Results 211 to 220 of about 173,386 (236)
Optimizing aerodynamic lenses for single-particle imaging [PDF]
Journal of Aerosol Science, 2018 A numerical simulation infrastructure capable of calculating the flow of gas and the trajectories of particles through an aerodynamic lens injector is presented. The simulations increase the fundamental understanding and predict optimized injection geometries and parameters.
Nils Roth, Salah Awel, Daniel Horke
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Single-particle imaging for biosensor applications
Emerging Imaging and Sensing Technologies for Security and Defence II, 2017Current state-of-the-art technology for in-vitro diagnostics employ laboratory tests such as ELISA that consists of a multi-step test procedure and give results in analog format. Results of these tests are interpreted by the color change in a set of diluted samples in a multi-well plate.
Celalettin Yurdakul +6 more
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Single-Particle Imaging of Anion Exchange Reactions in Cuprous Oxide
ACS Nano, 2021Ion exchange is a predominant and flexible route to tailor the composition and crystal structure of various materials. In situ monitoring of the ion exchange process at the single-particle level is critical to better understand the reaction mechanism and engineer high-performance materials.
Haili Yu, Yi He, Yongbing Zhu
exaly +3 more sources
A minimal view of single-particle imaging with X-ray lasers [PDF]
Philosophical Transactions of the Royal Society B: Biological Sciences, 2014 The ability to serially interrogate single biomolecules with femtosecond X-ray pulses from free-electron lasers has ushered in the possibility of determining the three-dimensional structure of biomolecules without crystallization. However, the complexity of imaging a sample's structure from very many of its noisy and incomplete diffraction data can be ...
N Duane Loh
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2007
The current status of single-particle X-ray imaging - or "X-ray crystallography without need for a crystal" - is reviewed, with particular emphasis on the Stony Brook/Cornell/Berkeley single yeast cell imaging project. Two-dimensional (2D) images of a quick-frozen yeast cell have been obtained with a resolution which, if carried out in three ...
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The current status of single-particle X-ray imaging - or "X-ray crystallography without need for a crystal" - is reviewed, with particular emphasis on the Stony Brook/Cornell/Berkeley single yeast cell imaging project. Two-dimensional (2D) images of a quick-frozen yeast cell have been obtained with a resolution which, if carried out in three ...
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Diffractive Imaging of Single Particles
2019The computational methods and applications of diffractive (lensless) imaging are reviewed. Far-field scattering (e. g., by neutrons, electrons, light, or x-rays) by a nonperiodic localized potential is detected and the phase problem solved using iterative optimization methods, which allows a three-dimensional image of the object potential to be ...
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Ultrahigh-Throughput Single-Particle Hyperspectral Imaging of Gold Nanoparticles
Analytical Chemistry, 2023Gold nanoparticles (AuNPs) have become increasingly useful in recent years for their roles in nanomedicine, cellular biology, energy storage and conversion, photocatalysis, and more. At the single-particle level, AuNPs have heterogeneous physical and chemical properties which are not resolvable in ensemble measurements.
James Ethan Batey +3 more
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A Motion Transformer for Single Particle Tracking in Fluorescence Microscopy Images
2023Abstract Single particle tracking is an important image analysis technique widely used in biomedical sciences to follow the movement of sub-cellular structures, which typically appear as individual particles in fluorescence microscopy images.
Yudong Zhang, Ge Yang
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Optimizing and Scaling the 3D Reconstruction of Single-Particle Imaging
2024 IEEE International Parallel and Distributed Processing Symposium (IPDPS)An X-ray free electron laser (XFEL) facility can produce on the order of 1,000,000 extremely bright X-ray light pulses per second. Using an XFEL to image the atomic structure of a molecule requires fast analysis of an enormous amount of data, estimated to exceed one terabyte per second and requiring petabytes of storage.
Niteya Shah +4 more
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Single-particle tracking image microscopy.
Methods in enzymology, 2003The techniques of single particle tracking (SPT) and optical force microscopy (OFM) as described above allow direct imaging of the motion of molecules in the membrane of live cells, and provide a means of controlling the movement by an almost noninvasive method.
Ken, Ritchie, Akihiro, Kusumi
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