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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 119 for “"Microsecond"”.
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Ablation of Steel by Microsecond Pulse Trains
… lasers, with pulse durations of milli- and microseconds, are used primarily for laser through-cutting and welding. In this work, a two-pulse sequence using microsecond pulse durations is demonstrated to achieve consistent material removal during percussion drilling when the delay between the …
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Microsecond Time Synchronization for Computing Fiber Networks
We present a microsecond-accurate time synchronization method and time localization system for a sensor network of spatially-separated, low-power Bluetooth nodes, with the goal of integrating this system into thermally-drawn computing fibers. Each node consists of an nRF54L15 SoC paired with an …
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GPU-based, Microsecond Latency, Hecto-Channel MIMO Feedback Control of Magnetically Confined Plasmas
… employs a Graphics Processing Unit (GPU) for microsecond-latency, real-time control computations. This novel application area for GPU computing is opened up by a new system architecture that is optimized for low-latency computations on less than kilobyte sized data samples as they occur in …
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Direct observation of fast protein folding: Distinct nanosecond and microsecond events in the folding of apomyoglobin
… to a compact state is complete in under 20 microseconds under strongly-nativizing conditions. The intrinsic tryptophan fluorescence (residue 14 in the A alpha helix) serves as a local probe of the A-helix and the disposition of the H alpha helix. Methionine (residue 131 in the H-helix) …
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Measurement of internal movements of the Eschericia coli ribosome using Förster Resonance Energy Transfer & microsecond, continuous-flow turbulent mixing in microfabricated devices
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-23T20:18:12Z No. of bitstreams: 1 Majumdar_Zigurts.pdf: 5873384 bytes, checksum: 3da545408d4102cc9f2957184b32ebb7 (MD5)
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Measurement of Internal Movements of the Escherichia Coli Ribosome Using Forster Resonance Energy Transfer and Microsecond, Continuous -Flow Turbulent Mixing in Micro-Fabricated Devices
… homogeneity on the molecular scale in the microsecond range. The prototypical designs are compact, portable, simple to fabricate and consume smaller sample volumes than current technology. We characterize the turbulent mixing process in microfluidic channels with fluorescence intensity and …
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Light-induced currents from oriented purple membrane
… In the second section, the correlation of the microsecond photocurrent component with the optical intermediates of the photocycle of bacteriorhodopsin was studied. It was found that the rise phase of microsecond component of photocurrent is closely correlated with K-L optical transition and …
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Development & Application of Fluorescence Spectroscopy & Fluorescence Lifetime Imaging to Biology & Medicine
… to extend the FRET and FLIM methods for studying microsecond reaction kinetics. The common thread and unifying theme of the dissertation is the development and application of fluorescence spectroscopy and microscopy (in particular, FRET and FLIM) to biology and medicine. Several separate research …
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Development &Amp; Application of Fluorescence Spectroscopy &Amp; Fluorescence Lifetime Imaging to Biology &Amp; Medicine
… to extend the FRET and FLIM methods for studying microsecond reaction kinetics. The common thread and unifying theme of the dissertation is the development and application of fluorescence spectroscopy and microscopy (in particular, FRET and FLIM) to biology and medicine. Several separate research …
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Parameterization of the Gay-Berne coarse-grained potential from atomistically detailed anisotropic free energy volumes
… protein using all atom molecular dynamics on the microsecond time-scale, would require an enormous amount of computing power and specialized software, even with which would still require months of computing time. However, if the atomic degrees of freedom of the system can be reduced (or averaged) …
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Fast electrochemistry of surface monolayers on ultramicroelectrodes
… of kinetic electrode reaction events in the microsecond and nanosecond regimes.
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Next Generation Operating Systems for the Datacenter
… and dataintensive workloads that require both microsecond-scale low latency and high throughput, while simultaneously achieving high resource utilization and efficient multi-tenancy. Traditional operating systems, designed for an era of slower hardware, introduce significant overheads to …
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FTIR Difference Spectroscopy Studies on Membrane Proteins
… or can be done in a time-dependent manner in the microsecond/millisecond time range.
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Surface-Enhanced Spectroelectrochemistry using Synchrotron Infrared Radiation
… with characteristic timescales in the milli- to microsecond regime, achieving a suitably low rise time requires the use of an electrode with critical dimensions in the hundreds of micrometers, i.e. a microelectrode. In this thesis, I develop the spectroscopic platform necessary to perform …
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Temperature- and pressure-induced protein dynamics from microseconds to minutes
… from the second or millisecond time scale to the microsecond time scale, and full-atom simulations have been extended from the nanosecond to the microsecond and even millisecond time scale. Where the two meet, it is now possible to compare results directly, allowing force fields to be validated …
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Photodissociation Dynamics In Titan's Atmosphere
… of metastable triplet diacetylene confirms sub-microsecond lifetimes. Photodissociation of cyanoacetylene at 193.3 nm proceeds on the S1 potential energy surface with an exit barrier. In heptane photodissociation, the dissociation occurs on the ground state or low-lying triplet states with …
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Construction and analysis of real-time relay for efficient antenna sharing
… Latency measurements of less than one microsecond and signal-to-noise ratio loss of 2.3 dB are found. Comparisons with a time domain multiplexing digital relaying scheme show that analog relaying may be advantageous in applications demanding low latency.
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Nano- and Micro-Second Electrical Pulsing of B16-F10 Mouse Melanoma Cells: Plasma Membrane and Sub-Cellular Organelle Changes
… Different pulse durations, nanosecond (ns) and microsecond (µs), and field magnitudes, 60 kV/cm and 1.2 kV/cm, were applied to mouse melanoma B16-F10 cells. Two different ns durations (60 and 300 ns) with an electric field of 60 kV/cm and microsecond duration (100 µs) at 1.2 kV/cm were used in …
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Solid State NMR Relaxation Studies of Triosephosphate Isomerase
… in proteins, particularly on the millisecond-to-microsecond timescale. Using solid state NMR, few techniques exist that can quantify dynamics on this timescale. Previous R1ρ relaxation measurements in the solid state have utilized reorientation of a dipole tensor to observe dynamics. This …
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The Effects Of Electrode Geometry On Current Pulse Caused By Electrical Discharge Over An Ultra-fast Laser Filament
… of a high-voltage capacitor and the resulting microsecond-scale electrical discharge was measured using fast current sensors. Significant differences in the time dependence of the current were seen with the two electrode geometries used. Using sharp-tipped electrodes additional peaks in the …
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