Loading...
  • investigate
  • The combination of transient absorption and pulsed cavity ring-down spectroscopies is used to study weak electronic or overtone transitions of trace gas-phase species and investigate the kinetic and photochemical properties of important transient atmospheric radicals. (illinois.edu)
  • It is envisioned that photochemically-driven cleanup methods may solve this problem, and John Yates is currently supervising a postdoctoral worker at NIST who is using the NIST synchrotron to investigate EUV- induced carbon deposition and carbon mitigation processes on model optical surfaces. (virginia.edu)
  • transient
  • Expanding upon our recent results, we are investigating further applications of photo-organocatalysis , where key transient intermediates of organocatalytic processes in the ground state actively participate in the photo-excitation of substrates, without the need for an external metal-based photosensitiser. (iciq.es)
  • A unique mechanism of catalysis was proposed, wherein the catalyst is actively involved in both the photochemical activation of the substrates, by inducing the transient formation of chiral electron donor-acceptor (EDA) complexes, and the stereoselectivity-defining event. (iciq.es)
  • Thermal
  • Transition Metal-Mediated Thermal and Photochemical Carbon Dioxide Conversion. (unt.edu)
  • The Processing Unit will be flown in active mode (for continuous thermal conditioning of samples) to the ISS in the Shuttle middeck. (esa.int)
  • After successful completion of the exhaustive preparatory science programme on ground, the Processing Unit of the Protein Crystallisation Diagnostics Facility with a variety of different protein solutions will be flown in active mode (for continuous thermal conditioning of samples) to the ISS in the Shuttle middeck on flight 15A, which is due for launch on 12 February 2009. (esa.int)
  • The POM oxidizes the biomass under photo or thermal irradiation, and delivers the charges from the biomass to the fuel cell's anode. (bio-medicine.org)
  • The system provides major advantages, including combining the photochemical and solar-thermal biomass degradation in a single chemical process, leading to high solar conversion and effective biomass degradation. (bio-medicine.org)
  • solar energy
  • The primary research motivation of the study is to achieve fast charge separation and slow charge recombination of the system by stabilizing the radical ion pairs which are formed from photo excitation, for maximum utility of solar energy. (unt.edu)
  • The researchers also need to compare operation of the system with solar energy and other forms of input energy, such as waste heat from other processes. (bio-medicine.org)
  • proteins
  • 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)
  • 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)
  • The advent of optochemical genetics has led to the invention of light-sensitive proteins by the incorporation of photo-responsive molecules. (riken.jp)
  • Site-specific incorporation of photo-responsive unnatural amino acids into proteins by the genetic code expansion technology adds unprecedented photochemical properties to varieties of proteins. (riken.jp)
  • Although there is a long history to engineer light-activatable proteins, for example ion channels and kinases, the development of light-induced allosteric modulations of pharmacological importance - is a more recent phenomenon. (riken.jp)
  • kinetics
  • This has inspired scientists to develop spatially micro- and nanoreactors by 'bottom-up' approaches in order to improve different processes in comparison to solution, in terms of kinetics, selectivity or processability. (rsc.org)
  • dynamics
  • The mechanism and dynamics of photoinduced DNA and protein damage is critically important to our understanding of diseases associated with ultraviolet irradiation as well as to the development of photosensitized therapies. (rsc.org)
  • measurements
  • Through heterologous expression in Xenopus laevis oocytes and mammalian cells, we have characterized their photochemical properties by using electrophysiology measurements in combination with online-light stimulation. (riken.jp)
  • cellular
  • 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)
  • Light
  • Manufacturer presentations were given by C. Ceccarelli (Agilent), L. Daniels (Rigaku) and C. Campana (Bruker AXS) on potential applications of commercially available X-ray diffraction systems for studying light-induced phenomena. (iucr.org)
  • Malign consequences of mis-function in higher life forms can include blindness (retinal pigmentosa), as well as photomutation leading, in DNA, to the primary cause of various types of cancer which (when light induced) can lead to melanomas. (rsc.org)
  • An infrared light is emitted at doses pre-programmed to specific conditions, which then accelerates the cell's natural healing process. (bayhillequine.com)
  • This process is done under light sedation and a small local anesthetic block. (bayhillequine.com)
  • As such processes terminate the flux of photons emanating from a fluorophore, photobleaching serves as a key limiting factor in applications relying on light emission from a fluorophore. (springer.com)
  • Acts as a blue-light photoreceptor and photo-protectant. (string-db.org)
  • Essential for inhibiting damaged induced by excess blue-green light via a process known as non-photochemical quenching (NPQ) (PubMed-16531492, PubMed-18687902, PubMed-20368334). (string-db.org)
  • Biochemical analysis has been used to confirm light-induced inter-subunit crosslinking. (riken.jp)
  • Characterizations of light-induced allosteric modulations in the presence of inhibitors (Zn2+ and ifenprodil) and potentiators (spermine) have provided a unified view of how the same N-terminal domains of both subtypes, distant to the agonists binding domains, bidirectionally modulate receptors functions. (riken.jp)
  • Photochemical internalization (PCI) provides an emerging technology to route endocytosed material to the cytosol of cells, based on light-induced disruption of endosomal membranes using a photosensitizing compound. (frontiersin.org)
  • Since this change was originally made possible by absorbed light energy, it is known as a photochemical change. (encyclopedia.com)
  • energy
  • The second step involves, the transfer of excitation energy to the reaction center, which triggers an electron transfer process within the system. (unt.edu)
  • These dynamic processes include electron and energy transfer, bond dissociation and formation, unimolecular rearrangement, diffusion, and interactions between reactants and between reactant and solvent. (fsu.edu)
  • ii) Photo-organocatalysis and energy transfer. (iciq.es)
  • If the excess energy is given off more slowly over a period of time, the process is known as phosphorescence. (encyclopedia.com)
  • dynamic processes
  • Specifically, photoactivatable fluorophores permit the monitoring of dynamic processes in real time as well as the reconstruction of images with subdiffraction resolution. (hindawi.com)
  • lipid
  • This will expand on the initial ROALD experiment from 2008 and will determine the role of a certain lipid in the regulation of immune processes and in the cell cycle under weightless conditions. (esa.int)
  • The administration of the squaraine dye in the system induces no significant change in the level of lipid peroxidation products and activity of antioxidant enzymes when compared to the control mice. (omicsonline.org)
  • namely
  • The wound healing is a dynamic process consisting of four continuous and precisely programmed phases, namely haemostasis, inflammation, proliferation and remodelling. (intechopen.com)
  • properties
  • The derivatives of Porphyrins, Phthalocyanines, BODIPY, and SubPhthalocyanines etc have been widely used as the primary building blocks for designing photoactive and electroactive ensembles in this area because of their excellent and unique photophysical and photochemical properties. (unt.edu)
  • In wound healing, in particular, the increasing healthcare costs and the antibiotic resistance demonstrated by several microorganisms have encouraged researchers and companies in the development of innovative wound dressings with antibacterial properties and capability to promote and enhance the healing process. (intechopen.com)
  • results
  • New computational techniques for time-resolved data processing and interpretation of results were also considered. (iucr.org)
  • In our research, we strive to learn how electrons are apportioned in these processes and how our results compare with theoretical predictions. (fsu.edu)
  • This therapy results in a sequence of photochemical and photobiological processes that cause irreversible photo damage to the tumor tissue. (omicsonline.org)
  • tumor
  • Aguilera AA, Diaz GH, Barcelata ML, Guerrero OA, Ros RM: Effects of fish oil on hypertension, plasma lipids, and tumor necrosis factor-alpha in rats with sucrose-induced metabolic syndrome. (drugbank.ca)
  • We have examined the in vivo distribution of the dye on normal and skin tumor induced animal models to check the retention time of the dye. (omicsonline.org)
  • degradation
  • A major problem with EUV-lithography is the photochemical degradation of hydrocarbon contaminants from the process vacuum at 10-6 to 10-7 Torr onto first surface mirror optics used in processing, causing polymerization-decomposition on the mirrors and optical degradation to the point of uselessness. (virginia.edu)
  • state
  • Recent advances in high resolution spatio-temporal techniques have offered detailed understanding of excited state processes in small molecules. (rsc.org)
  • photoinduced phenomena in the solid state. (fsu.edu)
  • development
  • Fukuchi S, Hamaguchi K, Seike M, Himeno K, Sakata T, Yoshimatsu H: Role of fatty acid composition in the development of metabolic disorders in sucrose-induced obese rats. (drugbank.ca)
  • extraction
  • The "internet of everything" envisions trillions of connected objects loaded with high-bandwidth sensors requiring massive amounts of local signal processing, fusion, pattern extraction and classification. (spie.org)
  • system
  • But that process has many drawbacks: power output from such cells is limited, microbes or enzymes can only selectively break down certain types of biomass, and the microbial system can be deactivated by many factors. (bio-medicine.org)
  • charge
  • The effect of axial ligation or ∏-∏ interactions in addition to the crown etherammonium cation binding, on photochemical charge stabilization in these supramolecuar dyads is systematically investigated. (wichita.edu)
  • cells
  • Dye-sensitized solar cells have now reached a high degree of maturity in theoretical and experimental understanding of the various microscopic processes contributing to the overall working principle. (hindawi.com)
  • A blood sample taken from horse and immediately processed to separate blood plasma rich in platelets from the red blood cells. (bayhillequine.com)
  • This leads to activation of CD4+ T helper cells, which induce B cell and antibody-mediated immunity. (frontiersin.org)
  • control
  • Besides defense and homeland security applications that we expect to be some of the early adaptors, applications in medical diagnostics, forensics, industrial process control, and environmental monitoring are anticipated. (virginia.edu)
  • technology
  • Agar diffusion tests on untreated gauze and cotton gauze treated by photo-reduction technology. (intechopen.com)
  • Here, we investigated the potential of PCI as a novel, minimally invasive, and well-tolerated vaccination technology to induce priming of cancer-specific CTL responses to peptide antigens. (frontiersin.org)
  • experiment
  • A KUBIK incubator is currently scheduled to process ESA's ROALD-2 experiment at the end of 2011. (esa.int)
  • Subsequently the KUBIK incubator in the European Drawer Rack will also be used to process NASA's NIH Ageing experiment which is currently planned for the second half of 2012. (esa.int)
  • This follows on from extensive activities for the Geoflow-2 experiment, which has been undergoing experiment processing in FSL since 21 March. (esa.int)