Aggregation behaviors of alkyl α-keto acids in water

Xu, Huifang; Wang, Sijia; Li, Yuanyuan; Liang, Xin; He, Hairong; Du, Na; Hou, Wanguo

doi:10.1016/j.molliq.2023.123700

Cited by 2 publications

(1 citation statement)

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“…Through the compositional analysis of meteorite extracts [ 14 , 15 ] and experiments simulating primordial Earth environmental conditions [ 10 , 11 ], researchers have identified a range of organic molecules pertinent to early Earth conditions: (1) lipid-like compounds capable of forming protocell structures, consisting of simple single-chained amphiphilic molecules (SCAs) such as fatty acids, alkyl keto acids and monoalkyl phosphates [ 16 , 17 , 18 , 19 , 20 , 21 , 22 ]; (2) organic small molecules (OSMs) containing L-amino acids, purines, pyrimidines, D-ribose and isoprenoid derivatives, etc. [ 23 , 24 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

A Fusion–Growth Protocell Model Based on Vesicle Interactions with Pyrite Particles

Guo,

Zhang,

Sun

et al. 2024

Molecules

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Protocell models play a pivotal role in the exploration of the origin of life. Vesicles are one type of protocell model that have attracted much attention. Simple single-chain amphiphiles (SACs) and organic small molecules (OSMs) possess primitive relevance and were most likely the building blocks of protocells on the early Earth. OSM@SAC vesicles have been considered to be plausible protocell models. Pyrite (FeS2), a mineral with primitive relevance, is ubiquitous in nature and plays a crucial role in the exploration of the origin of life in the mineral–water interface scenario. “How do protocell models based on OSM@SAC vesicles interact with a mineral–water interface scenario that simulates a primitive Earth environment” remains an unresolved question. Hence, we select primitive relevant sodium monododecyl phosphate (SDP), isopentenol (IPN) and pyrite (FeS2) mineral particles to build a protocell model. The model investigates the basic physical and chemical properties of FeS2 particles and reveals the effects of the size, content and duration of interaction of FeS2 particles on IPN@SDP vesicles. This deepens the understanding of protocell growth mechanisms in scenarios of mineral–water interfaces in primitive Earth environments and provides new information for the exploration of the origin of life.

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