Facile, sensitive and reagent-saving smartphone-based digital image colorimetric assay of captopril tablets enabled by long-pathlength RGB acquisition

• Main Authors: Thana Thanayutsiri (Author), Thapakorn Charoenying (Author), Prasopchai Patrojanasophon (Author), Boonnada Pamornpathomkul (Author), Praneet Opanasopit (Author), Tanasait Ngawhirunpat (Author), Theerasak Rojanarata (Author)
• Format: Book
• Published: Pensoft Publishers, 2023-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

A new assay of captopril (CTP) tablets was developed based on digital image colorimetry using Ellman's reagent. For the first time, a facile technique of increasing the analytical path was applied in this work to enhance the sensitivity. For this purpose, the reaction solutions were photographe...