Changes in the spectrum and rates of extracellular enzyme activities in seawater following aggregate formation K. Ziervogel, A. D. Steen, and C. Arnosti Department of Marine Sciences, University of North Carolina at Chapel Hill, Chapman Hall, CB#3300, Chapel Hill, NC 27599-3300, USA now at: Center for Geomicrobiology, University of Århus, Ny Munkgade 1540, 0800 Århus C, Denmark Received: 16 Nov...

A pseudo course is a course that has a unique name, different from the standard course definition. Courses at The University of Akron are defined numerically, with the dept. number for the first 4 digits, and the actual course number with the last 3 characters. Example: 3300:111------3300 designates the English Dept., and 111 defines the exact course, in this case English Composition I. History...

This work describes that cytotoxicity of lead chloride and lead acetate to in vitro cultured lymphocytes from human umbilical cord blood, using four monitoring methods namely, trypan blue staining, acridine orange/ethidium bromide staining, 3-[4,5-dimethylthiazol-2-yl] 2,5-diphenyl tetrazolium bromide (MTT) and neutral red uptake assays; lead genotoxicity to lymphocytes was monitored by comet a...

Here are analysed personal observation about high duplication of median nerve at the wrist. Here are reported 18 cases on 3300 operations for carpal tunnel. The results are compared with the literary casuistry.

Pollen analysis on a sediment core from a mangrove area in southeastern Mexico was discussed and aspects of paleoecology, ecology and conservation were considered. The core spans the last 4000 years and evidences changes in a Rhizophora mangle dominated system. Between 3900 and 3500 cal yr BP, pollen data indicate higher levels of precipitation. Between 3600 and 3300 cal yr BP tropical forest n...