Liquid Chromatography-diode Array Detection
TítuloDeterminación de triazinas en medio marino
... dispersive liquid-liquid microextraction (DLLME) for the simultaneous determination of seven triazine herbicides (ametryn, atrazine, cyanazine, propazine, simazine, simetryn and terbuthylazine) in estuarine ...
412
Determination of galangin in commercial extracts of Alpinia officinarum by RP-HPLC-DAD
... mance liquid chromatography-diode array detection (RP-HPLC-DAD) method for Alpinia officinarum preparations was proposed using galangin as a ...and detection at 267 ...
1
Analysis of antioxidants from orange juice using countercurrent supercritical fluid extration, micellar electrokinetic chromatography and reverse phase HPLC / C Barbas [et al ]
... of liquid chromatography (LC) with mass spectrometry (MS) and diode array detection (DAD) has been already demonstrated to identify, for example, nonvolatile components in lemon peel ...
6
Liquid chromatography with diode array detection and multivariate curve resolution for the selective and sensitive quantification of estrogens in natural waters
... [44] F. Guo, Q. Liu, G.B. Qu, S.J. Song, J.T. Sun, J.B. Shi, G.B. Jiang, Simultaneous determination of five estrogens and four androgens in water samples by online solid- phase extraction coupled with high-performance ...
29
Discrimination of Annona muricata and Rollinia mucosa extracts by using multivariate curve resolution and partial least squares regression of liquid chromatography diode array data
... high-performance liquid chromatography with diode array detection (HPLC-DAD) and evaluated after applying by multivariate curve resolution-alternating least-squares (MCR-ALS) and ...
8
A green method for the quantification of plastics derived endocrine disruptors in beverages by chemometrics assisted liquid chromatography with simultaneous diode array and fluorescent detection
... The developed methodology made it possible the determination of six endocrine disruptors at part per trillion levels and with minimal sample treatment in a wide variety of beverages. The use of LC with dual ...
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Advantages of data fusion First multivariate curve resolution analysis of fused liquid chromatographic second order data with dual diode array fluorescent detection
... of liquid chromatography/multivariate detection with second-order chemometric calibration has proved to be a powerful analytical tool, allowing the successful quantification of strongly coeluting ...
21
Determination of five pesticides in juice, fruit and vegetable samples by means of liquid chromatography combined with multivariate curve resolution
... Five pesticides were determinted in juice, fruit and vegetable samples Liquid chromatography was coupled to diode array detection Chromatographic-spectral matrices were analyzed by[r] ...
73
Application of the generalized rank annihilation method (GRAM) to second-order liquid chromatographic data
... performance liquid chromatography (HPLC), we can separate and quantify many analytes in a sample in one single ...with diode array detection ...
224
Partial Characterization of Venom from the Colombian Spider Phoneutria Boliviensis (Aranae:Ctenidae)
... The chromatographic profile allowed the detection of significant differences between males and females. The main difference is observed in compounds eluting between 31% and 35% of acetonitrile, where male venom ...
16
Determination of Putrescine and Tyramine in Fish by Micellar Liquid Chromatography with UV Detection Using Direct Injection
... The results prove that micellar liquid chromatography procedure can be used for the analysis of putrescine and tyramine in less than 10 min. The reagent 3,5-dinitrobenzoyl chloride was found to be highly ...
5
VALIDITY OF METHOD FOR DETERMINING DEOXYNIVALENOL THROUGH HIGH PERFORMANCE LIQUID CHROMATOGRAPHY WITH DETECTION IN THE ULTRAVIOLET INWHEAT SAMPLES
... of detection (LOD) and limit of quantification (LOQ) of DON were ascertained using standard solutions, and calculated as 3 ó/a and 10 ó/a, respectively, where a is the coefficient of inclination of the calibration ...
7
Analytical study on ethephon residue determination in water by ion pairing liquid chromatography/tandem mass spectrometry
... Analytical study on ethephon residue determination in water by ion-pairing liquid.. chromatography/tandem mass spectrometry.[r] ...
19
Desarrollo de un método por cromatografía de líquidos de alta resolución para análisis de aminoácidos en ingredientes utilizados en la alimentación animal
... Una técnica moderna en el análisis de aminoácidos es la Cromatografía de Líquidos de Alta Resolución, o High Performance Liquid Chromatography, (HPLC), que consiste en la elución difer[r] ...
121
NOISE SOURCE DETECTION USING NON-ORTHOGONAL MICROPHONE ARRAY
... Microphone array for noise source detection usually consists of two straight arrays arranged in cross or X ...“Star- array” in order to avoid the ...
6
Green analytical determination of emerging pollutants in environmental waters using excitation emission photoinduced fluorescence data and multivariate calibration
... levels. Detection limits in preconcentrated (1:125) real water samples ranged from ...than liquid chromatography-mass spectrometry methods, without compromising the analytical quality of the ...
34
"Modificación enzimática de lecitinas"
... Structural determination and quantitative analysis of baterial phospholipids using liquid chromatography/electrospray ionization/mass spectrometry.. Microscopía de los alimentos.[r] ...
9
Ordered mesoporous silica functionalized with ß-cyclodextrin derivative for optical isomer separation of flavanones and flavanone glycosides by nano-liquid chromatography and capillary electrochromatography
... The composition of the mobile phase was modified keeping constant the content of MeOH and the ionic strength, decreasing water concentration to 5% and adding 5% of AcN. As can be observed in Table 4 retention times ...
46
Análisis mutacional del extremo c-terminal de la α-1,3-galactosiltransferasa bovina: estabilidad y catálisis
... HPCE: High Performance Capillary Electrophoresis HPLC: High Performance Liquid Chromatography IPTG: Isopropiltiogalactósido. LDH: Lactato DesHidrogenasa LgtC: α 4GT[r] ...
200
Detection and quantitation of additions of soybean proteins in cured meat products by perfusion reversed phase high performance liquid chromatography
... the detection and quantitation by perfusion HPLC of soybean proteins in commercial cured meat products where the addition of these vegeta- ble proteins is forbidden or allowed up to a certain limit has been ...
9