Relevant bibliographies by topics / HPLC-UV detector

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'HPLC-UV detector'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "HPLC-UV detector"

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Soliman, Karim, Feras Jirjees, Rahul Sonawane, et al. "Latanoprost Quantification in Ocular Implants and Tissues: HPLC-Fluorescence vs HPLC-UV." Journal of Chromatographic Science 59, no. 1 (2020): 64–70. http://dx.doi.org/10.1093/chromsci/bmaa078.

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Abstract Anti-glaucoma latanoprost-loaded ocular implants provide prolonged delivery and enhanced bioavailability relative to the conventional eye drops. This study aims at the development and validation of a reversed-phase high-performance liquid chromatography method for quantitative analysis of nanogram levels of latanoprost in the eye, and for the first time, compares the use of fluorescence vs ultraviolet (UV) detectors in latanoprost quantification. The mobile phase was composed of acetonitrile:0.1% v/v formic acid (60:40, v/v) with a flow rate of 1 mL/min and separation was done using a
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Ramya, Sudha P., P. Bharath, and D. Ramachandran. "A validated RP-HPLC method for quantitative determination of genotoxic impurity hydrazine content in Ursodeoxycholic acid." Research Journal of Chemistry and Environment 29, no. 5 (2025): 160–68. https://doi.org/10.25303/295rjce1600168.

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A highly sensitive method for the determination of genotoxic impurity such as hydrazine in Ursodeoxycholic acid using RP-HPLC has been presented in the present study. Quantification of hydrazine content in Ursodeoxycholic acid sample by HPLC was done with UV Detector. Hydrazine was UV inactive compound. Derivatization procedure was established to detect the hydrazine in HPLC. For this, 4-Hydroxy 3-methoxybenzaldehyde was used as a derivatizing agent which reacts with hydrazine in the presence of disodium tetraborate to form a compound which was UV active. Hydrazine was determined by RP-HPLLC m
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Schmid, Stefan, Mirek Macka, and Peter C. Hauser. "Deep-UV Detector for HPLC with Light-Emitting Diode." CHIMIA International Journal for Chemistry 62, no. 10 (2008): 860. http://dx.doi.org/10.2533/chimia.2008.860.

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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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Chillar, Komal, Yipeng Yin, Adikari M. Dhananjani N. Eriyagama, and Shiyue Fang. "Determination of optical density (OD) of oligodeoxynucleotide from HPLC peak area." PeerJ Analytical Chemistry 4 (July 7, 2022): e20. http://dx.doi.org/10.7717/peerj-achem.20.

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Oligodeoxynucleotides (ODNs) are typically purified and analysed with HPLC equipped with a UV-Vis detector. Quantities of ODNs are usually determined using a UV-Vis spectrometer separately after HPLC, and are reported as optical density at 260 nm (OD260). Here, we describe a method for direct determination of OD260 of ODNs using the area of the peaks in HPLC profiles. It is expected that the method will save significant time for researchers in the area of nucleic acid research, and minimize the loss of oligonucleotide samples.
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Simranjeet, Singh Muskan Sood Anu Jindal* Rajmeet Singh Satvinder Kaur Jaswinder Singh Shaveta Bhardwaj. "Analytical Method Validation of Tablet Dosage Form of Lurasidone HCl." International Journal in Pharmaceutical Sciences 1, no. 11 (2023): 240–45. https://doi.org/10.5281/zenodo.10112998.

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This research is mainly focused on development of an Excellent Gradient method by reverse phase - high performance liquid chromatography (RP-HPLC) using UV Visible Detector. The main objective of method validation of Lurasidone HCl as a tablet dosage form is to validate the method as in-house method. As this tablet dosage form is not registered in any of Pharmacopeia, so the method is developed and validated for further studies. The sample is analyzed by RP-HPLC using octadecylsilane (C18) column (Inertsil LC-GC) as stationary phase with UV-Visible detector. The 'Gradient Method' is used as in
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Diwesh Chawla, Khushbu Kumari, and Meera Sikka. "An improved and sensitive method for nitrotyrosine estimation by reverse phase-high performance liquid chromatography." GSC Biological and Pharmaceutical Sciences 23, no. 1 (2023): 089–95. http://dx.doi.org/10.30574/gscbps.2023.22.1.0014.

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Reactive nitrogen species such as peroxynitrite anion (ONOO-), nitrogen oxide radical (NO.) may lead to nitrotyrosine formation by oxidative nitration of tyrosine. Nitrotyrosine is considered as an important marker to estimate the severity of biological oxidative damage. Therefore, in the present study, we evaluated a reverse phase-high performance liquid chromatography (RP-HPLC) method to improve the sensitivity and specificity of the nitrotyrosine estimation. The mobile phase used in the present study was methanol (pH 4.7) and 0.1% phosphoric acid (60:40%). The standard serial dilutions were
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YADAV, SHIVANAND, and NEERAJ SHARMA. "DEVELOPMENT OF REVERSE PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR SIMULTANEOUS ESTIMATION OF SILDENAFIL CITRATE AND DEPOXETINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATION." Current Research in Pharmaceutical Sciences 12, no. 1 (2022): 28–31. http://dx.doi.org/10.24092/crps.2022.120104.

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Simple, accurate and precise reversed-phase high-performance liquid chromatographic (RP-HPLC) methods for simultaneous estimation of sildenafil citrate (SIL) and depoxetine hydrochloride (DAP) in combined tablet dosage form have been developed and validated. The RP-HPLC method uses a Shimadzu – 1800, Software Version – UV Prob 2.33 with BDS hypersil C18 column and mixture of Buffer pH 4.0 and ACN in the ratio of 40:60 as the mobile phase. The detection was carried out using a UV–Visible Detector: Shimadzu SPD–20AT diode array detector set at 229 nm. Linearity of chromatographic method was foun
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Godiņa, Daniela, Raimonds Makars, Rudolfs Berzins, Aigars Paze, and Janis Rizhikovs. "Method Development for Leachable Furfural Determination in Wood-Based Panels by HPLC-Uv System." Key Engineering Materials 903 (November 10, 2021): 223–28. http://dx.doi.org/10.4028/www.scientific.net/kem.903.223.

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Analytical method has been developed and validated to determine free or leachable furfural concentration in wood-based panels. Particleboards obtained from birch wood and suberinic acids binder were chosen as a reference material. Two methods and two solvents were tested. Acetone extracts of the samples were analyzed with gas chromatography (GC) flame ionization detector system. Water extracts were analyzed with high-performance liquid chromatography-ultraviolet spectroscopy (HPLC-UV) system. After the GC data in acetone extracts furfural concentration was below method limit of detection. HPLC
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Dr., A. Madhukar Shradha Rajesh Mahajan Vaishnavi Rameshrao Siral Ravindranath Bhagwan Rathod Bhagwan Shesharao Ingole. "METHOD DEVELOPMENT AND VALIDATION OF SAXAGLIPTIN BY USING UV SPECTROPHOTOMETRIC AND RP-HPLC TECHNIQUES IN BULK AND TABLET DOSAGE FORM." Journal of Pharma Research 12, no. 02 (2023): 15–24. https://doi.org/10.5281/zenodo.8094571.

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<strong><em>ABSTRACT</em></strong> <strong>S</strong>imple, precise, economical, fast and reliable UV and RP- HPLC Techniques have been developed for the estimation of Saxagliptin in bulk and pharmaceutical dosage form. UV method is based on measurement of absorption at maximum wavelength of 281 nm for Saxagliptin. Linearity for detector response was observed in the concentration range of 1 - 18&mu;g/ml. The accuracy of the methods was assessed by recovery studies and was found to be 98.26 to 101.143 %. Separation was achieved with an Inertsil ‐ Extend ‐ C18 (250 &times; 4.6 mm, 5 &micro;m) HP
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Dissertations / Theses on the topic "HPLC-UV detector"

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Salinas, Silvia Adriana. "HPLC separation of amines with a zirconia-based column coupled to a gas- phase chemiluminescence nitrogen specific detector (CLND)." Texas A&M University, 2003. http://hdl.handle.net/1969.1/241.

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Gas phase chemiluminescence nitrogen specific detector (CLND)is used for the direct analysis of underivatized nitrogen-containing components such as alkylamines that can not be detected by the so called universal HPLC detector, the UV detector. However, alkali metal hydroxides can not be used as mobile phase constituents with the CLND because they form non volatile particulate combustion products that foul the detector. Therefore, trimethylsulfonium hydroxide (TMSOH) has been selected as a strong base for use with the CLND, because its combustion products, CO2, H2O and SxOy are volatile. An a
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Lamarca, Rafaela Silva. "Desenvolvimento de uma metodologia analítica para determinação de ácidos fenólicos em amostras de azeite de dendê (Elaeis guineensis) por HPLC com detecção simultânea no UV e eletroquímica (homemade)." Universidade Federal de Juiz de Fora, 2015. https://repositorio.ufjf.br/jspui/handle/ufjf/1552.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-05-17T11:46:34Z No. of bitstreams: 1 rafaelasilvalamarca.pdf: 2422143 bytes, checksum: 5faa827f8d908eb13b61ec3fb1c1fd93 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-06-28T13:39:59Z (GMT) No. of bitstreams: 1 rafaelasilvalamarca.pdf: 2422143 bytes, checksum: 5faa827f8d908eb13b61ec3fb1c1fd93 (MD5)<br>Made available in DSpace on 2016-06-28T13:40:00Z (GMT). No. of bitstreams: 1 rafaelasilvalamarca.pdf: 2422143 bytes, checksum: 5faa827f8d908eb13b61ec3fb1c1fd93 (MD5) Previous issue
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Fróes, Márcia Beatriz Reis. "Desenvolvimento de método para determinação de resíduos de pesticidas em frutas exóticas por dispersão da matriz em fase sólida e cromatografia líquida de alta eficiência com detector espectrofotométrico de absorção no UV-VIS com arranjo de diodos." Universidade Federal de Sergipe, 2010. https://ri.ufs.br/handle/riufs/6057.

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The fruits are an excellent source of nutrition, providing significant health benefits. The consumption of fruits with new flavors and high nutritional characteristics, called superfruits has been a worldwide trend, among them are assai and cupuassu. The presence of pesticide residues in food is a risk to the population's health. For this reagor, it is important to develop analytical methods for pesticide residues determination. The literature does not describe method for determination of pesticides in assai and cupuassu. In this context, this work aims to develop a new method based on MSPD
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Henriksson, Emma, and Martin Holm. "Kvantitativ analys av organiska syror i kylvätska." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-13499.

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Volvo Cars är ett välkänt företag som säljer bilar över hela världen. Idag skickar Volvo Cars sin kylvätska till leverantörer för analys. Processen är komplicerad och tar mycket tid. Det finns ett intresse hos Volvo Cars att själva kunna analysera kylvätskan. För att kunna göra detta krävs det att en metod som de kan använda för att analysera kylvätskan utvecklas. Examensarbetet syftar till att utveckla en metod som gör det möjligt att analysera koncentrationen av organiska syror i Volvos kylvätska. Analysen ska göras med hjälp av en High Performance Liquid Chromatography - HPLC. De organiska
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Lien, Wan-Fu. "Separation of Transition Metal Ions by HPLC, Using UV-VIS Detection." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc501145/.

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HPLC has been used and can quickly determine several ions simultaneously. The method of determination described for transition metals [Cr(III), Fe(III), Ni(II), Co(II), Cu(II), Zn(II), Cd(II), Mn(II)] and [Ca(II), Pb(II)] using HPLC with UV-VIS detection is better than the PAR complexation method commonly used. The effects of both eluent pH and detector wavelength were investigated. Results from using different pHs and wavelengths, optional analytical conditions for the separation of [Ni(II), Co(II), Cu(II)], [Cr(III), Fe(III), Ca(II), Ni(II), Cu(II)], and [Ca(II), Zn(II), Pb(II)] in one injec
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Liao, Jing-Piin. "Investigation of Copper-Natural Ligand Complexes by RP-HPLC Photodiode Array UV-VIS and Fluorescence Detection." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc332502/.

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In this study, reversed phase HPLC with dual UV photodiode (PDA) and fluorescence (FL) detection were used to investigate copper complexes with fulvic, caffeic, vanillic, salicylic, and adipic acids. Application of the RE method provided valuable information on the retention behavior and spectral characteristics of FA and model compounds. Even though the method was only applicable to VA, the use of the PDA detector allowed the UV-V is scanning of the separated peaks. This allowed the comparison between the UV-Vis spectra of uncomplexed species. The overall results provide an experimental frame
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Moura, Bruna Cordeiro Santos de. "Monitorização terapêutica da agomelatina, sertralina e venlafaxina." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/60/60134/tde-18122014-163654/.

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Atualmente, a quantidade de pacientes que são diagnosticados com alguma forma de depressão, entre elas, o transtorno depressivo maior, aumenta consideravelmente, quer seja em razão de diagnósticos mais precisos ou pela própria epidemiologia da doença. Acresça-se o fato de que muitos pacientes, apesar da quantidade de tipos de antidepressivos atualmente disponíveis para a terapêutica, são refratários ao tratamento prescrito, em razão dos efeitos adversos apresentados ou ainda em razão de simplesmente não se observar melhora com a prescrição. Em razão disso, novos tratamentos farmacológicos são
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Silva, William Kleber da. "Desenvolvimento e validação de análise de duloxetina em plasma humano, simultânea a outros antidepressivos, por cromatografia líquida de alta eficiência." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/60/60134/tde-27112014-144038/.

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Atualmente, a quantidade de pacientes que são diagnosticados com alguma forma de depressão, entre elas, o transtorno depressivo maior, aumenta consideravelmente, quer seja em razão de diagnósticos mais precisos ou pela própria epidemiologia da doença. Acresça-se o fato de que muitos pacientes, apesar da quantidade de tipos de antidepressivos atualmente disponíveis para a terapêutica, são refratários ao tratamento prescrito, em razão dos efeitos adversos apresentados, ou de seus efeitos tóxicos, ou ainda por simplesmente não se observar melhora com a prescrição seguida. Portanto, novos tratamen
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White, P. C. "HPLC multiwavelength UV/visible detection and separation techniques for the characterisation of acidic dyes encountered in forensic science." Thesis, Brunel University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293000.

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Pickering, M., and Stacy D. Brown. "Development and Validation of a High-Performance Liquid Chromatography with Ultraviolet Detection (HPLC-UV) Method for the Quantification of Ertapenem in Human Plasma." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/5290.

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Books on the topic "HPLC-UV detector"

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White, Peter Cyril. HPLC multiwavelength uv/visible detection and separation techniques for the characterisation of acidic dyes encounted in forensic science. Brunel University, 1986.

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White, Peter Cyril. HPLC multiwavelength UV/visible detection and separation techniques for the characterisation of acidic dyes encountered in forensic science. [s.n.], 1991.

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Book chapters on the topic "HPLC-UV detector"

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Hill, H. M., and K. Selinger. "Quantitation of Danazol in Serum Using HPLC Column Switching with UV Detection." In Bioanalysis of Drugs and Metabolites, Especially Anti-Inflammatory and Cardiovascular. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4757-9424-3_35.

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Bordin, Guy, Fernando Cordeiro Raposo, and Adela Rodriguez. "Mammalian metallothionein sub-isoform separation by RP-HPLC with online UV and electrochemical detection." In Metallothionein IV. Birkhäuser Basel, 1999. http://dx.doi.org/10.1007/978-3-0348-8847-9_10.

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Szabo, Hilda Marta, and Tuula Tuhkanen. "Identification of Wastewater Leaching into the Wells by HPLC-SEC Using UV and Fluorescence Detection." In Survival and Sustainability. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-95991-5_84.

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Méndez, Enrique, Julio Escribano, and Gabriel Gonzalez. "Direct Characterization of Proteins and Peptides in HPLC by Photodiode Array UV-VIS Detection: A New Approach in the Detection and Characterization of Polypeptides." In Methods in Protein Sequence Analysis. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73834-0_39.

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Oliver, Ronald W. A., and Brian W. King. "Microbore and packed capillary HPLC." In HPLC of Macromolecules. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780199635719.003.0001.

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Abstract At the present time most analysts using HPLC routinely employ columns of support material packed in stainless-steel tubing varying in length from 10 to 25 cm and with a bore between 3.9 and 8.00 mm. The most commonly used columns are the so-called analytical columns which have a bore of 4.6 mm. However, it has been demonstrated by many workers (1-4) that it is possible to achieve similar separations using columns of the same length but reduced bore. Clearly, a reduced-bore column requires a smaller quantity of support material to fill it, and the amount of sample which can be loaded o
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Stevenson, Robert Lovell. "UV-VIS Absorption Detectors for HPLC." In Liquid Chromatography Detectors. CRC Press, 2020. http://dx.doi.org/10.1201/9781003064947-2.

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Tuzimski, Tomasz. "Analysis of Pesticides by HPLC-UV, HPLC-DAD (HPLC-PDA), and Other Detection Methods." In High Performance Liquid Chromatography in Pesticide Residue Analysis. CRC Press, 2015. http://dx.doi.org/10.1201/b18481-18.

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"The Analysis of Hallucinogenic Drugs from Plants and Fungi." In Controlled Drug Analysis. Royal Society of Chemistry, 2025. https://doi.org/10.1039/9781837673056-00062.

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This chapter introduces drugs derived from plants and fungi including lysergic acid diethylamide (LSD), psilocybin (from ‘magic mushrooms’), N,N-dimethyltryptamine (DMT) and mescaline. Their physical description and chemical identification are described. The use of fluorescence detection for HPLC analysis of drugs and the greater selectivity it offers over UV and diode array detection are described. Derivatisation of this group of drugs prior to GC-MS analysis is discussed. Where the molecules are complex, for example, LSD, the value of NMR as an identification technique is emphasised. Finally
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Godela, Ramreddy, Yagnambhatla Rajendra, Kranthi Kumar Pola, Dr Beda Durgaprasad, and Rani Dumpala. "IMPLEMENTATION OF GREEN SOLVENT SYSTEM FOR THE ANALYSIS OF ADAPALENE IN BULK AND TOPICAL GEL FORMULATION BY RP-HPLC." In Futuristic Trends in Pharmacy & Nursing Volume 2 Book 25. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs25p2ch3.

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A simple and rapid stabilityindicating, RP-HPLC method was ascertained to determine adapalene in bulk and gel formulation. Separation was achieved on enable C18 column (150 x 4.6mm; 5μm) under the isocratic mode of elution by using mobile system mixture of green solvents tetrahydrofuran and methanol (30:70 V/V). The flow rate was maintained at 1.0 ml/min with runtime 10min. UV detection was done at 360 nm. The method was found to be linear for series concentration ranges from 20-100µg/ml. The limit of detection and quantification were found to be 3.27and 0.025µg/ml. Results of precision and ac
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Choudhury, Tirthankar. "REVERSE PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC METHOD AND METHOD VALIDATION OF SILYMARIN BY USING SINGLE MOBILE PHASE." In Futuristic Trends in Pharmacy & Nursing Volume 3 Book 8. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bipn8p3ch1.

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In the pharmaceutical sector, the computerization of technique development and validation is helpful in drug analysis. This article describes the development, validation, and use of a straightforward, sensitive, and accurate high-performance liquid chromatographic (HPLC) technique for the measurement of silymarin using UV detection at 284 nm. Silymarin tablets (two brands) were acquired from Allen Laboratories Ltd. (ADSYL) and from the market. Ahmedabad, Gujarat (ASIL PLUS) and Alpic Biotech Limited, respectively. On a Hypersil ODS C18 reversed-phase column, the compounds were effectively sepa
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Conference papers on the topic "HPLC-UV detector"

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AlOudah, Yahya. "Waste Management Control by Applying Novel Method for HPLC Technique to Replace SKALAR Cadmium Reduction Method for Nitrate and Nitrite in Water Analysis." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22291-ea.

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Abstract A new method was developed on High Performance Liquid Chromatography (HPLC) instrument equipped with a Photodiode Array UV detector to determine the Nitrite-Nitrogen and Nitrate-Nitrogen in seawater, industrial wastewater, and groundwater at very low concentrations. This HPLC used a reverse phase system with polar mobile phase and nonpolar C-18 Column. The split mechanism of the HPLC Chromatography was accomplished by employing acetonitrile and acidified water with pH 2.5, at 55:45 ACN: H2O v/v as a mobile phase, long HPLC Column (C-18, 0.5 μm, 250 × 4.6 mm) and at 1 mL/min flow rate.
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Tomović, Jovica, Perica Vasiljević, Aleksandar Kočović, and Nedeljko Manojlović. "HPLC/UV profile and determination of total phenolic and flavonoid contents of lichen Umbilicaria crustulosa growing in Serbia." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.511t.

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The lichens synthesize a large number of secondary metabolites and most of these compounds are unique to lichen. The present study provides data concerning the chemical characterization and determination of total phenolic and flavonoid contents of lichen extracts of Umbilicaria crustulosa. Chemical profiling of the extracts was done by high-performance liquid chromatography coupled with a UV detector (HPLC/UV), while the determination of total phenolic and flavonoid contents was done by the spectrophotometric method. HPLC analysis of the acetone and methanol extracts of U. crustulosa lichen re
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Cojocaru-Toma, Maria, Vladimir Valica, Vladilena Gandacov, Ecaterina Mazur, and Livia Uncu. "Phenolic compounds in Agrimonia eupatoria l. Ethanolic extract evaluated by HPLC." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab17.

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Agrimonia eupatoria L. (Rosaceae fam.) is widespread in temperate regions. In folk medicine, this species has been used for its astringent, analgesic and anti-inflammatory, as well as in gastrointestinal disorders. As these biological properties have been linked to its phenolic composition, this plant species could be an interesting source of bioactive compounds with therapeutic potential [1]. For the evaluation of chemical compounds in A. eupatoria extract, the aerial parts were harvested in the flowering period from the collection of the Scientific Practical Centre in the Field of Medicinal
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Muniz, Ana, and Paulo Rosa. "Determination of Tadalafil in pharmaceutical preparation of combination therapy with complex of vitamins and minerals by HPLC-UV detector." In Congresso de Iniciação Científica UNICAMP. Universidade Estadual de Campinas, 2019. http://dx.doi.org/10.20396/revpibic2720192048.

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Tan, Soo Choon, Jit Kang Lim, Wen Yin Guan, Wei Yan Lee, and Mervyn Wing On Liew. "UV LED-based lightweight fixed-wavelength detector: for the development of a miniaturized high-performance liquid chromatography (HPLC) system (Erratum)." In Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII, edited by Li-Wei Tu, Martin Strassburg, Jong Kyu Kim, and Michael R. Krames. SPIE, 2018. http://dx.doi.org/10.1117/12.2286230.

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Dagaut, Philippe, Yuri Bedjanian, Guillaume Dayma, et al. "Emission of Carbonyl and Polyaromatic Hydrocarbon Pollutants From the Combustion of Liquid Fuels: Impact of Biofuel Blending." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75136.

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The combustion of conventional fuels (Diesel and Jet A-1) with 10–20% vol. oxygenated biofuels (ethanol, 1-butanol, methyl octanoate, rapeseed oil methyl ester, diethyl carbonate, tri(propylene glycol)methyl ether, i.e., CH3(OC3H6)3OH, and 2,5-dimethylfuran) and a synthetic paraffinic kerosene was studied. The experiments were performed using an atmospheric pressure laboratory premixed flame and a four-cylinder four-stroke Diesel engine operating at 1500 rpm. Soot samples from kerosene blends were collected above a premixed flame for analysis. Polyaromatic hydrocarbons (PAHs) were extracted fr
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Chang, Sehoon, Gawain Thomas, and Wei Wang. "In-line Partition Coefficient Measurement for Oil Field Tracers Utilizing Microfluidic Mixing Chip." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213459-ms.

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Abstract Oil field tracers are extensively utilized to evaluate and understand production data, pressure test analysis, inter-well connectivity, as well as enhanced oil recovery (EOR). One of the important properties of the tracer is the partition coefficient, which is the ratio of tracer concentrations in the oil and water phases at equilibrium state. Therefore, partitioning coefficient measurement is necessary for both partitioning and non-partitioning tracer development. However, the current technology for the measurement requires large quantities of organic solvent and long measurement tim
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Li, Hui, Yongtao Chen, and Xiaoxiao Jiang. "Online Determination of the Enantiomer Concentration Using HPLC Coupled with UV and Circular Dichroism Detectors." In International Conference on Chemical,Material and Food Engineering. Atlantis Press, 2015. http://dx.doi.org/10.2991/cmfe-15.2015.12.

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Fedorowski, J., William R. LaCourse, and Michelle M. Lorah. "Photo-assisted electrochemical detection (PAED) following HPLC-UV for the determination of nitro explosives and degradation products." In SPIE Defense, Security, and Sensing, edited by Augustus W. Fountain. SPIE, 2012. http://dx.doi.org/10.1117/12.918360.

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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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Reports on the topic "HPLC-UV detector"

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อุดมกาญจนนันท์, พรพรรณ, та สุชาดา จูอนุวัฒนกุล. การตรวจวิเคราะห์สารมาลาไคต์กรีนและเมตะบอไลต์ลิวโคมาลาไคต์กรีนตกค้างในสัตว์น้ำเพาะเลี้ยงด้วยเทคนิค LC-MS/MS และเทคนิค HPLC-UV-VISIBLE : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2007. https://doi.org/10.58837/chula.res.2007.57.

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งานวิจัยนี้ได้พัฒนาวิธีวิเคราะห์MG และ LMG พร้อมกันในตัวอย่างสัตว์น้ำเพาะเลี้ยง ให้มีความถูกต้องแม่นยำสูง ด้วยการเตรียมตัวอย่างที่มีขึ้นตอนงายและรวดเร็วขึ้น ใช้เตาอบไมโครเวฟในการสกัดและคลีนอัพ และวิเคราะห์ MG และ LMG ด้วยเทคนิค LC-MS/MS มีสารคริสตัลไวโอเล็ต (Crystal violet, CV) เป็น internal standard ที่ ionpairs ดังนี้ : MG 329.3/208.2, 329.3/313.1, LMG331.3/165.4, 331.3/239.3 และ CV (internal standard) 372.2/356.3 วิธีวิเคราะห์อีกวิธีหนึ่งคือการตรวจวิเคราะห์มาลาไคต์กรีน ลิวโคมาลาไคต์กรีน คริสตัลไวโอเล็ต ลิวโคคริสตัลไวโอเล็ต ตกค้างในสัตว์น้ำเพาะเลี้ยง เช่น ปลา กุ้ง พร้อมกันด้วยเทคนิค HPLC-DAD
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อุดมกาญจนนันท์, พรพรรณ, та สุชาดา จูอนุวัฒนกุล. การตรวจวิเคราะห์สารมาลาไคต์กรีนและเมตะบอไลต์ลิวโคมาลาไคต์กรีนตกค้าง ในสัตว์น้ำเพาะเลี้ยง ด้วยเทคนิค LC-MS/MS และเทคนิค HPLC-UV-VISIBLE : รายงานการวิจัยฉบับสมบูรณ์. คณะวิทยาศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2008. https://doi.org/10.58837/chula.res.2008.37.

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งานวิจัยนี้ได้พัฒนาวิธีวิเคราะห์ MG และ LMG พร้อมกันในตัวอย่างสัตว์น้ำเพาะเลี้ยง ให้มีความถูกต้องแม่นยำสูง ด้วยการเตรียมตัวอย่างที่มีขั้นตอนง่ายและรวดเร็วขึ้น ใช้เตาอบไมโครเวฟ ในการสกัดและคลีนอัพ และวิเคราะห์ MG และ LMG ด้วยเทคนิค LC-MS/MS มีสารคริสตัลไวโอเล็ต (Crystal violet, CV) เป็น internal standard ที่ ion pairs ดังนี้ : MG 329.3/208.2, 329.3/313.1, LMG 331 .3/165.4, 331.3/239.3 และ CV (internal standard) 372.2/356.3 วิเคราะห์ปริมาณด้วยวิธี standard addition method ร่วมกับ internal standard calibration method วิธีวิเคราะห์อีกวิธีหนึ่งคือการวิเคราะห์มาลาไคต์กรีน ลิวโคมาลาไคด์กรีน คริสตัลไว
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Chutimaworapan, Suchada, Chaiyo Chaichantippayuth, and Areerat Laopaksa. Formulation of pharmaceutical products of Garcinia mangostana Linn. extracts. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.32.

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Part I: The purpose of the investigation was to develop the extraction process that was simple, practical and giving high yield. The maceration of dried powder of Garcinia mangostana fruit husk with ethyl acetate gave yellow crystalline powder of mangostin. The yield was calculated as 7.47%. The identification of the Garcinia mangostanahusk extract was carried out by thin-layer chromatography (TLC) and differential scanning calorimetry. The TLC of mangostin was done by using the alumina sheet and ethyl acetate: hexane (3:1) as mobile phase. The Rf value as compared with standard mangostin was
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Crouch, Rebecca, Jared Smith, Bobbi Stromer, et al. Methods for simultaneous determination of legacy and insensitive munition (IM) constituents in aqueous, soil/sediment, and tissue matrices. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41720.

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Currently, no standard method exists for analyzing insensitive munition (IM) compounds in environmental matrices, with or without concurrent legacy munition compounds, resulting in potentially inaccurate determinations. The primary objective of this work was to develop new methods of extraction, pre-concentration, and analytical separation/quantitation of 17 legacy munition compounds along with several additional IM compounds, IM breakdown products, and other munition compounds that are not currently included in U.S. Environmental Protection Agency (EPA) Method 8330B. Analytical methods were d
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Clifford, D. J., D. E. McKinney, Lei Hou, and P. G. Hatcher. Coal liquefaction process streams characterization and evaluation: High performance liquid chromatography (HPLC) of coal liquefaction process streams using normal-phase separation with uv diode array detection. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10143663.

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Stromer, Bobbi, Rebecca Crouch, Katrinka Wayne, Ashley Kimble, Jared Smith, and Anthony Bednar. Methods for simultaneous determination of 29 legacy and insensitive munition (IM) constituents in aqueous, soil-sediment, and tissue matrices by high-performance liquid chromatography (HPLC). Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/1168142105.

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Standard methods are in place for analysis of 17 legacy munitions compounds and one surrogate in water and soil matrices; however, several insensitive munition (IM) and degradation products are not part of these analytical procedures. This lack could lead to inaccurate determinations of munitions in environmental samples by either not measuring for IM compounds or using methods not designed for IM and other legacy compounds. This work seeks to continue expanding the list of target analytes currently included in the US Environmental Protection Agency (EPA) Method 8330B. This technical report pr
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