Search Results - "Roberto Barbosa de Lima, Allysson"

Paper based device (PAD) for colorimetric determination of ranitidine in pharmaceutical samples by Guimarães F. Júnior, Jose, Roberto Barbosa de Lima, Allysson, John Duarte de Freitas, Alan, Duarte de Freitas, Johnnatan, Rodrigues Limad, Phabyanno, Caxico de Abreu, Fabiane, Meneses, Diogenes

“…[Display omitted] •A paper based device for ranitidine determination was developed;•The device is simple, low-cost, and easy to operate;•Ranitidine…”
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EVALUATION OF THE RADICAL N , N -DIETHYL-1,4-FENILENEDIANIME (DEPD •+ ) AS A SPECTROPHOTOMETRIC PROBE FOR DETERMINING ANTIOXIDANT CAPACITIES IN BEVEREGES by Santos, Rosicleide Viturina dos, Lima, Allysson Roberto Barbosa de, Oliveira, Paulo César Costa de, Figueiredo, Isis Martins, Santos, Josué Carinhanha Caldas

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Prospecção Tecnológica sobre Sensores e Biossensores Eletroquímicos para fins Ambientais by Lima, Allysson Roberto Barbosa de, Delfino, Ângladis Vieira, Abreu, Fabiane Caxico

“…Sensores/biossensores eletroquímicos são dispositivos versáteis e de grande interesse para várias indústrias, como a de controle de qualidade e ambiental. Por…”
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AVALIAÇÃO DO RADICAL N,N-DIETIL-1,4-FENILENODIAMINO (DEPD•+) COMO SONDA ESPECTROFOTOMÉTRICA PARA DETERMINAÇÃO DA CAPACIDADE ANTIOXIDANTE EM BEBIDAS by Rosicleide Viturina dos Santos, Allysson Roberto Barbosa de Lima, Paulo César Costa de Oliveira, Isis Martins Figueiredo, Josué Carinhanha Caldas Santos

“…AbstractMany well-established methods for determining the antioxidant capacities in several samples have been described in literature. However, DPPH…”
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