Fourier transform infrared (FTIR, Bio-Rad Win-IR spectrometer, UK) spectrometry was used to detect chemical groups. The FTIR spectra were obtained in the wavelength range of 400–4000 cm−1 with a resolution of 4 cm−1.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.