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INDONESIA
Indonesian Journal of Chemistry
Published by Universitas Gadjah Mada
ISSN : 14119420     EISSN : 24601578     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Indonesian Journal of Chemistry is an International, peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry including applied chemistry. The journal is accredited by The Ministry of Research, Technology and Higher Education (RISTEKDIKTI) No : 21/E/KPT/2018 (in First Rank) and indexed in Scopus since 2012. Since 2018 (Volume 18), Indonesian Journal of Chemistry publish four issues (numbers) annually (February, May, August and November).
Arjuna Subject : -
Articles 21 Documents
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Search results for , issue "Vol 17, No 1 (2017)" : 21 Documents clear
Investigation of Effect of Adding Hydrophobically Modified Water Soluble Polymers on the Structure and Viscosity of Anionic Vesicle Dispersion Marco Sandjaja; Maria Lucia Ardhani Dwi Lestari
Indonesian Journal of Chemistry Vol 17, No 1 (2017)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.857 KB) | DOI: 10.22146/ijc.23619

Abstract

This present study was conducted to investigate the effect of adding hydrophobically modified end-capped (HM) polymers with various polyethylene oxide (PEO) chain lengths on the structure and viscosity of anionic vesicles dispersion. A pronounced increase in viscosity was observed upon adding small amount of such polymers. Based on the dynamic light scattering (DLS) and small angle neutron scattering (SANS) analysis, 10 to 30 polymer molecules per vesicles can reach maximum viscosity and where polymer molecules can interconnect the vesicles without disrupting their structure. In addition, the kinetic stability of the vesicle dispersion also enhanced. From the measurement of the electrical conductivity of the dispersion, it was observed that the presence of the PEO and polypropylene oxide (PPO) group could induce the permeability of the vesicle membrane by altering their internal structure. Controlling viscosity of vesicles dispersion without changing its structure is useful for the further application of vesicles system such as in drug delivery, cosmetics and biomedical.

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