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On the loss of information in PCA of spectrum-images.
Potapov P. Potapov P. Ultramicroscopy. 2017 Nov;182:191-194. doi: 10.1016/j.ultramic.2017.06.023. Epub 2017 Jul 6. Ultramicroscopy. 2017. PMID: 28697383
Principal Component Analysis (PCA) can drastically denoise STEM spectrum-images but might distort or cut off the important variations in data. ...
Principal Component Analysis (PCA) can drastically denoise STEM spectrum-images but might distort or cut off the important variations …
pH sensitive tubules of a bile acid derivative: a tubule opening by release of wall leaves.
di Gregorio MC, Pavel NV, Jover A, Meijide F, Vázquez Tato J, Soto Tellini VH, Alfaro Vargas A, Regev O, Kasavi Y, Schillén K, Galantini L. di Gregorio MC, et al. Phys Chem Chem Phys. 2013 May 28;15(20):7560-6. doi: 10.1039/c3cp00121k. Epub 2013 Apr 15. Phys Chem Chem Phys. 2013. PMID: 23588347
It involves a release of wall layers similar to leaves, and is determined by a drastic pH-triggered change in the molecular arrangement, which in turn induces a radical modification of the wall curvature. ...
It involves a release of wall layers similar to leaves, and is determined by a drastic pH-triggered change in the molecular arrangeme …