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lipidic emulsion

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https://www.readbyqxmd.com/read/28101467/some-qualitative-and-rheological-properties-of-virgin-olive-oil-apple-vinegar-salad-dressing-stabilized-with-xanthan-gum
#1
Solmaz Abedinzadeh, Mohammadali Torbati, Sodeif Azadmard-Damirchi
Purpose: Lipid oxidation and rheological properties are the main qualitative parameters determined in food emulsions. Salad dressings are food emulsions important in our daily diet, but conventional salad dressings have high amounts of cholesterol and saturated fatty acids because of egg yolk in their formulations. There are many studies on the modification of salad dressing formulations to replace egg yolk and saturated fats. The present study describes new formulation of salad dressing with olive oil and apple vinegar to produce a functional food product...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28099175/two-for-one-a-case-report-of-intravenous-lipid-emulsion-to-treat-local-anesthetic-systemic-toxicity-in-term-pregnancy
#2
Jonathan Dun-Chi Lin, Eellan Sivanesan, Terese T Horlocker, Andres Missair
Combined spinal-epidural (CSE) analgesia is a frequently used method of labor analgesia. Although it is considered safe and effective, CSE can be complicated by local anesthetic systemic toxicity (LAST), a potentially life-threatening condition. We present a case of LAST that developed in a primigravida 50 minutes after uneventful placement of a CSE. Her symptoms resolved within 10 minutes of administering intralipid emulsion. She subsequently underwent cesarean delivery under spinal anesthesia for failure to progress without sequelae in the mother or infant...
January 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28098869/core%C3%A2-shell-lipid-polymer-nanoparticles-for-combined-chemo%C3%A2-and-gene-therapy-of-childhood-head-and-neck-cancers
#3
Tiesong Zhang, Jing Ma, Chao Li, Ken Lin, Fan Lou, Hongchao Jiang, Yingqin Gao, Yanli Yang, Cheng Ming, Biao Ruan
Pediatric head and neck cancers account for overall 12% of all pediatric cancers. Despite recent advances in therapeutic modalities, children with tumor metastasis have poor prognosis. Therefore, there is an unmet need for new and effective treatment modalities for pediatric head and neck cancers. The present study describes a simple and efficient method for fabrication of cationic lipid‑polymer hybrid nanoparticles (CLPNs) for co‑delivery of cisplatin (CDDP) and DNA (CDDP/DNA CLPNs) for the therapy of childhood head and neck cancers...
January 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28090475/use-of-omega-3-polyunsaturated-fatty-acids-to-treat-inspissated-bile-syndrome-a-case-report
#4
Woo Young Jun, Min Jeng Cho, Hye Seung Han, Sun Hwan Bae
Inspissated bile syndrome (IBS) is a rare condition in which thick intraluminal bile, including bile plugs, sludge, or stones, blocks the extrahepatic bile ducts in an infant. A 5-week-old female infant was admitted for evaluation of jaundice and acholic stool. Diagnostic tests, including ultrasound sonography, magnetic resonance cholangiopancreatography, and a hepatobiliary scan, were not conclusive. Although the diagnosis was unclear, the clinical and laboratory findings improved gradually on administration of urodeoxycholic acid and lipid emulsion containing omega-3 polyunsaturated fatty acids (PUFAs) for 3 weeks...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28080053/lipid-drug-conjugate-for-enhancing-drug-delivery
#5
Danielle Irby, Chengan Du, Feng Li
Lipid-drug conjugates (LDCs) are drug molecules that have been covalently modified with lipids. The conjugation of lipids to drug molecules increases lipophilicity and also changes other properties of drugs. The conjugates demonstrate several advantages including improved oral bioavailability, improved targeting to the lymphatic system, enhanced tumor targeting, and reduced toxicity. Based on the chemical nature of drugs and lipids, various conjugation strategies and chemical linkers can be utilized to synthesize LDCs...
January 12, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28079735/incidence-of-local-anesthetic-systemic-toxicity-in-orthopedic-patients-receiving-peripheral-nerve-blocks
#6
Eva E Mörwald, Nicole Zubizarreta, Crispiana Cozowicz, Jashvant Poeran, Stavros G Memtsoudis
BACKGROUND AND OBJECTIVES: Peripheral nerve blocks are increasingly used. However, despite low complication rates, concerns regarding local anesthetic systemic toxicity remain. Although recent studies suggest that this severe complication has decreased considerably, there is a paucity of data about it on a national level. We sought to elucidate the incidence of local anesthetic systemic toxicity on a national level and therefore provide guidance toward the need for preparedness in daily anesthetic practice...
January 9, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28078385/glucose-and-fatty-acids-synergistically-and-reversibly-promote-beta-cell-proliferation-in-rats
#7
Valentine S Moullé, Kevin Vivot, Caroline Tremblay, Bader Zarrouki, Julien Ghislain, Vincent Poitout
AIMS/HYPOTHESIS: The mechanisms underlying pancreatic islet mass expansion have attracted considerable interest as potential therapeutic targets to prevent or delay the onset of type 2 diabetes. While several factors promoting beta cell proliferation have been identified, in the context of nutrient excess the roles of glucose or NEFA in relation to insulin resistance remain unclear. Here we tested the hypothesis that glucose and NEFA synergistically and reversibly promote beta cell proliferation in the context of nutrient-induced insulin resistance...
January 11, 2017: Diabetologia
https://www.readbyqxmd.com/read/28075214/intralipid-vehicle-does-not-interfere-with-the-efficacy-of-progesterone-in-attenuating-edema-following-tbi
#8
Bushra Wali, Donald Stein, Iqbal Sayeed
The recent disappointing results of Phase 3 trials for progesterone (PROG) in traumatic brain injury (TBI) have triggered speculation about reasons for the negative outcomes. One confounding factor may have been the vehicle used to administer PROG. Virtually all of the many preclinical experiments informing the clinical trials and reporting beneficial PROG effects used more soluble 2-hydroxypropyl-b-cyclodextrin (HBC) as a vehicle given intraperitoneally or subcutaneously rather than a lipid formulation given intravenously (i...
January 11, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28074943/the-influence-of-flaxseed-gum-on-the-microrheological-properties-and-physicochemical-stability-of-whey-protein-stabilized-%C3%AE-carotene-emulsions
#9
Duoxia Xu, Yameng Qi, Xu Wang, Xin Li, Shaojia Wang, Yanping Cao, Chengtao Wang, Baoguo Sun, Eric Decker, Atikorn Panya
The impact of flaxseed gum (FG) on the microrheological properties and physicochemical stability of whey protein isolate (WPI) stabilized β-carotene emulsions at pH 3.0 was studied. A layer-by-layer electrostatic deposition method was used to prepare multilayered β-carotene emulsions with interfacial membranes consisting of WPI and FG. The microrheological behavior of the multilayered β-carotene emulsions was measured through the diffusive wave spectroscopy technique. WPI alone and WPI-FG (concentration of FG = 0...
January 11, 2017: Food & Function
https://www.readbyqxmd.com/read/28071802/essential-oils-against-pathogen-and-spoilage-microorganisms-of-fruit-juices-use-of-versatile-antimicrobial-delivery-systems
#10
Valentina Trinetta, Mark T Morgan, John N Coupland, Umut Yucel
Essential oils (EO) are increasingly used as natural antimicrobial compounds, however the effect of delivery system to enhance their antimicrobial activity has not been widely studied. Limonene (0 to 10 μL/mL) was added to microbial suspensions (∼10(5) CFU/mL) of selected foodborne pathogens (Listeria monocytogenes Scott A, Salmonella enterica Typhimurium, Escherichia coli and Staphylococcus aureus), and spoilage microorganisms (Lactobacillus plantarum, Saccharomyces cerevisiae, and Candida albicans). S...
January 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28068766/membrane-adhesion-through-bridging-by-multimeric-ligands
#11
Omar Alexander Amjad, Bortolo Matteo Mognetti, Pietro Cicuta, Lorenzo Di Michele
Ligand/receptor multivalent interactions have been exploited to drive the self-assembly of nanoparticles, hard colloids, and more recently compliant units including emulsion droplets and lipid vesicles. In deformable liposomes, the formation of links between two membranes produces morphological changes depending on the amount of ligands in the environment. Here we study a proof-of-concept biosensing system in which single lipid vesicles adhere to a flat supported lipid bilayer, both decorated with membrane-anchored biotinylated receptors...
January 10, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28067963/wetting-and-adhesion-evaluation-of-cosmetic-ingredients-and-products-correlation-of-in-vitro-in-vivo-contact-angle-measurements
#12
P Capra, G Musitelli, P Perugini
OBJECTIVE: The aim of this work was to use the contact angle measurement in order to predict the behavior of ingredients and finished cosmetic products on skin to improve skin feel and product texture. METHOD: Different classes of cosmetic ingredients and formulations were evaluated. The contact angle measurements were carried out by the sessile drop methodusing an apparatus, designed and set up in laboratory. Glass, Teflon and human skin were the reference substrates...
January 9, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28065480/influence-of-different-intravenous-lipid-emulsions-on-fatty-acid-status-and-laboratory-and-clinical-outcomes-in-adult-patients-receiving-home-parenteral-nutrition-a-systematic-review
#13
Charis J Jones, Philip C Calder
BACKGROUND & AIMS: Intravenous lipid emulsions (IVLEs) are a key component in long-term home parenteral nutrition (HPN), providing energy and essential fatty acids (EFAs). Modification of the fatty acid (FA) composition of IVLEs may lead to changes in metabolic responses and cell and tissue function, providing opportunity for clinical improvements. Studies have suggested that, in place of conventional pure soybean oil (SO)-based IVLEs, which have a high omega-6 FA content, alternative IVLEs with different FA profiles may have beneficial effects...
December 31, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28063717/half-life-of-plasma-phytosterols-in-very-low-birth-weight-preterm-infants-on-routine-parenteral-nutrition-with-vegetable-oil-based-lipid-emulsions
#14
Daniele Pupillo, Alessio Correani, Chiara Biagetti, Rita D'Ascenzo, Manuela Simonato, Giovanna Verlato, Paola Cogo, Marco B L Rocchi, Virgilio P Carnielli
BACKGROUND: Phytosterols in vegetable oil (VO)-based lipid emulsions (LE) likely contribute to parenteral nutrition-associated cholestasis (PNAC) in preterm infants. No characterization of plasma phytosterol half-lives has been done in very low birth weight (VLBW) preterm infants receiving parenteral nutrition (PN) with LE. METHODS: In a prospective cohort study, 45 VLBW preterm infants who received PN underwent serial blood sample measurements of sitosterol (SITO), campesterol (CAMP), and stigmasterol (STIGM)...
December 30, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28052887/impact-of-human-milk-pasteurization-on-gastric-digestion-in-preterm-infants-a-randomized-controlled-trial
#15
Samira C de Oliveira, Amandine Bellanger, Olivia Ménard, Patrick Pladys, Yann Le Gouar, Emelyne Dirson, Florian Kroell, Didier Dupont, Amélie Deglaire, Claire Bourlieu
BACKGROUND: Holder pasteurization has been reported to modify human milk composition and structure by inactivating bile salt-stimulated lipase (BSSL) and partially denaturing some of its proteins, potentially affecting its subsequent digestion. OBJECTIVE: We sought to determine the impact of human milk pasteurization on gastric digestion (particularly for proteins and lipids) in preterm infants who were fed their mothers' own milk either raw or pasteurized. DESIGN: In a randomized controlled trial, 12 hospitalized tube-fed preterm infants were their own control group in comparing the gastric digestion of raw human milk (RHM) with pasteurized human milk (PHM)...
January 4, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28052307/ultrashort-bowel-syndrome-outcome-in-children-treated-in-a-multidisciplinary-intestinal-rehabilitation-unit
#16
Mariela Dore, Paloma Triana Junco, Ane Andres Moreno, Vanesa Nuñez Cerezo, Martha Romo Muñoz, Alba Sánchez Galán, Alejandra Vilanova Sánchez, Gerardo Prieto, Esther Ramos, Francisco Hernandez, Leopoldo Martínez Martínez, Manuel Lopez Santamaria
Aim Short bowel syndrome (SBS) is the leading cause of intestinal failure (IF) in the pediatric population. Our aim was to review long-term outcome of ultrashort bowel syndrome (USBS) in an Intestinal Rehabilitation Unit (IRU). Patients and Methods Retrospective study of patients with USBS (defined as < 10 cm of remnant small bowel) treated between 2000 and 2015. Demographic data, clinical, and treatment variables including parenteral nutrition (PN), surgical techniques, and intestinal transplantation (IT) were analyzed...
January 4, 2017: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28044232/lipid-emulsions-containing-medium-chain-triacylglycerols-blunt-bradykinin-induced-endothelium-dependent-relaxation-in-porcine-coronary-artery-rings
#17
Said Amissi, Julie Boisramé-Helms, Mélanie Burban, Sherzad K Rashid, Antonio J León-González, Cyril Auger, Florence Toti, Ferhat Meziani, Valérie B Schini-Kerth
Lipid emulsions for parenteral nutrition are used to provide calories and essential fatty acids for patients. They have been associated with hypertriglyceridemia, hypercholesterolemia, and metabolic stress, which may promote the development of endothelial dysfunction in patients. The aim of the present study was to determine whether five different industrial lipid emulsions may affect the endothelial function of coronary arteries. Porcine coronary artery rings were incubated with lipid emulsions 0.5, 1, or 2% (v/v) for 30 min before the determination of vascular reactivity in organ chambers and the level of oxidative stress using electron paramagnetic resonance...
January 2, 2017: Lipids
https://www.readbyqxmd.com/read/28043185/hyaluronic-acid-coated-cationic-nanostructured-lipid-carriers-for-oral-vincristine-sulfate-delivery
#18
Xuan Gao, Jun Zhang, Qiang Xu, Zun Huang, Yiyue Wang, Qi Shen
The goal of this research is to structure a hyaluronic acid modified nanostructured lipid carrier (HA-NLCs) for vincristine sulfate (VCR) delivery, and detect its efficiency to improve the oral bioavailability. Emulsion solvent evaporation method was used to prepare the HA-NLCs nanoparticles. The particle size, zeta potential and entrapment efficiency of VCR-NLCs and HA-NLCs were 187 ± 3.52 nm, -8.61 ± 1.29 mV, 33.12 ± 1.16% and 192 ± 4.41 nm, -32.82 ± 2.64 mV, 34.41 ± 2.21%, respectively. HA-NLCs could significantly improve the cellular uptake efficiency and cytotoxicity in MCF-7 cells than other VCR formulations...
January 3, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28040877/existence-bifurcation-and-geometric-evolution-of-quasi-bilayers-in-the-multicomponent-functionalized-cahn-hilliard-equation
#19
Keith Promislow, Qiliang Wu
Multicomponent bilayer structures arise as the ubiquitous plasma membrane in cellular biology and as blends of amphiphilic copolymers used in electrolyte membranes, drug delivery, and emulsion stabilization within the context of synthetic chemistry. We present the multicomponent functionalized Cahn-Hilliard (mFCH) free energy as a model which allows competition between bilayers with distinct composition and between bilayers and higher codimensional structures, such as co-dimension two filaments and co-dimension three micelles...
December 31, 2016: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/28034361/formulation-and-optimization-of-candesartan-cilexetil-nano-lipid-carrier-in-vitro-and-in-vivo-evaluation
#20
Anjan Paudel, EmptyYN Y Ameeduzzafar, Syed Sarim Imam, Abdul Hafeez, Mohd Fazil, Shahroz Khan, Farhan Jalees Ahmad, Asgar Ali
PURPOSE: The objective of this study was to formulate and optimize Candesartan Cilexetil (CC) loaded nanostructured lipid carriers (NLCs) for enhanced oral bioavailability. METHOD: Glycerol monostearate (GMS), Oleic acid, Tween 80 and Span 40 were selected as a solid lipid, liquid lipid, surfactant and co- surfactant, respectively. The CC-NLCs were prepared by hot emulsion probe sonication technique and optimized using experimental design approach. The formulated CC-NLCs were evaluated for various physicochemical parameters and further optimized formulation (CC-NLC-Opt) was assessed for in-vivo pharmacokinetic and pharmacodynamic activity...
December 30, 2016: Current Drug Delivery
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