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Patients with tumors involving hepatic vein at the caval-confluence usually receive major hepatectomies or hepatic vein grafting; however, nonnegligible postoperative mortality and morbidity are associated. Authors introduced the tumor-vessel detachment for colorectal liver metastases. Then we reviewed our results applying this approach in patients with colorectal liver metastases in contact with...
The components of seven matrices in the analysis of 11 pesticides by GC-ECD were analysed. The matrix effect was calculated based on the changing of chromatographic response of the analyte in the presence of co-extractives of the matrices in the organic phase obtained by solid–liquid and liquid–liquid extraction with partition at low temperature (ESL-PBT and ELL-PBT), in relation to the response of...
The extent of conversion of the reaction between sec-butyllithium and p-divinylbenzene was evaluated by quantitative gas–liquid chromatography. The reaction of stoichiometric amounts of ultra-high purity sec-butyllithium with pure p-divinylbenzene at 0°C produces an anionic initiator, 1,4-bis(1-lithio-3-methylpentyl)benzene, 2, in essentially quantitative yields, with low concentrations of monofunctional...
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