20 Result(s)

Article

Quantification of ion confinement and desolvation in nanoporous carbon supercapacitors with modelling and in situ X-ray scattering

A detailed understanding of confinement and desolvation of ions in electrically charged carbon nanopores is the key to enable advanced electrochemical energy storage and water treatment technologies. Here, we ...

C. Prehal, C. Koczwara, N. Jäckel, A. Schreiber, M. Burian, H. Amenitsch… in Nature Energy (2017)

Article

Nucleation and growth of CdS nanoparticles observed by ultrafast SAXS

Aqueous solutions containing Cd²⁺ and S^2- ions have been brought together in a T-mixer, and the formation of CdS nanoparticles has been monitored by ultrafast X-ray small angle scattering down to 0.2 ms. While no...

A. Schiener, T. Wlochowitz, S. Gerth, T. Unruh, A. Rempel… in MRS Online Proceedings Library (2013)

Article

Probing hemoglobin confinement inside submicron silica tubes using synchrotron SAXS and electrochemical response

The configuration of hemoglobin in solution and confined inside silica nanotubes has been studied using synchrotron small angle X-ray scattering and electrochemical activity. Confinement inside submicron tubes...

Soumit S. Mandal, Brindha Nagarajan, H. Amenitsch… in European Biophysics Journal (2013)

Article

X-ray lithography and small-angle X-ray scattering: a combination of techniques merging biology and materials science

The advent of micro/nanotechnology has blurred the border between biology and materials science. Miniaturization of chemical and biological assays, performed by use of micro/nanofluidics, requires both careful...

B. Marmiroli, H. Amenitsch in European Biophysics Journal (2012)

Article

Time-resolved structure investigation with small angle X-ray scattering using scanning techniques

Due to the availability of high-brilliance X-rays at synchrotron radiation facilities, small angle X-ray scattering (SAXS) measurements have become feasible for new sample environments, like microfluidics or a...

H. Amenitsch, B. Marmiroli in Rendiconti Lincei (2011)

Article

Reconstitution of aluminium and iron core in horse spleen apoferritin

This study investigates the uptake of iron and aluminium by apoferritin. In particular, we provide the first evidence that apoferritin is able to bind in vitro the physiological form of aluminium, Al(OH)₄ ...

G. Ciasca, M. Chiarpotto, G. Campi, B. Bocca, M. Rodio… in Journal of Nanoparticle Research (2011)

Article

Role of temperature-independent lipoplex–cell membrane interactions in the efficiency boost of multicomponent lipoplexes

Multicomponent lipoplexes have recently emerged as especially promising transfection candidates, as they are from 10 to 100 times more efficient than binary complexes usually employed for gene delivery purpose...

C Marchini, D Pozzi, M Montani, C Alfonsi, A Amici… in Cancer Gene Therapy (2011)

Article

Time-resolved in-situ X-ray diffraction study of the formation of 3D-hexagonal mesoporous silica films

Highly oriented 3D-hexagonal silica thin films have been produced on silicon substrates by dip-coating technique, using cetyltrimethylammonium (CTAB) bromide as structuring agent. For the first time, time-reso...

D. Grosso, P. A. Albouy, H. Amenitsch, A. R. Balkenende… in MRS Online Proceedings Library (2011)

Article

Counterion condensation in ionic micelles as studied by a combined use of SANS and SAXS

We report a combined use of small-angle neutron scattering (SANS) and small-angle X-ray scattering (SAXS) to the study of counterion condensation in ionic micelles. Small-angle neutron and X-ray scattering mea...

V. K. Aswal, P. S. Goyal, H. Amenitsch, S. Bernstorff in Pramana (2004)

Article

A First Insight in the Mechanisms Involved in the Self-Assembly of 2D-Hexagonal Templated SiO₂ and TiO₂ Mesostructured Films During Dip-Coating

Since mesoporous materials can be prepared by combining the sol-gel chemistry and the structuring effect of surfactants, they have attracted attention for application in various high technology fields. The pre...

D. Grosso, F. Babonneau, C. Sanchez… in Journal of Sol-Gel Science and Technology (2003)

Article

Industrial applications of the aggregation of block copolymers in supercritical CO₂: a SANS study

Industrial applications of supercritical carbon dioxide (scCO₂) rely upon the rather selective and easily adjustable solvent ability of CO₂. CO₂ near the critical point is a poor solvent for high molecular weight...

F. Lo Celso, A. Triolo, F. Triolo, J. McClain, J.M. Desimone… in Applied Physics A (2002)

Article

SAXS investigation on aggregation phenomena in supercritical CO₂

Synchrotron Small-Angle X-Ray scattering (SAXS) measurements on aggregate formation of a Polyvinyl acetate-b-Perfluoro octyl acrylate (PVAc-b-PFOA) block copolymer in supercritical CO₂ are here reported. Experime...

F. Lo Celso, A. Triolo, F. Triolo, D.I. Donato… in The European Physical Journal E (2002)

Chapter

Fragmentation in Large Strain Cold Rolled Aluminium as Observed by Synchrotron X-Ray Bragg Peak Profile Analysis (SXPA), Electron Back Scatter Patterning (EBSP) and Transmission Electron Microscopy (TEM)

In the last decade investigations of plastic deformation have focussed on the large strain ranges, i.e. stage IV and V of deformation [1–5]. Although several models have been developed to explain the work hardeni...

E. Schafler, M. Zehetbauer, P. Hanak… in Investigations and Applications of Severe … (2000)

Article

Contributory presentations/posters

N. Manoj, V. R. Srinivas, A. Surolia, M. Vijayan, K. Suguna… in Journal of Biosciences (1999)

Chapter

Nature of Irreversible Structural Changes Induced By Intense Light in Thylakoids. Small Angle X-ray and Neutron Scattering of Magnetically Aligned Chloroplasts

Earlier, by measuring light induced CD changes (ΔCD) in thylakoid membranes, it was shown that granal thylakoid membranes are capable of undergoing light induced reversible changes in their macrodomains posses...

T. Jávorfi, H. Amenitsch, P. Laggner, Z. Cseh… in Photosynthesis: Mechanisms and Effects (1998)

Chapter

Reconstitution of Membranes Using Non-Bilayer Forming Lipids and Plant LHCII

At the molecular level, the structure of the thylakoid membranes is quite complex: they contain specific mixtures of different lipid molecules and a large number of membrane proteins and their aggregates. Thyl...

I. Simidjiev, S. Stoylova, A. Holzenburg… in Photosynthesis: Mechanisms and Effects (1998)

Chapter

Studies on the 14.5 nm Meridional X-Ray Diffraction Reflection During Length Changes of Intact Frog Muscle Fibres

The intensity of the 14.5 nm meridional reflection (M3) from activated skeletal muscle fibres was studied in both single fibres and fibre bundles during the imposition of length changes. During shortening at s...

P. J. Griffiths, H. Amenitsch, C. C. Ashley… in Mechanisms of Work Production and Work Abs… (1998)