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https://www.readbyqxmd.com/read/28396683/preparation-and-neutralization-efficacy-of-igy-antibodies-raised-against-deinagkistrodon-acutus-venom
#1
Jinhua Liu, Qiyi He, Wenwen Wang, Bin Zhou, Bo Li, Yingfeng Zhang, Cong Luo, Diancheng Chen, Jia Tang, Xiaodong Yu
BACKGROUND: The five-paced pit viper (Deinagkistrodon acutus), endemic to China and northern Vietnam, is responsible for most snakebites in the Chinese territory. Antivenom produced from horses is the main treatment for snakebites, but it may cause numerous clinical side effects and have other disadvantages involved in their production such as the welfare of animals. The present study was conducted aiming to develop an alternative antibody (IgY) from the egg yolk of leghorn chickens immunized with snake venom...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28374734/-the-isolation-of-organic-compounds-from-hydrosulfuric-mineral-waters-with-the-use-of-the-extractive-freezing-out-technique-with-centrifugation
#2
V N Bekhterev, E A Kabina
The mineral waters, enriched with organic substances find extensive application in balneotherapy. The fast and efficient methods for the identification and quantitative measurement of organic compounds (in the first place, organic acids) in such waters need to be developed for the estimation of their quality and biological activity. AIM: The objective of the present study was to elaborate a gas chromatographic method for the determination of monobasic carbonic acids in sulfide-containing mineral waters by means of extractive freezing-out in combination with the application of the centrifugal forces for the elucidation of the metrological characteristics of the compounds of interest...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28367228/upgrading-syngas-fermentation-effluent-using-clostridium-kluyveri-in-a-continuous-fermentation
#3
Sylvia Gildemyn, Bastian Molitor, Joseph G Usack, Mytien Nguyen, Korneel Rabaey, Largus T Angenent
BACKGROUND: The product of current syngas fermentation systems is an ethanol/acetic acid mixture and the goal is to maximize ethanol recovery. However, ethanol currently has a relatively low market value and its separation from the fermentation broth is energy intensive. We can circumvent these disadvantages of ethanol production by converting the dilute ethanol/acetic acid mixture into products with longer carbon backbones, which are of higher value and are more easily extracted than ethanol...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28366804/effect-of-surfactant-chain-length-on-drug-release-kinetics-from-microemulsion-laden-contact-lenses
#4
Furqan A Maulvi, Ankita R Desai, Harsh H Choksi, Rahul J Patil, Ketan M Ranch, Bhavin A Vyas, Dinesh O Shah
The effect of surfactant chain lengths [sodium caprylate (C8), Tween 20 (C12), Tween 80 (C18)] and the molecular weight of block copolymers [Pluronic F68 and Pluronic F 127] were studied to determine the stability of the microemulsion and its effect on release kinetics from cyclosporine-loaded microemulsion-laden hydrogel contact lenses in this work. Globule size and dilution tests (transmittance) suggested that the stability of the microemulsion increases with increase in the carbon chain lengths of surfactants and the molecular weight of pluronics...
March 31, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28363857/oil-in-water-microemulsions-stabilized-by-3-n-n-dimethylalkylammonio-propanesulfonate-surfactants-of-varying-alkyl-chain-length-solubilisation-of-testos-terone-propionate
#5
Chien-Ming Hsieh, Warangkana Warisnoicharoen, Raju K Patel, Farnoosh Kianfar, M Jayne Lawrence
Solubilisation of the poorly-water soluble drug, testosterone propionate, in co-surfactant-free, dilutable, oil-in-water microemulsions stabilized by zwitterionic surfactants of varying alkyl chain length, namely 3-(N,N-dimethyloctylammonio)propanesulfonate and 3-(N,N-dimethyldodecylammonio)propanesulfonate and containing one of four ethyl ester oils, has been investigated. Both 3-(N,N-dimethyloctylammonio)propanesulfonate and 3-(N,N-dimethyldodecylammonio)propanesulfonate-stabilized microemulsions containing two short chain length oils, ethyl butyrate and ethyl caprylate, while only 3-(N,N-dimethyldodecylammonio)propanesulfonate formed microemulsions incorporating the longer chain length oils, ethyl palmitate and ethyl oleate, albeit to a very much reduced extent...
March 29, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28356717/nanostructured-lipid-carriers-for-incorporation-of-copper-ii-complexes-to-be-used-against-mycobacterium-tuberculosis
#6
Mariana R Sato, João A Oshiro Junior, Rachel Ta Machado, Paula C de Souza, Débora L Campos, Fernando R Pavan, Patricia B da Silva, Marlus Chorilli
Tuberculosis (TB) is a disease caused by Mycobacterium tuberculosis. Cessation of treatment before the recommended conclusion may lead to the emergence of multidrug-resistant strains. The aim of this study was to develop nanostructured lipid carriers (NLCs) for use in the treatment of M. tuberculosis. The NLCs comprised the following lipid phase: 2.07% polyoxyethylene 40 stearate, 2.05% caprylic/capric triglyceride, and 0.88% polyoxyl 40 hydrogenated castor oil; the following aqueous phase: 3.50% poloxamer 407 (F1-F6), and 0...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28342136/molecular-basis-of-p450-oletje-an-investigation-of-substrate-binding-mechanism-and-major-pathways
#7
Juan Du, Lin Liu, Li Zhong Guo, Xiao Jun Yao, Jian Ming Yang
Cytochrome P450 OleTJE has attracted much attention for its ability to catalyze the decarboxylation of long chain fatty acids to generate alkenes, which are not only biofuel molecule, but also can be used broadly for making lubricants, polymers and detergents. In this study, the molecular basis of the binding mechanism of P450 OleTJE for arachidic acid, myristic acid, and caprylic acid was investigated by utilizing conventional molecular dynamics simulation and binding free energy calculations. Moreover, random acceleration molecular dynamics (RAMD) simulations were performed to uncover the most probable access/egress channels for different fatty acids...
March 25, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28323109/self-emulsifying-drug-delivery-systems-design-of-a-novel-vaginal-delivery-system-for-curcumin
#8
S Köllner, I Nardin, R Markt, J Griesser, F Prüfert, A Bernkop-Schnürch
AIM: The aim of this study was to develop a vaginal self-emulsifying delivery system for curcumin being capable of spreading, of permeating the mucus gel layer and of protecting the drug being incorporated in oily nanodroplets towards mucus interactions and immobilization. METHODS: The emulsifying properties of curcumin loaded SEDDS containing 30% Cremophor RH40, 20% Capmul PG-8, 30% Captex 300, 10% DMSO and 10% tetraglycol (SEDD formulation A) as well as 25% PEG 200, 35% Cremophor RH40, 20% Captex 355, 10% Caprylic acid and 10% Tween 80 (SEDD formulation B) after diluting 1+2 with artificial vaginal fluid were characterized regarding droplet size and zeta potential...
March 17, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28317774/development-of-an-up-grading-process-to-produce-mlm-structured-lipids-from-sardine-discards
#9
R Morales-Medina, M Munio, A Guadix, E M Guadix
The aim of the work was to produce MLM structured lipids with caprylic acid (M) as medium chain fatty acid located at the external bonds of the glycerol backbone and concentrated polyunsaturated fatty acids (L) from sardine discards (Sardine pilchardus) in the central bond of the glycerol. To that end, the following steps were conducted: (i) fish oil extraction, (ii) Omega-3 free fatty acids (FFA) concentration (low temperature winterization), (iii) two-steps enzymatic esterification and (iv) triacylglycerols (TAG) purification (liquid column chromatography)...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28304351/the-preparation-and-identification-of-a-monoclonal-antibody-against-citrinin-and-the-development-of-detection-via-indirect-competitive-elisa
#10
Shimuye Kalayu Yirga, Sumei Ling, Yanling Yang, Jun Yuan, Shihua Wang
Citrinin (CTN) is a hepato-nephrotoxic mycotoxin produced by fungi genera of Aspergillus, Monauscus, and Penicillium. CTN contaminates grains, fruits, juices and vegetables, and causes various toxic effects to humans and animals. It has small molecular weight, which is non-immunogenic to animals. Thus, CTN was conjugated to bovine serum albumin (BSA) and ovalbumin (OVA), respectively, by amide bonds using 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxysuccinimide (NHS). Mice were immunized with CTN-BSA conjugates, and spleen cells of the immunized mice were fused with Sp2/0 myeloma cells to obtain 21H27 hybriodoma cell...
March 17, 2017: Toxins
https://www.readbyqxmd.com/read/28298687/composition-of-volatile-aromatic-compounds-and-minerals-of-tarhana-enriched-with-cherry-laurel-laurocerasus-officinalis
#11
Hasan Temiz, Zekai Tarakçı
Different concentrations of cherry laurel pulp (0, 5, 10, 15 and 20%) were used to produce tarhana samples. Volatile aromatic compounds and minor mineral content were investigated. Volatile aromatic compounds were analyzed by using GC-MS with SPME fiber and minor mineral values were evaluated with inductively coupled plasma optical emission spectrometer. The statistical analysis showed that addition of pulp affected volatile aromatic compounds and minor mineral content significantly. Thirty five volatile aromatic compounds were found in tarhana samples...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28294552/two-complementary-methods-to-control-gnrh-vaccination-improvac%C3%A2-misuse-in-horseracing-elisa-test-in-plasma-and-steroidomics-in-urine
#12
Ludovic Bailly-Chouriberry, Benoit Loup, Marie-Agnès Popot, Marie-Laure Dreau, Patrice Garcia, Jean-François Bruyas, Yves Bonnaire
Since the availability on the European market of the vaccine Improvac® dedicated to male pig immunological castration, the risk of misuse of this product to horses is now considered as a threat for the horseracing industry. The immunological castration is not allowed by the racing codes (immune system, Article 6). Indeed, this vaccination against the hypothalamic hormone "Luteinising Hormone Releasing Hormone" (LHRH) or "Gonadotropin-Releasing Hormone" (GnRH) will prevent the release from the anterior pituitary of the Luteinising Hormone (LH) and the Follicle Stimulating Hormone (FSH), which are required for the development and activity of gonads in males (testes) and female (ovaries) and therefore all their subsequent physiological functions...
March 11, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28257952/in-vitro-immunomodulatory-effects-of-microemulsions-with-levamisole-delivery-systems-on-blood-phagocytes-interacting-with-giardia-lamblia
#13
Mara Rosa Gil Hernandes, Lucélia Campelo Albuquerque Moraes, Elton Brito Ribeiro, Danny Laura Gomes Fagundes, Adenilda Cristina Honorio-França, Eduardo Luzía França
BACKGROUND: Giardiasis is one of the main parasites that infect the gastrointestinal tract of humans, affecting hundreds of millions of people worldwide, particularly in developing countries. Antiparasitics administered to treat giardiasis are inefficient in 20% of the cases, usually because of parasite resistance and side effects. In this scenario, microemulsions are a promising pharmaceutical alternative as carriers of molecules with therapeutic action that stimulate the immune system...
February 28, 2017: Parasitology International
https://www.readbyqxmd.com/read/28250313/nutritional-evaluation-of-oleogel-made-from-micronutrient-rich-edible-oils
#14
Moumita Ghosh, Faruk Begg, Dipak K Bhattacharyya, Nilratan Bandyopadhya, Mahua Ghosh
The present study examined the nutritional properties of trans-free edible oleogels made from oil blends of rice bran and flaxseed in animal model. Oleogels were prepared by using mixture of palm stearin (PS) with cetyl laurate (CL) and palm stearin (PS) with cetyl caprylate (CC) as oleogelators. The oleogel samples were prepared with 15 weight % oleogelators (2:1 molar ratio of PS:CC or PS:CL) at 60°C with 1 hr constant stirring in blended oil. The prepared oleogel samples were subjected to DSC and XRD studies in order to evaluate their melting and crystal characteristics...
2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28213034/antimicrobial-treatments-to-control-listeria-monocytogenes-in-queso-fresco
#15
António Lourenço, Mary B Kamnetz, Camila Gadotti, Francisco Diez-Gonzalez
Queso fresco, is a Hispanic non-fermented cheese highly susceptible to contamination with L. monocytogenes. This research was aimed to determine the effect of GRAS antimicrobial ingredients to control L. monocytogenes. Antimicrobials included caprylic acid (CA), Nisaplin(®) (N, 2.5% nisin), a mixture of sodium lactate and sodium diacetate (SL/SD), Lactococcus lactis sbp. lactis DPC 3147, monolaurin, and lactic acid (LA). Batches of queso fresco curds were inoculated with 10(4) CFU/g and stored at 4 °C for three weeks...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28199856/predicting-solubilisation-features-of-ternary-phase-diagrams-of-fully-dilutable-lecithin-linker-microemulsions
#16
Mehdi Nouraei, Edgar J Acosta
Fully dilutable microemulsions (μEs), used to design self-microemulsifying delivery system (SMEDS), are formulated as concentrate solutions containing oil and surfactants, without water. As water is added to dilute these systems, various μEs are produced (water-swollen reverse micelles, bicontinuous systems, and oil-swollen micelles), without the onset of phase separation. Currently, the formulation dilutable μEs follows a trial and error approach that has had a limited success. The objective of this work is to introduce the use of the hydrophilic-lipophilic-difference (HLD) and net-average-curvature (NAC) frameworks to predict the solubilisation features of ternary phase diagrams of lecithin-linker μEs and the use of these predictions to guide the formulation of dilutable μEs...
June 1, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28194272/fatty-acid-content-in-epididymal-fluid-and-spermatozoa-during-sperm-maturation-in-dogs
#17
Daniel S Ramos Angrimani, Marcilio Nichi, João Diego A Losano, Cristina F Lucio, Gisele A Lima Veiga, Márcia V M Junqueira Franco, Camila I Vannucchi
BACKGROUND: During sperm maturation, there is a reorganization of fatty acids from plasmatic membrane of the spermatozoa, which allows higher membrane integrity and acquisition of sperm motility. However, the fatty acid profile during sperm maturation remains unclear in dogs. Thus, the aim of this study was to identify the fatty acids from the epididymal spermatozoa and plasma during the sperm maturation, and observed changes in the motility and plasmatic membrane parameters. Twenty one adult dogs were used, subsequently to bilateral orchiectomy and epididymal storage, sperm samples were collected from the different segments of the epididymis...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28178778/malvidin-3-glucoside-fatty-acid-conjugates-from-hydrophilic-toward-novel-lipophilic-derivatives
#18
Luís Cruz, Marta Guimarães, Paula Araújo, Ana Évora, Victor de Freitas, Nuno Mateus
This work describes the lipophilization reactions of malvidin 3-glucoside with different saturated fatty acid chain lengths using an enzymatic synthesis and the study of their physical-chemical and antioxidant properties. The lipophilic anthocyanins were obtained with satisfactory yields (22-40%) after column chromatography purifications, and they revealed the same appealing chromatic features of the parent anthocyanin. All of the compounds were characterized by mass spectrometry, confirming the regioselective acylation on the glucose moiety...
February 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28069208/ultrasound-pretreatment-as-a-novel-approach-for-intensification-of-lipase-catalyzed-esterification-of-tricaprylin
#19
Snehal B More, Jyotsna T Waghmare, Parag R Gogate
The current work deals with ultrasound assisted intensification of synthesis of tricaprylin based on the enzyme catalyzed reaction of caprylic acid and glycerol with novel approach of using ultrasound in only the initial stages of the reaction. Two types of immobilized lipases as Lipozyme RM (Rhizomucor miehei) and Novozym 435 (Candida antarctica) have been used in the work. The effect of ultrasonic conditions such as treatment time and power as well as the reaction conditions such as substrate molar ratio, reaction time and enzyme loading on the yield of tricaprylin has been investigated...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28025123/structured-dag-oil-ameliorates-renal-injury-in-streptozotocin-induced-diabetic-rats-through-inhibition-of-nf-%C3%AE%C2%BAb-and-activation-of-nrf2-pathway
#20
Kankana Das, Mahua Ghosh
Accumulating evidence suggested that inflammatory processes are involved in the development of diabetic nephropathy (DN). Here, we have tested the hypothesis that Caprylic Acid (Cy)-diacylglycerol (DAG) oil (Cy-DAG), a novel structurally formulated lipid with high nutritional value, ameliorated DN in streptozotocin (STZ)-induced diabetic rats through the anti-inflammatory mechanisms. Basic hematological, biochemical parameters, immunoblotting, immunofluorescence and flow cytometry analysis were performed to observe the anti-inflammatory potential of Cy-DAG oil...
February 2017: Food and Chemical Toxicology
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