A paper-based device for the colorimetric determination of ammonia and carbon dioxide using thiomalic acid and maltol functionalized silver nanoparticles: application to the enzymatic determination of urea in saliva and blood
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1944 ◽
Vol 142
(5)
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pp. 744-757
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2017 ◽
Vol 170
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pp. 97-103
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2017 ◽
Vol 235
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pp. 680-689
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2020 ◽
Vol 236
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pp. 118281
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