Recent Highlights

Recent Publications

U. F. Keyser.
Nanopores - mission accomplished and what next? Comment on "Nanopores: a journey towards DNA sequencing" by M. Wanunu.
Physics of Life Reviews, in press, 2012.

A. Ekpenyong, G. Whyte, K. Chalut, S. Pagliara, F. Lautenschläger, C. Fiddler, S. Paschke, U. F. Keyser, E. R. Chilvers, and J. Guck.
Viscoelastic Properties of Differentiating Blood Cells are Fate- and Function-Dependent.
submitted, 2012. [ DOI | www: ]

C.-W. Lee, S. Pagliara, U. F. Keyser, and J. J. Baumberg.
Perpendicular coupling to in-plane photonics using arc waveguides fabricated via two-photon polymerization.
Applied Physics Letters, 100:1711102, 2012. [ DOI | http ]

C. Chimerel, C. M. Field, S. Pinero-Fernandez, U. F. Keyser, and D. K. Summers.
Indole prevents Escherichia coli cell division by modulating membrane potential.
BBA - Biomembranes, 1818(7):1590-1594, 2012. [ DOI | http ]

N. A. W. Bell, C. A. Engst, A. Ablay, G. Divitini, C. Ducati, T. Liedl, and U. F. Keyser.
DNA origami nanopores.
Nano Letters (published online 20.12.2011), 12(1):512-517, 2012. [ DOI | http ]

L. J. Steinbock, A. Lucas, O. Otto, and U. F. Keyser.
Salt dependent transport of ions and DNA through nanocapillaries.
Electrophoresis, in press, 2012.

U. F. Keyser.
Optical tweezers for mechanical control over DNA in a nanopore.
Methods Mol. Biol., 870:115-134, 2012.

L. J. Steinbock and U. F. Keyser.
Analyzing single DNA molecules by nanopore translocation.
Methods Mol. Biol., 870:135-145, 2012.

N. A. W. Bell, S. Hernandez-Ainsa, C. Engst, T. Liedl, and U. F. Keyser.
Ionic current detection of DNA origami nanostructures with nanocapillaries.
RSC Proceedings, in press, 2012.

V. V. Thacker, S. Hernandez-Ainsa, J. L. Gornall, L. J. Steinbock, and U. F. Keyser.
Combining fluorescence imaging and ionic current detection in nanocapillaries.
RSC Proceedings, in press, 2012.

O. J. Pambos, K. Goepfrich, K. R. Mahendran, J. L. Gornall, O. Otto, L. J. Steinbock, C. Chimerel, M. Winterhalter, and U. F. Keyser.
Towards simultaneous force and resistive pulse sensing in protein nanopores using optical tweezers.
RSC Proceedings, in press, 2012.

O. Otto, N. Laohakunakorn, L. J. Steinbock, and U. F. Keyser.
Forces on DNA in confinement as measured by optical tweezers.
RSC Proceedings, in press, 2012.

S. Pagliara, C. Chimerel, R. Langford, D. G. A. L. Aarts, and U. F. Keyser.
Colloid flow control in microchannels and detection by laser scattering.
Progr. Colloid Polym. Sci., 139, 2012. [ DOI ]

U. F. Keyser.
Self-Aware Particles.
Nature, 478:45, 2011. [ DOI ]

O. Otto, L. J. Steinbock, and U. F. Keyser.
Nanocapillaries and Optical Tweezers for Studies on DNA in Confinement.
Proc. of SPIE, 8097:80970B, 2011. [ DOI ]

L. J. Gornall, K. R. Mahendran, O. J. Pambos, L. J. Steinbock, O. Otto, C. Chimerel, M. Winterhalter, and U. F. Keyser.
Simple reconstitution of protein pores in nano lipid bilayers.
Nano Letters, 11(8):3334-3340, 2011. [ DOI | http ]

S. Pagliara, C. Chimerel, R. Langford, D. G. A. L. Aarts, and U. F. Keyser.
Sub-micrometer channels with tuneable cross section and laser scattering detection for microfluidics.
Lab on a Chip, 11(19):3365-3368, 2011. [ DOI ]

O. Otto, L. J. Steinbock, D. W. Wong, and U. F. Keyser.
Direct force and ionic-current measurements on DNA in a nanocapillary.
Review of Scientific Intruments, 82:086102, 2011. [ http ]

U. F. Keyser.
Controlling molecular transport through nanopores.
J. R. Soc. Interface, 8:1369-1378, 2011. [ DOI | http ]

O. Otto, J. L. Gornall, G. Stober, F. Czerwinski, R. Seidel, and U. F. Keyser.
High-Speed Video-Based Tracking of Optically Trapped Colloids.
Journal of Optics, 13(4):044011, 2011. [ DOI ]

S. Piñero-Fernandez, C. Chimerel, U.F. Keyser, and D.K. Summers.
Indole transport across Escherichia coli membranes.
J. Bacteriology, 193(8):1793-1798, 2011. [ DOI | http ]

C. Gutsche, M. M. Elmahdy, K. Kegler, I. Semenov, T. Stangner, O. Otto, O. Ueberschaer, U. F. Keyser, M. Krueger, M. Rauscher, R. Weeber, Harting, Y. W. Kim, R. R. Lobaskin, V. amd Netz, and F. Kremer.
Micro-rheology on (polymer-grafted) colloids using Optical Tweezers.
Journal of Physics: Condensed Matter, 23(18):184114, 2011. [ DOI | http ]

C. Wagner, C. Olbrich, H. Brutzer, M. Salomo, U. Kleinekathofer, U. F. Keyser, and F. Kremer.
DNA condensation by TmHU studied by optical tweezers, AFM and molecular dynamics simulations.
Journal of Biological Physics, 37(1):117-131, 2010. [ http ]

O. Otto, F. Czerwinski, J. L. Gornall, G. Stober, L. B. Oddershedde, R. Seidel, and U. F. Keyser.
Real-time Particle Tracking at 10,000 fps using Optical Fiber Illumination.
Optics Express, 18(22):22722-227733, 2010. [ DOI | http ]

O. Otto, F. Czerwinski, J. L. Gornall, G. Stober, L. B. Oddershedde, R. Seidel, and U. F. Keyser.
Supplementary Material for: Real-time Particle Tracking at 10,000 fps using Optical Fiber Illumination.
Optics Express, 18(22):22722-227733, 2010. [ .pdf ]

L. J. Steinbock, O. Otto, C. Chimerel, J. Gornall, and U. F. Keyser.
Detecting DNA Folding with Nanocapillaries.
Nano Letters, 10(7):2493–-2497, 2010. [ DOI | http ]

U. F. Keyser.
DNA Tug of War: Tether forces on DNA in a nanopore.
Proc. of SPIE, 7762:776204, 2010. [ DOI ]

O. Otto and F. Czerwinski.
Observing and Controlling Biomolecules with Optical Tweezers and LabVIEW.
National Instruments - Labview Case Studies, 2010. [ http ]

L. J. Steinbock, O. Otto, D. R. Skarstam, S. Jahn, C. Chimerel, J. L. Gornall, and U. F. Keyser.
Probing DNA with Micro- and Nanocapillaries and Optical Tweezers.
Journal of Physics: Condensed Matter, 22(45):454113, 2010. [ DOI | http ]

U. F. Keyser, S. Van Dorp, and S. G. Lemay.
Tether forces in DNA electrophoresis.
Chemical Society Reviews, 39:939 - 947, 2010. [ DOI | http ]

L. J. Steinbock, G. Stober, and U. F. Keyser.
Sensing DNA-coatings of microparticles using micropipettes.
Biosensors & Bioelectronics, 24(8):2423-7, 2009. [ DOI ]

G. Stober, L. J. Steinbock, and U. F. Keyser.
Modeling of colloidal transport in capillaries.
Journal of Applied Physics, 105(8):084702, 2009. [ DOI ]

B. Wunderlich, C. Leirer, A.-L. Idzko, U. F. Keyser, A. Wixforth, V. M. Myles, T. Heimburg, and M. F. Schneider.
Phase state dependent current fluctuations in pure lipid membranes.
Biophysical Journal, 96:4592, 2009. [ DOI | http ]

S. van Dorp, U. F. Keyser, N. H. Dekker, C. Dekker, and S. G. Lemay.
Origin of the electrophoretic force in nanopores.
Nature Physics, 5:347, 2009. [ DOI | http ]

U. F. Keyser, J. van der Does, C. Dekker, and N. H. Dekker.
Methods in Molecular Biology 544, chapter 8: Inserting and Manipulating DNA in a Nanopore with Optical Tweezers, pages 95-112.
Springer Protocols, Humana Press (Dordrecht), 2009. [ DOI ]

I. Semenov, O. Otto, G. Stober, P. Papadopoulos, U. F. Keyser, and F. Kremer.
Single colloid electrophoresis.
Journal of Colloid and Interface Science, 337:260-264, 2009. [ DOI ]

O. Otto, C. Gutsche, F. Kremer, and U. F. Keyser.
Optical tweezers with 2.5 kHz bandwidth video detection for single-colloid electrophoresis.
The Review of Scientific Instruments, 79:023710, 2008. [ DOI ]