UV-Vis spectroscopic quantification of residual acetone during the development of nanoparticulate drug delivery systems
Methods for nanoparticles preparation often employ organic solvents in order to solubilize the non-polar constituents of the final nanostructures. In the research process, nanoparticles are assayed as aqueous suspensions in several cases, so that an excessive residual concentration of the organic solvent needs to be avoided since may lead to undesired secondary effects during biological tests. Despite the importance, residual solvent concentration is rarely determined, making necessary the development of quantification methods suitable for this purpose. Acetone is frequently used in drug delivery systems preparation, being capable to exert significant toxicities both, in vitro and in vivo. Thus, a simple and inexpensive UV-Vis spectrophotometric method is proposed to directly determine acetone from nanoparticles suspensions employing its reaction with vanillin. Central composite designs were employed to correct and optimize the quantification method, which was then validated according to international guidelines. The optimized method resulted accurate, precise, and linear in the range of 10-50 µg/mL, with an R2 of 0.998 and limits of detection and quantification of 2.6 and 7.8 µg/mL, respectively. The effect of several surfactants employed during nanoparticles preparation was not detrimental to the method. The proposed procedure can be successfully applied to directly quantify acetone from nanoparticles suspensions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Pharmaceutical development and technology - 24(2019), 6 vom: 07. Juli, Seite 751-760 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Espinoza, Sergio M [VerfasserIn] |
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| Links: |
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| Themen: |
1364PS73AF |
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| Anmerkungen: |
Date Completed 23.10.2019 Date Revised 23.10.2019 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/10837450.2019.1592189 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM29469711X |
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| 245 | 1 | 0 | |a UV-Vis spectroscopic quantification of residual acetone during the development of nanoparticulate drug delivery systems |
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| 500 | |a Date Completed 23.10.2019 | ||
| 500 | |a Date Revised 23.10.2019 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Methods for nanoparticles preparation often employ organic solvents in order to solubilize the non-polar constituents of the final nanostructures. In the research process, nanoparticles are assayed as aqueous suspensions in several cases, so that an excessive residual concentration of the organic solvent needs to be avoided since may lead to undesired secondary effects during biological tests. Despite the importance, residual solvent concentration is rarely determined, making necessary the development of quantification methods suitable for this purpose. Acetone is frequently used in drug delivery systems preparation, being capable to exert significant toxicities both, in vitro and in vivo. Thus, a simple and inexpensive UV-Vis spectrophotometric method is proposed to directly determine acetone from nanoparticles suspensions employing its reaction with vanillin. Central composite designs were employed to correct and optimize the quantification method, which was then validated according to international guidelines. The optimized method resulted accurate, precise, and linear in the range of 10-50 µg/mL, with an R2 of 0.998 and limits of detection and quantification of 2.6 and 7.8 µg/mL, respectively. The effect of several surfactants employed during nanoparticles preparation was not detrimental to the method. The proposed procedure can be successfully applied to directly quantify acetone from nanoparticles suspensions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Drug delivery systems | |
| 650 | 4 | |a UV-Vis spectroscopy | |
| 650 | 4 | |a acetone | |
| 650 | 4 | |a central composite design | |
| 650 | 4 | |a residual solvents | |
| 650 | 7 | |a Drug Carriers |2 NLM | |
| 650 | 7 | |a Solvents |2 NLM | |
| 650 | 7 | |a Acetone |2 NLM | |
| 650 | 7 | |a 1364PS73AF |2 NLM | |
| 700 | 1 | |a Casañas Pimentel, Rocio Guadalupe |e verfasserin |4 aut | |
| 700 | 1 | |a San Martin Martinez, Eduardo |e verfasserin |4 aut | |
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