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Astrobiology, ISSN 1531-1074, 8/2017, Volume 17, Issue 8, pp. 761 - 770
Nucleobases are the informational subunits of RNA and DNA and are essential to all known forms of life. The nucleobases can be divided into two groups of... 
Pyrimidine — Nucleobases — Interstellar | Ices — Molecular processes — Prebiotic chemistry | Ices — Cometary
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2011, Volume 525, Issue 13, p. A30
Context. The study of the chemical reactivity in interstellar ices in astrophysical environments is an important tool for understanding the origin of the... 
ISM: molecules | methods: laboratory | astrochemistry | ULTRAVIOLET PHOTOLYSIS | GLYCINE | ACETAMIDE | ACID PRECURSOR FORMATION | ION | MOLECULES | INFRARED-SPECTRUM | ASTRONOMY & ASTROPHYSICS | HYDROGEN-CYANIDE | RADIO-EMISSION | METHYL CYANIDE | Analogs | Ammonia | Interstellar | Simulation | Acetonitrile | Irradiation | Nitriles | Solar system | Analytical chemistry | Chemical Sciences
Journal Article
The Journal of Physical Chemistry A, ISSN 1089-5639, 02/2014, Volume 118, Issue 7, pp. 1220 - 1227
Fourier transform-infrared spectroscopy (FT-IR) and temperature programmed desorption (TPD) have been used to examine the thermal processing of three isotopes... 
INFRARED-SPECTRUM | EVOLUTION | AB-INITIO | INTERSTELLAR | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | SURFACE | CHEMISTRY | CHEMISTRY, PHYSICAL | SPITZER SPECTROSCOPIC SURVEY | VIBRATIONAL-SPECTRA | ADSORPTION | YOUNG STELLAR OBJECTS | Thermal properties | Chemical properties | Research | Silicates | Formamidine pesticides | Spectroscopy | Compacting | Diffusion rate | Phases | Grains | Analogue | Dimerization | Silicon dioxide
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 08/2005, Volume 11, Issue 17, pp. 4895 - 4900
Biological cofactors include functionalized derivatives of cyclic tetrapyrrole structures that incorporate different metal ions. They build up structural... 
stellar dust | cofactors | photochemistry | tetrapyrroles | chemical evolution | Chemical evolution | Stellar dust | Tetrapyrroles | Cofactors | Photochemistry | COMET HALLEY | HEXAMETHYLENETETRAMINE | INTERSTELLAR DUST | CHEMISTRY, MULTIDISCIPLINARY | AMINO-ACIDS | GAS | NH3 | PHOTOLYSIS | Ice | Ultraviolet Rays | Chromatography, Gas
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2014, Volume 441, Issue 4, pp. 3209 - 3225
Journal Article
Icarus, ISSN 0019-1035, 2004, Volume 170, Issue 1, pp. 202 - 213
Hydrogen cyanide (HCN) has been identified in the gas phase of the interstellar medium as well as in the comae of several comets. Terrestrially, HCN is a key... 
Comets | Spectroscopy | Radiation chemistry | Ices | composition | Photochemistry | Comers, composition | Lees | AQUEOUS-SOLUTIONS | BOMBARDMENT | O1 HALE-BOPP | BAND | YOUNG STELLAR OBJECTS | INTERSTELLAR ICES | HCN | INFRARED-SPECTRUM | photochemistry | spectroscopy | radiation chemistry | ASTRONOMY & ASTROPHYSICS | ices | UV PHOTOLYSIS | comets | Research
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 03/2017, Volume 599, p. A132
Journal Article
Physical chemistry chemical physics : PCCP, ISSN 1463-9076, 11/2015, Volume 17, Issue 41, pp. 27473 - 27480
The incidence of high-energy radiation onto icy surfaces constitutes an important route for leading new neutral or ionized molecular species back to the gas... 
Journal Article
Physical Chemistry Chemical Physics, ISSN 1463-9076, 2015, Volume 17, Issue 41, pp. 27473 - 27480
The incidence of high-energy radiation onto icy surfaces constitutes an important route for leading new neutral or ionized molecular species back to the gas... 
CONDENSED ACETONITRILE | GRAIN CHEMISTRY | POSITIVE-IONS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | INTERSTELLAR-MEDIUM | MOLECULE CHEMISTRY | METHYL CYANIDE | MASSIVE PROTOSTARS | SAGITTARIUS B2(N) | WATER | SURFACES
Journal Article
The Astrophysical Journal Letters, ISSN 2041-8205, 02/2012, Volume 746, Issue 1, pp. L1 - 5
Journal Article