User profiles for Koen J.A. Martens
Koen JA MartensBonn University Verified email at uni-bonn.de Cited by 276 |
[HTML][HTML] Visualisation of dCas9 target search in vivo using an open-microscopy framework
KJA Martens, SPB van Beljouw, S van der Els… - Nature …, 2019 - nature.com
CRISPR-Cas9 is widely used in genomic editing, but the kinetics of target search and its
relation to the cellular concentration of Cas9 have remained elusive. Effective target search …
relation to the cellular concentration of Cas9 have remained elusive. Effective target search …
[HTML][HTML] Phasor based single-molecule localization microscopy in 3D (pSMLM-3D): An algorithm for MHz localization rates using standard CPUs
METHODS Data analysis in SMLM consists of the following steps: Identifying potential
molecules and selecting regions of interests (ROIs) around their approximate localization, sub-…
molecules and selecting regions of interests (ROIs) around their approximate localization, sub-…
[PDF][PDF] Direct visualization of native CRISPR target search in live bacteria reveals cascade DNA surveillance mechanism
CRISPR-Cas systems encode RNA-guided surveillance complexes to find and cleave invading
DNA elements. While it is thought that invaders are neutralized minutes after cell entry, …
DNA elements. While it is thought that invaders are neutralized minutes after cell entry, …
Enabling spectrally resolved single-molecule localization microscopy at high emitter densities
KJA Martens, M Gobes, E Archontakis, RR Brillas… - Nano Letters, 2022 - ACS Publications
Single-molecule localization microscopy (SMLM) is a powerful super-resolution technique
for elucidating structure and dynamics in the life- and material sciences. Simultaneously …
for elucidating structure and dynamics in the life- and material sciences. Simultaneously …
[HTML][HTML] Live-cell imaging reveals the trade-off between target search flexibility and efficiency for Cas9 and Cas12a
…, WY Wu, M Depken, KJA Martens… - Nucleic Acids …, 2024 - academic.oup.com
CRISPR-Cas systems have widely been adopted as genome editing tools, with two frequently
employed Cas nucleases being SpyCas9 and LbCas12a. Although both nucleases use …
employed Cas nucleases being SpyCas9 and LbCas12a. Although both nucleases use …
[HTML][HTML] Raw data to results: a hands-on introduction and overview of computational analysis for single-molecule localization microscopy
Single-molecule localization microscopy (SMLM) is an advanced microscopy method that
uses the blinking of fluorescent molecules to determine the position of these molecules with a …
uses the blinking of fluorescent molecules to determine the position of these molecules with a …
Spatiotemporal heterogeneity of κ-carrageenan gels investigated via single-particle-tracking fluorescence microscopy
Hydrogels made of the polysaccharide κ-carrageenan are widely used in the food and
personal care industry as thickeners or gelling agents. These hydrogels feature dense regions …
personal care industry as thickeners or gelling agents. These hydrogels feature dense regions …
Quantitative structural analysis of fat crystal networks by means of Raman confocal imaging
KJA Martens, G van Dalen… - Journal of the …, 2018 - Wiley Online Library
The techniques that are currently available to assess fat crystal networks are compromised
with respect to invasive sample preparation and ability to quantify compositional and …
with respect to invasive sample preparation and ability to quantify compositional and …
Manipulation of recrystallization and network formation of oil-dispersed micronized fat crystals
…, R den Adel, R van der Sman, KJA Martens… - Langmuir, 2019 - ACS Publications
A detailed investigation was carried out on the modulation of the coupling between network
formation and the recrystallization of oil-dispersed micronized fat crystal (MFC) nanoplatelets …
formation and the recrystallization of oil-dispersed micronized fat crystal (MFC) nanoplatelets …
[HTML][HTML] Integrating engineered point spread functions into the phasor-based single-molecule localization microscopy framework
KJA Martens, A Jabermoradi, S Yang, J Hohlbein - Methods, 2021 - Elsevier
In single-molecule localization microscopy (SMLM), the use of engineered point spread
functions (PSFs) provides access to three-dimensional localization information. The …
functions (PSFs) provides access to three-dimensional localization information. The …