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Journal articles on the topic 'UPLC–PDA'

Author: Grafiati

Published: 9 September 2021

Last updated: 1 February 2022

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1

Patel, Prinesh N., D. Rajesh Kumar, S. Gananadhamu, and R. Srinivas. "Characterization of the stress degradation products of tolvaptan by UPLC-Q-TOF-MS/MS." RSC Advances 5, no. 27 (2015): 21142–52. http://dx.doi.org/10.1039/c4ra16644b.

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TVT was subjected to forced degradation under hydrolysis, oxidation, dry heat and photolysis conditions and the degradation products (DPs) formed have been characterized through UPLC-PDA and UPLC-Q-TOF-MS/MS studies.

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Zhao, Xiangsheng, Deli Wang, Hongmei Luo, and Meihua Yang. "Simultaneous determination of three alkaloids in Huperzia serrata by UPLC-PDA and UPLC-Q/TOF-MS." Analytical Methods 7, no. 5 (2015): 1770–76. http://dx.doi.org/10.1039/c4ay02775b.

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Wu, Xuejin, Lingyan Jia, Jiafan Wu, et al. "Simultaneous Determination and Quantification of Triterpene Saponins from Camellia sinensis Seeds Using UPLC-PDA-QTOF-MS/MS." Molecules 24, no. 20 (2019): 3794. http://dx.doi.org/10.3390/molecules24203794.

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Saponins in the Camellia sinensis seeds have a broad spectrum of biological properties and application potentials. However, up to now, no chromatographic methods have been developed to provide full fingerprinting and quality assurance for these saponins. This research aimed to develop a novel method to tentatively identify and quantify saponins in C. sinensis seeds by ultra-high-performance liquid chromatography coupled with photo-diode array detector and quadrupole time-of-flight mass spectrometry (UPLC-PDA-QTOF-MS/MS), and compare it with the classic vanillin-sulfuric acid assay. Fifty-one t

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Patrón-Vázquez, Jesús, Lizzie Baas-Dzul, Nelly Medina-Torres, et al. "The Effect of Drying Temperature on the Phenolic Content and Functional Behavior of Flours Obtained from Lemon Wastes." Agronomy 9, no. 9 (2019): 474. http://dx.doi.org/10.3390/agronomy9090474.

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Lemon processing generates thousands of tons of residues that can be preserved as flours by thermal treatment to obtain phenolic compounds with beneficial bioactivities. In this study, the effect of different drying temperatures (40, 50, 60, 70, 80, 90, 100 and 110 °C) on the Total Phenolic Content (TPC), antioxidant and antimicrobial activities of phenolic compounds present in Citrus. lemon (L.) Burn f waste was determined. Identification and quantification of phenolic compounds were also performed by UPLC-PDA and UPLC-ESI-MS analysis. Eriocitrin (19.79–27.29 mg g−1 DW) and hesperidin (7.63–9

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Wu, Zhi Jiang, and Ying Peng. "Analysis of Penicillin Antibiotics in Cosmetics Using Ultra Performance Liquid Chromatography." Advanced Materials Research 233-235 (May 2011): 87–90. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.87.

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In this study, the utral-performance liquid chromatography (UPLC) method with UV-PDA was utilized to develop a rapid, sensitive reliable method for analysis of 5 penicillin antibiotics in cosmetics productions which the presence of these penicillin in commercial cosmetics samples is prohibited. The samples was prepared by liquid-liquid extraction and then the analyses was carried out on UPLC-PDA. The chromatographic column used was Acquity UPLCTM BEH C18 (100 mm ×2.1 mm,1.7μm) and the mobile phase is Acetonitrile and potassium dihydrogen phosphate(PBS) Buffer solution pH 5.5. Chromatographic s

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Güzel, Remziye, Zehra Ceren Ertekin, and Erdal Dinç. "A New Application of PARAFAC Model to UPLC Dataset for the Quantitative Resolution of a Tri-Component Drug Mixture." Journal of Chromatographic Science 59, no. 4 (2021): 361–70. http://dx.doi.org/10.1093/chromsci/bmaa119.

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Abstract In the presented work, a three-way analysis of ultra-performance liquid chromatography-photodiode array (UPLC-PDA) dataset was performed by parallel factor analysis (PARAFAC) for quantitatively resolving a ternary mixture containing paracetamol and methocarbamol with indapamide selected as an internal standard in their co-eluted chromatographic conditions. Paracetamol and methocarbamol were quantified in the working range between 3–24 and 5–50 μg/mL by applying PARAFAC decomposition to UPLC-PDA data array obtained under unresolved chromatographic peak conditions. To compare the experi

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Zhu, Fenxia, Yonggang Zhao, Xiaobin Jia, Yingjie Wei, Zhenhai Zhang, and Gulinaer Wulazihan. "Study on Fingerprint of Crude and ProcessedEpimediumby UPLC-PDA-MS." Acta Chimica Sinica 70, no. 05 (2012): 635. http://dx.doi.org/10.6023/a1105271.

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8

Ma, Pei, Kun Luo, Yong Peng, et al. "QUALITY CONTROL OFPOLYGONUM CUSPIDATUMBY UPLC-PDA AND RELATED STATISTICAL ANALYSIS." Journal of Liquid Chromatography & Related Technologies 36, no. 20 (2013): 2844–54. http://dx.doi.org/10.1080/10826076.2012.723096.

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9

Bairwa, Khemraj, Amit Srivastava, and Sanjay Madhukar Jachak. "Quantitative Analysis of Boeravinones in the Roots ofBoerhaavia Diffusaby UPLC/PDA." Phytochemical Analysis 25, no. 5 (2014): 415–20. http://dx.doi.org/10.1002/pca.2509.

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10

Zhang, Shuang, Zong-ping Zheng, Mao-mao Zeng, et al. "A novel isoflavone profiling method based on UPLC-PDA-ESI-MS." Food Chemistry 219 (March 2017): 40–47. http://dx.doi.org/10.1016/j.foodchem.2016.09.120.

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11

Ruan, Jiaqi, Zhengyue Liu, Feng Qiu, Henan Shi, and Manyuan Wang. "Simultaneous Quantification of Five Sesquiterpene Components after Ultrasound Extraction in Artemisia annua L. by an Accurate and Rapid UPLC–PDA Assay." Molecules 24, no. 8 (2019): 1530. http://dx.doi.org/10.3390/molecules24081530.

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Objective: To develop an accurate and rapid ultra-performance liquid chromatography (UPLC) coupled with a photodiode array (PDA) method for the simultaneous determination of artemisinin (Art), arteannuin B (Art B), arteannuin C (Art C), dihydroartemisinic acid (DHAA) and artemisinic acid (AA) in Artemisia annua L. Methodology: Chromatography separation was performed on an ACQUITY UPLC BEH C18 Column with isocratic elution; the mobile phase was 0.1% formic acid aqueous solution (A) and acetonitrile (B) (A:B = 40:60, v/v). Data were recorded at an ultraviolet (UV) wavelength of 191 nm for Art, A

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12

Makwana, Sheetal, Madhavi Patel, Devang Prajapati, Chandni Shingala, Jatin Upadhyay, and Anamik Shah. "Validated Stability Indicating Chromatographic Method for the Simultaneous Estimation of Camylofin with NSAID Drugs and a New Approach of Method Transfer from Classical HPLC to a Modern UPLC Instrument." Chromatography Research International 2016 (October 11, 2016): 1–7. http://dx.doi.org/10.1155/2016/1596021.

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The presented work describes the method development of simultaneous determination of camylofin dihydrochloride (CMF), diclofenac potassium (DCF), and Paracetamol (PCM) using reversed phase high performance liquid chromatography (HPLC-UV) and the method was further transferred to a new generation instrument, ultraperformance liquid chromatography (UPLC-PDA). The detailed validation was carried out for the combination tablet formulation of CMF and DCF by UPLC-PDA. From the method development study, Acquity UPLC HSS C18 (2.1 × 50 mm, 1.8 μm) was finally selected for validation. The satisfactory r

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BĚLÁKOVÁ, Sylvie, Karolína BENEŠOVÁ, Renata MIKULÍKOVÁ, and Zdeněk SVOBODA. "Monitoring of changes of ferulic acid content in brewing materials using the UPLC method with PDA detector.." Kvasny Prumysl 56, no. 6 (2010): 266–69. http://dx.doi.org/10.18832/kp2010032.

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14

Kowalska, I., D. Jedrejek, K. Jonczyk, and A. Stochmal. "UPLC–PDA–ESI–MS analysis and TLC–DPPH· activity of wheat varieties." Acta Chromatographica 31, no. 2 (2019): 151–56. http://dx.doi.org/10.1556/1326.2017.00416.

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15

Farag, Nermeen F., Mohamed A. Farag, Enas H. Abdelrahman, Shadia M. Azzam, and El-Sayeda A. El-Kashoury. "Metabolites profiling ofChrysanthemum pacificumNakai parts using UPLC-PDA-MS coupled to chemometrics." Natural Product Research 29, no. 14 (2015): 1342–49. http://dx.doi.org/10.1080/14786419.2015.1025396.

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16

Arathi, Bangalore Prabhashankar, Poorigali Raghavendra Rao Sowmya, Kariyappa Vijay, et al. "An Improved Method of UPLC-PDA-MS/MS Analysis of Lycopene Isomers." Food Analytical Methods 8, no. 8 (2015): 1962–69. http://dx.doi.org/10.1007/s12161-014-0083-5.

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17

Troalen, Lore G., Ashley S. Phillips, David A. Peggie, Perdita E. Barran, and Alison N. Hulme. "Historical textile dyeing with Genista tinctoria L.: a comprehensive study by UPLC-MS/MS analysis." Anal. Methods 6, no. 22 (2014): 8915–23. http://dx.doi.org/10.1039/c4ay01509f.

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A new UPLC-PDA MS/MS method has been applied to reference and historical yarns dyed with dyer's greenweed (Genista tinctoria L.). The effect of photo-degradation and textile preparation techniques (such as over-dyeing) on the dye fingerprint was investigated and the results correlated with those obtained from historical samples from the Burrell and Bodleian collections, UK.

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18

Ortigara, Rodolfo, Martin Steppe, and Cássia Virginia Garcia. "Stability-indicating UPLC-PDA Method for Ambrisentan Tablets and Identification of a Main Degradation Product by UPLC-MS/MS." Current Pharmaceutical Analysis 16, no. 1 (2019): 55–63. http://dx.doi.org/10.2174/1573412914666181003140449.

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Background: Ambrisentan is a drug used to treat the pulmonary arterial hypertension symptoms, commercialized as coated tablets. Drug quality control is an essential part for the development and release of drugs for consumption; however, there are few studies related to the proposition of analytical methods and stability study for ambrisentan. Objective: The development of an UPLC assay of ambrisentan in tablets with degradation product`s elucidation was proposed. Methods: Tests with different solvents and chromatographic columns were carried out, achieving an optimal condition using mobile pha

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19

Yin, Huihui, Xiaowen Ji, Fei Meng, et al. "Evaluation and identification of antioxidative components of Radix Rhodomyrti by DPPH–UPLC–PDA coupled with UPLC–QTOF-MS/MS." Chemical Papers 75, no. 7 (2021): 3273–81. http://dx.doi.org/10.1007/s11696-021-01544-8.

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Xing, Z. h., W. J. Peng, W. Huang, X. Huang, and W. p. Liu. "Analysis of Major Constituents in Fructus aurantii-Magnolia Bark Decoction by UPLC-PDA." Journal of Chromatographic Science 52, no. 8 (2013): 826–30. http://dx.doi.org/10.1093/chromsci/bmt122.

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21

Zhang, Weize, Guo Nan, Hong-Hua Wu, et al. "A Simple and Rapid UPLC-PDA Method for Quality Control of Nardostachys jatamansi." Planta Medica 84, no. 08 (2017): 536–43. http://dx.doi.org/10.1055/s-0043-123655.

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Abstract Nardostachys jatamansi is a well-documented herbal agent used to treat digestive and neuropsychiatric disorders in oriental medicinal systems. However, few simple, rapid, and comprehensive methods were reported for quality assessment and control of N. jatamansi. Herein, a UPLC with photodiode array detection method was developed for both fingerprint investigation of N. jatamansi and simultaneous quantitative analysis of the six serotonin transporter modulatory constituents in N. jatamansi. For chromatographic fingerprinting, 24 common peaks were selected as characteristic peaks to ass

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22

He, Min, Hui-Ying Lv, Ya-Ping Li, et al. "A multiplex approach for the UPLC-PDA-MS/MS data: analysis of licorice." Analytical Methods 6, no. 7 (2014): 2239. http://dx.doi.org/10.1039/c3ay41861h.

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23

Patel, A. J., N. K. Patel, A. J. Vyas, A. B. Patel, and A. I. Patel. "RP-UPLC Stability Indicating Assay Method for Simultaneous Estimation of Dextromethorphan Hydrobromide and Chlorpheniramine Maleate in Tablet Dosage Form." Asian Journal of Organic & Medicinal Chemistry 5, no. 3 (2020): 192–96. http://dx.doi.org/10.14233/ajomc.2020.ajomc-p269.

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RP-UPLC method was developed and validated for the determination of chlorpheniramine maleate and dextromethorphan hydrobromide in tablet dosage form. Reverse phase waters acquity UPLC BEH C18 (50 mm × 2.1 mm, 1.7 μm) column using isocratic mobile phase of 0.5 mL 0.1% TFA (trifluroacetic acid) in H2O:CH3CN (70:30 %v/v). The flow rate was 0.2 mL/min and 252 nm wavelength use for detection on PDA detector. The retention time of chlorpheniramine maleate was 1.2 min and 2.2 min for dextromethorphan hydrobromide. Chlorpheniramine maleate and dextromethorphan hydrobromide was subjected to stress cond

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24

Боков, Дмитрий Олегович, та Ирина Александровна Самылина. "Идентификация флавоноидов настоек гомеопатических матричных Galanthus woronowii Losinsk. и Galanthus nivalis L. методом ультраэффективной жидкостной хроматографии с фотодиодноматричным и тандемным квадрупольным масс-селективным детекторами". Химико-фармацевтический журнал 50, № 7 (2016): 28–34. http://dx.doi.org/10.30906/0023-1134-2016-50-7-28-34.

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Определён флавоноидный профиль настоек гомеопатических матричных (НГМ) 2 видов подснежника — подснежника Воронова (Galanthus woronowii Losinsk.) и подснежника белоснежного (Galanthus nivalis L.) — методом ультраэффективной жидкостной хроматографии с фотодиодноматричным и тандемным квадрупольным масс-селективным детекторами (UPLC/PDA/MS/MS). В НГМ подснежников идентифицированы флавоноловые гликозиды, агликонами которых являются кверцетин (0,075 ± 0,0047)% и изорамнетин (0,043 ± 0,0028)% в НГМ подснежника Воронова, кверцетин (0,029 ± 0,0026)% и кемпферол (0,011 ± 0,0009)% в НГМ подснежника белос

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25

kumar, Anshul, Chandana Majee, and Vivek Namdev. "Analytical Method development and Validation of Lamivudine in Formulation by using Reversed Phase Ultra Performance Liquid Chromatography." International Journal of PharmTech Research 13, no. 2 (2020): 1–6. http://dx.doi.org/10.20902/ijptr.2019.130201.

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Aim of the experiment was to develop a simple, specific and accurate reverse phase ultra-performance liquid chromatographic (UPLC) method for the determination of lamivudine in the tablet dosage forms. The chromatographic separation was achieved on Acquity UPLC HSST3 (2.1 x 100mm) 1.8 um particle size and the mobile phase containing 0.1%TFA: MeOH for lamivudine. The run time was 10 min and the retention time of lamivudine was about 4.6. The detection was carried out 215nm using photo diode array detector (PDA) with a flow rate 0.6 ml/min. The linearity of lamivudine with correlation coefficien

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He, Wei, Maomao Zeng, Jie Chen, et al. "Identification and Quantitation of Anthocyanins in Purple-Fleshed Sweet Potatoes Cultivated in China by UPLC-PDA and UPLC-QTOF-MS/MS." Journal of Agricultural and Food Chemistry 64, no. 1 (2015): 171–77. http://dx.doi.org/10.1021/acs.jafc.5b04878.

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27

Faqueti, Larissa G., Louis P. Sandjo, and Maique W. Biavatti. "Simultaneous identification and quantification of polymethoxyflavones, coumarin and phenolic acids in Ageratum conyzoides by UPLC-ESI-QToF-MS and UPLC-PDA." Journal of Pharmaceutical and Biomedical Analysis 145 (October 2017): 621–28. http://dx.doi.org/10.1016/j.jpba.2017.07.034.

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28

Stój, Anna, Ireneusz Kapusta, and Dorota Domagała. "Classification of Red Wines Produced from Zweigelt and Rondo Grape Varieties Based on the Analysis of Phenolic Compounds by UPLC-PDA-MS/MS." Molecules 25, no. 6 (2020): 1342. http://dx.doi.org/10.3390/molecules25061342.

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The authentication of grape variety from which wine is produced is necessary for protecting a consumer from adulteration and false labelling. The aim of this study was to analyze phenolic compounds in red monovarietal wines produced from Zweigelt (Vitis vinifera) and Rondo (non-Vitis vinifera) varieties while using the UPLC-PDA-MS/MS method and to assess whether these wines can be classified according to grape variety that is based on chemometric analysis. Fifty-five phenolic compounds belonging to five classes—anthocyanins, flavonols, flavan-3-ols, phenolic acids, and stilbenes—were identifie

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29

Zhang, Lin, Chengying Wang, Dezu Miao, et al. "Simultaneous determination of six constituents in Mahuang Fuzi Xixin by UPLC-PDA–MS/MS." Natural Product Research 29, no. 8 (2014): 772–75. http://dx.doi.org/10.1080/14786419.2014.983104.

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30

Viinamäki, J., and I. Ojanperä. "O31: Comprehensive non-MS drug screening by UPLC-PDA-CAD with durable quantitative calibration." Toxicologie Analytique et Clinique 26, no. 2 (2014): S18—S19. http://dx.doi.org/10.1016/s2352-0078(14)70039-3.

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31

Bharathi, Tumkur Ramasetty, Shailasree Sekhar, Kigga Kadappa Sampath Kumara, Mudalabeedu Chandregowda Madhusudhan, and Harishchandra Sripathy Prakash. "Metabolite profiling by UPLC-PDA-ESI/HDMS and antibacterial activity of Memecylon talbotianum Brandis." Pharmacognosy Communications 6, no. 4 (2016): 225–31. http://dx.doi.org/10.5530/pc.2016.4.5.

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32

Hu, Chao, Qiande Liang, Xianglin Tang, et al. "In vivo metabolite identification of bakuchiol in rats by UPLC/ESI–PDA–QTOF–MS." Fitoterapia 106 (October 2015): 129–34. http://dx.doi.org/10.1016/j.fitote.2015.09.005.

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33

An, Kang, Guo Jin-rui, Zhang Zhen, and Wang Xiao-long. "Simultaneous Quantification of Ten Active Components in Traditional Chinese Formula Sijunzi Decoction Using a UPLC-PDA Method." Journal of Analytical Methods in Chemistry 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/570359.

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Sijunzi decoction (SJZT), a traditional Chinese formula (TCMF) consisting of four herbs, has been widely used for the treatment of various gastrointestinal symptoms. However, its modernization process is hindered by the lack of a powerful quality control method that covers the major active components in the formula. The aim of this study was to establish a UPLC method for the quantitative determination of ten active components in Sijunzi decoction including ginsenoside Rg1, Re, Rb1, liquiritin, liquiritigenin, glycyrrhizic acid, atractylenolide I, atractylenolide II, atractylenolide III, and p

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34

Ahmad, Niyaz, Rizwan Ahmad, Md Alam, and Farhan Ahmad. "Quantification and Brain Targeting of Eugenol-Loaded Surface Modified Nanoparticles Through Intranasal Route in the Treatment of Cerebral Ischemia." Drug Research 68, no. 10 (2018): 584–95. http://dx.doi.org/10.1055/a-0596-7288.

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Abstract Objective To enhance brain bioavailability for intranasally administered Eugenol-encapsulated-chitosan-coated-PCL-Nanoparticles (CS-EUG-PCL-NPs). Methods Chitosan-coated-PCL-Nanoparticles (CS-PCL-NPs) were developed through double emulsification-solvent evaporation technique and further characterized for particle size, zeta potential, size distribution, encapsulation efficiency as well as in vitro drug release. UPLC-PDA method was developed to evaluate brain-drug uptake for optimized CS-EUG-PCL-NPs and to determine it’s pharmacokinetic in rat’s brain as well as plasma. Results Mean pa

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Zhou, Shujun, Jiliang Cao, Feng Qiu, Weijun Kong, Shihai Yang, and Meihua Yang. "Simultaneous Determination of Five Bioactive Components in Radix Glycyrrhizae by Pressurised Liquid Extraction Combined with UPLC-PDA and UPLC/ESI-QTOF-MS Confirmation." Phytochemical Analysis 24, no. 6 (2013): 527–33. http://dx.doi.org/10.1002/pca.2427.

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Zhao, Ziyan, Shasha He, Yan Hu, et al. "Fruit flavonoid variation between and within four cultivated Citrus species evaluated by UPLC-PDA system." Scientia Horticulturae 224 (October 2017): 93–101. http://dx.doi.org/10.1016/j.scienta.2017.05.038.

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37

Zhu, F., J. Chen, J. Wang, R. Yin, X. Li, and X. Jia. "Qualitative and Quantitative Analysis of the Constituents in Danmu Preparations by UPLC-PDA-TOF-MS." Journal of Chromatographic Science 52, no. 8 (2013): 862–71. http://dx.doi.org/10.1093/chromsci/bmt129.

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38

Farag, Mohamed A., Mohamed S. Abdelfattah, Sherif E. A. Badr, and Ludger A. Wessjohann. "Profiling the chemical content of Ficus lyrata extracts via UPLC-PDA-qTOF-MS and chemometrics." Natural Product Research 28, no. 19 (2014): 1549–56. http://dx.doi.org/10.1080/14786419.2014.926353.

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Farag, Mohamed A., Aisha H. Abou Zeid, Manal A. Hamed, Zeinab Kandeel, Hanaa M. El-Rafie, and Radwa H. El-Akad. "Metabolomic fingerprint classification of Brachychiton acerifolius organs via UPLC-qTOF-PDA-MS analysis and chemometrics." Natural Product Research 29, no. 2 (2014): 116–24. http://dx.doi.org/10.1080/14786419.2014.964710.

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40

Alajmi, Mohamed Fahad, Perwez Alam, Md Tabish Rehman, et al. "Interspecies Anticancer and Antimicrobial Activities of GenusSolanumand Estimation of Rutin by Validated UPLC-PDA Method." Evidence-Based Complementary and Alternative Medicine 2018 (July 3, 2018): 1–13. http://dx.doi.org/10.1155/2018/6040815.

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Solanaceae is one of the highly diverse plant families of whichSolanumis the largest genera (1700 species) containing several pharmacological properties like anticancer and antimicrobial. This motivated us to explore the anticancer (against HepG2, HEK-293, and MCF-7 cells) and antimicrobial (againstS. aureus, E. coli, P. aeruginosa,andC. albicans) properties ofS. schimperianum,S. villosum,S. coagulans,S. glabratum,S. incanum,andS. nigrumalong with rutin estimation by UPLC-PDA method. Of the studiedSolanumextracts,S. nigrumexhibited significant cytotoxic property against HepG2 (IC50: 20.4μg/mL)

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Iram, Farah, Perwez Alam, Nasir A. Siddiqui, et al. "Development of a stress induced validated UPLC-PDA method for the analysis of Eslicarbazepine acetate." Saudi Pharmaceutical Journal 26, no. 2 (2018): 286–91. http://dx.doi.org/10.1016/j.jsps.2017.11.009.

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42

Rubert‐Nason, Kennedy F., and Richard L. Lindroth. "Analysis of condensed tannins inPopulusspp. using reversed phase UPLC‐PDA‐(−)esi‐MS following thiolytic depolymerisation." Phytochemical Analysis 30, no. 3 (2018): 257–67. http://dx.doi.org/10.1002/pca.2810.

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Tao, Wei-Wei, Jin-Ao Duan, Nian-Yun Yang, et al. "Determination of Nucleosides and Nucleobases in the Pollen of Typha Angustifolia by UPLC-PDA-MS." Phytochemical Analysis 23, no. 4 (2011): 373–78. http://dx.doi.org/10.1002/pca.1367.

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Liao, Shang-Gao, Yue-Ting Li, Li-Juan Zhang, et al. "UPLC-PDA-ESI-MS/MS Analysis of Compounds Extracted by Cardiac h9c2 Cell fromPolygonum orientale." Phytochemical Analysis 24, no. 1 (2012): 25–35. http://dx.doi.org/10.1002/pca.2374.

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Farag, Mohamed A., Mohamed G. Sharaf Eldin, Hanaa Kassem, and Mohamed Abou el Fetouh. "Metabolome Classification ofBrassica napusL. Organs via UPLC-QTOF-PDA-MS and Their Anti-oxidant Potential." Phytochemical Analysis 24, no. 3 (2012): 277–87. http://dx.doi.org/10.1002/pca.2408.

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Fattahi, Azin, Abolfazl Shakeri, Zahra Tayarani‐Najaran, et al. "UPLC–PDA‐ESI–QTOF–MS/MS and GC‐MS analysis of Iranian Dracocephalum moldavica L." Food Science & Nutrition 9, no. 8 (2021): 4278–86. http://dx.doi.org/10.1002/fsn3.2396.

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Patel, D. M., B. Rana, S. Maru, et al. "Stability Indicating RP-UPLC Photo-Diode Array based Method for Determination of Edoxaban Tosylate." Asian Journal of Organic & Medicinal Chemistry 5, no. 3 (2020): 273–76. http://dx.doi.org/10.14233/ajomc.2020.ajomc-p270.

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The objective of the current study was to develop a specific, precise, accurate and robust gradient stability indicating reversed-phase ultra performance liquid chromatography (RP-UPLC-PDA) assay method and validated for determination of edoxaban tosylate in API. Gradient separation was achieved on an acquity UPLC BEH C18 column (50 mm, 2.1 mm and 1.7 μm) column using mobile phase of acetoitrile:20 mM potassium dihydrogen phosphate, pH 3.0 ± 0.05 adjust with OPA at flow rate of 0.6 mL/min, the injection volume was 1 μL and the detection was carried out of 289 nm by using photodiode array detec

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Oszmiański, Jan, Sabina Lachowicz, Paulina Nowicka, Paweł Rubiński, and Tomasz Cebulak. "Evaluation of Innovative Dried Purée from Jerusalem Artichoke—In Vitro Studies of Its Physicochemical and Health-Promoting Properties." Molecules 26, no. 9 (2021): 2644. http://dx.doi.org/10.3390/molecules26092644.

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The present study aimed to evaluate the effect of Jerusalem artichoke processing methods and drying methods (freeze drying, sublimation drying, vacuum drying) on the basic physicochemical parameters, profiles and contents of sugars and polyphenolic compounds, and health-promoting properties (antioxidant activity, inhibition of the activities of α-amylase, α-glucosidase, and pancreatic lipase) of the produced purée. A total of 25 polyphenolic compounds belonging to hydroxycinnamic phenolic acids (LC-PDA-MS-QTof) were detected in Jerusalem artichoke purée. Their average content in the raw materi

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Charbe, Nitin B., Flavia C. Zacconi, Nikhil Amnerkar, B. Ramesh, Murtaza M. Tambuwala, and Emilio Clementi. "Bio-analytical Assay Methods used in Therapeutic Drug Monitoring of Antiretroviral Drugs-A Review." Current Drug Therapy 14, no. 1 (2019): 16–57. http://dx.doi.org/10.2174/1574885514666181217125550.

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Background: Several clinical trials, as well as observational statistics, have exhibited that the advantages of antiretroviral [ARV] treatment for humans with Human Immunodeficiency Virus / Acquired Immune Deficiency Syndrome HIV/AIDS exceed their risks. Therapeutic drug monitoring [TDM] plays a key role in optimization of ARV therapy. Determination of ARV’s in plasma, blood cells, and other biological matrices frequently requires separation techniques capable of high effectiveness, specific selectivity and high sensitivity. High-performance liquid chromatography [HPLC] coupled with ultraviole

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Dubey, Somshankar, and Mahesh Duggirala. "SIMULTANEOUS ESTIMATION OF LAMIVUDINE, ABACAVIR AND DOLUTEGRAVIR BY UPLC METHOD." International Journal of Applied Pharmaceutics 10, no. 1 (2018): 46. http://dx.doi.org/10.22159/ijap.2018v10i1.21156.

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Objective: To develop a simple, rapid, sensitive and effective reverse phase ultra-performance liquid chromatographic method (RP-UPLC) for simultaneous quantification of lamivudine, abacavir and dolutegravir in pure and tablet dosage forms.Methods: Chromatographic separation was performed by using Waters-ACQUITY UPLC system equipped with auto sampler, photodiode array (PDA) detector, zodiac sil RP C18 (4.6 mm × 250 mm, 3.0 µm) column, phosphate buffer (pH 3.0) and methanol in the ratio of 30:70 %v/v have been delivered at a flow rate of 0.25 ml/min and the detection was carried out using a Ult

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