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Journal articles on the topic 'LC-PDA'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

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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3

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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4

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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6

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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7

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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8

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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9

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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10

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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11

Dewland, Jason C., and Andrew See. "Notes on Operations: Patron Driven Acquisitions: Determining the Metrics for Success." Library Resources & Technical Services 59, no. 1 (2015): 13. http://dx.doi.org/10.5860/lrts.59n1.13.

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Patron Driven Acquisition (PDA) programs have been established in many libraries, but there is no agreed upon set of metrics to evaluate the programs’ performance. With that in mind, the University of Arizona (UA) formed the On-Demand Information Delivery (ODID) Metrics Team in January 2012 to establish metrics to evaluate their PDA program. This paper examines the results of the team’s findings and provides an extensive analysis of the purchases by Library of Congress (LC) classification, publisher, format, etc. The discussion includes an analysis of the process and challenges of measuring a

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12

To'lakov, Nurillo Qosimovich, and Sabroxon Abdullajon qizi Adxamova. "ODDIY OQQALDIRMOQ (TUSSILAGO FARFARA L) O`SIMLIGINING KIMYOVIY TARKIBI VA UNING DORIVOR XUSUSIYATLARI (BALG`AM KO`CHIRUVCHI VOSITA)." Журнал химии товаров и народной медицины 3, no. 4 (2024): 218–32. https://doi.org/10.55475/jcgtm/vol3.iss4.2024.352.

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Oddiy oqqaldirmoq o'simligi tarkibidagi vitaminlar aniqlandi. O'simlikning kimyoviy tarkibi bo'yicha olib borilgan eksperimental tahlillardan 100 g namunadan foydalanildi. Tahlil natijasida o'simlik tarkibida 8 xil vitaminlar borligi aniqlandi. Standart eritmalar va namunalar ekstrakti LC-40D nasosi, SIL-40 avtosampleri, SPD-M40 foto-diot matritsali detektoridan (PDA) iborat LC-40 Nexera Lite yuqori samarali suyuqlik xromatografi va LabSolution ver.6.92 dasturiy ta`minoti yordamida tahlil qilindi.

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Sastry, R. V. R. Prabhakara, C. S. Venkatesan, B. S. Sastry, and K. Mahesh. "Identification and characterization of forced degradation products of pralatrexate injection by LC-PDA and LC–MS." Journal of Pharmaceutical and Biomedical Analysis 131 (November 2016): 400–409. http://dx.doi.org/10.1016/j.jpba.2016.08.023.

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14

Yun, Jisuk, Kisung Kwon, Jangduck Choi, and Cheon-Ho Jo. "Monitoring of the amphetamine-like substances in dietary supplements by LC-PDA and LC–MS/MS." Food Science and Biotechnology 26, no. 5 (2017): 1185–90. http://dx.doi.org/10.1007/s10068-017-0176-1.

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15

Gawande, V. T., K. G. Bothara, and A. M. Marathe. "Stress Studies and Identification of Degradation Products of Cephalexin Using LC–PDA and LC–MS/MS." Chromatographia 80, no. 10 (2017): 1545–52. http://dx.doi.org/10.1007/s10337-017-3385-0.

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16

Bansal, Rohit, Balraj Saini, Yogita Bansal, and Gulshan Bansal. "MSn, LC-MS-TOF and LC-PDA studies for identification of new degradation impurities of bupropion." Biomedical Chromatography 27, no. 11 (2013): 1387–97. http://dx.doi.org/10.1002/bmc.2933.

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17

Guo, Kaijing, Yanan Wang, and Chen Ma. "Characterization of stress degradation products of bedaquiline fumarate and bedaquiline by LC-PDA and LC-MS." Journal of Pharmaceutical and Biomedical Analysis 235 (October 2023): 115658. http://dx.doi.org/10.1016/j.jpba.2023.115658.

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18

Mondal, Bidisha, Alka Bali, and Tanvi Sharma. "Identification and characterization of stress degradation products of ibrutinib by LC-UV/PDA and LC-Q/TOF-MS studies." European Journal of Mass Spectrometry 29, no. 4 (2023): 248–61. http://dx.doi.org/10.1177/14690667231194814.

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The anticancer drug ibrutinib was subjected to stress degradation studies under the ICH-prescribed hydrolytic, photolytic, oxidative and thermal stress conditions, and its degradation behavior was studied. A significant degradation was noted for the drug under acidic/alkaline hydrolytic, acid/alkaline photolytic, and oxidative conditions. The UPLC-UV/PDA studies revealed the generation of six degradation products (I–VI), and these were adequately resolved from the drug under the developed chromatographic conditions over a Kinetex® C18 (100 mm×4.6 mm; 2.6 μm) column employing isocratic elution

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19

Chadha, Renu, Alka Bali, and Gulshan Bansal. "Characterization of stress degradation products of duloxetine hydrochloride employing LC–UV/PDA and LC–MS/TOF studies." Journal of Pharmaceutical and Biomedical Analysis 121 (March 2016): 39–55. http://dx.doi.org/10.1016/j.jpba.2016.01.002.

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20

Tang, Zhongyan, Lihua Lu, Xiaoyong Zhou, et al. "A new cytotoxic polycyclic polyprenylated acylphloroglucinol from Garcinia nujiangensis screened by the LC-PDA and LC-MS." Natural Product Research 34, no. 17 (2019): 2448–55. http://dx.doi.org/10.1080/14786419.2018.1539983.

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21

Srianta, I., I. Nugerahani, and S. Ristiarini. "Separation and analysis of Monascus yellow pigment produced on durian seed substrate." Food Research 4, no. 4 (2020): 1135–39. http://dx.doi.org/10.26656/fr.2017.4(4).020.

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This research was aimed to separate and analyse Monascus yellow pigment (MYP) with chromatography. MYP was in a mixture with red and orange pigments. MYP separation was performed in a silica gel column with eluent of ethyl acetate: ethanol: water = 90: 25: 4. The separated MYP were then subjected to analysis by using spectrophotometer, TLC, LC-PDA and LC-MS/MS. The results revealed that the separated MYP has a maximum absorption at 386 nm. Out of five MYP compounds detected by using LC-MS/MS, two of them were well known yellow pigment compounds, monascin and ankaflavin. Monascin and yellow II

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22

Batul, Rahila, Mrinal Bhave, Peter J. Mahon, and Aimin Yu. "Polydopamine Nanosphere with In-Situ Loaded Gentamicin and Its Antimicrobial Activity." Molecules 25, no. 9 (2020): 2090. http://dx.doi.org/10.3390/molecules25092090.

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The mussel inspired polydopamine has acquired great relevance in the field of nanomedicines, owing to its incredible physicochemical properties. Polydopamine nanoparticles (PDA NPs) due to their low cytotoxicity, high biocompatibility and ready biodegradation have already been widely investigated in various drug delivery, chemotherapeutic, and diagnostic applications. In addition, owing to its highly reactive nature, it possesses a very high capability for loading drugs and chemotherapeutics. Therefore, the loading efficiency of PDA NPs for an antibiotic i.e., gentamicin (G) has been investiga

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23

Gupta, Suphla, Rajni Sharma, Pankaj Pandotra, Sundeep Jaglan, and Ajai Prakash Gupta. "Chromolithic Method Development, Validation and System Suitability Analysis of Ultra-Sound Assisted Extraction of Glycyrrhizic Acid and Glycyrrhetinic Acid from Glycyrrhiza glabra." Natural Product Communications 7, no. 8 (2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700808.

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An ultrasound-assisted extraction and chromolithic LC method was developed for simultaneous determination of glycyrrhizic acid (GA) and glycyrrhetinic acid (GL) from the root extract of Glycyrrhiza glabra using RPLC-PDA. The developed method was validated according to the International Conference on Harmonisation. The method exhibited good linearity (r2 >0.9989) with high precision and achieved good accuracies between 97.5 to 101.3% of quantitative results. The method is more sensitive and faster (resolved within ten minutes) than the earlier developed methods using normal LC columns.

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24

Saini, Balraj, and Gulshan Bansal. "Characterization of four new photodegradation products of hydroxychloroquine through LC-PDA, ESI-MSn and LC-MS-TOF studies." Journal of Pharmaceutical and Biomedical Analysis 84 (October 2013): 224–31. http://dx.doi.org/10.1016/j.jpba.2013.06.014.

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25

Ji, Xiuhong, Bharathi Avula, and Ikhlas A. Khan. "Quantitative and qualitative determination of six xanthones in Garcinia mangostana L. by LC–PDA and LC–ESI-MS." Journal of Pharmaceutical and Biomedical Analysis 43, no. 4 (2007): 1270–76. http://dx.doi.org/10.1016/j.jpba.2006.10.018.

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26

Park, So-ra, Jin Gyun Lee, Si Hun Roh, et al. "Determination of PDE-5 inhibitors and appetite suppressants in adulterated dietary supplements using LC/PDA and LC/MS." Food Additives and Contaminants: Part B 5, no. 1 (2012): 29–32. http://dx.doi.org/10.1080/19393210.2012.656706.

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27

Cardoso, Claudia Andrea Lima, Fabiana Volpe Zanutto, Eliana Aparecida Varanda, Paulo Takeo Sano, Wagner Vilegas, and Lourdes Campaner dos Santos. "Quantification of Flavonoids, Naphthopyranones and Xanthones in Eriocaulaceae Species by LC-PDA." American Journal of Analytical Chemistry 03, no. 02 (2012): 138–46. http://dx.doi.org/10.4236/ajac.2012.32020.

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28

Batul, Rahila, Abdul Khaliq, Ahmed Alafnan, Mrinal Bhave, and Aimin Yu. "Investigation of Gentamicin Release from Polydopamine Nanoparticles." Applied Sciences 12, no. 13 (2022): 6319. http://dx.doi.org/10.3390/app12136319.

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Polydopamine (PDA), being highly reactive in nature, has acquired great attention in multi-disciplinary fields. Owing to its fascinating properties, including its biocompatible, non-toxic and readily bio-degradative nature, we investigated the drug loading and release behavior, using an aminoglycoside antibiotic gentamicin (G) as a model drug. The gentamicin was loaded into the PDA nanoparticles (NPs) via an in situ polymerization method. The release kinetics of the gentamicin was then studied in pH 3, 5 and 7.4. Two batches with varied gentamicin loadings, G-PDA NPs 1:1 (with approx. 84.1% lo

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Sashidhara, Koneni V., and Jammikuntla N. Rosaiah. "Various Dereplication Strategies Using LC-MS for Rapid Natural Product Lead Identification and Drug Discovery." Natural Product Communications 2, no. 2 (2007): 1934578X0700200. http://dx.doi.org/10.1177/1934578x0700200218.

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Natural products are the most consistently successful source of drug leads. The rapid identification of known compounds from natural product extracts, or ‘dereplication’, is an important step in an efficiently run drug discovery program. Modern spectroscopic methods have largely revolutionized compound identification and tremendously accelerated the pace at which isolated compounds can be identified. Dereplication strategies use analytical techniques and database searching to determine the identity of an active compound at the earliest possible stage in the discovery process. This prevents was

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30

Navarrete, Andrés, Bharathi Avula, Vaishali C. Joshi, Xiuhong Ji, Paul Hersh, and Ikhlas A. Khan. "Quantitative Determination of Triterpenes from Amphiptherygium adstringens by Liquid Chromatography and Thin-Layer Chromatography and Morphological Analysis of Cuachalalate Preparations." Journal of AOAC INTERNATIONAL 89, no. 1 (2006): 1–7. http://dx.doi.org/10.1093/jaoac/89.1.1.

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Abstract Amphiptherygium adstringens (Anacardiaceae/Julianaceae), local name cuachalalate, is used in folk medicine for the treatment of cholelithiasis, fevers, fresh wounds, hypercholesterolemia, gastritis, gastric ulcers, and cancer of the gastrointestinal tract. The development of column high-performance liquid chromatographyphotodiode array detector (LC-PDA) and high-performance thin-layer chromatography (HPTLC)densitometry methods for the determination of masticadienonic acid and 3-hydroxymasticadienonic acid in cuachalalate preparations is described in this paper. Good separation of the

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31

Casey, Christine R., Thomas Conley, Andrea Heise, Terri Thomas, and Patrick R. Ayres. "Quantitative and Qualitative Analysis of Mitragynine in Kratom (Mitragyna Speciosa) by GC-MS, LC-MS/MS and UPLC-PDA." Journal of Regulatory Science 3, no. 2 (2016): 1–14. http://dx.doi.org/10.21423/jrs-v03n02p001.

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In 2011, emergency rooms on theWest Coast had patients showing up with opiate/heroin withdrawal symptoms from Kratom. Mitragyna speciosa, or Korth (Thai name Kratom; Rubiaceae) is a medical plant native to Thailand and other Southeast Asian countries and is presently illegal in Thailand and other European countries [1]. In the United States, Kratom is readily available via the internet and local retail stores.The leaves of Mitragyna speciosa consist of two primary active alkaloids: Mitragynine 66.2%, and 7 -hydroxy-7H-mitragynine 2.0%, and three indole alkaloids: Paynantheine 8.6%, Speciogynin

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32

Costa, Rosaria, Ambrogina Albergamo, Vito Pellizzeri, and Giacomo Dugo. "Phytochemical screening by LC-MS and LC-PDA of ethanolic extracts from the fruits of Kigelia africana (Lam.) Benth." Natural Product Research 31, no. 12 (2016): 1397–402. http://dx.doi.org/10.1080/14786419.2016.1253080.

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33

He, Zixian, Zhiwei Liu, Haihuan Xie, Pengjie Luo, and Xiangmei Li. "An Ultrasensitive Lateral Flow Immunoassay Based on Metal-Organic Framework-Decorated Polydopamine for Multiple Sulfonylureas Adulteration in Functional Foods." Foods 12, no. 3 (2023): 539. http://dx.doi.org/10.3390/foods12030539.

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Herein, an ultrasensitive lateral flow immunoassay (LFIA), based on metal-organic framework-decorated polydopamine (PCN-224@PDA) was first established to detect multiple sulfonylureas (SUs) in functional foods. The PCN-224@PDA was synthesized using the one-pot hydrothermal method and covalently coupled with SUs antibodies, and the coupling rate was up to 91.8%. The detection limits of the developed PCN-224@PDA-LFIA for multiple SUs in functional teas and capsules were 0.22–3.72 μg/kg and 0.40–3.71 μg/kg, and quantification limits were 0.75–8.19 μg/kg and 1.03–9.08 μg/kg, respectively. The anal

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34

Subbiah, Vigasini, Faezeh Ebrahimi, Osman T. Agar, Frank R. Dunshea, Colin J. Barrow, and Hafiz A. R. Suleria. "Comparative Study on the Effect of Phenolics and Their Antioxidant Potential of Freeze-Dried Australian Beach-Cast Seaweed Species upon Different Extraction Methodologies." Pharmaceuticals 16, no. 5 (2023): 773. http://dx.doi.org/10.3390/ph16050773.

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Brown seaweed is rich in phenolic compounds and has established health benefits. However, the phenolics present in Australian beach-cast seaweed are still unclear. This study investigated the effect of ultrasonication and conventional methodologies using four different solvents on free and bound phenolics of freeze-dried brown seaweed species obtained from the southeast Australian shoreline. The phenolic content and their antioxidant potential were determined using in vitro assays followed by identification and characterization by LC-ESI-QTOF-MS/MS and quantified by HPLC-PDA. The Cystophora sp

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Yoon, Nari, Hyeonjun Yu, Gia Han Tran, et al. "Profiling the Phytochemicals of Orostachys margaritifolia: Biological Activities, LC-ESI/MS, and HPLC Analyses." Pharmaceuticals 17, no. 3 (2024): 290. http://dx.doi.org/10.3390/ph17030290.

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Orostachys margaritifolia Y. N. Lee (OMY) is an endemic Korean plant in the family Crassulaceae that is known to contain a variety of bioactive compounds. To assess the physiological activities of an OMY ethanol extract, ABTS+ and DPPH radical scavenging assays and a nitric oxide (NO) inhibition assay were conducted. The phytochemical makeup of the extract was profiled via liquid chromatography-mass spectrometry (LC-ESI/MS) and high-performance liquid chromatography with a photodiode array detector (HPLC/PDA). The OMY extract was found to have weaker ABTS+ and DPPH radical scavenging activitie

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Chua, Lee Suan, Abirame Segaran, and Hoi Jin Wong. "LC-PDA-MS/MS-Based Characterization of Key Phytochemicals in Eurycoma Longifolia Roots." Journal of Chromatographic Science 59, no. 7 (2021): 659–69. http://dx.doi.org/10.1093/chromsci/bmab041.

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Abstract The objective of the study was to fractionate the crude extract of Eurycoma longifolia (E. longifolia) roots and identify the intense peaks using HPLC-PDA-MS/MS, UPLC–MS/MS and H-NMR. Column chromatography was used to fractionate the crude extract into individual fractions using six solvent systems ranged from ethyl acetate, methanol and water in increasing polarity. Two fractions with nearly pure and intense peaks were selected for compound identification. Chromenone (coumarin) and chromone derivatives were putatively identified, besides several previously reported quassinoid glycosi

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37

Paixão, Maiara C. S., Jessica Nardi, Charise D. Bertol, et al. "Development and validation of a LC-PDA method for methylphenidate analysis in sewage." Journal of Environmental Science and Health, Part A 57, no. 1 (2021): 28–32. http://dx.doi.org/10.1080/10934529.2021.2020513.

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38

Barot, Tushar G., and P. K. Patel. "RP-HPLC Method for the Estimation of Donepezil Hydrochloride Dosage Form." E-Journal of Chemistry 6, no. 2 (2009): 594–600. http://dx.doi.org/10.1155/2009/532830.

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A simple and accurate methods to determine donepezil, in tablet dosage form, were developed and validated using liquid chromatography (LC). The LC separation was achieved on a Inertsil C8-3, 25 cm x 4.6-mm, 5 µ in the isocratic mode using buffer : methanol : triethylamine (550:450:5)v/v, adjusted to pH 2.50±0.05 with orthophosphoric acid, as the mobile phase at a flow rate of 1.0 mL/min. The methods were performed at 271 nm. In LC method, quantification was achieved with PDA detection over the concentration range of 20-60 µg/mL with mean recovery of 100.18±0.75%. The method was validated by de

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Son, Hae-Reon, Sun-Kyung Oh, Chigen Tsukamoto, and Myeong-Rak Choi. "Quality Characteristics of Dolsan Leaf Mustard according to Various Blanching Conditions and Liquid Chromatography with Photodiode Array and Tandem Mass Spectrometry Analysis." KSBB Journal 31, no. 1 (2016): 20–26. http://dx.doi.org/10.7841/ksbbj.2016.31.1.20.

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40

Shin, Jae Wook, and Jung Bok Kim. "Determination of Dimethyl Dicarbonate in Food and Beverage with HPLC-PDA and LC-MS." Journal of the Korean Society of Food Science and Nutrition 48, no. 9 (2019): 961–66. http://dx.doi.org/10.3746/jkfn.2019.48.9.961.

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41

Nakajima, Jun-ichiro, Ippei Tanaka, Shujiro Seo, Mami Yamazaki, and Kazuki Saito. "LC/PDA/ESI-MS Profiling and Radical Scavenging Activity of Anthocyanins in Various Berries." Journal of Biomedicine and Biotechnology 2004, no. 5 (2004): 241–47. http://dx.doi.org/10.1155/s1110724304404045.

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Anthocyanin extracts of two blueberries,Vaccinium myrtillus(bilberry) andVaccinium ashei(rabbiteye blueberry), and of three other berries,Ribes nigrum(black currant),Aronia melanocarpa(chokeberry), andSambucus nigra(elderberry), were analyzed by high-performance liquid chromatography coupled with photodiode array detection and electrospray ionization - mass spectrometry (LC/PDA/ESI-MS). Both bilberry and rabbiteye blueberry contained 15 identical anthocyanins with different distribution patterns. Black currant, chokeberry, and elderberry contained 6, 4, and 4 kinds of anthocyanins, respectivel

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Lü, Jie-Li, Jing Zhao, Jin-Ao Duan, Hui Yan, Yu-Ping Tang, and Lai-Bin Zhang. "Quality Evaluation of Angelica sinensis by Simultaneous Determination of Ten Compounds Using LC-PDA." Chromatographia 70, no. 3-4 (2009): 455–65. http://dx.doi.org/10.1365/s10337-009-1222-9.

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Heleno Ferreira, Raquel Balestri, Jonathaline Apollo Duarte, Flávio Dias Ferreira, et al. "Biological Safety Studies and Simultaneous Determination of Linagliptin and Synthetic Impurities by LC-PDA." Journal of Analytical Methods in Chemistry 2019 (March 3, 2019): 1–10. http://dx.doi.org/10.1155/2019/7534609.

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A stability-indicating LC method was developed for quantification of linagliptin (LGT) and three synthetic impurities. The method utilizes a Thermo Scientific® RP-8 column (100 mm × 4.6 mm; 5 μm) with the PDA detector for quantitation of impurities. A mixture of 0.1% formic acid with pH 3.5 (A) and acetonitrile (B) was used as the mobile phase at a flow rate of 0.6 mL·min−1 with gradient elution. The percentage of mobile phase B increases from 30% to 70% over 5 min and decreases from 70% to 30% between 5 and 8 min. The method was validated according to International Council for Harmonization (

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Barot, Tushar G., Kanaiyalal Patidar, Nayan Kshartri, and Niranjan Vyas. "Development and Validation of LC Method for the Determination of Ampicillin and Dicloxacillin in Pharmaceutical Formulation Using an Experimental Design." E-Journal of Chemistry 6, no. 4 (2009): 955–64. http://dx.doi.org/10.1155/2009/316380.

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A simple, precise and accurate method to determine ampicillin and dicloxacillin in a pharmaceutical preparation capsule dosage form were developed and validated using liquid chromatography (LC). The LC separation was achieved on an ACE 150 mm x 4.6 mm, 5 µ in the isocratic mode using buffer: methanol (40: 60, v/v), as the mobile phase at a flow rate of 1.0 mL/min. The methods were performed at 220 nm. In LC method, quantification was achieved with PDA detection over the concentration range of 50 to150 µg/mL. The methods were validated and the results were compared statistically. They were foun

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Gharaibeh, Ahmad A., Ala’a Al-Serini, Rana M. Qasaymeh, et al. "Liquid Chromatography-Mass Spectroscopy and Liquid Chromatography-Ultraviolet/Visible Photodiode Array Analysis of Selected Colchicum Species." Zeitschrift für Naturforschung C 67, no. 9-10 (2012): 451–60. http://dx.doi.org/10.1515/znc-2012-9-1002.

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An in-house strategy to dereplicate colchicinoid alkaloids was recently developed by our team. It aimed at quickly identifying Colchicum constituents using LC-MS (liquid chromatography- mass spectroscopy) and LC-UV/Vis PDA (liquid chromatography-ultraviolet/ visible photodiode array) techniques. In this project, our goal was to validate the developed method through analysing the alkaloid-rich fractions of three Colchicum species that had been previously studied phytochemically using the traditional bioactivity-guided fractionation methodology. The analysed species were Colchicum tauri Siehe ex

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Al-Rimawi, Fuad, Saleh Abu-Lafi, jehad Abbadi, Ayman A. A. Alamarneh, Raneen A. Sawahreh, and Imad Odeh. "ANALYSIS OF PHENOLIC AND FLAVONOIDS OF WILD EPHEDRA ALATA PLANT EXTRACTS BY LC/PDA AND LC/MS AND THEIR ANTIOXIDANT ACTIVITY." African Journal of Traditional, Complementary and Alternative medicines 14, no. 2 (2017): 130–41. http://dx.doi.org/10.21010/ajtcam.v14i2.14.

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Chadha, Renu, Alka Bali, and Gulshan Bansal. "Identification and characterization of stress degradation products of dronedarone hydrochloride employing LC-UV/PDA, LC–MS/TOF and MS n studies." Journal of Pharmaceutical and Biomedical Analysis 118 (January 2016): 139–48. http://dx.doi.org/10.1016/j.jpba.2015.10.028.

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Alali, Feras Q., Ahmad Gharaibeh, Abdullah Ghawanmeh, Khaled Tawaha, and Nicholas H. Oberlies. "Colchicinoids fromColchicum crocifoliumBoiss.: a case study in dereplication strategies for (-)-Colchicine and related analogues using LC-MS and LC-PDA techniques." Phytochemical Analysis 19, no. 5 (2008): 385–94. http://dx.doi.org/10.1002/pca.1060.

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Rangelov Kozhuharov, Vanya, Stanislava Ivanova, Vanya Nalbantova, Niko Benbassat та Kalin Ivanov. "Development and validation of an LC-PDA method for detection of the natural β2 agonist higenamine". Pharmacia 72 (21 травня 2025): 1–7. https://doi.org/10.3897/pharmacia.72.e151153.

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Higenamine is a natural β2 agonist that can be found in the extracts of many plants, including Nelumbo nucifera Gaertn., Tinospora crispa L., Nandina domestica Thunb., Gnetum parvifolium Warb., Asarum sieboldii Miq., Asarum heterotropoides F. Schmidt, Aconitum carmichaelii Debeaux, and Aristolochia brasiliensis Mart. & Zucc. Since 2017, the compound has been included in WADA’s prohibited list, and its detection in the biological samples of professional athletes is regarded as a violation of the anti-doping rules. Currently, many dietary supplements (DSs) contain plants that are rich in hig

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Rangelov, Kozhuharov Vanya, Stanislava Ivanova, Vanya Nalbantova, Niko Benbassat та Kalin Ivanov. "Development and validation of an LC-PDA method for detection of the natural β2 agonist higenamine". Pharmacia 72 (21 травня 2025): 1–7. https://doi.org/10.3897/pharmacia.72.e151153.

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Higenamine is a natural <i>β<sub>2</sub></i> agonist that can be found in the extracts of many plants, including <i>Nelumbo nucifera</i> Gaertn., <i>Tinospora crispa</i> L., <i>Nandina domestica</i> Thunb., <i>Gnetum parvifolium</i> Warb., <i>Asarum sieboldii</i> Miq., <i>Asarum heterotropoides</i> F. Schmidt, <i>Aconitum carmichaelii</i> Debeaux, and <i>Aristolochia brasiliensis</i> Mart. & Zucc. Since 2017, the compound has been included in WADA's prohibited list, and its detection in the biological samples of professional athletes is regarded as a violation of the anti-doping rules. Cur

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