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Journal articles on the topic 'Compounds identification'

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1

Milman, Boris L. "Identification of chemical compounds." TrAC Trends in Analytical Chemistry 24, no. 6 (2005): 493–508. http://dx.doi.org/10.1016/j.trac.2005.03.013.

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2

Jok, Veronica Alexander, Mohamad Arif Fadhli Zainudin, Nurhaslina Che Radzi, and Ku Halim Ku Hamid. "Compounds Identification in Agar Wood Soaking Water by Using GC-MS." International Journal of Chemical Engineering and Applications 7, no. 5 (2016): 340–43. http://dx.doi.org/10.18178/ijcea.2016.7.5.602.

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3

Ting, Patrick L., Lance Lusk, Jay Refling, Susan Kay, and David Ryder. "Identification of Antiradical Hop Compounds." Journal of the American Society of Brewing Chemists 66, no. 2 (2008): 116–26. http://dx.doi.org/10.1094/asbcj-2008-0310-01.

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4

Min, Cheol-Ki, Jin-Won Lee, Chang-Kyu Kim, et al. "Insulin related compounds and identification." Journal of Chromatography B 908 (November 2012): 105–12. http://dx.doi.org/10.1016/j.jchromb.2012.08.028.

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5

Small, Gary W. "Spectrometric Identification of Organic Compounds." Vibrational Spectroscopy 4, no. 1 (1992): 123–24. http://dx.doi.org/10.1016/0924-2031(92)87024-a.

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6

Tashiro, Etsu, and Masaya Imoto. "Target identification of bioactive compounds." Bioorganic & Medicinal Chemistry 20, no. 6 (2012): 1910–21. http://dx.doi.org/10.1016/j.bmc.2011.10.081.

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7

Ibtehal K. Abdullah and Meaad K. Buniya. "Preparation and Identification of some heterocyclic compounds from cyano compounds." Tikrit Journal of Pure Science 20, no. 5 (2023): 96–105. http://dx.doi.org/10.25130/tjps.v20i5.1245.

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This article included prepared cyano acetic acid hydrazid from interaction cyano ethylacetate with hydrate hydrazen, and interaction with 2- acytel thiophene and 2- acytelpyridine it will formation of hydrazide- hydrazone derivative (I, II), and through the undergo the compounds (I,II) for chain of interactions with different chemical materials then enclosed cyclo formed derivative of (arylidene ,coumarin , aryl hydrazon , thiophene ) .
 Prepared compounds have been studied and Identification by physical and spectral means.
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8

Tang, Yun-Chi, Bret R. Williams, Jake J. Siegel, and Angelika Amon. "Identification of Aneuploidy-Selective Antiproliferation Compounds." Cell 144, no. 4 (2011): 499–512. http://dx.doi.org/10.1016/j.cell.2011.01.017.

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9

Rai, S., A. K. Rai, and S. N. Thakur. "Identification of nitro-compounds with LIBS." Applied Physics B 91, no. 3-4 (2008): 645–50. http://dx.doi.org/10.1007/s00340-008-3040-4.

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10

Dalle Vedove, A., G. Cazzanelli, J. Corsi, et al. "Identification of BAZ2A bromodomain hit compounds." Acta Crystallographica Section A Foundations and Advances 78, a2 (2022): a418. http://dx.doi.org/10.1107/s2053273322093214.

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11

Mbue, Sona Peter, and Kwang-Hwi Cho. "Identification of Isomers of Organometallic Compounds." Bulletin of the Korean Chemical Society 36, no. 6 (2015): 1569–74. http://dx.doi.org/10.1002/bkcs.10298.

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12

Mauf, Ruwa M., and Neam H. Saleem. "PREPARATION, IDENTIFICATION AND STUDY THE BIOLOGICAL ACTIVITY OF NOVEL HETEROCYCLIC COMPOUNDS DERIVED FROM AZO–CHALCONE." Chemical Problems 23, no. 2 (2025): 272–85. https://doi.org/10.32737/2221-8688-2025-2-272-285.

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This work describes the preparation and spectroscopic investigation of new heterocyclic compounds derived from the 4-aminoantipyrene moiety. The compound (R1)3-((1,5-dimethyl-3-oxo-2phenyl-2,3-dihydro-1H-pyrazol-4-yl)diaz-enyl)-4-hydroxybenzaldehyde was prepared by reacting 4aminoantipyrene with 4-Hydroxybenzaldehyde according to the cold condition at (0-5) Celsius. This represents the starting point to create novel azo-chalcone compounds with a new nucleus as the alpha-beta unsaturated group, and the formation of compound (R2-6) via acetophenone derivatives using ethanol as a solvent under a
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13

Ayrapetyan, E. E., M. V. Larsky, and D. A. Konovalov. "Identification of phenolic compounds in Artemisia scoparia." Farmaciya (Pharmacy) 73, no. 3 (2024): 14–17. http://dx.doi.org/10.29296/25419218-2024-04-02.

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Introduction. Artemisia scoparia herba is a valuable source of biologically active compounds. Due to its rich chemical composition, the raw material has wide pharmacological effects. Purpose of the study. Identification of some phenolic compounds and the quantitative determination of scoparone, scopoletin, umbelliferonein Artemisia scoparia herba by high performance liquid chromatography (HPLC). Material and methods. The investigated object is Artemisia scoparia herba, collected during the flowering phase in the Nikitsky Botanical Garden in 2018–2019. Qualitative determination of phenolic comp
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14

Indhumathi.T, Indhumathi T., and Dr S. Mohandass Dr. S. Mohandass. "Identification of bioactive compounds in Solanum incanum fruit by Thin layer Chromatography and HPTLC." International Journal of Scientific Research 2, no. 6 (2012): 22–25. http://dx.doi.org/10.15373/22778179/june2013/8.

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15

Riyad, Putut Har, Tri Winarni Agustini, Eko Susanto, Sumardianto Sumardianto, and Geehan V. Chordcynella. "Identification of Compounds in the Spirulina platensis Microalgae as Antieczematic Using Molecular Docking Method." International Journal of Research Publication and Reviews 5, no. 11 (2024): 7647–51. https://doi.org/10.55248/gengpi.5.1124.3429.

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16

Nakada, Norihide, Hiroshi Nyunoya, Masaru Nakamura, Akihiko Hara, Taisen Iguchi, and Hideshige Takada. "IDENTIFICATION OF ESTROGENIC COMPOUNDS IN WASTEWATER EFFLUENT." Environmental Toxicology and Chemistry 23, no. 12 (2004): 2807. http://dx.doi.org/10.1897/03-699.1.

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17

HOW/AT, R. J., and S. D. SENTER. "Identification of Additional Volatile Compounds from Cbntaloupe." Journal of Food Science 52, no. 4 (1987): 1097–98. http://dx.doi.org/10.1111/j.1365-2621.1987.tb14284.x.

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18

Sakuma, Shuso, Hiromi Amano, and Motoo Ohkochi. "Identification of Off-Flavor Compounds in Beer." Journal of the American Society of Brewing Chemists 58, no. 1 (2000): 26–29. http://dx.doi.org/10.1094/asbcj-58-0026.

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19

Karami, N., A. Karimi, A. Aliahmadi, et al. "Identification of bacteria using volatile organic compounds." Cellular and Molecular Biology 63, no. 2 (2017): 112. http://dx.doi.org/10.14715/cmb/2017.63.2.18.

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20

Oleszek, Wieslaw, Chang Y. Lee, Antoni W. Jaworski, and Keith R. Price. "Identification of some phenolic compounds in apples." Journal of Agricultural and Food Chemistry 36, no. 3 (1988): 430–32. http://dx.doi.org/10.1021/jf00081a007.

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21

Takahashi, M., M. Hasegawa, O. Kodama, and K. Kobayashi. "Identification of phytotoxic compounds in Tithonia diversifolia." Journal of Weed Science and Technology 46, Supplement (2001): 232–33. http://dx.doi.org/10.3719/weed.46.supplement_232.

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22

Russell, C. T., and M. G. Kivelson. "Identification of sulfur compounds in IO's exosphere." Advances in Space Research 28, no. 10 (2001): 1463–67. http://dx.doi.org/10.1016/s0273-1177(01)00547-6.

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23

Le Lacheur, Richard M., Lucinda B. Sonnenberg, Philip C. Singer, Russell F. Christman, and M. Judith Charles. "Identification of carbonyl compounds in environmental samples." Environmental Science & Technology 27, no. 13 (1993): 2745–53. http://dx.doi.org/10.1021/es00049a013.

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24

de Joannon, M., R. Ragucci, A. Cavaliere, and A. Ciajolo. "Identification of oxygenated compounds in combustion systems." Chemosphere 42, no. 5-7 (2001): 843–51. http://dx.doi.org/10.1016/s0045-6535(00)00259-9.

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25

Fithriani, D., D. Ambarwaty, and Nurhayati. "Identification of bioactive compounds from Nannochloropsis sp." IOP Conference Series: Earth and Environmental Science 404 (December 19, 2019): 012064. http://dx.doi.org/10.1088/1755-1315/404/1/012064.

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26

Singh, Megh, Rama V. Tamma, and Herbert N. Nigg. "HPLC identification of allelopathic compounds fromLantana camara." Journal of Chemical Ecology 15, no. 1 (1989): 81–89. http://dx.doi.org/10.1007/bf02027775.

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27

Homma, Ryousuke, Haruyuki Yamashita, Junko Funaki, et al. "Identification of Bitterness-Masking Compounds from Cheese." Journal of Agricultural and Food Chemistry 60, no. 18 (2012): 4492–99. http://dx.doi.org/10.1021/jf300563n.

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28

Gribov, L. A., A. I. Pavlyuchko, I. V. Rybal’chenko, G. I. Sigeikin, V. N. Suvorkin, and B. F. Myasoedov. "Spectral identification of highly toxic organophosphorus compounds." Doklady Physical Chemistry 410, no. 1 (2006): 260–62. http://dx.doi.org/10.1134/s001250160609003x.

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29

Řezanka, T., D. Líbalová, J. Votruba, and I. Víden. "Identification of odorous compounds from Streptomyces avermitilis." Biotechnology Letters 16, no. 1 (1994): 75–78. http://dx.doi.org/10.1007/bf01022627.

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30

Takeuchi, Kohei, Yoshihiro Hasegawa, Hirohiko Ishida, and Mitsuyoshi Kashiwagi. "Identification of novel malodour compounds in laundry." Flavour and Fragrance Journal 27, no. 1 (2011): 89–94. http://dx.doi.org/10.1002/ffj.2088.

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31

Agbor-Egbe, Tom, and June E. Rickard. "Identification of phenolic compounds in edible aroids." Journal of the Science of Food and Agriculture 51, no. 2 (1990): 215–21. http://dx.doi.org/10.1002/jsfa.2740510209.

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32

Koteska, Diana, Selene Sanchez Garcia, Irene Wagner-Döbler, and Stefan Schulz. "Identification of Volatiles of the Dinoflagellate Prorocentrum cordatum." Marine Drugs 20, no. 6 (2022): 371. http://dx.doi.org/10.3390/md20060371.

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The dinoflagellate Prorocentrum cordatum, often called P. minimum, is a potentially toxic alga found in algal blooms. Volatile compounds released by the alga might carry important information, e.g., on its physiological state, and may act as chemical messengers. We report here the identification of volatile organic compounds emitted by two strains, xenic P. cordatum CCMP 1529 and axenic P. cordatum CCMP 1329. The volatiles released during culture were identified despite their low production rates, using sensitive methods such as open-system-stripping analysis (OSSA) on Tenax TA desorption tube
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33

Rahmawati, Fri, Linggom Kurniaty, and Maria Bintang. "Antioxidant potential and identification of active compounds on Kabau seed (Archidendron bubalinum) flesh and husk extract." Jurnal Kimia Sains dan Aplikasi 23, no. 3 (2020): 83–88. http://dx.doi.org/10.14710/jksa.23.3.83-88.

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Kabau (Archidendron bubalinum) is one of the plants that is often used as food ingredients and has the potential to be developed in the health sector. This study aims to determine the antioxidant potential of kabau seeds using 2,2-diphenyl-1-picril hidrazil (DPPH) and ferric reducing ability power (FRAP) methods and to identify active compounds of kabau seeds using GC-MS. Kabau seeds were macerated using 70% ethanol and 99.9% ethanol. The results showed that 99.9% ethanol extract of kabau seed coat had the highest antioxidant activity with IC50 values of 26.75 ppm for the DPPH method and 121.5
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34

Morales Vasquez, Desarey, Jun-Gyu Park, Ginés Ávila-Pérez, et al. "Identification of Inhibitors of ZIKV Replication." Viruses 12, no. 9 (2020): 1041. http://dx.doi.org/10.3390/v12091041.

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Zika virus (ZIKV) was identified in 1947 in the Zika forest of Uganda and it has emerged recently as a global health threat, with recurring outbreaks and its associations with congenital microcephaly through maternal fetal transmission and Guillain-Barré syndrome. Currently, there are no United States (US) Food and Drug Administration (FDA)-approved vaccines or antivirals to treat ZIKV infections, which underscores an urgent medical need for the development of disease intervention strategies to treat ZIKV infection and associated disease. Drug repurposing offers various advantages over develop
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35

Mallinder, Philip R., Alan V. Wallace, and Gary Allenby. "Identification of iNOS Inhibitors Using InteraX™." Journal of Biomolecular Screening 14, no. 3 (2009): 263–72. http://dx.doi.org/10.1177/1087057109331476.

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Inducible nitric oxide synthase (iNOS) is active as a homodimer. A cell-based assay suitable for high-throughput screening (HTS) was generated to identify inhibitors of iNOS dimerization using the InteraX™ enzyme complementation technology of Applied Biosystems. The cells contain 2 chimeric proteins of complementing deletion mutants of β-galactosidase, each fused to the oxygenase domain of human iNOS. The assay was characterized using known iNOS dimerization inhibitors, which gave a decrease in β-galactosidase activity. Surprisingly, the assay was also able to identify compounds that have the
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36

Vasil, Michael L., Andrew P. Tomaras, and Arthur E. Pritchard. "Identification and Evaluation of Twin-Arginine Translocase Inhibitors." Antimicrobial Agents and Chemotherapy 56, no. 12 (2012): 6223–34. http://dx.doi.org/10.1128/aac.01575-12.

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ABSTRACTThe twin-arginine translocase (TAT) in some bacterial pathogens, includingPseudomonas aeruginosa,Burkholderia pseudomallei, andMycobacterium tuberculosis, contributes to pathogenesis by translocating extracellular virulence determinants across the inner membrane into the periplasm, thereby allowing access to the Xcp (type II) secretory system for further export in Gram-negative organisms, or directly to the outside surface of the cell, as inM. tuberculosis. TAT-mediated secretion appreciably contributes to virulence in both animal and plant models of bacterial infection. Consequently,
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37

Alfatlawi, Intisar Obaid, Faez A. Alrammahi, and Khalida K. Abbas Al-Kelaby. "Synthesis and Identification of New Heterocyclic Compounds from Isatin and Study their Inhibition Ability of Colorectal Adenocarcinoma." NeuroQuantology 20, no. 3 (2022): 14–23. http://dx.doi.org/10.14704/nq.2022.20.3.nq22034.

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Heterocyclic compounds showed a wide range of applications but in medicinal chemistry are of particular interest. Heterocyclic were the active compounds in many natural drugs also some are still used today, for instance, quinine derivatives and morphine. Colorectal carcinoma is the world's third most common neoplasm and the second leading cause of cancer-related death. This research aims to identify a prospective medication with a high affinity for treating colorectal cancer. A Series of heterocyclic compounds 1, 2, 3, and 4 were synthesized and confirmed through the use of different spectrosc
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38

Tao, Liu, Feng Tao, and Chen Wanchao. "Identification of volatile flavour components of Tuber melanosporum using simultaneous distillation-extraction." Czech Journal of Food Sciences 35, No. 6 (2017): 483–87. http://dx.doi.org/10.17221/31/2017-cjfs.

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Black truffles are famous for their unique flavours. Headspace solid-phase microextraction and the electronic nose have been used to analyse their flavours in some investigations. In a previous work, the volatile flavour compounds in black truffles harvested in China were extracted using simultaneous distillation-extraction (SDE) and analysed using gas chromatography-mass spectrometry (GC-MS). Extraction conditions were optimised in that previous study and are now applied in the present work. The temperature of the solvent flask was maintained at 70°C using a water bath and the samples were pl
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39

Jamal, Azfar. "In-silico Identification of the Novel Anti EGFR Compounds from Ginger Through Virtual Screening and Molecular Docking Analysis." Journal of Pioneering Medical Sciences 14, Special Issue 1 (2025): 232–39. https://doi.org/10.47310/jpms202514s0130.

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Introduction: The EGFR receptor tyrosine kinase is revealed to be the critical biomarker involved in cancer metastasis and proliferation. The FDA approved drugs have shown an outstanding result in cancer treatment but these drugs suffer a lot of side effects, so there is a need to identify the novel phytochemicals that may have anti-EGFR activity. Methodology: The protein EGFR was retrieved from the PDB along with the hetero atoms attached with the crystal structure. The chosen 86 ginger compounds were downloaded from TIP database in 3D sdf format. Using the PyRx virtual screeing tool the targ
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40

D’Urso, Gilda, Jurriaan J. Mes, Paola Montoro, Robert D. Hall, and Ric C. H. de Vos. "Identification of Bioactive Phytochemicals in Mulberries." Metabolites 10, no. 1 (2019): 7. http://dx.doi.org/10.3390/metabo10010007.

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Mulberries are consumed either freshly or as processed fruits and are traditionally used to tackle several diseases, especially type II diabetes. Here, we investigated the metabolite compositions of ripe fruits of both white (Morus alba) and black (Morus nigra) mulberries, using reversed-phase HPLC coupled to high resolution mass spectrometry (LC-MS), and related these to their in vitro antioxidant and α-glucosidase inhibitory activities. Based on accurate masses, fragmentation data, UV/Vis light absorbance spectra and retention times, 35 metabolites, mainly comprising phenolic compounds and a
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41

Fathoni, Ahmad, Alhady Nareswara Candraditya, and Tarso Rudiana. "Antioxidant activity and identification of flavonoid compounds in Patat leaves (Phrynium capitatum) ethyl acetate extract." Jurnal Pendidikan Kimia 14, no. 3 (2022): 149–56. http://dx.doi.org/10.24114/jpkim.v14i3.40595.

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Flavonoids are the biggest compound from the phenolic group that has the function of antioxidants. One of the plants with flavonoids is patat (Phrynium capitatum), which is usually used as food wrapping material. This study aims to quantify total flavonoid content, antioxidant activity and identify flavonoids from patat leaves ethyl acetate extract. Patat leaves sample cleaned, dried, and grinded. Grinded patat leaves were macerated gradually for 2 × 24 hours with n-hexane, ethyl acetate, and methanol solvent. The extract undergoing total flavonoids test guided with AlCl3 and CH3COONa. Extract
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42

Vande Voorde, Rebecca, Elizaveta Dzalamidze, Dylan Nelson, and Lia Danelishvili. "Identification of Small Molecule Inhibitors against Mycobacteria in Activated Macrophages." Molecules 27, no. 18 (2022): 5824. http://dx.doi.org/10.3390/molecules27185824.

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Mycobacterial pathogens are intrinsically resistant to many available antibiotics, making treatment extremely challenging, especially in immunocompromised individuals and patients with underlying and chronic lung conditions. Even with lengthy therapy and the use of a combination of antibiotics, clinical success for non-tuberculous mycobacteria (NTM) is achieved in fewer than half of the cases. The need for novel antibiotics that are effective against NTM is urgent. To identify such new compounds, a whole cell high-throughput screen (HTS) was performed in this study. Compounds from the Chembrid
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43

Wali, Sneha, Shankar Gharge, Anwesh Naik, Mohit Kadgaonkar, Parixit Bhandurge, and Shailendra Sanjay Suryawanshi. "Isolation, characterization and identification of bioactive compounds from Herbal Medicines and Medicinal Plant Extracts by Fourier Transform Infrared Spectroscopy: A brief review." International Journal of Ayurvedic Medicine 13, no. 3 (2022): 570–78. http://dx.doi.org/10.47552/ijam.v13i3.2753.

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Herbal medicines are mostly used from thousands of years in primary health care of society and community of both developed and developing countries. It mainly includes whole plant, herbs, extracts, isolated compounds, polyherbal preparations, phytoformulations etc. Identification of bioactive compounds from phytomedicines plays a very important role in drug development and drug design process. The characterization of phytomedicines is very much essential in the identification of compounds. For the purpose of identification two methods, Spectroscopy and Chromatography play important role. Fouri
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44

Mulyono, Noryawati, Christofora Hanny Wijaya, Dedi Fardiaz, and Wuryaningsih Sri Rahayu. "Identifikasi Komponen Kimia Damar Mata Kucing (Shorea Javanica) dengan Metode Pirolisis-GC/MS." Jurnal Natur Indonesia 14, no. 1 (2012): 155. http://dx.doi.org/10.31258/jnat.14.1.155-159.

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The aim of this research was to identify chemical compounds in cat eye dammar. The method included functional groups characterizationby infrared spectrophotometer and identification using Pyrolisis-GC/MS. Infrared spectra of crude sample showed that there were somefunctional groups such as alkyl, carbonyl, vinyl, and hydroxyl. Identification by Pyrolisis-GC/MS showed that dammar consisted of at least67 compounds. This natural gum components could be categorized into 4 groups, i.e. tetra cyclic hydrocarbon (30 compounds, 49.57%),penta cyclic (3 compounds, 2.56%), C 15 compounds (11 compounds, 1
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45

Geraldes, Vanessa, and Ernani Pinto. "Mycosporine-Like Amino Acids (MAAs): Biology, Chemistry and Identification Features." Pharmaceuticals 14, no. 1 (2021): 63. http://dx.doi.org/10.3390/ph14010063.

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Mycosporines and mycosporine-like amino acids are ultra-violet-absorbing compounds produced by several organisms such as lichens, fungi, algae and cyanobacteria, especially upon exposure to solar ultraviolet radiation. These compounds have photoprotective and antioxidant functions. Mycosporine-like amino acids have been used as a natural bioactive ingredient in cosmetic products. Several reviews have already been developed on these photoprotective compounds, but they focus on specific features. Herein, an extremely complete database on mycosporines and mycosporine-like amino acids, covering th
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46

Dewi Astuti, Maria, Khairatun Nisa, and Kamilia Mustikasari. "Identification of Chemical Compounds from Nipah (Nypa fruticans Wurmb.) Endosperm." BIO Web of Conferences 20 (2020): 03002. http://dx.doi.org/10.1051/bioconf/20202003002.

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The identification of chemical compounds in Nipah (Nypa fruticans Wurmb) endosperm has been done. The extraction of chemical compounds in Nipah endosperm has been done using the maceration method with heating and followed with absorbs-desorbs on active carbon given ethanol fraction. The result obtained was a brownish-yellow fraction. The phytochemical screening test did on endosperm and ethanol fraction. Phytochemical screening results showed that the Nipah endosperm contains phenolic, tannin, flavonoid, and saponin compounds, while the ethanol fraction of Nipah endosperm did not contain alkal
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47

King, Gwendalyn D., CiDi Chen, Mickey M. Huang, et al. "Identification of novel small molecules that elevate Klotho expression." Biochemical Journal 441, no. 1 (2011): 453–61. http://dx.doi.org/10.1042/bj20101909.

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The absence of Klotho (KL) from mice causes the development of disorders associated with human aging and decreased longevity, whereas increased expression prolongs lifespan. With age, KL protein levels decrease, and keeping levels consistent may promote healthier aging and be disease-modifying. Using the KL promoter to drive expression of luciferase, we conducted a high-throughput screen to identify compounds that activate KL transcription. Hits were identified as compounds that elevated luciferase expression at least 30%. Following validation for dose-dependent activation and lack of cytotoxi
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48

Paek, Ji Hun, Kuk Hyun Shin, Young-Hee Kang, Jae-Yong Lee, and Soon Sung Lim. "Rapid Identification of Aldose Reductase Inhibitory Compounds fromPerilla frutescens." BioMed Research International 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/679463.

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The ethyl acetate (EtOAc) soluble fraction of methanol extracts ofPerilla frutescens(P. frutescens) inhibits aldose reductase (AR), the key enzyme in the polyol pathway. Our investigation of inhibitory compounds from the EtOAc soluble fraction ofP. frutescenswas followed by identification of the inhibitory compounds by a combination of HPLC microfractionation and a 96-well enzyme assay. This allowed the biological activities to be efficiently matched with selected HPLC peaks. Structural analyses of the active compounds were performed by LC-MSn. The main AR inhibiting compounds were tentatively
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49

Qin Weihan and Yang Yong, Qin Weihan and Yang Yong. "Identification of New Compounds in Epimedium L. based on Flavonol Secondary Metabolism and High-Resolution Mass Spectrometry." Journal of the chemical society of pakistan 44, no. 1 (2022): 40. http://dx.doi.org/10.52568/000982/jcsp/44.01.2022.

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To derive and verify the chemical structure of the new components in Epimedium, the laws of secondary metabolism and high-resolution mass spectrometry (HRMS) were combined. Based on the chemical literature of Epimedium, the secondary metabolism network of flavonols was constructed, and the possible metabolites were deduced. After the metabolites, information was imported into PeakView software, and the ions with a mass error andlt; 5 ppm, correct isotope distribution, and containing secondary fragments were taken as the target compounds. The chemical structures of new compounds were identified
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Syamsudin, Dimas, Ismiyarto Ismiyarto, and Ngadiwiyana Ngadiwiyana. "Synthesis and Antibacterial Testing of Imina Derivative Compounds from Piperonal and Anilin." Jurnal Kimia Sains dan Aplikasi 21, no. 1 (2018): 44–48. http://dx.doi.org/10.14710/jksa.21.1.44-48.

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Abstract:
Synthesis of Imine derivates used as antibacterial activity has been done. Synthesis was conducted by condensation reaction between piperonal and aniline. The product synthesis was characterized by melting point, LC-MS, FTIR and 1H-NMR, then application of the product as antibacterial towards bacteria Staphylococcus aureus and Escherichia coli. The product of synthesis was pale-brown solid, and had melting point at 56-61 0C. Identification by LC-MS showed the compound molecular weight was 225.30 gram/mol, identification by FTIR showed a compound contained imine C=N at 1620.21 cm-1, C-H aromati
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