Structural Determination Of Titan Aerosol Laboratory Simulants

Biology

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Scientific paper

Using 1H, 13C and 15N multidimensional NMR we have investigated laboratory plasma tholins and EUV generated photochemical solids for common structural motifs. These common structures largely determine the potential chemistry of these materials. As stimulants for Titan organic haze aerosols, these studies yield valuable information regarding the complex organic solids which reside on Titan's surface and potentially reacted with periodic liquid phase aqueous materials. Such information is necessary for intelligent design of future surface mission analytical instrumentation and also provides insights into the prebiotic potential on Titan. The results will be discussed in the context of our earlier work regarding the production of haze aerosols under ionospheric simulations at the Advanced Light Source as well as hydrolytic kinetic studies of laboratory tholins. This work was supported by NASA Exobiology award #NNX08AO13G and NASA Astrobiology Initiative through JPL subcontract 1372177 to the University of Arizona.

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