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. 2020 Aug 5;21(16):5602. doi: 10.3390/ijms21165602

Figure 9.

Figure 9

TEM micrographs of chitosan-caseinate PEC nanoparticles obtained in the experiments of Case II (caseinate in excess): (iv) by adding 0.1% (w/w) HMW CHI of low DA = 3% to 0.1% (w/w) sodium caseinate in CHI:NaCas volume ratios 1:10 (a) and 1:2 (b), with the corresponding dried nanoparticle size distribution (c) for CHI:NaCas volume ratio 1:2; (v) by adding 0.1% (w/w) deacetylated-LMW CHI of low DA = 3% to 0.1% (w/w) sodium caseinate in CHI:NaCas volume ratios 1:10 (d) and 1:2 (e), with the corresponding nanoparticle size distribution (f) for CHI:NaCas volume ratio 1:2. Scale bars: (a; b) 500 nm; (d) 200 nm; (e) 100 nm.