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. 2021 Nov 7;26(21):6734. doi: 10.3390/molecules26216734

Table 1.

Opacity values and real images of the appearance of the SP films to the human eye of polymeric bionanocomposite films.

Sample Opacity
(AU × nm)		 Pictures Sample Opacity
(AU × nm)		 Pictures
SP 12.51 ± 0.02 a
(at 400 nm) *		 graphic file with name molecules-26-06734-i001.jpg
SP0.5MMT 12.96 ± 0.09 a
(at 510 nm) *		 graphic file with name molecules-26-06734-i002.jpg SP0.5MMT-s 12.55 ± 0.09 a
(at 510 nm) *		 graphic file with name molecules-26-06734-i003.jpg
SP1.0MMT 23.28 ± 0.12 b
(at 590 nm) *		 graphic file with name molecules-26-06734-i004.jpg SP1.0MMT-s 15.26 ± 0.08 c
(at 590 nm) *		 graphic file with name molecules-26-06734-i005.jpg
SP1.5MMT 28.87 ± 0.17 b
(at 590 nm) *		 graphic file with name molecules-26-06734-i006.jpg SP1.5MMT-s 17.12 ± 0.11 c
(at 590 nm) *		 graphic file with name molecules-26-06734-i007.jpg

* Maximum absorption peak measured. SP control sample without nanoclay. Different letters (a, b, c) in the same column denote significant differences for the set of means in each treatment (with and without ultrasound) (p < 0.05).