FTIR Spectra of Lead Phthalocyanine Hydrogen-Bonded with Six Dyes

Dodia, Ketan; Oza, A. T.

doi:10.1007/s10812-014-9854-4

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“…Figure c demonstrates that the spectra from Evans blue dye show two principal peaks in absorption band around 3500 cm −1 in a range of free carrier absorption and at 1572 cm −1 . The FT‐IR spectra of Evans blue obtained are in good agreement with the spectra in the previous literature study . Also, the FT‐IR spectra of Evans blue dye‐coated PMSQ nanospheres showed characteristic peaks, which occurred at 3427, 2981, 2927, 2363, 1639, 1276, 769, and 551 cm −1 (Fig.…”

Section: Resultssupporting

confidence: 89%

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Polymer nanospheres formed by a microfluidic technique with Evans blue dye

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2015

Polymers for Advanced Techs

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In this work, the V‐shaped microfluidic junction (VMJ) device technique with gas/liquid interface was used to prepare textured polymer nanospheres from bubble bursting for drug delivery. The polymer/dye solution, N2 gas, and a volatile liquid, perfluorohexane (PFH) were simultaneously fed using the tubes into the VMJ device. A high‐pressure injection of N2 gas into the VMJ interacts with PFH and ethanol leading to the preparation of a microbubble system. Once bubbles are ejected from the VMJ outlet, nanospheres calve from the parent bubble. The collection temperature and the N2 gas pressure play a key role in the mechanism by which nanospheres are formed. In addition, the volatile liquid, PFH, is described as a significant surface modifier. The influence of the N2 gas pressure, collection temperature, and the volatile liquid flow rates on nanospheres size distribution and surface roughness were investigated using scanning electron microscopy. The results revealed that the N2 gas pressure and collection temperature are crucial in tailoring the size distribution of the nanospheres and that the nanospheres textured with PFH had significantly rougher surface. Nanospheres coated with Evans blue dye were prepared, and those collected at high temperature exhibited a very different dye release profile compared with those collected at lower temperatures. Copyright © 2015 John Wiley & Sons, Ltd.

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Section: Resultssupporting

confidence: 89%

“…The FT-IR spectra of Evans blue obtained are in good agreement with the spectra in the previous literature study. [43] Also, the FT-IR spectra of Evans blue dye-coated PMSQ nanospheres showed characteristic peaks, which occurred at 3427, 2981, 2927, 2363, 1639, 1276, 769, and 551 cm À1 (Fig. 6d).…”

Section: Resultsmentioning

confidence: 89%

Polymer nanospheres formed by a microfluidic technique with Evans blue dye

Küçük

2015

Polymers for Advanced Techs

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FTIR Spectra of Lead Phthalocyanine Hydrogen-Bonded with Six Dyes

Cited by 1 publication

References 9 publications

Polymer nanospheres formed by a microfluidic technique with Evans blue dye

Polymer nanospheres formed by a microfluidic technique with Evans blue dye

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