New material sheets and their applications.

Formation of epithelial sheets by serially cultivated human mucosal cells and their applications as a graft material.

A cultured epithelial sheet can be formed from living mucosal cells in vitro and used as a graft material. In this article, we describe our culturing methods for the preparation of mucosal epithelial sheets as well as the biological characteristics of these sheets compared with those of skin epithelial sheets. A cultured epithelial sheet has 5 to 8 cell layers and sufficient mechanical strength...

Magentotactic bacteria and their applications

Magentotactic bacteria are the types of bacteria capable of orientation in an external magnetic field because of the ability to produce structures called magnetosomes. Magnetosomes, nanometer-scale structures, are present in most of the magnetotactice bacteria. They are intracellular organelles composed of magnetic iron mineral crystals individually surrounded by a phospholipid layer. Because o...

Sequential Methods and Their Applications

The problem with material safety data sheets.

At the time I was appointed to be the Honorary Editor of Occupational Medicine, one of the anticipated pleasures was the opportunity to express my own views, albeit they might not always be on the most topical issues of the day. It is in this spirit that I recall the frustration some recent experiences caused and mount my symbolic 'soap box'. A few months ago, in a Friday afternoon clinic, a pa...

MULTIPLIERS AND THEIR APPLICATIONS IN EARTHQUAKE ENGINEERING

In this paper we shall study the multipliers on Banach algebras and We prove some results concerning Arens regularity and amenability of the Banach algebra M(A) of all multipliers on a given Banach algebra A. We also show that, under special hypotheses, each Jordan multiplier on a Banach algebra without order is a multiplier. Finally, we present some applications of m...