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Łukasz Spisak and Waldemar Nowicki

APPLICATION OF MODIFIED SAW METHOD IN THE STUDY OF CONFORMATION OF THE SINGLE POLYMER CHAIN TERMINALLY ATTACHED TO THE FLAT SURFACE. Łukasz Spisak and Waldemar Nowicki. Practical application. stabilization of colloidal suspensions biocompatibility detergency etc. C onformational entropy.

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Łukasz Spisak and Waldemar Nowicki

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  1. APPLICATION OF MODIFIED SAW METHOD IN THE STUDY OF CONFORMATION OF THE SINGLE POLYMER CHAINTERMINALLY ATTACHED TO THE FLAT SURFACE Łukasz Spisak and Waldemar Nowicki

  2. Practical application • stabilizationofcolloidalsuspensions • biocompatibility • detergency • etc.

  3. Conformational entropy • S/kB=ln(C)+(γ-1)ln(N)+Nln(ωeff) • ΔS/kB=βln(N)

  4. Goal What function describe ΔS=f(N) for short polymer chains?

  5. Model

  6. Model

  7. Move „100”

  8. Move „100”

  9. and star blocking

  10. Move „112”

  11. Move „112”

  12. and box blocking

  13. Conformational entropy

  14. Conformational entropy

  15. Conformational entropy

  16. Conformational entropy

  17. Results ΔS/kB=β ln(N)

  18. Change of entropy

  19. Scaling exponents

  20. Thank you for your attention

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