Relevant bibliographies by topics / LC-PDA

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'LC-PDA'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "LC-PDA"

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Towner, Justin, Brian Rago, David Rodrigues, Manoli Vourvahis, and Chris Holliman. "A novel hydrophilic interaction chromatography assay characterization of 4-pyridoxic acid, an emergent renal organic anion transporter 1/3 transporter biomarker." Bioanalysis 13, no. 18 (2021): 1391–400. http://dx.doi.org/10.4155/bio-2021-0110.

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Aim: 4-pyridoxic acid (PDA) has been proposed as an endogenous biomarker for renal organic anion transporter 1/3 (OAT1/3) inhibition. Clinical data are needed to support the proposal. Materials & methods: A hydrophilic interaction chromatography (HILIC)–LC/MS/MS assay was developed and characterized to support clinical drug–drug interaction (DDI) studies. Results: A HILIC–LC/MS/MS assay was successfully developed. PDA was measured in two clinical DDI studies; one where no significant OAT1/3 inhibition was observed and a second where a known inhibitor of the transporter was dosed. In both c
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Harada, Miyuki, and Takuya Matsumoto. "Thermal Conductivity and Orientation Structure of Liquid Crystalline Epoxy Thermosets Prepared by Latent Curing Catalyst." Crystals 14, no. 1 (2023): 47. http://dx.doi.org/10.3390/cryst14010047.

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Improvements in the performance of electronic devices necessitate the development of polymer materials with heat dissipation properties. Liquid crystalline (LC) epoxies have attracted attention because of the orientation of their polymer network chains and their resultant high thermal conductivity. In this study, a diglycidyl ether of 1-methyl-3-(4-phenylcyclohex-1-enyl)benzene was successfully synthesized as an LC epoxy and the LC temperature range was evaluated via differential scanning calorimeter (DSC). The synthesized LC epoxy was cured with m-phenylenediamine (m-PDA) as an amine-type cur
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Pires, Sumaia Araújo, Letícia Martins Mota, Jerusa Simone Garcia, et al. "LC-MS characterization of valsartan degradation products and comparison with LC-PDA." Brazilian Journal of Pharmaceutical Sciences 51, no. 4 (2015): 839–45. http://dx.doi.org/10.1590/s1984-82502015000400010.

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abstract Valsartan was submitted to forced degradation under acid hydrolysis condition as prescribed by the ICH. Degraded sample aliquots were separated via HPLC using a Hypersil ODS (C18) column (250 x 4.6 mm i.d., 5 µm). Either photodiode array (PDA) detection or mass spectrometry (MS) full scan monitoring of HPLC runs were used. HPLC-PDA failed to indicate Valsartan degradation under forced acid degradation, showing an insignificant peak area variation and that Valsartan apparently remained pure. HPLC-MS using electrospray ionization (ESI) and total ionic current (TIC) monitoring did not re
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Alali, Feras Q., Khaled Tawaha, and Mohammad Gharaibeh. "LC-MS and LC-PDA Analysis of Hypericum empetrifolium and Hypericum sinaicum." Zeitschrift für Naturforschung C 64, no. 7-8 (2009): 476–82. http://dx.doi.org/10.1515/znc-2009-7-802.

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Within the framework of our continuous efforts to explore Hypericum species from Jordan, we report the analysis of the major active metabolites, naphthodianthrones and phloroglucinols, in the methanolic extracts of two under-explored Hypericum species; H. empetrifolium Willd. and H. sinaicum Hochst. & Steud. ex Boiss., using LC-(+,-)-ESI-MS (TIC and SIM) and LC-UV/Vis spectroscopy. Based on their LC-UV/Vis profiles, retention times and (+,-)-ESI-MS (TIC and SIM) spectral data, hypericin, protohypericin and pseudohypericin were identified in both of the investigated species. In addition adh
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Bansal, Gulshan, Manjeet Singh, K. C. Jindal, and Saranjit Singh. "LC–UV–PDA and LC–MS studies to characterize degradation products of glimepiride." Journal of Pharmaceutical and Biomedical Analysis 48, no. 3 (2008): 788–95. http://dx.doi.org/10.1016/j.jpba.2008.08.003.

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Dinç, Erdal, A. Hakan Aktaş, and Özgür Üstündağ. "New Liquid Chromatographic-Chemometric Approach for the Determination of Sunset Yellow and Tartrazine in Commercial Preparation." Journal of AOAC INTERNATIONAL 88, no. 6 (2005): 1748–55. http://dx.doi.org/10.1093/jaoac/88.6.1748.

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Abstract A new liquid chromatographic (LC)-chemometric approach was developed for the determination of sunset yellow (SUN) and tartrazine (TAR) in commercial preparations. This approach uses LC and chemometric calibration methods, i.e., classical least-squares (CLS), principal component regression (PCR), and partial–least squares (PLS), simultaneously. The combined LC-chemometric approaches, denoted as LC-CLS, LC-PCR, and LC-PLS, are based on photodiode array (PDA) detection at multiple wavelengths. Optimum chromatographic separation of SUN and TAR with allura red as the internal standard (IS)
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Schwarz, Rico, Elisabeth R. D. Seiler, Sina Sender, et al. "A Simple LC-MS/MS Method for the Quantification of PDA-66 in Human Plasma." Molecules 27, no. 3 (2022): 974. http://dx.doi.org/10.3390/molecules27030974.

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The treatment of cancer is one of the most important pharmacotherapeutic challenges. To this end, chemotherapy has for some time been complemented by targeted therapies against specific structures. PDA-66, a structural analogue of the inhibitor of serine–threonine kinase glycogen synthase kinase 3β SB216763, has shown preclinical antitumour effects in various cell lines, with the key pathways of its anticancer activity being cell cycle modulation, DNA replication and p53 signalling. For the monitoring of anticancer drug treatment in the context of therapeutic drug monitoring, the determination
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Oh, Sun Kyung, Chigen Tsukamoto, Ki Woong Kim, and Myeong Rak Choi. "LC-PDA/MS/MS Analysis of Glucosinolates in Dolsan Leaf Mustard Kimchi and Dolsan Leaf Mustard Pickles." KSBB Journal 31, no. 1 (2016): 1–7. http://dx.doi.org/10.7841/ksbbj.2016.31.1.1.

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Lavine, Barry K., Tao Ding, and David Jacobs. "LC-PDA-MS Studies of the Photochemical Degradation of Imidacloprid." Analytical Letters 43, no. 10-11 (2010): 1812–21. http://dx.doi.org/10.1080/00032711003654013.

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Friščić, Maja, Franz Bucar, and Kroata Hazler Pilepić. "LC-PDA-ESI-MSnanalysis of phenolic and iridoid compounds fromGlobulariaspp." Journal of Mass Spectrometry 51, no. 12 (2016): 1211–36. http://dx.doi.org/10.1002/jms.3844.

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Dissertations / Theses on the topic "LC-PDA"

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Silva, Michelli Massaroli da. "Investigação do perfil químico de esponjas do gênero Aplysina por LC-PDA-MS." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/75/75131/tde-25082009-101010/.

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Esponjas do gênero Aplysina (Ordem: VERONGIDA) são conhecidas por apresentarem em seu metabolismo secundário compostos derivados da dibromotirosina, os quais são um importante aliado para o processo de identificação dessas esponjas. Este trabalho descreve o estudo do perfil químico de 14 espécimens de esponjas do gênero Aplysina, coletadas na Bahia de Todos os Santos-BA, no ano de 2007. Também foi desenvolvida uma metodologia de desreplicação, utilizando-se da técnica hifenada HPLC-PDA-MS(ESI), busca na literatura (MarinLit) e comparação com padrões. Os resultados obtidos demonstram claramente
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Romminger, Stelamar. "Avaliação do potencial metabólico de linhagens de fungos isolados de uma espécie de alga marinha do gênero Sargassum." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/75/75131/tde-21082009-110418/.

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Os fungos são microrganismos amplamente dispersos, podendo ser encontrados em vegetais, animais, solo e ambientes aquáticos, participando do ciclo de elementos na natureza. Embora muitos papéis ecológicos tenham sido estudados e descritos para os fungos terrestres, a ecologia de fungos marinhos ainda é pouco conhecida. Assim, os oceanos, que representam aproximadamente metade da biodiversidade global, são uma fonte enorme e virtualmente inexplorada de microrganismos produtores de novos produtos naturais. O objetivo deste trabalho foi isolar linhagens de fungos derivados de uma espécie de alga
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Li, Meihui. "A comprehensive study of natural organic dyes in historical mediterranean textil by liquid chromatography with photodiode array and mass spectrometric detection." Master's thesis, Universidade de Évora, 2018. http://hdl.handle.net/10174/27739.

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Thesis involves an optimized chromatographic and spectroscopic study of textiles, dyed with natural organic dyestuffs, aiming at the identification of chromophore constituents and their possible degradation products. Liquid chromatography - mass spectrometry coupled with photodiode array detection has been applied for the samples’ analyses after the selective extraction of chromophores from the substrate. The under investigation natural organic dyes are those with a particular cultural value since they have been widely used for textiles staining in the Mediterranean region since Antiquit
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Book chapters on the topic "LC-PDA"

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Chua, Lee Suan. "Hyphenated Technique of LC-PDALC-PDA -MS/MS for Phytochemical Profiling of Ficus deltoidea." In Crystallizing Ideas – The Role of Chemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31759-5_4.

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Kalyani, Potu, Buchi N. Nalluri, M. Chinna Eswaraiahc, and Tata Prasanna Kumarib. "Development of RP-HPLC-PDA Method Validation for the Simultaneous Estimation of Zidovudine, Lamivudine, and Nevirapine in Bulk and Dosage Forms and in Dissolution Samples." In Current Trends in Drug Discovery, Development and Delivery (CTD4-2022). Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837671090-00316.

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The purpose of this research is to design a rapid, efficient, and cost-effective RP-HPLC-PDA for the simultaneous determination of Nevirapine (NVP), Lamivudine (LMV), and Zidovudine (ZDV) in bulk, dosage forms, and dissolving samples. The maintained chromatographic conditions were an Inertsil ODS3 column (150×4.6mm,5µm) with 15mM Ammonium acetate: Methanol (55:45 v/v) as a mobile phase, injected in isocratic mode at flow-rate 1mL/min, eluents were measured at 270nm. LMV, ZDV, and NVP were eluted at 2.24, 3.88, and 8.15 minutes, respectively, under these LC conditions. At concentrations ranging
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Conference papers on the topic "LC-PDA"

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Girme, A., G. Saste, C. Ghule, et al. "Phytoanalytical profiling of Cassia auriculata by LC-PDA-ESI-MS / MS and HPTLC supporting its metabolic claims." In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3399767.

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Blebea, Nicoleta Mirela, and Simona Negreș. "METHODS FOR QUANTIFICATION OF THE MAIN CANNABINOIDS IN CBD OIL." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/13.

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Cannabidiol (CBD) is an alkaloid present in Cannabis sativa, together with tetrahydrocannabinol (THC) and more than 120 other substances belonging to a group of compounds named cannabinoids. Due to the continuous increased usage of CBD oils, it became necessary to be developed efficient methods for the identification of its compounds and especially for the characterization of the cannabinoids from the commercial specimens. Cannabinoids may be detected by many and different analytical methods, including immunoassays (EMIT®, Elisa, fluorescent polarization, radioimmunotest), techniques of flat c
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Journal articles
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