5610-2137安捷伦VL QuEChERS extrac

QuEChERS Sample Preparation Approach for Mass Spectrometric Analysis of Pesticide Residues in Foods

to achieve “official” status from international standard organizations (AOAC Official Method 2007.01 and CEN Standard Method EN 15662). The main aspects of the QuEChERS approach consists of extraction of a well-homogenized sample by shaking with solvent

Linear amplification of limiting amounts of RNA for gene expression studies

amplification as described (Hoffmann et al ., 2003) with some modifications. Following this, the RNA was used in a microarray screen as described (Cheung et al ., 1999). Our unbiased chip approach identified the En2 , Brn1 , (Pou3f3 ), Sef , Tapp1 and non-coding

Digital Gene Expression by Tag Sequencing on the Illumina Genome Analyzer

Gel pouches (Owl Scientific, cat. no. GP2‐25) 50‐ml conical polypropylene tubes (e.g., BD Falcon) Penguin Owl