Single-chain mechanical property of poly (N-vinyl-2-pyrrolidone) and interaction with small molecules

Article Abstract:

Atomic force microscopy based technique-single molecule force spectroscopy was used for examining the single-chain nanomechanical properties of poly (N-vinyl-2-pyrrolidone) (PVPr) and povidone-iodine (PVPr-I2) under different solution conditions. The force-extension curve (force curve) of PVPr in water is deviated from that obtained in ethanol or tetrahydrofuran.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Tetrahydrofuran, Electric properties, Water chemistry, Atomic force microscopy, Pyrrole, Pyrroles

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Thermal properties of Bi nanowire arrays with different orientations and diameters

Article Abstract:

Diffractional scanning calorimeter and in situ high-temperature X-ray diffraction are used to study the thermal properties of single-crystalline Bi nanowire arrays with different orientations and diameters. The results have shown that the physical properties of Bi nanowires depend strongly on the orientation of the nanowires.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Bismuth, Observations, Nanotechnology, X-rays, X-ray diffraction, Thermal properties, Structure

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