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Oils (3):
Recent article
Oils
Abstract
Contact dermatitis to cutting fluids is a very frequent cause of occupational skin disease, with different mechanisms for those caused by irritation or allergies. The different allergens in question are many and complex. Different batteries of patch tests are available but the interpretation of the r...
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PMID: 21546338
PDF is available here.
PDF is available here.
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Abstract
This study describes the potential for occupational exposure to organophosphates (OPs) originating from turbine and hydraulic oils, among ground personnel within the aviation industry. The OPs tri-n-butyl phosphate (TnBP), dibutyl phenyl phosphate (DBPP), triphenyl phosphate (TPP) and tricresyl phos...
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PMID: 20949195
PDF is available here.
PDF is available here.
Bioresource Technology (101)23 2010
Abstract
High purity hydrogen (>95%) was produced at 600 degrees C and 1 atm by steam reforming of waste cooking oil at a molar steam to carbon ratio of 4 using chemical looping, a process that features redox cycles of a Ni catalyst with the in-situ carbonation/calcination of a CO(2) sorbent (dolomite) in a...
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PMID: 20655199
PDF is available here.
PDF is available here.
Abstract
The formulation of water dispersible nanopermethrin was investigated for its larvicidal property. Nanopermethrin was prepared using solvent evaporation of oil in water microemulsion, which was obtained by mixing an organic and aqueous phase. The mean particle size of nanodispersion in water was 151...
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PMID: 20833431
PDF is available here.
PDF is available here.
Waste Management (30)10 2010
Abstract
Anaerobic digestion is applied widely to treat the source collected organic fraction of municipal solid wastes (SC-OFMSW). Lipid-rich wastes are a valuable substrate for anaerobic digestion due to their high theoretical methane potential. Nevertheless, although fat, oil and grease waste from sewage...
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PMID: 20400285
PDF is available here.
PDF is available here.
Journal of Ethnopharmacology (130)3 2010
Abstract
To evaluate the burn wound-healing properties of oil extraction from housefly larva by employing a deep second-degree model in mice.
The burn wound-healing properties were evaluated by employing a deep second-degree model of burn wound assay. The anti-inflammatory activity and antibacterial activity...
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PMID: 20595019
PDF is available here.
PDF is available here.
Abstract
A simple methodology for the determination of the fatty acid composition of edible oils through (1)H NMR is proposed. The method is based on the fact that all fatty acid chains are esterified to a common moiety, glycerol, and the quantification is done directly in the (1)H NMR spectra through the re...
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PMID: 20589730
PDF is available here.
PDF is available here.
Abstract
There is a lack of fundamental knowledge about the scale up of biosurfactant production. In order to develop suitable technology of commercialization, carrying out tests in shake flasks and bioreactors was essential. A reactor with integrated foam collector was designed for biosurfactant production...
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PMID: 20084470
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
Particulate matter (PM) emission from residual oil combustion typically consists of carbonaceous material accompanied by inorganic matter notably transition metal sulfates. Often a minor sulfide form is found in the coarse fraction while an oxide form is more common in the fine and ultrafine fractio...
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PMID: 20202749
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
We investigated the evaporative drying by immersion in hot oil (EDIHO) method for drying sludge. This involved heating oil to a temperature higher than that needed for moisture to be evaporated from the sludge by turbulent heat and mass transfer. We fry-dried sewage and leather plant sludge for 10 m...
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PMID: 20153108
PDF is available here.
PDF is available here.
Medical Mycology (48)4 2010
Abstract
We identified aminopiperidine derivatives which exhibit antifungal activities against the major pathogenic yeasts. Thin layer chromatography (TLC) analysis of the extracted non-saponifiable lipids from Candida albicans showed that these compounds inhibited the ergosterol production in the late step...
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PMID: 20392153
PDF is available here.
PDF is available here.
Abstract
Mean VAS scores for daily ease of administration of MCT oil and film strips were significantly higher than scores for gelatin capsules at all time points, except on days 2, 4, and 7. There was no difference between MCT oil and film strip formulation scores. Mean VAS scores were 8.8 (MCT oil), 8.9 (f...
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PMID: 20513174
PDF is available here.
PDF is available here.
Abstract
We used satellite image analysis to determine land cover changes in the area from 1974 to 2001. Our results indicate that tropical forest and mangroves presented the most extensive losses in its coverage. In contrast, urban areas and induced grassland increased considerably. In 2001 more than half o...
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PMID: 20527459
PDF is available here.
PDF is available here.
Lab On a Chip (10)10 2010
Abstract
A droplet-based bioreaction microsystem has been developed with automated droplet generation and confinement. On-chip electronic sensing is employed to track the position of the droplets by sensing the oil/aqueous interface in real time. The sensing signal is also used to control the pneumatic suppl...
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PMID: 20445885
PDF is available here.
PDF is available here.
Abstract
Ellipsometry was employed to study the adsorption to the hexadecane-water interface of the simple non-ionic hydrocarbon surfactant C(10)E(8) and the two milk proteins beta-casein and beta-lactoglobulin, as well as the competitive adsorption of each protein with the surfactant. The interfacial excess...
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PMID: 20428538
PDF is available here.
PDF is available here.
Abstract
We showed for hexagonal and emulsified micellar phase particles that the increase of the stabilizer content induced a strong decrease of the mean hydrodynamic size of the particles, allowing producing nanostructured lipid-based liquid crystalline particles down to a radius of 70 nm at the same energ...
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PMID: 20143786
PDF is available here.
PDF is available here.
Abstract
Self-diffusion NMR is used to investigate monodispersed oil in water emulsions and the subsequent gel formed by removing the water through evaporation. The radius of the oil droplets in the emulsions is measured using a number of diffusion methods based on the measurement of the mean squared displac...
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PMID: 20369894
PDF is available here.
PDF is available here.
Abstract
Three different ionic liquids, 1-ethyl-3-methylimidazolium tetrafluoroborate, [EMIM][BF(4)]; 1-butyl-3-methylimidazolium trifluoromethanesulfonate, [BMIM][OTf]; and 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide [bmpyrr][NTf(2)] were studied as electrolytes in the electroanalytical...
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PMID: 20188895
PDF is available here.
PDF is available here.
Abstract
An in vitro digestion model mimicking the gastric phase of the human gastrointestinal tract coupled with SDS-PAGE and MALDI-TOF mass spectroscopy was employed to study the hydrolysis profiles of whey proteins in solution and adsorbed at the oil-water interface. The objective of this work was to unde...
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PMID: 20116801
PDF is available here.
PDF is available here.
Abstract
OBJECTIVE: To determine the O/W partition coefficient of panax pseudo-ginseng saponin (PNS) and investigate the absortion kinetics of it in whole small intestine and different intestinal segments of rats. METHOD: The shake-flask method was employed to determine the O/W partition co-efficient of geni...
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PMID: 20617676
PDF is available here.
PDF is available here.
Bioresource Technology (101)7 2010
Abstract
The immobilization of Pseudomonas stutzeri using adsorption on different inorganic supports was studied in relation to the number of adsorbed cells, metabolic activity and biodesulfurization (BDS). The electrophoretic migration (EM) measurements and Tetrazolioum (TTC) method were used to evaluate ad...
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PMID: 20034786
PDF is available here.
PDF is available here.
Bioresource Technology (101)7 2010
Abstract
The biosurfactant production of a marine actinobacterium Brevibacterium aureum MSA13 was optimized using industrial and agro-industrial solid waste residues as substrates in solid state culture (SSC). Based on the optimization experiments, the biosurfactant production by MSA13 was increased to three...
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PMID: 19959354
PDF is available here.
PDF is available here.
Diabetes forecast (63)4 2010
Abstract
Abstract
The objective of this study was to evaluate the environmental behavior of different types of automotive lubricant oils. Based on respirometry assays the biodegradability was monitored, and toxicological tests were executed to assess the lubricants toxicity before and after microbial activity. Used o...
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PMID: 20179900
PDF is available here.
PDF is available here.
Archives of Oral Biology (55)4 2010
Abstract
We investigated the interaction occurring between oil-in-water emulsion droplets, stabilized by different emulsifiers, i.e. lysozyme and beta-lactoglobulin (beta-lg), and salivary proteins (SPs) with a molecular mass (M(r)) above about 10kDa. Different techniques, i.e. infrared spectroscopy, Western...
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PMID: 20197185
PDF is available here.
PDF is available here.
Abstract
A solvent-free analytical approach based on headspace solid-phase microextraction (SPME) of oil matrices heated at high temperatures coupled to gas chromatography with mass spectrometry detector (GC-ion trap) has been developed for the determination of phthalic acid esters (PAEs) in oil matrices wit...
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PMID: 20152455
PDF is available here.
PDF is available here.
Abstract
A field-scale experiment was carried out to compare the effectiveness of five plant species in the remediation of oily sludge. Alfalfa, tall fescue, and soybean substantially increased the removal rate of oil and grease (O&G) after 120 days of remediation. Of these, soybean treatment showed the high...
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PMID: 20734621
PDF is available here.
PDF is available here.
Abstract
Sparingly, water-soluble drugs such as candesartan cilexetil offer challenges in developing a drug product with adequate bioavailability. The objective of the present study was to develop and characterize self-microemulsifying drug delivery system (SMEDDS) of candesartan cilexetil for filling into h...
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PMID: 20013081
PDF is available here.
PDF is available here.
Abstract
A self-microemulsifying drug delivery system (SMEDDS) has been developed to enhance diffusion rate and oral bioavailability of valsartan. The solubility of valsartan was checked in different oils, surfactants, and cosurfactants and ternary phase diagrams were constructed to evaluate the microemulsio...
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PMID: 20182825
PDF is available here.
PDF is available here.
Military Medicine (175)3 2010
Abstract
After 90 sec, 100% of subjects were decontaminated. CONCLUSION: Whereas the data suggest the possibility of rapid water-only decontamination, the applicability of this data in current form is doubtful, but provides a model as a basis for future study....
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PMID: 20358708
PDF is available here.
PDF is available here.
Ugeskrift for laeger (172)3 2010
Abstract
We report a case of a 24-year-old male bodybuilder who self-injected one litre of paraffin oil in each arm. Hazard notice and advice to bodybuilders with potential risk attitude or "reverse anorexia" are warranted....
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PMID: 20089216
PDF is available here.
PDF is available here.
Abstract
A direct aqueous supercritical fluid extraction (SFE) system using carbon dioxide provides a sustainable means by which a vast range of industries may continue to depend on well established infrared (IR) techniques to determine oil-in-water. The SFE-IR method provides an environmentally friendly sub...
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PMID: 21174980
PDF is available here.
PDF is available here.
Abstract
We developed a method for delivering RU486, the conditional activator of Cre recombinase progesterone receptor (CrePR) fusion proteins to the lung and then examined the activity of three keratin-driven CrePR constructs in the conducting airways. We also developed a technique for survival bronchioalv...
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PMID: 20140084
PDF is available here.
PDF is available here.
Science progress (93)Pt 3 2010
Abstract
With the world facing depletion of its oil reserves, attention is being focused on how the plastics industry will address shortages and price increases in its crucial raw materials. One renewable resource is that of vegetable oils and fats and about a dozen crop plants make up the main vegetable oil...
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PMID: 21047019
PDF is available here.
PDF is available here.
Abstract
This research investigated the effects of co- and counter-current flow patterns on oil-water-solid separation efficiencies of a circular separator with inclined coalescence mediums. Oil-water-solid separations were tested at different influent concentrations and flowrates. Removal efficiencies incre...
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PMID: 20818055
PDF is available here.
PDF is available here.
Abstract
This chapter gives an overview of current methods for the isolation of biosurfactant producing microbes. The common screening methods for biosurfactants are presented. Sampling and isolation of bacteria are the basis for screening of biosurfactant producing microbes. Hydrocarbon-contaminated sites a...
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PMID: 20545270
PDF is available here.
PDF is available here.
La Medicina del lavoro (101)4 2010
Abstract
Electrostatic filters are widely used in applications requiring high filtration efficiency and low pressure drop. However various studies showed that the penetration through electrostatic filters increases during exposure to an aerosol flow.
This study investigates the effects of prolonged exposure...
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PMID: 21090128
PDF is available here.
PDF is available here.
Optics Express (17)23 2009
Abstract
We present a new method to study flow of liquids near solid surface: Total internal reflection fluorescence cross-correlation spectroscopy (TIR-FCCS). Fluorescent tracers flowing with the liquid are excited by evanescent light, produced by epi-illumination through the periphery of a high numerical a...
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PMID: 19997354
PDF is available here.
PDF is available here.
Abstract
The apparent n-octanol-buffer partition coefficients of andrographolide and dehydroandrographolide are influenced by pH, and the higher pH may decrease the apparent n-octanol-buffer partition coefficients of them. Andrographolide has the highest partition coefficient in pH6, and dehydroandrogapholid...
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PMID: 20112729
PDF is available here.
PDF is available here.
Abstract
We report on the interfacial properties of electrostatic complexes of protein (sodium caseinate) with a highly sulfated polysaccharide (dextran sulfate). Two routes were investigated for preparation of adsorbed layers at the n-tetradecane-water interface at pH = 6. Bilayers were made by the layer-by...
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PMID: 19459686
PDF is available here.
PDF is available here.
Abstract
The solubility of acid soluble soy protein (ASSP) is poor in the pH range of 4-7. ASSP-dextran conjugates were prepared through the Maillard reaction to increase the solubility and/or dispersibility of ASSP. By using the conjugates and ultrasonication emulsification, stable oil-in-water emulsions wi...
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PMID: 19485394
PDF is available here.
PDF is available here.
Abstract
We performed scanning microbeam small-angle X-ray diffraction (micro-SAXD) experiments, differential scanning calorimetry (DSC) analysis, and optical microscopic observation of palm mid fraction (PMF) crystals in oil-in-water emulsion droplets. The scanning micro-SAXD experiment was performed by irr...
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PMID: 19588887
PDF is available here.
PDF is available here.
Abstract
The practice of blending cheap palm oil with more expensive oils is currently rampant owing to the increased global price of oil and the price gap between types of oils. This adulteration poses a serious threat to the trade of edible oil and negatively affects consumers. The aim of this study was to...
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PMID: 19627088
PDF is available here.
PDF is available here.
Abstract
We describe a universal mechanism for merging multiple aqueous microdroplets within a flowing stream consisting of an oil carrier phase. Our approach involves the use of both a pillar array acting as a passive merging element, as well as built-in electrodes acting as an active merging element. The p...
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PMID: 19715363
PDF is available here.
PDF is available here.
Abstract
The gas-particle partitioning of primary organic aerosol (POA) emissions from a diesel engine and the combustion of hard- and soft-woods in a stove was investigated by isothermally diluting them in a smog chamber or by passing them through a thermodenuder and measuring the extent of evaporation. The...
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PMID: 19673261
PDF is available here.
PDF is available here.
Abstract
Treatment of dense nonaqueous phase liquid (DNAPL) source zones using suspensions of reactive iron particles relies upon effective transport of the nano- to submicrometer scale iron particles within the subsurface. Recognition that poor subsurface transport of iron particles results from particle-pa...
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PMID: 19673307
PDF is available here.
PDF is available here.
Abstract
We determined whether the catechins supplement may reduce cooking-oil-fumes-induced acute lung injury in rat. In the urethane-anesthetized Wistar rat subjected to 30-120 min of cooking-oil-fumes exposure, blood ROS significantly increased in the recovery stage. After 30-min cooking-oil-fumes exposur...
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PMID: 19777801
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to test the effectiveness of physically acting substances (oils and silicas) and plant preparations for the control of the poultry red mite Dermanyssus gallinae (De Geer 1778). Reproduction and survival of fed D. gallinae females were evaluated in vitro for a total of 168 h...
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PMID: 19229641
PDF is available here.
PDF is available here.
Abstract
Improvement in physical stability of solid dispersions was attributed to hydrogen bonding, while improvement in bioavailability of SDCAGA compared to SDCAP, in spite of comparable solubility and dissolution profile, may be attributed to Gelucire, which utilizes intestinal esterase for lipolysis, pro...
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PMID: 19505364
PDF is available here.
PDF is available here.
Abstract
The anaerobic biodegradability of municipal primary sludge, thickened waste activated sludge (TWAS), and fat, oil, and grease (FOG) was assessed using semi-continuous-feed, laboratory-scale anaerobic digesters and compared with the ultimate degradability obtained from 120-day batch digestion at 35 d...
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PMID: 19472939
PDF is available here.
PDF is available here.
Abstract
We studied the linkage between organic acids (malate and citrate) and proton exudations in cluster roots of P-deficient white lupin. After the illumination started, citrate exudation increased transiently and reached a maximum after 5 h. This effect was accompanied by a strong acidification of the e...
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PMID: 19183296
PDF is available here.
PDF is available here.
Abstract
An Aersol-OT (AOT) included microemulsion containing fluorouracil was prepared by using appropriate proportion of oil, co-surfactant and water for increasing the drug transdermal delivery ability. According to the area of microemulsion basing on the pseudo-tertiary phase diagrams, the optimum formul...
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PMID: 19618733
PDF is available here.
PDF is available here.
Bioresource Technology (100)9 2009
Abstract
In this study, gas chromatography-mass spectrometry (GC-MS) was used to analyze the pyrolytic bio-oils and gas fractions derived from the pyrolysis of industrial sewage sludges using induction-heating technique. The liquid products were obtained from the cryogenic condensation of the devolatilizatio...
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PMID: 19136255
PDF is available here.
PDF is available here.
Abstract
We report information regarding the structure at the interface between hexadecane and an aqueous solution of trimethyl tetradecyl ammonium bromide (C14TAB) with appropriate deuterium labeling. We also report the role of the headgroup size and the charge on structures at the oil-water interface by co...
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PMID: 19714822
PDF is available here.
PDF is available here.
Abstract
We report the creation of air/oil/water interfaces with variable-thickness oil films using polyisobutylene-based (PIB) surfactants cospread with long-chain paraffinic alkanes on clean water surfaces. The resultant stable oil layers are readily measurable with simple surface techniques, exhibit physi...
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PMID: 19714829
PDF is available here.
PDF is available here.
Abstract
Experiments were carried out to study the biodegradability of pollutants from cooking fumes by active sludge domestication. The result indicated that temperature was the most important factor affecting biodegradation, and under the optimum conditions, the concentration of the pollutants from cooking...
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PMID: 18974913
PDF is available here.
PDF is available here.
Abstract
An alkaline lipase from Trichosporon asahii MSR 54 was used to develop presoak formulation for removing oil stains at ambient temperature. The lipase was produced in a reactor followed by concentration by ultrafiltration and then it was dried with starch. The biochemical characteristics of enzyme sh...
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PMID: 19165516
PDF is available here.
PDF is available here.
Abstract
A series of the solid emulsion gels with the oil volume fraction in the range of 0-50% were synthesized through a polycondensation reaction between activated p-nitrophenyl carbonate poly(ethylene glycol) and protein-stabilized oil-in-water emulsions. The resultant structures were investigated in ter...
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PMID: 18949537
PDF is available here.
PDF is available here.
Abstract
The basic objectives of this study were to prepare and characterize solid dispersions of poorly soluble drug spironolactone (SP) using gelucire carriers by spray-drying technique. The properties of the microparticles produced were studied by differential scanning calorimetry (DSC), scanning electron...
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PMID: 18821154
PDF is available here.
PDF is available here.
Abstract
A novel on-line technique for stacking and sweeping of long sample plugs with simultaneous determination of charged analytes in the plant (protocatechuic aldehyde, rosmarinic acid, danshensu, salvianolic acid B, and protocatechuic acid) by the nonionic microemulsion electrokinetic chromatography (ME...
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PMID: 19062218
PDF is available here.
PDF is available here.