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. 2023 Mar 6;10:1122876. doi: 10.3389/fnut.2023.1122876

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Copyright © 2023 Bai, Zhang, Li and Liang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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SERS spectra of CD_Fe-GX-HAuCl₄ catalytic/inhibition/analysis system. (A) (0, 8, 16, 24, 32, 48, 56, and 64 μg/L) CD_Fe-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX−6.67 × 10⁻⁷ mol/L VBB. (B) (0, 16, 48, 80, 96, and 128 μg/L) CD_HM-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX-6.67 × 10⁻⁷ mol/L VBB. (C) (0, 0.4 1.6, 3.2, 4, 5.3, and 6 nmol/L) Apt_CBZ-48 μg/L, CD_Fe-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX-6.67 × 10⁻⁷ mol/L. (D) (0, 2.6, 4, 6.7, 8, and 10 nmol/L) Apt_PF-48 μg/L, CD_Fe-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX-6.67 × 10-7 mol/L VBB. (E) (0, 0.03, 0.13, 0.26, 0.46, and 0.8 μg/L) CBZ + 4 nmol/L, Apt_CBZ-48 μg/L, CD_Fe-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX-6.67 × 10⁻⁷ mol/L VBB. (F) (0, 6.7, 16, 32, 40, and 53 μg/L) PF + 8 nmol/L, Apt_PF-48 μg/L, CD_Fe-53.3 μg/ml, HAuCl₄-1.2 mmol/L, HCl-3.48 mmol/L, GX-6.67 × 10⁻⁷ mol/L VBB.