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| Improved Procedure on the Microscopic Approach to Determine Colloidal Stability | |
Sun ZW(孙祉伟) ; Xu SH(徐升华); Liu J; Li YM; Lou LR; Jie JC(解京昌); Sun, ZW (reprint author), Chinese Acad Sci, Inst Mech, NML, Beijing 100080, Peoples R China.
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| Source Publication | Journal of Chemical Physics
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| 2005 | |
| Volume | 122Issue:18Pages:Art.No.184904 |
| ISSN | 0021-9606 |
| Abstract | We present an improved procedure on the approach to determine the stability of polystyrene spheres at microscopic particle levels by means of artificially induced particle collisions with the aid of optical tweezers [J.Chem.Phys. 119, 2399(2003)]. The basic consideration on this new development is that the major contribution to the sticking probability for a particle pair caught into the optical trap for a short period is from its single collision; therefore, if the trapping duration for the pair is taken to be short, the accumulated sticking probability will be a good approximation for the single collision. The experimental procedure associated with this approximation does not resort to exactly controlling the short trapping duration or request the trapping duration correction as previously reported and therefore it is more practical and applicable for broader range of the stability ratio. The experimental results under different electrolyte concentrations by the new procedure are consistent with those from the turbidity measurements. |
| Subject Area | 力学 |
| DOI | 10.1063/1.1890926 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000229275600081 |
| WOS Research Area | Physics |
| WOS Subject | Physics, Atomic, Molecular & Chemical |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/16799 |
| Collection | 力学所知识产出(1956-2008) |
| Corresponding Author | Sun, ZW (reprint author), Chinese Acad Sci, Inst Mech, NML, Beijing 100080, Peoples R China. |
| Recommended Citation GB/T 7714 | Sun ZW,Xu SH,Liu J,et al. Improved Procedure on the Microscopic Approach to Determine Colloidal Stability[J]. Journal of Chemical Physics,2005,122,18,:Art.No.184904. |
| APA | 孙祉伟.,徐升华.,Liu J.,Li YM.,Lou LR.,...&Sun, ZW .(2005).Improved Procedure on the Microscopic Approach to Determine Colloidal Stability.Journal of Chemical Physics,122(18),Art.No.184904. |
| MLA | 孙祉伟,et al."Improved Procedure on the Microscopic Approach to Determine Colloidal Stability".Journal of Chemical Physics 122.18(2005):Art.No.184904. |
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