研究目的
Investigating the physical and fluorescence properties of eosin Y solutions for laser-induced fluorescence in water flows.
研究成果
The datasets provide comprehensive guidelines for optimizing dye mixtures and optical configurations for implementing eosin fluorescence techniques in water flow studies. The findings highlight the potential of eosin Y as a low-toxic alternative to more toxic fluorescent dyes commonly used in laboratory experiments.
研究不足
The study focused on eosin Y solutions prepared from a specific pharmaceutical aqueous solution, which may limit the generalizability of the findings to other forms of eosin Y. Additionally, the experiments were conducted under controlled laboratory conditions, which may not fully replicate real-world applications.
1：Experimental Design and Method Selection:
The study involved diluting a pharmaceutical aqueous solution of eosin Y with distilled water and examining the solutions under various temperatures and laser powers.
2：Sample Selection and Data Sources:
Sample solutions with eosin concentrations ranging from 0 to 20 g/L were prepared.
3：List of Experimental Equipment and Materials:
Equipment included a rotational rheometer D-HR2 (TA Instruments), a drop shape analyzer DSA25 (Krüss), a CG 820 microprocessor-based pH-Meter (Schott Ger?te), a Ocean Optics USB2000+XR1-ES spectrometer, and a Photron Fastcam Mini AX50 camera.
4：Experimental Procedures and Operational Workflow:
Measurements of dynamic viscosity, surface tension, pH, fluorescence emission spectra, laser beam attenuation, and photobleaching were conducted.
5：Data Analysis Methods:
Data were analyzed to assess the effects of eosin Y concentration, temperature, and laser power on the properties of the solutions.
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spectrometer
USB2000+XR1-ES
Ocean Optics
Acquiring fluorescence spectra.
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high-speed camera
Fastcam Mini AX50
Photron
Measuring photobleaching and extinction coefficients.
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rotational rheometer
D-HR2
TA Instruments
Measuring dynamic viscosity of solutions.
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drop shape analyzer
DSA25
Krüss
Measuring surface tension of solutions.
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pH-Meter
CG 820
Schott Ger?te
Measuring pH of solutions.
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