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Dissertations / Theses on the topic 'Nanoemulsions preparation'

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1

Yu, Wei. "Development of an elongational-flow microprocess for the production of size-controlled nanoemulsions : application to the preparation of composite and hybrid polymeric microparticles." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAE027/document.

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L’objectif de ce travail fut de développer et d’étudier les performances d’un microprocédé basse pression à écoulement élongationnel pour la production de nanoémulsions polymérisables de tailles contrôlées et de distributions de taille étroites. Le diamètre des nanogouttelettes a pu être précisément ajusté dans la gamme 50-300 nm en modifiant simplement les paramètres de procédé : le débit réciproque au travers du micromélangeur, le nombre de cycles et la dimension caractéristique du microcanal. Les nanoémulsions produites furent, dans une seconde étape, polymérisées par voie thermique ou par
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2

Stowell, Yoshiko Katori. "Mechanistic study of nanoemulsion absorption and its application for permeation enhancement." Scholarly Commons, 2014. https://scholarlycommons.pacific.edu/uop_etds/139.

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Oil in water (o/w) nanoemulsion is a two-phase dispersed system in which the oil can incorporate poorly water soluble drugs to form a liquid dosage form. The enhancement of bioavailability with a use of nanoemulsion has often been reported empirically and speculated to be a result of the enhanced dissolution due to a larger surface area, however, the mechanism of nanoemulsion permeation was yet to be explored. The goal of this dissertation was to understand the mechanism of nanoemulsion permeation and to control permeation and bioavailability. The first objective was to delineate the effect of
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Al, Ayoub Yuosef. "Development of a Dry Powder Inhaler and Nebulised Nanoparticle-Based Formulations of Curcuminoids for the Potential Treatment of Lung Cancer. Development of Drug Delivery Formulations of Curcuminoids to the Lungs using Air Jet Milling and Sonocrystallisation Techniques for Dry Powder Inhaler Preparations; and Nanoemulsion and Microsuspension for Nebuliser Formulations." Thesis, University of Bradford, 2017. http://hdl.handle.net/10454/15324.

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4

Wu, Wan-hsun [Verfasser]. "Parenteral nanoemulsions : composition, preparation and cellular uptake / vorgelegt von Wan-hsun Wu." 2007. http://d-nb.info/984906304/34.

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5

Chang, Hong Bin, and 張弘濱. "Preparation of curcuminoid nanoemulsions from Curcuma longa Linnaeus and their inhibition mechanism on lung cancer cells." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/96242488543750340819.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>102<br>Turmeric (Curcuma longa L.), a kind of herbal medicine, is widely used as food additives for spicy taste and natural coloring. Recently, curcuminoids isolated from C. longa have been shown to possess several biological activities, including anti-inflammation and anti-cancer. The objectives of this study were to extract curcuminoid from C. longa, and prepare curcuminoid nanoemulsions for studying the inhibition mechanism on lung cancer cells (A549 and H460). Results showed that 99.5% ethanol could extract curcuminoid fraction containing bisdemethoxycurcumin, dem
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Wei-Te, Lee, and 李韋德. "Preparation of Tanshinone Nanoemulsions From Salvia Miltiorrhiza and Their Effects on Lung Cancer Cell and Tumor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/12118420404039598387.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>103<br>Danshen (Salvia miltiorrhiza) is a traditional Chinese herbal medicine reported to be effective in preventing cardiovascular and liver diseases. Tanshinone, a major class of functional compounds in S. miltiorrhiza, has been shown to possess anti-fibrotic, anti-cancer and antioxidant activity. The objectives of this study were to evaluate different extraction methods and determine tanshinones contents in S. miltiorrhiza by HPLC. In addition, tanshinones nanoemulsions were be prepared for studying the inhibition mechanism on A549 lung cancer cells in vitro and tu
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Ying-Jie, Tsai, and 蔡瑩潔. "Preparation of Catechin Nanoemulsions From Green Tea Leaf Waste and Their Inhibition Mechanism on Prostate Cancer Cells." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/47474975253370579671.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>103<br>Green tea is one of the most commonly consumed natural health beverages on Taiwan’s market, with the major functional component catechin being shown to possess several biological activities, including anti-oxidation, anti-cancer, and prevention of cardiovascular disease. Literature reports have shown that after tea drink-making, a substantial amount of catechins are still present in the waste, and thus through recovery of catechins the economic value of tea waste can be greatly enhanced. The objectives of this study were to determine the variety and content of
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8

Hsu, Hsiao-Chu, and 徐筱筑. "Preparation of Carotenoid Nanoemulsions From Lycium Barbarum L. and Their Effects on Colon Cancer Cells and Tumors." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/00676136848238592737.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>104<br>Lycium Barbarum L., a traditional Chinese herb widely used in Asian countries, has been demonstrated to possess vital biological activities such as prevention of liver- and lung-associated diseases as well as aged-related macular degeneration. Many reports have shown that the intake of Lycium Barbarum L. can be anti-oxidative and protective against inflammation, tumor, bacteria, and coronary heart disease, as well as immunity regulation. Unlike most drugs, Lycium Barbarum L. is quite safe and thus possesses a great potential to be developed as a botanic drug. M
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Yang, Chu-Ching, and 楊筑晴. "Preparation of coffee oil-based nanoemulsions and their inhibition effects on melanoma cells and UVA-induced skin damage." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/49238687136459156844.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>104<br>The coffee grounds generated as a waste byproduct after coffee-making have been recently developed as yarns used for manufacturing clothes. Research reports have shown that the lipid fraction of coffee grounds may prevent dermatitis and eczema as well as protect skin against ultraviolet B radiation by acting as an excellent emollient. These bioactivities may be attributed to the presence of fatty acids including linoleic acid, palmitic acid, oleic acid and stearic acid. In addition, algae oil contains a high amount of DHA, which may possess anti-cancer and anti
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10

Wu, Chi-Lien, and 吳姬戀. "Preparation, Characterization and Cytotoxicity Evaluation of the Tanshinone IIA Nanoemulsion." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/48609590386436436755.

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碩士<br>高雄醫學大學<br>藥學研究所<br>96<br>Tanshinone IIA, a derivative of phenanthrene-quinone, isolated from the widely used Chinese herbal medicine- Danshen, is one of the most bioactive components of Salvia miltiorrhiza Bunge. Due to its low aqueous solubility and limited membrane permeability, Tanshinone IIA absorption was extremely poor with an absolute bioavailability below 3.5%. The objective of our investigation was to develop a nanoemulsion formulation of tanshinone IIA that could improve its solubility, dissolution rate and evaluate the potential of anti-tumoral activity with the novel dosage f
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11

Lu, Pei-Shan, and 盧佩珊. "Preparation of Curcumin Nanoemulsion From Curcuma Longa Linnaeus and Its Bioavailability Determination." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/56527920707337493761.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>102<br>The major bioactive compound in Curcuma longa L. is curcumin, a kind of hydrophobic polyphenol. Many reports have demonstrated that curcumin is effective in anti-inflammation and anti-cancer, as well as protective against cardiovascular disease and nerve system. Thus, curcumin possesses a great potential to be developed as a botanic drug due to its high safety and biological activity. The objectives of this study were to prepare curcumin nanoemulsion and determine its bioavailability. Results showed that curcuminoids were effectively extracted with 99.5% ethano
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12

Chang, Chao-Kai, and 張釗愷. "Extraction of Osthole by Supercritical Fluid Method and Preparation of Its Nanoemulsion." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/91536312764789698338.

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碩士<br>中國醫藥大學<br>藥學系碩士班<br>99<br>This study’s purpose is to estimate using supercritical fluid for extracting Osthole from Cnidium monnieri, compare all those extraction factors and to optimize extraction factors. Use carbon dioxide as a supercritical fluid and estimate five extraction factors as co-solvent, number of extraction, pressure, stastic extraction time and temperature. Used high performance liquid chromatography to detect extraction effect, stastic phase is RP-C18 column and mobile phase MeOH: water=7:3, photo diode array detector set by max absorption wavelength 323 nm. Optimize Res
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13

Mao, Wenlin, and 毛文霖. "Purification and Application of Silk Protein and the Preparation of its Nanoemulsion." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/10572314245344765544.

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碩士<br>大葉大學<br>環境工程學系碩士班<br>99<br>Silk protein is a water-soluble poly peptide. A various molecular weight of silk proteins were obtained with different sample preparation. As indicated in the literature, silk protein was ability of inhibiting free radical, antioxidation, blocky ultraviolet sunlight that prevent the erosion of the skin; if also was the role of inhibition of tyrosinase activity and inhibition of the formation of melanin. However, the detail experimental evidences were rarely seen in the literature. The aim of this study was to develop a sample preparation protocol for extract
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14

Lu, I.-Chi, and 盧意淇. "Optimization of Preparation Condition for Glabridin Nanoemulsion by Collision-High Pressure Homogenization using Response Surface Methodology." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/78811636154536213950.

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碩士<br>大葉大學<br>生物產業科技學系<br>98<br>Nanoemulsion droplets size is in the range of 10-100 nm. Nanoemulsion was stable and easily absorbed through skin due to its miniaturized size. High pressure homogenization may be applicable to manufacture nanoemulsion products by providing great energy in a short time with a homogeneous flow to decrease particle size. In this study, the effects of oil (2-6%, w/w), surfactant (3-7%, w/w), and the homogenization pressure (70-130 MPa) on the particle size of emulsion were investigated using response surface methodology (RSM) with 3-factor-3-level Box-Behnken d
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15

Ho, Nai-Hsiang, and 何迺行. "Isolation of Carotenoids from Rhinacanthus nasutus (L.) kurz by Column Chromatography and Nanoemulsion Preparation for Bioavailability Determination." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/94421471170913777138.

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碩士<br>輔仁大學<br>食品科學系碩士班<br>103<br>Rhinacanthus nasutus (L.) kurz, a traditional Chinese herb, has been reported to possess several pharmacological functions including anti-cancer, anti-bacteria, anti-virus and antioxidant activities as well as reduction of blood lipid and sugar. Most recent reports on physiological studies with R. nasutus have mainly focused on naphthoquinone, however, some other functional components like carotenoids are less investigated, but may also play a vital role. The objectives of this study were to develop a preparative column chromatographic method for isolation of c
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