Academic literature on the topic 'ULTRASOUND ASSISTED SYNTHESIS'

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Journal articles on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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Dwivedi, Bandana. "A Review on Ultrasound Assisted Synthesis of Heterocyclic Compounds." International Journal of Science and Social Science Research 1, no. 4 (2024): 177–82. https://doi.org/10.5281/zenodo.13751449.

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Our goal in this work is to explore how using ultrasound waves can increase the effectiveness and speed of producing heterocyclic chemicals. We illustrate the advantages of ultrasound through a series of studies, highlighting enhanced yields, faster reaction times and higher reaction rates. Compared to conventional techniques, ultrasound assisted synthesis offers better selectively and efficiency.
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Vartolomei, Anamaria, Ioan Calinescu, Mircea Vinatoru, and Adina Ionuta Gavrila. "Intensification of the Enzymatic Esterification Process by Ultrasounds." Revista de Chimie 70, no. 1 (2019): 41–44. http://dx.doi.org/10.37358/rc.19.1.6847.

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Ultrasound application is a method of enhancing the performance of biocatalysts. Enzymes performance is strongly influenced by the nature of the reaction medium. Ultrasounds have the potential to significantly influence the activity of the enzymatic processes, provided that the energy input is not too high to inactivate the enzyme. In the present paper a systematic study on ultrasound-assisted enzymatic esterification for aroma esters preparation is described. Thus, by ultrasound assisted enzymatic esterification i-amyl acetate was obtained. The method is efficient, mild, and environmentally b
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Prajapati, Pintu, Avani Sheth, Dhaval M. Patel, Advaita Patel, and Priti Mehta. "Sonochemistry: Non-Classical Way of Synthesis." Journal of Drug Delivery and Therapeutics 9, no. 6-s (2019): 229–32. http://dx.doi.org/10.22270/jddt.v9i6-s.3691.

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This review presents the detailed picture of current knowledge on ultrasound assisted chemical reactions and its green approach in chemical synthesis. This article illustrates the theoretical background and details about ultrasound, its mechanism (cavitation, the driving force) in chemical synthesis, types of reactions with different systems and its utility. All the reported applications have shown that Sonochemistry, ultrasound assisted chemical reaction is a green and economical viable approach for drug, impurity or chemical intermediate synthesis.
 Keywords: Cavitation, Sonocatalysis,
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Ahmed, Badie, and Jasim Abdullah. "Ultrasound Assisted Synthesis Of Pyrazolone Derivatives." JOURNAL OF EDUCATION AND SCIENCE 26, no. 5 (2013): 57–63. http://dx.doi.org/10.33899/edusj.2013.163055.

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Soderzhinova, M. M., D. V. Tarasova, and F. Kh Chibirova. "Ultrasound-assisted synthesis of titania hydrosols." Russian Journal of Inorganic Chemistry 59, no. 8 (2014): 801–6. http://dx.doi.org/10.1134/s0036023614080191.

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Skrabalak, Sara E. "Ultrasound-assisted synthesis of carbon materials." Physical Chemistry Chemical Physics 11, no. 25 (2009): 4930. http://dx.doi.org/10.1039/b823408f.

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Tomke, Prerana D., Xiaoman Zhao, Pranali P. Chiplunkar, et al. "Lipase-ultrasound assisted synthesis of polyesters." Ultrasonics Sonochemistry 38 (September 2017): 496–502. http://dx.doi.org/10.1016/j.ultsonch.2017.03.051.

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Jarikote, Dilip V., Ciaran O’Reilly, and Paul V. Murphy. "Ultrasound-assisted synthesis of C-glycosides." Tetrahedron Letters 51, no. 51 (2010): 6776–78. http://dx.doi.org/10.1016/j.tetlet.2010.10.113.

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Mohammadi Ziarani, Ghodsi, Zohreh kheilkordi, and Parisa Gholamzadeh. "Ultrasound-assisted synthesis of heterocyclic compounds." Molecular Diversity 24, no. 3 (2019): 771–820. http://dx.doi.org/10.1007/s11030-019-09964-1.

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Stefani, Hélio A., Rodrigo Cella, Felipe A. Dörr, Claudio M. P. de Pereira, Fábio P. Gomes, and Gilson Zeni. "Ultrasound-assisted synthesis of functionalized arylacetylenes." Tetrahedron Letters 46, no. 12 (2005): 2001–3. http://dx.doi.org/10.1016/j.tetlet.2005.01.161.

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Dissertations / Theses on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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BARTZOKA, ELISAVET. "Ultrasound assisted synthesis of polyphenol micro-capsules for controlled active delivery." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2016. http://hdl.handle.net/2108/201819.

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Prabhavathi, Kalluri. "Ultrasound-assisted synthesis of some N-heterocyclic long-chain fatty ester derivatives." Thesis, Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17592185.

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Alessi, Sebastiano <1995&gt. "Ultrasound-assisted synthesis of lignin microcapsules for the controlled release of active compounds." Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/19173.

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Lignin represents a highly valuable, yet very underutilized biobased material. Being the most abundant source of aromatics on the planet, it is produced in high quantities as by-product of pulp and paper industries and biorefineries. Due to the high degree of structural variability, which depends on the different plant origin and harsh conditions experienced during the processing, an exhaustive valorisation of lignin is all but straightforward. Among various possibilities, the synthesis of micro- and nano-structures from untreated technical lignins is one of the best solutions for the developm
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Khan, Muhammad Kamran. "Polyphénols d’agrumes (flavanones) : extraction de glycosides de la peau d’orange, synthèse de métabolites chez l’homme (glucuronides) et étude physico-chimique de leur interaction avec la sérum albumine." Thesis, Avignon, 2010. http://www.theses.fr/2010AVIG0238/document.

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Un groupe d'études épidémiologiques fournit une bonne preuve de la relation inverse associé à la consommation de fruits et légumes et les maladies chroniques important comme maladies cardiovasculaires et certains types de cancers. Après les longues années d'études sur phytomacronutrients, le rôle de phytomicronutrients tels que les polyphénols est désormais très étudiée et appréciée dans le contrôle de ces maladies dégénératives. La présente étude combine les études d'extraction, de synthèse et d'analyse sur les principaux polyphénols des fruits d'agrumes, FLAVANONES. Connaissance de nutrition
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Apshingekar, Prafulla P., Suyog Aher, Adrian L. Kelly, Elaine C. Brown, and Anant R. Paradkar. "Synthesis of caffeine/maleic acid co-crystal by ultrasound assisted slurry co-crystallization." 2016. http://hdl.handle.net/10454/8961.

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Yes<br>A green approach has been used for co-crystallization of non-congruent co-crystal pair of caffeine – maleic acid using water. Ultrasound is known to affect crystallization hence the effect of high power ultrasound on the ternary phase diagram has been investigated in detail using a slurry co-crystallization approach. A systematic investigation was performed to understand how the accelerated conditions during ultrasound assisted co-crystallization will affect different regions of the ternary phase diagram. Application of ultrasound showed considerable effect on the ternary phase diagram;
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Juang, Bi-Hung, and 莊必泓. "Synthesis of Inimides by Ultrasound-Assisted Phase-Transfer Catalysis in Solid-Liquid System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/81431228663368017162.

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碩士<br>國立中興大學<br>化學工程學系所<br>102<br>The thesis is to investgate the kinetics for the synthesis of inimide products by ultrasound-assisted phase transfer catalyst in solid-liquid system. The N-alkylation in the succinimide compounds contains alkaloids which can be applied to several special bioactivities, cosmestic chemicals and medical drug. The study is to use phase transfer catalyst by ultrasound- assisted in solid-liquid system. With the course of the reaction ,the N-alkylation is conducted from solid reactant reacted with benzyl bromide or (2-bromoethyl)benzene in the organic phase with
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Lee1, Hsieh-Feng, and 李協峰. "Synthesis of Butyl Benzoate via Ultrasound-Assisted Phase-Transfer Catalysis in Solid-Liquid System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/50741086116307854733.

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碩士<br>國立中興大學<br>化學工程學系所<br>102<br>The present study was to investigate the synthesis of butyl benzoate via ultrasound-assisted phase-transfer catalysis in solid-liquid system. The following factors were discussed in this study, including agitation speed, amount of organic reactant, different catalysts, the amount of catalyst, different solvents, ultrasonic frequency, ultrasonic power, and effect of ionic liquid. According to the experimental results, it revealed that using aliquat 336 as the phase-transfer catalyst gave the better yield than using PEG 400, TBPB, TBAB and BTBAB. When the amount
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Yang, Yu-Che, and 楊聿喆. "Synthesis of Allyl Phenyl Ether by Ultrasound-Assisted Liquid-Liquid Phase-Transfer Catalysis in Capillary Micro-reactor." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/39885894964936921475.

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碩士<br>國立中興大學<br>化學工程學系所<br>99<br>In this study, allyl phenyl ether was synthesized by ultrasound-assisted liquid-liquid phase-transfer catalysis in capillary micro-reactor. In general, we use micro-reactor can be increased specific surface between organic phase and aqueous phase, and increased reaction rate. In this study, we compared the difference in performance between batch reactor and micro-reactor. The operating parameters including reactor length, types of catalyst, amount of catalyst, types of solvent, reaction temperature, space time, ultrasonic frequency and power, were all performed
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Tu, Chi-Yuan, and 涂綦遠. "Synthesis of n-Octyl Salicylate by Ionic Liquid and Ultrasound-Assisted Phase-Transfer Catalysis in Solid-Liquid System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/39997840510722640230.

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碩士<br>國立中興大學<br>化學工程學系所<br>102<br>In this study, the esterification of sodium salicylate and octyl bromide to synthesize n-octyl salicylate by ultrasound and ionic liquid promoted phase-transfer catalyst in solid-liquid system was investigated. The operating parameters included ultrasound, temperature, types of catalyst, amounts of catalyst and ionic liquid, addition of salt, agitation speed, etc.. The novel dual-site phase transfer catalyst, 1, 4-bis (trihexyl ammoniomethyl) benzene dibromide (BTHAMBB, QBr2) was synthesized from p-xylene dibromide and trihexylamine in acetonitrile at 70˚C. Co
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Yang, Chun-Wei, and 楊峻瑋. "Synthesis of n-Octyl Salicylate by Ultrasound and Ionic Liquid Assisted Phase Transfer Catalyst in Tri-Liquid System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/30770182470672882522.

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碩士<br>國立中興大學<br>化學工程學系所<br>101<br>In this study, the esterification of sodium salicylate and octyl bromide to synthesize n-octyl salicylate by ultrasound and ionic liquid promoted phase-transfer catalyst in tri-liquid system was investigated. The explored operating parameters included ultrasound, temperature, types of catalyst, addition catalyst and ionic liquid, addition of salt, agitation speed, etc..The novel dual-site phase transfer catalyst, 1,4’-bis(trihexyl ammoniomethyl) benzene dibromide (BTHAMBB, QBr2), was synthesized from P-xylene dibromide and trihexylamine in acetonitrile at 70˚C
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Books on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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Dalvi, 1st Navnath Ramkrishna. Ultrasound Assisted Organic Synthesis: A Cleaner, Economic and Environment Friendly Technology. INSC International Publisher (IIP), 2021.

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Book chapters on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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Flores-Rojas, G. G., F. López-Saucedo, L. Buendía-González, R. Vera-Graziano, E. Mendizabal, and E. Bucio. "Ultrasound-assisted Chemical Synthesis." In Sonochemistry. CRC Press, 2024. http://dx.doi.org/10.1201/9781003267713-3.

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Ahluwalia, V. K., and M. Kidwai. "Ultrasound Assisted Green Synthesis." In New Trends in Green Chemistry. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-3175-5_10.

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Cherepanov, Pavel V., and Daria V. Andreeva. "Ultrasound-Assisted Synthesis of Electrocatalysts." In Handbook of Ultrasonics and Sonochemistry. Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-470-2_19-1.

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Malani, Ritesh S., Arun Goyal, and Vijayanand S. Moholkar. "Ultrasound-Assisted Biodiesel Synthesis: A Mechanistic Insight." In Biofuels. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3791-7_7.

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Ostasevicius, Vytautas, Vytautas Jurenas, Mantas Venslauskas, and Laura Kizauskiene. "A Narrative Review of Noninvasive Therapy." In Synthesis Lectures on Biomedical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-79025-6_1.

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Abstract This chapter discusses the current theoretical and practical applications of ultrasound-assisted or vibratory blood flow activation and bioparticle separation technologies. The disadvantages of high megahertz ultrasound, which is widely used in medical practice for diagnostic and sometimes therapeutic purposes, are related to the limited penetration depth of the acoustic signal, the scattered effect on biological tissues and the overheating. Emphasis is placed on the use of ultrasound to activate the delivery of drugs to the target by disrupting the biofilm covering the bacteria and,
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Cherepanov, Pavel V., and Daria V. Andreeva. "Ultrasound-Assisted Synthesis of Electrocatalysts for Hydrogen Production." In Handbook of Ultrasonics and Sonochemistry. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-470-2_19-2.

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Cherepanov, Pavel V., and Daria V. Andreeva. "Ultrasound-Assisted Synthesis of Electrocatalysts for Hydrogen Production." In Handbook of Ultrasonics and Sonochemistry. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-278-4_19.

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Majumdar, Dipanwita. "Ultrasound-Assisted Synthesis, Exfoliation and Functionalisation of Graphene Derivatives." In Carbon Nanostructures. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9057-0_3.

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Babu, Sundaram Ganesh, Bernaurdshaw Neppolian, and Muthupandian Ashokkumar. "Ultrasound-Assisted Synthesis of Nanoparticles for Energy and Environmental Applications." In Handbook of Ultrasonics and Sonochemistry. Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-470-2_16-1.

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Babu, Sundaram Ganesh, Bernaurdshaw Neppolian, and Muthupandian Ashokkumar. "Ultrasound-Assisted Synthesis of Nanoparticles for Energy and Environmental Applications." In Handbook of Ultrasonics and Sonochemistry. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-278-4_16.

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Conference papers on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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Mangalagiu, Violeta, Dorina Amariucai-Mantu, Dumitrela Diaconu, Vasilichia Antoci, and Ionel Mangalagiu. "MICROWAVE AND ULTRASOUND ASSISTED SYNTHESIS AS ECOLOGICALLY FRIENDLY METHODS IN NITROGEN HETEROCYCLIC CHEMISTRY." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s23.04.

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On the last few years, microwave and ultrasound irradiation has become a successful tool in modern medicinal and organic chemistry especially (but not only) because in many cases synthesis became ecologically friendly. As part of our ongoing efforts in the field of nitrogen heterocyclic derivatives, we present herein some core results obtained by our group in the field of N-alkylation and 3+2 cycloadditions reactions applied in the nitrogen heterocycles series, by using microwave and ultrasound irradiation. Comparative with conventional thermal heating, undeniable advantages of using microwave
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Handayani, Sri, Cornelia Budimarwanti, and Winarto Haryadi. "Novel synthesis of substituted benzylidenecyclohexanone by microwave assisted organic synthesis." In PROCEEDINGS FROM THE 14TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. Author(s), 2017. http://dx.doi.org/10.1063/1.4978189.

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Hsiao, Ming-Chien, and Tse-Wei Lin. "Ultrasound assisted rapid synthesis of ionic liquids." In 2011 International Conference on Consumer Electronics, Communications and Networks (CECNet). IEEE, 2011. http://dx.doi.org/10.1109/cecnet.2011.5768813.

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Hobuss, Cristiane B., Bruna S. Pacheco, Alexander O. Souza, et al. "Ultrasound-assisted synthesis of aliphatic acid esters at room temperature." In 14th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0041-1.

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Yadav, H. J. Amith, B. Eraiah, and H. Nagabhushana. "Ultrasound assisted sonochemical synthesis of ZrO2: Eu3+ nanophosphor." In DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5112939.

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Dallagnol, J. C. C., A. G. Gonçalves, S. M. W. Barreira, M. D. Noseda, M. E. R. Duarte, and D. R. B. Ducatti. "Ultrasound-assisted synthesis of glycoporphyrin conjugates bearing carbamate and thiocarbamate linkers." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_201386153357.

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Zuo, Shasha, Ruixue Wang, Jue Zhang, Jing Fang, and Weidong Zhu. "Microplasma assisted synthesis of gold nanoparticles mediated by ultrasound." In 2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) held with 2014 IEEE International Conference on High-Power Particle Beams (BEAMS). IEEE, 2014. http://dx.doi.org/10.1109/plasma.2014.7012152.

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Ghodke, Mangesh, Suvarna Wagh, Anna Pratima Nikalje, and Julio Seijas Vázquez. "Ultrasound assisted synthesis of 2, 4-substituted 1, 5- benzothiazepine derivatives." In The 23rd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2019. http://dx.doi.org/10.3390/ecsoc-23-06704.

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Al-Qirby, Lamya M., and Shahidan Radiman. "Ultrasound-assisted green synthesis of nanocrystalline Co3O4 in the ionic liquid." In THE 2014 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4895167.

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Mardiana, L., B. Ardiansah, A. Septiarti, R. Bakri, and G. Kosamagi. "Ultrasound-assisted synthesis of curcumin analogs promoted by activated chicken eggshells." In INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2016 (ISCPMS 2016): Proceedings of the 2nd International Symposium on Current Progress in Mathematics and Sciences 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4991200.

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Reports on the topic "ULTRASOUND ASSISTED SYNTHESIS"

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Jiang, Rongzhong, and Charles Rong. Ultrasound-assisted Micro-emulsion Synthesis of a Highly Active Nano-particle Catalyst. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada516686.

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