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Green synthesis of Agaricus avensis-mediated silver nanoparticles for improved catalytic efficiency of tyrosine hydroxylase towards potential biomedical implications
The present study deals with the bio-fabrication of AgA-AgNPs utilizing edible mushroom Agaricus arvensis as a reductant for improved stability and...
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New records of two jellyfish species Rhizostoma luteum (Quoy and Gaimard 1827) and Cotylorhiza tuberculata (Macri 1778) in the Moroccan northwest Mediterranean coast
During monitoring visits to the beaches of Fnideq, M'Diq, Cabo-Negro, and Martil, two jellyfish species along the Moroccan Northwest Mediterranean...
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Lotus spp.: a Mediterranean genus with high environment and economic impact in the Salado River Basin (Argentina)
This review has the principal objective in to hypothesise that the introduction of Lotus species could have significant benefits in constrained soils...
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Sequential gentle hydration increases encapsulation in model protocells
Small, spherical vesicles are a widely used chassis for the formation of model protocells and investigating the beginning of compartmentalized...
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2500 years ago scientific theories of the origin of life arose in ancient Greece
What have the Greeks ever done for us? Everything. This short commentary celebrating the earliest history of origin of life research seeks to bring...
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Decorated Vesicles as Prebiont Systems (a Hypothesis)
Decorated vesicles in deep, seafloor basalts form abiotically, but show at least four life-analogous features, which makes them a candidate for...
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Enhancement of Prebiotic Peptide Formation in Cyclic Environments
The dynamic behaviors of prebiotic reaction networks may be critically important to understanding how larger biopolymers could emerge, despite being...
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Sequential Amplification of Amino Acid Enantiomeric Excess by Conglomerate and Racemic Compound: Plausible Prebiotic Route Towards Homochirality
Some amino acids can crystallize from aqueous solution both as conglomerates and racemic compounds: under high supersaturation following rapid...
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Did Salts in Seawater Play an Important Role in the Adsorption of Molecules on Minerals in the Prebiotic Earth? The Case of the Adsorption of Thiocyanate onto Forsterite-91
Thiocyanate may have played as important a role as cyanide in the synthesis of several molecules. However, its concentration in the seas of the...
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Parity Violation Energy Difference Calculation of Atropisomers
Enantiomers have a different energy due to the parity violation effects. Up to now, these effects are difficult to calculate and their final effect...
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Magnetic Circular Dichroism in Archean Stratospheric Oxygen: Enantiomeric Excess of Amino Acids Produced in Volcanic Plumes
While there is consensus that Archean atmosphere was anoxic with O 2 pressure, p (O 2 ) <10 -6 PAL (present atmospheric level) at sea-level, evidence...
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The Possible Role of Anoxic Alkaline High Subcritical Water in the Formation of Ferric Minerals, Methane and Disordered Graphitic Carbon in a BARB3 Drilled Sample of the 3.4 Ga Buck Reef Chert
The present article reports Raman spectroscopic observations of siderite, hematite, disordered graphitic carbon and possibly greenalite inside the...
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Nonenzymatic Template-Directed Primer Extension Using 2′-3′ Cyclic Nucleotides Under Wet-Dry Cycles
RNA World Hypothesis is centred around the idea of a period in the early history of life’s origin, wherein nonenzymatic oligomerization and...
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Behaviour and the Origin of Organisms
It is common in origins of life research to view the first stages of life as the passive result of particular environmental conditions. This paper...
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Glycine to Oligoglycine via Sequential Trimetaphosphate Activation Steps in Drying Environments
Polyphosphate-mediated peptide bond formation is central to protein synthesis in modern organisms, but a simpler form of activation likely preceded...
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Thymine Adsorption onto Cation Exchanged Montmorillonite Clay: Role of Biogenic Divalent Metal Cations in Prebiotic Processes of Chemical Evolution
The adsorption of thymine, a key pyrimidine base of deoxyribonucleic acid (DNA) on montmorillonite clay (Mnt) exchanged with metal ions (Mnt—M 2+ , M 2+ ...
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Mathematical Models of Chiral Symmetry-breaking – A Review of General Theories, and Adiabatic Approximations of the APED System
We review the literature surrounding chiral symmetry-breaking in chemical systems, with a focus on understanding the mathematical models underlying...
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Evolutionary Approach to Biological Homochirality
We study a very simple linear evolutionary model based on distribution of protocells by total enantiomeric excess and without any mutual inhibition...
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Evaluating Mineral Lattices as Evolutionary Proxies for Metalloprotein Evolution
Protein coordinated iron-sulfur clusters drive electron flow within metabolic pathways for organisms throughout the tree of life. It is not known how...
