Supporting Information

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Supporting Information

Aggregation and Deposition of Engineered Nanomaterials in Aquatic Environments: Role of Physicochemical Interactions

ADAMO R. PETOSA1, DEB P. JAISI2, IVAN R. QUEVEDO1, MENACHEM ELIMELECH2 and NATHALIE TUFENKJI1,* 1

Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 2B2, Canada 2 Department of Chemical Engineering, Environmental Engineering Program, Yale University, New Haven, CT 06520-8286

*

Corresponding Author. Phone: (514) 398-2999; Fax: (514) 398-6678; E-mail: [email protected]

1

Introduction. The purpose of this section is to provide additional information of interest to the reader; namely, tables summarizing major nanomaterials and listing values of Hamaker constants for particle-particle and particle-collector interactions in water. Table S1. Summary of Major Nanomaterials of Interest and their Key Properties IEP (pHzpc)

representative applications

representative references

4.7 - 6.4

batteries electronics orthopedic implants plastics sensors

(1-3 )

d = 0.7 - 1.1 nm L = 80 - 200 nm

2.2

automotives batteries electronics orthopedic implants plastics sensors

(2, 4, 5 )

fullerenes (n C60, n C70)

168 - 725 nm

0.45 - 2.3

cosmetics tires batteries tennis rackets

(5-8 )

fullerols (C60 hydroxide)

1 - 100 nm

2.3 - 3

drug delivery pharmaceuticals remediation

(5, 9, 10 )

60 - 158 nm

5.3 - 7.9

dentistry electrical insulation filters

(11-13 )

(13-15 )

nanoparticle type

representative image

size

Carbon-based

d = 9 - 70 nm L = 1 -2 µm

MWNTs

SWNTs

n/a

Inorganic aluminum oxide (n Al2O3)

cerium oxide (n CeO2)

20 - 157 nm

7-8

catalysts ceramics fuel cells gas sensors oxygen pumps

gold (n Au)

2 - 6 nm

4.9 - 5.5

catalysts electronics medical applications

(2, 16 )