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Motivation: Advances in high-throughput chromatin conformation capture have provided insight into the three-dimensional structure and organization of chromatin. While bulk Hi-C experiments capture spatio-temporally averaged chromatin…

Genomics · Quantitative Biology 2026-05-28 Luka Maisuradze , Corey S. O'Hern , Mark D. Shattuck

Investigating the cellular internalization pathways of single molecules or single nano-objects is important to understanding cell-matter interactions and to applications in drug delivery and discovery. Imaging and tracking the motion of…

Biological Physics · Physics 2015-06-04 Guosong Hong , Justin Z. Wu , Joshua T. Robinson , Hailiang Wang , Bo Zhang , Hongjie Dai

We use nucleosome maps obtained by high-throughput sequencing to study sequence specificity of intrinsic histone-DNA interactions. In contrast with previous approaches, we employ an analogy between a classical one-dimensional fluid of…

Genomics · Quantitative Biology 2015-05-18 George Locke , Denis Tolkunov , Zarmik Moqtaderi , Kevin Struhl , Alexandre V. Morozov

Molecule-surface interaction is key to many physical and chemical processes at interfaces. Here, we show that the dynamics of single molecules on a surface under ultrahigh vacuum can be resolved using fluorescence imaging. By adapting…

Chemical Physics · Physics 2021-10-19 Tianyu Fang , Florian Elsen , Nick Vogeley , Daqing Wang

Nanophotonics offers a promising range of applications spanning from the development of efficient solar cells to quantum communications and biosensing. However, the ability to efficiently couple fluorescent emitters with nanostructured…

Optical microscopy provides rich spatio-temporal information characterizing in vivo molecular motion. However, effective forces and other parameters used to summarize molecular motion change over time in live cells due to latent state…

Quantitative Methods · Quantitative Biology 2015-11-06 Christopher P. Calderon , Kerry S. Bloom

Cells continuously probe their environment with membrane receptors, achieving subsecond adaptation of their behaviour [1-3]. Recently, several receptors, including cadherins, were found to bind ligands with a lifetime of order of one…

Cell Behavior · Quantitative Biology 2007-09-26 Anne Pierres , Anil Prakasam , Dominique Touchard , Anne-Marie Benoliel , Pierre Bongrand , Deborah Leckband

The Kinetoplast DNA (kDNA) is a two-dimensional Olympic-ring-like network of mutually linked 2.5 kb-long DNA minicircles found in certain parasites called Trypanosomes. Understanding the self-assembly and replication of this structure are…

Soft Condensed Matter · Physics 2022-09-07 Pinyao He , Allard J. Katan , Luca Tubiana , Cees Dekker , Davide Michieletto

Dense correspondence between humans carries powerful semantic information that can be utilized to solve fundamental problems for full-body understanding such as in-the-wild surface matching, tracking and reconstruction. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Anastasia Ianina , Nikolaos Sarafianos , Yuanlu Xu , Ignacio Rocco , Tony Tung

The chemical behaviour of single metal atoms largely depends on the local coordination environment, including interactions with the substrate and with the surrounding gas or liquid. However, the key instrumentation for studying such systems…

Recently, dense connections have attracted substantial attention in computer vision because they facilitate gradient flow and implicit deep supervision during training. Particularly, DenseNet, which connects each layer to every other layer…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Jose Dolz , Karthik Gopinath , Jing Yuan , Herve Lombaert , Christian Desrosiers , Ismail Ben Ayed

The aim of this paper is to rigorously study dynamics of Heterogeneously Coupled Maps (HCM). Such systems are determined by a network with heterogeneous degrees. Some nodes, called hubs, are very well connected while most nodes interact…

Dynamical Systems · Mathematics 2017-12-20 Tiago Pereira , Sebastian van Strien , Matteo Tanzi

Molecular signalling in living cells occurs at low copy numbers and is thereby inherently limited by the noise imposed by thermal diffusion. The precision at which biochemical receptors can count signalling molecules is intimately related…

Statistical Mechanics · Physics 2016-09-26 Aljaz Godec , Ralf Metzler

By combining high-density super-resolution imaging with a novel stochastic analysis, we report here a peculiar nano-structure organization revealed by the density function of individual AMPA receptors moving on the surface of cultured…

Subcellular Processes · Quantitative Biology 2014-07-01 N. Hoze , D. Holcman

We investigate multicellular sender receiver systems embedded in hydrogel beads, where diffusible signals mediate interactions among heterogeneous cells. Such systems are modeled by PDE ODE couplings that combine three dimensional diffusion…

Systems and Control · Electrical Eng. & Systems 2025-12-15 Taishi Kotsuka , Enoch Yeung

In light of the inherent entailment relations between images and text, hyperbolic point vector embeddings, leveraging the hierarchical modeling advantages of hyperbolic space, have been utilized for visual semantic representation learning.…

Artificial Intelligence · Computer Science 2024-08-21 Zhi Qiao , Linbin Han , Xiantong Zhen , Jia-Hong Gao , Zhen Qian

Several processes in the cell, such as gene regulation, start when key proteins recognise and bind to short DNA sequences. However, as these sequences can be hundreds of million times shorter than the genome, they are hard to find by simple…

Subcellular Processes · Quantitative Biology 2021-01-27 Markus Nyberg , Tobias Ambjörnsson , Per Stenberg , and Ludvig Lizana

The structures, as building-blocks for designing functional nanomaterials, have fueled the development of versatile nanoprobes to understand local structures of noncrystalline specimens. Progresses in analyzing structures of individual…

Molecular interactions are key to many chemical and biological processes like protein function. In many signaling processes they occur in sub-cellular areas displaying nanoscale organizations and involving molecular assemblies. The…

Conformational dynamics of biomolecules are of fundamental importance for their function. Single-molecule F\"orster Resonance Energy Transfer (smFRET) is a powerful approach to inform on the structure and the dynamics of labeled molecules.…