User profiles for Udo Birk

Udo Birk

Institute for Photonics and Robotics (IPR), University of Applied Sciences of the Grisons
Verified email at fhgr.ch
Cited by 1582

Single molecule localization microscopy of the distribution of chromatin using Hoechst and DAPI fluorescent probes

…, G Best, M Hagmann, JW Dobrucki, C Cremer, U Birk - Nucleus, 2014 - Taylor & Francis
Several approaches have been described to fluorescently label and image DNA and chromatin
in situ on the single-molecule level. These superresolution microscopy techniques are …

Superresolution imaging reveals structurally distinct periodic patterns of chromatin along pachytene chromosomes

…, SH Parekh, C Cremer, UJ Birk - Proceedings of the …, 2015 - National Acad Sciences
During meiosis, homologous chromosomes associate to form the synaptonemal complex (SC),
a structure essential for fertility. Information about the epigenetic features of chromatin …

[HTML][HTML] A transient ischemic environment induces reversible compaction of chromatin

…, M Musheev, F Schock, K Fornalczyk, D Ma, U Birk… - Genome biology, 2015 - Springer
Background Cells detect and adapt to hypoxic and nutritional stress through immediate
transcriptional, translational and metabolic responses. The environmental effects of ischemia on …

High-precision structural analysis of subnuclear complexes in fixed and live cells via spatially modulated illumination (SMI) microscopy

…, W Stadter, T Jegou, K Rippe, C Cremer, U Birk - Chromosome …, 2008 - Springer
Spatially modulated illumination (SMI) microscopy is a method of wide field fluorescence
microscopy featuring interferometric illumination, which delivers structural information about …

Imaging chromatin nanostructure with binding-activated localization microscopy based on DNA structure fluctuations

…, L Klewes, J Xing, A Gourram, U Birk… - Nucleic acids …, 2017 - academic.oup.com
Advanced light microscopy is an important tool for nanostructure analysis of chromatin. In
this report we present a general concept for Single Molecule localization Microscopy (SMLM) …

[HTML][HTML] Microscopic Optical Projection Tomography In Vivo

M Rieckher, UJ Birk, H Meyer, J Ripoll… - PLOS one, 2011 - journals.plos.org
We describe a versatile optical projection tomography system for rapid three-dimensional
imaging of microscopic specimens in vivo. Our tomographic setup eliminates the in xy and z …

Super-resolution microscopy approaches to nuclear nanostructure imaging

C Cremer, A Szczurek, F Schock, A Gourram, U Birk - Methods, 2017 - Elsevier
The human genome has been decoded, but we are still far from understanding the regulation
of all gene activities. A largely unexplained role in these regulatory mechanisms is played …

Correction for specimen movement and rotation errors for in-vivo Optical Projection Tomography

UJ Birk, M Rieckher, N Konstantinides… - Biomedical optics …, 2010 - opg.optica.org
The application of optical projection tomography to in-vivo experiments is limited by specimen
movement during the acquisition. We present a set of mathematical correction methods …

Combination of structured illumination and single molecule localization microscopy in one setup

…, G Best, D Baddeley, R Heintzmann, U Birk… - Journal of …, 2013 - iopscience.iop.org
Understanding the positional and structural aspects of biological nanostructures simultaneously
is as much a challenge as a desideratum. In recent years, highly accurate (20 nm) …

[BOOK][B] Super-resolution microscopy: a practical guide

UJ Birk - 2017 - books.google.com
This unique book on super-resolution microscopy techniques presents comparative, in-depth
analyses of the strengths and weaknesses of the individual approaches. It was written for …