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dc.contributor.authorEdwards, Howell G.M.*
dc.contributor.authorJorge Villar, Susana E.*
dc.contributor.authorPullan, D.*
dc.contributor.authorHargreaves, Michael D.*
dc.contributor.authorHofmann, B.A.*
dc.contributor.authorWestall, F.*
dc.date.accessioned2009-11-30T08:54:44Z
dc.date.available2009-11-30T08:54:44Z
dc.date.issued2007
dc.identifier.citationEdwards HGM, Jorge-Villar SE, Pullan D, Hargreaves MD et al. (2007) Morphological biosignatures from relict fossilised sedimentary geological specimens: a Raman spectroscopic study. Journal of Raman Spectroscopy. 38(10): 1352-1361.en
dc.identifier.urihttp://hdl.handle.net/10454/4005
dc.descriptionNoen
dc.description.abstractMorphological biosignatures (features related to life) and associated terrestrial sedimentary structures that provide possible sampling targets for the remote astrobiological exploration of planets have been analysed using Raman spectroscopic techniques. The spectral data from a suite of samples comprising crypto-chasmoendoliths, preserved microbial filaments and relict sedimentary structures comprise a preliminary database for the establishment of key Raman biosignatures. This will form the basis for the evaluation of prototype miniaturised instrumentation for the proposed ESA ExoMars mission scheduled for 2013. The Raman spectral biosignatures of carotenoids and scytonemin, organic biomolecules characteristic of the cyanobacterial colonisation of geological matrices and biogeologically modified minerals are also identifiable in the sedimentary specimen materials. The results of this study demonstrate the basis of the molecular recognition of extinct and extant exobiology that will feed into the elemental structural analyses of morphological structures provided by associated SEM, XRD and laser-induced breakdown spectroscopy (LIBS) techniques on robotic analytical landers.en
dc.language.isoenen
dc.relation.isreferencedbyhttp://dx.doi.org/10.1002/jrs.1775en
dc.subjectMars analoguesen
dc.subject; Raman spectroscopyen
dc.subject; Spectral biosignaturesen
dc.subject; Biogeological modificationen
dc.subject; ExoMars instrumentationen
dc.titleMorphological biosignatures from relict fossilised sedimentary geological specimens: a Raman spectroscopic studyen
dc.status.refereedYesen
dc.typeArticleen
dc.type.versionNo full-text available in the repositoryen


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