Xanthohumol, a prenylated flavonoid found in hops and beer, possesses a long-standing reputation to improve health. Xanthohumol’s cytotoxicity to a wide variety of cancer cell lines is well-established. Herein we provide further insight into the cytotoxicity of not only xanthohumol, but also its non-estrogenic derivatives, to a number of colonic...
Studies were conducted to determine the influence of formulation and molecular configuration of some chlorinated-phenoxyalkylcarboxylic acid herbicides on their absorption, translocation and metabolism in bigleaf maple, Acer macrophyllum, Pursh. Five to eight year old bigleaf maple seedlings were treated with one percent solutions of carbon 14-labeled herbicids. After three days...
In this investigation the addition of hydrogen bromide
to 3-methylcyclohexene has been studied in order to see if
the theory of hyperconjugation could be extended to include
olefins of this type. Since the olefin has an equal number
of hydrogens on both carbons carrying the double bond, a
mixture of...
When Charles Guiteau killed U.S. President James Garfield, he claimed that God had ordered him to do so. During his trial, Guiteau’s lawyers plead not guilty by reason of insanity, and the question of Guiteau’s innocence or guilt quickly became a question about the very nature of insanity itself. In...
This study examined the education and preparation of
220 full-time learning assistance professionals in
California's public Community College, State University, and
University of California systems. The purpose of the study
was to describe selected characteristics of the
professionals and to assess their implications for future
training programs. The results were...