All Stories

  1. The plant kinesin-12 POK2 tail is a versatile interaction hub

    Article • Journal of Cell Science, August 2025, The Company of Biologists

    Erik Schäffer

  2. Attonewton Force Resolution Measurements with Silicon Nanospheres at the Thermal Noise Limit in Ambient-Temperature Liquids

    Article • Nano Letters, August 2025, American Chemical Society (ACS)

    Erik Schäffer

  3. Monomers and short oligomers of human RAD52 promote single-strand annealing

    Article • Proceedings of the National Academy of Sciences, April 2025, Proceedings of the National Academy of Sciences

    Erik Schäffer

  4. Interferometric mass photometry at the quantum limit of sensitivity

    Article • Physical Review A, April 2025, American Physical Society (APS)

    Erik Schäffer

  5. Nanobodies as novel tools to monitor the mitochondrial fission factor Drp1

    Article • Life Science Alliance, May 2024, Life Science Alliance, LLC

    Erik Schäffer

  6. Short oligomers rather than rings of human RAD52 promote single-strand annealing

    Article • August 2023, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  7. A Quick and Reproducible Silanization Method by Using Plasma Activation for Hydrophobicity‐Based Kinesin Single Molecule Fluorescence–Microscopy Assays

    Article • Chemistry - A European Journal, September 2022, Wiley

    Erik Schäffer

  8. Fast 3D imaging of giant unilamellar vesicles using reflected light‐sheet microscopy with single molecule sensitivity

    Article • Journal of Microscopy, December 2021, Wiley

    Erik Schäffer

  9. Anisotropic and Amphiphilic Mesoporous Core–Shell Silica Microparticles Provide Chemically Selective Environments for Simultaneous Delivery of Curcumin and Quercetin

    Article • Langmuir, November 2021, American Chemical Society (ACS)

    Erik Schäffer

  10. Single depolymerizing and transport kinesins stabilize microtubule ends

    Article • Cytoskeleton, May 2021, Wiley

    Erik Schäffer

  11. Germanium nanospheres for ultraresolution picotensiometry of kinesin motors

    Article • Science, February 2021, American Association for the Advancement of Science

    Erik Schäffer

  12. In Vitro Reconstitution and Imaging of Microtubule Dynamics by Fluorescence and Label-free Microscopy

    Article • STAR Protocols, November 2020, Elsevier

    Erik Schäffer

  13. Single depolymerizing and transport kinesins stabilize microtubule ends

    Article • October 2020, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  14. Fast 3D imaging of giant unilamellar vesicles using reflected light-sheet microscopy with single molecule sensitivity

    Article • June 2020, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  15. Germanium nanospheres for ultraresolution picotensiometry of kinesin motors

    Article • June 2020, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  16. The Kinesin-8 Kip3 Depolymerizes Microtubules with a Collective Force-Dependent Mechanism

    Article • Biophysical Journal, April 2020, Elsevier

    Erik Schäffer

  17. Polycationic gold nanorods as multipurposein vitromicrotubule markers

    Article • Nanoscale Advances, January 2020, Royal Society of Chemistry

    Erik Schäffer

  18. Supported Solid Lipid Bilayers as a Platform for Single-Molecule Force Measurements

    Article • Nano Letters, November 2019, American Chemical Society (ACS)

    Erik Schäffer

  19. The kinesin-8 Kip3 depolymerizes microtubules with a collective force-dependent mechanism

    Article • November 2019, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  20. Self-Sensing Enzyme-Powered Micromotors Equipped with pH-Responsive DNA Nanoswitches

    Article • Nano Letters, February 2019, American Chemical Society (ACS)

    Erik Schäffer

  21. High performance passive vibration isolation system for optical tables using six-degree-of-freedom viscous damping combined with steel springs

    Article • Review of Scientific Instruments, January 2019, American Institute of Physics

    Erik Schäffer

  22. Three-Dimensional Optical Tweezers Tracking Resolves Random Sideward Steps of the Kinesin-8 Kip3

    Article • Biophysical Journal, November 2018, Elsevier

    Erik Schäffer

  23. Label-free high-speed wide-field imaging of single microtubules using interference reflection microscopy

    Article • Journal of Microscopy, July 2018, Wiley

    Erik Schäffer

  24. Phragmoplast Orienting Kinesin 2 Is a Weak Motor Switching between Processive and Diffusive Modes

    Article • Biophysical Journal, July 2018, Elsevier

    Erik Schäffer

  25. LED-based interference-reflection microscopy combined with optical tweezers for quantitative three-dimensional microtubule imaging

    Article • Optics Express, May 2018, Optical Society of America (OSA)

    Erik Schäffer

  26. Influence of Enzyme Quantity and Distribution on the Self-Propulsion of Non-Janus Urease-Powered Micromotors

    Article • Journal of the American Chemical Society, May 2018, American Chemical Society (ACS)

    Erik Schäffer

  27. LED-based interference-reflection microscopy combined with optical tweezers for quantitative three-dimensional single microtubule imaging

    Article • March 2018, Cold Spring Harbor Laboratory Press

    Erik Schäffer

  28. Determination of pitch rotation in a spherical birefringent microparticle

    Article • Journal of Optics, February 2018, Institute of Physics Publishing

    Erik Schäffer

  29. Measuring Microtubule Supertwist and Defects by Three-Dimensional-Force-Clamp Tracking of Single Kinesin-1 Motors

    Article • Nano Letters, February 2018, American Chemical Society (ACS)

    Erik Schäffer

  30. Kinesin rotates unidirectionally and generates torque while walking on microtubules

    Article • Proceedings of the National Academy of Sciences, September 2017, Proceedings of the National Academy of Sciences

    Erik Schäffer

  31. Developmentally Regulated GTP binding protein 1 (DRG1) controls microtubule dynamics

    Article • Scientific Reports, August 2017, Springer Science + Business Media

    Erik Schäffer

  32. Directed Rotational Motion of Birefringent Particles by Randomly Changing the Barrier Height at the Threshold in a Washboard Potential

    Article • Current Science, December 2016, Current Science Association

    Erik Schäffer

  33. Custom-Made Microspheres for Optical Tweezers

    Article • November 2016, Springer Science + Business Media

    Erik Schäffer

  34. Implementation and Tuning of an Optical Tweezers Force-Clamp Feedback System

    Article • November 2016, Springer Science + Business Media

    Erik Schäffer

  35. Improved antireflection coated microspheres for biological applications of optical tweezers

    Article • September 2016, SPIE

    Erik Schäffer

  36. Kinesin Kip2 enhances microtubule growth in vitro through length-dependent feedback on polymerization and catastrophe

    Article • eLife, November 2015, eLife

    Erik Schäffer

  37. Enzyme-Powered Hollow Mesoporous Janus Nanomotors

    Article • Nano Letters, October 2015, American Chemical Society (ACS)

    Erik Schäffer

  38. A Single-Strand Annealing Protein Clamps DNA to Detect and Secure Homology

    Article • PLoS Biology, August 2015, PLOS

    Erik Schäffer

  39. The Kinesin-8 Kip3 Switches Protofilaments in a Sideward Random Walk Asymmetrically Biased by Force

    Article • Biophysical Journal, April 2015, Elsevier

    Erik Schäffer

  40. The growth speed of microtubules with XMAP215-coated beads coupled to their ends is increased by tensile force

    Article • Proceedings of the National Academy of Sciences, August 2013, Proceedings of the National Academy of Sciences

    Erik Schäffer

  41. Kinesin-8 Is a Low-Force Motor Protein with a Weakly Bound Slip State

    Article • Biophysical Journal, June 2013, Elsevier

    Erik Schäffer

  42. Nanonewton optical force trap employing anti-reflection coated, high-refractive-index titania microspheres

    Article • Nature Precedings, June 2012, Springer Science + Business Media

    Erik Schäffer

  43. Inertial Effects of a Small Brownian Particle Cause a Colored Power Spectral Density of Thermal Noise

    Article • Physical Review Letters, November 2011, American Physical Society (APS)

    Erik Schäffer

  44. Under-filling trapping objectives optimizes the use of the available laser power in optical tweezers

    Article • Optics Express, June 2011, Optical Society of America (OSA)

    Erik Schäffer

  45. Measuring the complete force field of an optical trap

    Article • Optics Letters, March 2011, Optical Society of America (OSA)

    Erik Schäffer

  46. Seeded Growth of Titania Colloids with Refractive Index Tunability and Fluorophore-Free Luminescence

    Article • Langmuir, March 2011, American Chemical Society (ACS)

    Erik Schäffer

  47. Functional Surface Attachment in a Sandwich Geometry of GFP-Labeled Motor Proteins

    Article • January 2011, Springer Science + Business Media

    Erik Schäffer

  48. Breaking of bonds between a kinesin motor and microtubules causes protein friction

    Article • August 2010, SPIE

    Erik Schäffer

  49. Microtubule Dynamics Reconstituted In Vitro and Imaged by Single-Molecule Fluorescence Microscopy

    Article • January 2010, Elsevier

    Erik Schäffer

  50. Optical tweezers with millikelvin precision of temperature-controlled objectives and base-pair resolution

    Article • Optics Express, September 2009, Optical Society of America (OSA)

    Erik Schäffer

  51. Protein Friction Limits Diffusive and Directed Movements of Kinesin Motors on Microtubules

    Article • Science, August 2009, American Association for the Advancement of Science

    Erik Schäffer

  52. Coated microspheres as enhanced probes for optical trapping

    Article • August 2008, SPIE

    Erik Schäffer

  53. Optical trapping of coated microspheres

    Article • Optics Express, August 2008, Optical Society of America (OSA)

    Erik Schäffer

  54. LED illumination for video-enhanced DIC imaging of single microtubules

    Article • Journal of Microscopy, March 2007, Wiley

    Erik Schäffer

  55. Surface Forces and Drag Coefficients of Microspheres near a Plane Surface Measured with Optical Tweezers

    Article • Langmuir, March 2007, American Chemical Society (ACS)

    Erik Schäffer

  56. Calibration of optical tweezers with positional detection in the back focal plane

    Article • Review of Scientific Instruments, October 2006, American Institute of Physics

    Erik Schäffer

  57. Dynamic domain formation in membranes: Thickness-modulation-induced phase separation

    Article • The European Physical Journal E, June 2004, Springer Science + Business Media

    Erik Schäffer

  58. Molecular Forces Caused by the Confinement of Thermal Noise

    Article • Physical Review Letters, April 2004, American Physical Society (APS)

    Erik Schäffer

  59. Self-organized organic nanostructures: structure formation in thin polymer blend films

    Article • Surface and Interface Analysis, February 2004, Wiley

    Erik Schäffer

  60. Capillary instabilities by fluctuation induced forces

    Article • The European Physical Journal E, November 2003, Springer Science + Business Media

    Erik Schäffer

  61. Pattern Replication by Confined Dewetting

    Article • Langmuir, November 2003, American Chemical Society (ACS)

    Erik Schäffer

  62. The Distribution of Active Force Generators Controls Mitotic Spindle Position

    Article • Science, July 2003, American Association for the Advancement of Science

    Erik Schäffer

  63. Thermomechanical Lithography: Pattern Replication Using a Temperature Gradient Driven Instability

    Article • Advanced Materials, March 2003, Wiley

    Erik Schäffer

  64. Aspects of electrohydrodynamic instabilities at polymer interfaces

    Article • Fibers and Polymers, March 2003, Springer Science + Business Media

    Erik Schäffer

  65. Morphological Instability of a Confined Polymer Film in a Thermal Gradient

    Article • Macromolecules, March 2003, American Chemical Society (ACS)

    Erik Schäffer

  66. Hierarchical structure formation and pattern replication induced by an electric field

    Article • Nature Materials, December 2002, Springer Science + Business Media

    Erik Schäffer

  67. Temperature-gradient–induced instability in polymer films

    Article • EPL (Europhysics Letters), October 2002, Institute of Physics Publishing

    Erik Schäffer

  68. Electric Field Induced Dewetting at Polymer/Polymer Interfaces

    Article • Macromolecules, July 2002, American Chemical Society (ACS)

    Erik Schäffer

  69. Acoustic instabilities in thin polymer films

    Article • The European Physical Journal E, June 2002, Springer Science + Business Media

    Erik Schäffer

  70. Structure Formation at the Interface of Liquid/Liquid Bilayer in Electric Field

    Article • Macromolecules, May 2002, American Chemical Society (ACS)

    Erik Schäffer

  71. Electric field induced instabilities at liquid/liquid interfaces

    Article • The Journal of Chemical Physics, February 2001, American Institute of Physics

    Erik Schäffer

  72. Electrohydrodynamic instabilities in polymer films

    Article • EPL (Europhysics Letters), February 2001, Institute of Physics Publishing

    Erik Schäffer

  73. Spreading Dynamics of Polydimethylsiloxane Drops: Crossover from Laplace to Van der Waals Spreading

    Article • Journal of Colloid and Interface Science, February 2001, Elsevier

    Erik Schäffer

  74. Contact line dynamics near the pinning threshold: A capillary rise and fall experiment

    Article • May 2000, American Physical Society (APS)

    Erik Schäffer

  75. Nanophase-Separated Polymer Films as High-Performance Antireflection Coatings

    Article • Science, January 1999, American Association for the Advancement of Science

    Erik Schäffer

  76. Dynamics of Contact Line Pinning in Capillary Rise and Fall

    Article • Physical Review Letters, April 1998, American Physical Society (APS)

    Erik Schäffer