Controlling the shape of a quantum wavefunction

Article Abstract:

Quantum holography depends on interference between two waves, the object and the reference. These are combined in a single coherently prepared quantum state. The ability to control the shape and motion of quantum states could result in methods for bond-selective chemistry and quantum computing. A direct approach to coherent quantum control is reported that enables the shape of an atomic electron's radial wavefunction to be manipulated. This is then measured, with data than fed back into a laser control system, which then reprograms the optical field.

Usage, Ionization, Eigenvalues, Holography

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Mox2 is a component of the genetic hierarchy controlling limb muscle development

Article Abstract:

The co-expression of Mox1 and Mox2 in the epithelial somites of mouse embryos continues in the sclerotome, although the dermomyotome only expresses Mox1. To study the role of Mox2 in the development of paraxial mosoderm, the first coding exon was disrupted by gene targeting in mouse embryonic stem (ES) stem cells, generating a null allele. Mox2 is not required for the migration of myogenic precursors into limb buds, but is necessary for normal appendicular muscle formation and normal regulation of myogenic genes.

Extremities (Anatomy), Regeneration (Biology), Myogenesis

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Controlling the glucose factory

Article Abstract:

Research into the hormonal signals that control the production of glucose by the liver indicates that a protein known as PGC-1 is involved. It was found that levels of PGC-1 mRNA were high in the liver in three different rodent models of increased liver gluconeogenesis.

Liver, Glycogen, Glucose metabolism

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