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Environmental factors determine the smells we perceive, but societal factors factors shape the importance, sentiment and biases we give to them. Descriptions of smells in text, or as we call them `smell experiences', offer a window into…

计算与语言 · 计算机科学 2020-12-08 Ryan Brate , Paul Groth , Marieke van Erp

We use moving light patterns to control the motion of {\it Escherichia coli} bacteria whose motility is photo-activated. Varying the pattern speed controls the magnitude and direction of the bacterial flux, and therefore the accumulation of…

Sporulation in Bacillus subtilis serves as a paradigm for the development of two different cell types (mother cell and prespore) from a single cell. The mechanism by which the two different developmental programs are initiated has been much…

分子网络 · 定量生物学 2007-05-23 Dagmar Iber , Joanna Clarkson , Michael D Yudkin , Iain D Campbell

Bacterial biofilms collectively develop distinct and ordered structures, including fibers, bundles, and branches. Often, it is unclear how these structural motifs convey specific advantages to bacterial strains under challenging conditions.…

软凝聚态物质 · 物理学 2022-11-16 Mustafa Basaran , Tevfik Can Yüce , Yusuf Ilker Yaman , Roman Vetter , Askin Kocabas

We present a framework based on conditional entropy and the Dirichlet distribution for classifying chromosomes based on the degree to which they use synonymous codons uniformly or preferentially, that is, whether or not codons that code for…

基因组学 · 定量生物学 2015-10-15 Andrew Hart , Servet Martínez

How can we identify causal genetic mechanisms that govern bacterial traits? Initial efforts entrusting machine learning models to handle the task of predicting phenotype from genotype return high accuracy scores. However, attempts to…

基因组学 · 定量生物学 2025-02-12 Tamsin James , Ben Williamson , Peter Tino , Nicole Wheeler

An improved method for Fluctuation Enhanced Sensing (FES) is introduced. We enhanced the old binary fingerprinting method, where the fingerprint bit values were +/- 1, by introducing ternary fingerprints utilizing a reference odor. In the…

信号处理 · 电气工程与系统科学 2020-02-12 X. You , L. B. Kish , J. -L. Seguin , M. D. King

Olfaction, the sense of smell, has received scant attention from a signal processing perspective in comparison to audition and vision. In this paper, we develop a signal processing paradigm for olfactory signals based on new scientific…

信息论 · 计算机科学 2015-09-16 Kush R. Varshney , Lav R. Varshney

Footstep recognition is a relatively new biometric which aims to discriminate people using walking characteristics. There are several feature and technology have been adopted in various research. This study will attempt to show a…

人机交互 · 计算机科学 2024-11-27 Arif Rachmat

Coding information is the main source of heterogeneity (non-randomness) in the sequences of bacterial genomes. This information can be naturally modeled by analysing cluster structures in the "in-phase" triplet distributions of relatively…

基因组学 · 定量生物学 2011-11-09 A. N. Gorban , T. G. Popova , A. Yu. Zinovyev

Context: Test smells are symptoms of sub-optimal design choices adopted when developing test cases. Previous studies have proved their harmfulness for test code maintainability and effectiveness. Therefore, researchers have been proposing…

Motivation: One of the branches of Systems Biology is focused on a deep understanding of underlying regulatory networks through the analysis of the biomolecules oscillations and their interplay. Synthetic Biology exploits gene or/and…

分子网络 · 定量生物学 2020-11-30 Francesco Bardozzo , Pietro Liò , Roberto Tagliaferri

Distinguishing between swarming and swimming, the two principal forms of bacterial movement, holds significant conceptual and clinical relevance. This is because bacteria that exhibit swarming capabilities often possess unique properties…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Yuzhu Li , Hao Li , Weijie Chen , Keelan O'Riordan , Neha Mani , Yuxuan Qi , Tairan Liu , Sridhar Mani , Aydogan Ozcan

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…

生物物理 · 物理学 2019-05-01 Nishattasnim Liza , Enrique P. Blair

The growing threat of antibiotic resistance necessitates accurate differentiation between bacterial and viral infections for proper antibiotic administration. In this study, a Virus vs. Bacteria machine learning model was developed to…

Soft substrates decorated with micropillar arrays are known to be sensitive to deflection due to capillary action. In this work, we demonstrate micropillared epoxy surfaces are sensitive to single drops of bacterial suspensions. The…

In this paper we propose the use of the Word2vec algorithm in order to obtain odor perception embeddings (or smell embeddings), only using publicly available perfume descriptions. Besides showing meaningful similarity relationships among…

计算与语言 · 计算机科学 2022-03-22 Janek Amann , Manex Agirrezabal

This study explores the use of optical speckle tweezers (ST) to manipulate the motility of Escherichia coli bacteria. By employing the generated speckle patterns, we demonstrate the ability to control bacterial dynamics through optical…

光学 · 物理学 2025-01-17 Ramin Jamali , Mohammad Hadi Sadri , Ali-Reza Moradi

We examine fluctuation effects due to the low copy number of proteins involved in pattern-forming dynamics within a bacterium. We focus on a stochastic model of the oscillating MinCDE protein system regulating accurate cell division in E.…

统计力学 · 物理学 2009-11-10 Martin Howard , Andrew D. Rutenberg

The paper presents the results obtained during research on detection of unsolicited e-mails which are sent by botnets. The distinction from most of the existing solutions is the fact that the presented approach is based on the analysis of…

密码学与安全 · 计算机科学 2019-03-28 Piotr Bazydło , Krzysztof Lasota , Adam Kozakiewicz