Shock processing of amorphous carbon nanodust

A Roy, SV Singh, M Ambresh, D Sahu, JK Meka… - Advances in Space …, 2022 - Elsevier
Our understanding on the role of amorphous carbon in the interstellar medium to form
complex structures, such as carbon nanotube/graphene/fullerene, is limited to date. We …

[PDF][PDF] Forms resembling sponges or corals at Gale crater, Mars: Evidence of fossilised life or mineralogy

RA Armstrong - Journal of Astrobiology, 2022 - researchgate.net
Forms resembling sponges or coral were photographed in Gale crater, Mars by the Curiosity
rover 'Mars Hand Lens Imager'(MAHLI) on sol 3396 that may represent the result of either …

Shock-induced transformation of non-magnetic to magnetic ISM dust analogue

A Roy, SV Singh, JK Meka… - Monthly Notices of …, 2022 - academic.oup.com
The fate of organometallic dust subjected to extreme conditions, especially the shock fronts,
in the interstellar medium (ISM) has not been explored to date. Iron and cyclopentadiene …

Extraterrestrial Impacts Creating Architectures for Life

SV Singh, V Jayaram, JK Meka… - Journal of the Indian …, 2023 - Springer
Prebiotic chemical evolution that led to the emergence of life on primitive Earth is interlinked
with the delivery of organic material through the impact of comets, asteroids and meteorites …

Experimental evidence on the sustainability of crystallographic and chiral symmetry of L-alanine under dynamic shocked conditions

S Aswathappa, L Dai, SJD Sathiyadhas… - Journal of Molecular …, 2024 - Elsevier
Over the years, crystallographic phase transitions of the polar and non-polar amino acids
under static high-pressure-temperature conditions have been well documented, especially …

[HTML][HTML] Advancement of the TI concept: Defining the origin-of-life stages based on the succession of a bacterial cell exit from anabiosis

V Kompanichenko, G El-Registan - AIMS Geosciences, 2022 - aimspress.com
Now there is a huge variety of scenarios of prebiotic chemical evolution, culminating in the
emergence of life on Earth, which demonstrates the obvious insufficiency of existing criteria …

New signatures of bio-molecular complexity in the hypervelocity impact ejecta of icy moon analogues

SV Singh, H Dilip, JK Meka, V Thiruvenkatam… - Life, 2022 - mdpi.com
Impact delivery of prebiotic compounds to the early Earth from an impacting comet is
considered to be one of the possible ways by which prebiotic molecules arrived on the …

Impact of shock waves on morphological, structural, optical and dielectric properties of l-alaninium maleate crystals

M Deepa, S Sahaya Jude Dhas… - Journal of Materials …, 2023 - Springer
Single crystals of l-alaninium maleate (LAM) were successfully grown by utilizing the
Sankaranarayanan–Ramasamy (SR) method. The cut and polished crystal of LAM was …

Rapid enhancement of optical transparency on glycine phosphite crystals by shock waves

D Muniraj, SJD Sathiyadhas, U Subbiah… - Optical …, 2023 - spiedigitallibrary.org
Glycine phosphite single crystals were grown by employing the slow evaporation solution
growth technique. Grown crystals were subjected to shock waves generated by a pressure …

Acoustic shock wave-induced dynamic recrystallization of amino acids: a case study on l-serine

S Aswathappa, L Dai, SSJ Dhas, RS Kumar - CrystEngComm, 2024 - pubs.rsc.org
Amino acids are among the earliest organic molecules to exist on Earth, and the origin of
such bio-molecules on Earth is still a topic of intense discussion in the associated scientific …