A homogenizer with replaceable razor blades for bulk isolation of active barley plastids

The Blades Grim Straight Razor

The straight razor is hardcore. It is cut-throat sharp, dangerous, and yet has always maintained its notoriety of providing the benchmark kind of shave to which every other razor is compared. Some joke that straight razor shaving is an esoteric art practiced only by mentally unstable people with a death wish, and a new brand on the market expands on this idea. This article takes a look at an in...

Removal of razor blades from stomach with fibreoptic endoscope.

The risk of intestinal perforation by solid foreign bodies depends on their size and shape (Spitz, 1971). Objects of over 5 cm diameter, ithose which do not appear to have moved forward on successive x-ray films, and especially sharp or pointed objects such as needles or razor blades should be considered for removal (Jackson and Jackson, 1951; Perelnan, 1962; Murat, et al., 1969). Laparotomy ha...

A light-induced protease from barley plastids

Isolation and characterization of a phage active against streptomyces griseus

Exclusion of male mitochondria and plastids during syngamy in barley as a basis for maternal inheritance.

It is known from genetic analyses that maternal inheritance of cytoplasmic organelles is the rule among plants and animals. Although recognized as one of several possible mechanisms for strictly maternal cytoplasmic inheritance, exclusion of sperm cytoplasm at the time of gametic fusion has remained poorly documented for the flowering plants. In the present investigation, enucleated, cytoplasmi...