AI Article Synopsis
- A new water-soluble cellulose derivative was developed through a supramolecular route, involving a one-step reaction of carboxymethyl cellulose (CMC) with a copper complex.
- The resultant CMC-Cu(II)-terpyridine derivative underwent extensive characterization using various techniques like UV-visible spectroscopy, X-ray diffraction, and tensile strength testing.
- It exhibited significant antimicrobial activity against both Gram-positive and Gram-negative bacteria, showing effective growth inhibition at low concentrations (6 to 8 mg/L).
Article Abstract
Preparation of a new water-soluble, cellulose derivative via a supramolecular route is presented. In a one-step procedure, carboxymethyl cellulose (CMC) was reacted with the Cu(BF4)2 complex of 4'-chloro[2,2':6',2″]terpyridine to generate the desired CMC-Cu(II)-terpyridine derivative. This polymeric salt was characterized by elemental analysis, ultraviolet-visible spectroscopy (UV-visible), Fourier transform infrared (FTIR), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), rheological properties measurements, thermogravimetric analysis (TGA), dynamic mechanical thermal analysis (DMTA), and tensile strength properties testing. In addition, antimicrobial properties were demonstrated against Gram-positive bacteria (Staphylococcus aureus and Streptococcus thermophilus), Gram-negative bacteria (Escherichia coli), and yeast (Saccharomyces cervisiae). The minimum inhibitory concentration of the prepared metallo-terpyridine CMC derivative against the studied microorganisms ranged from 6 to 8 mg/L to achieve ≥90% of microbial growth inhibition.
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| http://dx.doi.org/10.1016/j.carbpol.2014.06.056 | DOI Listing |
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