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Technologies 2017, 5(3), 52; doi:10.3390/technologies5030052

Teaching Enzyme Activity to the Visual Impaired and Blind Students

Programa de Educação, Gestão e Difusão em Biociências, Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
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Received: 17 May 2017 / Revised: 1 August 2017 / Accepted: 14 August 2017 / Published: 17 August 2017
(This article belongs to the Special Issue Education Technologies)
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Abstract

Biochemistry requires a high abstraction level, and different approaches should be used to enable the proper understanding of different subjects. In particular, students with visual impairment or blindness need special attention, not due to a lack of cognitive skills, but due to the fact that most of the teaching methods are visual. Enzyme properties are usually taught through experimental data that show how the activity changes in different conditions, which end up with the analysis of graphs. Therefore, our group developed experiments and graphical representations that enable visually impaired and blind students to understand enzyme properties. The experiments were done with pineapple bromelain, using reconstituted dry milk and gelatin as substrates. The “visualization” of the results were based on the sensation of the viscosity of the samples. The graphs were made with cold porcelain with all the labels (legends and numbers) written in Braille with a positive slate. From our experience with a blind student, both the experiments and the graphic representations were useful adaptations for teaching enzyme properties. View Full-Text
Keywords: enzyme activity; visual impaired; blind; Biochemistry enzyme activity; visual impaired; blind; Biochemistry
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MDPI and ACS Style

de Oliveira, F.S.; Nascimento, A.S.; Bianconi, M.L. Teaching Enzyme Activity to the Visual Impaired and Blind Students. Technologies 2017, 5, 52.

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