Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 298, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cis.2021.102546
Keywords
Sessile drops; Evaporation; Pattern formation; Diagnosis
Categories
Funding
- European Space Agency (ESA) [4000129506/20/NL/PG]
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This review investigates the use of patterns from dried drops for characterization and diagnosis purposes. It categorizes the patterns left behind by dried drops of various complex fluids and presents their potential applications, particularly in healthcare. The review also discusses the limitations that need to be overcome and prospective works that could enable widespread implementation of this technique.
When particulate-laden droplets evaporate, they leave behind complex patterns on the substrate depending on their composition and the dynamics of their evaporation. Over the past two decades, there has been an increased interest in interpreting these patterns due to their numerous applications in biomedicine, forensics, food quality analysis and inkjet printing. The objective of this review is to investigate the use of patterns from dried drops as a characterisation and diagnosis technique. The patterns left behind by dried drops of various complex fluids are categorised. The potential applications of these patterns are presented, focussing primarily on healthcare, where the future impact could be greatest. A discussion on the limitations which must be overcome and prospective works that may be carried out to allow for widespread implementation of this technique is presented in conclusion.
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