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We demonstrate electronic sensing of DNA nanostar (NS) condensate. Specifically, we use electrokinetic nanofluidics to observe and interpret how temperature-induced NS condensation affects nanochannel current. The increase in current upon…

Soft Condensed Matter · Physics 2025-05-16 Kuang-Hua Chou , Alexander Eden , David E. Huber , Sumita Pennathur , Deborah Kuchnir Fygenson

Cavity optomechanics has opened new avenues of research in both fundamental physics and precision measurement by significantly advancing the sensitivity achievable in detecting attonewton forces, nanoparticles, magnetic fields, and…

Applied Physics · Physics 2020-08-14 Feng Zhou , Yiliang Bao , Ramgopal Madugani , David A. Long , Jason J. Gorman , Thomas W. LeBrun

We propose to employ an optical spectroscopy technique to monitor the superconductivity and properties of superconductors in the fluctuating regime. This technique is operational close to the plasmon resonance frequency of the material, and…

Mesoscale and Nanoscale Physics · Physics 2020-05-26 V. M. Kovalev , I. G. Savenko

Identifying thermodynamic signatures of electronic phases, such as superconductivity, is challenging in low-dimensional materials due to strong fluctuations and low probing volume. Spectroscopic methods are often used to identify new bulk…

Superconductivity · Physics 2025-04-15 Xu Chen , Yuanjie Sun , Eugen Hruska , Vivek Dixit , Jinming Yang , Yu He , Yao Wang , Fang Liu

The precision of intensity measurements of the extragalactic X-ray Background (XRB) on an angular scale of about a degree is dominated by spatial fluctuations caused by source confusion noise. X-ray source counts at the flux level…

Astrophysics · Physics 2009-10-30 X. Barcons , A. C. Fabian , F. J. Carrera

A method for online decorrelation of chemical sensor signals from the effects of environmental humidity and temperature variations is proposed. The goal is to improve the accuracy of electronic nose measurements for continuous monitoring by…

Data Analysis, Statistics and Probability · Physics 2017-03-17 Ramon Huerta , Thiago S. Mosqueiro , Jordi Fonollosa , Nikolai F Rulkov , Irene Rodriguez-Lujan

A rapid, cost-effective and easy method that allows on-site determination of the concentration of live and dead bacterial cells using a fibre-based spectroscopic device (the optrode system) is proposed and demonstrated. Identification of…

Quantitative Methods · Quantitative Biology 2018-09-12 Fang Ou , Cushla McGoverin , Simon Swift , Frédérique Vanholsbeeck

The olfactory sense measures the chemical composition of the environment using a diverse array of olfactory receptors. In vertebrates, the olfactory receptors reside in a mucus layer in the nasal cavity and can thus only detect odorants…

Biological Physics · Physics 2023-01-25 Swati Sen , David Zwicker

Superconducting transitions are driven by thermal fluctuations close to the transition temperature, Tc. These fluctuations are averaged out in global measurements, leaving imprints on susceptibility and resistance measurements. Here, we use…

Superconductivity · Physics 2018-06-29 Shai Wissberg , Aviad Frydman , Beena Kalisky

Odor detection underpins food safety, environmental monitoring, medical diagnostics, and many more fields. The current artificial sensors developed for odor detection struggle with complex mixtures while non-invasive recordings lack…

Machine Learning · Computer Science 2025-08-14 Matin Hassanloo , Ali Zareh , Mehmet Kemal Özdemir

We achieved for the first time a direct measurement of the thermal fluctuation of a pendulum in an off-resonant region using a laser interferometric gravitational wave detector. These measurements have been well identified for over one…

The cooperative binding of molecular agents onto a substrate is pervasive in living systems. To study whether a system shows cooperativity, one can rely on a fluctuation analysis of quantities such as the number of substrate-bound units and…

Bioconvection is a phenomenon caused by microorganisms with tactic properties. To effectively utilize bioconvection for industrial purposes, it is necessary to find a way to control it. In this study, we performed a three-dimensional…

Fluid Dynamics · Physics 2025-05-14 Hideki Yanaoka , Daichi Koizumi

A fundamental step in the race to design a rapid diagnostic test for antimicrobial resistance is the separation of bacteria from their matrix. Many recent studies have been focused on the development of systems capable of separating and…

Biological Physics · Physics 2021-11-01 Vincenzo Ierardi

Sensory systems have evolved to respond to input stimuli of certain statistical properties, and to reliably transmit this information through biochemical pathways. Hence, for an experimentally well-characterized sensory system, one ought to…

Cell Behavior · Quantitative Biology 2014-10-30 Diana Clausznitzer , Gabriele Micali , Silke Neumann , Victor Sourjik , Robert G. Endres

The sensitivity of direct terahertz detectors based on self-mixing of terahertz electromagnetic wave in field-effect transistors is being improved with noise-equivalent power close to that of Schottky-barrier-diode detectors. Here we report…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Hua Qin , Xiang Li , Jiandong Sun , Zhipeng Zhang , Yunfei Sun , Yao Yu , Xingxin Li , Muchang Luo

Electron tunneling spectroscopy pioneered by Esaki and Giaever offered a powerful tool for studying electronic spectra and density of states (DOS) in superconductors. This led to important discoveries that revealed, in particular, the…

Superconductivity · Physics 2013-11-27 A. Glatz , A. A. Varlamov , V. M. Vinokur

The vibrational theory of olfaction was posited to explain subtle effects in the sense of smell inexplicable by models in which molecular structure alone determines an odorant's smell. Amazingly, behavioral and neurophysiological evidence…

Biological Physics · Physics 2019-05-01 Nishattasnim Liza , Enrique P. Blair

The nonequilibrium activity taking place in a living cell can be monitored with a tracer embedded in the medium. While microrheology experiments based on optical manipulation of such probes have become increasingly standard, we put forward…

Soft Condensed Matter · Physics 2014-10-31 Étienne Fodor , Kiyoshi Kanazawa , Hisao Hayakawa , Paolo Visco , Frédéric van Wijland

Bug localization is an important aspect of software maintenance because it can locate modules that should be changed to fix a specific bug. Our previous study showed that the accuracy of the information retrieval (IR)-based bug localization…

Software Engineering · Computer Science 2021-05-07 Aoi Takahashi , Natthawute Sae-Lim , Shinpei Hayashi , Motoshi Saeki
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