Gravitational Stability of Suspensions of Attractive Colloidal Particles

@article{citeulike:2553079, abstract = {Colloidal suspensions are susceptible to gravitationally induced phase separation. This can be mitigated by the formation of a particle network caused by depletion attraction. The effectiveness of this network in supporting the buoyant weight of the suspension can be characterized by its compressional modulus. We measure the compressional modulus for emulsion networks induced by depletion attraction and present a model that quantitatively predicts their gravitational stability. We also determine the relationship between the strength of the depletion attraction and the magnitude of the compressional modulus.}, author = {Kim, Chanjoong and Liu, Yaqian and K\"uhnle, Angelika and Hess, Stephan and Viereck, Sonja and Danner, Thomas and Mahadevan, L. and Weitz, David A. }, citeulike-article-id = {2553079}, doi = {10.1103/PhysRevLett.99.028303}, journal = {Physical Review Letters}, keywords = {2007, colloids, gel, weitz}, number = {2}, posted-at = {2008-03-18 22:07:43}, priority = {2}, publisher = {APS}, title = {Gravitational Stability of Suspensions of Attractive Colloidal Particles}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000099000002028303000001\&idtype=cvips\&gifs=yes}, volume = {99}, year = {2007} }

TY - JOUR ID - citeulike:2553079 L3 - citeulike-article-id:2553079 TI - Gravitational Stability of Suspensions of Attractive Colloidal Particles JF - Physical Review Letters VL - 99 IS - 2 PB - APS N2 - Colloidal suspensions are susceptible to gravitationally induced phase separation. This can be mitigated by the formation of a particle network caused by depletion attraction. The effectiveness of this network in supporting the buoyant weight of the suspension can be characterized by its compressional modulus. We measure the compressional modulus for emulsion networks induced by depletion attraction and present a model that quantitatively predicts their gravitational stability. We also determine the relationship between the strength of the depletion attraction and the magnitude of the compressional modulus. KW - 2007 KW - colloids KW - gel KW - weitz AU - Kim, Chanjoong AU - Liu, Yaqian AU - K\"uhnle, Angelika AU - Hess, Stephan AU - Viereck, Sonja AU - Danner, Thomas AU - Mahadevan, L AU - Weitz, David PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000099000002028303000001&idtype=cvips&gifs=yes ER -