Determination of trilostane by hplc

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August undefined, 2024

WebA high-performance liquid chromatographic (HPLC) method for the determination of triclosan and triclocarban in cosmetic products was developed. Triclosan and triclocarban quantities in 168 of cosmetics were investigated and statistical analyzed with this method. The optimal condition are as follows: An Agilent SB-C8 analytical column (250 × 4. ... WebA high-performance liquid chromatographic (HPLC) method for the determination of triclosan and triclocarban in cosmetic products was developed. Triclosan and …

High-performance liquid chromatographic analysis of trilostane …

WebThus, plasma analysis is required to support in vivo studies in rats designed to maximise absorption. Two high-performance liquid chromatographic (HPLC) assays for trilostane … WebTrilostane inhibits synthesis of cortisol in dogs. It is a competitive inhibitor of 3-beta-hydroxysteroid dehydrogenate, which will interfere with the steps that lead to cortisol … chuntech industrial co ltd

High-performance liquid chromatographic analysis of …

WebMay 7, 2012 · Figure 2 shows a typical chromatogram of a working sample solution obtained under the optimized HPLC conditions described in the preceding. The amino-bonded silica packing has been widely used for the separation of carbohydrates. When used in the current study, it provided the required separation of sorbitol and glycerol from each other and … WebA trilostane assay was developed for analysis. Trilostane (Vetoryl) capsules were used as clinical controls. Forty-four medication packets containing trilostane (Vetoryl), prepared … WebWater samples were collected from each tank every 2–3 days (9/21 days in total) and trilostane concentrations in the water were measured by high-performance liquid chromatography (HPLC) with diode array detection (254 nm; Model 1100; Agilent Techologies, Santa Clara, CA). The HPLC was equipped with a Zorbax SB-C18 column … determine whether the graph is bipartite

High-performance liquid chromatographic determination …

Determination of triclosan in personal health care products by …

WebA trilostane assay was developed using reagents and chemicals of high-performance liquid chromatography (HPLC) analytical grade. An Agilent 1260 Infinity HPLC system (Santa Clara, California) equipped with a pump (model G7111A), an auto sampler (model G7129A), Kinetex C18 (150 4.6 mm, 5 μm particle size) column (Torrance, Cali- WebJan 1, 1984 · For quantitative analysis and for monitoring separations the mobile phase consisted of methanol--O.1 M formic acid (1:1) at a flow-rate of 2 ml/min. Both column … determine whether the functions are inversesWebJan 2, 2024 · For HPLC analysis, after grounding, the sample of tea, granule or extract was first dissolved in methanol to make a solution at the concentration of 25 mg/mL, sonicated for 20 min. and then centrifuged. Syrup was cleaned up using a Sep-Pak cartridge. Supernatant was collected and an aliquot was injected into HPLC. determine whether the function is periodic

"WebHigh pressure liquid chromatographic (HPLC) analysis of plasma taken over 8 h from ten normal male subjects medicated with 120 mg of trilostane revealed that the drug is rapidly metabolised into at least one metabolite, 17-keto trilostane. Both compounds were detected in the blood stream at concentr … " - Determination of trilostane by hplc

Determination of trilostane by hplc

Pharmaceutical Evaluation of Compounded Trilostane Products

WebJul 1, 2012 · Acceptance criteria for trilostane content were set at 90–105% LC, which is consistent with current United States Pharmacopoeia criteria for shelf life specification of a drug product. The 0 mg control batches were removed from further evaluation after determination of 0% trilostane content and were not included in the statistical analysis. WebJul 30, 2024 · Analytical method for the quantitative determination of EDTA in Cosmetics has been developed and validated by high-performance liquid chromatography (HPLC) with UV detection at wavelength 280 nm.

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WebOct 17, 2016 · The method was validated and all the factors influencing the separation and analysis were checked experimentally. The method ensures the separation of the five above-mentioned compounds with good resolutions in a relatively short run time. Accordingly, the proposed HPLC method can be applied for in-process and finished … WebDec 9, 2015 · Box-Behnken design was applied to optimize high performance liquid chromatography (HPLC) conditions for the simultaneous determination of potassium sorbate, sodium benzoate, carmoisine, allura red, ponceau 4R, and caffeine in commercial soft drinks. The experimental variables chosen were pH (6.0–7.0), flow rate (1.0–1.4 …

WebTrilostane ((4α,5α,17β)-3,17-dihydroxy-4,5-epoxyandrost-2-ene-2-carbonitrile); >= 98% HPLC; Trilostane has been used to evaluate its capability to regulate the sex-dependent differences in the lipopolysaccharide (LPS)-induced inflammatory responses of astrocytes; Trilostane inhibits the production WebThe selectivity of the method was assured by the on-line photodiode array detector. The identity of the triclosan peak was also confirmed by HPLC MS. The method was successfully applied to the determination of triclosan in commercially available health care products (deodorant stick, dentifrice gel, mouthrinse, toothpaste and handwash). All the ...

WebAug 15, 2024 · The determination of caffeine content in coffee products is routinely done by RPLC in commercial applications in order to guarantee purity and quality of ground … WebBrown et al. 4 describe an HPLC method for the determination of Trilostane and its 17-keto analogue using a silica-based Partisil column and a silica-based Phenyl/Corasil …

WebFeb 27, 2015 · A high-performance liquid chromatography–fluorescence detection (HPLC-FLD) method was developed and validated for choline quantification in foods. Samples were extracted by homogenizing in chloroform/methanol/water and hydrolyzing in HCl-acetonitrile. Choline was derivatized using 1-naphthyl isocyanate and quantified by HPLC …

WebApr 15, 2024 · The objective of this work was to develop and validate a rapid high performance liquid chromatography (HPLC) method for the quantitative analysis of fluorouracil (5-FU) in polymeric nanoparticles. ... c hunt artistWebGas chromatography (GC) and high-performance liquid chromatography (HPLC) coupled to different detectors, and in combination with different sample extraction methods, are most widely used for analysis of triazine herbicides in different environmental samples. Nowadays, many variations and modificati … determine whether the function is odd evenWebTrilostane has an IC 50 of ∼ 1.3 μM in inhibiting cortisol production from guinea pig dispersed adrenal cells stimulated with corticotrophin; ... A meta-analysis of 82 patients … determine whether the matrix is invertibleWebJun 1, 2002 · Abstract and Figures. An isocratic reversed-phase liquid chromatographic (HPLC) method is proposed for the practical and reliable determination of triclosan, an … determine whether the sequence is geometricWebMar 6, 2016 · The optimized HPLC method was validated, and based on the results obtained, it is found that the proposed method is linear, precise and accurate. Validation data also demonstrate that this method can be used in routine analysis of potassium sorbate, sodium benzoate, quinoline yellow and sunset yellow in lemonades and lemon … determine whether the matrices are inversesWebJan 1, 2011 · A new method for analysis of benzene, toluene, and xylene (BTX) using High Performance Liquid Chromatography-UV detection (HPLC-UV) is described and compared to the gas chromatography (GC) method. chuntaro in englishWebJun 14, 1991 · The aim of the present study was therefore to develop a sensitive and specific HPLC assay method for the determination of plasma levels of trilostane and … chunter16 comcast.net