sperm DNA fragmentation
TítuloAnálisis de la fragmentación del ADN de espermatozoides humanos mediante el test de dispersión de la cromatina espermática : origen, causas e impacto en reproducción asistida
... The effect of cancer on sperm DNA fragmentation as measured by the sperm chromatin dispersion test The percentage of spermatozoa with fragmented DNA from cancer patients before surgery, [r] ...
330
Infertilidad masculina y fragmentacin del ADN espermtico: Un problema actual
... Spermatic DNA contributes one half of the genetic material to ...assess sperm DNA fragmentation has been increased, as damage during spermatogenesis can occur at any stage of the process, this ...
8
Use of Annexin V based Sperm Selection in Assisted Reproduction
... other sperm preparation methods in terms of providing motile, viable and non-apoptotic spermatozoa, supporting the incorporation of MACS to actual ...Studying sperm selection by MACS in 29 selected ...
10
Contribution to the improvement of communication services in nanosatellite constellations using delay and disruption tolerant networking based architectures
... Delay and Disruption Tolerant Networking is a new communications architecture designed to provide data communication services as an automated store and forward mechanism in networks, which are characterized by frequent ...
118
Estudio de proteínas recombinantes usando como modelo de expresión ovocitos de xenopus laevis
... su DNA el gen de proteína fluorescente roja, además, el plásmido DsRed carece de una cola de poliadenilación al extremo 3' de GLUT 1, el plásmido AGA si permite sintetizar un cRNA de GLUT 1 con esa cola lo que ...
88
Extracción de DNA
... ADN es la abreviatura del ácido desoxirribonucleico (en inglés, DNA). Constituye el material genético de los organismos. El ADN es una molécula que se encuentra en todas las células de los seres vivos y se encarga ...
5
Replicación del DNA.
... A partir de cada origen se sintetizan las dos cadenas en ambos sentidos. Esto ocurre en la mayoría de los organismos, pero se dan excepciones en algunos procariontes debido a que los mecanismos de replicación que tienen ...
37
Considerations on bubble fragmentation models
... Finally, in §5 we intégrate the population balance equation to determine the evolution of the distribution of bubbles in a turbulent water jet using different models for the daughter-b[r] ...
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Explicación Operón lac Andrés
... • Si entra una molécula de lactosa, esta será metabolizada a Alolactosa, la cuál es una molécula que permite un cambio conformacional en el represor del operón de lactosa, disminuyendo su afinidad por el DNA, lo ...
40
Aislamiento de fragmentos específicos de DNA
... e. Se lava del filtro el exceso de solución que contiene las sondas que no han hibridado. Las moléculas de doble cadena que se hayan formado permanecen en su lugar en el filtro y su visualización se realiza por medio de ...
13
Bacteriospermia and porcine reproduction: effects on sperm quality and fertility potential of boar spermatozoa
... he use of AI has grown exponentially since the 1980’s until becoming the most practised assisted reproductive technology throughout the world, on account of the development of efficient semen extenders, and the ...
151
Morphometric comparison by the ISAS® CASA DNAf system of two techniques for the evaluation of DNA fragmentation in human spermatozoa
... Instead of using just one of the morphometric parameters offered by CASA-DNAf systems for classification, it is better to integrate them through the use of principal component analysis, and for this reason, we have used ...
5
Comparison of some reproductive characteristics of farmed and wild white shrimp males Litopenaeus vannamei (Decapoda: Penaeidae)
... weight, sperm count and the percentage of normal sperm were statistically compared using a t-test for indepen- dent samples (Zar 1980); and with a modified t-test for unequal variances (ott ...1984). ...
8
BIOQ100 DNA estructura
... ¿QUE FORMA debe tener una molécula de DNA para que se puede determinar el tamaño por fraccionamiento electroforético en un gel de agarosa?.. Detección de secuencias especificas por h[r] ...
56
Periimplantitis: Checkerboard DNA-DNA Hybridization Método para la Identificación de Bacterias Patógenas
... may be markedly decreased but the species not eliminated. Another advantage of the technique is that membranes may be stripped and re-probed with a new set of 40 different DNA probes. The DNA checkerboard ...
12
Tesis presentada a la Universidad Autónoma Metropolitana Unidad Iztapalapa para obtener el grado de Maestro en Biología Experimental
... DNA e índice de proliferación; y de indicadores moleculares de inmortalización y transformación celular mediante identificación de la integración del DNA viral de l[r] ...
131
Borders within border: Fragmentation, Disposition, Connection
... Nicosia can be a paradigm, as the last European divided capital city. The interaction between its instable statement and the way public spaces are used is the main focus of this research. The capital of Cyprus keeps the ...
51
Estudio de la crioconservación y viabilidad de espermatozoides de epidídimo de caballo.
... Our first experiment were designed to study the effect of 1 sperm storage on viability and chromatin condensation; 2 pre-incubation of recovered epididymal sperm in the freezing extender[r] ...
223
Effect of seminal plasma and sperm of boars valued by freezability on seminal cryopreservation
... and sperm on freezability, it was necessary to perform centrifugation of the rich fraction of each selected male immediately after collection, this in order to avoid interaction between these two ...and ...
8
Relation between basal sperm morphology and sperm recovered by swim up
... which sperm were not recovered after swim up, we are not clear about the cause of ...of sperm concentration, total motility and progressive sperm motility were found over the lower limits established ...
13