2013
DOI: 10.4314/tjpr.v12i3.5
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Characterization of Microemulsions Prepared using Isopropyl Palmitate with various Surfactants and Cosurfactants

Abstract: Purpose: To investigate the effect of various surfactants and cosurfactants, and their ratio on microemulsions prepared with isopropyl palmitate (IPP)Methods: Tween 20, 40, 60, and 80 were used separately as surfactant with methanol, ethanol,

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Cited by 17 publications
(19 citation statements)
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“…For preparation of the tested samples, the encapsulated yarrow oil was diluted directly in the culture broth, while the free yarrow oil was prepared as aqueous microemulsion containing 10% (w/w) ethanol and 1% (w/w) Tween 20 (Basheer, Noordin, & Ghareeb, 2013). For broth microdilution assay, 20 µL of microbial suspension (cultured at 37°C/24 h and diluted to yield 10 5 CFU/mL) was added to 180 µL of Muller-Hinton broth (MHB) containing various concentrations of free yarrow oil and encapsulated yarrow oil ranged from 2 to 2000 μg/mL in each well of microtiter plate (amount of encapsulated yarrow oil was based on encapsulation efficiency).…”
Section: Evaluation Of Antibacterial Activitymentioning
confidence: 99%
“…For preparation of the tested samples, the encapsulated yarrow oil was diluted directly in the culture broth, while the free yarrow oil was prepared as aqueous microemulsion containing 10% (w/w) ethanol and 1% (w/w) Tween 20 (Basheer, Noordin, & Ghareeb, 2013). For broth microdilution assay, 20 µL of microbial suspension (cultured at 37°C/24 h and diluted to yield 10 5 CFU/mL) was added to 180 µL of Muller-Hinton broth (MHB) containing various concentrations of free yarrow oil and encapsulated yarrow oil ranged from 2 to 2000 μg/mL in each well of microtiter plate (amount of encapsulated yarrow oil was based on encapsulation efficiency).…”
Section: Evaluation Of Antibacterial Activitymentioning
confidence: 99%
“…Faktor seperti nisbah surfaktan:kosurfaktan (S/KoS), panjang rantai kosurfaktan dan jenis rantai hidrokarbon fasa minyak dilaporkan mempengaruhi pembentukan mikroemulsi (Basheer et al 2013;Sripriya et al 2007). Contohnya, panjang rantai fasa minyak perlu sesuai dan mudah berinteraksi dengan panjang rantai surfaktan (Sripriya et al 2007).…”
Section: Pengenalanunclassified
“…Contohnya, panjang rantai fasa minyak perlu sesuai dan mudah berinteraksi dengan panjang rantai surfaktan (Sripriya et al 2007). Fasa minyak-air distabilkan apabila molekul surfaktan berupaya menyusun dengan membentuk lapisan filem yang mengurangkan tegangan permukaan seterusnya mendorong percampuran minyak dan air (Basheer et al 2013;Sripriya et al 2007). Penambahan kosurfaktan dalam penyediaan mikroemulsi adalah perlu untuk mengurangkan ketegangan fasa minyak-air, seterusnya meningkatkan pembentukan sistem mikroemulsi (Basheer et al 2013).…”
Section: Pengenalanunclassified
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