Relevant bibliographies by topics / Silicon alternatives

Academic literature on the topic 'Silicon alternatives'

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Published: 6 September 2023

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Journal articles on the topic "Silicon alternatives"

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Krishna, Mukund. "Silicon Alternatives to the Ubiquitous MLCC." IEEE Power Electronics Magazine 9, no. 3 (September 2022): 72–75. http://dx.doi.org/10.1109/mpel.2022.3194305.

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Bogue, Robert. "Non-silicon MEMS – the hard and soft alternatives." Sensor Review 36, no. 3 (June 20, 2016): 225–30. http://dx.doi.org/10.1108/sr-03-2016-0057.

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Purpose This paper aims to provide details of MEMS (micro-electromechanical system) sensors produced from materials other than silicon. Design/methodology/approach Following a short introduction, this first considers reasons for using alternatives to silicon. It then discusses MEMS sensor products and research involving sapphire, quartz, silicon carbide and aluminium nitride. It then considers polymer and paper MEMS sensor developments and concludes with a brief discussion. Findings MEMS sensors based on the “hard” materials are well-suited to very-high-temperature- and precision-sensing applications. Some have been commercialised and there is a strong, on-going body of research. Polymer MEMS sensors are attracting great interest from the research community and have the potential to yield devices for both physical and molecular sensing that are inexpensive and simple to fabricate. The prospects for paper MEMS remain unclear but the technology may ultimately find uses in ultra-low-cost sensing of low-magnitude mechanical variables. Originality/value This provides a technical insight into the increasingly important role played by MEMS sensors fabricated from materials other than silicon.
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Tucker, Reginald, and Terry Jester. "Extolling the many virtues of solar silicon alternatives." Renewable Energy Focus 15, no. 1 (January 2014): 36–37. http://dx.doi.org/10.1016/s1755-0084(14)70022-5.

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Chen, Lijun, Xin Zhang, Cuifeng Zhang, Zhongbin Bao, and Tingting Xu. "Synthesis and characterisation of fluorine-silicon acrylate latex emulsified by novel green surfactants." Pigment & Resin Technology 47, no. 3 (May 8, 2018): 255–60. http://dx.doi.org/10.1108/prt-03-2017-0025.

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Purpose Motivated by the globally increasing concern over environmental protection, the interest of a large part of the scientific community focuses on the development of green surfactants aiming to replace traditional toxic surfactants-based alternatives. The purpose of this paper is to prepare acrylate copolymer latex modified with fluorine and silicone monomer, which is emulsified with the green surfactants of sodium rosinate and alkyl polyglycoside (APG). Design/methodology/approach A series of acrylic copolymer latexes containing fluorine–silicon have been prepared by semi-continuous seed emulsion polymerisation of mixed monomers of methyl methacrylate (MMA), butyl acrylate (BA), hexafluorobutylmethacrylate (HFMA) and vinyltriethoxysilane (VTES) and emulsified by green mixed surfactants of sodium rosinate and APG. Findings The optimum recipe of preparing the emulsion is as follows: the amount of emulsifiers is 6 per cent and the mass ratio of sodium rosinate to APG is 1:3. The amount of initiator is 0.4 per cent, and the amounts of the silicon monomer and fluorine monomer are 5 and 7 per cent, respectively. In comparison with the acrylate latex prepared without fluorine monomer and silicon monomer, the thermal stability and the water resistance of the film of the resultant latex clearly improved. Practical implications The acrylic copolymer latexes containing fluorine–silicon emulsified with green surfactants can be used in the coatings, adhesives, finishing agents and so on. Originality/value The acrylic copolymer latexes containing fluorine–silicon have been prepared by semi-continuous seed emulsion polymerisation. The green mixed surfactants of sodium rosinate and APG have been used as the emulsifiers to replace traditional toxic surfactants-based alternatives.
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George, A. G., J. P. Krusius, and R. F. Granitz. "Packaging alternatives to large silicon chips: tiled silicon on MCM and PWB substrates." IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part B 19, no. 4 (1996): 699–708. http://dx.doi.org/10.1109/96.544360.

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Rieger, M. M., J. C. Flake, and P. A. Kohl. "Alternatives to Hydrogen Fluoride for Photoelectrochemical Etching of Silicon." Journal of The Electrochemical Society 146, no. 12 (December 1, 1999): 4485–89. http://dx.doi.org/10.1149/1.1392662.

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Yao, Nannan, Jinzhao Huang, Ke Fu, Xiaolong Deng, Meng Ding, and Xijin Xu. "Rare earth ion doped phosphors for dye-sensitized solar cells applications." RSC Advances 6, no. 21 (2016): 17546–59. http://dx.doi.org/10.1039/c5ra27033b.

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Ahmadi, Roya, and Eysa Farajpour. "Effect of Temperature on thermodynamic parameters and chemical properties at adsorption process nitrite on the Graphene Nano surface, density functional theory method." Ciência e Natura 37 (December 21, 2015): 05. http://dx.doi.org/10.5902/2179460x20821.

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The project is comparing four types of calculation derived graphene. That two of these derivatives of graphene carbon nitrite connection created the difference is only in the state of Para and meta carbons connectivity state. But other derivatives first silicon-carbon alternatives in the meta and para position, then nitrite is added to the silicon. To evaluate the effect of silicon element to absorb energy and other thermodynamic parameters in the derivatives compared with them.
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Li, Deyang, Hans Ågren, and Guanying Chen. "Near infrared harvesting dye-sensitized solar cells enabled by rare-earth upconversion materials." Dalton Transactions 47, no. 26 (2018): 8526–37. http://dx.doi.org/10.1039/c7dt04461e.

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Stein, Ryan M., Z. S. Barcikowski, S. J. Pookpanratana, J. M. Pomeroy, and M. D. Stewart. "Alternatives to aluminum gates for silicon quantum devices: Defects and strain." Journal of Applied Physics 130, no. 11 (September 21, 2021): 115102. http://dx.doi.org/10.1063/5.0061369.

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Dissertations / Theses on the topic "Silicon alternatives"

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Rostkowska, Cristina. "Efeito da infusão de Artemisia annua cultivada em solo com aplicação de silicato de cálcio e magnésio sobre o controle de Toxoplasma gondii in vitro." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/16579.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais
Toxoplasmosis is an important zoonotic disease due to ability of its causal agent, Toxoplasma gondii, to infect large number of vertebrates and to be associated with congenital infection or opportunistic disease in immunosuppressed patients. As the traditional treatment has shown adverse effects, low-toxicity compounds including artemisinin and its derivatives have been researched, as well Artemisina annua tea infusion. The use of silicon in the soil of A. annua crops and its role on artemisinin content has not been studied yet. This study aimed to investigate the effects of silicon on A. annua plant physiology and the role of the tea infusion obtained from these plants in the control of T. gondii infection in cell culture. The experimental design was a completely randomized design (CRD), in which A. annua was planted in the soil with five different doses of calcium/magnesium silicate (0, 200, 400, 800 and 1600 kg ha-1) and five replications, and maintained in a greenhouse. Analysis of foliar macronutrients showed a significant increase only for nitrogen, in the presence of the highest dose of silicate in the soil. The foliar micronutrient and Si concentrations as well the plant height were not significantly changed with any silicate doses in the soil. The use of 400 kg ha-1 of silicate induced the highest total glandular trichome area that was also associated with the intact glandular trichomes, as observed by scanning electron microscopy, and with the highest artemisinin content in plant leaves and tea infusion, as determined by thin layer chromatography (TLC) and high performance liquid chromatography (HPLC), respectively. HeLa cell treatments along with or after T. gondii infection, with infusion of A. annua grown in the soil without or with silicate (400 kg ha-1), induced a decrease of parasite proliferation in a dose-dependent manner, as also seen for cell treatment with pure artemisinin. In conclusion, the use of silicon had positive effect on the glandular trichome areas and artemisinin contents, but this outcome was not associated with a better efficacy of A. annua tea infusion on T. gondii replication. These findings suggest that other components rather than artemisinin could be contributing to this effect, such as flavonoids present in its leaves, which may act in synergism with the artemisinin and improve its efficacy.
A toxoplasmose é uma zoonose importante devido à capacidade de seu agente causal, Toxoplasma gondii, de infectar um grande número de vertebrados e ser associada com infecção congênita ou doença oportunista em pacientes imunocomprometidos. O tratamento tradicional mostra efeitos adversos levando à pesquisa de compostos de baixa toxicidade como a artemisinina, seus derivados e a infusão da planta Artemisia annua. A utilização de silício no solo de culturas de A. annua e seu papel no conteúdo de artemisinina ainda não foram estudados. O objetivo deste estudo foi investigar os efeitos do silício sobre a fisiologia da planta A. annua e o papel da infusão destas plantas sobre o controle da infecção de T. gondii em cultura celular. Foi utilizado o delineamento inteiramente ao acaso (DIC), no qual A. annua foi plantada em solo com aplicação de cinco diferentes dosagens de silicato de cálcio/magnésio (0, 200, 400, 800 e 1600 kg ha-1), em cinco repetições e mantida em casa de vegetação. A análise de macronutrientes foliares mostrou um aumento significativo apenas para o nitrogênio, na presença da maior dosagem de silicato no solo. As quantidades de micronutrientes e silício foliares bem como a altura da planta não foram significativamente alteradas em quaisquer dosagens de silicato no solo. A aplicação de 400 kg ha-1 de silicato induziu a maior área de tricomas glandulares totais que foi associada com os tricomas glandulares intactos, como observado por microscopia eletrônica de varredura, e com o mais alto conteúdo de artemisinina nas folhas e na infusão da planta, como determinado por cromatografia em camada fina (TLC) e cromatografia líquida de alta eficiência (HPLC), respectivamente. Os tratamentos de células HeLa, simultaneamente ou após a infecção por T. gondii, com infusão de A. annua cultivada sem ou com silicato (400 kg ha-1) aplicado ao solo, induziram decréscimo dependente da dose na proliferação parasitária, como também verificado para o tratamento das células com artemisinina pura. Em conclusão, o uso de silício teve efeito positivo sobre as áreas de tricomas glandulares e seu conteúdo de artemisinina, mas este resultado não foi associado com melhor eficácia da infusão de A. annua sobre a replicação intracelular de T. gondii. Estes resultados sugerem que outros componentes além da artemisinina poderiam contribuir para este efeito, como os flavonóides presentes nas folhas de A. annua que podem atuar em sinergismo com a artemisinina e melhorar a sua eficácia.
Doutor em Imunologia e Parasitologia Aplicadas
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Åkerblom, Denize, and Erik Göranzon. "Greener Water Repellency? Feasible alternatives to fluoro chemicals for DWOR treatments on textiles." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17695.

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BACKGROUND: Perfluorinated compounds (PFCs) have been used as durable water and oil repellent treatments in clothing for more than 50 years. The reason for its popularity is related to the chemical structure, which also makes these compounds persistent in the environment. Numerous studies have shown negative environmental and health effects related to high concentrations of perfluorinated compounds in blood serum. Due to these studies, this paper aimed to find out if perfluorinated compounds could be replaced by non-perfluorinated without compromising performance related to water and oil repellency. METHODOLOGY: A reference sample impregnated with fluorocarbons was compared with the following non-perfluorinated treatments, aliphatic polyurethane (comb polymer) organic silicone and acid (comb polymer) and hydrocarbon (dendrimer). Impregnations were subjected to abrasion, UV-radiation and washing and after each destructive treatment; oil and water repellency tests were conducted. The environmental and health effect of all treatments were examined in a theoretical study. RESULTS: Due to difficulties with the impregnation process, comparable results could only be concluded with the perfluorinated and the hydrocarbon compound. The hydrocarbon was superior the perfluorinated compound to abrasion but for usage simulation methods that allowed chemical reactions, hence UV-radiation and washing, the fluorocarbons showed better resistance. CONCLUSION: Results show that the hydrocarbon treatment could replace perfluorinated treatments commercially when only water and not oil repellency is required. The alternative treatments in this study are not yet sufficiently examined with respect to environmental and health and can therefore not be called greener with certainty.
Program: Textilingenjörsutbildningen
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Daubriac, Richard. "Caractérisation de techniques d'implantations ioniques alternatives pour l'optimisation du module source-drain de la technologie FDSOI 28nm." Thesis, Toulouse, INSA, 2018. http://www.theses.fr/2018ISAT0031/document.

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Durant ces dernières années, l’apparition de nouvelles architectures (FDSOI, FinFETs ou NW-FETs) et l’utilisation de nouveaux matériaux (notamment SiGe) ont permis de repousser les limites des performances des dispositifs MOS et de contourner l’effet canal court inhérent à la miniaturisation des composants. Cependant, pour toutes ces nouvelles architectures, la résistance de contact se dégrade au fil des nœuds technologiques. Celle-ci dépend fortement de deux paramètres physiques : la concentration de dopants actifs proches de la surface du semi-conducteur et de la hauteur de barrière Schottky du contact siliciuré. De multiples procédés avancés ont été proposé pour améliorer ces deux paramètres physiques (pré-amorphisation, recuit laser, ségrégation de dopants, etc…). Afin d’optimiser les conditions expérimentales de ces nouvelles techniques de fabrication, il est primordial de pouvoir caractériser avec fiabilité leur impact sur les deux grandeurs physiques citées. Dans le cadre de cette thèse, deux thématiques dédiées à l’étude de chacun des paramètres sont abordées, explicitant les méthodes de caractérisation développées ainsi que des exemples concrets d’applications. La première partie concerne l’étude de la concentration de dopants actifs proches de la surface du semi-conducteur. Dans cet axe, nous avons mis en place une méthode d’Effet Hall Différentiel (DHE). Cette technique combine gravures successives et mesures par effet Hall conventionnel afin d’obtenir le profil de concentration de dopants actifs en fonction de la profondeur. Nous avons développé et validé une méthode de gravure chimique et de mesure électrique pour des couches ultra-minces de SiGe et de Si dopées. Les profils de concentration générés ont une résolution en profondeur inférieure à 1 nm et ont permis d’étudier de façon approfondie dans les premiers nanomètres proches de la surface de couches fabriquées grâce à des techniques d’implantation et de recuit avancées comme par exemple, la croissance en phase solide activée par recuit laser. La deuxième partie porte sur la mesure de hauteurs de barrière Schottky pour des contacts siliciurés. Durant cette étude, nous avons transféré une technique se basant sur des diodes en tête bêche pour caractériser l’impact de la ségrégation de différentes espèces à l’interface siliciure/semi-conducteur sur la hauteur de barrière Schottky d’un contact en siliciure de platine. Cette méthode de mesure associée à des simulations physiques a permis d’une part, d’extrairer avec fiabilité des hauteurs de barrières avec une précision de 10meV et d’autre part, d’effectuer une sélection des meilleures conditions de ségrégation de dopants pour la réduction de la hauteur de barrière Schottky. Pour conclure, ce projet a rendu possible le développement de méthodes de caractérisation pour l’étude de matériaux utilisés en nanoélectronique. De plus, nous avons pu apporter des éclaircissements concernant l’impact de techniques d’implantation ionique alternatives sur des couches de Si et SiGe ultrafines, et ce, dans le but de réduire la résistance de contact entre siliciure et semi-conducteur dans le module source-drain de transistors ultimes
During the past few decades, the emergence of new architectures (FDSOI, FinFETs or NW-FETs) and the use of new materials (like silicon/germanium alloys) allowed to go further in MOS devices scaling by solving short channel effect issues. However, new architectures suffer from contact resistance degradation with size reduction. This resistance strongly depends on two parameters: the active dopant concentration close to the semi-conductor surface and the Schottky barrier height of the silicide contact. Many solutions have been proposed to improve both of these physical parameters: pre-amorphisation, laser annealing, dopant segregation and others. In order to optimize the experimental conditions of these fabrication techniques, it is mandatory to measure precisely and reliably their impact on cited parameters.Within the scope of this thesis, two parts are dedicated to each lever of the contact resistance, each time precising the developed characterization method and concrete application studies. The first part concerns the study of the active dopant concentration close to the semi-conductor surface. In this axis, we developed a Differential Hall Effet method (DHE) which can provide accurate depth profiles of active dopant concentration combining successive etching processes and conventional Hall Effect measurements. To do so, we validated layer chemical etching and precise electrical characterization method for doped Si and SiGe. Obtained generated profiles have a sub-1nm resolution and allowed to scan the first few nanometers of layers fabricated by advanced ion implantation and annealing techniques, like solid-phase epitaxy regrowth activated by laser annealing. In the second part, we focused on the measurement of Schottky barrier height of platinum silicide contact. We transferred a characterization method based on back-to-back diodes structure to measure platinum silicide contacts with different dopant segregation conditions. The electrical measurements were then fitted with physical models to extract Schottky barrier height with a precision of about 10meV. This combination between measurements and simulations allowed to point out the best ion implantation and annealing conditions for Schottky barrier height reduction.To conclude, thanks to this project, we developed highly sensitive characterization methods for nanoelectronics application. Moreover, we brought several clarifications on the impact of alternative ion implantation and annealing processes on Si and SiGe ultra-thin layers in the perspective of contact resistance reduction in FDSOI source-drain module
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Karecki, Simon Martin. "Alternative chemistries for etching of silicon dioxide and silicon nitride." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/43304.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
Includes bibliographical references (p. 123-126).
by Simon Martin Karecki.
M.S.
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Madhavan, Atul. "Alternative designs for nanocrystalline silicon solar cells." [Ames, Iowa : Iowa State University], 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3403005.

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Orellana, Pérez Teresa. "Mechanical behavior of alternative multicrystalline silicon for solar cells." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2013. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-117455.

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The usage of more inexpensive silicon feedstock for the crystallization of multicrystalline silicon blocks promises cost reduction for the photovoltaic industry. Less expensive substrates made out of metallurgical silicon (MG-Si) are used as a mechanical support for the epitaxial solar cell. Moreover, conventional inert solar cells can be produced from up-graded metallurgical silicon (UMG-Si). This feedstock has higher content of impurities which influences cell performance and mechanical strength of the wafers. Thus, it is of importance to know these effects in order to know which impurities should be preferentially removed or prevented during the crystallization process. Solar cell processing steps can also exert a change in the values of mechanical strength of processed multicrystalline silicon wafers until the fabrication of a solar cell. Bending tests, fracture toughness and dynamic elastic modulus measurements are performed in this work in order to research the mechanical behavior of multicrystalline silicon crystallized with different qualities of silicon feedstock. Bending tests and residual stress measurements allows the quantification of the mechanical strength of the wafers after every solar cell processing step. The experimental results are compared with theoretical models found in the classical literature about the mechanical properties of ceramics. The influence of second phase particles and thermal processes on the mechanical strength of silicon wafers can be predicted and analyzed with the theoretical models. Metals like Al and Cu can decrease the mechanical strength due to micro-cracking of the silicon matrix and introduction of high values of thermal residual stress. Additionally, amorphous silicon oxide particles (SiOx) lower the mechanical strength of multicrystalline silicon due to thermal residual stresses and elastic mismatch with silicon. Silicon nitride particles (Si3N4) reduce fracture toughness and cause failure by radial cracking in its surroundings due to its thermal mismatch with silicon. Finally, silicon carbide (SiC) and crystalline silicon oxide (SiOx) introduce thermal residual stresses but can have a toughening effect on the silicon matrix and hence, increase the mechanical strength of silicon wafers if the particles are smaller than a certain size. The surface of as-cut wafers after multi-wire sawing presents sharp micro-cracks that control their mechanical behavior. Subsequent removal of these micro-cracks by texture or damage etching approximately doubles the mechanical strength of silicon wafers. The mechanical behavior of the wafers is then governed by defects like cracks and particles formed during the crystallization of multicrystalline silicon blocks. Further thermal processing steps have a minor impact on the mechanical strength of the wafers compared to as-cut wafers. Finally, the mechanical strength of final solar cells is comparable to the mechanical strength of as-cut wafers due to the high residual thermal stress introduced after the formation of the metallic contacts which makes silicon prone to crack.
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Nortey, Philip Tetteybuah. "Alternative methods for the formation of chemically bonded phases for liquid chromatography." Thesis, Birkbeck (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340537.

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Silva, Raphael Tavares da. "Desenvolvimento de uma abordagem computacional para a tradução in silico de variantes de splicing detectadas no transcriptoma humano." reponame:Repositório Institucional da FIOCRUZ, 2012. https://www.arca.fiocruz.br/handle/icict/6406.

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Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Um dos mecanismos capaz de aumentar a diversidade do proteoma de eucariotos é o splicing alternativo nos pré-mRNAs. Este mecanismo celular ocorre durante a transcrição dos genes, sendo ocasionado por um ou mais dos seguintes eventos: retenção de íntrons, uso alternativo de sítio de splice 5', uso alternativo de sítio de splice 3' e uso alternativo de éxons. Análises recentes de Bioinformática utilizando experimentos de RNA-Seq mostram que aproximadamente 90% dos genes humanos produzem mais de um transcrito decorrente de eventos de splicing alternativo. O impacto do splicing alternativo no proteoma humano vem sendo alvo de algumas abordagens de Bioinformática, sendo esperado que uma grande porção de tais transcritos alternativos possa alterar o conteúdo da cadeia polipeptídica obtida após a sua tradução. Devido à sua importância, diversos trabalhos já foram desenvolvidos com o objetivo de facilitar a identificação de eventos de splicing alternativo a partir de dados provenientes de cDNA, bem como sua associação com a estrutura das proteínas de suas isoformas. Entretanto, são poucas as abordagens que realizaram a tradução in silico do transcriptoma humano na busca por variantes de splicing e a utilização de dados oriundos de sequenciadores de segunda geração (NGS) ainda é muito pouco explorada para tratar do tema. Desta maneira, o presente projeto tem como objetivo a aplicação de uma nova abordagem para a identificação e tradução de variantes de splicing alternativo usando dados de NGS. Foram utilizadas leituras da plataforma de sequenciamento Roche/454 oriundas de estudos de câncer para um enriquecimento de nosso banco de dados original que continha previamente mRNAs completos e ESTs. Após o enriquecimento, a metodologia empregada pelo nosso grupo conseguiu detectar 4.574 variantes de splicing inéditas em nosso banco. O novo banco gerado foi traduzido levando a criação de um repertório proteico contendo 159.638 sequências polipeptídicas não redundantes. Na busca por variantes inéditas utilizando dados de proteômica, foram identificadas três possíveis nos genes humanos tubulina 2b, tubulina 4b e actina. Dados de sequenciamento da plataforma Illumina também foram utilizados para uma avaliação da sua contribuição em número de variantes e sequências polipeptídicas traduzidas em nosso repertório. Encontramos que a nossa abordagem foi capaz de anotar 53% mais sequências polipeptídicas quando comparada ao repertório de ENSEMBL Gene. Desta forma, acreditamos que o presente projeto pode auxiliar no melhoramento da anotação de peptídeos encontrados por técnicas de proteômica, bem como no descobrimento de novos marcadores moleculares.
Alternative splicing of pre-mRNAs is one of the mechanisms capable to increase the proteome diversity in eukaryotes. This cellular mechanism occurs during the transcription of genes and is associated with one or more of the following events: intron retention, 5’ alternative splice, 3’ alternative splice and exon skipping. Recent Bioinformatics analysis using RNA-Seq experiments showed that approximately 90% of human genes produce more than one transcript due to alternative splicing events. The impact of alternative splicing in the human proteome has been the focus of some Bioinformatics approaches and is expected that the majority part of these alternative transcripts can alter the polypeptide chain produced after its translation. Due to its importance, many studies have been developed focused on facilitating the identification of alternative splicing events based on cDNA data, as well as to study the protein structure of its isoforms. However, few studies performed the in silico translation of the human transcriptome to search for new splicing isoforms using Next Generation Sequencing (NGS) data. In this way, our project aims to the development of a new approach to identify and translate alternative splicing isoforms using NGS data. Roche/454 reads of cancer studies were used to enrich our initial database, which was previously populated with full-length mRNAs and ESTs data. After the enrichment step, the methodology developed by our group could detect 4,574 new splicing variants in our database. The enriched database was translated, producing a protein repository with 159,638 non-redundant polypeptide sequences. Searching for new isoforms using experimental proteomic data, three possible new isoforms were identified for the human genes tubulin 2b, tubulin 4b and actin. Illumina sequencing data was used to assess its contribution for the number of new isoforms and the translated polypeptide sequences on our database. We realized that our approach was capable to annotate 53% more polypeptide sequences when compared with the ENSEMBL Gene repository. In this way, we believe that our project can support the improvement of peptide annotation found by proteomic techniques, as well as to discover new molecular markers.
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Moreira, Ricco Isabel Maria. "Alternative oxidants and processing procedures for pyrotechnic time delays." Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-09132005-115831.

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Li, Sonia Mary Seiwei. "Alternative approaches to silicon germanium modulation doped field effect transistor processing." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408012.

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Books on the topic "Silicon alternatives"

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Marc, Favreau. Surging markets for silicon alternative materials : materials and devices. Norwalk, CT: Business Communications Co., 1996.

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Omar, M. A. N. Alternative binders for silicon nitride based on alumina-baria alloys. Manchester: UMIST, 1996.

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Marc, Favreau. Surging markets for silicon alternative materials: III-V, materials and devices. Norwalk, CT: Business Communications Co., 1997.

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Royal Society of Chemistry (Great Britain), ed. In silico toxicology: Principles and applications. Cambridge, UK: RSC Pub., 2010.

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Marc, Favreau. Surging markets for silicon alternative materials: IV-IV,sapphire, and SOI materials and devices. Norwalk, CT: Business Communications Co., 1997.

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Wasielewski, Amanda. From City Space to Cyberspace. NL Amsterdam: Amsterdam University Press, 2021. http://dx.doi.org/10.5117/9789463725453.

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The narrative of the birth of internet culture often focuses on the achievements of American entrepreneurs in Silicon Valley, but there is an alternative history of internet pioneers in Europe who developed their own model of network culture in the early 1990s. Drawing from their experiences in the leftist and anarchist movements of the ’80s, they built DIY networks that give us a glimpse into what internet culture could have been if it were in the hands of squatters, hackers, punks, artists, and activists. In the Dutch scene, the early internet was intimately tied to the aesthetics and politics of squatting. Untethered from profit motives, these artists and activists aimed to create a decentralized tool that would democratize culture and promote open and free exchange of information.
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Institute of Medicine (U.S.). Panel on Micronutrients. and Institute of Medicine (U.S.). Food and Nutrition Board., eds. DRI, dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C: National Academy Press, 2001.

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Institute of Medicine (U.S.). Panel on Micronutrients., ed. DRI: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc : a report of the Panel on Micronutrients ... and the Standing Committee on the Scientific Evaluation of Dietary Reference Intakes, Food and Nutrition Board, Institute of Medicine. Washington, D.C: National Academy Press, 2002.

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Deleonibus, Simon. Integrated Nanodevice and Nanosystem Fabrication: Breakthroughs and Alternatives. Jenny Stanford Publishing, 2017.

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Deleonibus, Simon. Integrated Nanodevice and Nanosystem Fabrication: Breakthroughs and Alternatives. Jenny Stanford Publishing, 2017.

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Book chapters on the topic "Silicon alternatives"

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Johnson, R. Wayne. "Silicon-Based Multichip Modules." In Multichip Module Technologies and Alternatives: The Basics, 737–68. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3100-5_16.

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Rosli, Nur Afikah Khairi, Mohd Azrul Hisham Mohd Adib, Mok Chik Ming, Nurul Natasha Mohd Sukri, Idris Mat Sahat, and Nur Hazreen Mohd Hasni. "Experimental Study Between TPU Flex and Silicon Materials Mechanical Properties as an Alternatives in Development of the CardioVASS Heart Model." In 6th Kuala Lumpur International Conference on Biomedical Engineering 2021, 577–91. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90724-2_62.

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Pensl, Gerhard, Svetlana Beljakowa, Thomas Frank, Kunyuan Gao, Florian Speck, Thomas Seyller, Lothar Ley, et al. "Alternative Techniques to Reduce Interface Traps in n-Type 4H-SiC MOS Capacitors." In Silicon Carbide, 193–214. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527629077.ch8.

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Houssa, M., E. Scalise, V. V. Afanas’ev, and A. Stesmans. "Synthesis of Silicene on Alternative Substrates." In Silicene, 197–209. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99964-7_10.

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Budini, Nicolás, Roberto D. Arce, Román H. Buitrago, and Javier A. Schmidt. "Polycrystalline Silicon for Thin Film Solar Cells." In Alternative Energy and Shale Gas Encyclopedia, 226–32. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119066354.ch21.

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Roy, Rabindra, Kaushik Roy, and Abhijit Chatterjee. "Stress Testing: A Low Cost Alternative for Burn-in." In VLSI: Integrated Systems on Silicon, 526–39. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-0-387-35311-1_43.

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Baykurt, Burcu. "From circulating liberalism to tech nationalism: U.S. soft power and Silicon Valley." In Alternative Paths to Influence, 74–86. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003381037-5.

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Moity, Laurianne, Morgan Durand, Adrien Benazzouz, Valérie Molinier, and Jean-Marie Aubry. "In Silico Search for Alternative Green Solvents." In Alternative Solvents for Natural Products Extraction, 1–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43628-8_1.

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Ciobanu, Florin, Thomas Frank, Gerhard Pensl, Valery Afanas´ev, Sheron Shamuilia, Adolf Schöner, and Tsunenobu Kimoto. "Nitrogen Implantation - An Alternative Technique to Reduce Traps at SiC/SiO2-Interfaces." In Silicon Carbide and Related Materials 2005, 991–94. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-425-1.991.

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Prado, Pedro F. A., Jorge A. S. Tenório, and Denise C. R. Espinosa. "Alternative Method for Materials Separation from Crystalline Silicon Photovoltaic Modules." In The Minerals, Metals & Materials Series, 277–82. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52192-3_27.

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Conference papers on the topic "Silicon alternatives"

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Totman, Peter, Doug Frost, Andrew Prince, and Paul Himelbaugh. "Alternatives to silicon rubber thermal barrier in RSRM nozzle joints." In 35th Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-2796.

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Howard, Helen, Alan Conneely, Gerard M. O’Connor, Thomas J. Glynn, and Rory Jordan. "Benefits of non-polar assist liquids as alternatives to water assist in the laser machining of silicon." In ICALEO® 2007: 26th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2007. http://dx.doi.org/10.2351/1.5061152.

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Ashraf, N. S., H. C. Carter, K. Casey, L. C. Chow, S. Corban, M. K. Drost, A. J. Gumm, et al. "Design and Analysis of a Meso-Scale Refrigerator." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-1068.

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Abstract The preliminary design and analysis of a meso-scale refrigerator is presented here. The device is to be designed out of layers of silicon wafers bonded together and is to be fabricated through the techniques of microelectronics. The intended application of the device is an integrated heat removal system for electronics or photonic chips or modules. The paper presents a functional decomposition of the entire system, thermodynamic feasibility analysis, alternative configurations for two of the functions: actuation and compression, and parametric analysis for two alternative candidates for compressor actuation. A set of reasonable design requirements is first formulated. Overall function of the devices is decomposed into nine major sub-functions. Comparison of different alternatives for compression and actuation suggests that electrostatic actuation integrated with centrifugal compression is a viable option. Two different ways to implement electrostatic actuation are considered in details: variable capacitance motor and electrostatic induction motor. A set of design relations and criteria needed to obtain the optimal design of each motor is presented along with a discussion on relative effects of the main design parameters.
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Sherman, A., W. Garrett, and M. Conklin. "Novel Nickel-Cermet Hardcoatings." In ITSC2006, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, R. S. Lima, and J. Voyer. ASM International, 2006. http://dx.doi.org/10.31399/asm.cp.itsc2006p1357.

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Abstract Current thermal spray chrome replacement and hardfacing materials primarily use WC or Cr3C2 as hardphase materials and contain chrome. A series of cermet alternatives based on lower weight and cost ceramic particles including alumina, silicon carbide, boron carbide and titanium nitride were applied via HVOF and tested for wear and frictional properties under various loading conditions. Furthermore, based upon highly promising initial results, thermal spray particle designs were modified for lower cost and improved performance.
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Bogatyreva, M. V., V. A. Kudashkin, and V. I. Metelitsa. "Project funding as an alternative way to attract investment in the construction industry." In SiliconPV 2021, The 11th International Conference on Crystalline Silicon Photovoltaics. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0091712.

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McNab, Shona, Mingzhe Yu, Isabel Al-Dhahir, Edris Khorani, Tasmiat Rahman, Stuart A. Boden, Pietro P. Altermatt, Peter R. Wilshaw, and Ruy S. Bonilla. "Alternative dielectrics for hole selective passivating contacts and the influence of nanolayer built-in charge." In SiliconPV 2021, The 11th International Conference on Crystalline Silicon Photovoltaics. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0089282.

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Sherwin, Peter. "A Comparison of Modern Heating Methods to Reduce a Heat Treaters CO2 Carbon Footprint." In HT2021. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.ht2021exabp0014.

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Abstract Several governments across the world have recently stepped up their action to fight climate change. Initiatives include from clean energy production to efficient buildings and reduced emissions from industry. The manufacturing industry will need to examine methods to reduce its carbon footprint, especially across energy-intensive sectors such as heat treatment. This paper explains and explores the latest developments in energy management in heat treatment with a specific focus on electrical heating and associated digital tools. In this paper, developments in IGBT (insulated-gate bipolar transistor) and SCR (silicon-controlled rectifier) technology will be compared as energy-efficient alternatives to variable reactance transformers (VRT’s) for electric vacuum furnaces.
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Schube, Jörg, Tobias Fellmeth, Florian Maier, Roman Keding, Florian Clement, and Stefan W. Glunz. "Applicability of photonic sintering and autoclaving as alternative contact formation methods for silicon solar cells with passivating contacts." In SILICONPV 2018, THE 8TH INTERNATIONAL CONFERENCE ON CRYSTALLINE SILICON PHOTOVOLTAICS. Author(s), 2018. http://dx.doi.org/10.1063/1.5049282.

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Heyns, Marc, Christoph Adelmann, Guy Brammertz, David Brunco, Matty Caymax, Brice De Jaeger, Annelies Delabie, et al. "Alternative channel materials for MOS devices." In 2008 IEEE Silicon Nanoelectronics Workshop (SNW). IEEE, 2008. http://dx.doi.org/10.1109/snw.2008.5418438.

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Grondahl, Clayton M., and Toshiaki Tsuchiya. "Performance Benefit Assessment of Ceramic Components in an MS9001FA Gas Turbine." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-186.

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The introduction of a ceramic gas turbine component in commercial power generation service will require significant effort. A careful assessment of the power plant performance benefit achievable from the use of ceramic components is necessary to rationalize the priority of this development compared to other alternatives. This paper overviews a study in which the performance benefit from ceramic components was evaluated for an MS9001FA gas turbine in a combined cycle power plant configuration. The study was performed with guidelines of maintaining constant compressor inlet airflow and turbine exit NOx emissions, effectively setting the combustion reaction zone temperature. Cooling flow estimates were calculated to maintain standard design life expectancy of all components. Monolithic silicon nitride ceramic was considered for application to the transition piece, stage one and two buckets, nozzles and shrouds. Performance benefit was calculated both for ceramic properties at 1093C (2200F) and for the more optimistic 1315C (2400F) oxidatian limit of the ceramic. Hybrid ceramic-metal components were evaluated in the less optimistic case.
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Reports on the topic "Silicon alternatives"

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Holowczak, J. Alternative Liquid Fuel Effects on Cooled Silicon Nitride Marine Gas Turbine Airfoils. Office of Scientific and Technical Information (OSTI), March 2002. http://dx.doi.org/10.2172/836627.

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Doyle, Jesse D., Nolan R. Hoffman, and M. Kelvin Taylor. Aircraft Arrestor System Panel Joint Improvement. U.S. Army Engineer Research and Development Center, August 2021. http://dx.doi.org/10.21079/11681/41342.

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Aircraft Arresting Systems (AAS) for military applications utilize sacrificial panels made of Ultra-High Molecular Weight polyethylene (UHMWPE) that are embedded into the pavement beneath the AAS cable to protect the pavement from cable damage. Problems have been observed with the materials and practices used to seal the UHMWPE panel joints from water and debris. Data obtained from laboratory and field studies were used make improvements to current practice for sealing UHMWPE panel joints. The study evaluated four joint-sealant materials, eight alternative surface treatment and preparation techniques to promote adhesion to UHMWPE, and seven joint-edge geometries. Bond-strength testing of joint-sealant specimens was conducted in the laboratory, followed by field evaluation of construction techniques. Field performance of the joint systems was monitored for 24 months after installation. Additionally, a thermal response model was developed to refine the joint design dimensions. Results confirmed that the best material to use was self-leveling silicone joint sealant. It was recommended that a dovetail groove be cut into the edge of UHMW panels to provide positive mechanical interlock and to reduce adhesive failures of the sealant. It was also recommended that the panel-to-panel joint-sealant reservoir be widened to prevent sealant compression damage.
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Rafaeli, Ada, Russell Jurenka, and Chris Sander. Molecular characterisation of PBAN-receptors: a basis for the development and screening of antagonists against Pheromone biosynthesis in moth pest species. United States Department of Agriculture, January 2008. http://dx.doi.org/10.32747/2008.7695862.bard.

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The original objectives of the approved proposal included: (a) The determination of species- and tissue-specificity of the PBAN-R; (b) the elucidation of the role of juvenile hormone in gene regulation of the PBAN-R; (c) the identificationof the ligand binding domains in the PBAN-R and (d) the development of efficient screening assays in order to screen potential antagonists that will block the PBAN-R. Background to the topic: Moths constitute one of the major groups of pest insects in agriculture and their reproductive behavior is dependent on chemical communication. Sex-pheromone blends are utilised by a variety of moth species to attract conspecific mates. In most of the moth species sex-pheromone biosynthesis is under circadian control by the neurohormone, PBAN (pheromone-biosynthesis-activating neuropeptide). In order to devise ideal strategies for mating disruption/prevention, we proposed to study the interactions between PBAN and its membrane-bound receptor in order to devise potential antagonists. Major conclusions: Within the framework of the planned objectives we have confirmed the similarities between the two Helicoverpa species: armigera and zea. Receptor sequences of the two Helicoverpa spp. are 98% identical with most changes taking place in the C-terminal. Our findings indicate that PBAN or PBAN-like receptors are also present in the neural tissues and may represent a neurotransmitter-like function for PBAN-like peptides. Surprisingly the gene encoding the PBAN-receptor was also present in the male homologous tissue, but it is absent at the protein level. The presence of the receptor (at the gene- and protein-levels), and the subsequent pheromonotropic activity are age-dependent and up-regulated by Juvenile Hormone in pharate females but down-regulated by Juvenile Hormone in adult females. Lower levels of pheromonotropic activity were observed when challenged with pyrokinin-like peptides than with HezPBAN as ligand. A model of the 3D structure of the receptor was created using the X-ray structure of rhodopsin as a template after sequence alignment of the HezPBAN-R with several other GPCRs and computer simulated docking with the model predicted putative binding sites. Using in silico mutagenesis the predicted docking model was validated with experimental data obtained from expressed chimera receptors in Sf9 cells created by exchanging between the three extracellular loops of the HezPBAN-R and the Drosophila Pyrokinin-R (CG9918). The chimera receptors also indicated that the 3ʳᵈ extracellular loop is important for recognition of PBAN or Diapause hormone ligands. Implications: The project has successfully completed all the objectives and we are now in a position to be able to design and screen potential antagonists for pheromone production. The successful docking simulation-experiments encourage the use of in silico experiments for initial (high-throughput) screening of potential antagonists. However, the differential responses between the expressed receptor (Sf9 cells) and the endogenous receptor (pheromone glands) emphasize the importance of assaying lead compounds using several alternative bioassays (at the cellular, tissue and organism levels). The surprising discovery of the presence of the gene encoding the PBAN-R in the male homologous tissue, but its absence at the protein level, launches opportunities for studying molecular regulation pathways and the evolution of these GPCRs. Overall this research will advance research towards the goal of finding antagonists for this important class of receptors that might encompass a variety of essential insect functions.
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