English
Related papers

Related papers: Origin of Information Encoding in Nucleic Acids th…

200 papers

A system of two closely spaced atoms interacting through a vacuum electromagnetic field is considered. It is demonstrated that radiative decay in such a system resulting from photon exchange gives rise to a definite amount of information…

Quantum Physics · Physics 2007-05-23 Boris Grishanin , Victor Zadkov

Many mechanisms, functions and structures of life have been unraveled. However, the fundamental driving force that propelled chemical evolution and led to life has remained obscure. The 2nd law of thermodynamics, written as an equation of…

Populations and Evolution · Quantitative Biology 2009-10-15 Arto Annila , Erkki Annila

The origin of the elements is a fascinating question that scientists have been trying to answer for the last seven decades. The formation of light elements in the primordial universe and heavier elements in astrophysical sources occurs…

Solar and Stellar Astrophysics · Physics 2019-01-30 V. Liccardo , M. Malheiro , M. S. Hussein , B. V. Carlson , T. Frederico

Motivation: Its well known the use of electric current in the cleaning of viral diseases in plants instead a deep knowledge of this phenomenas theoretical basis is not yet available. The description of the real causes of nucleoprotein…

Quantitative Methods · Quantitative Biology 2007-05-23 Jose E. Gonzalez , Robersy Sanchez , Aminael Sanchez

We analyze how the photorelaxation dynamics of a molecule can be controlled by modifying its electromagnetic environment using a nanocavity mode. In particular, we consider the photorelaxation of the RNA nucleobase uracil, which is the…

Mesoscale and Nanoscale Physics · Physics 2020-11-12 Simone Felicetti , Jacopo Fregoni , Thomas Schnappinger , Sebastian Reiter , Regina de Vivie-Riedle , Johannes Feist

In green plants, chlorophyll-a and chlorophyll-b are the predominant pigments bound to light-harvesting proteins. While the individual characteristics of these chlorophylls are well understood, the advantages of their coexistence remain…

Data Analysis, Statistics and Probability · Physics 2024-07-17 Eunchul Kim , Daekyung Lee , Souichi Sakamoto , Ju-Yeon Jo , Mauricio Vargas , Akihito Ishizaki , Jun Minagawa , Heetae Kim

Molecular biology explains function of molecules by their geometrical and electronical structures that are mainly determined by utilization of quantum effects in chemistry. However, further quantum effects are not thought to play any…

Quantum Physics · Physics 2011-12-30 Onur Pusuluk , Cemsinan Deliduman

The determination of the injection composition of cosmic ray nuclei within astrophysical sources requires sufficiently accurate descriptions of the source physics and the propagation - apart from controlling astrophysical uncertainties. We…

High Energy Astrophysical Phenomena · Physics 2017-07-19 Denise Boncioli , Anatoli Fedynitch , Walter Winter

Understanding chromatin dynamics across multiple spatiotemporal scales requires models that reconcile biological specificity with physics-based interactions and computational tractability. We present a modular, recognition-enabled…

Biological Physics · Physics 2025-12-04 Hesam Arabzadeh , Dmitri Kireev

The temperature of the cosmic microwave background increases with redshift; at sufficiently high redshift it becomes possible for ultrahigh-energy photons and electrons to produce muons and pions through interactions with background…

Astrophysics · Physics 2009-10-31 Marieke Postma

The emergence of longer information-carrying and functional nucleotide polymers from random short strands was a major stepping stone at the dawn of life. But the formation of those polymers under temperature oscillation required some form…

Biological Physics · Physics 2020-08-19 Patrick W. Kudella , Alexei V. Tkachenko , Sergei Maslov , Dieter Braun

Core-excitation of water ice releases many different molecules and ions in the gas phase. Studying these desorbed species and the underlying mechanisms can provide useful information on the effects of X-ray irradiation in ice. We report a…

Chemical Physics · Physics 2020-10-20 R. Dupuy , G. Féraud , M Bertin , C. Romanzin , L. Philippe , T. Putaud , X. Michaut , R. Cimino , V. Baglin , J. -H. Fillion

Volatile organic molecules formed by photochemistry in the upper atmosphere of Titan can undergo condensation as pure ices in the stratosphere and the troposphere as well as condense as ice layers onto the organic aerosols that are visible…

Earth and Planetary Astrophysics · Physics 2019-04-02 Benjamin Fleury , Murthy S. Gudipati , Isabelle Couturier-Tamburelli , Nathalie Carrasco

Some of the proposed explanations for the origin of ultrahigh-energy cosmic rays invoke new sources of energetic photons (e.g., topological defects, relic particles, etc.). At high red shift, when the cosmic microwave background has a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Alexander Kusenko , Marieke Postma

Information is often encoded as an aperiodic chain of building blocks. Modern digital computers use bits as the building blocks, but in general the choice of building blocks depends on the nature of the information to be encoded. What are…

Quantum Physics · Physics 2007-05-23 Apoorva Patel

Biological samples continuously emit ultra-weak photon emission (UPE, or "biophotons") which stems from electronic excited states generated chemically during oxidative metabolism and stress. Thus, UPE can potentially serve as a method for…

Biological Physics · Physics 2015-06-24 Michal Cifra , Christian Brouder , Michaela Nerudová , Ondřej Kučera

While the main features of atomic nuclei are well described by nuclear mean-field models, there is a large and growing body of evidence which indicates an important additional role played by spatially-correlated nucleon-nucleon structures.…

Nuclear Theory · Physics 2022-10-13 Ranjeet Dalal , I. J. Douglas MacGregor

In fluorescence spectra of nanodiamonds (NDs) synthesized at high pressure from adamantane and other organic compounds, very narrow (~1 nm) lines of unknown origin are observed in a wide spectroscopic range from ~500 to 800 nm. Here, we…

Photosynthetic proteins have evolved over billions of years so as to undergo optimal energy transfer to the sites of charge separation. Based on spectroscopically detected quantum coherences, it has been suggested that this energy transfer…

Chemical Physics · Physics 2016-07-13 David Paleček , Petra Edlund , Sebastian Westenhoff , Donatas Zigmantas

The interaction of ultra-high-energy cosmic rays (UHECRs) with pervasive photon fields generates associated cosmogenic fluxes of neutrinos and photons due to photohadronic and photonuclear processes taking place in the intergalactic medium.…

High Energy Astrophysical Phenomena · Physics 2019-01-07 Rafael Alves Batista , Rogerio M. de Almeida , Bruno Lago , Kumiko Kotera
‹ Prev 1 8 9 10 Next ›