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Analysis of the induction of general stress proteins of Bacillus subtilis

Uwe Völker、Susanne Engelmann、Björn Maul 等 8 位作者1994-04-01Microbiology

In Bacillus subtilis stress proteins are induced in response to different environmental conditions such as heat shock, salt stress, glucose and oxygen limitation or oxidative stress. These stress proteins have been previously grouped into general stress proteins (Gsps) and heat-specific stress proteins (Hsps). In this…

Heat shock proteins researchEnzyme Structure and FunctionProtein Structure and Dynamics

Titelei

作者信息未提供1994-04-01Applied Rheology

Geometrical optics design and aberration analysis of a focusing grating coupler

Michel O. E. Laurijs1994-04-01Optical Engineering

The geometrical optics design of a focusing grating coupler (FGC) is discussed for the situation in which the shape of the guided and free-space pencil and the diffraction geometry are general. A function that describes the so-called optical path-length defect in a general point of the FGC yields the spatial frequency…

Photonic Crystal and Fiber OpticsPhotonic and Optical DevicesOptical Coatings and Gratings

Nucleation of trapezoidal kink pairs on a Peierls potential

Hirokazu Koizumi、H. O. K. Kirchner、Takayoshi Suzuki1994-04-01Philosophical magazine. A/Philosophical magazine. A. Physics of condensed matter. Structure, defects and mechanical properties

The activation energy ΔH∗ for forming a kink pair of trapezoidal shape in a dislocation in a Peierls potential is calculated by considering the long-range elastic interaction between the dislocation segments. The shapes and energies obtained in this three-parameter model closely resemble those obtained from the contin…

nanoparticles nucleation surface interactionsForce Microscopy Techniques and ApplicationsMicrostructure and mechanical properties