Two‐focus fluorescence correlation spectroscopy: a new tool for accurate and absolute diffusion measurements

T Dertinger, V Pacheco, I von der Hocht… - …, 2007 - Wiley Online Library
We present a new method to measure absolute diffusion coefficients at nanomolar concentrations
with high precision. Based on a modified fluorescence correlation spectroscopy (FCS)‐…

Evidence for distinct electron transfer processes in terminal oxidases from different origin by means of protein film voltammetry

T Meyer, F Melin, H Xie, I Von Der Hocht… - Journal of the …, 2014 - ACS Publications
Cytochrome aa 3 from Paracoccus denitrificans and cytochrome ba 3 from Thermus thermophilus,
two distinct members of the heme–copper oxidase superfamily, were immobilized on …

Measuring large numerical apertures by imaging the angular distribution of radiation of fluorescing molecules

L Dai, I Gregor, I von der Hocht, T Ruckstuhl… - Optics express, 2005 - opg.optica.org
Exact knowledge of the numerical aperture is crucial in many applications using high-aperture
objectives such as confocal microscopy, optical trapping, or advanced sub-wavelength …

Elucidation of the viral disassembly switch of tobacco mosaic virus

F Weis, M Beckers, I von Der Hocht, C Sachse - EMBO reports, 2019 - embopress.org
Stable capsid structures of viruses protect viral RNA while they also require controlled
disassembly for releasing the viral genome in the host cell. A detailed understanding of viral …

Translational diffusion and interaction of a photoreceptor and its cognate transducer observed in giant unilamellar vesicles by using dual‐focus FCS

J Kriegsmann, I Gregor, I Von der Hocht, J Klare… - …, 2009 - Wiley Online Library
In order to monitor membrane–protein binding in lipid bilayers at physiological protein
concentrations, we employed the recently developed dual‐focus fluorescence correlation …

Surface sticking and lateral diffusion of lipids in supported bilayers

T Dertinger, I von der Hocht, A Benda, M Hof… - Langmuir, 2006 - ACS Publications
The diffusion of fluorescently labeled lipids in supported bilayers is studied using two
different methods: Z-scan fluorescence correlation spectroscopy (z-scan FCS) and two-focus …

Development of a Thermofluor assay for stability determination of membrane proteins using the Na+/H+ antiporter NhaA and cytochrome c oxidase

M Kohlstaedt, I Von Der Hocht, F Hilbers… - … Section D: Biological …, 2015 - scripts.iucr.org
Crystallization of membrane proteins is very laborious and time-consuming, yielding well
diffracting crystals in only a minority of projects. Therefore, a rapid and easy method is required …

Interconversions of P and F intermediates of cytochrome c oxidase from Paracoccus denitrificans

I von der Hocht, JH van Wonderen… - Proceedings of the …, 2011 - National Acad Sciences
Cytochrome c oxidase (CcO) is the terminal enzyme of the respiratory chain. This redox-driven
proton pump catalyzes the four-electron reduction of molecular oxygen to water, one of …

[HTML][HTML] True wild type and recombinant wild type cytochrome c oxidase from Paracoccus denitrificans show a 20-fold difference in their catalase activity

F Hilbers, I von der Hocht, B Ludwig… - Biochimica et Biophysica …, 2013 - Elsevier
The four subunit (SU) aa 3 cytochrome c oxidase (CcO) from Paracoccus denitrificans is one
of the terminal enzymes of the respiratory chain. Its binuclear active center, residing in SU I, …

Resonance Raman Characterization of the Ammonia-Generated Oxo Intermediate of Cytochrome c Oxidase from Paracoccus denitrificans

J Kozuch, I von der Hocht, F Hilbers, H Michel… - Biochemistry, 2013 - ACS Publications
… Our results support the hypothesis by von der Hocht et al. [von der Hocht, I., et al. (2011) …
612 nm in the P N state that was first observed by von der Hocht et al. The P N state can also be …