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113 articles for “concentration ratio”

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Research ArticleOpen accessAll words, across the recordCharacteristics of Collagen from Parrotfish (Chlorurus Sordidus), Tiger Grouper (Epinephelus Fuscoguttatus) and Pink Ear Emperor (Lethrinus Lentjan): Effect of Acetic Acid Concentration and Extraction TimeAsep Awaludin Prihanto, Abdul Aziz Jaziri, Mohammad D. Pratomo et al.The use of marine fish's skin waste such as parrotfish (Chlorurus sordidus), tiger grouper (Epinephelus fuscoguttatus), and pink ear emperor (Lethrinus lentjan) needs improvement to increase its economic value and sustainability. Therefore, this study aims to investigate the effect of fish skin to acetic acid ratio with different extraction times on the yield and characteristics of skin collagen obtained from … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 28 Jan 2022 · 6,679 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordElemental Composition and Concentration of Atmospheric Particulate Matter in KuwaitJasem M. Al-Awadhi, Anwar B. Al-HelalHourly PM10 and PM2.5 samples were simultaneously collected at 10 and 3 urban sites, respectively in Kuwait from March 2014 to February 2015, to study the air quality and heavy metals content and Total Petroleum Hydrocarbons (TPHs) in PM10 samples. The annual average concentrations of PM10 and PM2.5 were 152 and 97.3 μg/m3, respectively, with an average PM2.5/PM10 ratio of … …American Journal of Environmental Sciences, Vol. 13, Issue 1 · 18 Feb 2017 · 7,627 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordDevelopment of Curcumin Based Ophthalmic FormulationD. Anjana, K. Anitha Nair, N. Somashekara et al.Problem statement: Ophthalmic drug delivery system has been a major challenge due to the distinctive and unique anatomy of the eye. The use of phytochemicals for the application in ocular disease has not been investigated much, due to poor pharmacokinetics of phytochemical and hence poor therapeutic efficacy. Approach: Curcumin is one such phytochemical known for its medicinal properties, but its … …American Journal of Infectious Diseases, Vol. 8, Issue 1 · 24 Feb 2012 · 15,409 accessesView PDFCite