Pseudo-zwitterionic microvesicles for sustained urea release

Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea c...
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Autor*in:	Bibi Iram [verfasserIn] Kousar Tasleem [verfasserIn] Shah Syed W.H. [verfasserIn] Rehman Wajid [verfasserIn] Ali Farman [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	controlled-release surfactant vesicles fertilizer

Übergeordnetes Werk:	In: Journal of the Serbian Chemical Society - Serbian Chemical Society, 2017, 85(2020), 4, Seite 493-503
Übergeordnetes Werk:	volume:85 ; year:2020 ; number:4 ; pages:493-503

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.2298/JSC190822135B

Katalog-ID:	DOAJ038529157

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520			\|a Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea concentration was related to urea entrapment efficiency and release from microvesicles. Korsmeyer–Peppas model was applied to highlight release mechanism and kinetics. Both diffusion and erosion were responsible for urea release and rate constant varied with change in conditions. The quantification of association between urea and catanionic vesicles in terms of binding constant (Kbin) and binding free energy showed that urea binding was thermodynamically favored. Our results indicate that biocompatible pseudo-zwitterionic vesicles have enormous potential to act as sustained release system for nitrogenous fertilizers such as urea.
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spelling	10.2298/JSC190822135B doi (DE-627)DOAJ038529157 (DE-599)DOAJ652dc8c32bf746ccbd9841b947e14ff5 DE-627 ger DE-627 rakwb eng QD1-999 Bibi Iram verfasserin aut Pseudo-zwitterionic microvesicles for sustained urea release 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea concentration was related to urea entrapment efficiency and release from microvesicles. Korsmeyer–Peppas model was applied to highlight release mechanism and kinetics. Both diffusion and erosion were responsible for urea release and rate constant varied with change in conditions. The quantification of association between urea and catanionic vesicles in terms of binding constant (Kbin) and binding free energy showed that urea binding was thermodynamically favored. Our results indicate that biocompatible pseudo-zwitterionic vesicles have enormous potential to act as sustained release system for nitrogenous fertilizers such as urea. controlled-release surfactant vesicles fertilizer Chemistry Kousar Tasleem verfasserin aut Shah Syed W.H. verfasserin aut Rehman Wajid verfasserin aut Ali Farman verfasserin aut In Journal of the Serbian Chemical Society Serbian Chemical Society, 2017 85(2020), 4, Seite 493-503 (DE-627)324742363 (DE-600)2030173-X 18207421 nnns volume:85 year:2020 number:4 pages:493-503 https://doi.org/10.2298/JSC190822135B kostenfrei https://doaj.org/article/652dc8c32bf746ccbd9841b947e14ff5 kostenfrei http://www.doiserbia.nb.rs/img/doi/0352-5139/2020/0352-51391900135B.pdf kostenfrei https://doaj.org/toc/0352-5139 Journal toc kostenfrei https://doaj.org/toc/1820-7421 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 85 2020 4 493-503
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source	In Journal of the Serbian Chemical Society 85(2020), 4, Seite 493-503 volume:85 year:2020 number:4 pages:493-503
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callnumber-first	Q - Science
author	Bibi Iram
spellingShingle	Bibi Iram misc QD1-999 misc controlled-release misc surfactant vesicles misc fertilizer misc Chemistry Pseudo-zwitterionic microvesicles for sustained urea release
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topic_title	QD1-999 Pseudo-zwitterionic microvesicles for sustained urea release controlled-release surfactant vesicles fertilizer
topic	misc QD1-999 misc controlled-release misc surfactant vesicles misc fertilizer misc Chemistry
topic_unstemmed	misc QD1-999 misc controlled-release misc surfactant vesicles misc fertilizer misc Chemistry
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title	Pseudo-zwitterionic microvesicles for sustained urea release
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title_full	Pseudo-zwitterionic microvesicles for sustained urea release
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title_sort	pseudo-zwitterionic microvesicles for sustained urea release
callnumber	QD1-999
title_auth	Pseudo-zwitterionic microvesicles for sustained urea release
abstract	Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea concentration was related to urea entrapment efficiency and release from microvesicles. Korsmeyer–Peppas model was applied to highlight release mechanism and kinetics. Both diffusion and erosion were responsible for urea release and rate constant varied with change in conditions. The quantification of association between urea and catanionic vesicles in terms of binding constant (Kbin) and binding free energy showed that urea binding was thermodynamically favored. Our results indicate that biocompatible pseudo-zwitterionic vesicles have enormous potential to act as sustained release system for nitrogenous fertilizers such as urea.
abstractGer	Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea concentration was related to urea entrapment efficiency and release from microvesicles. Korsmeyer–Peppas model was applied to highlight release mechanism and kinetics. Both diffusion and erosion were responsible for urea release and rate constant varied with change in conditions. The quantification of association between urea and catanionic vesicles in terms of binding constant (Kbin) and binding free energy showed that urea binding was thermodynamically favored. Our results indicate that biocompatible pseudo-zwitterionic vesicles have enormous potential to act as sustained release system for nitrogenous fertilizers such as urea.
abstract_unstemmed	Zwitterionic microvesicles formed by catanionic system, based on sodium dodecyl sulfate and hexadecyltrimethyl ammonium bromide, have been investigated for sustained urea release using UV–visible absorption spectroscopy. The change in variables such as temperature, sonication time and initial urea concentration was related to urea entrapment efficiency and release from microvesicles. Korsmeyer–Peppas model was applied to highlight release mechanism and kinetics. Both diffusion and erosion were responsible for urea release and rate constant varied with change in conditions. The quantification of association between urea and catanionic vesicles in terms of binding constant (Kbin) and binding free energy showed that urea binding was thermodynamically favored. Our results indicate that biocompatible pseudo-zwitterionic vesicles have enormous potential to act as sustained release system for nitrogenous fertilizers such as urea.
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container_issue	4
title_short	Pseudo-zwitterionic microvesicles for sustained urea release
url	https://doi.org/10.2298/JSC190822135B https://doaj.org/article/652dc8c32bf746ccbd9841b947e14ff5 http://www.doiserbia.nb.rs/img/doi/0352-5139/2020/0352-51391900135B.pdf https://doaj.org/toc/0352-5139 https://doaj.org/toc/1820-7421
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author2	Kousar Tasleem Shah Syed W.H. Rehman Wajid Ali Farman
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doi_str	10.2298/JSC190822135B
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up_date	2024-07-03T18:27:18.947Z
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Pseudo-zwitterionic microvesicles for sustained urea release

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