Meet Bio S&T A foreword by our CEO Upcoming conferences BAC library expertise 3 options BAC sequencing RFQ cDNA and DNA libraries Lambda cDNA/genomic Plasmid cDNA/genomic Normalized cDNA RFQ   Gene synthesis Deliverables and guarantees RFQ Mutagenesis Deliverables and guarantees RFQ DNA sequencing Individual sequencing PCR products END EST clones Whole genome Technology portfolio Drug screening APA technology Sequencing technology APAgene GOLD Walking Kits Retroviral products Other custom services Contact info Site map   Bio S&T offers a wide range of biotechnological services to accommodate all your small or large-scale research needs! Examples of the type of services we perform for our clients include the following:    Customized BAC library construction  Plasmid library construction (cDNA/DNA) Lambda library construction (cDNA/DNA) Site-directed mutagenesis Large-construct DNA engineering Peptide synthesis APA genome walking service Gene synthesis Sequencing Subcloning Gap filling 5’ and 3’ RACE of first-strand cDNAs 5’ and 3’ genomic walking Identifying intron/exon junctions Identifying transgene/genomic DNA junctions Identifying gene traps and transposon-insertion location Bi-directional sequence extension of STSs and EST  Please contact us for more details.