Atomic force microscopy-based force spectroscopy and multiparametric imaging of biomolecular and cellular systems

DJ Müller, AC Dumitru, C Lo Giudice… - Chemical …, 2020 - ACS Publications
During the last three decades, a series of key technological improvements turned atomic
force microscopy (AFM) into a nanoscopic laboratory to directly observe and chemically …

Environment-dependent single-chain mechanics of synthetic polymers and biomacromolecules by atomic force microscopy-based single-molecule force spectroscopy …

Y Bao, Z Luo, S Cui - Chemical Society Reviews, 2020 - pubs.rsc.org
“The Tao begets the One. One begets all things of the world.” This quote from Tao Te Ching
is still inspiring for scientists in chemistry and materials science: The “One” can refer to a …

Heterogeneous and rate-dependent streptavidin–biotin unbinding revealed by high-speed force spectroscopy and atomistic simulations

F Rico, A Russek, L González, H Grubmüller… - Proceedings of the …, 2019 - pnas.org
Receptor–ligand interactions are essential for biological function and their binding strength
is commonly explained in terms of static lock-and-key models based on molecular …

Transition rates and efficiency of collective variables from time-dependent biased simulations

K Palacio-Rodriguez, H Vroylandt… - The journal of …, 2022 - ACS Publications
Simulations with adaptive time-dependent bias enable an efficient exploration of the
conformational space of a system. However, the dynamic information is altered by the bias …

Good rates from bad coordinates: the exponential average time-dependent rate approach

N Mazzaferro, S Sasmal, P Cossio… - Journal of chemical …, 2024 - ACS Publications
Our ability to calculate rate constants of biochemical processes using molecular dynamics
simulations is severely limited by the fact that the time scales for reactions, or changes in …

Biological physics by high-speed atomic force microscopy

I Casuso, L Redondo-Morata… - … Transactions of the …, 2020 - royalsocietypublishing.org
While many fields have contributed to biological physics, nanotechnology offers a new scale
of observation. High-speed atomic force microscopy (HS-AFM) provides nanometre …

Structural–elastic determination of the force-dependent transition rate of biomolecules

S Guo, Q Tang, M Yao, H You, S Le, H Chen… - Chemical science, 2018 - pubs.rsc.org
The force-dependent unfolding/refolding of protein domains and ligand-receptor
association/dissociation are crucial for mechanosensitive functions, while many aspects of …

The SecA motor generates mechanical force during protein translocation

R Gupta, D Toptygin, CM Kaiser - Nature Communications, 2020 - nature.com
The Sec translocon moves proteins across lipid bilayers in all cells. The Sec channel
enables passage of unfolded proteins through the bacterial plasma membrane, driven by …

High-speed force spectroscopy: microsecond force measurements using ultrashort cantilevers

C Valotteau, F Sumbul, F Rico - Biophysical reviews, 2019 - Springer
Complete understanding of the role of mechanical forces in biological processes requires
knowledge of the mechanical properties of individual proteins and living cells. Moreover, the …

Determination of protein–protein interactions at the single-molecule level using optical tweezers

WN Sánchez, L Robeson, V Carrasco… - Quarterly Reviews of …, 2022 - cambridge.org
Biomolecular interactions are at the base of all physical processes within living organisms;
the study of these interactions has led to the development of a plethora of different methods …