A Thermodynamic Study on Phthalide‐Type dyes in Aqueous Alcohol Solutions

Kim, Jae-Uk; Yoo, Jeong‐Yeol

doi:10.1002/bkcs.10381

Cited by 2 publications

(3 citation statements)

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“…Besides therapy, they find applications as phthalide‐type dyes, known as leuco dyes, which are thermochromic dyes being capable of changing their spectral and luminescent properties considerably under electronic excitation, [62,63] and dyes such as phenolphtalein that is widely employed as an acid‐base indicator, and flavoring agents [64] . There are also investigations demonstrating the potential use of some phthalide derivatives in optoelectronic applications such as organic light‐emitting diodes (OLED), [65] solar cells applications, [66] and persistent room‐temperature phosphorescence (p‐RTP) materials [67] .…”

Section: Introductionmentioning

confidence: 99%

“…Besides therapy, they find applications as phthalide-type dyes, known as leuco dyes, which are thermochromic dyes being capable of changing their spectral and luminescent properties considerably under electronic excitation, [62,63] and dyes such as phenolphtalein that is widely employed as an acid-base indicator, and flavoring agents. [64] There are also investigations demonstrating the potential use of some…”

Section: Introductionmentioning

confidence: 99%

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An Overview of Natural and Synthetic Phthalides Involved in Cancer Studies: Past, Present, and Future

et al. 2022

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Phthalides, mainly isolated from two genera: Ligusticum and Angelica of the Apiceae (syn Umbelliferae) family, are thought to be a potent natural compound with many therapeutic effects, such as antiplatelet, antitussive, antinociceptive, anti‐inflammatory, antibacterial, antiviral, and immunosuppressive activities. They also have antifungal, antioxidant, and anticancer activities. Phthalides are responsible for the characteristic odor of celery. Since ancient times, phthalides containing plants have been used in Asia, Europe, and North America as traditional medicines and food flavoring agents. In this review, we have provided the data regarding the mechanisms of action related with phthalides on different cancer cells, their chemopreventive properties, and their possible therapeutic potential against various types of human cancer. Our attempt is to make a case for the use of phthalide and their derivatives as one of the plant‐based compounds in targeting metabolic treatment of cancer diseases.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Overview of Natural and Synthetic Phthalides Involved in Cancer Studies: Past, Present, and Future

et al. 2022

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“…Depending on which phases are aimed to be monitored, the analytical technique can be chosen. For instance, Raman spectroscopy, 11 laser reflection interferometry, 12 X-ray diffraction (XRD), 13 and environmental scanning electron microscopy (ESEM) 14 can be utilized to monitor the development of solid phases inside the reactor, whereas gas analysis techniques such as mass spectrometry (MS) 15 and gas chromatography−mass spectrometry (GCMS) 16 can reveal the atomic and molecular interactions in the gas phase. The combination of these analytical techniques has also been reported.…”

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Versatile in Situ Gas Analysis Apparatus for Nanomaterials Reactors

2014

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We report a newly developed technique for the in situ real-time gas analysis of reactors commonly used for the production of nanomaterials, by showing case-study results obtained using a dedicated apparatus for measuring the gas composition in reactors operating at high temperature (<1000 °C). The in situ gas-cooled sampling probe mapped the chemistry inside the high-temperature reactor, while suppressing the thermal decomposition of the analytes. It thus allows a more accurate study of the mechanism of progressive thermocatalytic cracking of precursors compared to previously reported conventional residual gas analyses of the reactor exhaust gas and hence paves the way for the controlled production of novel nanomaterials with tailored properties. Our studies demonstrate that the composition of the precursors dynamically changes as they travel inside of the reactor, causing a nonuniform growth of nanomaterials. Moreover, mapping of the nanomaterials reactor using quantitative gas analysis revealed the actual contribution of thermocatalytic cracking and a quantification of individual precursor fragments. This information is particularly important for quality control of the produced nanomaterials and for the recycling of exhaust residues, ultimately leading toward a more cost-effective continuous production of nanomaterials in large quantities. Our case study of multiwall carbon nanotube synthesis was conducted using the probe in conjunction with chemical vapor deposition (CVD) techniques. Given the similarities of this particular CVD setup to other CVD reactors and high-temperature setups generally used for nanomaterials synthesis, the concept and methodology of in situ gas analysis presented here does also apply to other systems, making it a versatile and widely applicable method across a wide range of materials/manufacturing methods, catalysis, as well as reactor design and engineering.

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A Thermodynamic Study on Phthalide‐Type dyes in Aqueous Alcohol Solutions

Cited by 2 publications

References 16 publications

An Overview of Natural and Synthetic Phthalides Involved in Cancer Studies: Past, Present, and Future

An Overview of Natural and Synthetic Phthalides Involved in Cancer Studies: Past, Present, and Future

Versatile in Situ Gas Analysis Apparatus for Nanomaterials Reactors

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