• Excited-state proton transfer reactions are one of the most important classes of photochemical reactions, relevant to energy transfer, photosynthesis and many other important chemical and biological processes. (uh.edu)
  • Only this time, the article focuses on proton and electron transfer reactions in the photoexcited states of DNA base pairs. (uh.edu)
  • Proton and electron transfer reactions provide a channel for molecules in the excited-state to relieve antiaromaticity, and this underlies the photostability of DNA base pairs. (uh.edu)
  • Visible light sensitization is an attractive means to initiate organic reactions due to the lack of visible light absorbance by organic compounds thereby reducing the side reactions that are often associated with photochemical reactions conducted with high energy UV light. (umich.edu)
  • Such research aims to study how the UV energy is redistributed among the DNA bases (adenine, thymine, guanine, cytosine), altering their electronic structure, to determine configurations that are favourable to the specific reactions. (rsc.org)
  • Although ESPT research in aqueous solutions is predominant, alcoholic solvent-mediated ESPT studies are also significant in terms of photoacid-based reactions. (figshare.com)
  • On the atomic scale level, we can describe these photo-chemical reactions, through a multitude of elementary processes occurring on the ultrafast time scale (from sub femtosecond to picosecond) where the initial energy/light harvesting process is followed by energy conversion and transport processes. (lu.se)
  • In this talk several examples of photochemical reactions in zeolites with chiral final products would be provided. (miami.edu)
  • Photochemical creation of excited states offers a means to control chemical transformations because different wavelengths of light create different vibronic states, thereby directing chemical reactions along different pathways. (umn.edu)
  • We will integrate accurate and scalable quantum chemistry methods with state-of-the-art dynamics codes to study the dynamics of chemical reactions. (umn.edu)
  • It has become more common to apply light-initiated reactions during the development of new molecules in our drug research programs. (photonics.com)
  • Research Interests and Track Record Research interests cover areas of photochemistry, fast chemical reactions, and nucleic acids Current research projects falls into the following main areas (A) The transient spectroscopy of nucleic acids and photosensitisers. (tcd.ie)
  • B) The use of photochemical reagents to carry out site-specific reactions on DNA, in particular those involving photo-induced electron transfer. (tcd.ie)
  • The majority of these processes are ultrafast and provide a rapid and efficient way to dissipate the electronic energy into vibration, thus avoiding photochemical reactions. (cea.fr)
  • In Type I, light energy passes from excited molecules to biomolecules through electron/hydrogen transfer (radical mechanism) in direct-contact reactions [Figure 1] and culminates in specific damage to biomolecules and in the initiation of radical chain reactions. (oaepublish.com)
  • During his PhD, he worked on developing theoretical tools to better understand photochemical reactions, that is, chemical reactions triggered by light. (univ-nantes.fr)
  • The photochemistry is dominated by metalcentered sp (s2) and ligand to metal charge transfer (s°) excited states which are capable of inducing inter- and intramolecular redox reactions. (uni-regensburg.de)
  • This crucial topic is a mechanism that plays a significant role in numerous chemical reactions and processes. (hellovaia.com)
  • Further, gain insights into its critical role in influencing chemical processes and reactions: an attribute that elevates its significance in the field of organic chemistry. (hellovaia.com)
  • This is achieved by stopping photochemistry, which allows researchers to measure fluorescence in the presence of non-photochemical quenching alone. (wikipedia.org)
  • A firm groundwork laid in 1960s by G.M.J. Schmidt and his group for solid-state photochemistry established that molecules do react in this state provided they do not have to move much. (miami.edu)
  • Du, H., R.-C. A. Fuh, J. Li, L. A. Corkan and J. S. Lindsey (1998) PhotochemCAD: A computer-aided design and research tool in photochemistry. (photochemcad.com)
  • Our findings highlight the contrasting impacts of photochemical and microbial processes on the photoreactivity of freshly sourced terrestrial DOM and invite further studies to develop a more holistic understanding of their implications for aquatic photochemistry. (syr.edu)
  • In this talk, I will show a series of examples where studying the photophysics and photochemistry of real-life molecules helped spotlight the limitations of current theoretical methodologies and stimulate the development of new strategies for excited-state dynamics. (univ-nantes.fr)
  • Corral, I. "Disclosing the role of C4-oxo substitution in the photochemistry of DNA and RNA pyrimidine monomers: Formation of photoproducts from the vibrationally-excited ground state", J. Phys. (case.edu)
  • He and professor Heiko Ihmels from the University of Siegen in Siegen, Germany, will study cyclic carbonate photochemistry and solid-state photochemistry of those compounds. (shsu.edu)
  • The topics span a wide range of disciplines, grounded in physical chemistry and chemical physics, and reaching into combustion, atmospheric and interstellar chemistry, heterogeneous catalysis, materials, photochemistry and ultrafast processes, and energy-related science. (grc.org)
  • Photochemical and photophysical processes in biomolecules are intimately involved in a multitude of functional processes, that include vision, photosynthesis, molecular recognition, gene replication, etc., and can be utilized in areas such as photodynamic therapy. (rsc.org)
  • Depiction of the energy levels of a typical organic molecule and the photophysical processes it can. (beilstein-journals.org)
  • Answering these questions clearly goes beyond a pure theoretical curiosity, as photochemical and photophysical processes are central to numerous domains like energy conversion and storage, radiation damage in DNA, or atmospheric chemistry. (univ-nantes.fr)
  • His current research focuses on metal-organic chromophore photophysics and energy transfer, photochemical upconversion phenomena, solar fuels photocatalysis, energy transduction at semiconductor/molecular interfaces, photoredox catalysis, and excited state electron transfer processes. (aip.org)
  • The direction of electron flow in molecular optoelectronic devices is dictated by charge transfer between a molecular excited state and an underlying conductor or semiconductor. (osti.gov)
  • The investigation of photoactive and/or fluorescent molecular switches is a field of chemical research with intensive worldwide activities. (uhu.es)
  • This doctoral thesis contributes to these activities with the design and characterization of new molecular switches and model systems that can be used to study energy transfer processes. (uhu.es)
  • As an additional advantage the logic functions can be reset and reconfigured, which makes the system a versatile platform for molecular information processing. (uhu.es)
  • Photochromic molecular switches (fluorophore-appended spiropyrans and a fulgimide) that can deliver distinct fluorescence responses depending on their ring-open and ring-closed states were investigated. (uhu.es)
  • Based on the detailed photochemical and photophysical characterization a molecular keypad lock and a D-latch memory device were developed and demonstrated. (uhu.es)
  • Such switches are not trivial and the developed research is without doubt at the frontline of these recent developments in molecular information processing. (uhu.es)
  • Since a fully molecular system facilitates spectroscopic studies of the catalytic process, we are interested in developing such a system that consists of covalently-linked iminium ions. (bgsu.edu)
  • In a study published in JBC, a team from I2BC/CEA-Joliot, in collaboration with the Beijing Botanical Institute (China), describes for the first time an intermediate state of the light-harvesting antenna of higher plants that provides a better understanding of the changes that take place at the molecular level during the activation of a plant's photoprotection mechanism. (cea.fr)
  • The Molecular Interactions and Dynamics (MID) Gordon Research Conference has long served the physical chemistry and chemical physics communities, as topics touch on the interactions and dynamics in isolated molecules, clusters, solution, surfaces, interfaces, and biological systems. (grc.org)
  • This GRC will be held in conjunction with the "Molecular Interactions and Dynamics" Gordon Research Seminar (GRS). (grc.org)
  • The increase in fluorescence is due to PSII reaction centers being in a "closed" or chemically reduced state. (wikipedia.org)
  • Closed reaction centres reduce the overall photochemical efficiency, and so increases the level of fluorescence. (wikipedia.org)
  • Cartoon shows the DNA base pairs get rid of excited-state antiaromaticity by a proton-coupled electron transfer reaction. (uh.edu)
  • The excited-state proton transfer (ESPT) reaction is an important primary photochemical process because it is closely related to photophysical properties. (figshare.com)
  • This suggests that the reaction coordinate connecting 1 a to 1 b differs to that for the reverse photochemical process. (uea.ac.uk)
  • The presence of the bicontinuous structures formed by the upconverting fibrous nanoassemblies and the solution phase is utilized to design photochemical reaction systems induced by TTA-UC. (mdpi.com)
  • This absorption creates excitation energy (change from a ground electronic state to an excited state of the collecting chlorophyll ), which is transferred from one chlorophyll to the next to the photosynthetic reaction centre where it is converted into chemical potential energy (by charge separation). (cea.fr)
  • Only light that is absorbed into the skin can cause a photochemical reaction. (medscape.com)
  • Photochemical and Photobiological Sciences , 6 (9), 987-994. (nottingham.edu.cn)
  • Photochemical & Photobiological Sciences 2022 , 21 , 1573. (uvsq.fr)
  • Here we probe the metastable, 1 b, excited state, utilising ultrafast transient absorption and femtosecond stimulated Raman spectroscopy. (uea.ac.uk)
  • The excited states created by UV absorption are endowed with mechanisms of deactivation which are of major importance for the photochemical stability of these species. (cea.fr)
  • Chan, M. S. and J. R. Bolton (1980) Structures, reduction potentials and absorption maxima of synthetic dyes of interest in photochemical solar-energy storage studies. (photochemcad.com)
  • For nanosecond and femtosecond ablation, we propose cyclic multiphotonic absorption and photomechanical mechanisms, respectively, while purely photochemical ablation was confirmed. (iupac.org)
  • In butanol, the intramolecular charge transfer (ICT) state C≡N infrared absorption bands of DMABN and TMABN both develop from an initial singlet into a doublet, demonstrating the co-existence of two charge transfer excited states, one of which is hydrogen-bonded and the other similar to the state formed in aprotic solvents. (nottingham.edu.cn)
  • The ICT C≡N absorption band of TMABN is already strong at the earliest measurement time of 2 ps in THF, hexane, and butanol, indicating prompt population of ICT by a barrierless process, as expected from the pre-twisted structure of this molecule. (nottingham.edu.cn)
  • No CN absorption band attributable to this state is observed, consistent with it being similar to the LE state of DMABN. (nottingham.edu.cn)
  • Dietzek, B., W. Kiefer, G. Hermann, J. Popp and M. Schmitt (2006) Solvent effects on the excited-state processes of protochlorophyllide: a femtosecond time-resolved absorption study. (photochemcad.com)
  • Karas uses computer simulations to study photochemical processes under the advisement of College of Natural Sciences and Mathematics assistant professor Judy Wu. (uh.edu)
  • Dr. Castellano was formerly the Director of the Center for Photochemical Sciences while he was a Professor at Bowling Green State University, and then moved his research program to NC State in 2013. (aip.org)
  • AIP Publishing's portfolio currently consists of 33 journals, including six open access titles, flagship titles Applied Physics Reviews , Applied Physics Letters , Journal of Applied Physics and The Journal of Chemical Physics , and Scilight , a weekly publication highlighting the most interesting new research in the physical sciences. (aip.org)
  • To carry out their activities, Research Teams of the Frédéric Joliot Institute for Life Sciences have developed high-profile technological platforms in many areas : biomedical imaging, structural biology, metabolomics, High-Throughput screening, level 3 microbiological safety laboratory. (cea.fr)
  • However, the high stability of aromatic compounds (explained by Hückel´s "4n+2" rule) exists only when the compounds are in their electronic ground states. (photonics.com)
  • Crespo-Hernández, C. E. "Photochemical Stability of 5-Methylcytidine Relative to Cytidine: Photophysical Insight for mRNA Therapeutic Applications", ChemRxiv 2023, DOI: https://doi.org/10.26434/chemrxiv-2023-v0q44. (case.edu)
  • Luciferases have become indispensable for the study of fundamental cellular processes including the regulation of transcription and translation, mRNA and protein stability, and nucleic acid/protein interactions. (neb.com)
  • The hydride transfer mechanism was identified as stepwise electron/hydrogen atom transfer process originating from the triplet excited state. (bgsu.edu)
  • Yu, A.* Interaction between triethanolamine and singlet or triplet excited state of xanthene dyes in aqueous solution. (ruc.edu.cn)
  • These photocatalysts offer a means to selectively functionalize organic molecules with the appropriate choice of an excited state quencher. (umich.edu)
  • This lecture will present results of photochemical, photophysical, NMR and EPR studies of organic molecules included within a watersoluble cavitand trivially known as octa acid. (miami.edu)
  • Strong exciton-photon coupling exhibits the possibility to modify photophysical and photochemical properties of organic molecules without changing their structure. (gu.se)
  • Finally, the origin of the excitation frequency-dependent photocurrents lies in the electronic structure of the chromophore excited states, as shown by the results of theoretical calculations, laser flash photolysis, and steady-state spectrophotometric measurements. (osti.gov)
  • The problem is due to the lack of a seamless integration of computational methods that allow modern quantum electronic structure calculations to be performed with state-of-the-art methods for electronic structure, chemical thermodynamics, and reactive dynamics. (umn.edu)
  • Dixon, J. M., M. Taniguchi and J. S. Lindsey (2005) PhotochemCAD 2: a refined program with accompanying spectral database for photochemical calculations. (photochemcad.com)
  • Site-selective fragmentation of the carbon cage of the adamantane molecule is studied using Auger-electron Photoion coincidence spectroscopy, revealing the influence of the core-hole site on the Auger decay and dissociation process. (lu.se)
  • The excited singlet, triplet, and ionic states are identified, and intersystem crossing, isomerization, electron transfer and recombination, and photothermal conversion due to excited-state annihilation are analyzed, just as by transmittance mode spectroscopy. (iupac.org)
  • The principles of the reactivity of excited states of molecules and solids under irradiation are detailed. (epfl.ch)
  • The notion of diabatic state underlies many essential concepts in chemistry (correlation diagrams, site models, Valence-Bond approaches, Marcus theory…) which all describe chemical reactivity as a reorganization of bonds and free pairs, correlated with a change in system geometry. (icgm.fr)
  • however, no prior study has systematically evaluated the impact of HABs on the photochemical reactivity of freshwater lakes. (syr.edu)
  • In particular, I will focus on the sunlight-induced reactivity of volatile organic compounds in the troposphere and athermal ground-state processes following the passage through a conical intersection. (univ-nantes.fr)
  • Most soft X-ray experiments are performed at synchrotron radiation facilities in order to characterize elementary processes. (lu.se)
  • Such an approach has been developed by a collaboration between the SBM team of LFP (CEA-CNRS URA2453), a theoretical team of the Ruđer Bošković Institut (Zagreb, Croatia) and two experimentalists of CLUPS (Paris Sud University, Orsay) in order to characterize the excited states of the stable conformers of a model peptide and establish the nonradiative relaxation mechanisms. (cea.fr)
  • Regarding his work in the photostability of molecules, Karas explains that when light shines on an aromatic molecule, it goes to an excited state becoming "antiaromatic" and unstable. (uh.edu)
  • What we found is that there's a relationship between a molecule being photoexcited and becoming excited-state antiaromatic," said Karas. (uh.edu)
  • When a molecule absorbs an X-ray photon, it excites the molecule to a highly unstable state. (lu.se)
  • This excited molecule then relaxes to reach a stable state, releasing charged particles like electrons and ions in the process. (lu.se)
  • It is based in the uptake of a photosensitizer (PS) molecule which, upon being excited by light in a determined wavelength, reacts with oxygen and generates oxidant species (radicals, singlet oxygen, triplet species) in target tissues, leading to cell death [ 11 , 12 ] . (oaepublish.com)
  • Similar SMLM techniques include Photoactivated Localization Microscopy ( PALM) and Ground State Depletion Individual Molecule Return ( GSDIM) , among many others. (microscopyu.com)
  • This highly active research field is made up of a diverse community, with research ranging from organometallic and materials chemistry (development of new photocatalysts) to mechanistic and synthetic organic (novel transformations and syntheses) to chemical engineering (improved reactors and processes). (beilstein-journals.org)
  • The Wu group's extensive work in computational organic chemistry earned them a $1.8 million Maximizing Investigators' Research Award from the National Institutes of Health last fall, which provided the group with more resources. (uh.edu)
  • Of particular interest are the discovery of practical new processes which utilize the redox chemistry of visible light activated metal complexes. (umich.edu)
  • Despite the ever-increasing need to understand these energy conversion and transport processes in many fields of Physics, Chemistry, and Biology, many challenges must be addressed due to the multiscale nature of the problem - from atomic to nanoscopic length and time scale. (lu.se)
  • Dr. Castellano is the Goodnight Innovation Distinguished Chair in the Department of Chemistry at North Carolina State University (NC State). (aip.org)
  • We all share a vision to provide timely research, reviews, relevant tutorials, and original experimental and theoretical research for the chemical physics and physical chemistry communities. (aip.org)
  • This research program takes advantage of new computer hardware and algorithms and develops computational chemistry software for scientific discovery by modeling and simulation. (umn.edu)
  • Rick White, professor of chemistry, will spend the spring semester abroad doing basic fundamental research on a subject matter that was only discovered within the past four years. (shsu.edu)
  • The conference strives to connect fundamental physical chemistry research with practical systems. (grc.org)
  • Excited chlorophyll pigments transfer their energy to carotenoid pigments, which immediately dissipate it as heat. (cea.fr)
  • Their study, published in JBC, shows that, in this state, all the changes associated with non-photochemical quenching (changes in protein-chlorophyll interactions, neoxanthin torsion) are present except for lutein torsion , while no quenching is associated with this state . (cea.fr)
  • Drzewiecka-Matuszek, A., A. Skalna, A. Karocki, G. Stochel and L. Fiedor (2005) Effects of heavy central metal on the ground and excited states of chlorophyll. (photochemcad.com)
  • ii) response to light and ii) electron transfer processes in a variety of organisms are subjects of great importance. (rsc.org)
  • CPR is a new AIP Publishing journal set to launch later this year to provide comprehensive and authoritative reviews and original research in all areas of chemical physics. (aip.org)
  • The research, built on basic concepts in optical physics, involves innovative ways to address problems in security, credit cards, identification cards, protection of computer chips, etc. (nsf.gov)
  • To better understand the transient nature of these radical species and rapid degradation processes, laser flash photolysis (LFP) has been considered as a viable and powerful technique due to its high temporal resolution and rapid response. (bvsalud.org)
  • In sharp contrast, however, information on electronic processes in biomolecules such as isolated proteins and DNA (and their complexes) is still in its infancy. (rsc.org)
  • Though extremely complicated to uncover, knowledge of photo-excited state processes of such biomolecules in the cellular/biological context is the eventual goal of scientists working in these areas. (rsc.org)
  • As previously stated, PDT involves the photosensitized oxidation of biomolecules which can be separated in two mechanisms. (oaepublish.com)
  • However, this process happens very quickly, on a timescale of femtoseconds, so specialized experimental methods are required to capture these ultrafast dynamics. (lu.se)
  • submitted as part of the Special Issue "Ultrafast Dynamics in Chemical Processes" . (case.edu)
  • Light induced chemical and physical processes in small organic-/inorganic-/bio-molecules have been a subject of experimental and theoretical research for several decades. (rsc.org)
  • A plethora of theoretical tools has been developed over the past decades to address these questions by simulating the excited-state dynamics of molecules. (univ-nantes.fr)
  • He then moved to Bristol (UK) as a Marie Skłodowska-Curie Fellow to work alongside experimentalists, applying his theoretical methods to understand the mechanistic details of some photochemical processes. (univ-nantes.fr)
  • Process Biochemistry 2017, 58 , 181-185. (ruc.edu.cn)
  • We covered topics going from the photochemical mechanisms involved, the different cell death mechanisms being triggered by a myriad of photosensitizers up to the more recent-on-going clinical trials. (oaepublish.com)
  • American Petroleum Institute Research Project 44 (1984) Selected Ultraviolet Spectral Data: Thermodynamic Research Center Hydrocarbon Project. (photochemcad.com)
  • Specifically, Physical Optics Corporation will fabricate and test a solid-state filter tailored to precisely match the spectral characteristics of target compound(s), either gaseous or liquid, in the near-infrared region of the electromagnetic spectrum. (nsf.gov)
  • Photoinduced inter-protein electron transfer is also responsible for various biological processes. (rsc.org)
  • S pilled oil is transported, and its composition and character altered, by a variety of physical, chemical, and biological processes ( Figure 4-1 ). (nationalacademies.org)
  • These processes rely on a catalyst's ability to absorb visible light and convert it into chemical energy via single electron transfer to generate the necessitated reactive intermediates. (beilstein-journals.org)
  • Nonetheless, applications to complex chemical systems, such as reactive processes in the condensed phase, remain problematic. (umn.edu)
  • According to Baird's rule, compounds that are aromatic in the ground state become antiaromatic and reactive in the excited state. (photonics.com)
  • Fitting into the framework of suitability, advanced oxidation processes have been demonstrated as powerful technologies to produce highly reactive radicals for the degradation of toxic and refractory contaminants. (bvsalud.org)
  • We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy . (photonics.com)
  • Dynamic reflection spectroscopies of total internal, diffuse, and regular reflection modes analyze photophysical and photochemical processes at the interface/surface layers with thicknesses of a few tens to a few hundreds of nm and of optically scattering materials. (iupac.org)
  • 논문] 안병민, Han-Joo Lee, In-Chul Choi, Terence G. Langdon, Jae-Il Jang, Megumi Kawasaki, Micro-mechanical behavior of an exceptionally strong metal matrix nanocomposite processed by high-pressure torsion? (ajou.ac.kr)
  • Furthermore, plasma membrane proteins and intracellular proteins can be released into the extracellular space by regulated or non-regulated processes. (cipsm.de)
  • This session will discuss recent progress in the photoinduced processes related to proteins that are responsible for vision that include i) rhodopsin in the photoreceptor cells of the vertebrate ii) retina, phytochrome in plants, and bacteriorhodopsin and bacteriophytochromes in some bacteria. (rsc.org)
  • This session will highlight the consequences of photoinduced processes in DNA or proteins responsible for the onset of various types of disease (particularly melanoma cancer). (rsc.org)
  • Studies in this area led to the identification of multiple bioluminescent proteins and enzyme systems, some of which have found direct applications in biological research (2). (neb.com)
  • It focuses then on photoredox processes in solution and at the surface of solids. (epfl.ch)
  • X-rays excite small quantum systems to unstable core hole states, leading to a cascade of phenomena, including Auger decay, nuclear rearrangement, and dissociation. (lu.se)
  • These tools will make it possible to describe in a compact way the temporal evolution of the electron density during a photochemical or photophysical process, then they can be used as part of a post-processing of on-the-fly dynamics to define the relevant subspace of diabatic states explored during the evolution of the photo-excited system. (icgm.fr)
  • This talk will illustrate with examples the remarkable changes in the photochemical properties of different molecules on placing them within a water-soluble cavitand trivially known as octa acid. (miami.edu)
  • The dissociation of molecules is influenced by the initial site of X-ray excitation, as well as the properties of the Auger populated states, such as charge localization and internal energy. (lu.se)
  • STORM and other SMLMs are conceptually similar techniques: the photochemical properties of the fluorophore are exploited to induce a weakly emissive or non-emissive "dark" state. (microscopyu.com)
  • Remarkably, the team succeeded in isolating for the first time a state of LHCII, obtained using the detergent n-dodecyl-α-D-maltoside , and in characterising the spectroscopic properties of its pigments . (cea.fr)
  • Photoinduced charge transfer processes have been implicated in a variety of oxidative processes which ultimately lead to mutations, compromising the biological function of DNA. (rsc.org)
  • We study matter via its interaction with electromagnetic radiation, with a special emphasis on how light couples to the quantum mechanical states of matter. (lu.se)
  • The comparative study reveals the importance of having the redox active -N center closer to -OH functionality in order to drive the PCET process. (bgsu.edu)
  • This study highlights the need for continued research on changes in photoreactivity of acid-impacted aquatic ecosystems in response to browning and subsequent impacts on photochemical processes. (syr.edu)
  • Studying how small quantum systems, like molecules and clusters, interact with X-rays is crucial to understanding the ultrafast processes that occur in nature on incredibly short timescales, ranging from femtoseconds to picoseconds. (lu.se)
  • Conventional force fields are typically not appropriate for treating bond making and breaking processes, which involve electronic structure changes and must be treated by quantum mechanics. (umn.edu)
  • Within this context, we introduce the development process and milestones of LFP with emphasis on compositions and operation principles. (bvsalud.org)
  • Our research concerns the fundamental interaction of light with atoms, molecules and clusters, based on a bottom-up approach. (lu.se)
  • The interplay between electronic and nuclear dynamics in core-excited/ionized molecules and clusters is a critical factor that needs to be assessed. (lu.se)
  • To reduce photochemical quenching to negligible levels, a high intensity, short flash of light is applied to the leaf. (wikipedia.org)
  • Time resolved information about these processes can be obtained using free electron lasers or attosecond light sources. (lu.se)
  • Unidirectional motion relies on light‐driven conversion from a stable (1 a) to a metastable (1 b) conformation, which then relaxes through a thermally driven helix inversion in the ground state. (uea.ac.uk)
  • Research revealed that CVD-graphene on SiO2 was efficiently transfer-photohydrogenated by using formic acid and water mixtures together with white light or solar irradiation under metal-free conditions. (photonics.com)
  • It catalyzes the oxidative decarboxylation of coelenterazine to produce coelenteramide via an excited state intermediate, which upon relaxation to the ground state emits blue light (475 nm) (Figure 2). (neb.com)
  • This state of LHCII should be considered as a n intermediate state that would allow the transition from an unquenched state, capable of absorbing and converting light energy into chemical energy, to a 'quenched' state through non-photochemical quenching . (cea.fr)