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Exogenous delivery of organics

Exogenous delivery of organics Cometary impact and the origin of the oceans loading the full cometary molecular inventory onto the prebiotic Earth... [Pg.256]

The importance of exogenous delivery of organic matter to the early Earth is critically dependent on the survivability of organic compounds during the delivery process. It is presently unclear exactly how much organic material would escape destruction during asteroid, comet and interplanetary dust particle infall to the Earth s surface. [Pg.284]

Matrajt G, Pizzarello S, Taylor S, Brownlee D. Concentration and variability of the AIB amino acid in polar micrometeorites Implications for the exogenous delivery of amino acids to the primitive Earth. Meteorit. Planet. Sci. 2006 128 7412-7413. Busemann H, Young, AE, Alexander, CMO D, Hoppe, P, Mukhopadhyay, S, Nitter, LR. Interstellar chemistry recorded in organic matter from primitive meteorites. Science 2006 312 727-730. [Pg.1379]

Chyba, C. F. and Sagan, C. (1992). Endogenous production, exogenous delivery and impact-shock synthesis of organic molelcules an inventory for the origin of life. Nature, 355, 125-32. [Pg.275]

Live Attenuated Organisms. Live attenuated bacteria and viruses have been used not only as vaccines but also as a delivery system that elicits humoral, mucosal, and cellular immune responses against exogenous antigens. Since the success with live attenuated oral vaccines against tuberculosis and polio more than 3 decades ago, a number of live attenuated microorganisms have been used as antigen-delivery systems. Live vaccines are relatively easy and cheap to manufacture, because they do not require purification of... [Pg.3919]

See other pages where Exogenous delivery of organics is mentioned: [Pg.245]    [Pg.245]    [Pg.25]    [Pg.284]    [Pg.245]    [Pg.245]    [Pg.25]    [Pg.284]    [Pg.248]    [Pg.8]    [Pg.449]    [Pg.162]    [Pg.246]    [Pg.251]    [Pg.140]    [Pg.268]    [Pg.7]    [Pg.251]    [Pg.162]    [Pg.233]    [Pg.291]    [Pg.999]    [Pg.240]    [Pg.50]    [Pg.546]    [Pg.102]    [Pg.262]    [Pg.604]    [Pg.12]    [Pg.157]    [Pg.478]    [Pg.288]    [Pg.339]    [Pg.3455]    [Pg.12]    [Pg.264]   
See also in sourсe #XX -- [ Pg.256 ]



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