56 research outputs found
Avaliação in vitro do efeito da desproteinização da dentina decídua de humanos na união de sistemas adesivos
No full textTese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Odontologia, Florianópolis, 2009.O objetivo deste estudo, in vitro, foi avaliar a resistência de união à microtração e a nanoinfiltração, após desproteinização da dentina decídua humana. Foram utilizadas coroas de molares decíduos hígidos, as quais tiveram a superfície oclusal desgastada com lixas de carbeto de silício, até a completa exposição da superfície dentinária, e para padronização da smear layer. Os espécimes foram distribuídos em seis grupos, de acordo com o tipo de tratamento (condicionamento ácido - CA ou CA + hipoclorito de sódio - NaOCl) e os sistemas adesivos: One Step Plus - Bisco (OSP), Single Bond - 3M ESPE (SB), Prime & Bond 2.1 - Dentsply (PB). Para o procedimento de desproteinização foi utilizado hipoclorito de sódio 10% por 30s. Os sistemas adesivos e a resina (Filtek Z 250 - 3M ESPE) foram aplicados de acordo com as recomendações dos fabricantes e os espécimes armazenados em água destilada (37ºC/24h). As coroas foram seccionadas obtendo-se palitos (0,8mm2), os quais foram imediatamente submetidos ao teste de resistência à microtração (Instron - 0,5mm/min), até fratura dos corpos-de-prova. Os valores obtidos foram analisados por ANOVA e teste de Tukey (p<0,05). Os corpos-de-prova foram levados ao microscópio eletrônico de varredura (MEV), para visualização do tipo de fratura e os dados submetidos ao teste de Kruskal-Wallis (p<0,05).A nanoinfiltração foi avaliada utilizando-se palitos e nitrato de prata amoniacal como marcador químico. A deposição da prata foi visualizada ao MEV e analisada de duas formas: 1. Em porcentagem (%), em três regiões do palito, utilizando-se espectometria por energia dispersa por raio-x (EDS); 2. Atribuição de escores pela avaliação das fotomicrografias obtidas ao MEV. Os dados (%) foram analisados por ANOVA e teste de Tukey (p<0,05) e os escores submetidos aos testes de Kruskal-Wallis e U de Mann-Whitney (p<0,05).Os valores médios obtidos para o teste de microtração sem desproteinização foram [MPa(DP)]: PB - 35,95(6,12); SB - 28,82(6,38); OSP - 24,59(6,10); e após desproteinização: PB - 41,47(6,79); OSP - 31,09(9,16); SB - 25,55(7,23). Os padrões de fratura mais comumente encontrados foram coesiva do adesivo e mista, para todos os grupos. A nanoinfiltração, avaliada por porcentagem, apresentou diferença significante para as variáveis tratamento e adesivo. A desproteinização da dentina condicionada reduziu significativamente a infiltração para o adesivo OSP. Para a variável sistema adesivo, na análise por porcentagem e por escores, o adesivo SB apresentou significativamente maior infiltração pelo nitrato de prata quando comparado ao OSP e PB, que foram similares entre si. Conclui-se que a resistência adesiva não foi influenciada pela remoção do colágeno exposto pelo condicionamento ácido e que a nanoinfiltração não foi evitada pela desproteinização dentinária
The Career of Clifford Demarest (1874-1946): Organist, Social Advocate, and Educator
No full textabstract: As an organist, church musician, and educator, Clifford Demarest (1874-1946) was a prominent figure in New York during the first half of the twentieth century. However, prior to this thesis, Demarest's place within the history of American music, like that of many of his contemporaries, was all but neglected. This research reveals Clifford Demarest as an influential figure in American musical history from around 1900 to his retirement in 1937. Led by contemporary accounts, I trace Demarest's musical influence through his three musical careers: professional organist, church musician, and educator. As a prominent figure in the fledgling American Guild of Organists, Demarest was dedicated to the unification of its members and the artistic legitimacy of the organist profession. As the organist and choir director of the Church of the Messiah, later the Community Church of New York (1911-1946, inclusive), Demarest played an integral part in the liberal atmosphere fostered by the congregation's minister, John Haynes Holmes (1879-1964). Together Holmes and Demarest directly influenced the nascent National Association for the Advancement of Colored People and supported luminaries of the Harlem Renaissance. Influential figures such as Langston Hughes (1902-1967), Augustus Granville Dill (1881-1956), Egbert Ethelred Brown (1875-1956), and Countee Cullen (1903-1946) were inspired by the liberal environment in the Church of the Messiah; however, prior to this research, their connections to the church were unexplored. As the music supervisor of Tenafly High School and later, for the state of New Jersey, Demarest influenced countless students through his passion for music. His compositions for student orchestras are among the earliest to elevate the artistic standards of school music ensembles during the first four decades of the twentieth century. Archival sources such as church records, letters, and newspaper editorials, are synthesized with current research to characterize Demarest's place in these three professional orbits of the early twentieth century. His story also represents those of countless other working musicians from his era that have been forgotten. Therefore, this research opens an important new research field – a window into the dynamic world of the American organist.Dissertation/ThesisM.A. Music 201
History of the Library
No full textDemarest (1863–1956), an alumnus (1863) and the president of Rutgers (1906 to 1924) and author of the first comprehensive history of Rutgers, The History of Rutgers College (Princeton University Press, 1924), presents a detailed history of the Rutgers library, including finances, personnel, collections acquired and its various locations, from the books made available by Rutgers' first tutors in the 1770s to 1937 when the collections were housed in the Voorhees Library, the first purposely-built library building with holdings of 300,000 volumes
ABCNER 1
No full textHere is a chance find in an antique store. It complements the second and third readers, found, respectively, two and fourteen years ago. Alas, it does not contain fables, but I will include it in the collection to help complete the early set from American Book Company. This reader is in fair condition.This is a hardbound book (hard cover)By A.J. Demarest and William M. Van Sickl
Terminal Classic Status-Linked Ceramics and the Maya ‘Collapse:’ De Facto Refuse at Caracol, Belize
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Terminal Classic Status-Linked Ceramics and the Maya ‘Collapse:’ De Facto Refuse at Caracol, Belize
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Translation and Analysis of Two Chapters from Ancient Maya. The Rise and Fall of a Rainforest Civilization by Arthur Demarest
No full textThe goal of this master’s thesis was to translate two chapters of Ancient Maya. The Rise and Fall of a Rainforest Civilization into Estonian, and to analyze the translation procedure. The thesis is divided into two major parts – the translation itself and its analysis.
Arthur Demarest is considered to be one of the world’s leading experts on the Maya, he is the author of hundreds of articles and dozens of books. The book chosen for this master’s thesis is one of his newest and part of the series Case Studies in Early Societies. The book offers an in-depth overview and analysis of the Mayan civilization and is an important resource for students and scholars of related fields, such as anthropology and ethnohistory. However, it is also a great introduction of the Maya for people less familiar with the topic. The chapters chosen for this master’s thesis deal with religion, ideology and the politics of Classic Maya states
The Van Houten Family of Bergen, New Jersey
No full textGenealogical record of the Van Houten (or Van Houte) family, residents of the Village of Bergen, now part of Jersey City. Begins with the marriage records of four brothers in the late 1600s, and traces the family to the early 1800s. Includes details of property and some events in the lives of family members.Reprinted from the New York Genealogical and Biographical Record for October, 1896, and January, 1897
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