Resolving Pathways of Functional Coupling in Human Hemoglobin Using Quantitative Low Temperature Isoelectric Focusing of Asymmetric Mutant Hybrids
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"Dance Your Ph.D.:" The results of the 2009 AAAS/Science dance contest are in. Register for the 2009 AAAS Annual Meeting in Chicago, http://www.aaas.org/meetings to take part in performances of four winning entries in the AAAS-Science "Dance Your PhD" competition. This video shows one of the four...
JMDMT #944 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - D. J. Hennessy. 19616. Mineralogical study of the Orgueil Meteorite. Abstract of paper presented at the 42nd Annual Meeting of the Mineralogical Society of America. Program, 1961, Annual Meetings. : 113A-114.\. Nagy, B. W. G. Meinschein D. J....
JMDMT #721 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - has crystallized out in Orgueil, although their elementary components are present. Layer lattice silicates are known to occur under conditions similar to the magnetite environment in figure 4. Nagy et al. : Environment of Orgueil Meteorite Parent...
JMDMT #717 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - and mass spectrometric analyses indicate that hydrocarbons as small as C9 are present in Orgueil. The boiling point of H-nonane is 150° C. at atmospheric pressure. Nagy et al. : Environment of Orgueil Meteorite Parent Body 549 on the...
JMDMT #714 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - products of igneous rocks. The montmorillonite minerals are known to occur both in soils and sediments and in rocks altered by hot hydrothermal solutions. Layer sihcate minerals occur under a rather wide range of temperatures. Magnetite is present...
JMDMT #713 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - chlorite or, less likely, montmorillonite); (2) magnetite; (3) magnesium sulfate; (4) organic matter; and (5) elementary sulfur. The terrestrial occurrence of the minerals (1, 2, 3, 5) must be briefly con- sidered before one attempts to evaluate...
JMDMT #712 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - loss occurred below 300° C. temperature on the thermo- balance curve. The soil sample also lost most of its weight at low temperatures. The Recent sediment was indicative of clay minerals other than chlorites, and also probably other than...
JMDMT #711 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - suggests that the gradual decrease in weight below 600° C. temperature is caused by the volatilization of complex organic matter. The following samples yielded curves which were dissimilar to Orgueil: Recent marine sediment (from the Eastern...
JMDMT #680 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - of meteorites. The parent asteroids went through a low temperature accumulation process, a high temperature melting and evaporation process, a stage of collision with smaller objects and finally a collision of 2 asteroidal sized bodies. These...
JMDMT #675 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - on various experimental grounds. An alternate theory was proposed by Mueller, namely, that carbona- ceous chondrites are fragmental aggregates, and that the organic matter is the result of low temperature condensation from the atmosphere of the...
JMDMT #666 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection - Zahringer, J. 1962. Z. Naturforsch. 17A. In press. AQUEOUS, LOW TEMPERATURE ENVIRONMENT OF THE ORGUEIL METEORITE PARENT BODY Bartholomew Nagy Department of Chemistry, Fordliam University, New York 58, N. Y. Warren G. Meinschein Esso Research and...
JMDMT #662 Microfossils of Cyanobacteria in Carbonaceous Meteorites
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The James M. DuPont Meteorite Collection -Chondrites 533 Garrels, R. M. 1960. Mineral Equilil)ria at Low Temperature and Pressure. Hari)er and Bros. New York. Gerling, E. K. K. G. RiK. 1955. Doklady Akad. Nauk S.S.S.R. 101: 433. GoLES, G. G. E. Anders. 1962. Geochim. et Cosmochim....
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