Articles with "ultra short" as a keyword



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Ultra‐short T2 components imaging of the whole brain using 3D dual‐echo UTE MRI with rosette k‐space pattern

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29451

Abstract: This study aimed to develop a new 3D dual‐echo rosette k‐space trajectory, specifically designed for UTE MRI applications. The imaging of the ultra‐short transverse relaxation time (uT2) of brain was acquired to test the performance… read more here.

Keywords: dual echo; ute mri; ultra short; rosette space ... See more keywords
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Quantification of GABA concentration measured noninvasively in the human posterior cingulate cortex with 7 T ultra‐short‐TE MR spectroscopy

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29514

Abstract: The increased spectral dispersion achieved at ultra‐high field permits quantification of γ‐aminobutyric acid (GABA) concentrations at ultra‐short‐TE without editing. This work investigated the influence of spectral quality and different LCModel fitting approaches on quantification of… read more here.

Keywords: quantification; spectroscopy; quantification gaba; ultra short ... See more keywords
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Challenges in the analytical determination of ultra-short-chain perfluoroalkyl acids and implications for environmental and human health

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Published in 2020 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-020-02692-8

Abstract: Ultra-short-chain perfluoroalkyl acids have recently gained attention due to increasing environmental concentrations being observed. The most well-known ultra-short-chain perfluoroalkyl acid is trifluoroacetic acid (TFA) which has been studied since the 1990s. Potential sources and the… read more here.

Keywords: perfluoroalkyl acids; ultra short; short chain; analytical determination ... See more keywords
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Comparative performance of the ultra-short channel technology for the DG-FinFET characteristics using different high-k dielectric materials

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Published in 2020 at "Indian Journal of Physics"

DOI: 10.1007/s12648-020-01846-9

Abstract: The downscaling of the SOI-MOSFET device has an important role of the advanced technology in the semiconductor industry, so the researchers aim to find the structure which can improve the considerable reduction, this paper is investigated… read more here.

Keywords: using different; different high; ultra short; technology ... See more keywords
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Ultra-short pulsed laser powder bed fusion of Al-Si alloys: Impact of pulse duration and energy in comparison to continuous wave excitation

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Published in 2021 at "Additive manufacturing"

DOI: 10.1016/j.addma.2021.102085

Abstract: Abstract Laser assisted powder bed fusion of Al-40 wt%Si using ultra-short laser pulses is presented. The effects of the pulse duration as well as the pulse energy on the melt pool size, solidification morphology and material… read more here.

Keywords: powder bed; laser; bed fusion; ultra short ... See more keywords
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Synthesis of multi-color luminescent ZnO nanoparticles by ultra-short pulsed laser ablation

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144954

Abstract: Abstract Crystalline ZnO nanoparticles (NPs) are synthesized by ultra-short femtosecond (fs) pulsed laser ablation (PLA) of a zinc plate in deionized water, and are investigated by optical absorption and time resolved luminescence spectra in combination… read more here.

Keywords: zno; laser ablation; ultra short; zno nanoparticles ... See more keywords
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Atomistic simulation of ultra-short pulsed laser ablation of metals with single and double pulses: An investigation of the re-deposition phenomenon

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147775

Abstract: Abstract The demand for higher throughput in the processing of materials with ultra-short pulsed lasers has motivated studies on the use of double pulses (DP). It has been observed in such studies that at relatively… read more here.

Keywords: short pulsed; investigation; ablation; double pulses ... See more keywords
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Peptide oligomers from ultra-short peptides using sortase

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Published in 2017 at "Biochemistry and Biophysics Reports"

DOI: 10.1016/j.bbrep.2017.02.005

Abstract: Sortase A catalyzed ligation of ultra-short peptides leads to inter/intra-molecular transpeptidation to form either linear or cyclic oligomers dependent upon the peptide length. Cyclic peptides were the main products for peptides with more than 15aa.… read more here.

Keywords: oligomers ultra; short peptides; peptide oligomers; ultra short ... See more keywords
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The overlooked short- and ultrashort-chain poly- and perfluorinated substances: A review.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.12.186

Abstract: Poly- and perfluorinated substances (PFAS) comprise more than 3000 individual compounds; nevertheless, most studies to date have focused mainly on the fate, transport and remediation of long-chain PFAS (C > 7). The main objective of this article… read more here.

Keywords: chain; perfluorinated substances; poly perfluorinated; short chain ... See more keywords
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Pyrazole derived ultra-short antimicrobial peptidomimetics with potent anti-biofilm activity.

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Published in 2017 at "European journal of medicinal chemistry"

DOI: 10.1016/j.ejmech.2016.09.071

Abstract: In this study, we report on the first chemical synthesis of ultra-short pyrazole-arginine based antimicrobial peptidomimetics derived from the newly synthesized N-alkyl/aryl pyrazole amino acids. Through the systematic tuning of hydrophobicity, charge, and peptide length,… read more here.

Keywords: antimicrobial peptidomimetics; anti biofilm; ultra short; biofilm activity ... See more keywords
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Ultra-Short Pulsed Laser Manufacturing and Surface Processing of Microdevices

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Published in 2018 at "Engineering"

DOI: 10.1016/j.eng.2018.10.004

Abstract: Abstract Ultra-short laser pulses possess many advantages for materials processing. Ultrafast laser has a significantly low thermal effect on the areas surrounding the focal point; therefore, it is a promising tool for micro- and submicro-sized… read more here.

Keywords: laser; surface; ultra short; short pulsed ... See more keywords