Results 111 to 120 of about 881,282 (301)

Reflectance Spectroscopy of 27 Fine-particulate Mineral Samples from Far-ultraviolet through Mid-infrared (0.12–20 μm)

open access: yesThe Planetary Science Journal
This paper presents far-ultraviolet through mid-infrared (0.12–20 μ m) reflectance spectra of 27 fine-particulate (
Melissa D. Lane   +11 more
doaj   +1 more source

Three-dimensional Middle Infrared Spectroscopy Study on Crystalline and Amorphous Structures and Thermostability of Corn, Wheat, and Pea Starch

open access: yesLiang you shipin ke-ji
The structure and thermal denaturation of three types of starch, including corn starch, wheat starch, and pea starch, were studied using one-dimensional mid infrared (MIR) spectroscopy, temperature dependent one-dimensional MIR spectroscopy and two ...
KONG Xiao-mei   +7 more
doaj   +1 more source

Femtosecond infrared spectroscopy of channelrhodopsin-1 chromophore isomerization

open access: yesStructural Dynamics, 2016
Vibrational dynamics of the retinal all-trans to 13-cis photoisomerization in channelrhodopsin-1 from Chlamydomonas augustae (CaChR1) was investigated by femtosecond visible pump mid-IR probe spectroscopy.
T. Stensitzki   +5 more
doaj   +1 more source

A program of astronomical infrared spectroscopy from aircraft [PDF]

open access: yes
Astronomical infrared spectroscopy from ...
Forbes, F. F.   +2 more
core   +1 more source

Improved source of infrared radiation for spectroscopy [PDF]

open access: yes, 1971
Radiation from a crimped V-groove in the electrically heated metallic element of a high-resolution infrared spectrometer is more intense than that from plane areas adjacent to the element.
Burkhard, D. G., Rao, K. N.
core   +1 more source

Counts and Sizes of Galaxies in the Hubble Deep Field - South: Implications for the Next Generation Space Telescope

open access: yes, 2000
Science objectives for the Next Generation Space Telescope (NGST) include a large component of galaxy surveys, both imaging and spectroscopy. The Hubble Deep Field datasets include the deepest observations ever made in the ultraviolet, optical and near ...
Abraham R. G.   +5 more
core   +1 more source

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

Infrared spectroscopy of Comet Kohoutek [PDF]

open access: yes
Interferometry observations from 90-in. and 61-in. telescopes tracking the Comet Kohoutek are summarized. Laboratory reflection studies of ices potentially useful for future cometary work were conducted.
Fink, U.
core   +1 more source

Emergent Spin‐Glass Behavior in an Iron(II)‐Based Metal–Organic Framework Glass

open access: yesAdvanced Functional Materials, EarlyView.
A one‐pot, solvent‐free synthesis yields an Fe2+‐based metal‐organic framework (MOF) glass featuring a continuous random network structure. The material exhibits spin‐glass freezing at 14 K, driven by topological‐disorder and short‐range magnetic frustration, showcasing the potential of MOF glasses as a plattform for cooperative magnetic phenomena in ...
Chinmoy Das   +8 more
wiley   +1 more source

Microfluidic Cuvette for Near-Infrared Spectroscopy

open access: yesProceedings
We intend to develop an in situ near-infrared spectroscopic solution for monitoring the nutrient composition (e.g., lactate concentration) in microfluidic channels of organ-on-chip devices.
Zoltán Szabó   +7 more
doaj   +1 more source

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