What question did this study set out to answer?

To engineer a rapid, noninvasive lateral flow assay platform for measuring salivary glycated hemoglobin ratio (HbA1c %) to enable point-of-care diabetes testing.

August 15, 2026Analytical Chemistry

Noninvasive, Rapid, and Ultrasensitive Detection ofSalivary Glycated Hemoglobin for Point-of-Care Testing of Diabetes

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To engineer a rapid, noninvasive lateral flow assay platform for measuring salivary glycated hemoglobin ratio (HbA1c %) to enable point-of-care diabetes testing.
Engineered a dual-detection lateral flow assay strip combining a streptavidin-biotin bridging system for HbA1c (T1 line) and a double-antibody sandwich format for nonglycated Hb (T2 line).
Paired the single-step assay strip with a 3D-printed, smartphone-based fluorescence reader and validated analytical accuracy against paired venous blood samples.
Achieved simultaneous, single-step quantification of absolute salivary Hb and HbA1c concentrations to calculate HbA1c %.
Demonstrated analytical accuracy that correlated with clinical measurements from paired venous blood samples.

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Implication

Diagnostic study demonstrates accurate quantification of salivary glycated hemoglobin via a dual-detection lateral flow assay, indicating potential for at-home point-of-care diabetes screening.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a8037d975c2e31742c86e41 https://doi.org/10.1021/acs.analchem.6c04091

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Implication

Diagnostic study demonstrates accurate quantification of salivary glycated hemoglobin via a dual-detection lateral flow assay, indicating potential for at-home point-of-care diabetes screening.

Noninvasive, Rapid, and Ultrasensitive Detection ofSalivary Glycated Hemoglobin for Point-of-Care Testing of Diabetes

Key Points

Discussion

Implication

Cite This Study

Noninvasive, Rapid, and Ultrasensitive Detection ofSalivary Glycated Hemoglobin for Point-of-Care Testing of Diabetes

Key Points

Discussion

Implication

Cite This Study

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