AnatomyOrganismsChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsTechnology, Industry, AgricultureInformation ScienceHealth Care
Chromatography, High Pressure LiquidChromatography, GasChromatography, Reverse-PhaseSpectrophotometry, UltravioletDrug StabilityChromatography, Thin LayerLimit of DetectionDrug ContaminationTabletsCalibrationReproducibility of ResultsDosage FormsReference StandardsChromatographySensitivity and SpecificityIndicators and ReagentsChromatography, Ion ExchangeAcetonitrilesCefmetazoleMagnoliaceaeChromatography, LiquidFluoroacetatesFlame IonizationPlant Components, AerialErgotaminesChromatography, Micellar Electrokinetic CapillaryColorimetryPharmaceutical PreparationsPharmaceutical SolutionsTrifluoroacetic AcidGas Chromatography-Mass SpectrometryDrug ResiduesMethodsMass SpectrometryLeast-Squares AnalysisMicrochemistryQuality ControlChemistry, PharmaceuticalFood AnalysisMethanolSolid Phase ExtractionChemistry Techniques, AnalyticalAmniotic FluidDensitometryToluenePlant ExtractsIsomerismHydrogen-Ion ConcentrationChromatography, GelStereoisomerismChromatography, AffinityLinear ModelsSphingomyelinsBiological AssaySolventsBuffersChemistryChemical PhenomenaMolecular StructureSpectrometry, Mass, Electrospray IonizationSpectrometry, FluorescenceTemperatureAdministration, OralMilkMolecular WeightTandem Mass SpectrometryElectrophoresis, Polyacrylamide GelKineticsHydrolysisPhosphatidylcholinesReference ValuesTime FactorsRabbitsAnti-Bacterial AgentsCattleAmino Acid SequenceLiverMagnetic Resonance SpectroscopyMolecular Sequence Data
DeterminationSpectroscopic MethodsRetentionMass spectrometryLiquidAnalysisQuantificationAnalysesFluorescenceMatricesExtractionChemicalHydrocarbonsDetection MethodEstimationAntioxidant CapacityValidationSerumTechniquesSeparationSyntheticDrugsSamplesIdentificationAnalytical MethodResultsSpecificityProductsComponentsCalibration rangeOptimizationRapidAccurateTraditionalApplicableCurrent
Determination12
  • ISO 22155:2011 specifies a static headspace method for quantitative gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected aliphatic ethers in soil. (iso.org)
  • An improved spectrofluorometric method was compared with a recently published GLC procedure for the determination of plasma concentrations of quinidine [an antiarrhythmic agent]. (eurekamag.com)
  • Hence, highly sensitive and selective methods for the determination of biologically important carboxylic acids are required for biological investigations, and, thus far, numerous analytical methods have been developed. (encyclopedia.pub)
  • Živanov-Stakić D, Solomun L, Živanović L. High-performance liquid chromatographic method for the determination of bumetanide in pharmaceutical preparations. (ac.rs)
  • ISO 13110:2012 specifies a method for the gas-chromatographic determination of menthol in the total particulate matter (TPM) of mentholated cigarette smoke condensates. (iso.org)
  • This document specifies a method for the determination of ammonia in tobacco and tobacco products using ion chromatographic analysis. (iso.org)
  • A gas chromatographic method for determination of nicotinamide, parabe" by H.-J. Lin, M.-L. Wang et al. (jfda-online.com)
  • Moreover, bioanalytical methods, that is, HPLC-TMS [ 11 , 12 ], LC-ESI-MS method for determination of rifaximin in human plasma, dried blood spot [ 2 ], are also reported in literature. (hindawi.com)
  • However, none of the articles related to the stability indicating high-performance thin-layer chromatographic (HPTLC) method for the determination of rifaximin in pharmaceutical formulation has ever been mentioned in literature up to our knowledge. (hindawi.com)
  • IDF 202:2010 specifies a reference method for the determination of milk fat purity using gas chromatographic analysis of triglycerides. (iso.org)
  • This European Standard specifies an ion chromatographic (IC) method for the determination of inorganic chloride content in ethanol from about 1 mg/kg to about 30 mg/kg and of sulfate content in ethanol from about 1 mg/kg to about 20 mg/kg. (energyinst.org)
  • 3-21 FCC2009 ,General test and assay -GC method ,Determination of benzene. (who.int)
Spectroscopic Methods1
Retention4
  • The chromatographic retention is based on the interaction between the solute and the stationary phase, which may include dispersion forces, hydrogen bonds, etc. (upt.ro)
  • In this study structure-retention relationships were applied to the logarithm of the Kovats chromatographic index of 14 alkylphosphates. (upt.ro)
  • The proposed method works directly on the chromatographic data without data reduction procedures such as peak area or retention index calculation, Chromatographic matrices from analysis of previously identified samples are used for generating a reference chromatogram for each class, and unidentified samples are compared with all reference chromatograms by calculating a resemblance measure for each reference. (dtu.dk)
  • Chromatographic retention times were under 7 minutes. (cdc.gov)
Mass spectrometry2
  • This paper is a review of ion chromatographic separations of these inorganic oxyhalide disinfection byproducts in drinking water and their detection using conductivity, UV/Vis or mass spectrometry detection. (pjoes.com)
  • Title : Isothiazolinone Content of US Consumer Adhesives: Ultrahigh-Performance Liquid Chromatographic Mass Spectrometry Analysis Personal Author(s) : Goodier, Molly C.;Zang, Lun-Yi;Siegel, Paul D.;Warshaw, Erin M. (cdc.gov)
Liquid12
  • High-performance liquid chromatography is the most widely used chromatographic method applied for biogenic amines in foods. (usp.br)
  • A liquid sample obtained at low temperature is vaporized and then passed through a chromatographic column which permits the separation of the oligomers. (iso.org)
  • A new ultra performance liquid chromatographic (UPLC) method was developed and validated for the quantitative analysis of omeprazole in a capsule dosage form. (gazi.edu.tr)
  • 1986. TNT, RDX, HMX, and 2,4-DNT in waste water and groundwater liquid chromatographic method first action. (cdc.gov)
  • Liquid chromatographic method - 986.22. (cdc.gov)
  • Most of them are based on chromatographic and related techniques, such as liquid chromatography or gas chromatography and capillary electrophoresis. (urv.cat)
  • A validated UV visible spectrophotometric and Reverse-phase High-performance liquid chromatography (RP-HPLC) method was designed to determine the amount of glycerol in the locally available sanitizers. (pjaec.pk)
  • Soxhlet extraction technique is carried out to evaluate the results of those obtained from curcumin extraction with dissolving method with assistance of liquid chromatography. (ijmdes.com)
  • New Methodology for Identification of Nonfermenters: Gas-Liquid Chromatographic Chemotaxonomy 10. (routledge.com)
  • A liquid-liquid extraction solid-phase extraction gas chromatography flame ionisation detection (LLE-SPEGC- FID) method was developed to simultaneously determine the 16 United States Environmental Protection Agency (USEPA) listed priority PAHs in water samples. (scielo.org.za)
  • Gas- liquid chromatographic analysis, atomic absorption spectrophotometric analysis, and sulfur-nitrogen determinations are recommended as the most useful of the techniques investigated. (cdc.gov)
  • The first liquid-chromatography (LC)-based method was presented in 1977. (medscape.com)
Analysis14
  • However, due to the current importance of biogenic amines in quality control and consumer safety, researchers try to develop new methods for a fast, reliable analysis of foods in the market. (usp.br)
  • The proposed MLR equations can be useful for the estimation of chromatographic indexes of new synthesized phosphonates, as a rapid method of structure analysis. (upt.ro)
  • The presented GC method can be applied for the routine analysis of principle constituents as well as ayurvedic polyherbal formulation. (asiapharmaceutics.info)
  • A data analysis method is proposed for identification and for confirmation of classification schemes, based on single- or multiple-wavelength chromatographic profiles. (dtu.dk)
  • A specific stability indicating high-performance thin-layer chromatographic method for analysis of rifaximin both as a bulk drug and in formulations was developed and validated. (hindawi.com)
  • According to validation studies, the developed method was repeatable and specific as revealed by % RSD less than 2 and hence can be used for routine analysis of pharmaceutical formulation. (hindawi.com)
  • Although stability indicating methods have been reported for assay of various drugs in drug products, chromatographic methods have taken precedence over the conventional methods of analysis, showing greater accuracy and sensitivity for small amounts of degradation products generated [ 13 , 16 ]. (hindawi.com)
  • AOAC Official Methods of Analysis. (cdc.gov)
  • 1984~. Reverse phase HPLC method of analysis of TNT, RDX, HMX and 2,4-DNT in munitions waste water. (cdc.gov)
  • For analysis of pungent active principles (capsaicinoids) and other major components in peppers (Capsicuum annuum), chromatographic and spectroscopic techniques are used for separation, detection and quantification. (revistadechimie.ro)
  • Report of a case and analysis of subcutaneous and epidermal-dermal lipids by chromatographic methods. (medscape.com)
  • The course covers the basics, principles and limitations for the most common methods for multivariate statistics (analysis of variance, principal component analysis and partial least squares regression), experimental design (super-saturated and factorial designs) and method validation with a focus on practical use. (lu.se)
  • The new ultra-high performance super- critical fluid chromatography method was also applied for the qualitative and quantitative analysis of lignin-derived phenolic compounds obtained upon alkaline cupric oxide oxida- tion of a commercial humic acid. (lu.se)
  • Methods reported for the analysis of 11 major lignin- mic substances. (lu.se)
Quantification4
  • Therefore, the quantification of such compounds provides useful information pertaining to diagnosis, pathological conditions, and disease mechanisms, spurring the development of numerous analytical methods for this purpose. (encyclopedia.pub)
  • Anew gas chromatographicâ€flame ionization detector (GCâ€FID) method was developed for quantification of ayurvedic polyherbal formulation.The GCâ€FID method was found highly accurate, sensitive, simple and precise.This method was validated as per international conference on harmonization (ICH) guidelines. (asiapharmaceutics.info)
  • Validation results were statistically calculated.The result shows that method is selective and reproducible for quantification of ayurvedic polyherbal formulation. (asiapharmaceutics.info)
  • Jurek, A & Leitner, E 2015, ' Comparing different gas chromatographic methods for the quantification of bisphenol A (BPA) trace levels in paper and cardboard products from the market ', Food additives & contaminants / A , vol. 32, no. 8, pp. 1331-1342. (elsevierpure.com)
Analyses3
  • The critical comparison of ISO, US EPA and other methods including limits of detection, availability and costs of analyses is given. (pjoes.com)
  • NHANES uses several methods to monitor the quality of the analyses performed by the laboratories. (cdc.gov)
  • Chromatographic analyses were performed on the glucose sensor, IBOA, and the components of SLM. (lu.se)
Fluorescence1
  • Chromatographic- and/or fluorescence-based lateral flow and membrane-based immunoassays. (cdc.gov)
Matrices1
  • Alkaline cupric oxide (CuO) oxidation is one of the mostly performance supercritical fluid chromatography (UHPSFC) adopted methods for analyzing lignin in various complex using columns with sub-2 m packing can further improve environmental matrices such as soils and sediments [9]. (lu.se)
Extraction2
  • With the extraction methods specified in g), substantial quantities of partial glycerides or phospholipids can pass into the fat phase. (iso.org)
  • The acetonitrile extraction eliminates the need for chromatographic purification of vitamin D prior to its actual assay. (medscape.com)
Chemical3
  • Hence this method seems to be easy, reliable, and cost-effective for determining glycerol based on the chemical derivatization technique. (pjaec.pk)
  • Various physical, chemical and PCR based methods are available to detect the adulterants in traded turmeric. (researchgate.net)
  • While chemical methods are suited to detect the synthetic adulterants and spent turmeric, DNA based methods are the best options for detecting the biological adulterants (except spent turmeric) in the commodity. (researchgate.net)
Hydrocarbons1
  • 3-20 AOCS - Official method-ca-6c-6s -2009, Hydrocarbons (mineral oil). (who.int)
Detection Method1
  • The choice of detection method is important for trace amounts of carboxylic acids in biological samples. (encyclopedia.pub)
Estimation1
  • It was observed that the application of the newly developed UPLC method gave us successful results for the quantitative estimation of omeprazole in capsules. (gazi.edu.tr)
Antioxidant Capacity2
  • Assessment of the Antioxidant Capacity of Commercial Coffee Using Conventional Optical and Chromatographic Methods and an Innovative Electrochemical DNA-Based Biosensor. (bvsalud.org)
  • These extracts showed a high antioxidant capacity by the method of DPPH, -carotene, and nitric oxide. (bvsalud.org)
Validation1
  • In the method validation process, percent mean recovery and relative standard deviation was found as 101.6 % and 1.20 %, respectively. (gazi.edu.tr)
Serum1
  • To correlate the IgA, IgG and IgG subclasses serum levels against a chromatographic fraction from Porphyromonas gingivalis ATCC33277 extract and the clinical periodontal parameter. (pucrs.br)
Techniques4
  • This review presents some chromatographic techniques applied to monitoring BAs in different foods of animal origin. (usp.br)
  • The present review aims to provide a comprehensive overview and a discussion of the latest trends and the most used strategies for determining drugs of abuse in urine and oral fluid samples using chromatographic and electrophoretic techniques between 2018 and June 2021. (urv.cat)
  • The Bureau of Mines started a continuing program to investigate and evaluate analytical techniques to assist governmental agencies to select simple, rapid, reliable methods for crude oil spill identification. (cdc.gov)
  • Over 50 year of Bureau of Mines analytical research on petroleum served as the basis for evaluation of the experimental results to determine which of the methods are effective techniques to identify crude oil spills. (cdc.gov)
Separation1
  • By combining the three methods carry out the separation and identification of these active substances without the use of standards, the result is similar. (revistadechimie.ro)
Synthetic2
  • Reduce the environmental impact of your chemistry by developing better synthetic methods and avoiding unnecessary experiments with predictive and modeling software. (acdlabs.com)
  • ACD/Labs' software helps you reduce the number of experiments and develop more efficient synthetic and analytical methods. (acdlabs.com)
Drugs2
  • Nowadays, HPTLC as a rapid, accurate and fast method is becoming a routine analytical technique and stability-indicating methodology using HPTLC for different drugs has been reported in literature [ 16 - 18 ]. (hindawi.com)
  • Several analytical methods have been developed in recent years to determine different drugs of abuse in these biological samples. (urv.cat)
Samples1
  • In the MEC, these methods include performing blind split samples collected on "dry run" sessions. (cdc.gov)
Identification4
  • Once the method is configured, subsequent sample identification is automatic. (dtu.dk)
  • Chromatographic methods for the identification of the new hallucinogen. (erowid.org)
  • 1. Classical Methods for Isolation and Identification of Glucose None fermenting Gram-Negative Rods 2. (routledge.com)
  • Nucleic Acid-Based Identification Methods for Infectious Disease Nucleic acid-based methods detect organism-specific DNA or RNA sequences extracted from the microorganism. (msdmanuals.com)
Analytical Method1
  • An ideal stability indicating analytical method is one that quantifies the drug and also resolves its degradation products. (hindawi.com)
Results1
  • The authors note that these results are comparable to those obtained by other methods. (cdc.gov)
Specificity2
  • These 2 methods are of comparable specificity, and reliability. (eurekamag.com)
  • Rifaximin was subjected to forced degradation studies in order to check the specificity of the method. (hindawi.com)
Products2
  • Basically, the method applies to bulk milk, or products made thereof, irrespective of feeding, breed or lactation conditions. (iso.org)
  • In particular, the method is applicable to fat extracted from milk products purporting to contain pure milk fat with unchanged composition, such as butter, cream, milk, and milk powder. (iso.org)
Components1
  • Patients and Methods: Fifty-three Freestyle Libre-allergic patients were patch tested with IBOA and/or SLM, and several were also patch tested with the components of SLM. (lu.se)
Calibration range1
  • The ammonia calibration range specified in the method is from 0,100 μg/ml to 10,0 μg/ml. (iso.org)
Optimization2
  • These point estimates may be used as initial values that can be refined with more powerful methods, including a least-squares optimization, which has shown to work for the Multimodal Exponentially Modified Gaussian (MEMG) case. (wikipedia.org)
  • Method development and optimization for expert chromatographers. (acdlabs.com)
Rapid3
  • A simple and rapid method was developed to simultaneously determine the nicotinamide, paraben as well as caffeine by using megapore immediate-polar column (CP-Sil 24CB, 30 m x 0.53 mm, 1.5 μm) with direct injection gas chromatography. (jfda-online.com)
  • A toolset for rapid, reliable development of LC and GC methods. (acdlabs.com)
  • New Methodology for Indentification of Nonfermenters: Rapid Methods 9. (routledge.com)
Accurate1
  • The method is highly accurate and may be used on all sorts of chromatographic profiles. (dtu.dk)
Traditional1
Applicable1
  • The method is applicable to propylene having propene dimers (hexenes) contents greater than 20mg/kg and propene trimers (nonenes) contents greater than 30 mg/kg. (iso.org)
Current1
  • Fifty-two commercial health drinks, tonic drinks and cold solutions were analyzed by the current method. (jfda-online.com)