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Updated: Jun 13, 2026
08:07
Spectrophotometric Determination of Phycobiliprotein Content in Cyanobacterium Synechocystis
Published on: September 11, 2018
Color of cyanobacteria: some methodological aspects
Beatriz Prieto1, Patricia Sanmartín, Noelia Aira
1Dpto. Edafología y Química agrícola, Fac. Farmacia, University Santiago de Compostela, 15782-Santiago de Compostela, Spain. beatriz.prieto@usc.es
Applied Optics
|April 15, 2010
Summary
Standardizing cyanobacteria color measurement is crucial for research. This study found that moisture content, concentration, and measurement area affect color readings, but a protocol of 10 measurements per 9.62 cm² on moist samples ensures accuracy.
Area of Science:
- Microbiology
- Spectroscopy
- Biotechnology
Background:
- Cyanobacteria color is an important characteristic for research.
- Lack of standardized color measurement protocols hinders inter-laboratory comparisons.
- Objective color definition for cyanobacteria is needed.
Purpose of the Study:
- To establish a standardized protocol for objective cyanobacteria color measurement.
- To investigate factors affecting cyanobacteria color measurements.
- To enable reliable comparison of experimental results.
Main Methods:
- Utilized colorimetric measurements and statistical analysis.
- Investigated effects of microorganism concentration and moisture content.
- Assessed impact of target area size and number of measurements.
Main Results:
- Cyanobacteria color measurement is influenced by concentration, moisture, target area, and measurement count.
- A minimum of 10 measurements per 9.62 cm² is recommended.
- Optimal measurements require cyanobacteria films with >50% moisture content.
Conclusions:
- A reliable protocol for cyanobacteria color measurement was developed.
- Standardized measurements ensure data consistency and comparability.
- The protocol addresses key variables influencing color readings.
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