Merike Vaher

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About

Merike Vaher is a leading researcher in analytical chemistry, with a focus on developing innovative, low-cost methods for the analysis of bioactive compounds in plant extracts. Her work bridges the gap between traditional laboratory techniques and field-deployable solutions, particularly through the use of paper microzone-based assays. Vaher’s most cited paper, "Automatic spot preparation and image processing of paper microzone-based assays for analysis of bioactive compounds in plant extracts" (2013, 26 citations), exemplifies her contribution to simplifying complex analytical procedures. By integrating automated spot preparation with digital image processing, she has enabled rapid, reproducible, and accessible quantification of antioxidants and other bioactive molecules—critical for quality control in herbal medicine and food science. This approach reduces reliance on expensive instrumentation, making chemical analysis more democratized. Vaher’s work is widely recognized for its practical impact, supporting sustainable and resource-efficient analytical platforms. Her research continues to inspire advancements in microfluidic paper-based devices, with applications ranging from environmental monitoring to pharmaceutical screening. Through her innovative methodologies, Vaher has established herself as a key figure in the field of green analytical chemistry.