Ethylene in Biological Technology

USP Announces Revised Glycerin Monograph

... presence of glycerin, diethylene glycol and ethylene glycol by a peak at the relative retention times for glycerin, diethylene glycol and ethylene glycol. Where a peak is present for either of the ... A new procedure, Diethylene glycol and ethylene glycol impurities, capable of quantifying ...

ThermoGenesis Announces Abstracts to Be Presented at Upcoming Stem Cell Therapy Conference

... June 2009. A review by the company of current practices for the sterilization of medical disposables intended for stem cell processing using ethylene oxide (EtO) from a toxicology perspective. Three abstracts detailing findings from studies involving the collection of stem cells from ...

Environmental Tectonics Corporation's Sterilization Systems Group Announces New Contracts

... and allows us to be more widely recognized as a leading cGMP equipment provider." ETC's Sterilization Systems Group (SSG) offers steam and ethylene Oxide Sterilizer Systems, Professional Services, Consulting and Software Systems to the Medical Device, Pharmaceutical, Biotechnology and ...

Rothwell, Wolf Elected to Codexis Board

... Head of Strategy, Planning and Ventures for Shell Chemicals. In 2002, he was appointed to the position of General Manager of Shell Chemicals global ethylene Oxide/Glycols business, a position he held until his current appointment earlier this year. Mr. Wolf has broad executive financial management ...

UW engineers clear bottleneck in hydrogen production

... energy from renewable biomass-derived oxygenated hydrocarbons - such as ethylene glycol derived from corn - because these fuels generate H2 and CO in ... overall efficiency of such a system is 40 percent and, unlike traditional ethylene glycol reforming, it does not require water. The overall efficiency is ...

A Unique Dimension in Biological Purity

... Eppendorf Biopur products are not sterilized in an ethylene oxide (EtO) process because EtO is absorbed at a rate of ... The levels of residues of EtO and its reaction product ethylene chlorohydrin that can be tolerated have to be very low, but ...

Using the VersaFluor Fluorometer to Quantitate GUS Expression in Plant Tissues Bombarded With the Biolistic PDS-1000/He System

... particle gun (Bio-Rad) as depicted in Figure 1B. Following particle bombardment and a 48-hour incubation period in ethylene (a plant hormone that induces abscission), approximately 1 mm of tissue is harvested from the upper surface of the bombarded ...

Chemical Stability of Disposables

... 2 / 2 ethylene chloride 3 / 3 3 / 3 ... 3 / 3 ethylene glycol 1 / 1 1 / 1 ... 1 / 1 ethylene oxide 2 / 2 0 / 0 ...

Tissue Specificity for Mutation Parallels Tissue Specificity for Cancer

... liver, skin, mammary gland Heart ethylene oxide 7 lung lung Spleen, bone ... induction in lacI transgenic mice after the mice inhaled 200 ppm of ethylene oxide. The mutant frequency increased significantly in the lung (9.1 x ...