Results 241 to 250 of about 79,673 (289)
The Massachusetts Review, 2023 Bioluminiscencija je fenomen prisutan kod različitih organizama, te je predmet mnogobrojnih znanstvenih istraživanja. Bioluminiscencija uključuje emisiju svjetlosti kroz kemijske reakcije unutar živih organizama.
Rajak, Vanda
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, 2012 We now find ourselves utilizing luciferase - luciferin proteins, ATP, genes and the whole complex of these interactions to observe and follow the progress or inhibition of tumors in animal models by measuring bioluminescence intensity, spatially and ...
Thérèse Wilson, J. Woodland Hastings
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Spectrally resolved bioluminescence optical tomography
Optics Letters, 2006 Spectrally resolved bioluminescence optical tomography is an approach to recover images of luciferase activity within a volume using multiwavelength emission data from internal bioluminescence sources. The underlying problem of uniqueness associated with
Shudong Jiang +2 more
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Autonomous bioluminescence imaging of single mammalian cells with the bacterial bioluminescence system [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2019 Bioluminescence-based imaging of living cells has become an important tool in biological and medical research. However, many bioluminescence imaging applications are limited by the requirement of an externally provided luciferin substrate and the low ...
Carola Gregor +2 more
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Chemi- and bioluminescence: Bioluminescence
2023This chapter give examples of theoretical and computational investigations for a better understanding of bioluminescent systems. In bioluminescent systems, the oxidation of substrate inside a protein leads to a product (a light emitter) in its first excited state. Light is emitted with the radiative relaxation of the light emitter.
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2021
In this chapter, we introduce a relatively new, emerging method for molecular neuromodulation-bioluminescence-optogenetics. Bioluminescence-optogenetics is mediated by luminopsin fusion proteins-light-sensing opsins fused to light-emitting luciferases.
Ken, Berglund +2 more
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In this chapter, we introduce a relatively new, emerging method for molecular neuromodulation-bioluminescence-optogenetics. Bioluminescence-optogenetics is mediated by luminopsin fusion proteins-light-sensing opsins fused to light-emitting luciferases.
Ken, Berglund +2 more
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Annual Review of Cell and Developmental Biology, 1998
▪ Abstract Bioluminescence has evolved independently many times; thus the responsible genes are unrelated in bacteria, unicellular algae, coelenterates, beetles, fishes, and others. Chemically, all involve exergonic reactions of molecular oxygen with different substrates (luciferins) and enzymes (luciferases), resulting in photons of visible light ...
T, Wilson, J W, Hastings
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▪ Abstract Bioluminescence has evolved independently many times; thus the responsible genes are unrelated in bacteria, unicellular algae, coelenterates, beetles, fishes, and others. Chemically, all involve exergonic reactions of molecular oxygen with different substrates (luciferins) and enzymes (luciferases), resulting in photons of visible light ...
T, Wilson, J W, Hastings
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PROTEIN STRUCTURE AND BIOLUMINESCENT SPECTRA FOR FIREFLY BIOLUMINESCENCE
Bioluminescence and Chemiluminescence, 2002AbstractModern theory on general and specific effects of microenvironment on emission spectra was used for explanation of spectral differences for both natural and mutant forms of beetle luciferases, as well as for bioluminescence emitter oxyluciferin in model systems. For the analysis, both authors' and other published data were used.
N N, Ugarova, L Y, Brovko
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Journal of Bioluminescence and Chemiluminescence, 1989
AbstractFor analytical purposes bioluminescence can be used in three main ways: 1. luminescence measurement of bioluminescent system components isolated in vitro; 2. determination of luminous organisms' reaction to the in vivo test‐action; 3. measurement of bioluminescence in marine ecological systems.The majority of the reports of this Symposium are ...
I I, Gitelson, L A, Levin
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AbstractFor analytical purposes bioluminescence can be used in three main ways: 1. luminescence measurement of bioluminescent system components isolated in vitro; 2. determination of luminous organisms' reaction to the in vivo test‐action; 3. measurement of bioluminescence in marine ecological systems.The majority of the reports of this Symposium are ...
I I, Gitelson, L A, Levin
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THE ORIGIN OF BIOLUMINESCENCE*
Photochemistry and Photobiology, 1975Abstract— Primitive luciferases evolved in order to utilize oxygen directly as an electron acceptor at the low oxygen concentrations of the primitive atmosphere. This provided a major selective advantage in the ability to metabolize aromatic molecules and n‐alkanes.
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