Marie-Eve Aubin-Tam (Associate Professor, BioNanoscience) uses single-molecule tools to study membrane proteins and cell biophysics. Research: (1) optical tweezers protein unfolding — mechanical unfolding of membrane proteins to probe folding landscape; (2) single-molecule cell biophysics — force spectroscopy on live cells; (3) synthetic biology applications — integrating engineered proteins with biophysical tools.
Cees Dekker (Distinguished University Professor, BioNanoscience/Kavli) pioneered solid-state nanopores and single-molecule biophysics. Research: (1) solid-state nanopores for protein sensing and sequencing — detecting individual protein molecules by current blockade; (2) DNA loop extrusion by condensin and cohesin at the single-molecule level; (3) chromatin structure and chromosome organisation with bacteria-on-chip; (4) synthetic cell construction from the bottom up; (5) diagnostic nanopores for neglected diseases. NanoFront 51M€ NWO program leader; 2019 Nature paper on real-time DNA loop extrusion imaging.
Nynke Dekker (Full Professor, BioNanoscience) leads single-molecule biophysics of DNA replication and topology. Research: (1) single-molecule force-fluorescence microscopy — integrated optical tweezers and fluorescence for real-time imaging of replication machinery; (2) DNA topology — supercoiling, gyrase, topoisomerase dynamics with magnetic tweezers; (3) DNA/RNA-processing molecular motors. EMBO member; KNAW member. 2024 integrated force-fluorescence toolbox published.
Marileen Dogterom (Full Professor, BioNanoscience) studies cytoskeleton dynamics and synthetic cell construction. Research: (1) microtubule dynamics — force generation, catastrophe control, and mitotic spindle assembly reconstituted in vitro; (2) cell division reconstitution — building minimal synthetic cells with controlled division; (3) optical tweezers and fluorescence microscopy for force measurement on single cytoskeletal elements. Co-founded BioNanoscience department.
Kristin Grußmayer (Assistant Professor, BioNanoscience, 2021) develops super-resolution microscopy tools. Research: (1) SOFI (super-resolution optical fluctuation imaging) — camera-based super-resolution using photon statistics; (2) multi-plane super-resolution and quantitative phase imaging — combined modalities for 3D sub-diffraction imaging; (3) new fluorescence probe classes for SMLM; (4) AI-driven smart microscopy for automated phenotype detection. Marie Curie Fellow (EPFL, Lasser group). Group established 2021.
Timon Idema (Associate Professor, BioNanoscience) develops theoretical models of cell biophysics. Research: (1) membrane shape theory — analytical and computational models of membrane curvature, budding, and fission driven by proteins; (2) cytoskeletal self-organisation — theoretical description of how microtubules and actin form functional structures during cell division; (3) synthetic cell theory — physical constraints and design principles for minimal cells. Collaborates closely with Dogterom and Koenderink labs on comparing theory with single-molecule experiments.
Arjen Jakobi (Associate Professor, BioNanoscience) uses cryo-electron microscopy and tomography for structural cell biology. Research: (1) cryo-ET in-cell structural biology — resolving protein complexes at near-atomic resolution inside vitrified cells; (2) autophagy and membrane remodelling — structural mechanism of autophagosome biogenesis; (3) integrin signalling complexes. Develops algorithms for sub-tomogram averaging and de-novo model building.
Chirlmin Joo (Full Professor, BioNanoscience) uses single-molecule fluorescence to study RNA dynamics and CRISPR-Cas. Research: (1) single-molecule FRET and direct RNA imaging — visualizing RNA folding, ribozyme catalysis, and mRNA translation dynamics; (2) CRISPR-Cas mechanism — real-time observation of Cas9 and Cas13 target search and cleavage; (3) nanopore-based protein sensing integration with optical tools. ERC Grant.
Gijsje Koenderink (Full Professor, BioNanoscience) investigates active and passive mechanics of the cytoskeleton. Research: (1) active matter — motor-filament composite networks generating spontaneous mechanical activity; (2) cell mechanics — cytoskeletal contributions to cell shape, migration, and division; (3) biomaterials — designing synthetic cytoskeletal analogues; (4) optical tweezers and AFM rheology of reconstituted networks. Spinoza Prize 2021. ERC Advanced Grant.