Veröffentlichungen "Helfricht, Nicolas"

2024

Sittl, Sebastian ; Helfricht, Nicolas ; Papastavrou, Georg:
Contactless calibration of microchanneled AFM cantilevers for fluidic force microscopy.
In: VIEW : Illuminating Wellness. Bd. 5 (2024) Heft 1 . - 20230063.
ISSN 2688-268X
DOI: https://doi.org/10.1002/VIW.20230063

Sittl, Sebastian ; Das, Mohan ; Helfricht, Nicolas ; Petekidis, George ; Papastavrou, Georg:
Direct Force Measurements between Sub-Micron Rod-Shaped Colloids by AFM.
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. Bd. 697 (2024) . - 134319.
ISSN 0927-7757
DOI: https://doi.org/10.1016/j.colsurfa.2024.134319

2023

Karg, Andreas ; Kuznetsov, Volodymyr ; Helfricht, Nicolas ; Lippitz, Markus ; Papastavrou, Georg:
Electrochemical grippers based on the tuning of surface forces for applications in micro- and nanorobotics.
In: Scientific Reports. Bd. 13 (2023) . - 7885.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-023-33654-6

Raßmann, Nadine ; Weber, Melina ; Glaß, Roman E. J. ; Kreger, Klaus ; Helfricht, Nicolas ; Schmidt, Hans-Werner ; Papastavrou, Georg:
Electrogelation: Controlled Fast Formation of Micrometer-Thick Films from Low-Molecular Weight Hydrogelators.
In: Langmuir. Bd. 39 (2023) Heft 48 . - S. 17190-17200.
ISSN 1520-5827
DOI: https://doi.org/10.1021/acs.langmuir.3c02270

Karg, Andreas ; Gödrich, Sebastian ; Dennstedt, Philipp ; Helfricht, Nicolas ; Retsch, Markus ; Papastavrou, Georg:
An Integrated, Exchangeable Three-Electrode Electrochemical Setup for AFM-Based Scanning Electrochemical Microscopy.
In: Sensors. Bd. 23 (2023) Heft 11 . - 5228.
ISSN 1424-8220
DOI: https://doi.org/10.3390/s23115228

2021

Grün, Viktoria ; Helfricht, Nicolas ; Rosenfeldt, Sabine ; Schenk, Anna:
Interface-mediated formation of basic cobalt carbonate / polyethyleneimine composite microscrolls by strain-induced self-rolling.
In: Chemical Communications. Bd. 57 (2021) Heft 59 . - S. 7244-7247.
ISSN 1364-548X
DOI: https://doi.org/10.1039/D1CC01136G

Karg, Andreas ; Rößler, Tamino ; Mark, Andreas ; Markus, Paul ; Lauster, Tobias ; Helfricht, Nicolas ; Papastavrou, Georg:
A Versatile and Simple Approach to Electrochemical Colloidal Probes for Direct Force Measurements.
In: Langmuir. Bd. 37 (2021) Heft 46 . - S. 13537-13547.
ISSN 1520-5827
DOI: https://doi.org/10.1021/acs.langmuir.1c01557

2020

Kuznetsov, Volodymyr ; Ottermann, Katharina ; Helfricht, Nicolas ; Kunz, Daniel ; Loch, Patrick ; Kalo, Hussein ; Breu, Josef ; Papastavrou, Georg:
Surface charge density and diffuse layer properties of highly defined 2:1 layered silicate platelets.
In: Colloid and Polymer Science. Bd. 298 (2020) . - S. 907-920.
ISSN 1435-1536
DOI: https://doi.org/10.1007/s00396-020-04673-w

2019

Mark, Andreas ; Helfricht, Nicolas ; Rauh, Astrid ; Xue, Jinqiao ; Knödler, Patrick ; Schumacher, Thorsten ; Karg, Matthias ; Du, Binyang ; Lippitz, Markus ; Papastavrou, Georg:
Electrokinetics in Micro-channeled Cantilevers : Extending the Toolbox for Reversible Colloidal Probes and AFM-Based Nanofluidics.
In: Scientific Reports. Bd. 9 (2019) . - 20294.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-019-56716-0

Mark, Andreas ; Helfricht, Nicolas ; Rauh, Astrid ; Karg, Matthias ; Papastavrou, Georg:
The Next Generation of Colloidal Probes : A Universal Approach for Soft and Ultra‐Small Particles.
In: Small. Bd. 15 (2019) Heft 43 . - 1902976.
ISSN 1613-6829
DOI: https://doi.org/10.1002/smll.201902976

2018

Jiang, Shaohua ; Helfricht, Nicolas ; Papastavrou, Georg ; Greiner, Andreas ; Agarwal, Seema:
Low‐Density Self‐Assembled Poly(N‐Isopropyl Acrylamide) Sponges with Ultrahigh and Extremely Fast Water Uptake and Release.
In: Macromolecular Rapid Communications. Bd. 39 (2018) Heft 8 . - 1700838.
ISSN 1521-3927
DOI: https://doi.org/10.1002/marc.201700838

2017

Helfricht, Nicolas:
Novel Approaches For Direct Force Measurements : From Single Molecules to Giant Hydrogel Beads.
Bayreuth , 2017 . - VIII, 340 S.
( Dissertation, 2017 , Universität Bayreuth, Fakultät für Biologie, Chemie und Geowissenschaften)

Helfricht, Nicolas ; Mark, Andreas ; Dorwling-Carter, Livie ; Zambelli, Tomaso ; Papastavrou, Georg:
Extending the limits of direct force measurements : colloidal probes from sub-micron particles.
In: Nanoscale. Bd. 9 (2017) Heft 27 . - S. 9491-9501.
ISSN 2040-3372
DOI: https://doi.org/10.1039/C7NR02226C

Helfricht, Nicolas ; Doblhofer, Elena ; Bieber, Vera ; Lommes, Petra ; Sieber, Volker ; Scheibel, Thomas ; Papastavrou, Georg:
Probing the adhesion properties of alginate hydrogels : a new approach towards the preparation of soft colloidal probes for direct force measurements.
In: Soft Matter. Bd. 13 (2017) Heft 3 . - S. 578-589.
ISSN 1744-6848
DOI: https://doi.org/10.1039/C6SM02326F

Helfricht, Nicolas ; Mark, Andreas ; Behr, Marina ; Bernet, Andreas ; Schmidt, Hans-Werner ; Papastavrou, Georg:
Writing with Fluid : Structuring Hydrogels with Micrometer Precision by AFM in Combination with Nanofluidics.
In: Small. Bd. 13 (2017) Heft 31 . - 1700962.
ISSN 1613-6829
DOI: https://doi.org/10.1002/smll.201700962

2016

Helfricht, Nicolas ; Doblhofer, Elena ; Duval, Jérôme F. L. ; Scheibel, Thomas ; Papastavrou, Georg:
Colloidal Properties of Recombinant Spider Silk Protein Particles.
In: The Journal of Physical Chemistry C. Bd. 120 (2016) Heft 32 . - S. 18015-18027.
ISSN 1932-7455
DOI: https://doi.org/10.1021/acs.jpcc.6b03957

Neugirg, Benedikt R. ; Helfricht, Nicolas ; Czich, Steffen ; Schmidt, Hans-Werner ; Papastavrou, Georg ; Fery, Andreas:
Long-range interaction forces between 1,3,5-cyclohexanetrisamide fibers in crossed-cylinder geometry.
In: Polymer. Bd. 102 (2016) . - S. 363-371.
ISSN 0032-3861
DOI: https://doi.org/10.1016/j.polymer.2016.03.068

2014

Wilke, Patrick ; Helfricht, Nicolas ; Mark, Andreas ; Papastavrou, Georg ; Faivre, Damien ; Börner, Hans G.:
A Direct Biocombinatorial Strategy toward Next Generation, Mussel-Glue Inspired Saltwater Adhesives.
In: Journal of the American Chemical Society. Bd. 136 (2014) Heft 36 . - S. 12667-12674.
ISSN 1520-5126
DOI: https://doi.org/10.1021/ja505413e

2013

Helfricht, Nicolas ; Klug, Maria ; Mark, Andreas ; Kuznetsov, Volodymyr ; Papastavrou, Georg ; Blüm, Claudia ; Scheibel, Thomas:
Surface properties of spider silk particles in solution.
In: Biomaterials Science. Bd. 1 (2013) Heft 11 . - S. 1166-1171.
ISSN 2047-4849
DOI: https://doi.org/10.1039/c3bm60109a