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. Author manuscript; available in PMC: 2012 Aug 28.
Published in final edited form as: ACS Appl Mater Interfaces. 2010 Oct;2(10):2749–2758. doi: 10.1021/am100616b

Table 6.

Uptake Study of Metal-Bound SH-SAMMS with a Caco-2 Cell Monolayer

sample AsIII CdII HgII PbII TEER (Ω cm2)
metal-bound SAMMS (μg)a 1.4 ± 0.03 2.5 ± 0.00 2.5 ± 0.00 2.5 ± 0.00
test group (ng)b 1.2 ± 0.01 0.3 ± 0.11 1.3 ± 0.43 0.5 ± 0.16 798 ± 16
blank (ng)c 2.1 ± 0.15 0.4 ± 0.12 0.9 ± 0.00 0.1 ± 0.03 792 ± 19
% metal transport 0 0 0.02 0.02
a

Estimated from 0.0025 g of SH-SAMMS bound with 0.6 mg of As and 1.0 mg of Cd, Hg, and Pb per g of SH-SAMMS.

b

Metals in the basolateral side of Caco-2 cells after 2 h of contact with the material in footnote a, in triplicate.

c

Metals in the basolateral side of Caco-2 cells after 2 h of contact with the filtrate of metal-bound SAMMS suspension (after solid removal), in duplicate.