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Related papers: Nanopores -- a Versatile Tool to Study Protein Dyn…

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Throughout our history, we, humans, have sought to better control and understand our environment. To this end, we have extended our natural senses with a host of sensors-tools that enable us to detect both the very large, such as the…

Biological Physics · Physics 2023-06-09 Kherim Willems

Proteins are arguably the most important class of biomarkers for health diagnostic purposes. Label-free solid-state nanopore sensing is a versatile technique for sensing and analysing biomolecules such as proteins at single-molecule level.…

Solid-state nanopore and nanopipette sensors are powerful devices for the detection, quantification and structural analysis of biopolymers such as DNA and proteins, especially in carrier-enhanced resistive-pulse sensing. However, hundreds…

Mesoscale and Nanoscale Physics · Physics 2025-10-14 Cengiz J. Khan , Oliver J. Irving , Rand A. Al-Waqfi , Giorgio Ferrari , Tim Albrecht

This work exploits the zeptoliter sensing volume of electrolyte-filled nanopores to determine, simultaneously and in real time, the approximate shape, volume, charge, rotational diffusion coefficient, and dipole moment of individual…

The detection of biomolecules at the single molecular level have important applications in the fields of biosensing and biomedical diagnosis. Solid state nanopore (SS-nanopore) is an effective tool to perform the single molecular detection,…

Biological Physics · Physics 2022-10-14 Jing Yang , Juan Wang , Ranfeng Wu , Yiming Chen , Cheng Zhang

A device capable of performing real time classification of proteins in a clinical setting would allow for inexpensive and rapid disease diagnosis. One such candidate for this technology are nanopore devices. These devices work by measuring…

Machine Learning · Computer Science 2025-09-18 Samuel Tovey , Julian Hoßbach , Sandro Kuppel , Tobias Ensslen , Jan C. Behrends , Christian Holm

DNA-interacting proteins have roles multiple processes, many operating as molecular machines which undergo dynamic metastable transitions to bring about their biological function. To fully understand this molecular heterogeneity, DNA and…

Biomolecules · Quantitative Biology 2015-04-15 Adam J. M. Wollman , Helen Miller , Zhaokun Zhou , Mark C. Leake

Purpose Nanopore-based molecular sensing and measurement, specifically Deoxyribonucleic acid (DNA) sequencing, is advancing at a fast pace. Some embodiments have matured from coarse particle counters to enabling full human genome assembly.…

Instrumentation and Detectors · Physics 2021-10-06 Mehdi Habibi , Yunus Dawji , Ebrahim Ghafar-Zadeh , Sebastian Magierowski

DNA nanotechnology uses predictable interactions of nucleic acids to precisely engineer complex nanostructures. Characterizing these self-assembled structures at the single-structure level is crucial for validating their design and…

Biological Physics · Physics 2025-10-21 Wangwei Dong , Zezhou Liu , Ruiyao Liu , Deborah Kuchnir Fygenson , Walter Reisner

We report an accurate method to determine DNA barcodes from the dwell time measurement of protein tags (barcodes) along the DNA backbone using Brownian dynamics simulation of a model DNA and use a recursive theoretical scheme which improves…

Soft Condensed Matter · Physics 2021-02-09 Swarnadeep Seth , Aniket Bhattacharya

Nanopore sensing is a key technology for single-molecule detection and analysis. Solid-state nanopores have emerged as a versatile platform, since their fabrication allows to engineer their properties by controlling size, shape, and…

Nanopore based sequencing has demonstrated significant potential for the development of fast, accurate, and cost-efficient fingerprinting techniques for next generation molecular detection and sequencing. We propose a specific multi-layered…

Mesoscale and Nanoscale Physics · Physics 2014-05-15 Towfiq Ahmed , Jason T. Haraldsen , John J. Rehr , Massimiliano Di Ventra , Ivan K. Schuller , Alexander V. Balatsky

Measuring the electrophoretic mobility of molecules is a powerful experimental approach for investigating biomolecular processes. A frequent challenge in the context of single-particle measurements is throughput, limiting the obtainable…

Optics · Physics 2021-07-26 Xuanhui Meng , Philipp Kukura , Sanli Faez

Inspired by its central role in many biological processes, the transport of biopolymers across nanoscale pores is at the heart of a single-molecule sensing technology aimed at nucleic acid and protein sequencing, as well as biomarker…

Biological Physics · Physics 2025-10-16 Martin Charron , Breeana Elliott , Nada Kerrouri , Liqun He , Vincent Tabard-Cossa

Proteins are macromolecules responsible for essential functions in almost all living organisms. Designing reasonable proteins with desired functions is crucial. A protein's sequence and structure are strongly correlated and they together…

Machine Learning · Computer Science 2024-01-10 Zhenqiao Song , Yunlong Zhao , Wenxian Shi , Yang Yang , Lei Li

Protein motions occur on multiple time and distance scales. Large-scale motions of protein tertiary-structure elements, i.e. domains, are particularly intriguing as they are essential for the catalytic activity of many enzymes and for the…

Biological Physics · Physics 2020-10-28 Gilad Haran , Hisham Mazal

Solid-state nanopores have received substantial attention in the past years owing to their simplicity and potential applications expected in genomics, sensing, archival information storage, and computing. The underlying sensing technique of…

Biological Physics · Physics 2025-08-27 Muhammad Sajeer P , Manoj M. Varma

Protein characterization using nanopore-based devices promises to be a breakthrough method in basic research, diagnostics, and analytics. Current research includes the use of machine learning to achieve this task. In this work, a…

Biological Physics · Physics 2025-04-15 Julian Hoßbach , Samuel Tovey , Tobias Ensslen , Jan C. Behrends , Christian Holm

The potential of a double nanopore system to determine DNA barcodes has been demonstrated experimentally. By carrying out Brownian dynamics simulation on a coarse-grained model DNA with protein tag (barcodes) at known locations along the…

Soft Condensed Matter · Physics 2021-02-10 Swarnadeep Seth , Aniket Bhattacharya

Protein dynamics form a critical bridge between protein structure and function, yet the impact of evolution on ultrafast processes inside proteins remains enigmatic. This study delves deep into nanosecond-scale protein dynamics of a…

Biological Physics · Physics 2023-09-13 Philipp J. Heckmeier , Jeannette Ruf , Charlotte Rochereau , Peter Hamm
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