The fractal brain: scale-invariance in structure and dynamics

GF Grosu, AV Hopp, VV Moca, H Bârzan… - Cerebral …, 2023 - academic.oup.com
The past 40 years have witnessed extensive research on fractal structure and scale-free
dynamics in the brain. Although considerable progress has been made, a comprehensive …

BK in double-membrane organelles: a biophysical, pharmacological, and functional survey

N González-Sanabria, F Echeverría, I Segura… - Frontiers in …, 2021 - frontiersin.org
In the 1970s, calcium-activated potassium currents were recorded for the first time. In
10years, this Ca2+-activated potassium channel was identified in rat skeletal muscle …

Selectivity filter conductance, rectification and fluctuations of subdomains—How can this all relate to the value of Hurst exponent in the dwell-times of ion channels …

P Borys, P Trybek, B Dworakowska… - Chaos, Solitons & …, 2024 - Elsevier
The Hurst effect in the signals describing ion channels' activity has been known for many
years. This effect is present in the experimental recordings of single-channel currents, but …

Memory in ion channel kinetics

MP Silva, CG Rodrigues, WA Varanda, RA Nogueira - Acta Biotheoretica, 2021 - Springer
Ion channels are transport proteins present in the lipid bilayers of biological membranes.
They are involved in many physiological processes, such as the generation of nerve …

Long-term memory in Staphylococcus aureus α-hemolysin ion channel kinetics

MP Silva, CG Rodrigues, DC Machado… - European Biophysics …, 2023 - Springer
The kinetics of an ion channel are classically understood as a random process. However,
studies have shown that in complex ion channels, formed by multiple subunits, this process …

New diagnostic tool for ion channel activity hidden behind the dwell-time correlations

P Borys, P Trybek, B Dworakowska… - The Journal of …, 2022 - ACS Publications
The patch-clamp technique is a powerful tool that allows for a long observation of transport
protein activity in real time. Experimental traces of single-channel currents can be …

Dynamical diversity of mitochondrial BK channels located in different cell types

A Wawrzkiewicz-Jałowiecka, P Trybek, Ł Machura… - Biosystems, 2021 - Elsevier
Mitochondrial large-conductance voltage-and C a 2+-activated potassium channels
(mitoBK) exhibit substantial similarities in their physiology regardless of the channel's …

Multifractal Analysis of the Influence of Indole-3-Acetic Acid on Fast-Activating Vacuolar (FV) Channels of Beta vulgaris L. Taproot Cells

J Miśkiewicz, Z Burdach, Z Trela, A Siemieniuk… - Membranes, 2023 - mdpi.com
In this paper, the multifractal properties of the ion current time series in the fast-activating
vacuolar (FV) channels of Beta vulgaris L. taproot cells were investigated. These channels …

Multifractal Characteristics of the Mitochondrial BK Channel Activity in the Presence of the Channel-Activating Flavonoids

P Trybek, Ł Machura, P Bednarczyk, U Cojg… - Fractals, 2024 - World Scientific
Over the years, the (multi) fractal nature of signals describing the activity of ion channels has
been observed both at the level of single-channel currents and the temporal scaling of the …