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Contact: Sarah Clarke s.l.clarke@sheffield.ac.uk

cell-mineral interface research programme. Cell-Mineral Interface Programme Seminar Series 2006. Zhenyu Zhang, Department of Physics & Astronomy: Interaction Between Poly( N , N -dimethyl acrylamide) (PDMA) and different surfaces.

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Contact: Sarah Clarke s.l.clarke@sheffield.ac.uk

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  1. cell-mineral interface research programme Cell-Mineral Interface Programme Seminar Series 2006 Zhenyu Zhang, Department of Physics & Astronomy: Interaction Between Poly(N,N-dimethyl acrylamide) (PDMA) and different surfaces In recent years, atomic force microscopy (AFM) has provided a range of new opportunities for viewing and manipulating microbial surfaces in their native environments. A molecular force probe (MFP) is being used in this project to investigate the interaction force between cell and surfaces by stretching the cell from surface. Poly(N,N-dimethyl acrylamide) (PDMA) is a good synthetic polymer to start as model polymer. The statistic analysis of adsorption force between different molecular weight PDMA and silicon oxide surface provides essential information of the polymer-surface interaction. During the adhesion of cells to the surface, a quartz crystal microbalance with dissipation (QCM-D) makes it possible to detect very small mass changes as well as viscoelastic properties at the interface. Thursday, 16 March 2006 at 4pm Room E39, Hicks Building, Department of Physics & Astronomy Contact:Sarah Clarke s.l.clarke@sheffield.ac.uk www.shef.ac.uk/cmi/researchprogramme/seminars

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