Higher sensitivity Digital Gradient Sensing configurations for quantitative visualization of stress gradients in transparent solids
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.04.005
Abstract: Abstract Two modified full-field Digital Gradient Sensing (DGS) methods of higher measurement sensitivity relative to the prevailing ones are described for quantifying small angular deflections of light rays caused by stresses in transparent solids. These… read more here.
Keywords: digital gradient; gradient sensing; sensitivity; dgs ... See more keywords
A simplified reflection-mode digital gradient sensing technique for measuring surface slopes, curvatures and topography
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.105843
Abstract: Abstract A simplified optical apparatus for reflection-mode Digital Gradient Sensing methodology (r-DGS) to perform full-field measurement of surface slopes is proposed. It eliminates the need for a beam splitter to record random speckles off a… read more here.
Keywords: topography; mode digital; digital gradient; gradient sensing ... See more keywords
Bayesian gradient sensing in the presence of rotational diffusion
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abdb70
Abstract: Biological cells estimate concentration gradients of signaling molecules with a precision that is limited not only by sensing noise, but additionally by the cell’s own stochastic motion. We ask for the theoretical limits of gradient… read more here.
Keywords: diffusion; presence; time; gradient sensing ... See more keywords
Guidance of zoospores by potassium gradient sensing mediates aggregation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Royal Society Interface"
DOI: 10.1098/rsif.2019.0367
Abstract: The biflagellate zoospores of some phytopathogenic Phytophthora species spontaneously aggregate within minutes in suspension. We show here that Phytophthora parasitica zoospores can form aggregates in response to a K+ gradient with a particular geometric arrangement.… read more here.
Keywords: mediates aggregation; potassium gradient; gradient sensing; sensing mediates ... See more keywords
Gradient sensing via cell communication.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.103.022405
Abstract: Experimental evidence lends support to the conjecture that cell-to-cell communication plays a role in the gradient sensing of chemical species by certain chains of cells. Models have been formulated to explore this idea. For cells… read more here.
Keywords: sensing via; gradient sensing; communication; cell communication ... See more keywords
Testing the limits of gradient sensing
Sign Up to like & getrecommendations! Published in 2017 at "PLoS Computational Biology"
DOI: 10.1371/journal.pcbi.1005386
Abstract: The ability to detect a chemical gradient is fundamental to many cellular processes. In multicellular organisms gradient sensing plays an important role in many physiological processes such as wound healing and development. Unicellular organisms use… read more here.
Keywords: time; testing limits; gradient sensing; yeast ... See more keywords