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DNA hairpin molecules with periodic base sequences can be expected to exhibit a regular coarse-grained free energy landscape (FEL) as function of the number of open base pairs and applied mechanical force. Using a commonly employed model,…

Biological Physics · Physics 2013-12-17 Sandra Nostheide , Viktor Holubec , Petr Chvosta , Philipp Maass

Conventional digitization based on the Shannon-Nyquist method, implemented via analog-to-digital converters (ADCs), faces fundamental limitations. High-dynamic-range (HDR) signals often get clipped or saturated in practice. Given a fixed…

Signal Processing · Electrical Eng. & Systems 2024-10-29 Yuliang Zhu , Ayush Bhandari

Imperfect molecular detection in single-cell experiments introduces technical noise that obscures the true stochastic dynamics of gene regulatory networks. While binomial models of molecular capture provide a principled description of…

Molecular Networks · Quantitative Biology 2025-12-03 Iryna Zabaikina , Ramon Grima

Single molecule force spectroscopy methods can be used to generate folding trajectories of biopolymers from arbitrary regions of the folding landscape. We illustrate the complexity of the folding kinetics and generic aspects of the collapse…

Biological Physics · Physics 2015-05-14 Changbong Hyeon , Greg Morrison , David L. Pincus , D. Thirumalai

Restoring naturalistic finger control in assistive technologies requires the continuous decoding of motor intent with high accuracy, efficiency, and robustness. Here, we present a spike-based decoding framework that integrates spiking…

Human-Computer Interaction · Computer Science 2025-09-05 Farah Baracat , Agnese Grison , Dario Farina , Giacomo Indiveri , Elisa Donati

This paper explores the potential of conversion-based neuromorphic algorithms for highly accurate and energy-efficient single-snapshot multidimensional harmonic retrieval (MHR). By casting the MHR problem as a sparse recovery problem, we…

Signal Processing · Electrical Eng. & Systems 2024-12-06 Vlad C. Andrei , Alexandru P. Drăguţoiu , Gabriel Béna , Mahmoud Akl , Yin Li , Matthias Lohrmann , Ullrich J. Mönich , Holger Boche

Spiking neural network (SNN) is interesting both theoretically and practically because of its strong bio-inspiration nature and potentially outstanding energy efficiency. Unfortunately, its development has fallen far behind the conventional…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Shibo Zhou , Xiaohua LI , Ying Chen , Sanjeev T. Chandrasekaran , Arindam Sanyal

This study explores the possibility to measure dynamics of proteins in solution using X-ray photon correlation spectroscopy (XPCS) at nearly diffraction limited storage rings (DLSR). We calculate the signal to noise ratio (SNR) of XPCS…

Instrumentation and Detectors · Physics 2019-10-01 Johannes Möller , Michael Sprung , Anders Madsen , Christian Gutt

We investigate theoretically the translocation of structured RNA/DNA molecules through narrow pores which allow single but not double strands to pass. The unzipping of basepaired regions within the molecules presents significant kinetic…

Soft Condensed Matter · Physics 2009-11-10 Ulrich Gerland , Ralf Bundschuh , Terence Hwa

Self-driving laboratories (SDLs) have shown promise to accelerate materials discovery by integrating machine learning with automated experimental platforms. However, errors in the capture of input parameters may corrupt the features used to…

Machine Learning · Computer Science 2026-02-03 Qiuyu Shi , Kangming Li , Yao Fehlis , Runze Zhang , Daniel Persaud , Robert Black , Jason Hattrick-Simpers

Spiking Neural Networks (SNNs) have emerged as an attractive alternative to traditional deep learning frameworks, since they provide higher computational efficiency in event driven neuromorphic hardware. However, the state-of-the-art (SOTA)…

Neural and Evolutionary Computing · Computer Science 2021-09-05 Gourav Datta , Souvik Kundu , Peter A. Beerel

Hardware-based spiking neural networks (SNNs) are regarded as promising candidates for the cognitive computing system due to low power consumption and highly parallel operation. In this work, we train the SNN in which the firing time…

Neural and Evolutionary Computing · Computer Science 2022-03-17 Seongbin Oh , Dongseok Kwon , Gyuho Yeom , Won-Mook Kang , Soochang Lee , Sung Yun Woo , Jang Saeng Kim , Min Kyu Park , Jong-Ho Lee

In recent years, spiking neural networks (SNNs) have been used in reinforcement learning (RL) due to their low power consumption and event-driven features. However, spiking reinforcement learning (SRL), which suffers from fixed coding…

Machine Learning · Computer Science 2024-04-25 Lang Qin , Rui Yan , Huajin Tang

We use optical tweezers to perform stretching experiments on DNA molecules when interacting with the drugs daunomycin and ethidium bromide, which intercalate the DNA molecule. These experiments are performed in the low-force regime from…

Biological Physics · Physics 2009-11-13 M. S. Rocha , M. C. Ferreira , O. N. Mesquita

In optical fiber communication, optical and electrical components introduce nonlinearities, which require effective compensation to attain highest data rates. In particular, in short reach communication, components are the dominant source…

Signal Processing · Electrical Eng. & Systems 2025-01-13 Maximilian Schaedler , Georg Böcherer , Stephan Pachnicke

Deep Neural Networks (DNNs) often struggle to suppress noise at low signal-to-noise ratios (SNRs). This paper addresses speech enhancement in scenarios dominated by harmonic noise and proposes a framework that integrates…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-16 Giovanni Bologni , Nicolás Arrieta Larraza , Richard Heusdens , Richard C. Hendriks

The oxidative damage of DNA is a compelling issue in molecular biophysics as it plays a vital role in the epigenetic control of gene expression and is believed to be associated with mutagenesis, carcinogenesis, and ageing. To understand the…

Biological Physics · Physics 2022-10-19 Khadka B. Chhetri , Supriyo Naskar , Prabal K. Maiti

The transfer of mechanical signals through cells is a complex phenomenon. To uncover a new mechanotransduction pathway, we study the frequency-dependent transport of mechanical stimuli by single microtubules and small networks in a…

Biological Physics · Physics 2017-05-03 M. D. Koch , N. Schneider , P. Nick , A. Rohrbach

We study several Fokker-Planck equations arising from a stochastic chemical kinetic system modeling a gene regulatory network in biology. The densities solving the Fokker-Planck equations describe the joint distribution of the messenger RNA…

Numerical Analysis · Mathematics 2020-09-15 Pierre Degond , Maxime Herda , Sepideh Mirrahimi

A model of self-avoiding walk with suitable constraints on self-attraction is developed to describe the conformational behavior of a short RNA or a single stranded DNA molecule that forms hairpin structure and calculate the properties…

Statistical Mechanics · Physics 2007-05-23 Sanjay Kumar , Debaprasad Giri , Yashwant Singh