ArticleScientific reports2017
Combining Catalytic Microparticles with Droplets Formed by Phase Coexistence: Adsorption and Activity of Natural Clays at the Aqueous/Aqueous Interface.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 50 citations in OpenAlex.
- Effect of clay-zwitterionic interactions in controlling the viscoelastic properties in organomodified clays.iScience · 2023Article
- Biomolecular condensates - extant relics or evolving microcompartments?Communications biology · 2023Review
- Recent progress in primitive polyester synthesis and membraneless microdroplet assembly.Biophysics and physicobiology · 2023Article
- DNA and the origins of life in micaceous clay.Biophysical journal · 2022Article
- A Physicochemical Consideration of Prebiotic Microenvironments for Self-Assembly and Prebiotic Chemistry.Life (Basel, Switzerland) · 2022Review
- Potassium at the Origins of Life: Did Biology Emerge from Biotite in Micaceous Clay?Life (Basel, Switzerland) · 2022Article
- Sequencing the origins of life.BBA advances · 2022Review
- Primitive Compartmentalization for the Sustainable Replication of Genetic Molecules.Life (Basel, Switzerland) · 2021Review
- Origin of Species before Origin of Life: The Role of Speciation in Chemical Evolution.Life (Basel, Switzerland) · 2021Review
- Connecting primitive phase separation to biotechnology, synthetic biology, and engineering.Journal of biosciences · 2021Review
- Prebiological Membranes and Their Role in the Emergence of Early Cellular Life.The Journal of membrane biology · 2020Review
- Pickering Emulsions of Fluorinated TiOLangmuir : the ACS journal of surfaces and colloids · 2020Article
- Biological phase separation: cell biology meets biophysics.Biophysical reviews · 2020Review
- Cascade Kinetics in an Enzyme-Loaded Aqueous Two-Phase System.Langmuir : the ACS journal of surfaces and colloids · 2020Article
- Polyesters as a Model System for Building Primitive Biologies from Non-Biological Prebiotic Chemistry.Life (Basel, Switzerland) · 2020Article
- Membraneless polyester microdroplets as primordial compartments at the origins of life.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Liquid-liquid phase separation in artificial cells.Interface focus · 2018Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Natural clay particles have been hypothesized as catalysts on the early Earth, potentially facilitating the formation of early organic (bio) molecules. Association of clay particles with droplets formed by liquid-liquid phase separation could provide a physical mechanism for compartmentalization of inorganic catalysts in primitive protocells. Here we explore the distribution of natural clay mineral particles in poly(ethylene glycol) (PEG)/dextran (Dx) aqueous two-phase systems (ATPS). We compared the three main types of natural clay: kaolinite, montmorillonite and illite, all of which are aluminosilicates of similar composition and surface charge. The three clay types differ in particle size, crystal structure, and their accumulation at the ATPS interface and ability to stabilize droplets against coalescence. Illite and kaolinite accumulated at the aqueous/aqueous interface, stabilizing droplets against coalescence but not preventing their eventual sedimentation due to the mass of adsorbed particles. The ability of each clay-containing ATPS to catalyze reaction of o-phenylenediamine with peroxide to form 2,3-diaminophenazone was evaluated. We observed modest rate increases for this reaction in the presence of clay-containing ATPS over clay in buffer alone, with illite outperforming the other clays. These findings are encouraging because they support the potential of combining catalytic mineral particles with aqueous microcompartments to form primitive microreactors.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.