Beta Ionone
Mostrando 1-8 de 8 artigos, teses e dissertações.
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1. Beta-ionone attracts Euglossa mandibularis(Hymenoptera, Apidae) males in western Paraná forests
ABSTRACTMales of Euglossa mandibularis were consistently captured in scent traps baited with β-ionone in areas of Mixed Ombrophylous Forests or transition between this latter physiognomy and Montane Semideciduous Forest at Parque Nacional do Iguaçu, Paraná state, Brazil. Geographic records for the species and sampling effort (including or not β-ionone am
Rev. Bras. entomol.. Publicado em: 2015-09
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2. Estrutura genética e ecologia de comunidades das abelhas Euglossini (Hymenoptera; Apidae) do Parque Estadual da Serra do Mar e Parque Estadual da Ilha Anchieta, Ubatuba, SP, Brasil / Genetic structure and community ecology of Euglossine bees (Hymenoptera, Apidae) of Parque Estadual da Serra do Mar and Parque Estadual da Ilha Anchieta in Ubatuba, São Paulo State, Brazil
A Mata Atlântica é considerada uma das grandes prioridades para a conservação de biodiversidade em todo o continente americano. Este bioma é um dos oito hotspots do planeta e caracteriza-se pelo alto grau de endemismo e pela alta diversidade de espécies que encerra. As abelhas Euglossini estão restritas à região Neotropical, com uma faixa de distrib
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/03/2011
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3. Produção microbiologica de carotenoides em escala industrial
In order to improve, transform and conserve food products, food processing methods frequently result in undersireable colour changes, thus necessitating the utilisation of food colouring additives. In the last few decades, scientists, in conjunction with industries have been investigating different ways of producing inocuous low cost colouring materials for
Publicado em: 1972
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4. The Competitive Effect of the Beta- and Delta-Carotene Genes on Alpha- or Beta-Ionone Ring Formation in the Tomato
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5. Chemical alteration of carotene biosynthesis in Phycomyces blakesleeanus and mutants.
The effects of diphenylamine, dimethyl sulfoxide, streptomycin, AMO-1618, and beta-ionone on the carotene composition of a wild-type and three mutant strains of Phycomyces blakesleeanus have been examined. Diphenylamine increased the phytoene and phytofluene concentrations of all strains while reducing the levels of the color carotenes. Dimethyl sulfoxide re
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6. The three-dimensional structure of retinol-binding protein.
The complex of retinol with its carrier protein, retinol-binding protein (RBP) has been crystallized and its three-dimensional structure determined using X-ray crystallography. Its most striking feature is an eight-stranded up-and-down beta barrel core that completely encapsulates the retinol molecule. The retinol molecule lies along the axis of the barrel w
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7. Mechanism of activation of sensory rhodopsin I: evidence for a steric trigger.
Sensory rhodopsin I (SR-I) and bacteriorhodopsin (BR) from Halobacterium halobium show broad structural and spectroscopic similarities and yet perform distinct functions: photosensory reception and proton pumping, respectively. Probing the photoactive sites of SR-I and BR with 24 retinal analogs reveals differences in the protein environments near the retina
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8. Light-induced isomerization causes an increase in the chromophore tilt in the M intermediate of bacteriorhodopsin: a neutron diffraction study.
Bacteriorhodopsin (BR) was regenerated with two selectively deuterated retinals, one with 11 deuterons in the beta-ionone ring (D11) and the other with 5 deuterons (D5) at the end of the polyene chain closest to the Schiff base at carbon atoms C-14, C-15, and C-20. Both label positions (centers of deuteration) were obtained from difference Fourier maps of pr