Optical brighteners are a valuable component for bioinsecticide formulae based on baculovirus. These substances enhance their insecticidal capacity at the same time as they do not favour the development of resistance of the insects to these viruses, nor do they increase the probability that the insect might develop sublethal infections, rather than lethal ones. This is the conclusion of the Mexican engineer, Ana Mabel Martínez Castillo, in her thesis defended in the Public University of Navarre.
Plagues that effect maize
Baculovirus are a group of virus pathogens, specific to arthropods, that are currently used as bioinsecticides in various countries in the world. Their use on the land has shown that ultraviolet radiation from the sun is the main factor that affects the infectious capacity of the viral particles, provoking a drop in the efficacy of these bioinsecticides. For this reason, studies have been initiated in order to identify substances that, incorporated into the baculovirus formulae, enable an increase in its effectiveness and persistence.
Garazi Andonegi | alfa
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
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