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1

Carr, Robert K., and William J. Hlavin. "Two new species of Dunkleosteus Lehman, 1956, from the Ohio Shale Formation (USA, Famennian) and the Kettle Point Formation (Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira)." Zoological Journal of the Linnean Society 159, no. 1 (2010): 195–222. https://doi.org/10.1111/j.1096-3642.2009.00578.x.

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Carr, Robert K., Hlavin, William J. (2010): Two new species of Dunkleosteus Lehman, 1956, from the Ohio Shale Formation (USA, Famennian) and the Kettle Point Formation (Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira). Zoological Journal of the Linnean Society 159 (1): 195-222, DOI: 10.1111/j.1096-3642.2009.00578.x, URL: http://dx.doi.org/10.1111/j.1096-3642.2009.00578.x
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2

Bingham-Koslowski, Nikole, Cameron Tsujita, Jisuo Jin, and Karem Azmy. "Widespread Late Devonian marine anoxia in eastern North America: a case study of the Kettle Point Formation black shale, southwestern Ontario." Canadian Journal of Earth Sciences 53, no. 8 (2016): 837–55. http://dx.doi.org/10.1139/cjes-2015-0227.

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The Kettle Point Formation of southwestern Ontario consists of intervals of organic-rich interlaminated black shale interbedded with organic-poor greyish green mudstones and rare red beds, separated by metre-scale sequences of non-interlaminated black shale. The formation shows a largely consistent background value for the black shales around −20‰ δ34S, punctuated by a substantial positive excursion of ∼32‰ (up to +12.87‰) that coincides with a significant interval of greyish green mudstone and red beds. Lithological and geochemical data indicate that the black shales were deposited during per
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3

CARR, ROBERT K., and WILLIAM J. HLAVIN. "Two new species of Dunkleosteus Lehman, 1956, from the Ohio Shale Formation (USA, Famennian) and the Kettle Point Formation (Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira)." Zoological Journal of the Linnean Society 159, no. 1 (2010): 195–222. http://dx.doi.org/10.1111/j.1096-3642.2009.00578.x.

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4

Litvynova, Anastasiia. "Structural and functional state of bone tissue in young people with a combined course of osteoarthritis and obesity." Ukrainian Scientific Medical Youth Journal 131, no. 2 (2022): 50–55. http://dx.doi.org/10.32345/usmyj.2(131).2022.50-55.

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In recent years, an increase in the number of patients with osteoarthritis (ОА) against the background of obesity is considered not from the point of view of mechanical stress on the joints by an overweight patient but by the active synthesis of hormone-like substances by adipose tissue, which have a metabolic effect on all processes in the body. A large number of different chemical compounds (calcium, phosphorus, magnesium, uronic acids, tartrate-resistant bone phosphatase, and a number of others) are involved in the remodeling of bone tissue, the balance between which determines the strength
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5

Abu Bakar, Ahmad Fauzi, Hadariah Bahron, and Karimah Kassim. "Synthesis, Characterization and Neurotoxicity Screening of Schiff Base Ligands and their Complexes." Advanced Materials Research 554-556 (July 2012): 938–43. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.938.

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Two ligands and four complexes are successfully synthesized by reacting 1,8-diaminonapthelene with aldehyde/ketone derivatives in ratio amine:aldehyde/ketone (1:2) for ligands formation and 1:1 ratio (ligand:metals) for complexes formation. The compounds were characterized through CHNS elemental analysis, IR spectroscopy, 1H NMR spectroscopy, melting point determination, and magnetic susceptibility determination. The neurotoxicity screening of compounds was screened using neuroblastoma SH-SY5Y cell lines and it was indicate the cells were non-toxic either for ligands and complexes after 24 hou
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6

Boussada, Hallouma, and Jean-Marie De Ketele. "L'évaluation de la qualité de la formation et du système d'évaluation universitaire: le point de vue des diplômés." Avaliação: Revista da Avaliação da Educação Superior (Campinas) 13, no. 1 (2008): 39–61. http://dx.doi.org/10.1590/s1414-40772008000100003.

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Les recherches sur l'évaluation des acquis professionnels des jeunes diplômés (ROMAINVILLE, 2002 ; DE KETELE, 1997, 1999, 2000; FRANCE, 2003) ; Avis du Haut Conseil de l'Evaluation de l'Ecole, 2003) gravitent autour de quatre thèmes : les compétences des étudiants à l'entrée des études, leur perception des compétences acquises à la sortie, leurs compétences méthodologiques et les effets généraux de l'enseignement supérieur. Cependant, peu d'études fournissent des indicateurs précis sur les compétences professionnelles mesurées et sur les critères exigés par le marché de l'emplois. Cette étude
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7

Couture, Philippe, Manal El-Saidi, and John Warkentin. "Ketene acetals from thermolysis of aryloxy methoxy oxadiazolines. Evidence for carbonyl ylide intermediates." Canadian Journal of Chemistry 75, no. 3 (1997): 326–32. http://dx.doi.org/10.1139/v97-037.

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Thermolysis of oxadiazolines (5) in benzene at 110 °C leads to ketene acetals (11) as minor products. Carbonyl ylide intermediates (6), and oxiranes (7), presumably in equilibrium with those ylides, are implicated as unstable precursors of the ketene acetals although none of the oxiranes (carbonyl protected α-lactones) were isolable and only one of the ketene acetals was isolable in pure form. The evidence points to the two-step sequence of thermolysis of oxadiazolines, namely, initial cycloreversion to N2 and carbonyl ylide (6), rather than concerted fragmentation to N2, acetone, and carbene
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8

Dan, Vu Ngoc, and V. F. Novikov. "Study of the sorption properties of solvents in thinlayer and column chromatography." Power engineering: research, equipment, technology 22, no. 2 (2020): 19–26. http://dx.doi.org/10.30724/1998-9903-2020-22-2-19-26.

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Much attention is paid to the consideration of the causes of transformer oil aging under the influence of technogenic and natural factors. The paper insulation destruction mechanism is considered, as a result of which furan compounds are formed that enter the transformer oil and worsen its dielectric characteristics. The characteristics of the domestic transformer oil grade GK-1 obtained using the technology of hydrocracking in a hydrogen medium are given. Furan compounds are formed in used transformer oil, which are monitored using chromatographic analysis methods according to standard proced
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9

Mohammed, Abdul-Halim A. K. Mohammed, and Safaa R. Yasin Yasin. "DEWAXING OF DISTILLATE OIL FRACTION (400- 500 ºC) USING UREA." Journal of Engineering 13, no. 01 (2024): 1268–81. http://dx.doi.org/10.31026/j.eng.2007.01.09.

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De-waxing of lubricating oil distillate (400-500 ºC) by using urea was investigated in the present study. Lubricating oil distillate produced by vacuum distillation and refined by furfural extraction was taken from Al-Daura refinery. This oil distillate has a pour point of 34 ºC. Two solvents were used to dilute the oil distillate, these are methyl isobutyl ketone and methylene chloride. The operating conditions of the urea adduct formation with n-paraffins in the presence of methyl isobutyl ketone were studied in details, these are solvent to oil volume ratio within the range of 0 to 2, mixer
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10

Wicaksono, Yudi, Dwi Setyawan, and Siswandono Siswandono. "Formation of Ketoprofen-Malonic Acid Cocrystal by Solvent Evaporation Method." Indonesian Journal of Chemistry 17, no. 2 (2017): 161. http://dx.doi.org/10.22146/ijc.24884.

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The purpose of this work was to explore the formation of ketoprofen-malonic acid cocrystal by solvent evaporation method. Early detection of cocrystal formation was conducted by hot stage microscopy and solid-liquid phase diagram. Cocrystal were prepared by solvent evaporation method by using isopropyl alcohol as solvent. Characterization of cocrystal was done by Powder X-Ray Diffractometry (PXRD), Differential Scanning Calorimetry (DSC), Fourier Transform Infrared (FTIR) Spectroscopy and Scanning Electron Microscopy (SEM). The results of hot stage microscopic and solid-liquid phase diagram in
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11

Cerghedi, Alessandra-Aniela, Zita Fazakas, Melinda Székely, Carmen Biriș, and Cristina Molnar-Varlam. "Denture Base Polymer Biodegradation: In Vitro Study." Journal of Interdisciplinary Medicine 8, no. 2 (2023): 28–33. http://dx.doi.org/10.2478/jim-2023-0005.

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Abstract Introduction Acrylic resins are the most frequently used materials for the bases of prostheses, and are also used in the re-optimization and the repair of prostheses. The aim of our study was to investigate whether direct contact with the resin causes decomposition of methyl methacrylate and formation of ketone bodies in the oral cavity. Material and methods The in vitro study included 12 samples of autopolymerized polymethyl methacrylate and 8 samples of thermopolymerized polymethyl methacrylate. Some of the resin samples were intentionally prepared incorrectly, with modified powder
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12

Cao, Xu yan, Fei Huang, and Songlin Zhang. "An Example of Ketone Olefination via Praseodymium-Mediated Barbier Reaction in the Presence of Diethyl Phosphite." Synlett 30, no. 12 (2019): 1437–41. http://dx.doi.org/10.1055/s-0039-1690096.

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The first example of carbon double-bond formation via praseodymium-mediated Barbier type reaction of ketones and allyl halides in the presence of diethyl phosphite is reported. The reaction is highly α-regioselective and conveniently carried out under mild conditions in a one-pot fashion. From a synthetic point of view, a series of conjugated alkenes were obtained in moderate to good yields in this one-pot reaction with practical reaction conditions.
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13

Hümbert, Simon, Jonas Meth, Daniel Fricke, and Heinz Voggenreiter. "Modelling of Bond Formation during Overprinting of PEEK Laminates." Materials 17, no. 17 (2024): 4399. http://dx.doi.org/10.3390/ma17174399.

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The rapid technological progress of large-scale CNC (computer numerical control) systems for Screw Extrusion Additive Manufacturing (SEAM) has made the overprinting of composite laminates a much-discussed topic. It offers the potential to efficiently produce functionalised high-performance structures. However, bonding the 3D-printed structure to the laminate has proven to be a critical point. In particular, the bonding mechanisms must be precisely understood and controlled to ensure in situ bonding. This work investigates the applicability of healing models from 3D printing to the overprinting
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14

Guthrie, J. Peter, and Zhi Liu. "The enols of acetic acid and methyl acetate." Canadian Journal of Chemistry 73, no. 9 (1995): 1395–98. http://dx.doi.org/10.1139/v95-173.

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We have determined the heat of formation of 1,1-dimethoxyethene, ΔHf(l) = −75.56 ± 0.87 kcal mol−1, by measuring the heat of hydrolysis. The heat of vaporization, 8.47 ± 0.10 kcal mol−1, was estimated from the boiling points at various pressures. The standard entropy of gaseous 1,1-dimethoxyethene, 82.02 ± 2. cal deg−1 mol−1, was calculated using frequencies obtained by MO calculations at the 6-31G** level. The free energy of transfer, 1.02 ± 1, was estimated by additivity with allowance for a distant polar interaction. Thus the free energy of formation in aqueous solution, ΔGf(aq) = −37.07 ±
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15

Jović, Branislav, Nataša Negru, Dušan Dimić, and Branko Kordić. "Vibrational Spectroscopic and Quantum-Chemical Study of Indole–Ketone Hydrogen-Bonded Complexes." Molecules 30, no. 13 (2025): 2685. https://doi.org/10.3390/molecules30132685.

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This study investigates the structural and energetic properties of hydrogen-bonded complexes between indole and a range of aliphatic, cyclic, and aromatic ketones using a combined vibrational spectroscopic and quantum-chemical approach. FTIR measurements in CCl4 revealed redshifts in the N-H stretching vibration of indole upon complexation, with formation constants (Ka) ranging from 0.3 to 6.6 M−1. Cyclohexanone displayed the strongest binding, while benzophenone exhibited the weakest interaction. Quantum-chemical calculations, employing CREST and MMFF94 conformational sampling, along with M06
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16

Yao, Xinmiao, Xianzhe Zheng, Rui Zhao, et al. "Quality Formation of Adzuki Bean Baked: From Acrylamide to Volatiles under Microwave Heating and Drum Roasting." Foods 10, no. 11 (2021): 2762. http://dx.doi.org/10.3390/foods10112762.

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Baked adzuki beans are rich in tantalizing odor and nutritional components, such as protein, dietary fiber, vitamin B, and minerals. To analyze the final quality of baked beans, the acrylamide and volatile formation of adzuki beans were investigated under the conditions of microwave baking and drum roasting. The results indicate that the acrylamide formation in baked adzuki beans obeys the exponential growth function during the baking process, where a rapid increase in acrylamide content occurs at a critical temperature and low moisture content. The critical temperature that leads to a sudden
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17

Khudheyer Jawad Kadem. "Synthesis and Characterization of New Heterocyclic Compounds from Calix [4] arene Derivative." International Journal of Research in Pharmaceutical Sciences 11, no. 3 (2020): 3143–50. http://dx.doi.org/10.26452/ijrps.v11i3.2427.

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In this work, a new heterocyclic compounds derived from Calix[4]arene Derivative had been synthesized. The characterization of the produced compounds was performed using melting point, FT-IR spectroscopy and some of them with 1H-NMR spectroscopy. The spectral data confirm the formation of these compounds. This research includes the following two parts:- Part 1: Synthesis of Calix[4]arane Derivative from reaction Calix[4]arane with 4- Aminobutyric acid to produce ester compound this part4-Aminobutyric acid reaction with freshly distilled thinly chloride , the produce final was purified via dist
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18

Gaidukevič, Justina, Rasa Pauliukaitė, Gediminas Niaura, et al. "Synthesis of Reduced Graphene Oxide with Adjustable Microstructure Using Regioselective Reduction in the Melt of Boric Acid: Relationship Between Structural Properties and Electrochemical Performance." Nanomaterials 8, no. 11 (2018): 889. http://dx.doi.org/10.3390/nano8110889.

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The melt of H3BO3 was used to reach a controllable reduced graphene oxide (rGO) synthesis protocol using a graphene oxide (GO) precursor. Thermogravimetric analysis and differential scanning calorimetry (TG/DSC) investigation and scanning electron microscopy (SEM) images have shown that different from GO powder, reduction of GO in the melt of H3BO3 leads to the formation of less disordered structure of basal graphene planes. Threefold coordinated boron atom acts as a scavenger of oxygen atoms during the process of GO reduction. Fourier-transform infrared (FTIR) spectra of synthesized products
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19

Sivasankerreddy, L., B. Nagamani, T. Rajkumar, et al. "Novel Diazenyl Containing Phenyl Styryl Ketone Derivatives As Antimicrobial Agents." Anti-Infective Agents 17, no. 1 (2018): 28–38. http://dx.doi.org/10.2174/2211352516666180927111546.

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Background: Antibiotics play an important role in the treatment of infections to the humans and at the same time, irrational, frequent prescription of higher antibiotics, change in gene composition of microorganisms are all the reasons behind the development and introduction of new antibiotics against different microorganisms. Objective: In this project, an attempt has been made to synthesize some derivatives of diazenyl containing phenyl styryl ketones and also their in vitro screening was conducted against Mycobacterium tuberculosis, Escherichia coli, Klebsiella pneumonia, Bacillus subtilis,
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20

Makoś-Chełstowska, Patrycja, Edyta Słupek, Aleksandra Kramarz, and Jacek Gębicki. "New Carvone-Based Deep Eutectic Solvents for Siloxanes Capture from Biogas." International Journal of Molecular Sciences 22, no. 17 (2021): 9551. http://dx.doi.org/10.3390/ijms22179551.

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During biogas combustion, siloxanes form deposits of SiO2 on engine components, thus shortening the lifespan of the installation. Therefore, the development of new methods for the purification of biogas is receiving increasing attention. One of the most effective methods is physical absorption with the use of appropriate solvents. According to the principles of green engineering, solvents should be biodegradable, non-toxic, and have a high absorption capacity. Deep eutectic solvents (DES) possess such characteristics. In the literature, due to the very large number of DES combinations, conduct
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21

Hernández-Fernández, Joaquín, Yoleima Guerra, Esneyder Puello-Polo, and Edgar Marquez. "Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene." Polymers 14, no. 15 (2022): 3123. http://dx.doi.org/10.3390/polym14153123.

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This article studies the effects of arsine on the synthesis and thermal degradation of 4 samples of virgin polypropylene (PP-virgin) and proposes reaction mechanisms that allow understanding of its behaviour. Different points are monitored during the polypropylene synthesis to perform TGA, DSC, FT-IR, RDX, and MFI analyses later. The content of AsH3 in polypropylene varies between 0.05 and 4.73 ppm, and of arsenic in virgin PP residues between 0.001 and 4.32 ppm for PP0 and PP10, increasing in fluidity index from 3.0 to 24.51. The origin of thermo-oxidative degradation is explained by the reac
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22

Tan, Aaron, Maria V. Babak, Gopalakrishnan Venkatesan, et al. "Design, Synthesis and Evaluation of New Indolylpyrimidylpiperazines for Gastrointestinal Cancer Therapy." Molecules 24, no. 20 (2019): 3661. http://dx.doi.org/10.3390/molecules24203661.

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Human A3 adenosine receptor hA3AR has been implicated in gastrointestinal cancer, where its cellular expression has been found increased, thus suggesting its potential as a molecular target for novel anticancer compounds. Observation made in our previous work indicated the importance of the carbonyl group of amide in the indolylpyrimidylpiperazine (IPP) for its human A2A adenosine receptor (hA2AAR) subtype binding selectivity over the other AR subtypes. Taking this observation into account, we structurally modified an indolylpyrimidylpiperazine (IPP) scaffold, 1 (a non-selective adenosine rece
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23

Agaguseynova, Minira M., Gunel I. Amanullayeva, and Zehra E. Bayramova. "CATALYSTS OF OXIDATION REACTION OF BUTENE-1 TO METHYLETHYLKETONE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 2 (2018): 53. http://dx.doi.org/10.6060/tcct.20186102.5693.

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The available and simple metal complex systems of catalytic oxidation of unsaturated hydrocarbons were developed. It is shown that these systems catalyze the selective liquid-phase oxidation of butene-1 to methyl ethyl ketone by molecular oxygen at low temperature. The best results were revealed using Cu(I)Cl monovalent chloride. The catalyst for the production of methylethylketone is a binary system containing complexes of copper and palladium chloride at a molar ratio of 2:1. Hexamethylphosphoramide is used as the ligand and palladium chloride complex as an additional complex contains benzon
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24

Chen, Xin, Dylan B. Millet, Hanwant B. Singh, et al. "On the sources and sinks of atmospheric VOCs: an integrated analysis of recent aircraft campaigns over North America." Atmospheric Chemistry and Physics 19, no. 14 (2019): 9097–123. http://dx.doi.org/10.5194/acp-19-9097-2019.

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Abstract. We apply a high-resolution chemical transport model (GEOS-Chem CTM) with updated treatment of volatile organic compounds (VOCs) and a comprehensive suite of airborne datasets over North America to (i) characterize the VOC budget and (ii) test the ability of current models to capture the distribution and reactivity of atmospheric VOCs over this region. Biogenic emissions dominate the North American VOC budget in the model, accounting for 70 % and 95 % of annually emitted VOC carbon and reactivity, respectively. Based on current inventories anthropogenic emissions have declined to the
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25

Wasyluk, Weronika, and Agnieszka Zwolak. "Metabolic Alterations in Sepsis." Journal of Clinical Medicine 10, no. 11 (2021): 2412. http://dx.doi.org/10.3390/jcm10112412.

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Sepsis is defined as “life-threatening organ dysfunction caused by a dysregulated host response to infection”. Contrary to the older definitions, the current one not only focuses on inflammation, but points to systemic disturbances in homeostasis, including metabolism. Sepsis leads to sepsis-induced dysfunction and mitochondrial damage, which is suggested as a major cause of cell metabolism disorders in these patients. The changes affect the metabolism of all macronutrients. The metabolism of all macronutrients is altered. A characteristic change in carbohydrate metabolism is the intensificati
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26

Bailly, Christian, and Jean-Pierre Hénichart. "Advocacy for the Medicinal Plant Artabotrys hexapetalus (Yingzhao) and Antimalarial Yingzhaosu Endoperoxides." Molecules 27, no. 19 (2022): 6192. http://dx.doi.org/10.3390/molecules27196192.

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The medicinal plant Artabotrys hexapetalus (synonyms: A.uncinatus and A. odoratissimus) is known as yingzhao in Chinese. Extracts of the plant have long been used in Asian folk medicine to treat various symptoms and diseases, including fevers, microbial infections, ulcers, hepatic disorders and other health problems. In particular, extracts from the roots and fruits of the plant are used for treating malaria. Numerous bioactive natural products have been isolated from the plant, mainly aporphine (artabonatines, artacinatine) and benzylisoquinoline (hexapetalines) alkaloids, terpenoids (artabot
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27

Bashpa, P., P. Rajendran, and K. Bijudas. "KINETICS OF QUATERNIZATION BETWEEN N, N-DIMETHYLANILINE AND BENZYL CHLORIDE IN POLAR SOLVENTS-A REVISIT TO MENSHUTKIN REACTION." Journal of Advanced Scientific Research 12, no. 03 (2021): 89–94. http://dx.doi.org/10.55218/jasr.202112311.

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This work reports an extension of Menshutkin reaction and involves the studies on kinetics of quaternization reaction between N,N-Dimethylaniline and benzyl chloride in acetone and in other various solvents at 300 K. The progress of the reaction was followed by measuring the conductance of the product formed at regular intervals of time. The effect of [benzyl chloride] and [N,N-Dimethylaniline] on reaction rate was studied under pseudo-first order condition and the rate showed first order dependence on both [benzyl chloride] and [N,N-Dimethylaniline]. The effect of dielectric constant of the m
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28

Jørgensen, J. K., H. S. P. Müller, H. Calcutt, et al. "The ALMA-PILS survey: isotopic composition of oxygen-containing complex organic molecules toward IRAS 16293–2422B." Astronomy & Astrophysics 620 (December 2018): A170. http://dx.doi.org/10.1051/0004-6361/201731667.

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Context. One of the important questions of astrochemistry is how complex organic molecules, including potential prebiotic species, are formed in the envelopes around embedded protostars. The abundances of minor isotopologues of a molecule, in particular the D- and 13C-bearing variants, are sensitive to the densities, temperatures and timescales characteristic of the environment in which they form, and can therefore provide important constraints on the formation routes and conditions of individual species. Aims. The aim of this paper is to systematically survey the deuteration and the 13C conte
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29

Thangaraju, Muthusamy, Nanditi N. Thangaraju, Lauren Gilstrap, et al. "Abstract 3022: GPR109A activation limits cell growth by inducing p53 and its targets in human colon cancer cells." Cancer Research 84, no. 6_Supplement (2024): 3022. http://dx.doi.org/10.1158/1538-7445.am2024-3022.

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Abstract Chemical carcinogens or xenobiotics present in the diet play a significant role in colon cancer (CC) formation. p53, a tumor suppressor and multi-functional protein, provides an important barrier against the initiation and maintenance of CC. p53 mutation or inactivation is observed in about 60% of CCs and about 90% of all cancers. Therefore, therapeutic avenues that will rejuvenate wild-type p53 or target mutant p53 should have a significant impact on the prevention and treatment of CC. GPR109A, a G-protein coupled receptor for the FDA-approved lipid-lowering drug Niacin (NA), bacteri
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30

Toporkova, V. I., E. V. Vishnyakov, K. O. Sidorov, I. I. Terninko, and D. Yu Ivkin. "Assessment of the influence of the mineral complex of rutin on the degree of expression of anti-diabetic activity." Drug development & registration 10, no. 4 (2021): 197–205. http://dx.doi.org/10.33380/2305-2066-2021-10-4(1)-197-205.

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Introduction. Type 2 diabetes mellitus is currently considered one of the most common non-communicable diseases. For the prevention and concomitant treatment of this pathology, various herbal remedies are successfully used, such as, for example, blueberry shoots. The plant contains phenolic compounds (anthocyanins, flavonoids, phenolcarboxylic and organic acids), which have antioxidant and hypoglycemic effects, and also accumulates macro- and microelements (Ca, Mg, Zn, Mn), which in turn can affect the course of diabetes mellitus. Complexes of elements with phenolic biological active substance
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31

Ayyadhury, Shamini, Fatemah Al Solaiman, Yuna Lee, et al. "Abstract 767: Discovering the geospatial framework in glioblastoma: Uncovering hotspots for glioma stem cell hide-out and their therapeutic implications." Cancer Research 85, no. 8_Supplement_1 (2025): 767. https://doi.org/10.1158/1538-7445.am2025-767.

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Introduction: Glioblastoma or GBM is an aggressive brain cancer with a 5 year survival rate below 10 percent. Glioma stem cells or GSCs drive GBM formation, growth, and resistance. Previously, analysis of 17,601 phase contrast images from 15 GBM patients revealed that neurodevelopmental GSCs form smaller, uniform clusters, while mesenchymal and injury-response GSCs exhibit complex, irregular growth patterns. This new study examines the spatial distribution and local cellular niche of GSCs along a neurodevelopmental gradient in primary GBM. We develop a geospatial map of GSCs in relation to oth
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32

Philips, J. C., J. W. Miller, W. C. Wernau, B. E. Tate, and M. H. Auerbach. "A High-Pyruvate Xanthan for EOR." Society of Petroleum Engineers Journal 25, no. 04 (1985): 594–602. http://dx.doi.org/10.2118/10617-pa.

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Abstract High-pyruvate xanthan (HP xanthan) is produced by a proprietary strain of the Xanthomonas campestris proprietary strain of the Xanthomonas campestris organism and is available in the form of a 3 to 5 % broth or a 12 to 15 % concentrate. The liquid product is supplied commercially (FLOCON 4800 or 4800C (TM) from Pfizer Inc.) for use as a mobility control and Pfizer Inc.) for use as a mobility control and permeability reduction agent for micellar, water-thickened, and permeability reduction agent for micellar, water-thickened, and waterflood diversion projects. This paper deals with use
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Suárez-Baron, Harold, Juan F. Alzate, Barbara A. Ambrose, Soraya Pelaz, Favio González, and Natalia Pabón-Mora. "Comparative morphoanatomy and transcriptomic analyses reveal key factors controlling floral trichome development in Aristolochia (Aristolochiaceae)." Journal of Experimental Botany, September 1, 2023. http://dx.doi.org/10.1093/jxb/erad345.

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Abstract Trichomes are specialized epidermal cells in the aerial plant parts. Trichome development proceeds in three stages, determination of cell fate, specification, and morphogenesis. Most genes responsible for these processes have been identified in the unicellular branched leaf trichomes from the model Arabidopsis thaliana. Less is known about the molecular basis of multicellular trichome formation across flowering plants, especially those formed in floral organs of early diverging angiosperms. Here, we aim to identify the genetic regulatory network (GRN) underlying multicellular trichome
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Gernet, Marina, Irina Gribkova, Olga Borisenko, Maxim Zakharov, and Varvara Zakharova. "Migration of Hop Polyphenols in Beer Technology: Model Solution for Various Hopping Methods." Food Processing: Techniques and Technology, September 28, 2021, 628–38. http://dx.doi.org/10.21603/2074-9414-2021-3-628-638.

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Introduction. The research featured the effect of various hopping conditions on the content of polyphenolic compounds associated with the extraction and biotransformation of hop compounds. This mechanism is responsible for uncharacteristic beer flavor in the traditional production method. The research objective was to study the migration routes, influence factors, and changes in the content of hop polyphenols in model experiments in order to reduce various factors in the production process chain. The experiment was important from the point of view of identifying the polyphenols contribution to
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kevin. "Genshin Impact Player Builds Modern-Style House in Serenitea Pot." June 15, 2022. https://doi.org/10.5281/zenodo.6647673.

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Quite a long time back, Genshin Impact got a significant element allowing players to make a home external the universe of Teyvat. One Genshin Impact player has now chosen to make their very own home for certain imaginative exciting bends in the road. Genshin Impact is a huge open world RPG with a novel home building highlight, the Serenitea Pot. In the wake of progressing through a sizable piece of the Liyue story circular segment, the world journey named "A Teapot to Call Home" might be gotten by Madame Ping. By completing the mission line, players acquire the Serenitea Pot and ente
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Lanza, Lucrezia, Daniela Bjarnesen, Mehmet Mervan Cakar, et al. "Engineering of the Thiamine Diphosphate‐Dependent JanthE for the Synthesis of Tertiary Alcohols." Chemistry – A European Journal, May 20, 2025. https://doi.org/10.1002/chem.202500890.

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The development of (bio)catalytic methods to chiral tertiary alcohols is in demand, yet the enantioselective synthesis of tertiary alcohols with sterically hindered moieties is problematic. JanthE is a novel thiamine diphosphate‐dependent enzyme that catalyzes aldehyde‐ketone cross‐coupling reactions with a wide range of donor and acceptor substrates. However, product formation is low and precludes large‐scale production. We investigated the conversion of 2‐oxobutanoate and the bulky ketone phenoxy‐2‐propanone to the product 2‐hydroxy‐2‐methyl‐1‐phenoxypentan‐3‐one as a model reaction for the
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Liśkiewicz, Daniela, Arkadiusz Liśkiewicz, Marta M. Nowacka-Chmielewska, et al. "Differential Response of Hippocampal and Cerebrocortical Autophagy and Ketone Body Metabolism to the Ketogenic Diet." Frontiers in Cellular Neuroscience 15 (August 11, 2021). http://dx.doi.org/10.3389/fncel.2021.733607.

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Experimental and clinical data support the neuroprotective properties of the ketogenic diet and ketone bodies, but there is still a lot to discover to comprehensively understand the underlying mechanisms. Autophagy is a key mechanism for maintaining cell homeostasis, and therefore its proper function is necessary for preventing accelerated brain aging and neurodegeneration. Due to many potential interconnections, it is possible that the stimulation of autophagy may be one of the mediators of the neuroprotection afforded by the ketogenic diet. Recent studies point to possible interconnections b
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"The formation of aldehydes and ketones ozonation by-products and their variation through general water treatment plant in Hamadan, Iran." Issue 4 17, no. 4 (2015): 682–91. http://dx.doi.org/10.30955/gnj.001633.

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<div>
 <p>The effect of pre-ozonation on the formation of four aldehydes (i.e. formaldehyde, acetaldehyde, glyoxal, methyl glyoxal) and two ketones (i.e. pyruvic acid and glioxalic acid) at the Beheshti water treatment plant in Hamadan, Iran were studied. Water samples were taken from the treatment plant at different points of the treatment train during September-January, 2013. The variation of formaldehyde, acetaldehyde, glyoxal, methyl glyoxal, pyruvic acid, and acid glioxalic concentration within treatment process were monitored in September and January. The results indicat
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"Enantioselective Protonation of Enolates in Natural Product Synthesis." CHIMIA 45, no. 9 (1991): 253. http://dx.doi.org/10.2533/chimia.1991.253.

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Since their discovery in 1967, the damascones with their typical fruity flowery scent and exceptional odor strength, have become important perfume components. Our interest originated in the synthesis of (E)-prop-1-enyl ketones starting from appropriate carboxylic-acid derivatives by Grignard mono-addition. In the presence of LDA, nonenolizable or slowly enolizable esters or carboxamides are converted into ketones which are protected from further reaction by their in situ conversion into enolates. The predominant formation of (E)-enolates is of synthetic interest, and this point is discussed in
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Angarita-Rodríguez, Andrea, Nicolás Mendoza-Mejía, Janneth Gonzalez, et al. "Multi-Omics Integrative Analysis Coupled to Control Theory and Computational Simulation of a Genome-Scale metabolic Model Reveal Controlling Biological Switches in Human Astrocytes Under Palmitic Acid-Induced Lipotoxicity." Frontiers in Systems Biology 2 (May 30, 2022). http://dx.doi.org/10.3389/fsysb.2022.896265.

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Astrocytes play an important role in various processes in the brain, including pathological conditions such as neurodegenerative diseases. Recent studies have shown that the increase in saturated fatty acids such as palmitic acid (PA) triggers pro-inflammatory pathways in the brain. The use of synthetic neurosteroids such as tibolone has demonstrated neuro-protective mechanisms. However, broad studies, with a systemic point of view on the neurodegenerative role of PA and the neuro-protective mechanisms of tibolone are lacking. In this study, we performed the integration of multi-omic data (tra
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Sokolnyk, Snizhana Vasylivna, Dmytro Ivanovych Kolesnik, Dmytro Yuriyovych Nechytaylo, et al. "Indicators of cognitive activity of children with laboratory hypothyroidism." October 29, 2021. https://doi.org/10.12775/JEHS.2021.11.10.028.

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Sokolnyk Snizhana Vasylivna, Kolesnik Dmytro Ivanovych, Nechytaylo Dmytro Yuriyovych, Sokolnyk Iryna Serhiivna, Khlunovska Lyudmyla Yuriivna, Loziuk Iryna Yaroslavivna, Ostapchuk Valentyna Hryhorivna. Indicators of cognitive activity of children with laboratory hypothyroidism. Journal of Education, Health and Sport. 2021;11(10): 301-310. eISSN 2391-8306. DOI http://dx.doi.org/10.12775/JEHS.2021.11.10.028 https://apcz.umk.pl/JEHS/article/view/JEHS.2021.11.10.028 https://zenodo.org/record/5717279         The journal has had 5 points in Ministry of Science and Higher Education
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McCormack, Paul. "Screen II." M/C Journal 2, no. 2 (1999). http://dx.doi.org/10.5204/mcj.1744.

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I recently undertook the unenviable task of moving house and amidst all the packing, puffing, panting and paying-through-the-nose for various services and utilities one thing caught my attention. The living room essentially laid itself out with little or no human input (apart from puffing and panting of course), and it did so all in relation to a single small hole in the wall of approximately one centimetre in diameter: the TV jack. So this article stems from that observation, and from the fact that so many of the living rooms one enters have almost exactly the same general configuration as mi
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