Academic literature on the topic 'HPLC.DAD (High Performance Liquid Chromatograph-Diode Array Detector)'

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Journal articles on the topic "HPLC.DAD (High Performance Liquid Chromatograph-Diode Array Detector)"

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Tuzimski, Tomasz. "Determination of Pesticides in Water Samples from the Wieprz-Krzna Canal in the czysko-Wodawskie Lake District of Southeastern Poland by Thin-Layer Chromatography with Diode Array Scanning and High-Performance Column Liquid Chromatography with Diode Array Detection." Journal of AOAC INTERNATIONAL 91, no. 5 (2008): 1203–9. http://dx.doi.org/10.1093/jaoac/91.5.1203.

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Abstract High-performance thin-layer chromatography with diode array scanning (TLC-DAD) and high-performance column liquid chromatography with a diode array detector (HPLC-DAD) were used to screen water samples for pesticides. Atrazine, clofentezine, chlorfenvinphos, hexaflumuron, terbuthylazine, lenacyl, neburon, bitertanol, and metamitron were enriched from canal water samples by solid-phase extraction (SPE) on octadecyl silane (C18)/styrene-divinylbenzene-1, C18, C18 Polar Plus, and cyanopropyl (CN) cartridges. Recovery rates were high for all extraction materials except CN, for which value
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Cebrián-Tarancón, Cristina, José Oliva, Miguel Ángel Cámara, Gonzalo L. Alonso, and M. Rosario Salinas. "Analysis of Intact Glycosidic Aroma Precursors in Grapes by High-Performance Liquid Chromatography with a Diode Array Detector." Foods 10, no. 1 (2021): 191. http://dx.doi.org/10.3390/foods10010191.

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Nowadays, the techniques for the analysis of glycosidic precursors in grapes involve changes in the glycoside structure or it is necessary the use of very expensive analytical techniques. In this study, we describe for the first time an approach to analyse intact glycosidic aroma precursors in grapes by high-performance liquid chromatography with a diode array detector (HPLC-DAD), a simple and cheap analytical technique that could be used in wineries. Briefly, the skin of Muscat of Alexandria grapes was extracted using a microwave and purified using solid-phase extraction combining Oasis MCX a
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Yang, Fangliang, Guoxiang Sun, and Jiao Chen. "Development of a HPLC-DAD method combined with multicomponent chemometrics and antioxidant capacity to monitor the quality consistency of compound bismuth aluminate tablets by comprehensive quantified fingerprint method." Analytical Methods 9, no. 27 (2017): 4082–90. http://dx.doi.org/10.1039/c7ay00916j.

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A high performance liquid chromatography (HPLC) coupled with diode array detector method was developed to monitor the quality consistency of a classical compound preparation, compound bismuth aluminate tablet.
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Seo, Chang-Seob, and Kwang-Hoon Song. "Phytochemical Characterization for Quality Control of Phyllostachys pubescens Leaves Using High-Performance Liquid Chromatography Coupled with Diode Array Detector and Tandem Mass Detector." Plants 11, no. 1 (2021): 50. http://dx.doi.org/10.3390/plants11010050.

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Phyllostachys pubescens leaves are cultivated in a number of Asian countries and have been used for antipyretic and diuretic effects since ancient times, especially in Korea. The purpose of this study was to develop and validate of analytical method for quality control of P. pubescens leaves using high-performance liquid chromatography with diode array detector (HPLC–DAD) and liquid chromatography with tandem mass spectrometry (LC–MS/MS) detection. HPLC–DAD analysis was conducted with a Gemini C18 column, and distilled water–acetonitrile (both with 0.1% (v/v) formic acid) mobile-phase system.
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Wang, Hong Jun, Tie Zhong Zhou, Hong Jiang, et al. "The Establishment of the Fingerprint of Bangduling Oral Liquid by the High Performance Liquid Chromatography-Diode Array Detector." Advanced Materials Research 694-697 (May 2013): 1047–50. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.1047.

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Bangduling (BDL) oral liquid, which is a new research and development herbal preparation, comprises four traditional Chinese medicines (TCM): Radix Scutellariae, Cortex Phellodendri Chinensis, Folium Isatidis, and Radix et Rhizoma Rhei. A simple, reliable and reproducible method, based on a high performance liquid chromatography-diode array detector (HPLC-DAD) method, for establishing fingerprint of complex herbal medicine BDL oral liquid was described firstly. In order to develop and validate this HPLC-DAD method, Kromasil C18 column (S-5μm, 4.6 mm × 250 mm) was used with gradient mobile phas
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Narzullo, Saidov, Smelova Natalia, Garna Natalya, Koretnik Oksana, Khanina Nataliia та Gubar Svetlana. "Development of HPLC method for quantitative determination of new perspective APhI with anti-ulcer activity of trіаzоprazol". ScienceRise: Pharmaceutical Science, № 6(16) (28 грудня 2018): 41–46. https://doi.org/10.15587/2519-4852.2018.153387.

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<strong>Aim.</strong>&nbsp;Development of optimal, high-precision, reproducible method of quantitative determination of triazoprazole in substance using the method of high performance liquid chromatography. <strong>Materials and methods.</strong>&nbsp;Physico-chemical (high-performance liquid chromatography) and mathematical (statistical processing of results) methods of research were used to achieve this goal. Chromatography was performed on a liquid chromatograph Agilent 1290 Infinity II with diode-array (LC&nbsp;1290) detector and quadrupole-time-of-flight (QTOF 6530) mass analyzer. Fixed p
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Zhu, Yanqin, Qinhong Yin, and Yaling Yang. "A comparative study of HPLC-DAD and UPLC-UV methods for simultaneous determination of 11 polyphenols in Moringa oleifera leaves." Tropical Journal of Pharmaceutical Research 20, no. 11 (2021): 2371–79. http://dx.doi.org/10.4314/tjpr.v20i11.20.

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Purpose: To develop, validate and compare two chromatographic methods - high performance liquid chromatography with diode array detector ((HPLC-DAD) and high performance liquid chromatography with ultraviolet detection (UPLC-UV) for the effective analysis of polyphenols in Moringa oleifera leaves.Methods: HPLC-DAD and UPLC-UV methods were applied for the accurate determination of eleven major polyphenols in Moringa oleifera leaves. The chromatographic conditions of the eleven polyphenols was determined on two C18 column by gradient elution with 0.5 % phosphoric acid solution -acetonitrile as t
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Bittová, Miroslava, Dita Hladůvková, Vendula Roblová, Stanislav Kráčmar, Petr Kubáň, and Vlastimil Kubáň. "Analysis of Organic Acids, Deacetyl Asperulosidic Acid and Polyphenolic Compounds as a Potential Tool for Characterization of Noni (Morinda citrifolia) Products." Natural Product Communications 10, no. 11 (2015): 1934578X1501001. http://dx.doi.org/10.1177/1934578x1501001107.

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Organic acids, deacetyl asperulosidic acid (DAA) and polyphenolic compounds in various noni ( Morinda citrifolia L.) products (4 juices, 4 dry fruit powders and 2 capsules with dry fruit powder) were analyzed. Reversed-phase high-performance liquid chromatography (RP-HPLC) coupled with a variable wavelength detector (VWD) and electrospray ionization time-of-flight mass spectrometer (ESI-TOF MS) was applied for simultaneous analysis of organic acids (malic, lactic, citric and succinic acid) and DAA. An RP-HPLC method with diode-array detector (DAD) was developed for the analysis of polyphenolic
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Szewczyńska, Małgorzata, and Małgorzata Pośniak. "Doxorubicin hydrochloride. Determination in workplace air with high performance liquid chromatography." Podstawy i Metody Oceny Środowiska Pracy 34, no. 2(96) (2018): 115–31. http://dx.doi.org/10.5604/01.3001.0012.1025.

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This article presents a method for measuring doxorubicin hydrochloride in workplace air with HPLC with diode array detector (DAD). The method is based on adsorption inhalable fraction of doxorubicin hydrochloride aerosol on glass fiber filter, desperation with water, and chromatographic analysis. The analysis was performed in reverse phase (mobile phase – 0.05 mol/L hydrophosphate disodum and acetonitrile (65:35) with pH – 3 with 0.5 mL/L triethylamine) on C18 column. The measurement range was 0.06 – 1 μg/m3 for 4800-L air sample. The limit of detection (LOD) was 0,0005 μg/ml and the limit of
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Riley-Saldaña, Christian Anabí, María del Rocío Cruz-Ortega, Mariano Martínez Vázquez, Iván De-la-Cruz-Chacón, Marisol Castro-Moreno, and Alma Rosa González-Esquinca. "Acetogenins and alkaloids during the initial development of Annona muricata L. (Annonaceae)." Zeitschrift für Naturforschung C 72, no. 11-12 (2017): 497–506. http://dx.doi.org/10.1515/znc-2017-0060.

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AbstractIn plants, the presence and distribution of specialized metabolites during the early stages of development are not documented enough, even though their biosynthesis is one of the most important strategies for survival. In this study, five alkaloids and four acetogenins were detected inAnnona muricataL. during early development seedling, including three phases of root emergence and three of seedling formation. Hexane and alkaloid extracts were obtained from each organ, which were analyzed in a gas-mass chromatograph and in a high-performance liquid chromatograph coupled with a photodiod
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Dissertations / Theses on the topic "HPLC.DAD (High Performance Liquid Chromatograph-Diode Array Detector)"

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Lindholm, Johan. "Development and Validation of HPLC Methods for Analytical and Preparative Purposes." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4442.

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Book chapters on the topic "HPLC.DAD (High Performance Liquid Chromatograph-Diode Array Detector)"

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Carvalho, Daniel. "Optimization of an HPLC-DAD Method for Quercetin Detection." In ATHENA Research Book, Volume 2. University of Maribor, University Press, 2023. http://dx.doi.org/10.18690/um.4.2023.47.

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High-performance liquid chromatography (HPLC) is one of the most used liquid chromatographic techniques owing to its versatility that allows an optimal resolution. Quercetin (QUE), a polyphenol, has received increasing attention due to its antioxidant properties. Efforts have been made to overcome the traditional poor oral bioavailability of quercetin, requiring the development of analytical techniques for quercetin detection in different matrices. The main objective of this work was the optimization of a HPLC-Diode Array Detector (DAD) method for quercetin. An optimization process was conduct
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Conference papers on the topic "HPLC.DAD (High Performance Liquid Chromatograph-Diode Array Detector)"

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Nenadović, Milena, Katja Kržišnik, Polonca Trebše, and Mojca Bavcon Kralj. "Effect of Time, pH, Alcohol and Sugar Content on Nicotine Re-lease from Pouches Available on Slovene Market." In Socratic lectures 10. University of Lubljana Press, 2024. http://dx.doi.org/10.55295/psl.2024.ii7.

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Abstract: Tobacco-free nicotine pouches, first introduced in Sweden, are made as a less hazardous product for cigarette consumers. Instead of tobacco leaves, they consist of nicotine-containing powder and other ingredients such as water, salts, natural aromatic oils and others, that will boost the flavor and effect and make it last longer. This research aimed to investigate the extraction efficiency of nicotine from poaches of different brands. The effects of alcohol and sugars present in saliva at different pHs and consumption times were investigated as well. We optimized a High performance l
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Li, Lanqing, Zhenmin Zhang, Genyun Tang, and Bin Huang. "High Performance Liquid Chromatography-Diode Array Detection (HPLC-DAD) method for the determination of three components in the leaves of Stauntonia Brachyanthera from different regions." In International Conference on Agri-Photonics and Smart Agricultural Sensing Technologies (ICASAST 2022), edited by Jiandong Hu. SPIE, 2022. http://dx.doi.org/10.1117/12.2657097.

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Shim, Youn Young, Clara Olivia, Xian-Guo Zou, Young Jun Kim, and Martin Reaney. "Stability of Novel Peptides (linusorbs) in Flaxseed Meal Fortified Gluten-free Bread." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/mfmf5716.

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Flaxseed meal is rich in water-soluble gums and, as such, can improve texture in gluten-free products. Flaxseed bioactive-antioxidant peptides, linusorbs (LOs, a.k.a. cyclolinopeptides), are a class of molecules that may contribute health-promoting effects. The effects of dough preparation, baking, and storage on flaxseed-derived LOs stability in doughs and baked products are unknown. Gluten-free (GF) bread dough and bread were prepared with flaxseed meal and the LO content was determined in the flaxseed meal, bread flour containing the flaxseed meal, bread dough, and bread. The LO content dur
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