Results 171 to 180 of about 1,043,960 (288)

Differential stability and dynamics of DNA-based and RNA-based coacervates affect non-enzymatic RNA chemistry

Nature Communications
The RNA-peptide world hypothesis postulates the early co-evolution of RNA and peptides that led to the emergence of non-enzymatic RNA replication and peptide synthesis.
Karina K. Nakashima, Fatma Zohra Mihoubi, Jagandeep S. Saraya, Kieran O. Russell, Fidan Rahmatova, James D. Robinson, Maria Julia Maristany, Jan Huertas, Roger Rubio-Sánchez, Rosana Collepardo-Guevara, Derek K. O’Flaherty, Claudia Bonfio   +11 more
doaj   +1 more source

Prebiotic aqueous reactions catalyzed by native nickel without hydrogen

The FEBS Journal, EarlyView.
Serpentinizing (H2‐producing) hydrothermal vents are candidate environments for metabolic origin. They generate highly reducing conditions that convert CO2 to formate and methane in abiotic reactions resembling reactions of the acetyl‐CoA pathway of CO2 fixation. They also contain natural catalysts. Native nickel (Ni0), like Fe0, Co0, and their alloys,
Carolina Garcia Garcia, Max Brabender, William F. Martin   +2 more
wiley   +1 more source

Exploring the microbiota–skin–brain axis: Chicory extract biotransformed into a postbiotic neurocosmetic enhancer of social and sensory experience

International Journal of Cosmetic Science, EarlyView.
Application of CHICORY EXTRACT by a consumer has the ability to evoke positive emotional responses in individuals who come into tactile contact with the treated skin. Abstract Objective Measuring the influence of cosmetic ingredients on the microbiota‐skin‐brain axis is a difficult challenge.
Stefan Hettwer, Emina Besic Gyenge, Loya Schoeffel, Brigit Suter, Barbara Obermayer   +4 more
wiley   +1 more source

Simple Ion-Gas Mixtures as a Source of Key Molecules Relevant to Prebiotic Chemistry. [PDF]

Molecules, 2021
Paula S, Goulding LS, Robertson KN, Clyburne JAC.   +3 more
europepmc   +1 more source

A review of skin microbiome and new challenges to cosmetic microbiome‐friendly formulations

International Journal of Cosmetic Science, EarlyView.
Microbiome‐friendly concepts offer new perspectives for a healthy relationship between cosmetic use and the skin microbiome, especially the interaction of non‐biotic cosmetic ingredients with the skin, requiring further studies to clarify the dynamics between the skin microbiome and different classes of cosmetic ingredients.
Yasmin Rosa Santos, Newton Andréo‐Filho, Patricia Santos Lopes, Vânia Rodrigues Leite‐Silva   +3 more
wiley   +1 more source

Prebiotic Chemistry of Phosphite: Mild Thermal Routes to Form Condensed-P Energy Currency Molecules Leading Up to the Formation of Organophosphorus Compounds. [PDF]

Life (Basel), 2023
Gull M, Feng T, Cruz HA, Krishnamurthy R, Pasek MA.   +4 more
europepmc   +1 more source

Compound-specific Carbon Isotope Compositions of Aldehydes and Ketones in the Murchison Meteorite [PDF]

Compoundspecific carbon isotope analysis (13C) of meteoritic organic compounds can be used to elucidate the abiotic chemical reactions involved in their synthesis.
Aponte, Jose C., Cook, Jamie E., Elsila, Jamie E., Herd, Christopher D. K., Hilts, Robert W., Simkus, Danielle N.   +5 more
core   +1 more source

Erosion Potential of Commercial Fluoride‐Free Mouthwashes on Dental Hard Tissues

International Journal of Dental Hygiene, EarlyView.
ABSTRACT Purpose Mouthwashes often present acidic pH, which raises concerns about their potential contribution to erosive tooth wear. This study evaluated the erosive potential of commercial fluoride‐free mouthwashes using a screening method.
Astrid C. Valdivia‐Tapia, Adam B. Kelly, Anderson T. Hara, Jaime Aparecido Cury, Antonio Pedro Ricomini‐Filho, Frank Lippert   +5 more
wiley   +1 more source

Fish welfare in a changing world: New developments and current challenges

Journal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas, João L. Saraiva, Eliane Gonçalves‐de‐Freitas, Pablo Arechavala‐Lopez, Bernice Bovenkerk, Michael Breen, Steven J. Cooke, Martin Føre, Lene Northwood, Lars Helge Stien, Sunil Kadri, Chris Noble, Jonatan Nilsson, Fernando Rodriguez, Cosme Salas, Peter Sandøe, Hans van de Vis   +16 more
wiley   +1 more source

Exploring the Influence of Intermolecular Interactions in Prebiotic Chemistry Using Laser Spectroscopy and Calculations. [PDF]

Chemistry, 2022
Camiruaga A, Usabiaga I, Calabrese C, Lamas I, Basterretxea FJ, Fernández JA.   +5 more
europepmc   +1 more source