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- W3207034470 abstract "Quality assurance of finished pharmaceuticals is a necessity in ensuring the safety of consumers. There is a need for low-cost and portable rapid screening methods of pharmaceuticals in resource limited areas. Recent advances in technology have made handheld and low-cost diffuse reflectance spectrometers available to the public. While these handheld spectrometers offer advantages over benchtop spectrometers, the accuracy and repeatability must be assessed before these instruments can be used for quality assurance screening. Here, five handheld spectrometers of the same model were purchased, where an in-house installation qualification and operational qualification (IQOQ) was subsequently established for the instruments. Wavelength and photometric accuracy (and repeatability), spectroscopic noise, stray light, and bandpass were assessed between instruments. Results were found to be consistent between the spectrometers, passing IQOQ procedures, and were determined to be ready for field use. Once the handheld spectrometer’s performance was verified, a practical and low-cost daily performance verification was established using common high density polyethylene vial caps on location in South Africa, Thailand, and the United States. A Mahalanobis distance-based classifier found the five spectrometers to be in agreement." @default.
- W3207034470 created "2021-10-25" @default.
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- W3207034470 date "2022-02-01" @default.
- W3207034470 modified "2023-10-05" @default.
- W3207034470 title "Establishment of instrument operation qualification and routine performance qualification procedures for handheld near-infrared spectrometers used at different locations within a laboratory network" @default.
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- W3207034470 doi "https://doi.org/10.1016/j.saa.2021.120512" @default.
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