plant tissue culture refers to growing and multiplication of cells, tissues and organs of plants on defined solid or liquid media under aseptic and controlled environment. micropropagation allows rapid production of high quality, disease-free and uniform planting material. the micropropagation of high quality planting materials of ornamentals, and forest and fruit trees has created new opportun...

objective(s): ex vivo expansion of hematopoitic stem cells is an alternative way to increase umbilical cord blood (ucb)-cd34+ cells for bone marrow transplantation. for this purpose demineralized bone matrix (dbm) and mineralized bone allograft (mba) as two scaffolds based on bone matrix and stem cell niche, were simultaneously used to enhance the effect of human mesenchymal progenitor cells (m...

The ubiquity of contemporary terrorism defines the evilness of banality. A typical terrorist profile does not exist; it’s atypical character of this vile phenomenon that chills human rationality. This article briefly unravels the dynamics of terror and its implications. Un-separated terrorism and counter-terrorism destroy the climate for civil transformation. Our counterproductive interventions...

The so-called New Perspective on Paul (NPP) has been likened to a Copernican revolution. Whether one is inclined to defend or assail it, the fact remains that Pauline studies will never be the same again. Some may try to ignore it, but apparently it is not going away, at least not anytime soon. And while many may wish that it would go away, it is my impression that much of the controversy that ...

A common belief among human life history researchers is that “harsher” environments i.e., those with higher mortality rates and resource stress select for “fast” life histories, i.e. earlier reproduction and faster senescence. I show that these “harsh environments, fast life histories” or HEFLH hypotheses are poorly supported by evolutionary theory. First, I use a simple model to show that effe...

Certain interventions that ameliorate impairments in reading and attention disorders operate on the physiological level and, therefore, lend themselves to technology-based applications. This study investigates the effects of Dance Dance Revolution (DDR)—a consumer-oriented, multimedia game—on the reading disorders of sixth-grade students with ADHD. It was hypothesized that by matching movements...

One tradition in the logical study of argumentation is to allow for arguments that combine strict and defeasible inference rules, and to derive the strict inference rules from a logic at least as strong as classical logic. An unsolved problem in this tradition is how the trivialising effect of the classical Ex Falso principle can be avoided when two arguments that use defeasible rules have cont...

This paper contains a new format for analytic tableaux, called goaldirected tableaux. Their main interest lies in the fact that they are more efficient than the usual analytic tableaux (in general, they lead to less branching). They can also be used to develop an efficient tableaux-based approach to abduction. The goal-directed tableaux do not form a full decision method for propositional class...

Probably nothing makes human beings more different from other species—and from one another— than their intelligence. The subject is of profound general interest—what the brain is for and how it works, the distinctiveness of the human mind, what makes us individual and human—yet delivers so little. Human intelligence remains poorly defined and characterized, even among those who most study it. R...

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