Lucie Nováková

Sample preparation techniques in bioanalysis are multistep, time-consuming, and labour-intensive procedures that can take up 60–80% of the total analysis time. Sample preparation is often the limiting step of fast bioanalysis and the most error-prone part of the analytical method. There is currently a focus on improving the sample preparation process by shortening sample preparation time, cutting the cost of analysis, decreasing sample volume and solvent consumption, reducing the number of sample preparation steps, and adapting the whole process for automation. This article explores microextraction techniques, selective approaches, on-line sample preparation, and dried matrix spots that aim to provide solutions to sample preparation problems in bioanalysis.