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Artículos de revistas sobre el tema "Liquid chromatography research"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 21 de febrero de 2023

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1

Yatsenko, Larisa Anatolyevna, Maria Yurevna Printseva, Ilya Danilovich Cheshko, and Artur Alexandrovich Tumanovsky. "Detection of residues and determination of the composition of combustible components in case of explosions of vapor-gas-air mixtures." Technology of technosphere safety 97 (2022): 51–60. http://dx.doi.org/10.25257/tts.2022.3.97.51-60.

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Introduction. Liquefied hydrocarbon gases (LHG) are widely used in various fields. The main components of LHG are: propane, isobutane and n-butane, which are not only combustible, but also explosive gases capable of detonation combustion. The detection of LHG in the air is a very urgent task in expert studies. To determine the component composition of various flammable liquids, for the purpose of their identification, chromatographs equipped with a capillary quartz column with a phase that allows detecting saturated hydrocarbons of the homologous series from pentane to pentatetracontane inclus

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2

Lange, Mike, Zhixu Ni, Angela Criscuolo, and Maria Fedorova. "Liquid Chromatography Techniques in Lipidomics Research." Chromatographia 82, no. 1 (November 16, 2018): 77–100. http://dx.doi.org/10.1007/s10337-018-3656-4.

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3

Wang, Peng, Jun Cai, Dong Hao Li, and Xiang Fan Piao. "Research on Multidimensional Liquid Chromatography Sample Pretreatment System." Applied Mechanics and Materials 701-702 (December 2014): 832–35. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.832.

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Using multidimensional liquid chromatography technology, a liquid chromatography sample pretreatment system which was controlled by a microcontroller was designed. Real sample pretreatment experiments have been done. The experimental results showed that the complex samples can be separated effectively with this system according to 3 polarities. The operation of this system is simple, fast and high automatic, which meet the requirements of pretreatment of liquid chromatography complex samples.

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4

YANG, Sandong, Naijie LI, Zhou MA, Tao TANG, and Tong LI. "Research advances in nano liquid chromatography instrumentation." Chinese Journal of Chromatography 39, no. 10 (October 1, 2021): 1065–76. http://dx.doi.org/10.3724/sp.j.1123.2021.06017.

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5

van de Meent, Michiel H. M., and Gerhardus J. de Jong. "Novel liquid-chromatography columns for proteomics research." TrAC Trends in Analytical Chemistry 30, no. 11 (December 2011): 1809–18. http://dx.doi.org/10.1016/j.trac.2011.06.012.

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6

Arnold, P. J., R. Guserle, V. Luckow, R. Hemmer, and H. Grote. "Liquid chromatography-mass spectrometry in metabolic research." Journal of Chromatography A 554, no. 1-2 (August 1991): 267–80. http://dx.doi.org/10.1016/s0021-9673(01)88455-7.

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7

Dembek, Mikołaj, and Szymon Bocian. "Stationary Phases for Green Liquid Chromatography." Materials 15, no. 2 (January 6, 2022): 419. http://dx.doi.org/10.3390/ma15020419.

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Industrial research, including pharmaceutical research, is increasingly using liquid chromatography techniques. This involves the production of large quantities of hazardous and toxic organic waste. Therefore, it is essential at this point to focus interest on solutions proposed by so-called “green chemistry”. One such solution is the search for new methods or the use of new materials that will reduce waste. One of the most promising ideas is to perform chromatographic separation using pure water, without organic solvents, as a mobile phase. Such an approach requires novel stationary phases or

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8

Schmidt, Axel, Fabian Mestmäcker, Lisa Brückner, Tobias Elwert, and Jochen Strube. "Liquid-Liquid Extraction and Chromatography Process Routes for the Purification of Lithium." Materials Science Forum 959 (June 2019): 79–99. http://dx.doi.org/10.4028/www.scientific.net/msf.959.79.

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Since several years, the lithium market is characterized by high growth rates especially due to the increasing demand for lithium-ion batteries. Therefore, the primary production is currently expanded and there is a growing interest in recycling. However, because of the chemical properties of lithium, many production processes lack efficient processes for the separation, concentration and purification of lithium. This article reviews the current use of liquid-liquid extraction (LLE) and chromatography in lithium production as well as research. Currently, the industrial application of LLE and c

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9

Kataev, S. S., O. N. Dvorskaya, M. A. Gofenberg, A. V. Labutin, and A. B. Melentyev. "ANALYTICAL FEATURES OF SYNTHETIC MDMB(N)-073F CANNABIMIMETICS AND ITS MARKERS IN BIOLOGICAL MATERIAL." Pharmacy & Pharmacology 7, no. 4 (September 10, 2019): 184–97. http://dx.doi.org/10.19163/2307-9266-2019-7-4-184-197.

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The aim of the research is to study both analytical features of synthetic MDMB(N)-073F cannabimimetics of indazole carboxamides group by gas chromatography methods combined with tandem mass spectrometry (GC-MS) and high performance liquid chromatography with high-resolution mass spectrometry (HPLC-HRMS) as well as characteristics of the major MDMB(N)-073F metabolite, its glucuronide and derivatives, using gas chromatography with mass-spectrometric (GC-MS) detection and high-performance liquid chromatography (HPLC) with MS/MS mass spectrometry (HPLC-MS/MS) in urine samples to be applied in expe

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10

Wang, Chao, Qiang Ma, and Xing Wang. "Determination of Alkylphenol Ethoxylates in Textiles by Normal-Phase Liquid Chromatography and Reversed-Phase Liquid Chromatography/Electrospray Mass Spectrometry." Journal of AOAC INTERNATIONAL 90, no. 5 (September 1, 2007): 1411–17. http://dx.doi.org/10.1093/jaoac/90.5.1411.

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Abstract Comprehensive analytical methods based on pressurized liquid extraction followed by normal-phase liquid chromatography (NPLC) with ultraviolet detection and reversed-phase liquid chromatography (RPLC)/electrospray mass spectrometry (MS) have been developed for determination of alkylphenol ethoxylates (APEOs) in textile samples. NPLC with an aminosilica column allowed for the chromatographic separation of APEOs according to the increasing number of ethylene units and revealed the exact distribution of individual oligomers. RPLC coupled with electrospray MS was highly sensitive and enab

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11

Gama, M. R., C. H. Collins, and C. B. G. Bottoli. "Nano-Liquid Chromatography in Pharmaceutical and Biomedical Research." Journal of Chromatographic Science 51, no. 7 (April 12, 2013): 694–703. http://dx.doi.org/10.1093/chromsci/bmt023.

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12

Forcisi, Sara, Franco Moritz, Basem Kanawati, Dimitrios Tziotis, Rainer Lehmann, and Philippe Schmitt-Kopplin. "Liquid chromatography–mass spectrometry in metabolomics research: Mass analyzers in ultra high pressure liquid chromatography coupling." Journal of Chromatography A 1292 (May 2013): 51–65. http://dx.doi.org/10.1016/j.chroma.2013.04.017.

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13

Wang, Jian Ming, Ai Hua Ao, Chang Sheng Qiao, Yu Zhong, and Yuan Yuan Zhang. "The Research Progress of Melanin." Advanced Materials Research 204-210 (February 2011): 2057–60. http://dx.doi.org/10.4028/www.scientific.net/amr.204-210.2057.

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The sources of melanin and the sorts of melanin are introduced. New techniques for extraction and analysis of natural melanin were introduced. New analytical techniques are high performance liquid chromatography, high-speed countercurrent chromatography, high performance capillary electrophoresis and chromatography-mass spectrometry. The relationship of polyketide melanogenesis molecular biology to that of nonmelanin-producing pathways in a wide range of fungi and other organisms is discussed. The applications of melanin are introduced.

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14

Alves de Castro, Artur Eduardo, Roberto Da Silva Gusmão, Dirceu Aparecido Gonçalves de Souza, Honoria Paula Alves de Sa, Regina Mara Silva Pereira, and Márcio Luiz Dos Santos. "Surgimento e Evolução do Cromatógrafo Líquido de Ultra Alta Eficiência (UPLC), sua Aplicabilidade, Vantagens e Desvantagens." UNICIÊNCIAS 25, no. 2 (December 14, 2021): 86–92. http://dx.doi.org/10.17921/1415-5141.2021v25n2p86-92.

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A cromatografia líquida convencional é uma técnica analítica que consome uma grande quantidade de solventes orgânicos, comprometendo parte significativa dos gastos com laboratórios de controle de qualidade, desenvolvimento analítico e de estabilidade nas indústrias farmacêuticas, que levou os pesquisadores a buscarem meios e alternativas que pudessem mitigar este impacto econômico e ecológico. O Cromatógrafo Líquido de Ultra Alta Eficiência ou Ultra-High Performance Liquid Chromatography – UHPLC ou UPLC - foi uma alternativa desenvolvida com esses propósitos, alternativamente às análises croma

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15

Wang, Ze, Qi Wang, Jinkui Zhang, Pengcheng Lin, and Jun Dang. "An Integrated Chromatographic Strategy for the Large-Scale Extraction of Ergosterol from Tulasnellaceae sp." Separations 9, no. 7 (July 17, 2022): 176. http://dx.doi.org/10.3390/separations9070176.

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A reliable chromatographic strategy is crucial for the extraction of target compounds from natural sources as it is related to the preparation efficiency, as well as the purity of the compounds. In this study, medium-pressure normal-phase liquid chromatography and high-pressure reverse-phase liquid chromatography were combined to prepare and purify ergosterol from Tulasnellaceae sp of Gymnadenia orchidis. First, Tulasnellaceae sp. was extracted three times (2.0 L and 2 h each time) with ethyl acetate, and the 6.0 L of extract solution was concentrated under reduced pressure to yield 2.2 g of c

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16

Karimkulov, Kurbonkul Mavlankulovich, Ikromjon Esanboyevich Uzoha, Madraim Khasanovich-Sarikulov, and Azada Abdurakhmanova. "Classification and research of food gas liquid chromatography method." ACADEMICIA: An International Multidisciplinary Research Journal 10, no. 11 (2020): 1008–19. http://dx.doi.org/10.5958/2249-7137.2020.01454.8.

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17

Frank, C., V. Karl, A. Kaunzinger, and K. Schumacher. "High performance liquid chromatography in food control and research." Journal of Chromatography A 653, no. 2 (November 1993): 385–86. http://dx.doi.org/10.1016/0021-9673(93)83201-3.

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18

Yang, Jun, Guowang Xu, Yufang Zheng, Hongwei Kong, Chang Wang, Xinjie Zhao, and Tao Pang. "Strategy for metabonomics research based on high-performance liquid chromatography and liquid chromatography coupled with tandem mass spectrometry." Journal of Chromatography A 1084, no. 1-2 (August 2005): 214–21. http://dx.doi.org/10.1016/j.chroma.2004.10.100.

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19

Scherbyna, O. "EXPERIMENTAL STUDIES ON THE DETECTION AND QUANTIFICATION OF VOLATILE FLAMMABLE AND TOXIC SUBSTANCES IN THE AIR AND BIOLOGICAL FLUIDS OF THE ORGANISM." Fire Safety, no. 32 (August 14, 2018): 74–79. http://dx.doi.org/10.32447/20786662.32.2018.11.

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The methods of isolation, purification and qualitative and quantitative determination of phenol in air and biological fluids of an organism are offered. Isolation was carried out by distillation with water vapor, purification by extraction with chloroform, and identification by qualitative reactions, by chromatography in a thin layer of sorbent and by liquid chromatography. The quantitative determination of phenol was carried out by liquid chromatography in a reverse phase (chromatograph "Tsvet-304" with an ultraviolet detector). Calculation of the quantitative content of phenol was carried ou

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20

Akhtayeva, M. B., and G. Ye Azimbayeva. "Research of amino acid content of Cichorium intybus L. and Urtica dioica L. by means of gas-liquid chromatography." Bulletin of the Karaganda University. "Chemistry" series 95, no. 3 (September 30, 2019): 8–13. http://dx.doi.org/10.31489/2019ch3/8-13.

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21

Domnina, Yu M., V. V. Suslov, S. A. Kedik, E. V. Vorfolomeeva, and A. V. Meleshko. "Quantitative Determination of Naltrexone Hydrochloride in a Nasal Spray by High-performance Liquid Chromatography." Drug development & registration 9, no. 2 (May 30, 2020): 98–104. http://dx.doi.org/10.33380/2305-2066-2020-9-2-98-104.

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Introduction. Naltrexone, an antagonist of µ-opioid receptors, is promising for the treatment of various autoimmune and oncological diseases when used in doses of 1.5–5 mg/day. To date, there are no medications that provide such dosages of naltrexone.Aim. Development and validation of a method for the quantitative determination of naltrexone hydrochloride in a nasal spray by high performance liquid chromatography (HPLC).Materials and methods. As an object of research, a naltrexone hydrochloride nasal spray was used. The quantitative determination of naltrexone in the test sample was developed

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22

Morley, Raena, and Mirjana Minceva. "Liquid–Liquid Chromatography: Current Design Approaches and Future Pathways." Annual Review of Chemical and Biomolecular Engineering 12, no. 1 (June 7, 2021): 495–518. http://dx.doi.org/10.1146/annurev-chembioeng-101420-033548.

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Since its first appearance in the 1960s, solid support–free liquid–liquid chromatography has played an ever-growing role in the field of natural products research. The use of the two phases of a liquid biphasic system, the mobile and stationary phases, renders the technique highly versatile and adaptable to a wide spectrum of target molecules, from hydrophobic to highly polar small molecules to proteins. Generally considered a niche technique used only for small-scale preparative separations, liquid–liquid chromatography currently lags far behind conventional liquid–solid chromatography and li

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23

Ashworth, Raymond B. "Liquid Chromatographic Assay of Tetracyclines in Tissues of Food-Producing Animals." Journal of AOAC INTERNATIONAL 68, no. 5 (September 1, 1985): 1013–18. http://dx.doi.org/10.1093/jaoac/68.5.1013.

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Abstract A survey of the literature is presented on liquid chromatographic (LC) determination of tetracyclines in plasma, urine, and tissues of foodproducing animals. Food Safety and Inspection Service (FSIS) research on tetracyclines during 1973-1984 is discussed, including the thin layer chromatographic qualitative identification method for tissues. Research on development of LC column packings for trace level chromatography of tetracyclines and anhydrotetracyclines is also discussed. Data are shown for recovery, ruggedness testing, and analyst qualification studies on the tentative version

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24

Zhang, Kai, Xianling Zheng, Hongfeng Zhang, Xueqiang Zhang, Yanmin Xu, Shiying Jin, and Shuang Huo. "Research Progress on the Pharmacological Effects and Quality Analysis Methods of Bupleurum." Journal of Clinical and Nursing Research 6, no. 3 (April 7, 2022): 7–13. http://dx.doi.org/10.26689/jcnr.v6i3.3836.

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Bupleurum has been used as traditional medicine in China, Japan, South Korea, and other Asian countries for more than 2,000 years. The crude extracts and pure compounds isolated from Bupleurum have a variety of biological activities, such as anti-inflammatory, anti-cancer, antipyretic, antibacterial, anti-viral, liver protection, neuroprotection, and immune regulation. The pharmacological effects of Bupleurum have been classified and summarized in this paper by consulting literatures at home and abroad. At the same time, the quality analysis methods of bupleurum, including high-performance liq

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25

Bruns, Andreas. "Applications of preparative high-performance liquid chromatography in oleochemical research." Journal of Chromatography A 536 (January 1991): 75–84. http://dx.doi.org/10.1016/s0021-9673(01)89237-2.

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26

Mellon, F. A., J. R. Chapman, and J. A. E. Pratt. "Thermospray liquid chromatography—mass spectrometry in food and agricultural research." Journal of Chromatography A 394, no. 1 (January 1987): 209–22. http://dx.doi.org/10.1016/s0021-9673(01)94173-1.

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27

Varynskyi, B. "Historical essay of the development of chromatography at the Zaporizhzhia State Medical University." Zurnal Hromatograficnogo tovaristva 21, no. 67 (December 14, 2022): 56–65. http://dx.doi.org/10.15407/zht2021.67.056.

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The purpose of this work is to analyze the chronology and state of development of chromatographic methods at the Zaporizhzhia State Medical University (ZSMU). A historical overview of the use of chromatographic methods at ZSMU is provided. First of all, emphasis is placed on the introduction of high-performance liquid chromatography and gas-liquid chromatography. The main scientific laboratories and groups that worked and are working at the Zaporizhzhia State Medical University in the field of instrumental chromatography are shown. There were groups at the Department of Biological Chemistry, t

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28

Yao, Shun, Yu Cao, Chun-mei Jia, Yan Wang, and Hang Song. "Developments of instruments and methods related with high-speed countercurrent chromatography and their applications in research of natural medicines." Open Chemistry 10, no. 3 (June 1, 2012): 417–32. http://dx.doi.org/10.2478/s11532-011-0141-4.

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AbstractHigh-speed countercurrent chromatography (HSCCC) is a liquid-liquid separation chromatographic technique which uses no solid supporting medium. During its rapid development in the last 30 years, great progress has been made in the instrumentation, the basic study and application of HSCCC. It has significant advantages over other instrumental separation techniques, in its high efficiency and continuous processing capability. In recent years, HSCCC has been widely used in research and development of natural medicines and functional foods, including preparative separation, fingerprint ana

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29

Shkurdoda, S., D. Shynkarenko, V. Pasichnyk, K. Korol, and O. Posilskyi. "EXPERT STUDY OF ISONIAZIDE IN MEAT PRODUCTS." Criminalistics and Forensics, no. 66 (2021): 785–99. http://dx.doi.org/10.33994/kndise.2020.66.57.

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The article deals with the recommendations for the detection of isoniazid in meat products, using the example of minced meat using physicochemical methods. This study does not lose its relevance over the years, due to the use of drugs for tuberculosis for poisoning homeless and domestic animals, in particular dogs, in different regions of Ukraine, the main active ingredient of which is isoniazid. The article describes a method for the extraction of isoniazid in food products of meat origin (minced meat, sausage), which presumably could or may be used to poison domestic animals, in particular d

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30

Kurbanoglu, Sevinc, Ozer Karsavurdan, and Sibel A. Ozkan. "Recent Advances on Drug Analyses Using Ultra Performance Liquid Chromatographic Techniques and their Application to the Biological Samples." Current Analytical Chemistry 15, no. 3 (May 7, 2019): 277–93. http://dx.doi.org/10.2174/1573411014666180423152612.

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Introduction: Ultra-Performance Liquid Chromatographic (UPLC) method enables analyst to establish an analysis at higher pressure than High Performance Liquid Chromatographic (HPLC) method towards liquid chromatographic methods. UPLC method provides the opportunity to study a higher pressure compared to HPLC, and therefore smaller column in terms of particle size and internal diameter are generally used in drug analysis. The UPLC method has attracted gradually due to its advantages such as short analysis time, the small amount of waste reagents and the significant savings in the cost of their d

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31

Кошеваров, N. Koshevarov, Абрамов, S. Abramov, Абрамова, E. Abramova, Мисюра, et al. "Determination of fenbendazole and its metabolites in milk by the method of liquid chromatography coupled with tandem mass-spectrometry." Russian Journal of Parasitology 3, no. 4 (December 25, 2016): 554–62. http://dx.doi.org/10.12737/23082.

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Objective of research: Development of methods for the determination of fenbendazole and its metabolites in milk by liquid chromatography coupled with tandem mass spectrometry.  Materials and methods: Fenbendazole was administered orally to five cows. Samples of milk were taken on 1, 3, 5 and 10 days of drug application. The research method includes a description of reagents, plates and equipment; mass-spectrometric conditions for analysis of fenbendazole and its metabolites; preparation of the equipment to operation; preparation of eluent solution; preparation of the chromatograph to ana

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32

Markova, E. B., A. S. Savchenko, A. G. Cherednichenko, Yu M. Averina, and V. S. Boldyrev. "Research of the Processes of Chromatographic Analysis of Medicines on HKUST-1 Metal-Organic Framework Structures." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 6 (93) (December 2020): 122–36. http://dx.doi.org/10.18698/1812-3368-2020-6-122-136.

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The paper studies the process of analysis of tetracycline and paracetamol with the use of the HKUST-1 organometallic framework sorbent by high performance liquid chromatography. To obtain experimental data using the previously described technique, a sample of the material under consideration was synthesized and its physicochemical properties were studied. It has been established that individual sorbent particles have an octahedral shape and have a porous structure capable of adsorbing chemical compounds of various nature. The specific surface of the sample was calculated using the BET method a

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33

Павлюк, Б. В., Ю. Я. Мельник, Т. А. Грошовий, М. Б. Чубка, and В. Й. Скорохода. "Research of water extraction from xenoderm as an active pharmaceutical ingredient in drugs." Farmatsevtychnyi zhurnal, no. 5 (October 1, 2020): 42–50. http://dx.doi.org/10.32352/0367-3057.5.20.05.

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Today, burns are one of the most common types of injuries in the home and at work around the world. Therefore, the issue of treatment of burns remains relevant today for medicine and pharmacy in particular. In Ukraine, the method of treatment of burns using xenodermoimplants from porcine skin is used, and therefore the crushed substrate of cryolyophilized porcine skin (xenoderm) is a promising active ingredient in the technology of various drug forms. The aim of the work was to study the structural and mechanical properties of water extract from the crushed substrate of the xenoder

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34

Kaleniecka, Aleksandra, Elżbieta Włodarczyk, Krzysztof Piaskowski, Lucyna Lewandowska та Paweł K. Zarzycki. "Unexpected Encapsulation of Selected Polycyclic Aromatic Hydrocarbons by β-Cyclodextrin Studied Using UV-Vis Spectrophotometry, Micro-Planar Chromatography and Temperature Dependent Inclusion Chromatography". Symmetry 12, № 12 (28 листопада 2020): 1967. http://dx.doi.org/10.3390/sym12121967.

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This research communication significantly extends our previous studies focusing on the temperature effects related to the unexpected chromatographic behavior of 1-acenaphthenol in the presence of native β-cyclodextrin (β-CD) additive, working under thin-layer chromatographic (TLC) conditions. We have applied complementary and orthogonal techniques including (i) temperature-controlled ultraviolet-visible (UV-VIS) spectroscopy, (ii) thermostated microplanar high-performance chromatography (micro-HPTLC) and (iii) temperature-dependent inclusion chromatography based on high-performance liquid chro

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35

Studzińska, Sylwia, Feiyang Li, Michał Szumski, Bogusław Buszewski, and Michael Lämmerhofer. "Cholesterol Stationary Phase in the Separation and Identification of siRNA Impurities by Two-Dimensional Liquid Chromatography-Mass Spectrometry." International Journal of Molecular Sciences 23, no. 23 (November 29, 2022): 14960. http://dx.doi.org/10.3390/ijms232314960.

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The aim of this research was to develop a simple and efficient ion-pair reagent-free chromatographic method for the separation and qualitative determination of oligonucleotide impurities, exemplified by synthesis of raw products of the two single strands of patisiran siRNA. The stationary phases with mixed hydrophobic/hydrophilic properties (cholesterol and alkylamide) were firstly used for this purpose with reversed-phased high-performance liquid chromatography. Several different chromatographic parameters were tested for their impact on impurities separation: type, concentration, pH of salt,

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36

Hua, LIU, ZHOU TingTing, and FAN GuoRong. "Application of liquid chromatography-mass spectrometry in research on iridoid glycosides." Pharmaceutical Care and Research 2011, no. 11 (February 27, 2011): 45–49. http://dx.doi.org/10.5428/pcar20110114.

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37

Krcmova, Lenka, Dagmar Solichova, and Petr Solich. "Microplates in liquid chromatography – New solution in clinical research? – A review." Talanta 115 (October 2013): 973–79. http://dx.doi.org/10.1016/j.talanta.2013.06.048.

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38

Brandão, Pedro F., Armando C. Duarte, and Regina M. B. O. Duarte. "Comprehensive multidimensional liquid chromatography for advancing environmental and natural products research." TrAC Trends in Analytical Chemistry 116 (July 2019): 186–97. http://dx.doi.org/10.1016/j.trac.2019.05.016.

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39

Vekey, K., D. Edwards, and L. F. Zerilli. "Liquid chromatography-mass spectrometry coupling and its application in pharmaceutical research." Journal of Chromatography B: Biomedical Sciences and Applications 488, no. 1 (March 1989): 73–85. http://dx.doi.org/10.1016/s0378-4347(00)82940-0.

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40

Goyal, Sham S. "Applications of column liquid chromatography to inorganic analysis in agricultural research." Journal of Chromatography A 789, no. 1-2 (November 1997): 519–27. http://dx.doi.org/10.1016/s0021-9673(97)00838-8.

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41

Hartvig, Per, and Bengt Långström. "Combination of positron emission tomography with liquid chromatography in neuropharmacologic research." Journal of Chromatography A 507 (May 1990): 303–10. http://dx.doi.org/10.1016/s0021-9673(01)84207-2.

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42

Gelpı́, Emilio. "Contributions of liquid chromatography–mass spectrometry to “highlights” of biomedical research." Journal of Chromatography A 1000, no. 1-2 (June 2003): 567–81. http://dx.doi.org/10.1016/s0021-9673(03)00601-0.

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Farzaliyev, V. M., and M. N. Aliyeva. "Feature analysis of vapor-phase chromatography of high boiler organic compounds." Azerbaijan Oil Industry, no. 4 (April 15, 2020): 40–47. http://dx.doi.org/10.37474/0365-8554/2020-4-40-47.

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The paper presents the physical-chemical features of the vapor-phase chromatography method for the analysis of polar high boiler organic compounds. The application conditions of vapor-phase chromatography for the research of petrochemical synthesis products are analyzed. The mechanism of chromatographic seperation of compounds in the vapor-liquid-solid phase system is reviewed. The physical-chemical parameters of application of vapor-phase chromatography are provided. It is shown that liquid crystals can be used for the efficiency increase of the analysis of high boiler organic compounds as ha

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Jin, Ri Jun, Chao Qun Chu, Xiao Ping Wang, Dong Hao Li, and Xiang Fan Piao. "Research on Multifunctional Gas Chromatography Sample Pretreatment Apparatus." Applied Mechanics and Materials 347-350 (August 2013): 3440–45. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.3440.

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Multifunctional gas chromatography sample pretreatment apparatus (hereinafter referred to as pretreatment apparatus), which is developed on the basis of gas purge micro-syringe extraction (GP-MSE) technique, is a gas chromatography (GC) sample pretreatment apparatus that integrates extraction, purification, concentration and predissociation. The quantitative and qualitative analysis results analyzed by GC-MS for volatile oil that extracted from the plant samples by steam distillation method and pretreatment apparatus, show that the volatile components extracted by the apparatus outnumber the o

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Abdu Hussen, Ali. "High-Performance Liquid Chromatography (HPLC): A review." Annals of Advances in Chemistry 6, no. 1 (June 20, 2022): 010–20. http://dx.doi.org/10.29328/journal.aac.1001026.

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Today HPLC is widely applied for separations and purifications in a variety of areas including pharmaceuticals, biotechnology, environmental, polymer and food industries. It is accomplished by injection of a small amount of liquid sample into a moving stream of liquid (called the mobile phase) that passes through a column packed with particles of the stationary phase. The separation of a mixture into its components depends on different degrees of retention of each component in the column. HPLC is just one type of liquid chromatography, meaning the mobile phase is a liquid. Reversed-phase HPLC

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Petrova, Svetlana, and Irina Maksimova. "Tokopherols in Okara (Soy Pulp): Highly Efficient Liquid Chromatography." Food Processing: Techniques and Technology 50, no. 2 (June 27, 2020): 194–203. http://dx.doi.org/10.21603/2074-9414-2020-2-194-203.

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Introduction. Soy pulp, or okara, is a soy milk by-product. It contains a complex of valuable macro- and micronutrients, including fat-soluble vitamins. Recently, there has been a growing interest in replacing synthetic antioxidants with a mix of natural tocopherols. Soy beans and their by-products contain vitamin E and therefore can be used in food production, cosmetic, etc.  Study objects and methods. The present research featured soy pulp. The content of tocopherols in the soy product was determined by high performance liquid chromatography using Sigma Aldrich standards and correspond

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Bao, Bo, Zhichao Wang, Dilantha Thushara, Achini Liyanage, Sanja Gunawardena, Zaiyong Yang, and Shuangliang Zhao. "Recent Advances in Microfluidics-Based Chromatography—A Mini Review." Separations 8, no. 1 (December 31, 2020): 3. http://dx.doi.org/10.3390/separations8010003.

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Microfluidics-based liquid chromatography is based on the miniaturization of the different types of liquid chromatography (LC) systems (e.g., affinity, adsorption, size exclusion, ion exchange) on a microchip to perform on-chip separation of different types of analytes. On-chip chromatography finds applications in genomics, proteomics, biomarker discovery, and environmental analysis. Microfluidics-based chromatography has good reproducibility and small sample consumption. However, the on-chip chromatography fabrication techniques are often more challenging to perform than conventional LC colum

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Aliaño-González, María, Marta Ferreiro-González, Gerardo Barbero, Miguel Palma, and Carmelo Barroso. "Application of Headspace Gas Chromatography-Ion Mobility Spectrometry for the Determination of Ignitable Liquids from Fire Debris." Separations 5, no. 3 (August 13, 2018): 41. http://dx.doi.org/10.3390/separations5030041.

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A fast and correct identification of ignitable liquid residues in fire debris investigation is of high importance in forensic research. Advanced fast analytical methods combined with chemometric tools are usually applied for these purposes. In the present study, the Headspace Gas Chromatography-Ion Mobility Spectrometry (HS-GC-IMS) combined with chemometrics is proposed as a promising technique for the identification of ignitable liquid residues in fire debris samples. Fire debris samples were created in the laboratory, according to the Destructive Distillation Method for Burning that is provi

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Kulikov, Artem. "Development of micellar liquid and thin-layer chromatography." Zurnal Hromatograficnogo tovaristva 21, no. 67 (November 11, 2021): 4–38. http://dx.doi.org/10.15407/zht2021.67.004.

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The review of the development of micellar high-performance liquid chromatography and micellar thin-layer chromatography is presented. The results of the research of the theoretical foundation and the organized solution usage as mobile phases for the analysis of plant and animal biological active substances, medicinal substances and drugs are demonstrated. The investigations had been carried out on the Chemical Metrology Department V.N. Karazin Kharkiv National University and in the State Enterprise “Ukrainian Scientific Pharmacopoeial Center for Quality of Medicines”.

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Galvez, Luis, Mate Rusz, Michael A. Jakupec, and Gunda Koellensperger. "Heart-cut 2DSEC-RP-LC-ICP-MS as a screening tool in metal-based anticancer research." Journal of Analytical Atomic Spectrometry 34, no. 6 (2019): 1279–86. http://dx.doi.org/10.1039/c9ja00045c.

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