Quaternary Ammonium-based Composite Particles for Antibacterial Finishing of Cotton-based Textiles |
Fig. 4. Optical micrographs of a silicon substrate impregnated from QT0.08 sol before a and after dilution by a factor 4 in ethanol c, and QT0.37 sol before b and after dilution by a factor 6 in ethanol d. |
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