Subject: diffusivity and crystal structure / Text Availability: Full Text

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Author:: Karve, Kiran A.; Gil, Eun Seok; McCarthy, Stephen P.; Kaplan, David L.
Source:: Journal of membrane science 2011 v.383 no.1-2 pp. 44-49
ISSN:: 0376-7388
Subject:: artificial membranes; crystal structure; diffusivity; drugs; fibroins; fluorescein; lysozyme; mass transfer; permeability; silk; silk proteins; vitamin B12
Abstract:: ... The material properties of silk are favorable for drug delivery due to the ability to control material structure and morphology under ambient, aqueous processing conditions. Mass transport of compounds with varying physical–chemical characteristics was studied in silk fibroin films with control of β-sheet crystalline content. Two compounds, vitamin B12 and fluorescein isothiocynate (FITC) labeled ...
DOI:: 10.1016/j.memsci.2011.08.032
PubMed:: 22135474
PubMed Central:: PMC3224987
: http://dx.doi.org/10.1016/j.memsci.2011.08.032

Author:: Gariano, Graziella; Lesnyak, Vladimir; Brescia, Rosaria; Bertoni, Giovanni; Dang, Zhiya; Gaspari, Roberto; De Trizio, Luca; Manna, Liberato
Source:: Journal of the American Chemical Society 2017 v.139 no.28 pp. 9583-9590
ISSN:: 1520-5126
Subject:: cation exchange; cations; crystal structure; diffusivity; lead; nanocrystals
Abstract:: ... Stoichiometric Cu₂Se nanocrystals were synthesized in either cubic or hexagonal (metastable) crystal structures and used as the host material in cation exchange reactions with Pb²⁺ ions. Even if the final product of the exchange, in both cases, was rock-salt PbSe nanocrystals, we show here that the crystal structure of the starting nanocrystals has a strong influence on the exchange pathway. The e ...
DOI:: 10.1021/jacs.7b03706
PubMed:: 28644018
PubMed Central:: PMC6105078
: http://dx.doi.org/10.1021/jacs.7b03706