Academic literature on the topic 'Hydrolysis conditions'
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Journal articles on the topic "Hydrolysis conditions"
Thanh Ngoc, Nguyen Thi. "OPTIMIZATION FOR BATCH PROTEOLYTIC HYDROLYSIS OF SPENT BREWER’S YEAST BY USING PROTEASES." Vietnam Journal of Science and Technology 54, no. 4A (March 21, 2018): 181. http://dx.doi.org/10.15625/2525-2518/54/4a/11992.
Full textLisak Jakopović, Katarina, Seronei Chelulei Cheison, Ulrich Kulozik, and Rajka Božanić. "Comparison of selective hydrolysis of α-lactalbumin by acid Protease A and Protease M as alternative to pepsin: potential for β-lactoglobulin purification in whey proteins." Journal of Dairy Research 86, no. 1 (February 2019): 114–19. http://dx.doi.org/10.1017/s0022029919000086.
Full textEgyed, J., and R. E. Oakey. "Hydrolysis of deoxycorticosterone-21-yl sulphate and dehydroepiandrosterone sulphate by microsomal preparations of human placentae: evidence for a common enzyme." Journal of Endocrinology 106, no. 3 (September 1985): 295–301. http://dx.doi.org/10.1677/joe.0.1060295.
Full textCAMACHO, FERNANDO, PEDRO GONZÁLEZ-TELLO, MARÍA-PURIFICACIÓN PÁEZ-DUEÑAS, EMILIA-MARÍA GUADIX, and ANTONIO GUADIX. "Correlation of base consumption with the degree of hydrolysis in enzymic protein hydrolysis." Journal of Dairy Research 68, no. 2 (May 2001): 251–65. http://dx.doi.org/10.1017/s0022029901004824.
Full textChatterjee, T., B. K. Chatterjee, and D. K. Bhattacharyya. "Study of lipase-catalyzed hydrolysis of some monoterpene esters." Canadian Journal of Microbiology 47, no. 5 (May 1, 2001): 397–403. http://dx.doi.org/10.1139/w01-026.
Full textJonsson, S., V. A. Vavilin, and B. H. Svensson. "Phthalate hydrolysis under landfill conditions." Water Science and Technology 53, no. 8 (April 1, 2006): 119–27. http://dx.doi.org/10.2166/wst.2006.242.
Full textGoel, Rajeev, Takashi Mino, Hiroyasu Satoh, and Tomonori Matsuo. "Comparison of hydrolytic enzyme systems in pure culture and activated sludge under different electron acceptor conditions." Water Science and Technology 37, no. 4-5 (February 1, 1998): 335–43. http://dx.doi.org/10.2166/wst.1998.0659.
Full textKleekayai, Thanyaporn, Aurélien V. Le Gouic, Barbara Deracinois, Benoit Cudennec, and Richard J. FitzGerald. "In Vitro Characterisation of the Antioxidative Properties of Whey Protein Hydrolysates Generated under pH- and Non pH-Controlled Conditions." Foods 9, no. 5 (May 5, 2020): 582. http://dx.doi.org/10.3390/foods9050582.
Full textThanh Ngoc, Nguyen Thi. "INFLUENCES OF TECHOLOGICAL HYDROLYSIS CONDITION ON NUCLEIC ACID CONTENT OF SPENT BREWER’S YEAST HYDROLYSATE." Vietnam Journal of Science and Technology 55, no. 5A (March 24, 2018): 169. http://dx.doi.org/10.15625/2525-2518/55/5a/12192.
Full textMargolis, Sam A., Lois Jassie, and H. M. Kingston. "The hydrolysis of proteins by microwave energy." Journal of Automatic Chemistry 13, no. 3 (1991): 93–95. http://dx.doi.org/10.1155/s1463924691000172.
Full textDissertations / Theses on the topic "Hydrolysis conditions"
Relvas, Frederico Miguel Horta de Albuquerque Moura. "Kinetic study of biomass hydrolysis under high pressure conditions." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13848.
Full textThis study was focused on the kinetics of lignocellulosic biomass pre-treatment, in particular CO2-assisted autohydrolysis. The temperature was fixed at 180 ºC, varying pressure from 0 (CO2-free autohydrolysis), 20, 35 to 50 bar. For every pressure, a set of isothermal reactions was performed for various reaction times from 0 and 45 minutes. The pre-treatment resulted in a liquid, solid and gas phases, which were analyzed by HPLC. The liquid phase is essentially composed by sugars both in oligomer and monomer forms, mainly from xylan, also containing acetic acid and degradation products such as furfural and formic acid. In turn, there was an improvement of lignin and glucan’s fraction in the solid residue, being more pronounced for longer treatments. Regarding gas phase collected during depressurization, no traces of products from biomass hydrolysis were found. Basing on the literature and experimental results, 4 kinetic models were developed to predict the behavior of the biomass hydrolysis. Models for xylan, arabinoxylan, glucan and another for acetyl groups were presented. According to the results, the use of CO2 is beneficial for the selective fractionation of biomass, including hemicellulose and amorphous cellulose fractions. Beside, CO2 favors the production of xylooligosaccharides (XOS) achieving a maximum concentration of 14.76 g·L-1 at 50 bar assay vs 13.62 g·L-1 in case of autohydrolysis. Furthermore the conversion of oligomers to monomers is directly proportional to pressure and is enhanced by CO2 presence. With respect to the developed kinetic models, all showed good correlation with experimental data, with R2 as high as 0.9986. In the worst case, the R2 was 0.7865 what considering the so complex multistep analysis process can be acknowledge as a good result. Despite kinetic constants showed an increase of hydrolysis rate of xylan and arabinan in the presence of CO2, they decreases for higher pressures used. In turn, the model for acetyl groups also shows very consistent results with the lowest R2 of 0.9491. The removal of acetyl groups seems to be impaired by the carbon dioxide presence. With respect to glucan, the obtained data shows that reactions are close to zero order as they are independent on the products’ concentrations.
O presente trabalho focou-se no estudo cinético do pré-tratamento de biomassa lignocelulósica, em particular no processo de autohidrólise assistido com dióxido de carbono. O estudo foi feito fixando a temperatura em 180 ºC, variando a pressão entre 0 (ausência de CO2), 20, 35 e 50 bar. Para todas as gamas de pressão foram feitos ensaios isotérmicos entre 0 e 45 minutos. Os pré-tratamentos resultaram em 3 fases, líquida, sólida e gasosa, que foram analisadas por HPLC. A fase líquida é consituída essencialmente por açúcares (monómeros e oligómeros) provenientes maioritariamente do xilana, encontrando-se também ácido acético e produtos de degradação, tais como furfural e ácido fórmico. Por sua vez, as fracções de lignina e celulose na fase sólida aumentaram, sendo mais evidente para tratamentos mais longos. Em relação à fase gasosa, não foram encontrados quaisquer produtos de hidrólise da biomassa. Com base na literatura e nos resultados experimentais, foram desenvolvidos 4 modelos cinéticos para prever o comportamento da hidrólise da biomassa, correspondentes à fracção de xilana, arabinoxilana, celulose e grupos acetilo. De acordo com os resultados obtidos, concluiu-se que o uso de CO2 é útil para fraccionamento selectivo da biomassa, nomeadamente da fracção de hemicelulose e de celulose amorfa, apresentando também melhores resultados do que a autohidrólise na produção de xilooligossacarídeos (XOS), com um máximo de concentração de 14.76 g·L-1 para 50 bar vs. 13.62 g·L-1 na autohidrólise. Além disso, a conversão de oligomeros em monómeros é proporcional à pressão e favorecida pela presença de CO2. Quanto aos modelos cinéticos apresentam uma boa correlação com os dados experimentais, com um R2 mais alto de 0.9986. No pior caso, o R2 foi de 0.7865 que, tratando-se de uma reacção complexa, pode ser considerado um boa resultado. Apesar das constantes cinéticas mostrarem um aumento da hidrólise de xilana e arabinana na presença de CO2, estas decrescem em pressões mais elevadas. Por sua vez, os grupos acetilo também mostram resultados bastante consistentes, com o R2 mais baixo de 0.9491. A remoção de ácido acético parece ser prejudicada pela presença de CO2, enquanto os resultados da hidrólise de glucano sugerem uma cinética de ordem zero, uma vez que a concentração dos produtos aparenta ser independente da concentração dos diferentes produtos.
Molwantwa, Jennifer Balatedi. "The hydrolysis of primary sewage sludge under biosulphidogenic conditions." Thesis, Rhodes University, 2003. http://hdl.handle.net/10962/d1004020.
Full textAwasume, Ignatius Ekwe, and Abel Prince Jabakumar Sathiyaraj. "Optimization of Pre-hydrolysis Conditions for the Production of Biogas." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-16495.
Full textAcknowledgements: The authors are heartily thankful to their supervisor Ilona Sárvári Horváth whose guidance and support from the initial to the final level of this thesis work enabled us to gain a deeper understanding of the project.
We equally extend our sincere gratitude to the following persons who never ceased in helping until this work was complete.
Solmaz Aslanzadeh: For sharing her precious time and positive insight in coping with associated challenges of the project.
Hanson Jonas: Your assistance and patience over our laboratory experiments given the limited resources vis-a-vis students demand is quite reminding and saluted.
The support team at Sobacken Biogas plant: Your concern and timely assistance beginning from the supply of the substrate and the opportunity granted us to use your laboratory station greatly ensured results validation.
Program: MSc in Resource Recovery - Sustainable Engineering
Program: MSc in Resource Recovery - Industrial Biotechnology
Ahuja, Nandita. "Impact of operating conditions on thermal hydrolysis pre-treated digestion return liquor." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56647.
Full textMaster of Science
Mirshokraie, S. Ahmad (Seyed Ahmad). "Reactions of a-substituted non-phenolic lignin model compounds under alkaline hydrolysis conditions." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75783.
Full textA series of compounds of the general structure 1-(3$ sp prime$-4$ sp prime$,dimethoxyphenyl)-1-aryl-2-guaiacyloxyethane, where the 1-aryl group bore a hydroxy substituent, also exhibited alkaline hydrolysis, at 150$ sp circ$C, at the $ beta$-carbon. The extent was greater when the 1-aryl group bore an $o$-OH than when it bore a $p$-OH. Thus, the reaction was assisted by the nucleophilic attack of the $o$-phenoxide anion on the $ beta$-carbon.
A relatively high release of guaiacol occurred on treatment of 1-(3$ sp prime$,4$ sp prime$-dimethoxyphenyl)-1-thio-2-guaiacyloxyethane with 2N NaOH at 150$ sp circ$C, and the yield of guaiacol was increased when the terminal sidechain carbon bore a $-$CH$ sb2$OH group. Analogous $ alpha$-thioaryl and $ alpha$-thioalkyl compounds also exhibited greater ether cleavage than their oxy counterparts. The hydrolysis of the $ beta$-guaiacyl group was also enhanced by the presence of $ alpha$-seleno-containing groups.
Henry, Lucile. "Étude et développement d'un procédé propre et innovant de traitement de la surface de fibres céramiques en conditions hydrothermales." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0328.
Full textThis thesis project was carried out in order to develop a hydrothermal processfor the surface treatment of ceramic fibres which are integrated into the fabrication of ceramicmatrix composites (CMCs). A conventional process was developed by Safran Ceramics tomodify the surface chemistry of the Nicalon fibres following 3 steps. The main step consistsin dissolving the oxidised phases at the fibre surface by the use of strong acids. As aconsequence, the chemical homogeneity of the surface is enhanced and a microporouscarbon film is generated helping its compatibilization with the pyrocarbon interphase that isdeposited in between the fibres and the matrix. It was suggested to substitute thisconventional process by a hydrothermal treatment. Indeed, as water displays tunablephysico-chemical properties regarding the temperature and pressure conditions, it waspossible to recover fibres demonstrating reproducible and similar characteristics. Theefficiency and competitivity of the hydrothermal treatment have been assessed throughoptimised surface properties obtained after one single step. Next, the mechanisminvestigation revealed a selective attack of the Si atoms contained in the fibre via hydrolysisreactions. Then, the thermodynamic study pointed out the fact that the process wasdominated by a kinetic regim. Finally, the mechanical caracterisation of the CMCs made ofhydrothermal treated fibres showed results which met all the requirements. These finalobservations allowed us to complete the qualification of the hydrothermal process to treat thesurface of Nicalon fibres
O'Neil, Joseph M. "Factors contributing to the degradation of poly(p-phenylene benzobisoxazole) (PBO) fibers under elevated temperature and humidity conditions." Thesis, Texas A&M University, 2006. http://hdl.handle.net/1969.1/4439.
Full textDong, Shuping. "Effects of acid hydrolysis conditions on cellulose nanocrystal yield and properties: A response surface methodology study." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/78102.
Full textMaster of Science
Oyekola, Oluwaseun Oyekanmi. "The enzymology of sludge solubilisation under biosulphidogenic conditions : isolation, characterisation and partial purification of endoglucanases." Thesis, Rhodes University, 2004. http://hdl.handle.net/10962/d1003980.
Full textChassery, Aurélien. "Étude expérimentale et modélisation phénoménologique de l’hydrolyse de sodium tritié : influence des conditions opératoires sur la distribution du tritium dans les effluents." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/13934/1/chassery.pdf.
Full textBooks on the topic "Hydrolysis conditions"
Canada, Atomic Energy of. Potentiometric and Laser Raman Study of the Hydrolysis of Uranyl Chloride Under Physiological Conditions and the Effect of Systematic and Random Errors on the Hydrolysis Constants. S.l: s.n, 1986.
Find full textBook chapters on the topic "Hydrolysis conditions"
Neureiter, Markus, Herbert Danner, Christiane Thomasser, Bamusi Saidi, and Rudolf Braun. "Dilute-Acid Hydrolysis of Sugarcane Bagasse at Varying Conditions." In Biotechnology for Fuels and Chemicals, 49–58. Totowa, NJ: Humana Press, 2002. http://dx.doi.org/10.1007/978-1-4612-0119-9_4.
Full textWang, Kung-Tsung, and Shyh-Horng Chiou. "Peptide and protein hydrolysis by microwave irradiation: Kinetics and refinement of hydrolysis conditions for peptide-bond cleavage." In Amino Acids, 56–63. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-2262-7_7.
Full textKim, Jun Seok, Y. Y. Lee, and Robert W. Torget. "Cellulose Hydrolysis Under Extremely Low Sulfuric Acid and High-Temperature Conditions." In Twenty-Second Symposium on Biotechnology for Fuels and Chemicals, 331–40. Totowa, NJ: Humana Press, 2001. http://dx.doi.org/10.1007/978-1-4612-0217-2_28.
Full textFerrer, A., F. M. Byers, B. Sulbarán-De-Ferrer, B. E. Dale, and C. Aiello. "Optimizing Ammonia Processing Conditions to Enhance Susceptibility of Legumes to Fiber Hydrolysis." In Biotechnology for Fuels and Chemicals, 123–34. Totowa, NJ: Humana Press, 2002. http://dx.doi.org/10.1007/978-1-4612-0119-9_10.
Full textFerrer, A., F. M. Byers, B. Sulbarán-de-Ferrer, B. E. Dale, and C. Aiello. "Optimizing Ammonia Processing Conditions to Enhance Susceptibility of Legumes to Fiber Hydrolysis." In Biotechnology for Fuels and Chemicals, 135–46. Totowa, NJ: Humana Press, 2002. http://dx.doi.org/10.1007/978-1-4612-0119-9_11.
Full textRavallec-Ple, Rozenn, Laura Gilmartin, Alain Van Wormhoudt, and Yves Le Gak. "Influence of the Experimental Conditions on the Hydrolysis Process in Fish Hydrolysates." In Engineering and Manufacturing for Biotechnology, 51–58. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/0-306-46889-1_4.
Full textDu, Yang, and Junhua Chen. "Application of Handheld-Based Science Inquiry Experiment—Exploration of the Reaction Condition of Ferric Chloride Hydrolytic Action." In Lecture Notes in Electrical Engineering, 301–4. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28744-2_37.
Full text"Hydrolytic Degradation." In Organic Chemistry of Drug Degradation, 16–47. The Royal Society of Chemistry, 2012. http://dx.doi.org/10.1039/bk9781849734219-00016.
Full textCheng, G., Y. Zhao, and C. Luo. "Experimental study on kitchen garbage hydrolysis conditions." In Energy, Environment and Green Building Materials, 199–202. CRC Press, 2015. http://dx.doi.org/10.1201/b18511-42.
Full textTracey, M. R., R. P. Hsung, J. Antoline, K. C. M. Kurtz, L. Shen, B. W. Slafer, and Y. Zhang. "Hydrolysis of Imidazolium Chlorides under Basic Conditions." In Three Carbon-Heteroatom Bonds: Esters and Lactones; Peroxy Acids and R(CO)OX Compounds; R(CO)X, X=S, Se, Te, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-021-00345.
Full textConference papers on the topic "Hydrolysis conditions"
Wang, Hong-yan, Hong-hong Yi, Xiao-long Tang, Li-li Yu, Dan He, and Shun-zheng Zhao. "Effect of Preparation Conditions on Catalytic Hydrolysis of COS." In 2010 International Conference on Management and Service Science (MASS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmss.2010.5577157.
Full textLiu, M., J. Luo, and Y. Zeng. "Materials Corrosion in Hot Dilute Acidic Pre-Hydrolysis Biorefining Conditions." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019mst/2019/mst_2019_764_771.
Full textLiu, M., J. Luo, and Y. Zeng. "Materials Corrosion in Hot Dilute Acidic Pre-Hydrolysis Biorefining Conditions." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019/mst_2019_764_771.
Full textGroom, Taylor B., Michael P. Drolet, Jason Gabl, and Timothee L. Pourpoint. "Organic Acid–Promoted Hydrolysis of Ammonia Borane under Strained Conditions." In 2018 International Energy Conversion Engineering Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-4800.
Full textDauknys, Regimantas, Aušra Mažeikienė, Anna Haluza, Illia Halauniou, and Victor Yushchenko. "Preliminary Investigation of Primary Sludge Hydrolysis." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.076.
Full textFord, Sian, Katja Engel, Jeff Binns, Jennifer McKelvie, Josh Neufeld, and Gregory F. Slater. "Characterisation of the Rate of Phospholipid Hydrolysis Under Abiotic Conditions in Bentonite." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.726.
Full textScott W Pryor and Nurun Nahar. "Impact of Dilute Acid Pretreatment Conditions and Enzyme System on Switchgrass Hydrolysis." In 2009 Reno, Nevada, June 21 - June 24, 2009. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2009. http://dx.doi.org/10.13031/2013.27175.
Full text"Optimization of ultrasound-assisted dilute acid hydrolysis conditions of tea processing waste." In 2016 ASABE International Meeting. American Society of Agricultural and Biological Engineers, 2016. http://dx.doi.org/10.13031/aim.20162456243.
Full textGermec, Mustafa, Kubra Tarhan, Ercan Yatmaz, Nedim Tetik, Mustafa Karhan, Ali Demirci, and Irfan Turhan. "Optimization of ultrasound-assisted dilute acid hydrolysis conditions of tea processing waste." In NABEC Papers. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2017. http://dx.doi.org/10.13031/nabec2017-009.
Full textHochstetter, Gilles, and Patrick Dang. "Correlation Between Hydrolysis and the Ultimate Mechanical Properties of Polyamides in Offshore Conditions." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79976.
Full textReports on the topic "Hydrolysis conditions"
Lers, Amnon, and Pamela J. Green. LX Senescence-Induced Ribonuclease in Tomato: Function and Regulation. United States Department of Agriculture, September 2003. http://dx.doi.org/10.32747/2003.7586455.bard.
Full textLers, Amnon, E. Lomaniec, S. Burd, A. Khalchitski, L. Canetti, and Pamela J. Green. Analysis of Senescence Inducible Ribonuclease in Tomato: Gene Regulation and Function. United States Department of Agriculture, February 2000. http://dx.doi.org/10.32747/2000.7570563.bard.
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