Výsledky vyhledávání - "L. D. Graham"

Ina, Moon: Geologic setting, scientific rationale, and site characterization for a small planetary lander concept

Autor: Julie Stopar, David S. Draper, Samuel J. Lawrence, Brett W. Denevi, Joseph Hamilton, Jorge I. Nunez, Bryan J. Maas, Kristen K. John, L. D. Graham, Heather Meyer, John E. Gruener, Jacob M. Greenberg

Publikováno v: Planetary and Space Science. 171:1-16

The Ina Irregular Mare Patch (IMP) in the central lunar nearside (18.7°N, 5.3°E) is a small, two-by-three-kilometer exposure of uncommon volcanic deposits. The unusually well-preserved deposits occurring at Ina suggest that they were recently empla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::437da1dd720f9f6d8ec5221474133a74
https://doi.org/10.1016/j.pss.2019.04.003

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The Scientific Need for a Dedicated Interplanetary Dust Instrument at Mars

Publikováno v: Bulletin of the AAS
Bulletin of the AAS, American Astronomical Society, 2021, 53 (4), pp.097. ⟨10.3847/25c2cfeb.824a8f73⟩

International audience; Interplanetary dust is a scientifically important constituent of the Solar System that consists of material shed by asteroids, comets, and other airless bodies. As used here, the term “dust” includes interplanetary dust pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32ef8d1ed3e8b3fc5d83b46be7c04628
https://hal.archives-ouvertes.fr/hal-03454376/document

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A Flexible Lunar Architecture for Exploration (FLARE) supporting NASA's Artemis Program

Autor: Michael Evans, L. D. Graham

Publikováno v: Acta Astronautica

The Flexible Lunar Architecture for Exploration (FLARE) is a concept to deliver four crew to the lunar surface for a minimum of seven days and then return them safely to Earth. FLARE can be implemented whenever the component vehicles are operational.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dea5dfc76193598acad3765dc530d226
http://europepmc.org/articles/PMC7385728

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The Strata-1 experiment on small body regolith segregation

Publikováno v: Acta Astronautica. 142:87-94

The Strata-1 experiment studies the mixing and segregation dynamics of regolith on small bodies by exposing a suite of regolith simulants to the microgravity environment aboard the International Space Station (ISS) for one year. This will improve our

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4fec5b0d9e3f7b73ccc33e81bab12910
https://doi.org/10.1016/j.actaastro.2017.10.025

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Moon and Mars Analog Mission Activities for Mauna Kea 2012

Autor: Daniel P. Glavin, Charles Malespin, R. A. Yingst, I. L. ten Kate, Richard V. Morris, M. Hedlund, L. D. Graham, Trevor G. Graff, E. Mumm

Publikováno v: 2013 IEEE Aerospace Conference.

Rover-based 2012 Moon and Mars Analog Mission Activities (MMAMA) scientific investigations were recently completed at Mauna Kea, Hawaii. Scientific investigations, scientific input, and science operations constraints were tested in the context of an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8139c4b4b0b1c9e35c1c2b541f566ae
https://doi.org/10.1109/aero.2013.6497195

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Flexible-Path Human Exploration

Autor: Dan Coulter, Mark Adler, Leon Alkalai, Steve Hoffman, L. D. Graham, Brent Sherwood, John Grunsfeld, Frank Jordan, Bernard D. Seery, Rob Landis, Firouz Naderi, Garry Burdick, Bret G. Drake

Publikováno v: AIAA SPACE 2010 Conference & Exposition.

In the fourth quarter of 2009 an in-house, multi-center NASA study team briefly examined "Flexible Path" concepts to begin understanding characteristics, content, and roles of potential missions consistent with the strategy proposed by the Augustine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c63f984b297653a33034f7dfa1dbcac1
https://doi.org/10.2514/6.2010-8607

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Identification of the active-site lysine residues of two biosynthetic 3-dehydroquinases

Autor: Subhendu Chaudhuri, L. D. Graham, Kenneth Duncan, John R. Coggins

Publikováno v: Biochemical Journal. 275:1-6

The lysine residues involved in Schiff-base formation at the active sites of both the 3-dehydroquinase component of the pentafunctional arom enzyme of Neurospora crassa and of the monofunctional 3-dehydroquinase of Escherichia coli were labelled by t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6d82494496a685c00541504bdae3ea3
https://doi.org/10.1042/bj2750001

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Linkers for improved cleavage of fusion proteins with an engineered alpha-lytic protease

Autor: S, Lien, S J, Milner, L D, Graham, J C, Wallace, G L, Francis

Publikováno v: Biotechnology and bioengineering. 74(4)

Addition of an N-terminal fusion partner can greatly aid the expression and purification of a recombinant protein in Escherichia coli. We investigated two genetically engineered proteases designed to remove the fusion partner after the protein of int

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6a57caa342f60a6abe5585a2b32856e0
https://pubmed.ncbi.nlm.nih.gov/11410858

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Combinatorial strategies for the discovery of novel protease specificities

Autor: S, Lien, G L, Francis, L D, Graham

Publikováno v: Combinatorial chemistryhigh throughput screening. 2(2)

This article discusses proven and possible ways to generate novel cleavage specificities in serine proteases using combinatorial mutagenesis, compares the different ways of screening or selecting for desirable mutants, and examines the ways in which

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::72e7ebceade6fb0003dc5e83bd907c36
https://pubmed.ncbi.nlm.nih.gov/10420977

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