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Emissions in East Asia for 1993 by administrative units and source types are estimated to support regional emission assessments and transport modeling studies. contribution is the highest for every species. The area sources are the most significant source type for SO x and NO x , but the fraction due to mobile source is highest for NO x. Major LPSs are(More)
The present study was conducted to characterize the polyphenolic contents of lettuce leaves grown under different night-time temperatures (4, 12, and 20 °C) and cultivation durations (5, 15, and 20 days) using high performance liquid chromatography-tandem mass spectrometry (LC/MS/MS). The assay method was validated based on specificity, linearity, accuracy,(More)
Parkinson’s disease (PD) is a progressive degenerative disorder of the central nervous system. Levodopa (L-dopa), dopamine precursor is the most effective therapeutic drug for PD patients. Levodopa (LDP) and its three metabolites in rat plasma were determined using high performance liquid chromatography coupled with tandem mass spectrometry (LC–MS/MS).(More)
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