ArticleScientific reports2023
Use of the speckle imaging sub-pixel correlation analysis in revealing a mechanism of microbial colony growth.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Laser speckle imaging for biofilm viability assessment: a noninvasive alternative to the MTT assay.Biomedical optics express · 2026Article
- Event-based laser speckle imaging for real-time monitoring of fungal activity under chemical stress.Biomedical optics express · 2026Article
- Polarization-Resolved Speckle Technique for Rapid Non-Destructive Characterization of Macroporous Silica Thin Films.Sensors (Basel, Switzerland) · 2026Article
- Adapted Correlation Methods for Laser Speckle Imaging of Microbial Activity: Evaluation and Rationale.Sensors (Basel, Switzerland) · 2025Article
- Light scattering-based screening method for rapid evaluating antibiotic effects on bacteria using laser speckle imaging.Journal of biological engineering · 2025Article
- Improved temporal speckle contrast model for slow and fast dynamic: effect of temporal correlation among neighboring pixels.Journal of biomedical optics · 2025Article
- Classification of Microbial Activity and Inhibition Zones Using Neural Network Analysis of Laser Speckle Images.Sensors (Basel, Switzerland) · 2025Article
- Bacterial colony size growth estimation by deep learning.BMC microbiology · 2023Article
- Tools for classification of growing/non-growing bacterial colonies using laser speckle imaging.Frontiers in microbiology · 2023Article
- Laser speckle imaging for visualization of hidden effects for early detection of antibacterial susceptibility in disc diffusion tests.Frontiers in microbiology · 2023Article
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Authors and funding
7 authors.
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Abstract
The microbial colony growth is driven by the activity of the cells located on the edges of the colony. However, this process is not visible unless specific staining or cross-sectioning of the colony is done. Speckle imaging technology is a non-invasive method that allows visualization of the zones of increased microbial activity within the colony. In this study, the laser speckle imaging technique was used to record the growth of the microbial colonies. This method was tested on three different microorganisms: Vibrio natriegens, Escherichia coli, and Staphylococcus aureus. The results showed that the speckle analysis system is not only able to record the growth of the microbial colony but also to visualize the microbial growth activity in different parts of the colony. The developed speckle imaging technique visualizes the zone of "the highest microbial activity" migrating from the center to the periphery of the colony. The results confirm the accuracy of the previous models of colony growth and provide algorithms for analysis of microbial activity within the colony.
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