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Artículos de revistas sobre el tema "Ethylene"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Guo, Weijun, Junqing Yin, Zhen Xu, et al. "Visualization of on-surface ethylene polymerization through ethylene insertion." Science 375, no. 6585 (2022): 1188–91. http://dx.doi.org/10.1126/science.abi4407.

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Polyethylene production through catalytic ethylene polymerization is one of the most common processes in the chemical industry. The popular Cossee-Arlman mechanism hypothesizes that the ethylene be directly inserted into the metal–carbon bond during chain growth, which has been awaiting microscopic and spatiotemporal experimental confirmation. Here, we report an in situ visualization of ethylene polymerization by scanning tunneling microscopy on a carburized iron single-crystal surface. We observed that ethylene polymerization proceeds on a specific triangular iron site at the boundary between

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2

Gu, Mengmeng, James A. Robbins, and Curt R. Rom. "The Role of Ethylene in Water-deficit Stress Responses in Betula papyrifera Marsh." HortScience 42, no. 6 (2007): 1392–95. http://dx.doi.org/10.21273/hortsci.42.6.1392.

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One-year-old paper birch (Betula papyrifera Marsh.) seedlings were exposed to water deficit, ethylene, or inhibitors of ethylene action under greenhouse conditions to investigate ethylene's role in water-deficit stress-induced leaf abscission. Exposing well-watered and water-stressed paper birch to 20 ppm ethylene resulted in more than 50% leaf abscission after 96 h regardless of plant water status. However, application of a physiological level (1 ppm) of ethylene did not cause leaf abscission in either well-watered or water-stressed paper birch. Inhibitors of ethylene action (1ppm 1-methylcyc

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3

Liu, Chunyan. "Biodegradable Poly(ethylene succinate-co-ethylene oxalate-co-diethylene glycol succinate): Effects of a Small Amount of Ethylene Oxalate Content on the Properties of Poly(ethylene succinate)." Polymer Korea 45, no. 2 (2021): 294–302. http://dx.doi.org/10.7317/pk.2021.45.2.294.

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4

Khan, Sheen, Ameena Fatima Alvi, and Nafees A. Khan. "Role of Ethylene in the Regulation of Plant Developmental Processes." Stresses 4, no. 1 (2024): 28–53. http://dx.doi.org/10.3390/stresses4010003.

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Ethylene, a gaseous phytohormone, is emerging as a central player in the intricate web of plant developmental processes from germination to senescence under optimal and stressed conditions. The presence of ethylene has been noted in different plant parts, including the stems, leaves, flowers, roots, seeds, and fruits. This review aims to provide a comprehensive overview of the regulatory impact of ethylene on pivotal plant developmental processes, such as cell division and elongation, senescence, abscission, fruit and flower development, root hair formation, chloroplast maturation, and photosy

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5

Cheong, Minserk, and Ajeet Singh. "A Density Functional Study on Ethylene Trimerization and Tetramerization Using Real Sasol Cr-PNP Catalysts." Molecules 28, no. 7 (2023): 3101. http://dx.doi.org/10.3390/molecules28073101.

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To gain molecular-level insight into the intricate features of the catalytic behavior of chromium–diphosphine complexes regarding ethylene tri- and tetramerizations, we performed density functional theory (DFT) calculations. The selective formation of 1-hexene and 1-octene by the tri- and tetramerizations of ethylene are generally accepted to follow the metallacycle mechanism. To explore the mechanism of ethylene tri- and tetramerizations, we used a real Sasol chromium complex with a nitrogen-bridged diphosphine ligand with ortho- and para-methoxyaryl substituents. We explore the trimerization

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6

Nowshahri, Aliya Fareed. "A Review of the Research on the Mechanism of Ethylene in Plant Leaf Senescence." Journal of Research in Science and Engineering 6, no. 12 (2024): 102–6. https://doi.org/10.53469/jrse.2024.06(12).17.

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Leaf senescence represents the final stage of plant development, involving nutrient redistribution and cellular degradation. Ethylene, a gaseous hormone, plays a pivotal role in regulating this process. Despite extensive research, gaps persist in understanding ethylene's contribution to leaf senescence comprehensively. This review synthesizes existing literature to elucidate ethylene's signalling cascade, interaction with other hormones, and response to environmental stress. Key findings highlight the nuanced relationship between ethylene, leaf age, and environmental factors, emphasising the n

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7

Cao, Yihan, Wei-Chun Shih, Nattamai Bhuvanesh, and Oleg V. Ozerov. "Reversible addition of ethylene to a pincer-based boryl-iridium unit with the formation of a bridging ethylidene." Chemical Science 11, no. 40 (2020): 10998–1002. http://dx.doi.org/10.1039/d0sc04748a.

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8

Truong Quoc, Hung, Nhat Phan Long, and Tuy Dao Quoc. "Synthesis of mesoporous Co/Al-SBA-15 catalyst and application to ethylene hydropolymerization." Vietnam Journal of Catalysis and Adsorption 9, no. 2 (2020): 107–13. http://dx.doi.org/10.51316/jca.2020.037.

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Liquid fuel, a mixture of ethylene’s liquid oligomer, from ethylene was successfully carried out by oligomerization of ethylene in the presence of Co/Al-SBA-15. The mesoporous Co/Al-SBA-15 catalyst was prepared through impregnation of varies amount of Co (5, 7.5, 10, and 15 wt.%) into Al-SBA-15. The conversion of ethylene was performed at atmospheric pressure and 190°C in the presence of CO and H2, and 08 hour/day. Through all of Co impregnated proportion on Al-SBA-15 (5, 7.5, 10 and 15 wt.%), the GC-MS result showed the liquid hydrocarbon were obtained as naptha (15.37÷30.53%), gasoline (10.6

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9

Ali, Amjad, Muhammad Nadeem, Jinwei Lu, et al. "Rapid kinetic evaluation of homogeneous single-site metallocene catalysts and cyclic diene: how do the catalytic activity, molecular weight, and diene incorporation rate of olefins affect each other?" RSC Advances 11, no. 50 (2021): 31817–26. http://dx.doi.org/10.1039/d1ra06243c.

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10

Foster, Gillian. "Low-Carbon Futures for Bioethylene in the United States." Energies 12, no. 10 (2019): 1958. http://dx.doi.org/10.3390/en12101958.

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The manufacture of the chemical ethylene, a key ingredient in plastics, currently depends on fossil-fuel-derived carbon and generates significant greenhouse gas emissions. Substituting ethylene’s fossil fuel feedstock with alternatives is important for addressing the challenge of global climate change. This paper compares four scenarios for meeting future ethylene supply under differing societal approaches to climate change based on the Shared Socioeconomic Pathways. The four scenarios use four perspectives: (1) a sustainability-focused pathway that demands a swift transition to a bioeconomy w

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11

Wang, Yi-Cong, Pei-Yi Cheng, Zhi-Qian Zhang, et al. "Highly efficient terpolymerizations of ethylene/propylene/ENB with a half-titanocene catalytic system." Polymer Chemistry 12, no. 44 (2021): 6417–25. http://dx.doi.org/10.1039/d1py01140e.

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Highly efficient terpolymerization of ethylene, propylene and 5-ethylidene-2-norbornene using a half-titanocene containing iminoimidazolidine with methylaluminoxane/Al(iBu)3/2,6-ditertbutyl-4-methyl-phenol was achieved.

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12

Gubrium, E. K., D. G. Clark, H. J. Klee, T. A. Nell, and J. E. Barrett. "Analysis of Horticultural Performance of Ethylene-insensitive Petunias and Tomatoes." HortScience 32, no. 3 (1997): 499D—499. http://dx.doi.org/10.21273/hortsci.32.3.499d.

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We are studying the horticultural performance of two model plant systems that carry a mutant gene that confers ethylene-insensitivity: Never Ripe tomatoes and petunia plants transformed with the mutant etr1-1 gene isolated from Arabidopsis thaliana. Having two model systems to compare side-by-side allows us to determine with greater certainty ethylene's role at different developmental stages. Presence of the mutant etr1-1 gene in transgenic petunias was determined using three techniques: PCR analysis, the seedling triple response assay (inhibition of stem elongation, radial swelling of stem an

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13

Ali, Amjad, Muhammad Khurram Tufail, Muhammad Imran Jamil, et al. "Comparative Analysis of Ethylene/Diene Copolymerization and Ethylene/Propylene/Diene Terpolymerization Using Ansa-Zirconocene Catalyst with Alkylaluminum/Borate Activator: The Effect of Conjugated and Nonconjugated Dienes on Catalytic Behavior and Polymer Microstructure." Molecules 26, no. 7 (2021): 2037. http://dx.doi.org/10.3390/molecules26072037.

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The copolymerization of ethylene‒diene conjugates (butadiene (BD), isoprene (IP) and nonconjugates (5-ethylidene-2-norbornene (ENB), vinyl norbornene VNB, 4-vinylcyclohexene (VCH) and 1, 4-hexadiene (HD)), and terpolymerization of ethylene-propylene-diene conjugates (BD, IP) and nonconjugates (ENB, VNB, VCH and HD) using two traditional catalysts of C2-symmetric metallocene—silylene-bridged rac-Me2Si(2-Me-4-Ph-Ind)2ZrCl2 (complex A) and ethylene-bridged rac-Et(Ind)2ZrCl2 (complex B)—with a [Ph3C][B(C6F5)4] borate/TIBA co-catalyst, were intensively studied. Compared to that in the copolymerizat

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14

Jasinki, Joseph M. "Fifth CH overtone spectra of ethylene and deuterated ethylenes." Chemical Physics Letters 123, no. 1-2 (1986): 121–25. http://dx.doi.org/10.1016/0009-2614(86)87025-7.

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15

de Roo, C. Maurits, Johann B. Kasper, Martin van Duin, Francesco Mecozzi, and Wesley Browne. "Off-line analysis in the manganese catalysed epoxidation of ethylene-propylene-diene rubber (EPDM) with hydrogen peroxide." RSC Advances 11, no. 51 (2021): 32505–12. http://dx.doi.org/10.1039/d1ra06222k.

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Epoxidation of ethylene-propylene-diene rubber (EPDM), based on 5-ethylidene-2-norbornene, to epoxidized EPDM (eEPDM) opens routes to cross-linking and reactive blending, with increased polarity aiding adhesion to polar materials such as silica.

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16

Schaller, G. Eric, and Joseph J. Kieber. "Ethylene." Arabidopsis Book 1 (January 2002): e0071. http://dx.doi.org/10.1199/tab.0071.

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17

Shibuya, Kenichi, and David G. Clark. "Ethylene." Journal of Crop Improvement 18, no. 1-2 (2006): 391–412. http://dx.doi.org/10.1300/j411v18n01_05.

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18

Bleeker, Anthony. "Ethylene." Current Biology 11, no. 23 (2001): R952. http://dx.doi.org/10.1016/s0960-9822(01)00571-1.

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19

Luttrell, William E., and Luke R. Fletcher. "Ethylene." Journal of Chemical Health and Safety 23, no. 3 (2016): 43–45. http://dx.doi.org/10.1016/j.jchas.2016.04.006.

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20

Abeles, F. B., and L. J. Dunn. "Ethylene-enhanced ethylene oxidation inVicia faba." Journal of Plant Growth Regulation 4, no. 1-4 (1985): 123–28. http://dx.doi.org/10.1007/bf02266950.

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21

Abd Allah, Elrafie Ahmed, Abdel Elhameed M. O. Kasif, Yasir Awad Alla Mohamed, and Ayat Abdel Elkhalig H. Mahmoud. "Simulation of ethylene oxide production from ethylene cholorhydrin." Proceedings of the Voronezh State University of Engineering Technologies 84, no. 1 (2022): 222–25. http://dx.doi.org/10.20914/2310-1202-2022-1-222-225.

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This research has been performed in the Ethylene Oxide production process. It is a flammable and colorless gas at temperatures above 11 °C. It is an important commodity chemical for the production of solvents, antifreeze, textiles, detergents, adhesives, polyurethane foam, and pharmaceuticals. Small amounts of Ethylene Oxide [EO] are used in manufacturing fumigants and sterilants for spices and cosmetics, as well as hospital sterilization for surgical equipment. Modern Ethylene oxide [EO] productions employ either air or oxygen (O2)to oxidize ethylene (C2H4) with a silver catalyst on an alumin

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22

Hrabovský, Ján, Jaroslav Kováč, and Mária Kaprinayová. "5-Nitro-2-thienylvinylation. Preparation of 2-substituted 1-(5-nitro-2-thienyl)ethylenes." Collection of Czechoslovak Chemical Communications 51, no. 5 (1986): 1127–32. http://dx.doi.org/10.1135/cccc19861127.

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The preparation of 2-substituted 1-(5-nitro-2-thienyl)-ethylenes based on the reaction of (Z)-2-bromo-1-(5-nitro-2-thienyl)ethylene with aromatic or heteroaromatic compounds in the presence of aluminum chloride is described. The structure of the derivatives prepared was investigated by means of 1H NMR and UV spectra and dipole moments measurement.

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23

Kim, Heejung, Elizabeth E. Helmbrecht, M. Blaine Stalans, et al. "Ethylene Receptor ETHYLENE RECEPTOR1 Domain Requirements for Ethylene Responses in Arabidopsis Seedlings." Plant Physiology 156, no. 1 (2011): 417–29. http://dx.doi.org/10.1104/pp.110.170621.

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24

Iijima, Takao, Hiroshi Ono, and Masao Tomoi. "Modification of bismaleimide resin by poly(ethylene phthalate-co-ethylene terephthalate), poly(ethylene phthalate-co-ethylene 4,4?-biphenyl dicarboxylate), and poly(ethylene phthalate-co-ethylene 2,6-naphthalene dicarboxylate)." Journal of Applied Polymer Science 81, no. 10 (2001): 2352–67. http://dx.doi.org/10.1002/app.1676.

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25

Komatsu, T., K. Momonoi, T. Matsuo, and K. Hanaki. "Biotransformation of cis-1,2-dichloroethylene to ethylene and ethane under anaerobic conditions." Water Science and Technology 30, no. 7 (1994): 75–84. http://dx.doi.org/10.2166/wst.1994.0313.

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cis-1,2-Dichloroethylene (cis-DCE) is frequently found at significant concentrations in groundwater which is contaminated with tetrachloroethylene or trichloroethylene. Under anaerobic conditions, cis-DCE can be biotransformed via reductive dechlorination to ethylene. Several factors affecting this transformation were investigated using anaerobic sewage sludge as an inoculum. The reductive dechlorination of cis-DCE was observed at 25°C and 15°C but not at 35°C. Supplying a suitable electron donor (organic substrate or hydrogen) was necessary to sustain reductive dechlorination. Glucose, yeast

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26

Filios, P. M., and W. B. Miller. "ETHYLENE AND ANTI-ETHYLENE TECHNOLOGIES IN LILIES." Acta Horticulturae, no. 900 (July 2011): 283–88. http://dx.doi.org/10.17660/actahortic.2011.900.35.

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27

Grotevendt, Anne G. D., Justin A. M. Lummiss, Melanie L. Mastronardi, and Deryn E. Fogg. "Ethylene-Promoted versus Ethylene-Free Enyne Metathesis." Journal of the American Chemical Society 133, no. 40 (2011): 15918–21. http://dx.doi.org/10.1021/ja207388v.

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28

Hall, Brenda P., Samina N. Shakeel, and G. Eric Schaller. "Ethylene Receptors: Ethylene Perception and Signal Transduction." Journal of Plant Growth Regulation 26, no. 2 (2007): 118–30. http://dx.doi.org/10.1007/s00344-007-9000-0.

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29

Chagué, Véronique, Levanoni-Visel Danit, Verena Siewers, et al. "Ethylene Sensing and Gene Activation in Botrytis cinerea: A Missing Link in Ethylene Regulation of Fungus-Plant Interactions?" Molecular Plant-Microbe Interactions® 19, no. 1 (2006): 33–42. http://dx.doi.org/10.1094/mpmi-19-0033.

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Ethylene production by infected plants is an early resistance response leading to activation of plant defense pathways. However, plant pathogens also are capable of producing ethylene, and ethylene might have an effect not only on the plant but on the pathogen as well. Therefore, ethylene may play a dual role in fungus—plant interactions by affecting the plant as well as the pathogen. To address this question, we studied the effects of ethylene on the gray mold fungus Botrytis cinerea and the disease it causes on Nicotiana benthamiana plants. Exposure of B. cinerea to ethylene inhibited myceli

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30

Goren, Raphael, Chic Nishijima, and George C. Martin. "Effects of External Ethylene on the Production of Endogenous Ethylene in Olive Leaf Tissue." Journal of the American Society for Horticultural Science 113, no. 5 (1988): 778–83. http://dx.doi.org/10.21273/jashs.113.5.778.

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Abstract Olive (Olea europaea L.) leaves are characterized by their ability to respond to exogenous ethylene by a 100- to 400-fold enhanced ethylene production irrespective of leaf age or time of year when sampled. The autoenhancement of ethylene production from intact or detached leaves is positively correlated with the concentration of external ethylene. A lag time of 72 to 120 hr occurred before the autoenhancement of ethylene production could be observed. An autoinhibition of ethylene production was usually observed during the first 24 to 48 hr. The effect was, however, much less pronounce

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31

Muzeni, Richard J. "Rapid Gas Chromatographic Determination of Ethylene Oxide, Ethylene Chlorohydrin, and Ethylene Glycol Residues in Rubber Catheters." Journal of AOAC INTERNATIONAL 68, no. 3 (1985): 506–8. http://dx.doi.org/10.1093/jaoac/68.3.506.

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Abstract Isothermal gas chromatography with flame ionization detection was used to determine residual ethylene oxide (EtO), ethylene chlorohydrin, and ethylene glycol in soft rubber catheters that had been sterilized with EtO. Catheter samples were extracted by shaking with carbon disulflde, and the extract was analyzed on a 3% Carbowax 20M on 80- 100 mesh Chromosorb 101 column, using nitrogen as the carrier gas. Ten replicate injections of a mixed standards solution gave coefficients of variation of 1.91, 1.23, and 4.74% for EtO, ethylene chlorohydrin, and ethylene glycol, respectively. A lin

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32

Mason, Michael G., and G. Eric Schaller. "Histidine kinase activity and the regulation of ethylene signal transduction." Canadian Journal of Botany 83, no. 6 (2005): 563–70. http://dx.doi.org/10.1139/b05-053.

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Ethylene is a gaseous hormone that regulates many aspects of plant growth and development. Although the effect of ethylene on plant growth was discovered a century ago, the key players in the ethylene response pathway were only identified over the last 15 years. In Arabidopsis, ethylene is perceived by a family of five receptors (ETR1, ETR2, ERS1, ERS2, and EIN4) that resemble two-component histidine kinases. Of these, only ETR1 and ERS1 contain all the conserved residues required for histidine kinase activity. The ethylene receptors appear to function primarily through CTR1, a serine/threonin

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33

İlman Hasanov, Sayalı Hasanli, İlman Hasanov, Sayalı Hasanli. "ETHYLENE OXIDE PRODUCTION TECHNOLOGY." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 152, no. 06 (2024): 34–40. https://doi.org/10.36962/pahtei152062024-34.

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The article examines the production technology of ethylene oxide [EO] using silver aluminum catalyst [Ag/Al2O3] packed in a plug reactor to oxidize ethylene (C2H4) uses either air or oxygen (O2), but the oxygen-based reaction process since it is more effective, the use of oxygen was considered suitable for the purpose. Basically two reactions take place, the partial oxidation of ethylene to ethylene oxide and the complete oxidation of ethylene to carbon dioxide and water. The process design models in this study are based on a three-component system. These are: a reaction system, an absorption

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34

Khlebnikova, Elena, Irena Dolganova, Elena Ivashkina, and Stanislav Koshkin. "Modeling of Benzene with Ethylene Alkylation." International Journal of Chemical Engineering and Applications 8, no. 1 (2017): 61–66. http://dx.doi.org/10.18178/ijcea.2017.8.1.631.

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35

Chkhubianishvili, Nodar, and Lali Kristesashvili. "Investigation of Reaction of Ethylene Telomerization." Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 10. Innovatcionnaia deiatel’nost’, no. 2 (May 2015): 22–28. http://dx.doi.org/10.15688/jvolsu10.2015.2.3.

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36

Hong, Ji Heun, and Kenneth C. Gross. "Involvement of Ethylene in Development of Chilling Injury in Fresh-cut Tomato Slices during Cold Storage." Journal of the American Society for Horticultural Science 125, no. 6 (2000): 736–41. http://dx.doi.org/10.21273/jashs.125.6.736.

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Experiments were conducted to determine if ethylene influences chilling injury, as measured by percentage of slices exhibiting water-soaked areas in fresh-cut tomato slices of `Mountain Pride' and `Sunbeam' tomato (Lycopersicon esculentum Mill.). Ethylene concentration in containers without ventilation significantly increased during storage at 5 °C, whereas little or no accumulation of ethylene occurred in containers with one or six perforations. Chilling injury was greatest for slices in containers with six perforations, compared to slices in containers with one perforation, and was over 13-f

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37

Chegeh, B. K., and D. H. Picha. "ETHYLENE EFFECT ON SWEET POTATO SUGAR CONTENT, CHILLING INJURY AND SPROUTING." HortScience 28, no. 4 (1993): 277B—277. http://dx.doi.org/10.21273/hortsci.28.4.277b.

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Cured and non-cured `Beauregard' and `Jewel' sweet potato roots were exposed to 0, 1, 10, 100, and 1000 ppm ethylene for 15 days at room temperature (21°C). Sucrose and total sugar content increased with increasing ethylene. Fructose, glucose, and maltose content had little or no change, while alcohol insoluble solids decreased with increasing ethylene concentration. Roots exposed to ethylene for 10 days and then chilled at 4.4°C for 15 days developed chilling injury symptoms sooner than those free of ethylene. Chilling injury increased with increasing ethylene concentration. Non-cured roots s

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38

Fan, Xuetong, and James Mattheis. "382 1-Methylcyclopropene Prevents Development of Ethylene-promoted Postharvest Physiological Disorders of Carrot, Broccoli, and Lettuce." HortScience 34, no. 3 (1999): 510A—510. http://dx.doi.org/10.21273/hortsci.34.3.510a.

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Carrots, broccoli, and lettuce were treated with air, continuous ethylene, 1-methylcyclopropene (MCP), or a combination of MCP before continuous ethylene. The respiration rate of ethylene-treated carrots reached a maximum 4 days after treatment and remained higher compared to controls through 16 days at 10 °C. Ethylene treatment also resulted in an accumulation of isocoumarin. Treating carrots with MCP before ethylene exposure inhibited the increase in respiration rate and accumulation of isocoumarin. MCP treatment reduced broccoli respiration and yellowing compared to controls, indicating tha

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39

Defilippi*, Bruno, Abhaya Dandekar, and Adel Kader. "Identifying Flavor Metabolites Under Ethylene Regulation in Apples." HortScience 39, no. 4 (2004): 781B—781. http://dx.doi.org/10.21273/hortsci.39.4.781b.

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To understand the role of ethylene in overall flavor of apple fruits, ethylene production, and action were reduced using apple trees lines transformed for suppressing activity of ACC-synthase or ACC-oxidase enzymes, and 1-methylcyclopropene (1-MCP), an ethylene action inhibitor. A major reduction in ethylene biosynthesis and respiration rates was measured in fruits from these treatments. As expected, we found differential levels of dependence of flavor components on ethylene biosynthesis and action. Regarding aroma production, an ethyleneassociated event, headspace analysis showed a reduction

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40

Kendall, Stephen A., and Timothy J. Ng. "Genetic Variation of Ethylene Production in Harvested Muskmelon Fruits." HortScience 23, no. 4 (1988): 759–61. http://dx.doi.org/10.21273/hortsci.23.4.759.

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Abstract Two netted and three nonnetted (casaba) muskmelon (Cucumis melo L.) cultigens and their hybrids were examined after harvest for ethylene production and for concentration of ethylene in the cavity. Whole fruit ethylene production was related to cavity concentrations. Netted muskmelon fruit produced appreciable amounts of ethylene at or near harvest while nonnetted fruit did not produce ethylene until as late as 20 days postharvest. Hybrids were generally intermediate to the parents in rate and time of production of ethylene, thus demonstrating that rates of ethylene production and cavi

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41

Blankenship, Sylvia M., and Edward C. Sisler. "Ethylene Binding Site Affinity in Ripening Apples." Journal of the American Society for Horticultural Science 118, no. 5 (1993): 609–12. http://dx.doi.org/10.21273/jashs.118.5.609.

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Scatchard plots for ethylene binding in apples (Malus domestica Borkh.), which were harvested weekly for 5 weeks to include the ethylene climacteric rise, showed C50 values (concentration of ethylene needed to occupy 50% of the ethylene binding sites) of 0.10, 0.11, 0.34, 0.40, and 0.57 μl ethylene/liter-1, respectively, for each of the 5 weeks. Higher ethylene concentrations were required to saturate the binding sites during the climacteric rise than at other times. Diffusion of 14C-ethylene from the binding sites was curvilinear and did not show any indication of multiple binding sites. Ethy

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42

Saeed, Mostafa, Lan Zhao, Ahmed K. Rashwan, et al. "Ethylene-Induced Postharvest Changes in Five Chinese Bayberry Cultivars Affecting the Fruit Ripening and Shelf Life." Horticulturae 10, no. 11 (2024): 1144. http://dx.doi.org/10.3390/horticulturae10111144.

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Ethylene is an essential indicator of fruit ripening and climacteric or non-climacteric nature. This study investigated the postharvest behavior of five Chinese bayberry cultivars ‘Biqi’, ‘Dongkui’, ‘Fenhong’, ‘Xiazhihong’, and ‘Shuijing’. The fruits were harvested mature and stored at room temperature (25 °C) and under cold storage conditions (4 °C) to investigate the dynamics of ethylene production, firmness, anthocyanin content, and cell wall polysaccharide composition, as well as basic fruit physicochemical characteristics. The results show that Chinese bayberry is a climacteric fruit with

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Kurchii, B. A. "Proposals for the ISS: «Ethylene» Experiment. Role of ethylene and abscisic acid in biological effects of microgravity." Kosmìčna nauka ì tehnologìâ 6, no. 4 (2000): 96. http://dx.doi.org/10.15407/knit2000.04.962.

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Martel, Ashley B., and Mirwais M. Qaderi. "Exogenous ethylene increases methane emissions from canola by adversely affecting plant growth and physiological processes." Botany 99, no. 7 (2021): 421–31. http://dx.doi.org/10.1139/cjb-2021-0002.

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It is well known that ethylene affects plants; however, its regulatory role in plant-derived methane (CH4) has not been addressed. In this study, we determined the effects of exogenous ethylene on canola (Brassica napus L.) growth and physiological traits, endogenous ethylene, and aerobic methane emission. Plants were grown under experimental conditions (22/18 °C, 16 h light : 8 dark; 500 µmol photons·m−2·s−1) for 21 d and were exposed to exogenous ethylene for different durations (0, 1, or 2 h·d−1). Methane and ethylene emissions were measured after 7, 14, and 21 d, whereas growth and physiol

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45

Fa Yang, Shang. "Biosynthesis and Action of Ethylene." HortScience 20, no. 1 (1985): 41–45. http://dx.doi.org/10.21273/hortsci.20.1.41.

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Abstract Ethylene is a plant hormone which regulates many aspects of growth, development, and senescence (1). Depending upon where and when ethylene occurs, it may be beneficial or harmful to harvested horticultural crops. Efficient postharvest technology therefore requires the ability to control ethylene effects to suit our practical needs. Before ethylene can exert such responses, it has to be biosynthesized by the plants or supplies from external sources. As in the case of other hormones, ethylene is thought to bind to a receptor, forming an activated complex which in turn triggers the prim

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46

Koyama, Tomoyuki, Honami Zaizen, Ikuo Takahashi, Hidemitsu Nakamura, Masatoshi Nakajima, and Tadao Asami. "Small Molecules with Thiourea Skeleton Induce Ethylene Response in Arabidopsis." International Journal of Molecular Sciences 24, no. 15 (2023): 12420. http://dx.doi.org/10.3390/ijms241512420.

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Ethylene is the only gaseous plant hormone that regulates several aspects of plant growth, from seedling morphogenesis to fruit ripening and organ senescence. Ethylene also stimulates the germination of Striga hermonthica, a root parasitic weed that severely damages crops in sub-Saharan Africa. Thus, ethylene response stimulants can be used as weed and crop control agents. Ethylene and ethephon, an ethylene-releasing compound, are currently used as ethylene response inducers. However, since ethylene is a gas, which limits its practical application, we targeted the development of a solid ethyle

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Fatma, Mehar, Mohd Asgher, Noushina Iqbal, et al. "Ethylene Signaling under Stressful Environments: Analyzing Collaborative Knowledge." Plants 11, no. 17 (2022): 2211. http://dx.doi.org/10.3390/plants11172211.

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Ethylene is a gaseous plant growth hormone that regulates various plant developmental processes, ranging from seed germination to senescence. The mechanisms underlying ethylene biosynthesis and signaling involve multistep mechanisms representing different control levels to regulate its production and response. Ethylene is an established phytohormone that displays various signaling processes under environmental stress in plants. Such environmental stresses trigger ethylene biosynthesis/action, which influences the growth and development of plants and opens new windows for future crop improvemen

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Wei, Shukun, Yaqing Yang, Yuan Yuan, Lingyu Du, Hongjuan Xue, and Bo OuYang. "NMR Detection and Structural Modeling of the Ethylene Receptor LeETR2 from Tomato." Membranes 12, no. 2 (2022): 107. http://dx.doi.org/10.3390/membranes12020107.

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The gaseous plant hormone ethylene influences many physiological processes in plant growth and development. Plant ethylene responses are mediated by a family of ethylene receptors, in which the N-terminal transmembrane domains are responsible for ethylene binding and membrane localization. Until now, little structural information was available on the molecular mechanism of ethylene responses by the transmembrane binding domain of ethylene receptors. Here, we screened different constructs, fusion tags, detergents, and purification methods of the transmembrane sensor domain of ethylene receptors

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Larsen, Paul B. "Mechanisms of ethylene biosynthesis and response in plants." Essays in Biochemistry 58 (September 15, 2015): 61–70. http://dx.doi.org/10.1042/bse0580061.

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Ethylene is the simplest unsaturated hydrocarbon, yet it has profound effects on plant growth and development, including many agriculturally important phenomena. Analysis of the mechanisms underlying ethylene biosynthesis and signalling have resulted in the elucidation of multistep mechanisms which at first glance appear simple, but in fact represent several levels of control to tightly regulate the level of production and response. Ethylene biosynthesis represents a two-step process that is regulated at both the transcriptional and post-translational levels, thus enabling plants to control th

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Valeev, A., E. Nurieva, and G. Sagdeeva. "Patent Analysis of Production of Ethylene Oxide by Pure Oxygen on Methane Ballast." Bulletin of Science and Practice 10, no. 3 (2024): 428–32. http://dx.doi.org/10.33619/2414-2948/100/53.

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This article is devoted to the consideration of methods for the industrial production of ethylene oxide. Ethylene oxide is produced in large quantities and is primarily used as an intermediate in the production of a number of industrial chemicals, the best known of which is ethylene glycol. The process of producing ethylene oxide is carried out by a direct vapor-phase oxidation process, in which ethylene is oxidized to ethylene oxide by air or oxygen and a silver catalyst at 10-30 atm (1–3 MPa) and 200-300 °C. Ethylene oxidation can be carried out in several ways: air, oxygen under nitrogen ba

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