Characterization of mPEG-CS(SH)-CHO Conjugate

Fourier-transform infrared (FT-IR) spectra of CS, mPEG-CS, mPEG-CS-CHO, and mPEG-CS(SH)-CHO were recorded by an FT-IR Tensor II spectrometer (Bruker, Zurich, Switzerland) to confirm the formation of mPEG-CS(SH)-CHO. Moreover, the proton nuclear magnetic resonance (¹H NMR) study was also performed on a Bruker AV-400 spectrometer (Bruker, Zurich, Switzerland) using DMSO-d6 as the solvent. The critical micelle concentration (CMC) of mPEG-CS(SH)-CHO and the substitution degree of mPEG, CHO, and NAC were determined according to the previous report [26 (link)].

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Han Y., Liang N., Yan P., Kawashima Y., Cui F, & Sun S. (2020). A Chitosan-Based Micellar System as Nanocarrier For the Delivery of Paclitaxel. Polymers, 12(2), 380.

Publication 2020

FT-IR Tensor II spectrometer AV-400 spectrometer

1h nmr Dmso Micelle Mpeg Nuclear magnetic resonance Proton Solvent

Corresponding Organization : Harbin Normal University

Other organizations : Aichi Gakuin University, Shenyang Pharmaceutical University

Top 5 similar protocols

Variable analysis

independent variables

Fourier-transform infrared (FT-IR) spectra of CS, mPEG-CS, mPEG-CS-CHO, and mPEG-CS(SH)-CHO
Proton nuclear magnetic resonance (1H NMR) study

dependent variables

Formation of mPEG-CS(SH)-CHO
Critical micelle concentration (CMC) of mPEG-CS(SH)-CHO
Substitution degree of mPEG, CHO, and NAC

control variables

FT-IR Tensor II spectrometer (Bruker, Zurich, Switzerland)
Bruker AV-400 spectrometer (Bruker, Zurich, Switzerland)
DMSO-d6 as the solvent

controls

Positive control: Not explicitly mentioned.
Negative control: Not explicitly mentioned.

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