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Dissertations / Theses on the topic 'Castor seeds'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

McGurl, B. "Purification and characterisation of putative protein allergens from the seeds of the castor oil plant Ricinus communis." Thesis, University of Warwick, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378273.

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2

Sphyris, Nathalie. "Studies on agglutinin from Ricinus communis : comparison with ricin." Thesis, University of Warwick, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283511.

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3

Hodgson, Richard John. "Biochemistry of the cytosolic isozymes of fructose-1,6-bisphosphatase and fructose-1,6-bisphosphate aldolase from germinated castor oil seeds." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ27828.pdf.

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4

Kobori, Nilce Naomi. "Tratamento fungicida e qualidade de sementes de mamona." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-02052011-085132/.

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O crescente interesse pelo uso de combustíveis renováveis nos últimos anos fez com que culturas oleaginosas, como a mamona, se tornassem importante objeto de estudo. No entanto, para a instalação de campos desta cultura, é imprescindível sementes de boa qualidade. Como não existem defensivos químicos registrados para a ricinocultura, avaliou-se o efeito de tratamentos fungicidas no tratamento de sementes de mamona (Ricinus communis L.), com produtos fungicidas recomendados para sementes de outras espécies oleaginosas. Três lotes do cv. IAC-2028 (provenientes, respectivamente, dos racemos primá

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5

Vilar, Welma Thaíse Silva. "Classificação individual de sementes de mamona usando espectroscopia de reflectância no visível, imagens digitais e análises multivariadas." Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/8186.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2016-05-10T12:46:44Z No. of bitstreams: 1 arquivo total.pdf: 3109388 bytes, checksum: 647810f9fb25d144a271d5f256240096 (MD5)<br>Made available in DSpace on 2016-05-10T12:46:44Z (GMT). No. of bitstreams: 1 arquivo total.pdf: 3109388 bytes, checksum: 647810f9fb25d144a271d5f256240096 (MD5) Previous issue date: 2014-08-01<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>This work presents two methods based on digital image analysis, diffuse reflectance spectroscopy in the visible espectral range and multi

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6

Barros, Lívia Vieira de. "Substituição do farelo de soja por farelo de mamona tratado com óxido de cálcio ou farelo de algodão 38% em suplementos múltiplos para novilhas de corte sob pastejo." Universidade Federal de Viçosa, 2010. http://locus.ufv.br/handle/123456789/5628.

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Made available in DSpace on 2015-03-26T13:54:53Z (GMT). No. of bitstreams: 1 texto completo.pdf: 273901 bytes, checksum: f700a5c370ca8b780d453b0d01b3f2d8 (MD5) Previous issue date: 2010-02-22<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Effect of different levels castor seed meal (Ricinus communis L.) treated with calcium oxide (CSM) was evaluated in multiple supplements on productive performance of heifers in pasture of "Brachiaria decumbens" during dry/rainy transition season. The experimental period was of 84 days. The experimental area was constituted of five paddo

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7

Cartaxo, Justino Carvalho. "Heat release analysis for second generation biodiesels." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16984.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>Second generation biodiesel fuels extracted from sources such as beef tallow and castor bean oil have gone through an increase in production, as they are being gradually added to soybean biodiesel which constitutes the primary biofuel in the country. These alternative materials have potential do increase the fuelâs oxidation stability and, specifically in the case of beef tallow, reduce the cost of producing biodiesel. However, these sources also contribute to making the properties of the biodiesel/diesel blend more distant from th

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8

Santos, Maria Betania Hermenegildo dos. "Fenotipagem não destrutiva usando espectroscopia no infravermelho próximo e quimiometria em sementes de mamona." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/7164.

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Made available in DSpace on 2015-05-14T13:21:44Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 3588560 bytes, checksum: ae8ec34755a591e1fd6f4acbb60f13ab (MD5) Previous issue date: 2015-02-20<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>In this work we used the near infrared spectroscopy (NIR) and chemometric tools to develop e classification models of two different cultivars of castor bean BRS Nordestina (N) and BRS Paraguaçu (P). It was also studied the feasibility of calibration models for ricin content in seeds prediction of three cultivars of castor bean (B

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9

"Electrical conductivity test to evaluate quality of castor seeds." Tese, BIBLIOTECA CENTRAL DA UFLA, 2007. http://bibtede.ufla.br/tede//tde_busca/arquivo.php?codArquivo=617.

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10

Uhrig, Richard Glen. "Co-immunoprecipitation analysis of the phosphoenolpyruvate carboxylase interactome of developing castor oil seeds." Thesis, 2007. http://hdl.handle.net/1974/969.

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Co-immunoprecipitation (co-IP) followed by proteomic analysis was employed to examine the phosphoenolpyruvate carboxylase (PEPC) interactome of developing castor oil seed (COS) endosperm. Earlier studies suggested that immunologically unrelated 107-kDa plant-type and 118-kDa bacterial-type PEPCs (p107/PTPC and p118/BTPC, respectively) are subunits of an unusual ~910-kDa hetero-octameric Class-2 PEPC complex of developing COS. The current results confirm that a tight physical interaction occurs between p118 and p107 since p118 quantitatively co-IP’d with p107 following elution of COS extracts t

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11

O'LEARY, BRENDAN MICHAEL. "In vivo regulatory phosphorylation of bacterial-type phosphoenolpyruvate carboxylase from developing castor oil seeds." Thesis, 2011. http://hdl.handle.net/1974/6705.

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PEPC [PEP(phosphoenolpyruvate) carboxylase] is an essential and tightly controlled enzyme located at the core of plant C-metabolism. It fulfils a broad spectrum of non-photosynthetic functions, particularly the anaplerotic replenishment of tricarboxylic acid cycle intermediates consumed during biosynthesis and N-assimilation. In plants, a small multigene family encodes several closely related plant-type PEPC (PTPC) isozymes along with a distantly related bacterial-type PEPC (BTPC) isozyme. The PTPCs are well studied ~110-kDa subunits that typically exist as a homotetramer (Class-1 PEPC). By c

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12

DALZIEL, Katie. "IN VIVO PHOSPHORYLATION OF BACTERIAL–TYPE PHOSPHOENOLPYRUVATE CARBOXYLASE FROM DEVELOPING CASTOR OIL SEEDS AT THREONINE-4 AND SERINE-451." Thesis, 2011. http://hdl.handle.net/1974/6662.

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Phosphoenolpyruvate carboxylase (PEPC) is a tightly controlled anaplerotic enzyme situated at a pivotal branchpoint of plant C-metabolism. Plant genomes encode several closely related plant-type PEPC (PTPC) isozymes, and a distantly related bacterial-type PEPC (BTPC). Two physically and kinetically distinct oligomeric classes of PEPC occur in the endosperm of developing castor oil seeds (COS). Class-1 PEPC is a typical homotetramer composed of 107-kDa PTPC subunits, whereas the novel 910-kDa Class-2 PEPC hetero-octameric complex arises from a tight interaction between Class-1 PEPC and 118-kDa

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13

Hill, Allyson. "Serine-451 phosphorylation of bacterial-type phosphoenolpyruvate carboxylase by a calcium-dependent protein kinase links calcium signaling with anaplerotic pathway control in developing castor oil seeds." Thesis, 2013. http://hdl.handle.net/1974/8245.

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Phosphoenolpyruvate (PEP) carboxylase (PEPC) is a tightly controlled enzyme situated at a pivotal branchpoint of plant C-metabolism. Two physically and kinetically distinct oligomeric classes of PEPC exist in the endosperm of developing castor oil seeds (COS). Class-1 PEPC is a typical homotetramer composed of 107-kDa plant-type PEPC (PTPC) subunits, whereas the 910-kDa Class-2 PEPC hetero-octameric complex arises from a tight interaction between Class-1 PEPC and distantly related 118-kDa bacterial-type PEPC (BTPC) subunits. BTPC functions as both a catalytic and regulatory subunit of the all

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14

Vyankatesh, Sakhare Rahul. "Catalytic pyrolysis of castor seed into liquid hydrocarbon transportation fuels." Thesis, 2013. http://ethesis.nitrkl.ac.in/4731/1/109CH0099.pdf.

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Energy is essential for development and the demand for energy is increasing continuously due to the rapid outgrowth of population and urbanization. Biomass is found to be the maost promising source of many renewable enrgy sources. Pyrolysis is one of the most recent renewable energy processes, has been introduced and offers the advantages of a liquid product – bio-oil – that can be readily stored and transported, and used as a fuel, an energy carrier and a source of chemicals. Catalyst can increase the yield and quality of liquid product oil. In this paper, catalytic pyrolysis of castor seed w

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15

Sudhakar, D. S. "Synthesis and upgradation of castor seed bio-oil using catalytic cracking." Thesis, 2014. http://ethesis.nitrkl.ac.in/5828/1/E-39.pdf.

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Global energy crisis and increasing energy demand has focused attention to alternative resources. Biomass resources can be considered as solution for this crisis. The bio-oil obtained from biomass has some major draw backs such as high water content, acidity and lower hating value. Catalytic pyrolysis shows the potential to satisfy the demand for bio-oil with an improved quality. Most of the research work supported by zeolite catalyst for upgrading bio-oil. Although researchers found good quality of oil, still they suffer from catalyst de-activation, coke formation, and generation of higher ga

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16

Ching-HsienLan and 藍璟賢. "A Study on the Burning Behavior of Single droplet of Pyrolysis Oil from Castor Seed." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/90314206744187031896.

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碩士<br>國立成功大學<br>航空太空工程學系<br>102<br>In the study, castor oil is produced by thermal pyrolysis and its pyrolysis reaction and oxidation reactions are investigated using thermal gravimetric analysis. The results showed that the main pyrolysis and oxidation reactions occur in the temperature between 100 and 500 °C. The maximum weight loss occurs between 100 and 320 °C. Its non-volatile components may be ignited at about 500 °C and the residue is only about 0.18% of the original weight of the pyrolytic oil. The results of thermal gravimetric analysis are also used to calculate the ignition temperat

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17

Behera, Debiprasad. "Study on the performance and Emission characteristics using castor and mustard seed oil mixture and diesel blend in C.I Engine." Thesis, 2010. http://ethesis.nitrkl.ac.in/1861/1/10603014.pdf.

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Bio-diesel is one of the most promising alternatives for diesel needs..The present work has focused on the performance of castor non-edible vegetable oil and Mustard oil edible vegetable oil and its blend with diesel on a double cylinder, 4 stroke, naturally aspirated, direct injection, water cooled, eddy current dynamometer Kirloskar Diesel Engine at 1500 rpm for variable loads. Initially, castor eat oil and their blends were chosen. The physical and chemical properties of Castor oil, Mustard oil and its blend were determined. In general, viscosity of neat vegetable oil is high, which can be

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18

Farelo, Carla Mariete Marques Leal. "Renovar as sementes tradicionais através do compromisso e envolvimento dos cidadãos a partir de uma ecologia integral: estudo de caso: Círculos de Sementes." Master's thesis, 2018. http://hdl.handle.net/10071/18769.

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A presente dissertação foi desenvolvida no sentido de compreender como libertar as sementes da privatização através do compromisso e envolvimento dos cidadãos a partir de uma Ecologia Integral. O caso de estudo identificado foi a rede de círculo de sementes, com foco no seu contributo para a redescoberta, recolha, partilha e divulgação das variedades tradicionais e locais de sementes. A recolha de informação foi realizada através da pesquisa bibliográfica, seguidamente a observação participante, complementada com a realização de entrevistas semiestruturadas com exploração do conhecimento acerc

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