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Modulation of Methyl Green's Optical Properties by Solvent Polarity, Encapsulation, and Dynamic Magnetic Fields.

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Title: Modulation of Methyl Green's Optical Properties by Solvent Polarity, Encapsulation, and Dynamic Magnetic Fields.
Authors: Mirheidari, Hoda1 (AUTHOR) h.mirheidari@stu.yazd.ac.ir, Zarandi, Mahmood Borhani1 (AUTHOR) mborhani@yazd.ac.ir, Sharifi, Soheil2 (AUTHOR) ssharifi@um.ac.ir, Gholizadeh, Mostafa3 (AUTHOR) m_gholizadeh@um.ac.ir
Source: Journal of Fluorescence. May2026, Vol. 36 Issue 5, p3233-3243. 11p.
Subjects: Optical properties, Magnetic fields, Triarylmethane dyes, Polar solvents, Light absorption, Fluorescence, Microemulsions
Abstract: The present study investigated the linear and nonlinear optical properties of Methyl green (MeG) dye in different environments such as H2O-EtOH binary solutions and microemulsions, as well as the effect of dynamic magnetic field. Fluorescence was described to be blueshifted from 358 to 405 nm in the weaker ethanol solutions with an increase in ethanol concentration. The results described and illustrated Z-scan for an increase in Reverse Saturable Absorption (RSA) and nonlinear absorption coefficients in ethanol-rich solutions, with limits of nonlinear absorption coefficient (β) of 8.77–26.18 × 10− 5 cmW− 1; and β = 8.0 × 10− 5 cmW− 1 after encapsulation with a lower concentration of MeG. Dynamic magnetic fields (0–25 min) included a decline in absorbance and a change in the Rayleigh pattern of scattering, associated with the decrease in β. Study of magnetic water by Raman and FT-IR spectroscopy suggested that the change in MeG nonlinearity is a result of the change in polarization in the environment. This evidenced changing optical properties of MeG as influenced by solvent polarity, encapsulation. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fluorescence is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194200066
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PubTypeId: academicJournal
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  Data: Modulation of Methyl Green's Optical Properties by Solvent Polarity, Encapsulation, and Dynamic Magnetic Fields.
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  Data: <searchLink fieldCode="AR" term="%22Mirheidari%2C+Hoda%22">Mirheidari, Hoda</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> h.mirheidari@stu.yazd.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Zarandi%2C+Mahmood+Borhani%22">Zarandi, Mahmood Borhani</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mborhani@yazd.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Sharifi%2C+Soheil%22">Sharifi, Soheil</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> ssharifi@um.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Gholizadeh%2C+Mostafa%22">Gholizadeh, Mostafa</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> m_gholizadeh@um.ac.ir</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fluorescence%22">Journal of Fluorescence</searchLink>. May2026, Vol. 36 Issue 5, p3233-3243. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Triarylmethane+dyes%22">Triarylmethane dyes</searchLink><br /><searchLink fieldCode="DE" term="%22Polar+solvents%22">Polar solvents</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescence%22">Fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Microemulsions%22">Microemulsions</searchLink>
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  Data: The present study investigated the linear and nonlinear optical properties of Methyl green (MeG) dye in different environments such as H2O-EtOH binary solutions and microemulsions, as well as the effect of dynamic magnetic field. Fluorescence was described to be blueshifted from 358 to 405 nm in the weaker ethanol solutions with an increase in ethanol concentration. The results described and illustrated Z-scan for an increase in Reverse Saturable Absorption (RSA) and nonlinear absorption coefficients in ethanol-rich solutions, with limits of nonlinear absorption coefficient (β) of 8.77–26.18 × 10− 5 cmW− 1; and β = 8.0 × 10− 5 cmW− 1 after encapsulation with a lower concentration of MeG. Dynamic magnetic fields (0–25 min) included a decline in absorbance and a change in the Rayleigh pattern of scattering, associated with the decrease in β. Study of magnetic water by Raman and FT-IR spectroscopy suggested that the change in MeG nonlinearity is a result of the change in polarization in the environment. This evidenced changing optical properties of MeG as influenced by solvent polarity, encapsulation. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Fluorescence is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s10895-026-04742-3
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 3233
    Subjects:
      – SubjectFull: Optical properties
        Type: general
      – SubjectFull: Magnetic fields
        Type: general
      – SubjectFull: Triarylmethane dyes
        Type: general
      – SubjectFull: Polar solvents
        Type: general
      – SubjectFull: Light absorption
        Type: general
      – SubjectFull: Fluorescence
        Type: general
      – SubjectFull: Microemulsions
        Type: general
    Titles:
      – TitleFull: Modulation of Methyl Green's Optical Properties by Solvent Polarity, Encapsulation, and Dynamic Magnetic Fields.
        Type: main
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            NameFull: Mirheidari, Hoda
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            NameFull: Zarandi, Mahmood Borhani
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            NameFull: Sharifi, Soheil
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            NameFull: Gholizadeh, Mostafa
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 36
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