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Article
pH-sensitive N,N-(dimethyl)-N-alkanamine-N-oxides as gene delivery vectors
N,N-(Dimethyl)-N-alkanamine-N-oxides C n NO (n = 12 and 16) are amphiphiles that exist in neutral as well as in cationic forms depending on pH of ...
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Article
The location of coenzyme Q10 in phospholipid membranes made of POPE: a small-angle synchrotron X-ray diffraction study
The location of coenzyme Q10 (Q10) inside the inner mitochondrial membrane is a topic of research aiming at a deeper understanding of the function of the mitochondrial respiratory chain. We investigated the lo...
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Article
Crystallization of nanocomposites of an isotactic random butene-1/ethylene copolymer and layered double hydroxide
The effect of the presence of a layered double hydroxide (LDH) nanofiller on the crystallization behavior of a random isotactic butene-1/ethylene copolymer was investigated. Addition of LDH enhanced heterogene...
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Article
Confined lamella formation in crystalline-crystalline poly(ethylene oxide)-b-poly(ɛ-caprolactone) diblock copolymers
The real time and in situ investigation of the crystallization process and structure transitions of asymmetric crystalline-crystalline diblock copolymers from the melt was performed with synchrotron simultaneous ...
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Article
Influence of Cholesterol and β-Sitosterol on the Structure of EYPC Bilayers
The influence of cholesterol and β-sitosterol on egg yolk phosphatidylcholine (EYPC) bilayers is compared. Different interactions of these sterols with EYPC bilayers were observed using X-ray diffraction. Chol...
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Article
Collapse transition in thin films of poly(methoxydiethylenglycol acrylate)
The thermal behavior of poly(methoxydiethylenglycol acrylate) (PMDEGA) is studied in thin hydrogel films on solid supports and is compared with the behavior in aqueous solution. The PMDEGA hydrogel film thickn...
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Article
The effects of cholesterol and β-sitosterol on the structure of saturated diacylphosphatidylcholine bilayers
The structures of DMPC and DPPC bilayers in unilamellar liposomes, in the presence of 33.3 mol% cholesterol or the plant sterol β-sitosterol, have been studied by small-angle neutron scattering. The bilayer th...
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Chapter and Conference Paper
Swelling of a Sponge Lipid Phase via Incorporation of a Nonionic Amphiphile: SANS and SAXS Studies
Small-angle X-ray scattering (SAXS) is employed to establish the structure of a self-assembled lipid/water system formed in excess aqueous phase by pharmaceutical-grade glycerol monooleate (GMO). A nonionic gu...
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Article
Study of temperature dependence of crystallisation transitions of a symmetric PEO-PCL diblock copolymer using simultaneous SAXS and WAXS measurements with synchrotron radiation
The reversible transitions of the lamellae of a crystalline-crystalline diblock copolymer from the melt to crystallites were studied using simultaneous small-angle X-ray scattering (SAXS) and wide-angle X-ray ...
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Article
Open AccessStructures of regenerated cellulose films revealed by grazing incidence small-angle x-ray scattering
The characteristic in-plane length scales of ultrathin films of regenerated cellulose are measured using noncontact atomic force microscopy (NC-AFM) and grazing incidence small-angle x-ray scattering (GISAXS) ...
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Article
The structural diversity of DNA–neutral phospholipids–divalent metal cations aggregates: a small-angle synchrotron X-ray diffraction study
We investigate the structure of aggregates formed due to DNA interaction with saturated neutral phosphatidylcholines [dipalmitoylphosphatidylcholine (DPPC) and dimyristoylphosphatidylcholine] in presence of Ca2+ ...
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Article
Fibrillar level fracture in bone beyond the yield point
The nanoscale deformation and fracture mechanisms of parallel fibered bone are investigated using a novel combination of in-situ tensile testing to failure combined with high brilliance synchrotron X-ray scatteri...
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Chapter
Nanostructure development in multilayered polymer systems as revealed by X-ray scattering methods
The crystallization behaviour of semicrystalline polymers in structurally confined environments is becoming a topic of increasing interest in the area of soft condensed matter. In the present study in-situ wide a...
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Chapter
Transcrystallisation with reorientation of polypropylene in drawn PET/PP and PA66/PP blends. Part 1. Study with WAXS of synchrotron radiation
Transcrystallisation induced by annealing in the polypropylene (PP) component of nanostructured polymer-polymer composites (NPC) was studied for two different polymeric fillers. In contrast to the typical narr...
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Article
Online SAXS investigations of polymeric hollow fibre membranes
Polymeric membranes are used in industrial and analytical separation techniques. In this study small-angle X-ray scattering (SAXS) with synchrotron radiation has been applied for in-situ characterisation durin...
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Chapter
X-ray Diffraction Studies on the Effect of Additives on the Phase Behaviour of Lipids
In this chapter we will expand the discussion of lipids in bilayers to lipids in non-lamellar phases. Non-lamellar phases are important for a number of reasons: i) from the biologist’s point of view the lipids...
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Article
Induction of a hexagonal phase in phospholipid-surfactant bilayers
The possibility of modifying the curvature of lipid bilayers by mixing them with additives is demonstrated and the evolution of geometrical parameters with composition is discussed. X-ray diffraction patterns...
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Article
Cubic topology in surfactant and lipid mixtures
Ternary systems of palmitoyl-oleoyl-phosphatidylcholine (POPC) and the non-ionic surfactant C12EO2 (di-ethylene-oxide-mono-dodecyl-ether) in water have been studied with optical microscopy, NMR, DSC and X-rays fr...
