Agradecimentos: André Aparecido Alves and Celina Kiyomi Yamakawa from Brazilian Bioethanol Science and Technology Laboratory (CTBE) are thanked for supplying the samples and performing the FTIR and HPLC analyses. We thank also to Felipe Cassaro Frazatto for designing the

An integrated platform was developed for point-of-use determination of ethanol in sugar cane fermentation broths. Such analysis is important because ethanol reduces its fuel production efficiency by altering the alcoholic fermentation step when in excess.

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