پاورپوینت آماده; Intrinsic Viscosity of Macromolecular Solutions

مطالب اسلایدهای ابتدایی این پاورپوینت به شرح زیر است   تعداد اسلاید : 26 اسلاید Viscometry Intrinsic Viscosity of Macromolecular Solutions Viscosity of biomolecules Simple, straightforward technique for assayingSolution conformation of biomolecules & water bindingMolecular weight of biomoleculesFlexibility “ “ Why viscometry? “U-tube” (Ostwald or Ubbelohde)“Cone & Plate” (Couette) Types of Viscometer: Ostwald Viscometer “U-tube” (Ostwald or Ubbelohde)“Cone & Plate” (Couette) Types of Viscometer: Extended Ostwald Viscometer “U-tube” (Ostwald or Ubbelohde)“Cone & Plate” (Couette) Types of Viscometer: Couette-type Viscometer Water bath + 0.01oC Density meter Coolant system Solution Auto-timer For normal (Newtonian) flow behaviour:t = (F/A) = h . (dv/dy) Definition of viscosity: h = t/(dv/dy) units: (dyn/cm2)/sec-1 = dyn.sec.cm-2. . = POISE (P) At 20.0oC, h(water) ~ 0.01P For norma ...