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  • ...This results in a photochemical reaction: either the rearrangement of the molecule or its disintegration into fragments. A third possibility is the emission
    17 KB (2,715 words) - 01:15, 7 February 2017
  • ...sorption at long wavelengths, an intriguing feature for a relatively small molecule [8-10]. The causes of colour in indigo were investigated in the 1970s with ...ative amounts (≤10% and ≤20%), indicating that indigo is a very stable molecule in certain environments. Based on the behavior of indigo in DMF solutions [
    39 KB (5,992 words) - 00:40, 2 February 2018
  • ...This results in a photochemical reaction: either the rearrangement of the molecule or its disintegration into fragments. A third possibility is the emission
    18 KB (2,751 words) - 22:06, 29 September 2017
  • ...olecule must overlap the absorption or excitation spectrum of the acceptor molecule.
    15 KB (2,604 words) - 08:22, 21 July 2017
  • ...ensity he conjectured that the excitation energy captured by a chlorophyll molecule in the photosynthetic membrane can move over some 104 chlorophyll molecules ...thetic reaction centres. They guide the light, absorbed by any chlorophyll molecule in a most effectively to the chlorophyll dimer, of the RZ which is often ca
    48 KB (7,461 words) - 06:51, 27 August 2019
  • ...ctively excite specific groups of atoms in a single molecule or a specific molecule in a mixture, because the light absorption depends on definite and unique e
    9 KB (1,247 words) - 07:05, 16 May 2017
  • ...Kasha and his students who stated the new group theoretical theorem that a molecule may be considered to be uibrutionally deficient if its normal modes of moti ...ctroscopic phenomena for the study of the normal and tautomeric forms of a molecule and their dynamic relations. Applications include the mechanisms of proton
    8 KB (1,252 words) - 00:45, 10 February 2017
  • ...ncept of the "luminescent centre", i.e. the system composed of the excited molecule and its closest neighborhood. Using the Franck-Condon principle generalized 1. the Born-Oppenheimer approximation for the wave functions of the quasi-molecule formed by the radiating and perturbing atoms during a collision, and
    13 KB (1,927 words) - 04:17, 20 July 2017
  • ...e 2) and the energy can go back and forth for a while or go to yet another molecule until emission or a radiation-less transition takes place. FRET is extremel ...entration, <math>c< c_{0}</math> , the pathway (c)-to-(d) is dominant: the molecule stays excited for a few nanosecond (c), and then, (d), emits a fluorescent
    66 KB (9,851 words) - 09:24, 12 January 2020
  • ...eans that it is absorbing energy that is sufficient to break a bond in the molecule. Thus the property of absorption is a first indication that the substance m ...ently and speedily dissipated into heat, chemical bonds of the UV absorber molecule may break or rearrange, resulting in degradation of the UV filter.In addit
    14 KB (2,038 words) - 04:39, 1 June 2018
  • ...ic and terrestrial life forms. Because the maximum light absorption by DNA molecule is observed at 260 nm, UVC would be the most effective waveband for the in ...-electron systems. Increasing the number of conjugated double bonds in the molecule, the absorption maximum shifts to longer wavelengths and also gives rise to
    22 KB (3,200 words) - 17:00, 9 March 2020
  • ...d with the absorption of normal and harmless doses of light by a "strange" molecule (photosensitizer, PS) in non-harmful concentrations, reaching the absorbed ...gy giving rise to reactions that produce a chemical alteration of a second molecule of the system (substrate), as it is shown in Figure 2. Photosensitized reac
    13 KB (1,921 words) - 17:00, 9 March 2020
  • ...eatures new chapters and a subsequent focus on super-resolution and single-molecule microscopy as well as an expanded introduction. Each chapter is written by *Single Molecule Microscopy in the Life Sciences
    11 KB (1,539 words) - 11:43, 10 March 2017
  • ...methods to protein systems, he had to first devise a suitable fluorescent molecule that could be chemically linked to proteins and had absorption and emission
    12 KB (1,859 words) - 14:43, 11 November 2018
  • ...of the formation of dimers between an excited and a nonexcited state of a molecule (Birks and Christophboron, 1962) . These excited dimers were given the name
    8 KB (1,202 words) - 23:44, 9 February 2017
  • ...opy, i.e., FRAP, FRET, SHG, lifetime imaging, spectral fingerprint, single molecule detection, colocalization, 3D/4D. ...lecule sensitivity, Nanoscopy - FCS, TIRF, STED/PALM, IML-SPIM (Individual Molecule Localization - Selective Plane Illumination Microscopy).
    10 KB (1,239 words) - 05:07, 20 July 2017
  • ...gy, it is driven into an excited state that persists for a brief time. The molecule then transitions back to the lower energy ground state by one of several po ...ort but definite and measurable interval of time” within the fluorescent molecule [5]. The excited-state events observed by Becquerel, Wood, and Gottling are
    26 KB (3,948 words) - 23:39, 3 March 2017
  • ...scence Only.png|300 px|thumb|A Jablonski diagram showing the excitation of molecule A to its singlet excited state (<sup>1</sup>A*) followed by intersystem cro ...diagram''' is a diagram that illustrates the [[electronic state]]s of a [[molecule]] and the transitions between them. The states are arranged vertically by e
    4 KB (533 words) - 23:26, 9 November 2017
  • ..., fluorescence lifetime imaging, genetically engineered probes, and single molecule detection. The role of the CFS has typically been to develop the fundamenta
    5 KB (759 words) - 12:41, 18 February 2017
  • ...on of molecular quantum electrodynamics to radiation-molecule and molecule-molecule interactions. Radiation-molecule and molecule-molecule interactions are described completely quantum mechanically using quantum el
    4 KB (533 words) - 17:56, 18 February 2017
  • ...in units of cm2/mol instead of the presently accepted units of b/atom or b/molecule (Gerward, 1996).
    15 KB (2,376 words) - 01:23, 2 March 2017
  • ...the Red-Edge effects are observed are now well understood [6, 7]. The dye molecule can absorb only the light quanta that correspond to its electronic transiti ...he distribution on solute-solvent interaction energies [6]. In fact, every molecule is under the influence of different forces produced by configuration of sur
    37 KB (5,373 words) - 23:28, 25 March 2017
  • ...the Red-Edge effects are observed are now well understood [6, 7]. The dye molecule can absorb only the light quanta that correspond to its electronic transiti ...he distribution on solute-solvent interaction energies [6]. In fact, every molecule is under the influence of different forces produced by configuration of sur
    37 KB (5,371 words) - 22:05, 29 September 2017
  • Single-molecule approaches provide unprecedented detail to the understanding of essential b Research in the Craggs Lab involves the development and application of single-molecule fluorescence techniques to addressing crucial questions across physics, che
    6 KB (755 words) - 07:39, 10 March 2017
  • ...d peptides. Steinberg argued, from first principals, that if a fluorescent molecule is chiral, or placed in a chiral environment, making its absorption is circ
    13 KB (1,900 words) - 21:45, 30 October 2017
  • ...e amyloid beta peptide (Aβ) associated with Alzheimer’s disease. Single molecule imaging and tracking is applied to identify the peptide oligomeric species * Shi, J., Gafni, A. and Steel, DG: Application of single molecule spectroscopy in studies of enzyme kinetics and mechanisms. Meth. Enzymol. 2
    7 KB (953 words) - 19:34, 17 October 2017
  • ...intramolecular relaxation in a bound level structure of an isolated large molecule, which were subsequently confirmed by experiments in the 1980s on laser spe Significant applications of the theory of isolated molecule relaxation in the statistical limit (1968-1981) pertain to ultrafast (femto
    26 KB (3,708 words) - 19:14, 28 November 2017
  • ...studied, in solution, as a function of excitation energy, temperature and molecule geometry. Complementary calculations and modeling enable elucidation of the ..."Dual fluorescence and intramolecular energy transfer in a bichromophoric molecule", J. Phys. Chem. 84, 768-773 (1980).
    8 KB (1,148 words) - 16:52, 17 November 2017
  • ...e 2) and the energy can go back and forth for a while or go to yet another molecule until emission or a radiation-less transition takes place. FRET is extremel ...entration, <math>c< c_{0}</math> , the pathway (c)-to-(d) is dominant: the molecule stays excited for a few nanosecond (c), and then, (d), emits a fluorescent
    66 KB (9,915 words) - 15:31, 16 December 2017
  • ...ized the topic of fluorescent probes by focusing on focus on organic small molecule fluorophores and their use as labels and sensors for bioimaging. Probes usi ...cal sides are linked by a C=N bond to form a potential fluorescent-sensing molecule (L) for metal cations. [42] They synthesized the Compound L according to th
    44 KB (6,295 words) - 09:24, 12 January 2020
  • ...[Ru(bpy)<math>_{3}</math>]<math>^{2+}</math> complex has been his favorite molecule: he studied the photochemical and luminescent behavior of more than one hun
    12 KB (1,730 words) - 17:46, 7 November 2019
  • ...contrast to the extended experimental work, theoretical studies describing molecule-NC EET with an atomistic resolution found less interest. ...a CdSe NC and a single tetrapyrrole-type pheophorbide-<math>\it a </math> molecule. In Ref. [18] we considered EET which may proceed between a huge cyanine dy
    46 KB (7,222 words) - 12:46, 14 April 2019
  • ...contrast to the extended experimental work, theoretical studies describing molecule-NC EET with an atomistic resolution found less interest. ...a CdSe NC and a single tetrapyrrole-type pheophorbide-<math>\it a </math> molecule. In Ref. [18] we considered EET which may proceed between a huge cyanine dy
    46 KB (7,240 words) - 23:22, 21 January 2020