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The human dopamine transporter was expressed in Xenopus laevis oocytes following injection of mRNA isolated from human brain substantia nigra. The specific accumulation of [3H]dopamine into these oocytes was time and Na+ dependent. Furthermore, [3H]dopamine accumulation was prevented by coincubation of oocytes with dopamine (100 microM) or with the dopamine(More)
We report new substrates for quantitative enzyme activity measurements of human palmitoyl protein thioesterase (PPT1) and tripeptidyl peptidase (TPP1) in dried blood spots from newborns using tandem mass spectrometry. Deficiencies in these enzyme activities due to inborn errors of metabolism cause neuronal ceroid lipofuscinoses. The assays use synthetic(More)
The stability and activity of commercial immobilized lipase from Candida antarctica (Novozym 435) in subcritical 1,1,1,2-tetrafluoroethane (R134a) was investigated. The esterification of oleic acid with glycerol was studied as a model reaction in subcritical R134a and in solvent-free conditions. The results indicated that subcritical R134a treatment led to(More)
Frequency-domain correlative cardiography (FCG) is a new non-invasive technique for diagnosing heart disease. FCG was performed in 110 patients who also underwent coronary cineangiography. 12-lead ECG and treadmill exercise testing to determine its diagnostic role in coronary heart disease (CHD). In the group with CHD 61 had true-positive and 8(More)
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