The frequent use of these sample papers will help students build exam confidence and play a crucial role in refining the ...

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Sample preparation plays a crucial role in bioanalytical analysis involving chromatography. Insufficient sample preparation, such as skipping protein precipitation, phospholipid removal (PLR), ...

X-Ray photoelectron spectroscopy (XPS) is one of the most important and widely used methods for determining surface chemistry of materials. Cryo-XPS, where the sample is cooled to temperatures below ...