Poly-m-phenoxylene [poly(m-phenylene oxide)]

Gas-chromatographic determination of polycyclic aromatic hydrocarbons

“…Several reports have been published (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12) describing the use of gas chromatography to separate and determine various polycyclic aromatic hydrocarbons, including the widely publicized carcinogen, benz(a)pyrene (BaP). None of them, however, describe a complete separation of BaP from its isomer, benz(e)pyrene (BeP).…”

What Medical-Legal Partnerships can do for Trauma Patients and Trauma Care

“…In addition, MLPs can benefit both hospitals and patients financially. In 2010, Rodabaugh and colleagues 22 found that a cancer-specific MLP generated nearly $1 million for the hospital by addressing denied benefits. More research is necessary to investigate the potential efficacy and utility of MLP services on patient care, patient experience, and hospital interests like financial gain and decreasing resource utilization.…”

Gas chromatography

“…As of January 1970, however, these abstracts will no longer be available on needle-sort punched cards but will be presented in bound booklet form carefully referenced to aid in literature searches. The abstracts are also now available on 16or 35-mm microfilm reels or on microfilm reader cartridges and are used in combination with the Thermatrex Index System {548). The Journal of Gas Chromatography expanded its scope to include research in other areas of chromatography in 1969 and changed its name to Journal of Chromatographic Science.…”

“…A patent has been issued (658) for a packing material comprised of a crystalline support such as sepiolite, attapulgite, or vermiculite chemically bonded at the surface by a halide such as the dimethyloctadecylammonium and trimethyloctadecylammonium salts. Halasz (268) described applications for a packing material in which 3-hydroxypropionitrile was chemically bonded to the surface silanol groups of the porous glass, Porasil C (544)• Other novel liquid phases include the use of water for the rapid separation of hydrocarbons at temperatures as much as 300 °C below their boiling points (339, 340); moistened polystyrol for polar compounds including fatty acids (605); polyglycerol and its etherification and cyanoethylated products (193), particularly useful for the separation of fatty alcohols and glycols; poly (esteracetals) and poly (amide-acetals) of high thermal stability crosslinked during column conditioning (146)', poly-m-phenoxylene, a liquid phase found useful in the analysis of polynuclear aromatics, benzpyrene, sterols, and trimethylsilyl sugar ethers (35); a series of polyoxyethylene glycols for polar compounds (190); and the 7-irradiation product of stilbene which is said to be comparable to Versamid 900 as a polar phase for the high temperature analysis of insecticides (177). A ne\v polyester liquid phase prepared by condensation of maleic acid with diethylene glycol proved useful for the separation of methyl esters of fatty acids including the various cis and trans isomers of octadecadienoic acid (642).…”