Academic literature on the topic 'Mdgc'

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Journal articles on the topic "Mdgc"

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Mutangabende, Shepherd, and Elvin Shava. "Assessing Progress and Pitfalls of the Millennium Development Goals in Zimbabwe: A Critical Analysis." Africa’s Public Service Delivery and Performance Review 4, no. 4 (December 1, 2016): 573. http://dx.doi.org/10.4102/apsdpr.v4i4.141.

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Zimbabwe adopted the Millennium Development Goals (MDGs) at their inception in 2000 and it has trends of its progress in its attempt to attain these MDGs as indicated in progress reports since 2004, 2010, 2012 and 2015. In these reports optimistic trends are chiefly found in MDG2 on universal primary education which is Zimbabwe’s pride in Africa, MDG3 regarding gender parity in schools and MDG6 on HIV and AIDS. The country continues to face its biggest challenges in attaining MDG1 which is eliminating extreme poverty and hunger and MDG5 which is increase nurturing mortality, whereas all the objectives under these goals are dubious that would be attained at the cut-off date. It was unfortunate that, the inception of the MDGs coincided with the deepening of socioeconomic, political and environmental crisis in the country which made it very difficult for Zimbabwe to accomplish all of its MDGs. The focal motive of this study was to check the progress, policies, programmes and strategies which were in place to promote the attainment of the MDGs from 2000-2015 and other strategies or policies in place to attain the SDGs 2016-2030. This paper recommended that there is need for institutionalisation of SDGs that is aligning them with Zimbabwe Agenda for Sustainable Socioeconomic Transformation (Zim-Asset) cluster; for instance, value accumulation and beneficiation, nourishment security, poverty extermination, social services and strengthening partnership with all stakeholders. The research uses intensive secondary data analysis from various sources including government gazette, journal articles, e-books, and government website, reports, published and unpublished books.
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Pažitná, Alexandra, Nikoleta Jánošková, and Ivan Špánik. "Multidimensional gas chromatography and its applications in food and environmental analysis." Acta Chimica Slovaca 6, no. 1 (April 1, 2013): 133–40. http://dx.doi.org/10.2478/acs-2013-0021.

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Abstract This review deals with overview of methods of multidimensional gas chromatography (MDGC), the classical meaning- conventional heart-cut MDGC, and the comprehensive two-dimensional gas chromatography (GC×GC). MDGC is widely used because it increases required separation efficiency, which cannot be achieved by one-dimensional gas chromatography. Selected applications in food quality and safety, monitoring of environment, food authentication are summarized. This review summarizes the advances and applications of MDGC that have been published over last 10 years.
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English, Mike, Rex English, and Atti English. "Millennium Development Goals progress: a perspective from sub-Saharan Africa." Archives of Disease in Childhood 100, Suppl 1 (January 22, 2015): S57—S58. http://dx.doi.org/10.1136/archdischild-2013-305747.

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Sub-Saharan Africa is a highly diverse geo-political region. Any brief discussion of the progress made over the last 15 years towards the Millennium Development Goals (MDGs) will therefore not do justice to the true complexity of context and events. Our focus will be MDG4—to reduce child mortality by 66% from 1990 levels. We will touch briefly on MDG1, to eradicate extreme poverty and hunger, MDG2, to achieve universal primary education, and MDG5, to improve maternal health, which are inextricably linked with child well-being. We will also draw on an eclectic mix of additional global indicators. Acknowledging the limitations of this approach, we first offer a summary of expected progress and then point to debates on future goals.
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Sewenig, Sabine, Dino Bullinger, Uwe Hener, and Armin Mosandl. "Comprehensive Authentication of (E)-α(β)-Ionone from Raspberries, Using Constant Flow MDGC-C/P-IRMS and Enantio-MDGC-MS." Journal of Agricultural and Food Chemistry 53, no. 4 (February 2005): 838–44. http://dx.doi.org/10.1021/jf040356k.

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Sciarrone, Danilo, Antonino Schepis, Gemma De Grazia, Archimede Rotondo, Filippo Alibrando, Roger Raupp Cipriano, Humberto Bizzo, Cicero Deschamps, Leonard M. Sidisky, and Luigi Mondello. "Collection and identification of an unknown component from Eugenia uniflora essential oil exploiting a multidimensional preparative three-GC system employing apolar, mid-polar and ionic liquid stationary phases." Faraday Discussions 218 (2019): 101–14. http://dx.doi.org/10.1039/c8fd00234g.

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Janta, Pannipa, Duangkamol Pinyo, Yamonporn Yodta, Porames Vasasiri, Meinolf Weidenbach, Matthias Pursch, Xiuhan (Grace) Yang, and Chadin Kulsing. "Strategies towards simpler configuration and higher peak capacity with comprehensive multidimensional gas chromatography." RSC Advances 11, no. 14 (2021): 7946–53. http://dx.doi.org/10.1039/d0ra10495g.

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Full, Gerhard, Peter Winterhalter, Gertraut Schmidt, Peter Herion, and Peter Schreier. "MDGC-MS: A powerful tool for enantioselective flavor analysis." Journal of High Resolution Chromatography 16, no. 11 (November 1993): 642–44. http://dx.doi.org/10.1002/jhrc.1240161104.

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Janta, Pannipa, Duangkamol Pinyo, Yamonporn Yodta, Porames Vasasiri, Meinolf Weidenbach, Matthias Pursch, Xiuhan (Grace) Yang, and Chadin Kulsing. "A multi-location peak parking approach for calculation of second dimensional retention indices for improved volatile compound identification with cryogen-free comprehensive heart-cut two-dimensional gas chromatography." Analytical Methods 13, no. 1 (2021): 124–32. http://dx.doi.org/10.1039/d0ay01976c.

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Comprehensive heart-cut multidimensional gas chromatography (CH/C MDGC) without a cryogenic trapping device was developed with an approach for calculation of first and second dimensional retention indices (1I and 2I).
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Legrum, Charlotte, Elisa Gracia-Moreno, Ricardo Lopez, Theodoros Potouridis, Johannes Langen, Petra Slabizki, Jörg Weiand, and Hans-Georg Schmarr. "Quantitative analysis of 3-alkyl-2-methoxypyrazines in German Sauvignon blanc wines by MDGC–MS or MDGC–MS/MS for viticultural and enological studies." European Food Research and Technology 239, no. 4 (May 15, 2014): 549–58. http://dx.doi.org/10.1007/s00217-014-2250-8.

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Schubert, Vera, Renate Diener, and Armin Mosandl. "Enantioselective Multidimensional Gas Chromatography of Some Secondary Alcohols and Their Acetates from Banana." Zeitschrift für Naturforschung C 46, no. 1-2 (February 1, 1991): 33–36. http://dx.doi.org/10.1515/znc-1991-1-206.

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Abstract Using enantioselective MDGC the enantiomeric distribution of alkan-(alken-)2-yl-acetates from bananas is achieved. After simple acetylation their corresponding alcohols 2-pentanol, 2-hexanol, 2-heptanol an d (Z)-4-hepten-2-ol respectively are also exactly stereodifferentiated by the same method. All compounds investigated -esters as well as alcohols -exhibit a remarkable excess of the (S)-enantiomers.
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Dissertations / Theses on the topic "Mdgc"

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Batista, Lilian Ribeiro. "Desenvolvimento e validação de método para determinação de etanol em xaropes utilizando headspace e cromatografia gasosa multidimensional acoplada a espectrometria de massas (HS - MDGC - MS)." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/4855.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
Despite the efforts of many pharmaceutical companies to replace or reduce the content, many liquid medications still contains ethanol, which needs to have its contents regulated and monitored by quality control. Ethanol analyzes are generally carried out using one-dimensional gas chromatograph, however this technique does not always have adequate separation for the analysis of complex samples. The multidimensional chromatography has emerged as an innovative alternative because it allows the combination of two or more independent separation steps, significantly increasing the power of separation of the corresponding one-dimensional techniques. In this way, towards doing ethanol analysis in syrups for child and adult audience, a method by multidimensional gas chromatography-mass spectrometry was developed and validated for quality control purposes in the pharmaceutical industry. The analytical method developed led to a gain in selectivity by using the headspace extraction phase of ethanol in miniaturized and automated sample preparation. The use of HS-MDGC / GCMS provided a better separation of syrup components allowing to evidence that some commercial syrup have ethanol content above the maximum levels recommended by ANVISA. The method was validated according to standards established by ANVISA. The method was validated according ANVISA standards, presenting LOD 0.03% (v / v) and the LOQ of 0.06% (v / v) ethanol. The recovery values were 96.71% to 101.38%. Commercial samples of syrup in selected pharmacies in Goiânia/GO were analyzed by the proposed method and the content of ethanol in some samples was higher than maximum value allowed for this medicines.
Apesar dos esforços de muitas empresas farmacêuticas em substituir ou reduzir o teor alcoólico, muitos medicamentos líquidos ainda contém etanol, o qual precisa ter seu teor regulado e monitorado por técnicas específicas e precisas de controle da qualidade. Análises de etanol são geralmente realizadas utilizando cromatografia gasosa unidimensional, porém esta técnica nem sempre apresenta adequada separação para a análise de amostras complexas. A cromatografia multidimensional surgiu como uma alternativa inovadora, pois permite a combinação de duas ou mais etapas de separação independentes, aumentando significativamente o poder de separação das técnicas unidimensionais correspondentes. Assim, visando efetuar a análise de etanol em xaropes destinados ao público infantil e adulto, um método via cromatografia gasosa multidimensional acoplada à espectrometria de massas foi desenvolvido e validado para fins de controle de qualidade na indústria farmacêutica. O método analítico desenvolvido proporcionou ganho de seletividade pela utilização do headspace como fase extratora de etanol em sistema miniaturizado e automatizado de preparo de amostra. O uso de HS-MDGC-MS proporcionou a separação mais adequada dos componentes do xarope, permitindo evidenciar que alguns xaropes comerciais apresentam teor de etanol acima dos teores máximos preconizados pela Anvisa. O método foi validado segundo as normas estabelecidas pela Anvisa apresentando LD de 0,03% (v/v) e o LQ de 0,06% (v/v) de etanol. Os valores de recuperação foram de 96,71% a 101,38%. Amostras comerciais de xarope selecionados em farmácias de Goiânia/GO foram analisadas pelo método proposto, sendo que em algumas dessas amostras a concentração de etanol obtida foi superior aos limites máximos permitidos nestes medicamentos.
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Xiong, Haiyan. "Providing a formal linkage between MDG and HOL based on a verified MDG system." Thesis, Middlesex University, 2002. http://eprints.mdx.ac.uk/6731/.

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Formal verification techniques can be classified into two categories: deductive theorem proving and symbolic state enumeration. Each method has complementary advantages and disadvantages. In general, theorem provers are high reliability systems. They can be applied to the expressive formalisms that are capable of modelling complex designs such as processors. However, theorem provers use a glass-box approach. To complete a verification, it is necessary to understand the internal structure in detail. The learning curve is very steep and modeling and verifying a system is very time-consuming. In contrast, symbolic state enumeration tools use a black-box approach. When verifying a design, the user does not need to understand its internal structure. Their advantages are their speed and ease of use. But they can only be used to prove relatively simple designs and the system security is much lower than the theorem proving system. Many hybrid tools have been developed to reap the benefits of both theorem proving Systems and symbolic state enumeration Systems. Normally, the verification results from one system are translated to another system. In other words, there is a linkage between the two Systems. However, how can we ensure that this linkage can be trusted? How can we ensure the verification system itself is correct? The contribution of this thesis is that we have produced a methodology which can provide a formal linkage between a symbolic state enumeration system and a theorem proving system based on a verified symbolic state enumeration system. The methodology has been partly realized in two simplified versions of the MDG system (a symbolic state enumeration system) and the HOL system (a theorem proving system) which involves the following three steps. First, we have verified aspects of correctness of two simplified versions of the MDG system. We have made certain that the semantics of a program is preserved in those of its translated form. Secondly, we have provided a formal linkage between the MDG system and the HOL system based on importing theorems. The MDG verification results can be formally imported into HOL to form the HOL theorems. Thirdly, we have combined the translator correctness theorems with the importing theorems. This combination allows the low level MDG verification results to be imported into HOL in terms of the semantics of a high level language (MDG-HDL). We have also summarized a general method which is used to prove the existential theorem for the specification and implementation of the design. The feasibility of this approach has been demonstrated in a case study: the verification of the correctness and usability theorems of a vending machine.
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Kledrowetz, Vilém. "Vliv rozlišení MDAC na bloky řetězového převodníku AD." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217879.

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This work deals with the influence of MDAC (multiplying DAC) resolution on basic blocks of pipelined AD converter. The MDAC was designed with 1,5 and 2,5 bits resolution structure using switched capacitor technique (SC) utilizing CMOS 0,7 m technology. Basic stages of this pipelined ADC are analyzed and compared.
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Allem, Luiz Emílio. "Polinômios multivariados : fatoração e MDC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/27080.

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Nesta tese de doutorado estudamos polinômios multivariados. Começamos fazendo uma revisão bibliográfica sobre o teorema da irredutibilidade de Hilbert. Abordamos com detalhes as demonstrações da versão clássica feita pelo próprio Hilbert e das versões efetivas feitas por Erich Kaltofen e Shuhong Gao. Desenvolvemos um novo algoritmo para fatoração de polinômios multivariados inteiros usando logaritmo discreto. Nosso método é baseado em novos tipos de reduções de polinômios multivariados para polinômios bivariados, as quais têm como principal característica manter a esparsidade do polinômio. Nosso método mostrou-se eficiente quando usado para fatorar polinômios multivariados que possuem apenas fatores esparsos e quando usado para extrair fatores esparsos de polinômios multivariados que têm fatores esparsos e densos. Terminamos essa tese trabalhando com o máximo divisor comum (mdc) de polinômios. Estudamos critérios geométricos de politopos para determinar coprimalidade entre polinômios multivariados. Desenvolvemos um novo algoritmo que trabalha em tempo polinomial (sobre o número de monômios) para detectar coprimalidade entre polinômios multivariados usando seus politopos de Newton associados. Esse método geométrico tem a vantagem de determinar a coprimalidade entre famílias de polinômios, pois podemos mudar arbitrariamente os coeficientes dos polinômios desde que certos coeficientes permaneçam não nulos. Além disso, os polinômios permanecerão coprimos sobre qualquer corpo. Terminamos mostrando como construir o mdc entre dois polinômios bivariados usando seus polígonos de Newton associados.
In this dissertation we study multivariate polynomials. We begin with a bibliographical review on the Hilbert irreducibility theorem. We cover in detail the demonstrations of the classic version due to Hilbert himself and effective versions due to Erich Kaltofen and Shuhong Gao. We developed a new algorithm for factoring multivariate integral polynomials using discrete logarithm. Our method is based on new types of reductions, from multivariate polynomias to bivariate polynomials, whose main feature is to maintain the sparsity of the polynomial. Our method has proved to be eficient when used for factoring multivariate polynomials that have only sparse factors and when used to extract sparse factors of multivariate polynomials that have sparse and dense factors. We finish this dissertation studying the greatest common divisor (gcd) of polynomials. We study geometric criteria of polytopes to determine coprimality between multivariate polynomials. We developed a new algorithm that works in polynomial time (on the number of monomials) to detect coprimality between multivariate polynomials using their associated Newton polytopes. This geometric method has the advantage of determining the coprimality between families of polynomials, since we can arbitrarily change the polynomial coeficients as long as some coeficients remain nonzero. Moreover, the coprime polynomials shall remain coprime on anyfield. We ended up showing how to build the gcd between two bivariate polynomials using their associated Newton polygons.
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Paiva, Thales Areco Bandiera. "Melhorando o ataque de reação contra o QC-MDPC McEliece." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/45/45134/tde-07012018-212020/.

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O QC-MDPC McEliece foi considerado um dos mais promissores esquemas criptográficos de chave pública que oferecem segurança contra ataques por computadores quânticos. O tamanho das chaves públicas do QC-MDPC McEliece é competitivo com o das chaves do RSA, e o esquema tem uma redução de segurança aparentemente forte. Por três anos, o esquema não sofreu ataques críticos, até que na Asiacrypt de 2016 Guo, Johansson, e Stankovski mostraram um ataque de reação contra o QC-MDPC McEliece que explora um aspecto não considerado em sua redução de segurança: a probabilidade de o algoritmo de decriptação falhar é menor quando a chave secreta e o vetor usado para encriptar a mensagem compartilham certas propriedades, chamadas de espectros. Dessa forma, um atacante pode, ao detectar falhas de decriptação, obter informação sobre o espectro, que será usada para reconstruir a chave secreta. Guo et al. apresentaram um algoritmo para a reconstrução da chave a partir do espectro recuperado, para o qual é possível apontar três problemas. O primeiro é que seu algoritmo não é eficiente quando o espectro da chave não foi recuperado quase completamente, o que resulta em o atacante ter que enviar um grande número de testes de decriptação à portadora da chave secreta. O segundo problema é que o desempenho de seu algoritmo não escala bem para níveis de segurança mais altos. O terceiro e último problema é que, por ser baseado numa busca em profundidade, seu algoritmo não pode ser paralelizado trivialmente. Para aumentar a eficiência do ataque, dois novos algoritmos de reconstrução são propostos neste trabalho. Estes algoritmos são mais eficientes, usam menos informação sobre a chave secreta, e podem ser paralelizados trivialmente. O primeiro algoritmo é probabilístico e tem complexidade assintótica ligeiramente melhor do que a do original. Entretanto, o desempenho do algoritmo probabilístico piora rapidamente, embora mais lentamente do que o algoritmo de Guo et al., conforme a quantidade de informação sobre o espectro diminui. O segundo algoritmo explora uma relação linear entre os blocos da chave secreta. Este é mais eficiente, tanto assintoticamente quanto na prática, que os dois outros algoritmos, e é eficiente mesmo com 50% menos informação sobre o espectro do que o necessário para o algoritmo original. Isso permite que o atacante encontre a chave secreta fazendo apenas em torno de 20% do número de testes necessários pelo algoritmo de Guo\'s et al., considerando-se o nível de segurança de 80 bits. O desempenho de ambos os algoritmos são analisados e comparados com o do algoritmo original, e as análises são feitas tanto para a complexidade teórica quanto para o desempenho na prática, considerando a implementação dos algoritmos em linguagem C.
The QC-MDPC McEliece scheme was considered one of the most promising public key encryption schemes for efficient post-quantum secure encryption. As a variant of the McEliece scheme, it is based on the syndrome decoding problem, an NP-hard problem from Coding Theory. The key sizes are competitive with the ones of the widely used RSA cryptosystem, and it came with an apparently strong security reduction. For three years, the scheme has not suffered major threats, until the end of 2016, when Guo, Johansson, and Stankovski presented at Asiacrypt a reaction attack on the QC-MDPC that exploits one aspect that was not considered in the security reduction: the probability of a decoding failure to occur is lower when the secret key and the error used for encryption share certain properties, which they called spectrums. By detecting decoding failures, the attacker can obtain information on the spectrum of the secret key and then use this information to reconstruct the key. Guo et al. presented an algorithm for key reconstruction for which we can point three weaknesses. The first one is that it cannot deal efficiently with partial information on the spectrum of the secret key, resulting in the attacker having to send a great number of decoding trials. The second one is that it does not scale well for higher security levels. The third one is that the algorithm, which is based on a depth-first search, cannot be trivially parallelized. To improve the efficiency of the attack, we propose two different key reconstruction algorithms that are more efficient, use less information on the secret key, and can be trivially parallelized. The first algorithm, which is a simple probabilistic extension of Guo\'s et al. algorithm, is more efficient and runs increasingly faster, for higher security levels, than the original one. However, for security levels higher than 80 bits, the probabilistic algorithm cannot run efficiently without too much information on the spectrum of the secret key, even though it needs less information than the original algorithm. The second algorithm is based on a linear relation between the blocks of the secret key. It can run efficiently with around 50% less information than needed by Guo\'s et al. key reconstruction algorithm. This makes it possible for an attacker to recover the secret key sending approximately 20% of the of the number of decoding trials needed by Guo\'s et al. algorithm, for the security level of 80 bits. The performance of each presented algorithm is analyzed and compared with that of the original one. The analysis are made theoretically, considering a probabilistic analysis of the algorithms, and in practice, considering the corresponding implementations in C language.
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Jury, Jennifer Anne. "Studies on fertilin and related MDC genes." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484281.

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Zobair, Md Hasan. "Modeling and formal verification of a telecom system block using MDGs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59312.pdf.

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Martins, Homero de Oliveira. "QC-MDPC McEliece : uma implementação otimizada de uma nova variante Mceliece." reponame:Repositório Institucional da UnB, 2014. http://repositorio.unb.br/handle/10482/17327.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2014.
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Esta dissertação apresenta a implementação de uma versão otimizada de uma variante McEliece. O criptossistema de McEliece é um exemplo de criptografia baseada em códigos que representa uma alternativa aos criptossistemas atuais mais populares e comerciais, pois até o presente momento ele é imune à computação quântica. Possui algoritmos rápidos e simples, porém uma desvantagem sua é o tamanho das chaves com as quais trabalha. Ao substituir os códigos Goppa da proposta McEliece original por códigos LDPC e MDPC é possível conseguir chaves muito menores. Ao aplicar técnicas de programação tais como a paralelização de operações e ao mesmo tempo utilizar decodificadores eficientes de códigos LDPC é possível alcançar bons resultados e um desempenho otimizado do criptossistema baseado em códigos provando que ele deve de fato ser levado em consideração como um forte candidato substituto para o RSA e o DSA enquanto os computadores quânticos surgem para facilmente computar logaritmos discretos e fatorar grandes números inteiros. __________________________________________________________________________________ ABSTRACT
This paper presents the implementation of an optimized version of a McEliece variant. The McEliece cryptosystem is an example of code-based cryptography which is an alternative to the most popular and commercial cryptosystems nowadays as it is believed to be immune to quantum computing. It has simple and fast algorithms, but its drawback is the size of the keys it has to deal with. By substituting the Goppa codes of the McEliece original proposal by LDPC and MDPC codes it’s possible to achieve much smaller keys. And by applying programming technics such as parallelization of operations and also utilizing efficient decoders of LDPC codes it’s possible to achieve really good results and optimal performances of the code-based cryptosystem showing that it really has to be considered as a strong substitute to RSA and DSA as quantum computers emerge to easily compute discrete logarithms and factor large integers.
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Tagliani, Marcela Martini [UNESP]. "Resposta de celúlas odontoblastóides MDPC-23 irradiadas com LED de 630nm." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/95509.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Na biofotônica, lasers e LEDs (light-emitting diodes) têm sido empregados na bioestimulação de células e tecidos. LED é um diodo semicondutor que, quando energizado, produz luz de espectro estreito, em forma de eletroluminescência. Experimentos in vitro utilizando LEDs com diferentes comprimentos de onda demonstraram a ocorrência de significativo estímulo no crescimento celular, efeito antiinflamatório e antimicrobiano, além do metabolismo celular aumentado. Na odontologia, a aplicação clínica de lasers e LEDs em terapias objetivando a redução da hipersensibilidade dentinária tem se mostrado efetiva, através de aparente síntese e deposição de dentina reacional. Entretanto, não há trabalhos na literatura que demonstrem o efeito do LED sobre a cultura de odontoblastos, tampouco dados científicos caracterizando a relação entre LED e redução da hipersensibilidade dentinária. Assim, o objetivo desta pesquisa foi investigar a ação do LED em 630 nm sobre o metabolismo de células de linhagem odontoblástica MDPC-23. Para isto, as células foram descongeladas, cultivadas e plaqueadas. Então, o LED foi aplicado diretamente sobre estas células, em diferentes tempos (20, 40, 80 e 240”) e condições de estresse (2 ou 10% de SFB), de acordo com cada grupo experimental, por três dias consecutivos, através de um dispositivo de irradiação denominado “LEDTable”. Posteriormente, foram avaliados a viabilidade celular, através do teste MTT, e a morfologia celular, por microscopia eletrônica de varredura. Os dados obtidos nos testes de MTT foram submetidos ao teste de Mann-Whitney para a comparação das concentrações de soro fetal bovino em cada dose de energia individualmente. Foi utilizado também o teste de Kruskal-Wallis para comparar as diferentes doses de energia em cada concentração de soro fetal bovino. Os dados foram analisados estatisticamente...
Lasers and LEDs (light-emitting diodes) have been used for biostimulation of cells and tissues. LED is a semiconductor diode which produces limited spectrum visible light. In vitro experiments using LEDs at different wavelengths have shown an enhancement of cell growth, anti-inflammatory and antibacterial effects and increased cell metabolism. In dentistry, the use of lasers and LEDs in therapies to reduce dental hypersensitivity has been proved to be clinically effective, through the synthesis and deposition of reactionary dentin. However, there are no studies that demonstrate the effect of LED therapy on odontoblast-like cells and there is no scientific data linking LED irradiation to dental hypersensitivity reduction. For this reason, the aim of this study was to investigate the effect of LED 630 nm irradiation on MDPC-23 (odontoblast-like) cells metabolism. Cells were seeded on 24-wells plates and cultured. Then the LED light was directly applied to these cells under different experimental conditions (time and % of BFS), according to each experimental group, for three following days. A device named LEDTable provided red LED irradiation. Then, cell viability (MTT Assay) and cell morphology (SEM) were evaluated. The cell viability results were first submitted to Mann-Whitney tests in order to compare the fetal bovine serum concentrations and energy dose, and then Kruskal-Wallis test was performed to compare different energy doses in every serum concentration. Data were statistically analyzed (p=0,05). Results show a biostimulation of cells kept under normal culture conditions and submitted to low LED irradiation dose (1 J/cm2). However, under nutritional stress, cells required higher energy dose to be stimulated, such as 4 J/cm2. On the other hand, a 8 J/cm2 dose did not affect the metabolism of this immortalized cell line. The SEM analysis showed a higher number of cells attached... (Complete abstract click electronic acess below)
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Tagliani, Marcela Martini. "Resposta de celúlas odontoblastóides MDPC-23 irradiadas com LED de 630nm /." Araraquara : [s.n.], 2010. http://hdl.handle.net/11449/95509.

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Orientador: Carlos Alberto de Souza Costa
Banca: Denise Madalena Palomari Spolidório
Banca: Cristina Kurachi
Resumo: Na biofotônica, lasers e LEDs (light-emitting diodes) têm sido empregados na bioestimulação de células e tecidos. LED é um diodo semicondutor que, quando energizado, produz luz de espectro estreito, em forma de eletroluminescência. Experimentos in vitro utilizando LEDs com diferentes comprimentos de onda demonstraram a ocorrência de significativo estímulo no crescimento celular, efeito antiinflamatório e antimicrobiano, além do metabolismo celular aumentado. Na odontologia, a aplicação clínica de lasers e LEDs em terapias objetivando a redução da hipersensibilidade dentinária tem se mostrado efetiva, através de aparente síntese e deposição de dentina reacional. Entretanto, não há trabalhos na literatura que demonstrem o efeito do LED sobre a cultura de odontoblastos, tampouco dados científicos caracterizando a relação entre LED e redução da hipersensibilidade dentinária. Assim, o objetivo desta pesquisa foi investigar a ação do LED em 630 nm sobre o metabolismo de células de linhagem odontoblástica MDPC-23. Para isto, as células foram descongeladas, cultivadas e plaqueadas. Então, o LED foi aplicado diretamente sobre estas células, em diferentes tempos (20, 40, 80 e 240") e condições de estresse (2 ou 10% de SFB), de acordo com cada grupo experimental, por três dias consecutivos, através de um dispositivo de irradiação denominado "LEDTable". Posteriormente, foram avaliados a viabilidade celular, através do teste MTT, e a morfologia celular, por microscopia eletrônica de varredura. Os dados obtidos nos testes de MTT foram submetidos ao teste de Mann-Whitney para a comparação das concentrações de soro fetal bovino em cada dose de energia individualmente. Foi utilizado também o teste de Kruskal-Wallis para comparar as diferentes doses de energia em cada concentração de soro fetal bovino. Os dados foram analisados estatisticamente... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Lasers and LEDs (light-emitting diodes) have been used for biostimulation of cells and tissues. LED is a semiconductor diode which produces limited spectrum visible light. In vitro experiments using LEDs at different wavelengths have shown an enhancement of cell growth, anti-inflammatory and antibacterial effects and increased cell metabolism. In dentistry, the use of lasers and LEDs in therapies to reduce dental hypersensitivity has been proved to be clinically effective, through the synthesis and deposition of reactionary dentin. However, there are no studies that demonstrate the effect of LED therapy on odontoblast-like cells and there is no scientific data linking LED irradiation to dental hypersensitivity reduction. For this reason, the aim of this study was to investigate the effect of LED 630 nm irradiation on MDPC-23 (odontoblast-like) cells metabolism. Cells were seeded on 24-wells plates and cultured. Then the LED light was directly applied to these cells under different experimental conditions (time and % of BFS), according to each experimental group, for three following days. A device named LEDTable provided red LED irradiation. Then, cell viability (MTT Assay) and cell morphology (SEM) were evaluated. The cell viability results were first submitted to Mann-Whitney tests in order to compare the fetal bovine serum concentrations and energy dose, and then Kruskal-Wallis test was performed to compare different energy doses in every serum concentration. Data were statistically analyzed (p=0,05). Results show a biostimulation of cells kept under normal culture conditions and submitted to low LED irradiation dose (1 J/cm2). However, under nutritional stress, cells required higher energy dose to be stimulated, such as 4 J/cm2. On the other hand, a 8 J/cm2 dose did not affect the metabolism of this immortalized cell line. The SEM analysis showed a higher number of cells attached... (Complete abstract click electronic acess below)
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Books on the topic "Mdgc"

1

Massachusetts. Metropolitan District Commission. Division of Parks and Recreation. MDC bikepaths. Boston: MDC, Division of Parks and Recreation, 1986.

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Indonesia. Kementerian Negara Perencanaan Pembangunan Nasional. Pedoman penyusunan rencana aksi percepatan pencapaian tujuan MDGs di daerah: RAD MDGs. [Jakarta]: Kementerian Perencanaan Pembangunan Nasional/Badan Perencanaan Pembangunan Nasional, 2010.

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Indonesia. Kementerian Negara Perencanaan Pembangunan Nasional. Pedoman penyusunan rencana aksi percepatan pencapaian tujuan MDGs di daerah: RAD MDGs. [Jakarta]: Kementerian Perencanaan Pembangunan Nasional/Badan Perencanaan Pembangunan Nasional, 2010.

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Resti, Benedetto Marino Di. Libro dei conti (MDXC-MDCV). Sofii︠a︡: Glavno upravlenie na arkhivite pri Ministerskii︠a︡ suvet, 2004.

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Resti, Benedetto Marino Di. Libro dei conti (MDXC-MDCV). Sofii︠a︡: Glavno upravlenie na arkhivite pri Ministerskii︠a︡ suvet, 2004.

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Commission, Nigeria National Planning. Nigeria : Millennium Development Goals (MDGs): Countdown strategy 2010 to 2015 : achieving the MDGs. [Nigeria: s.n., 2010.

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Corner, Lorraine. Making the MDGs work for all: Gender-responsive rights-based approaches to the MDGs. Bangkok, Thailand: UNIFEM, 2008.

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Department, Zambia Ministry of Finance Monitoring and Evaluation. Millennium Development Goals (MDGs): Provincial profile. Lusaka, Zambia: Ministry of Finance, Monitoring and Evaluation Department, 2013.

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Kenya. Ministry of Planning and National Development. MDGs status report for Kenya, 2005. Nairobi: Ministry of Planning and National Development, 2005.

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Andrews, Nathan, Nene Ernest Khalema, and N'Dri T. Assié-Lumumba, eds. Millennium Development Goals (MDGs) in Retrospect. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16166-2.

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Book chapters on the topic "Mdgc"

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Preneel, Bart. "MDC-2 and MDC-4." In Encyclopedia of Cryptography and Security, 771–72. Boston, MA: Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-5906-5_596.

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Hammerich, Ralf. "Prä-MDC." In Handbuch zur Abrechnung von Krankenhausleistungen, 13–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11863-0_3.

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Bosselaers, Antoon, and Bart Preneel. "MDC-4." In Integrity Primitives for Secure Information Systems, 31–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-60640-8_4.

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Estache, Antonio, and Quentin Wodon. "Infrastructure and the MDGs." In Infrastructure and Poverty in Sub-Saharan Africa, 27–43. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137348487_3.

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Sumner, Andy, and Meera Tiwari. "The MDGs and Beyond." In After 2015: International Development Policy at a Crossroads, 43–73. London: Palgrave Macmillan UK, 2009. http://dx.doi.org/10.1057/9780230234680_3.

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Puplampu, Korbla P., Kobena T. Hanson, and Timothy M. Shaw. "From MDGs to SDGs." In From Millennium Development Goals to Sustainable Development Goals, 1–10. Other titles: International political economy of new regionalisms series.Description: New York : Routledge, 2017. |: Routledge, 2017. http://dx.doi.org/10.4324/9781315228068-1.

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Puplampu, Korbla P., and George O. Essegbey. "From MDGs to SDGs." In From Millennium Development Goals to Sustainable Development Goals, 53–73. Other titles: International political economy of new regionalisms series.Description: New York : Routledge, 2017. |: Routledge, 2017. http://dx.doi.org/10.4324/9781315228068-4.

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Whiteside, Alan. "From MDGs to SDGs." In Achieving the Sustainable Development Goals, 36–53. Abingdon, Oxon ; New York, NY : Routledge, 2019. | Series: Routledge studies in sustainable development: Routledge, 2019. http://dx.doi.org/10.4324/9780429029622-3.

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Liimatainen, Anne. "Millennium Development Goals (MDGs)." In Encyclopedia of Corporate Social Responsibility, 1682–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28036-8_12.

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Bai, Huihui, Anhong Wang, Yao Zhao, Jeng-Shyang Pan, and Ajith Abraham. "Principles of MDC." In Distributed Multiple Description Coding, 19–30. London: Springer London, 2011. http://dx.doi.org/10.1007/978-1-4471-2248-7_2.

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Conference papers on the topic "Mdgc"

1

Koziel, Jacek A., Lingshuang Cai, Donald W. Wright, Steven J. Hoff, Matteo Pardo, and Giorgio Sberveglieri. "Field Air Sampling with SPME for Ranking and Prioritization of Downwind Livestock Odors with MDGC-MS-Olfactometry." In OLFACTION AND ELECTRONIC NOSE: Proceedings of the 13th International Symposium on Olfaction and Electronic Nose. AIP, 2009. http://dx.doi.org/10.1063/1.3156540.

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Shicheng Zhang, Lingshuang Cai, Edward A Caraway, Jacek A Koziel, David B Parker, Ipek Celen, Brian Hetchler, et al. "Characterization and Quantification of Livestock Odorants using Sorbent Tube Sampling and Thermal Desorption coupled with Multidimensional Gas Chromatography-Mass Spectrometry-Olfactometry (TD-MDGC-MS-O)." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25192.

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Kraska, Tim, Gene Pang, Michael J. Franklin, Samuel Madden, and Alan Fekete. "MDCC." In the 8th ACM European Conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2465351.2465363.

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Che, Dongsheng, Yinglei Song, and Khaled Rasheed. "MDGA." In the 2005 conference. New York, New York, USA: ACM Press, 2005. http://dx.doi.org/10.1145/1068009.1068080.

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Broustis, Ioannis, Konstantina Papagiannaki, Srikanth V. Krishnamurthy, Michalis Faloutsos, and Vivek Mhatre. "MDG." In the 13th annual ACM international conference. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1287853.1287884.

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"APCC/MDMC'04 Committees." In APCC/MDMC '04. The 2004 Joint Conference of the 10th Asia-Pacific Conference on Communications and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceeding. IEEE, 2004. http://dx.doi.org/10.1109/apcc.2004.1391753.

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"MDC Reviewers." In 2006 International Symposium on a World of Wireless, Mobile and Multimedia Networks(WoWMoM'06). IEEE, 2006. http://dx.doi.org/10.1109/wowmom.2006.60.

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Huang., Chin-NIng. "Abstract 755: Antagonistic effect of M-MDSC and N-MDSC during astrocytoma progression." In Proceedings: AACR 107th Annual Meeting 2016; April 16-20, 2016; New Orleans, LA. American Association for Cancer Research, 2016. http://dx.doi.org/10.1158/1538-7445.am2016-755.

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Wang, Fang, and Sofiène Tahar. "Language emptiness checking using MDGs." In the 13th ACM Great Lakes Symposium. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/764808.764832.

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Hunnicutt, Ray, and David Garza. "Mission Data Storage Consolidation (MDSC)." In SpaceOps 2002 Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-t2-71.

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Reports on the topic "Mdgc"

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Schembri, Philip, and Jillian Adams. LANL MDMC Member Update: Summer 2020. Office of Scientific and Technical Information (OSTI), July 2020. http://dx.doi.org/10.2172/1643904.

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Unterhalter, Elaine, and Charlotte Watts. MDG3 : promote gender equality and empower women. Institute of Education; London School of Hygiene and Tropical Medicine, 2008. http://dx.doi.org/10.35648/20.500.12413/11781/ii070.

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Bailey, Marcus, Lening Rivera, Alex Altunes, and Angela Walters. 5 years of lessons via MDSGC Payloads at Capitol. Ames (Iowa): Iowa State University. Library. Digital Press, January 2018. http://dx.doi.org/10.31274/ahac.11071.

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Greer, R., and R. Ferencz. NAFEMS Finite Element Benchmarks for MDG Code Verification. Office of Scientific and Technical Information (OSTI), February 2004. http://dx.doi.org/10.2172/15009798.

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Starkey, Paul. Assessment of a possible post-MDG rural transport indicator. Evidence on Demand, August 2013. http://dx.doi.org/10.12774/eod_hd032a_mar2013.starkey.

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Turner, Jeff. Assessment of a possible post-MDG urban transport indicator. Evidence on Demand, August 2013. http://dx.doi.org/10.12774/eod_hd032b.jun2013.turner.

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Story, Natasha Claire. Investigating the Thermal Behavior of Polymers by Modulated Differential Scanning Calorimetry (MDSC) – A Review. Office of Scientific and Technical Information (OSTI), June 2020. http://dx.doi.org/10.2172/1633549.

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Guan, X., and E. C. Uberbacher. A multiple divide-and-conquer (MDC) algorithm for optimal alignments in linear space. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10168027.

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Quintana, Rodrigo, and Túlio A. Cravo. Demand-Driven Training and Job Turnover: The Effects of Brazil’s Pronatec-MDIC at Firm and Worker Level. Inter-American Development Bank, June 2019. http://dx.doi.org/10.18235/0001748.

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Achieving MDGs 4 and 5 in Sindh: The role of family planning. Population Council, 2014. http://dx.doi.org/10.31899/rh10.1013.

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