Chiratlité-C prébiotique

Par mekali le 8 Septembre 2012 à 21:56

J'ai publié cet article dans wikiversité en français et en anglais.

Il a été soumis et accepté au COSPAR 2012 (Scientific Assembly Database > COSPAR-12 > Scientific Commission/Panel F > Scientific Event F3.2).

Rappel des sujets et intervenants:

***************************************** COMMITTEE ON SPACE RESEARCH ***************************************************

COSPAR-12-F3.2: Prebiotic Chemistry and the Origin of Life:

Scientific Event Main Scientific Organizer (MSO) and Scientific Event Deputy Organizer (DO)
Main Scientific Organizer	Andrew Pohorille NASA Ames Research Center MS 239-4 CA 94035 Moffett Field United States Tel: 1-650-604-5759 Fax: 1-650-604-1088 E-Mail: andrew.pohorille@nasa.gov
Deputy Organizer	David Summers SETI Institute/NASA Ames Res. Center NASA Ames Research Center Mail Stop 239-4, Bldg 239, Room 365 9035 Moffett Field United States Tel: 650-326-6274 Fax: 650-604-6206 E-Mail: david.p.summers@nasa.gov

ORAL PRESENTATIONS:

Chair: Andrew Pohorille
1	Synthesis of prebiotic molecules and origin of life	Sandip Kumar Chakrabarti	ACCEPTED	10:00-10:30 30 min	no
2	A quantum chemical approach to set a guideline for the observation of different pre-biotic molecules in the interstellar space	Liton Majumdar	ACCEPTED	10:30-10:50 20 min	no
3	Formation and chiroptical properties of amino acids in interstellar ice analogues	Chaitanya Giri	ACCEPTED	10:50-11:10 20 min	no
4	Co-conspirators: Space, Molecules and Life	Sohan Jheeta	ACCEPTED	11:10-11:30 20 min	no

Chair: Kensei Kobayashi
5	Catalytic role of Manganese oxides in prebiotic Nucleobases synthesis from Formamide	Brij Bhushan	ACCEPTED	12:00-12:20 20 min	no
6	Abiogenic synthesis of biologically important compounds in open space condition	Michael B. Simakov	ACCEPTED	12:20-12:40 20 min	no
7	Mechanism for the abiotic synthesis of uracil via UV-induced oxidation of pyrimidine in pure H2O ices under astrophysical conditions	Partha Pratim Bera	ACCEPTED	12:40-13:00 20 min	no	STW-B-125
8	Organic Ice of Comets	Irakli Simonia	ACCEPTED	13:00-13:20 20 min	no

Chair: Marie-Christine Maurel
9	Formation of Organic Aggregates in Simulated Submarine Hydrothermal Environments from Complex Organic Compounds Synthesized from Carbon Monoxide, Nitrogen and Water	Kensei Kobayashi	ACCEPTED	14:30-15:00 30 min	no
10	Microenvironments and chemical diversity on primordial volcanic islands	Henry Strasdeit	ACCEPTED	15:00-15:20 20 min	no
11	Piton de la fournaise as a model of island volcanoes on young earth-like planets	Stefan Fox	ACCEPTED	15:20-15:40 20 min	no
12	Organic matter in the Titan lakes, and comparison with primitive Earth	Bishun Khare	ACCEPTED	15:40-16:00 20 min	no

Chair: Sandip Kumar Chakrabarti
13	Looking for life everywhere: Connecting Origin of Life Chemistry with Biology	Marie-Christine Maurel	ACCEPTED	17:30-18:00 30 min	no
14	Crystallization and sublimation of non-racemic mixtures of natural amino acids: a path towards homochirality	Arkadii V. Tarasevych	ACCEPTED	18:00-18:20 20 min	no
15	Search for reaction conditions and catalyst for selective prebiotic formation of Aldopentoses from Glycolaldehyde and Formaldehyde	Irina Delidovich	ACCEPTED	18:20-18:40 20 min	no
16	Progress in Demonstrating Homochiral selection in Prebiotic RNA Synthesis	Prakash Joshi	ACCEPTED	18:40-19:00 20 min	no

Chair: Sohan Jheeta
17	The Origins of Transmembrane Ion Channels	Andrew Pohorille	ACCEPTED	10:00-10:30 30 min	no
18	STAY ALIVE: LESSONS FROM THE QUASISPECIES POPULATION STRUCTURE	Carolina Diaz	ACCEPTED	10:30-10:50 20 min	no
19	Planetary life: why and how?	Andy Pratt	ACCEPTED	10:50-11:10 20 min	no
20	Experimental investigation of anaerobic nitrogen fixation rates with varying pressure, temperature and metal concentration with application to the atmospheric evolution of early Earth and Mars.	Prateek Gupta	ACCEPTED	11:10-11:30 20 min	no

Chair: Henry Strasdeit
21	Experimental verifications of the inversion approach to the origin of life	Vladimir Kompanichenko	ACCEPTED	12:00-12:20 20 min	no
22	Genetic coding and gene expression – new Quadruplet genetic coding model	Rama Shankar Singh	ACCEPTED	12:20-12:40 20 min	no
23	Origins of life:Emergence of life on early earth	Brij Tewari	ACCEPTED	12:40-13:00 20 min	no
24	DEFINITIONS OF LIFE AND EXPECTED CONDITIONS OF LIFE ORIGIN	Sergey Bartsev	ACCEPTED	13:00-13:20 20 min	no

POSTER PRESENTATIONS

25	Oligomerization of Glycine and Alanine Catalyzed by Iron Oxides: Implications to Prebiotic Chemistry	Uma Shanker	ACCEPTED	Poster	no	STW-B-116
26	Photo-alteration of Hydantoins against UV Light and Its Relevance to Origins of Life	Palash Kumar Sarker	ACCEPTED	Poster	no	STW-B-124
27	Nitrogen fixation by lightning in a methane-rich early atmosphere	Karina F. Navarro	ACCEPTED	Poster	no	STW-B-120
28	Prebiotic chirality	Abdelali Mekki-berrada	ACCEPTED	Poster	no	STW-B-121
29	ABIOTIC FORMATION OF METHANE?	Ewa Maria Kornacka	ACCEPTED	Poster	no
30	The possibility of synthesizing primitive membranes on Titan environment and compared with Earth	Jun Kawai	ACCEPTED	Poster	no	STW-B-118
31	Self-assembled monolayers (SAMs) formation at the air-water interfaces by the amphiphilic like organic molecules present in the Titan tholin	Seema Jagota	ACCEPTED	Poster	no	STW-B-117
32	Formation of signal molecules by microwaved amino acids	Bettina Heinz	ACCEPTED	Poster	no	STW-B-123
33	Theoretical quantum chemical study of protonated-deuterated PAHs: interstellar implications	Mridusmita Buragohain	ACCEPTED	Poster	no	STW-B-122
34	*WITHDRAWN PAPER: Influence of mineral surfaces in the development and stabilization of organic molecules in prebiotic conditions*	Ellen Yvette Aguilar-Ovando	WITHDRAWN	Poster	no
35	*WITHDRAWN PAPER: Catalytic Role of Metaloctacyanomolybdate(IV) in Prebiotic Synthesis of Nucleobases from Formamide*	K Kamaluddin	WITHDRAWN	Poster	no