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A DSC study of the non-isothermal cold crystallization and relaxation effects in ubiquinone and ubiquinol.

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Title: A DSC study of the non-isothermal cold crystallization and relaxation effects in ubiquinone and ubiquinol.
Authors: Barbas, Rafael1 (AUTHOR), Bofill, Lídia2 (AUTHOR), de Sande, Dafne1 (AUTHOR), Prohens, Rafel3 (AUTHOR) rafel_prohens@ub.edu
Source: CrystEngComm. 8/21/2025, Vol. 27 Issue 31, p5356-5362. 7p.
Subjects: Ubiquinones, Differential scanning calorimetry, Crystallization, Transition temperature, Crystallization kinetics, X-ray powder diffraction
Abstract: Cold crystallization effects, the kinetics-dependent crystallization behaviour of amorphous ubiquinone and ubiquinol produced in a series of quenching from-the-melt experiments, have been extensively studied through the combination of differential scanning calorimetry (DSC) and powder X-ray diffraction (PXRD) techniques under a big diversity of experimental conditions, which has allowed the exploration of their poorly understood polymorphic landscapes. The investigation revealed the existence of a non-previously described polymorph together with a rich set of kinetically dependent transformations, which were observed for the first time by thermal analysis conducted at different heating rates in both oxidized and reduced solid forms of Coenzyme Q10. [ABSTRACT FROM AUTHOR]
Copyright of CrystEngComm is the property of Royal Society of Chemistry 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.)
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DbLabel: Engineering Source
An: 187144169
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  Data: A DSC study of the non-isothermal cold crystallization and relaxation effects in ubiquinone and ubiquinol.
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  Data: <searchLink fieldCode="AR" term="%22Barbas%2C+Rafael%22">Barbas, Rafael</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bofill%2C+Lídia%22">Bofill, Lídia</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22de+Sande%2C+Dafne%22">de Sande, Dafne</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Prohens%2C+Rafel%22">Prohens, Rafel</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> rafel_prohens@ub.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22CrystEngComm%22">CrystEngComm</searchLink>. 8/21/2025, Vol. 27 Issue 31, p5356-5362. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Ubiquinones%22">Ubiquinones</searchLink><br /><searchLink fieldCode="DE" term="%22Differential+scanning+calorimetry%22">Differential scanning calorimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Crystallization%22">Crystallization</searchLink><br /><searchLink fieldCode="DE" term="%22Transition+temperature%22">Transition temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Crystallization+kinetics%22">Crystallization kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+powder+diffraction%22">X-ray powder diffraction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Cold crystallization effects, the kinetics-dependent crystallization behaviour of amorphous ubiquinone and ubiquinol produced in a series of quenching from-the-melt experiments, have been extensively studied through the combination of differential scanning calorimetry (DSC) and powder X-ray diffraction (PXRD) techniques under a big diversity of experimental conditions, which has allowed the exploration of their poorly understood polymorphic landscapes. The investigation revealed the existence of a non-previously described polymorph together with a rich set of kinetically dependent transformations, which were observed for the first time by thermal analysis conducted at different heating rates in both oxidized and reduced solid forms of Coenzyme Q10. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of CrystEngComm is the property of Royal Society of Chemistry 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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        Value: 10.1039/d5ce00368g
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      – Code: eng
        Text: English
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        StartPage: 5356
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      – SubjectFull: Ubiquinones
        Type: general
      – SubjectFull: Differential scanning calorimetry
        Type: general
      – SubjectFull: Crystallization
        Type: general
      – SubjectFull: Transition temperature
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      – SubjectFull: Crystallization kinetics
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      – SubjectFull: X-ray powder diffraction
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      – TitleFull: A DSC study of the non-isothermal cold crystallization and relaxation effects in ubiquinone and ubiquinol.
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            – D: 21
              M: 08
              Text: 8/21/2025
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              Y: 2025
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