most reported apparatuses within the biocatalysis publications (Figure ). The high patent to journal ratio of bioelectrodes and electrodes for the biochemical fuel cells shows commercial interest in these devices. The cooccurrence of the catalysts and apparatuses is showing in Figure . Due to its ability to facilitate oxygen reduction reaction, laccase is the most used substance in biochemical fuel cells. Triacylglycerol lipase and carbon are the most used catalysts in bioreactors and fuel cell cathodes respectively. Glucose oxidase is the most used substance in biosensors due to the need for glucose monitoring in healthcare.