Small-Angle Neutron Scattering - Kfki

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Structure parameters of aggregates Mitglied in der Helmholtz-Gemeinschaft I c , x10 -20 cm 3 10 1 0.1 0.01 1E-3 0.1 1 q, nm -1 LA MA p(r) 0.15 0.10 0.05 Characteristic radii of aggregates: (19.5 ± 0.3) nm (LA+LA stabilization) (13.8 ± 0.1) nm (MA+MA stabilization) 0.25 TEM of separate particles 0.20 Indirect Fourier Transform of I c (q) MA Indirect Fourier Transform of scattering curve of the sample on H 2 O LA MA LA 0.00 0 10 20 30 40 50 r, nm In case of lauric acid stabilization nanomagnetite is coated with a surfactant shell with thickness ~3.5 nm. In the sample with myristic acid stabilization the aggregates in the system consist of nanomagnetite with one incomplete layer of the acid.
Mitglied in der Helmholtz-Gemeinschaft Aggregate structure of both ferrofluids magnetite/lauric acid/water magnetite/myristic acid/water
Page 1 and 2: Small-Angle Neutron Scattering Mitg
Page 3 and 4: Small-angle neutron scattering (SAN
Page 5 and 6: 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: Dependence of match point on q Matc
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

Small-Angle Neutron Scattering - Kfki

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