Instability of loose sand in constant volume direct simple shear tests in relation to particle shape
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DOI: 10.1007/s11440-019-00909-4
Abstract: Post-peak flow instability of six sands notably different in terms of average particle shape characteristics, gradation, and mineralogy was investigated. Tests were carried out under constant volume condition using a NGI-type direct simple shear apparatus.… read more here.
Keywords: direct simple; constant volume; instability; particle shape ... See more keywords
A direct and simple immobilization route for immunosensors by CNBr activation for covalent attachment of anti-leptin: obesity diagnosis point of view
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DOI: 10.1007/s13205-021-03096-w
Abstract: Leptin is a peptide hormone produced in adipose tissue that works as an antiobesity hormone by balancing energy intake and expenditure. We aimed to develop an ultrasensitive electrochemical immunosensor based on a novel immobilization technique… read more here.
Keywords: immobilization; detection; anti leptin; leptin ... See more keywords
Cyclic Direct Simple Shear Test to Measure Strain-Dependent Dynamic Properties of Unsaturated Sand
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DOI: 10.1520/gtj20160128
Abstract: The dynamic properties of a clean sand under different degrees of saturation were investigated using a modified custom built Direct Simple Shear (DSS) apparatus at the University of New Hampshire. The specific characteristics of the… read more here.
Keywords: sand; simple shear; shear test; dynamic properties ... See more keywords