Results 41 to 50 of about 314,969 (393)

Visible-Light-Driven Sensitization of Naphthalene Triplets Using Quantum-Confined CsPbBr3 Nanocrystals.

open access: yesJournal of Physical Chemistry Letters, 2019
Recent years have seen the revived interests in the triplet states of polycyclic aromatic hydrocarbons (PAHs) due to their potential applications ranging from photon upconversion to photoredox catalysis.
Yaoyao Han   +5 more
semanticscholar   +1 more source

Post-Newtonian evolution of massive black hole triplets in galactic nuclei – II. Survey of the parameter space [PDF]

open access: yes, 2017
Massive black hole binaries (MBHBs) are expected to form at the centre of merging galaxies during the hierarchical assembly of the cosmic structure, and are expected to be the loudest sources of gravitational waves (GWs) in the low frequency domain ...
M. Bonetti   +3 more
semanticscholar   +1 more source

Wavefunction-Based Analysis of Dynamics Versus Yield of Free Triplets in Intramolecular Singlet Fission [PDF]

open access: yes, 2020
Experiments in several intramolecular singlet fission materials have indicated that the triplet-triplet spin biexciton has a much longer lifetime than believed until recently, opening up loss mechanisms that can annihilate the biexciton prior to its dissociation to free triplets.
arxiv   +1 more source

Circulating Concentrations of Key Regulators of Nitric Oxide Production in Undernourished Sheep Carrying Single and Multiple Fetuses

open access: yesAnimals, 2019
The aim of this study was to investigate the blood concentrations of L-arginine, asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), and L-homoarginine, which are regulators of nitric oxide (NO) synthesis, in single, twin, and triplet ...
Fiammetta Berlinguer   +14 more
doaj   +1 more source

Triplet–Triplet Annihilation Upconversion by Polymeric Sensitizers

open access: yesThe Journal of Physical Chemistry C, 2022
Triplet-triplet annihilation up-conversion (TTAUC) is an emerging technology in photonics with significant potential to impact a variety of fields (e.g. solar cells, bioimaging, drug delivery) due to its ability to convert long-wavelength photons to higher photon energies even at low excitation power densities.
Jha, Keshav Kumar   +7 more
openaire   +2 more sources

Distinct contiguous versus separated triplet-pair multiexcitons in an intramolecular singlet fission chromophore [PDF]

open access: yesarXiv, 2023
We show from many-body quantum mechanical calculations that there occur structurally distinct triplet-pair eigenstates in the intramolecular singlet fission (iSF) compound pentacene-tetracene-pentacene. Triplet excitons occupy neigboring pentacene and tetracene monomers in the higher energy doubly degenerate triplet-triplet multiexcitons, and terminal ...
arxiv  

Monozygotic twins and triplets discordant for amyotrophic lateral sclerosis display differential methylation and gene expression

open access: yesScientific Reports, 2019
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterised by the loss of upper and lower motor neurons. ALS exhibits high phenotypic variability including age and site of onset, and disease duration. To uncover epigenetic and
I. Tarr   +13 more
semanticscholar   +1 more source

Magnetic dipolar interaction between correlated triplets created by singlet fission in tetracene crystals [PDF]

open access: yesNature Communications, 2015
Singlet fission can potentially break the Shockley–Queisser efficiency limit in single-junction solar cells by splitting one photoexcited singlet exciton (S1) into two triplets (2T1) in organic semiconductors.
Rui Wang   +5 more
semanticscholar   +1 more source

Case for the genetic code as a triplet of triplets [PDF]

open access: yesProceedings of the National Academy of Sciences, 2017
Significance The genetic code for life is a triplet base code. It is known that adjacent codons can influence translation of a given codon and that codon pair biases occur throughout nature. We show that mRNA translation at a given codon can be affected by the two previous codons.
Kelly T. Hughes, Fabienne F. V. Chevance
openaire   +3 more sources

Polyembryony in maize: histological analysis

open access: yesActa Societatis Botanicorum Poloniae, 2014
The histological analysis enabled to distinguish the main types of polyembryony in maize according to the origin of embryos connected with their localization in caryopses, differences in their structure (presence of common tissues) and type of ...
Oľga Erdelská
doaj   +1 more source

Home - About - Disclaimer - Privacy