Search Results - "Jakubek, Ryan S"
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Calibration of Raman wavenumber in large Raman images using a mercury‐argon lamp
Published in Journal of Raman spectroscopy (01-07-2020)“…Raman imaging is an emerging tool for the analysis of meteorites, as it is capable of describing mineralogy, carbon composition/speciation, and crystal…”
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Assessment of petrologic subtypes, subgroups, and pairing within CV chondrites in the US Antarctic meteorite collection
Published in Meteoritics & planetary science (01-01-2023)“…Carbonaceous chondrites of the Vigarano group (CV) are primitive (nearly un‐metamorphosed) meteorites that provide a wealth of information about the early…”
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3
Impact shock origin of diamonds in ureilite meteorites
Published in Proceedings of the National Academy of Sciences - PNAS (13-10-2020)“…The origin of diamonds in ureilite meteorites is a timely topic in planetary geology as recent studies have proposed their formation at static pressures >20…”
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Laser Raman Induced Degradation of Macromolecular Carbon in Coals and Meteorites
Published in Earth and space science (Hoboken, N.J.) (01-06-2023)“…Macromolecular carbon (MMC) is a polymeric solid form of carbon formed from numerous natural and anthropogenic processes. MMC is found in geologic samples,…”
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SHERLOC Raman Mineral Class Detections of the Mars 2020 Crater Floor Campaign
Published in Journal of geophysical research. Planets (01-03-2023)“…The goals of NASA's Mars 2020 mission include searching for evidence of ancient life on Mars, studying the geology of Jezero crater, understanding Mars'…”
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6
A Model for Inhomogeneously Broadened Raman Bands
Published in Applied spectroscopy (01-01-2023)“…Detailed information on the physics and chemistry of a sample can be derived from Raman band parameters. However, the Raman band observed by the detector…”
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Effect of the spectrometer slit width and charge‐coupled device detector on Raman intensities
Published in Journal of Raman spectroscopy (01-07-2021)“…It is well known that Raman intensities are affected by the spectrometer slit width. Wider slit widths provide increased Raman intensity at the cost of…”
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8
A new model for the calculation of homogeneously broadened Raman spectral bandwidths and bandshapes
Published in Journal of Raman spectroscopy (01-01-2022)“…Raman spectral bandwidths and bandshapes can provide detailed information on the physics and chemistry of a sample. The Raman band reported by a spectrometer…”
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9
Ultraviolet resonance Raman spectroscopic markers for protein structure and dynamics
Published in TrAC, Trends in analytical chemistry (Regular ed.) (01-06-2018)“…UV resonance Raman (UVRR) spectroscopy is a powerful tool for investigating the structure of biological molecules, such as proteins. Numerous UVRR…”
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10
Calibration of the temporal drift in absolute and relative Raman intensities in large Raman images using a mercury–argon lamp
Published in Journal of Raman spectroscopy (01-01-2022)“…Raman imaging is a powerful tool for the analysis of astromaterials including meteorites, cosmic dust, and samples returned to Earth by spacecraft. Many…”
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11
Calibration of Raman bandwidth in large Raman images using a mercury–argon lamp
Published in Journal of Raman spectroscopy (01-03-2021)“…Raman imaging has proven to be an important tool in the analysis of astromaterials. Raman imaging can describe the composition and mineralogy of astromaterials…”
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12
Hydrophobic Collapse Initiates the Poly(N‑isopropylacrylamide) Volume Phase Transition Reaction Coordinate
Published in The journal of physical chemistry. B (22-03-2018)“…The best-known examples of smart, responsive hydrogels derive from poly(N-isopropylacrylamide) (PNIPAM) cross-linked polymer networks. These hydrogels undergo…”
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13
Raman spectroscopy provides insight into carbonate rock fabric based on calcite and dolomite crystal orientation
Published in Journal of Raman spectroscopy (01-06-2021)“…Carbonate rocks record the oldest forms of life on Earth, and their geologic reconstruction requires multiple methods to determine physical and chemical…”
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14
Mechanisms by Which Organic Solvent Exchange Transforms Responsive Pure Protein Hydrogels into Responsive Organogels
Published in Biomacromolecules (10-02-2020)“…Responsive pure protein organogel sensors and catalysts are fabricated by replacing the aqueous mobile phase of protein hydrogels with pure ethylene glycol…”
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15
Interaction Enthalpy of Side Chain and Backbone Amides in Polyglutamine Solution Monomers and Fibrils
Published in The journal of physical chemistry letters (19-04-2018)“…We determined an empirical correlation that relates the amide I vibrational band frequencies of the glutamine (Q) side chain to the strength of hydrogen…”
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16
UV Resonance Raman Structural Characterization of an (In)soluble Polyglutamine Peptide
Published in The journal of physical chemistry. B (28-02-2019)“…Fibrillization of polyglutamine (polyQ) tracts in proteins is implicated in at least 10 neurodegenerative diseases. This generates great interest in the…”
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Calibration of Raman Bandwidths on the Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) Deep Ultraviolet Raman and Fluorescence Instrument Aboard the Perseverance Rover
Published in Applied spectroscopy (01-09-2024)“…In this work, we derive a simple method for calibrating Raman bandwidths for the Scanning Habitable Environments with Raman and Luminescence for Organics and…”
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Spectral Background Calibration of Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) Spectrometer Onboard the Perseverance Rover Enables Identification of a Ubiquitous Martian Spectral Component
Published in Applied spectroscopy (03-10-2024)“…The rover landed at Jezero crater, Mars, on 18 February 2021, with a payload of scientific instruments to examine Mars' past habitability, look for signs of…”
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19
Polyglutamine Solution-State Structural Propensity Is Repeat Length Dependent
Published in The journal of physical chemistry. B (16-05-2019)“…Expanded polyglutamine (polyQ) tracts in proteins, which are known to induce their aggregation, are associated with numerous neurodegenerative diseases. Longer…”
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Calibration of the SHERLOC Deep Ultraviolet Fluorescence–Raman Spectrometer on the Perseverance Rover
Published in Applied spectroscopy (01-07-2021)“…We describe the wavelength calibration of the spectrometer for the scanning of habitable environments with Raman and luminescence for organics and chemicals…”
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