5,525 research outputs found
Investigating a simple model of cutaneous wound healing angiogenesis
A simple model of wound healing angiogenesis is presented, and investigated using numerical and asymptotic techniques. The model captures many key qualitative features of the wound healing angiogenic response, such as the propagation of a structural unit into the wound centre. A detailed perturbative study is pursued, and is shown to capture all features of the model. This enables one to show that the level of the angiogenic response predicted by the model is governed to a good approximation by a small number of parameter groupings. Further investigation leads to predictions concerning how one should select between potential optimal means of stimulating cell proliferation in order to increase the level of the angiogenic response
Genetic Engineering and the Pursuit of Human Perfection
The idea of perfection has always captivated the attention of people across the ages. Whether in the form of gods, nature, or role models, people have always looked towards some form of the purest ideal. Perfection is not a novel idea by any means; however, it is only in recent years that human beings have actually sought to achieve it
Genetic Engineering and the Pursuit of Human Perfection
The idea of perfection has always captivated the attention of people across the ages. Whether in the form of gods, nature, or role models, people have always looked towards some form of the purest ideal. Perfection is not a novel idea by any means; however, it is only in recent years that human beings have actually sought to achieve it
Genetic Engineering and the Pursuit of Human Perfection
The idea of perfection has always captivated the attention of people across the ages. Whether in the form of gods, nature, or role models, people have always looked towards some form of the purest ideal. Perfection is not a novel idea by any means; however, it is only in recent years that human beings have actually sought to achieve it
The Development of the Wenatchee Youth Circus as an Extra-Curricular Educational Experience
The purpose of this study is to trace the development of the Wenatchee Youth Circus and its contribution to the educational growth and development of its participants
Unsupervised Feature Learning through Divergent Discriminative Feature Accumulation
Unlike unsupervised approaches such as autoencoders that learn to reconstruct
their inputs, this paper introduces an alternative approach to unsupervised
feature learning called divergent discriminative feature accumulation (DDFA)
that instead continually accumulates features that make novel discriminations
among the training set. Thus DDFA features are inherently discriminative from
the start even though they are trained without knowledge of the ultimate
classification problem. Interestingly, DDFA also continues to add new features
indefinitely (so it does not depend on a hidden layer size), is not based on
minimizing error, and is inherently divergent instead of convergent, thereby
providing a unique direction of research for unsupervised feature learning. In
this paper the quality of its learned features is demonstrated on the MNIST
dataset, where its performance confirms that indeed DDFA is a viable technique
for learning useful features.Comment: Corrected citation formattin
Ex Utero Intrapartum Treatment for Fetal Oropharyngeal Cyst
Background. A prenatally diagnosed fetal anomaly that could compromise the fetal airway at delivery can be managed safely with the ex utero intrapartum treatment (EXIT) procedure. Case. A 26-year-old healthy primigravida was diagnosed during her midtrimester anatomic ultrasound survey with a fetal oropharyngeal cystic structure located at the base of the tongue. The neonatal airway was successfully secured intrapartum using the EXIT procedure. Conclusion. Maintenance of fetoplacental circulation until the fetal airway is secured has been described for a multitude of fetal anomalies including cystic hygroma and teratoma. The literature also recounts its use for the reversal of tracheal plugging for congenital diaphragmatic hernia. A multidisciplinary approach to the antenatal and intrapartum care is essential for the successful management of these cases
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