Small-Angle Neutron Scattering - Kfki

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SAS: obtained information Scattering length density (SLD) profile Particle structure (form-factor F(q)) I(q)~F 2 (q)S(q) Scattering curve q Radial distribution function (RDF) Mitglied in der Helmholtz-Gemeinschaft Particle interaction (structure-factor S(q))
Small-Angle Neutron Scattering (SANS): modern research objects Biological macromolecular complexes Self-organization in solutions of surfactants and lipids, complex liquids Mitglied in der Helmholtz-Gemeinschaft Liquid dispersions of organic and magnetic materials Polymers Tendency – study of complex mixed systems! Features of neutron scattering: •wide abilities of isotopic hydrogendeuterium substitution •magnetic scattering •high penetration depth (absence of special sample preparation)
Page 1 and 2: Small-Angle Neutron Scattering Mitg
Page 3: Small-angle neutron scattering (SAN
Page 7 and 8: Contrast variation: basic idea “C
Page 9 and 10: Example: core-shell particles ρ 1
Page 11 and 12: Guinier approximation Guinier appro
Page 13 and 14: Radius of gyration: monodisperse sy
Page 15 and 16: Contrast variation on ribosome 30S
Page 17 and 18: Polydisperse non-magnetic systems I
Page 19 and 20: Polydisperse systems. General case
Page 21 and 22: Modified shape basic function ρ s
Page 23 and 24: Polydisperse systems Intensity at z
Page 25 and 26: Case of two kinds of particles ρ ,
Page 27 and 28: Example: ferritin protein shell, R
Page 29 and 30: For particle of two components with
Page 31 and 32: Effect of magnetic scattering Monod
Page 33 and 34: Effect of magnetic scattering Polyd
Page 35 and 36: Integral scattering parameters 2 2
Page 37 and 38: Magnetic fluids (ferrofluids) Mitgl
Page 39 and 40: Magnetic drug concentrator: idea (S
Page 41 and 42: Magnetic fluids (ferrofluids): spec
Page 43 and 44: Types of ferrofluid stabilization S
Page 45 and 46: Nuclear and magnetic particle form-
Page 47 and 48: Contrast variation on FFs: separate
Page 49 and 50: Contrast variation on FFs: separate
Page 51 and 52: Dependence of match point on q Matc
Page 53 and 54: Mitglied in der Helmholtz-Gemeinsch
Page 55 and 56:
Small-angle neutron scattering Pola
Page 57 and 58:
Separation of nuclear and magnetic
Page 59 and 60:
Mitglied in der Helmholtz-Gemeinsch
Page 61 and 62:
Summary • Small-angle neutron sca
Page 63:
Thank you for attention! Mitglied i
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Small-Angle Neutron Scattering - Kfki

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