co-solvents
Optimisation of Oil Extraction from Quinoa Seeds with Supercritical Carbon Dioxide with Co-solvents
... and co-solvent, on supercriti- cal carbon dioxide extraction are ...pure CO 2 and CO 2 + selected co-solvents are ...of co-solvent to seed in an amount of 20% – methanol/ethanol ...
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Effect of Co Solvents on Transesterification of Refined Palm Oil in Supercritical Methanol
... the co-solvents on the reaction performance, various concentrations of hexane, benzene and toluene (10 to 50% v/v) were added along with palm oil and ...the co-solvents and palm oil (data not ...
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Recent progress on deep eutectic solvents in biocatalysis
... amounts of (1R, 2R)-2-MeSO (2-methylstyrene oxide) diols were produced when the diol-and triol-containing DESs were added into the buffer as co-solvents, while the effect of glycerol on the StEH1 catalysis ...
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primary batteries.pptx
... Lithium- Sulphur dioxide cell is an example of liquid cathode. The co-solvents used are acrylonitrile or propylene carbonate (or) mixture of the two with SO 2 in 50% by volume. It con[r] ...
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Subcritical Water Extraction of Bioactive Compounds from Ginger (Zingiber officinale Roscoe)
... adding co-solvents, temperature, time and particle size on extraction yield was investigated. Also the influence of ultrasonic and enzyme pretreatment was studied. Using 2% ethanol as co-solvent ...
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Electrokinetic Remediation and Its Combined Technologies for Removal of Organic Pollutants from Contaminated Soils
... or co-solvents into the soils and make them permeate deep into the soil, interact and combine with OPs and ultimately form migratory compounds through its physicochemical actions of desorption, chelation, ...
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MIXED CO-SOLVENCY CONCEPT: A PROMISING TOOL TO ENHANCE SOLUBILITY OF POOR SOLUBLE DRUG ACECLOFENAC
... of co-solvency method to increase the solubility of Aceclofenac as the drug candidate due to its poor ...hydrotropes, co solvents and water soluble solids were ...
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COMPARATIVE DISSOLUTION RATE STUDIES OF PIOGLITAZONE HCL LIQUID SOLID COMPACTS AND SOLID DISPERSION TABLETS
... different co-solvents (non-volatile solvents like propylene glycol (PG) and PEG400) and solid dispersion with PEG4000/ PEG6000 were prepared and the effect of several amounts of them on the ...
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Development of an Analytical Method for Spectrophotometric Estimation of Ketoprofen using mixed Co-solvency Approach
... mixed co- solvents containing 15% sodium citrate, 8% PEG 400 and 7% polyvinyl pyrolidine was found to be 12mg/ml whereas the solubility in distilled water was found to be ...mixed co-solvents ...
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SELF EMULSIFYING DRUG DELIVERY SYSTEM (SEDDS): A CONVENTIONAL AND ALTERNATIVE APPROACH TO IMPROVE ORAL BIOAVILABILITY
... surfactants, solvents and co-solvents/surfactants, can be used for the design of formulations in order to improve the oral absorption of highly lipophilic drug ...
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Extraction of Astaxanthin from H. pluvialis Using Deep Eutectic Solvents
... There are main culture media that has generally been used for the growth phase of H. pluvialis such as BG11, optimal Haematococcus medium (OHM), and Bold Basal medium (BBM) (Chekanov et al., 2014; J. Fábregas, Domínguez, ...
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Organic Solvents as Vehicles for Precipitating Liquid Embolics: A Comparative Angiotoxicity Study with Superselective Injections of Swine Rete Mirabile
... All animal experiments and handling were carried out in accordance with the national laws for animal protection and were approved by the Review Board for Care of Animals. Fifteen female swine were used for this study, 14 ...
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ENHANCEMENT OF SOLUBILITY OF ACECLOFENAC BY RECRYSTALLIZATION METHOD USING POLAR SOLVENTS
... An excess quantity of Aceclofenac (pure drug) was taken in 10ml of different solvents in a shaking water bath (100agitations/min) for 24 hr at room temperature. The solution was then passed through a Whatman ...
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Environmental factors in multiple sclerosis, focusing exposure to organic solvents
... Exposure. Exposure information was collected through a novel, self-administered questionnaire. Ten questions about occupa- tional exposure: engine oil, cutting oil, form oil, hydraulic oil, turbine oil, asphalt, drilling ...
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SOLVENT EFFECT ON STABILIZATION OF METFORMIN MICRO PARTICLES
... In antisolvent precipitation technique, an API is dissolved in certain water miscible organic solvent is mixed with an aqueous solution containing a surfactant. After mixing, the supersaturated solution leads to ...
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Stress in Electrodeposited Rhodium55-59
... The solvents used are often commercial grades of solvent naphtha and stress measure- ments made on rhodium solutions treated with various samples of these solvents sh[r] ...
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values were 180.87 mg·L -1 , 240 mg·L -1 and 275.27 mg·L -1 respectively. The results showed this melanin has a strong antioxidant activity, which suggested that this melanin can be used as a new antioxidant component in medicine or health products.
... The melanin was only soluble in alkaline solutions (NaOH solution and ammonia water), and insoluble in water, acid solvents and common organic solvents (ethyl acetate, chloroform, ethanol, acetone and ethyl ...
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Transport of K+ from Seawater Using Dibenzo-l8-crown-6 via Carbon Nanotube Based Pseudo Supported Liquid Membrane
... organic solvents of membrane were purchased from Merck (Darmstadt, ...These solvents were washed three times with deionized/distilled water to remove the stabilizers and aqueous soluble ...
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NOVEL SOLVENTS AND CHIRAL ELECTROPHILES IN BAYLIS- HILLMAN REACTION AND VERSATILE SYNTHETIC PROTOCOLS FOR C-C LINKED DISACCHARIDES AND 3-DEOXY SUGARS
... In conclusion, commercially available aprotic polar organic solvents are introduced as alternate solvents for the facile Baylis-Hillman reaction catalyzed by the standard[r] ...
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Development of processing conditions for organic photovoltaic devices
... halogenated solvents such as chlorobenzene (CB) and DCB, are used in polymer OPV devices due to their superior performance over other ...‘good’ solvents in terms of achieving the best lab-scale devices, ...
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