Wounding during the preparation of fresh-cut lettuce induces the synthesis of phenylalanine ammonia lyase (PAL, EC 4.3.1.5), and the synthesis and accumulation of specific phenolic compounds (e.g., chlorogenic acid) that contribute to subsequent tissue browning. Increased PAL activity and phenolic content were not induced in non-wounded lettuce that was kept in close proximity to wounded tissue...

Background: Cryopreservation of ovary for preserving germ cell line is going to be an important issue. However, the physical and chemical stresses during cryopreservation are the most important factors that may influence the post freezing tissue viability and quality. Vitrification is a new approach to bypass the impacts of both stresses for gametes and embryos and it is also suggested for ovar...

This paper presents graph operations for processing conceptual graph rules in forward chaining and backward chaining. In both cases the operations provide sound and complete procedures with respect to rst-order logic deduction. First we present our framework: simple conceptual graphs, rules as couples of lambda-abstractions, knowledge base, logical semantics. Next we focus on forward chaining. ...

We present a 3D interaction model for exploring volume image data by extending the capabilities of 3D slice plane widgets. Our model provides the ability to navigate through a volume image in a fast, intuitive manner, using object-relative user navigation. Employing a cut-fold-slide analogy, 3D slice plane widgets are rotated and translated relative to each other. The planes can be progressivel...

Current DNA sequencing methods can accurately determine only a few hundred ‘letters’ (bases) off each end of a contiguous stretch of DNA. It is therefore impossible to read a complete genome all at once. The human genome, for example, consists of about 3 billion base pairs — in contrast to about 500 that can be read at a time. The Whole Genome Shotgun Sequencing Method addresses this problem by...