87,270 research outputs found
Efeito dos níveis de torra na cor e no rendimento da extração de DNA em cafés.
O objetivo desse trabalho foi estudar o rendimento da extração de DNA em cafés arábica e robusta submetidos a diferentes níveis de torra (clara, média, alta e italiana). O estudo foi conduzido no Laboratório de Diagnóstico Molecular e Micologia da Embrapa Agroindústria de Alimentos. Os cafés Coffea arabica L. cv. Mundo Novo e C. canephora (robusta) da Safra de 2014, foram oriundos de Machado – MG e Castelo – ES, respectivamente. Os grãos verde, de ambas as espécies, foram submetidos a diferentes níveis de torra. O DNA de café verde (arábica e robusta) e dos cafés torrados foram extraídos pelo método adaptado com a partir da junção do protocolo CTAB e do kit comercial DNeasy® e a quantificados através de método fluorimétrico, onde o café robusta apresentou maior concentração de DNA que o arábica. Também foi realizada a análise de cor instrumental, onde avaliou-se os parâmetros L*, C* e hº, observou-se que quanto maiores são os níveis de torra menores são os valores de cor, como esperado quanto maior o nível de torra maior o valor L*, que representa quão calor ou escura é a amostra, além disso, quanto maior o nível de torra, menor o rendimento da extração de DNA
Data Privacy Management and Security Assurance
The proceedings contain 17 papers. The special focus in this conference is on Quantitative Aspects in Security Assurance, Privacy Protection, Identification, Authentication, Authorization, Security and Secure Applications. The topics include: Metrics for transparency; understanding bifurcation of slow versus fast cyber-attackers; decomposing global quantitative properties into local ones; efficient sat-based pre-image enumeration for quantitative information flow in programs; controlled management of confidentiality-preserving relational interactions; privacy-preserving abuse detection in future decentralised online social networks; searchable encryption for biometric identification revisited; investigating the animation of application permission dialogs; a case study of facebook; Isabelle modelchecking for insider threats; managing and presenting user attributes over a decentralized secure name system; a privacy risk analysis methodology; a study from the data anonymization competition pwscup 2015 and refactoring preserves security
Variations on the Author
“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
[Newspaper Clipping: Author Claims Evidence of Second JFK Assassin #1]
Newspaper article titled "Author Claims Evidence of Second JFK Assassin." The article states that author Richard J. Whalen concluded "that there is circumstantial evidence to support the theory of a second assassin in the shooting of President John F. Kennedy.
Also By The Same Author: AKTiveAuthor, a Citation Graph Approach to Name Disambiguation
The desire for definitive data and the semantic web drive for inference over heterogeneous data sources requires co-reference resolution to be performed on those data. In particular, name disambiguation is required to allow accurate publication lists, citation counts and impact measures to be determined. This paper describes a graph-based approach to author disambiguation on large-scale citation networks. Using self-citation, co-authorship and document source analyses, AKTiveAuthor clusters papers, achieving precision of 0.997 and recall of 0.818 over a test group of eight surname clusters
John F. Kennedy telegram to Roosevelt
Jersey Homesteads (later the Borough of Roosevelt) was established in the 1930s as an agro-industrial cooperative community. It was established specifically for urban Jewish garment workers, many of whom had emigrated from Europe. President John F. Kennedy sent a telegram to the citizens of Roosevelt, New Jersey, apologizing for not being able to attend the memorial dedication in honor of former President Franklin Delano Roosevelt. (Jersey Homesteads became Roosevelt in 1945 in honor of the president.) President Kennedy expressed his gratitude to the people of Roosevelt for constructing the memorial, and commented that it will serve as a constant reminder of Roosevelt's good works
Ação antioxidante de Coffea arabica cultivar mundo novo IAC 388-17 em diferentes graus de torra.
O café é uma das bebidas mais consumidas no Brasil e no mundo, e sua produção agrícola está intimamente ligada com a economia global. Neste caso, é fundamental o conhecimento profundo da sua relação com a saúde, bem-estar e a fisiologia dos seres humanos. Dentre as várias propriedades que o café pode apresentar, este trabalho visa estudar as propriedades antioxidantes em relação ao grau de torra. Utilizamos técnicas bioquímicas para investigar a proteção de amostras de café contra o dano oxidativo causado por espécies reativas de oxigênio às moléculas de DNA e lipídios in vitro. Foi investigada a ação protetora do café do cultivar Mundo Novo IAC 388-17. Os resultados de dano ao DNA e a proteção à peroxidação lipídica demonstraram que as amostras de café testadas apresentam propriedades antioxidantes semelhantes levando-se em consideração diferentes escalas de torra. Amostras de café classificadas de acordo com suas propriedades antioxidantes devem ser muito úteis para investigações sobre os possíveis benefícios à saúde dos antioxidantes presentes na bebid
Logarithmic variance profiles and the corresponding f-1 spectra of temperature fluctuations in turbulent Rayleigh-Bénard convection
We report experimental results for the temperature variance 2(z) and the corresponding frequency spectra P(f) in turbulent Rayleigh-Bénard convection (RBC) in a cylindrical sample of aspect ratioT= D/L = 1:00 (D = 1:12 m is the diameter and L = 1:12 m the height). The measurements were conducted in the Rayleigh-number range 1011 < Ra < 1:35 1014 and Pr ' 0:8. For Ra = 1:35x1014, 2(z) could be described well by a logarithmic dependence on the vertical position z in a range of z 1 < z < z 2 with z 1 ' 70 and z 2 = 0:1L. Here L=(2Nu) is the thickness of a thin thermal sublayer adjacent to the horizontal plate where the heat flux (denoted by the Nusselt number Nu) is carried mostly by thermal diffusion. In the log layer, we found that the temperature spectra had a significant frequency range over which P(f) f with close to 1. As Ra decreased, increased so that the log layer became thinner. At Ra = 2:05 1011, z 2 < z 1 and therefore there was no range for a log layer. Correspondingly, the temperature spectrum near the horizontal plate did not have the f1 scaling form either
Maine author Franklin F. Gould recalls his first glimpse of the outside world
Maine author Franklin F. Gould recalls his first glimpse of the outside world as he relates how, as a young farm boy in the late 1800\u27s, he drove his father\u27s horses on an errand to an icebound river
- …
