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N-3 emulsion

Mahsa Mazloomi-Rezvani, Mehdi Salami-Kalajahi, Hossein Roghani-Mamaqani
Different core-shell nanoparticles with Au as core and stimuli-responsive polymers such as poly(acrylic acid) (PAA), poly(methacrylic acid) (PMAA), poly(N-isopropylacrylamide) (PNIPAAm), poly(N,N'-methylenebis(acrylamide)) (PMBA), poly(2-hydroxyethyl methacrylate) (PHEMA) and poly((2-dimethylamino)ethyl methacrylate) (PDMAEMA) as shells were fabricated via inverse emulsion polymerization. Dynamic light scattering (DLS) was used to investigate particles sizes and particle size distributions and transmission electron microscopy (TEM) was applied to observe the core-shell structure of Au-polymer nanoparticles...
March 13, 2018: Colloids and Surfaces. B, Biointerfaces
N De Neve, B Vlaeminck, F Gadeyne, E Claeys, P Van der Meeren, V Fievez
Previously, polyunsaturated fatty acids (PUFA) from linseed oil were effectively protected (>80%) against biohydrogenation through polyphenol-oxidase-mediated protein crosslinking of an emulsion, prepared with polyphenol oxidase (PPO) extract from potato tuber peelings. However, until now, emulsions of only 2 wt% oil have been successfully protected, which implies serious limitations both from a research perspective (e.g. in vivo trials) as well as for further upscaling toward practical applications. Therefore, the aim of this study was to increase the oil/PPO ratio...
March 16, 2018: Animal: An International Journal of Animal Bioscience
Andrea Leonardi, Elisabeth M Messmer, Marc Labetoulle, Mourad Amrane, Jean-Sébastien Garrigue, Dahlia Ismail, Maite Sainz-de-la-Maza, Francisco C Figueiredo, Christophe Baudouin
BACKGROUND/AIM: To assess the treatment effect of 0.1%ciclosporin A cationic emulsion (CsA CE) versus vehicle on signs/symptoms of dry eye disease (DED) in various subgroups (moderate-to-severe DED/severe DED/Sjögren's syndrome (SS)/SS with severe DED). METHODS: Pooled data were analysed from two similar phase III studies: SICCANOVE (moderate-to-severe DED) and SANSIKA (severe DED with severe keratitis). In both studies, patients aged ≥18 years received CsA CE 0...
March 15, 2018: British Journal of Ophthalmology
Dan Zhang, Yan-Bo Ren, Huan-Gan Wu, Yan-Ting Yang, Li-Jie Wu, Ji Zhang, Zheng Shi, Xiao-Peng Ma
OBJECTIVE: To observe the effect of different-doses of herbal cake-partitioned moxibustion (Moxi) on histopathological changes of the damaged colon tissue in rats with ulcerative colitis (UC), so as to select an optimal dosage of Moxi in the treatment of UC. METHODS: Sixty-three male Sprague Dawley (SD) rats were randomized into 7 groups: normal control, model, medication, and 1, 2, 3 and 4 moxa-cone Moxi ( n =9 rats per group). The UC model was developed by subcutaneous injection of emulsion (1 mL) containing colon mucosa-prepared protein suspension and complete Freund's adjuvant into the toes, groin and back...
February 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
Meredith A Baker, Paul D Mitchell, Alison A O'Loughlin, Alexis K Potemkin, Lorenzo Anez-Bustillos, Duy T Dao, Gillian L Fell, Kathleen M Gura, Mark Puder
BACKGROUND: The purpose of this study was to characterize fatty acid profiles (FAPs) in parenteral nutrition (PN)-dependent infants with intestinal failure-associated liver disease (IFALD) receiving soybean oil-based lipid emulsion (SO) doses of ∼3 and ∼1 g/kg/d. METHODS: Prospectively collected data were retrospectively reviewed. Serum FAPs of patients <1 year old who experienced development of IFALD while receiving standard PN with SO were examined before transitioning to a fish oil-based lipid emulsion for IFALD treatment...
January 2018: JPEN. Journal of Parenteral and Enteral Nutrition
F M Kpodo, J K Agbenorhevi, K Alba, I N Oduro, G A Morris, V Kontogiorgos
The emulsifying characteristics of pectins isolated from six different okra genotypes were investigated and their structure-function relationships have been evaluated. Emulsion formation and stabilization of acidic oil-in-water emulsions (pH 2.0, φ  = 0.1) were studied by means of droplet size distribution, ζ -potential measurements, viscometry, interfacial composition analysis and fluorescence microscopy. Fresh and aged emulsions differed in terms of droplet size distribution, interfacial protein and pectin concentrations (Γ) depending on the molecular properties of pectin that was used...
2018: Food Biophysics
Frederic Deschamps, Kathleen R Harris, Laurence Moine, Weiguo Li, Lambros Tselikas, Thomas Isoardo, Robert J Lewandowski, Angelo Paci, Nicolas Huang, Thierry de Baere, Riad Salem, Andrew C Larson
PURPOSE: Biodegradable polylactic-co-glycolic acid (PLGA) nanoparticles can adsorb at the water/oil interface to stabilize the emulsion (forming Pickering-emulsion). The purpose of this study was to compare the release profiles of oxaliplatin from Pickering-emulsion and Lipiodol-emulsion. MATERIALS/METHODS: Pickering-emulsions and Lipiodol-emulsions were both formulated with oxaliplatin (5 mg/mL) and Lipiodol (water/oil ratio: 1/3). For Pickering-emulsion only, PLGA nanoparticles (15 mg/mL) were dissolved into oxaliplatin before formulation...
February 21, 2018: Cardiovascular and Interventional Radiology
Reju George Thomas, Myeong Ju Moon, Suchithra Poilil Surendran, Hyeong Ju Park, In-Kyu Park, Byeong-Il Lee, Yong Yeon Jeong
PURPOSE: Paclitaxel (PTX) loaded hydrophobically modified glycol chitosan (HGC) micelle is biocompatible in nature, but it requires cancer targeting ability and stimuli release property for better efficiency. To improve tumor retention and drug release characteristic of HGC-PTX nanomicelles, we conjugated cancer targeting heptamethine dye, MHI-148, which acts as an optical imaging agent, targeting moiety and also trigger on-demand drug release on application of NIR 808 nm laser. PROCEDURES: The amine group of glycol chitosan modified with hydrophobic 5β-cholanic acid and the carboxyl group of MHI-148 were bonded by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide/N-hydroxysuccinimide chemistry...
February 15, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
Pierre-Jean Pisella, Marc Labetoulle, Serge Doan, Beatrice Cochener-Lamard, Mourad Amrane, Dahlia Ismail, Catherine Creuzot-Garcher, Christophe Baudouin
Purpose: The objective of this study was to report the evaluation of efficacy and safety of cyclosporine A cationic emulsion (CsA CE) 0.1% for the treatment of severe keratitis in adults with dry eye disease (DED) in a French early-access program. Methods: Patients with DED and severe keratitis (corneal fluorescein staining [CFS] score of 3-5 on the Oxford scale and/or the presence of corneal lesions [filaments or ulcers]) were enrolled in a compassionate use program (Authorization for Temporary Use [ATU]) for once-daily CsA CE, which was approved by French health authorities prior to its registration...
2018: Clinical Ophthalmology
Ruiyi Li, Ling Liu, Haiyan Zhu, Zaijun Li
The paper reports synthesis of gold-palladium nanowaxberries(AuPd NWs)/dodecylamine-functionalized graphene quantum dots(D-GQDs)-graphene micro-aerogel(GMA). D-GQDs was used as a solid particle surfactant for stabilizing Pickering emulsion of toluene-in-graphene oxide aqueous dispersion. Graphene oxide sheets in the aqueous phase are reduced by hydrazine hydrate, diffused into the toluene droplet and self-assembled into graphene oxide micro-gels. Followed by freeze-drying, thermal annealing and hybridized with AuPd NWs...
May 30, 2018: Analytica Chimica Acta
Erick Saldaña, Raúl Siche, Jair Sebastião da Silva Pinto, Marcio Aurélio de Almeida, Miriam Mabel Selani, Juan Rios-Mera, Carmen J Contreras-Castillo
This study aims to optimize simultaneously the lipid profile and instrumental hardness of low-fat mortadella. For lipid mixture optimization, the overlapping of surface boundaries was used to select the quantities of canola, olive, and fish oils, in order to maximize PUFAs, specifically the long-chain n-3 fatty acids (eicosapentaenoic-EPA, docosahexaenoic acids-DHA) using the minimum content of fish oil. Increased quantities of canola oil were associated with higher PUFA/SFA ratios. The presence of fish oil, even in small amounts, was effective in improving the nutritional quality of the mixture, showing lower n-6/n-3 ratios and significant levels of EPA and DHA...
February 2018: Journal of Food Science and Technology
Ariane Peyret, Emmanuel Ibarboure, Jean-François Le Meins, Sebastien Lecommandoux
Lipid membrane asymmetry plays an important role in cell function and activity, being for instance a relevant signal of its integrity. The development of artificial asymmetric membranes thus represents a key challenge. In this context, an emulsion-centrifugation method is developed to prepare giant vesicles with an asymmetric membrane composed of an inner monolayer of poly(butadiene)-b-poly(ethylene oxide) (PBut-b-PEO) and outer monolayer of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC). The formation of a complete membrane asymmetry is demonstrated and its stability with time is followed by measuring lipid transverse diffusion...
January 2018: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
Luis Vitetta, Joyce Zhou, Rachel Manuel, Serena Dal Forno, Sean Hall, David Rutolo
The administration of biological compounds that optimize health benefits is an ever-evolving therapeutic goal. Pharmaceutical and other adjunctive biological compounds have been administered via many different routes in order to produce a systemic pharmacological effect. The article summarizes the findings from an Australian comparative study in adults administered vitamin B12 through different oral delivery platforms. A total of 16 subjects (9 males, 7 females) voluntarily partook in a comparative clinical study of five different vitamin B12 formulations across a six-month period, completing 474 person-hours of cumulative contribution, that was equivalent to an n = 60 participation...
January 21, 2018: Journal of Functional Biomaterials
Inmaculada Gómez, María Victoria Sarriés, Francisco C Ibañez, María José Beriain
Olive and linseed oils have high contents of oleic acid and n-3 fatty acids (FA), respectively. Vitamin D3 , an essential nutrient, is in low contents in meat. This study investigated the potential application of olive and linseed oils' mixture as a backfat replacer, and vitamin D3 as a supplement, in order to develop a product enriched by polyunsaturated FAs and vitamin D3 . Two treatments were manufactured: conventional (C: 0% emulsion, 0 μg vitamin D3 /100 g product) and modified (M: 10.9% emulsion/, 8...
January 19, 2018: Journal of Food Science
Renji Bian, Ruizhi Lin, Guilin Wang, Gang Lu, Weiqiang Zhi, Shanglin Xiang, Tingwei Wang, Paul S Clegg, Dongyu Cai, Wei Huang
MXene is an emerging class of 2D materials exfoliated from ternary carbide and nitride ceramics. The exfoliation process, which is an acid etching approach, functionalizes the MXene surface with -OH, -O and -F groups. These functional groups offer significant opportunities for tuning the colloidal properties of the MXene nanoblocks; importantly, this tunability points the way towards a facile route for assembling these nanoblocks into 3D architectures that are in demand for many applications. This route, presented for the first time here, uses water/oil interfaces for assembling Ti3C2-MXene in 3D architectures...
January 19, 2018: Nanoscale
Chunyan Zhang, Jianxin Luo, Lijuan Ou, Yinghui Lun, Songtao Cai, Bonian Hu, Guipeng Yu, Chunyue Pan
We demonstrated an environmentally friendly one-step soap-free emulsion polymerization strategy to develop fluorescent carbazole-based copolymer monodisperse microspheres for highly sensitive and selective detection of Fe3+. The copolymer microspheres feature a stable spherical morphology with a narrow size distribution through regulating N-vinylcarbazole (NVCz) content (1.25~10.0wt.%). Notably, the as-made microspheres exhibit a strong luminescence, and well-turnable emission intensity and specific surface area...
December 30, 2017: Chemistry: a European Journal
Alexandra Boivin, Mélanie Burban, Raphaël Clere-Jehl, Pierrick Le Borgne, Hamid Merdji, Cyril Auger, Valérie Schini-Kerth, Ferhat Meziani, Julie Helms
INTRODUCTION: Long chain n-3 fatty acid supplementation may modulate septic shock-induced host response to pathogen-induced sepsis. The composition of lipid emulsions for parenteral nutrition however remains a real challenge in intensive care, depending on their fatty acid content. Because they have not been assessed yet, we aimed at determining the respective effects of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) during septic shock-induced vascular dysfunction. METHODS: In a peritonitis-induced septic shock model, rats were infused with EPA, DHA, an EPA/DHA mixture or 5% dextrose (D5) during 22 hours...
2017: PloS One
Kaifan Liang, Lirong Wang, Yuqing Su, Mengyang Liu, Rui Feng, Yanzhi Song, Yihui Deng
The markers are the "revealers" of accelerated blood clearance (ABC) phenomenon. PEGylated nanocarriers labeled with various markers have been used to explore the mechanism of ABC. However, different markers were labeled on different nanocarriers, and the influence of different markers on ABC phenomenon is questionable. In this study, tocopheryl nicotinate (TN), N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)-1,2-dihexadecanoyl-sn-glycero-3-phosphoethanolamine, triethylammonium salt (NBD-DPPE), and 1,1'-dioctadecyl-3,3,3',3'-tetra-methylindotricarbocyanine iodide (DiR) were selected as markers...
December 13, 2017: European Journal of Pharmaceutical Sciences
Lei Zhou, Zeyong Yang, Xianfu Lu, Xingxing Li, Xiaohu An, Jing Chai, Qiling Yang, Shikai Yan, Yuanhai Li
Isoflurane can provide both neuroprotection and neurotoxicity in various culture models and in rodent developing brains. Emulsified Isoflurane (EI) is an emulsion formulation of isoflurane, while its underlying molecular mechanism of developemental nerve toxicity largely remains unclear. We hypothesized that EI induced fetal neural stem cells (FNSCs) apoptosis, endoplasmic reticulum (ER) stress and c-Jun N-terminal kinase (JNK) activation. FNSCs were isolated from the cortex of SD rats during 14 days of gestation...
November 7, 2017: Oncotarget
Rupin N Parikh, Harpal S Sandhu, Giacomina Massaro-Giordano, Scott M Goldstein, Joan M OʼBrien
PURPOSE: To describe a case of reactive lymphoid hyperplasia (RLH) of the conjunctiva responding to cyclosporine immunosuppressant monotherapy. METHODS: A 66-year-old man with a 2-year history of biopsy-proven bilateral RLH presented for dry eye evaluation with chief complaints of burning, stinging, and irritation in both eyes. After slit-lamp examination and positive findings of matrix metalloproteinase 9 in the patient's tear film, he was diagnosed with meibomian gland dysfunction and tear-insufficiency dry eye disease...
November 10, 2017: Cornea
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