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18 Newest Publications about the topic light emissionsrss
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11-Jul-2013 | Cassius V. Stevani, Anderson G. Oliveira, Luiz F. Mendes, Fernanda F. Ventura, Hans E. Waldenmaier, Rodrigo P. Carva ..., Photochemistry and Photobiology, 2013
Abstract Over the last half decade the study of fungal bioluminescence has regained momentum since the involvement of enzymes has been confirmed after over 40 years of controversy. Since then our laboratory has worked mainly on further characterizing the substances involved in fungal ...
13-Oct-2012 | Hazem M. Kalaji, Vasilij Goltsev, Karolina Bosa, Suleyman I. Allakhverdiev, Reto J. Strasser, Govindjee, Photosynthesis Research, 2012
This review is dedicated to David Walker (1928–2012), a pioneer in the field of photosynthesis and chlorophyll fluorescence. We begin this review by presenting the history of light emission studies, from the ancient times. Light emission from plants is of several kinds: prompt fluorescence (PF), ...
11-Oct-2012 | Isabelle Navizet, Daniel Roca‐Sanjuán, Ling Yue, Ya‐Jun Liu, Nicolas Ferré, Roland Lindh, Photochemistry and Photobiology, 2012
Abstract A usual strategy in both experimental and theoretical studies on bio‐ and chemiluminescence is to analyze the fluorescent properties of the bio‐ and chemiluminescence reaction product. Recent findings in a coelenteramide and Cypridina oxyluciferin model arise a concern on the validity ...
30-Aug-2012 | Mary P. Hall; James Unch; Brock F. Binkowski; Michael P. Valley; Braeden L. Butler; Monika G. Wood; Paul Otto; Krist ..., ACS Chemical Biology, 2012
Bioluminescence methodologies have been extraordinarily useful due to their high sensitivity, broad dynamic range, and operational simplicity. These capabilities have been realized largely through incremental adaptations of native enzymes and substrates, originating from luminous organisms of ...
13-Jul-2012 | Tho D. Nguyen; Eitan Ehrenfreund; Z. Valy Vardeny, Science , 2012
The light emission from an organic light-emitting diode depends on the spin polarization of the injected current.
13-Jul-2012 | Science , 2012
Biofilms Up Close | A Timely Structure | MMS19 Joins the CIA | Influenza's Cryptic Constraint | Spin-Dependent Light Emission | Moving Dislocations | Abiotic Martian Organics | More Melting | Acidification Blues | They Walked Together | Growing Extinction Debt | GPCR Close-Up | Pole to Pole
23-Jan-2012 | Yoshizawa, Susumu; Karatani, Hajime; Wada, Minoru; Kogure, Kazuhiro, FEMS Microbiology Letters, 2012
Abstract Luminous marine bacteria usually emit bluish‐green light with a peak emission wavelength (λmax) at about 490 nm. Some species belonging to the genus Photobacterium are exceptions, producing an accessory blue fluorescent protein (lumazine protein: LumP) that causes a blue shift, from ...
01-Sep-2011 | Birtic, Simona; Ksas, Brigitte; Genty, Bernard; Mueller, Martin J.; Triantaphylidès, Christian; Havaux, Michel, The Plant Journal, 2011
Summary Plants, like almost all living organisms, spontaneously emit photons of visible light. We used a highly sensitive, low‐noise cooled charge coupled device camera to image spontaneous photon emission (autoluminescence) of plants. Oxidative stress and wounding induced a long‐lasting ...
01-Aug-2011 | Paul V. Dunlap; Masaru Nakamura, Journal of Morphology, 2011
Abstract Previous studies of the luminescence system of Siphamia versicolor (Perciformes: Apogonidae) identified a ventral light organ, reflector, lens, duct, and a ventral diffuser extending from the throat to the caudal peduncle. The control and function of luminescence in this and other ...
01-Jul-2011 | Deckers, Roel; Yudina, Anna; Cardoit, Laura C.; Moonen, Chrit T. W., Contrast Media & Molecular Imaging, 2011
Abstract Many potent anti‐cancer drugs have an intracellular mode of action, but are limited in crossing the cell membrane, resulting in a reduced clinical efficacy. Ultrasound (US) is known to facilitate the penetration of drugs into tumors cells. However (molecular) imaging techniques that ...