DNA in samples. The NIMBUS platform moves the samples from station to station. The company points out that the PCR workstation is vendor neutral, which makes it ideal for genotyping, pathogen detection, se- quencing, etc. Hamilton also introduced workstations for selecting DNA fragments from agarose gels, immunofluorescent staining, and next- generation sequencing.
Arise Biotech (Taipei, Taiwan) displayed the ExMate™ Automated Pipetting System. It is a benchtop instrument that isolates the pipetting from environmental disturbances such as drafts and fingers. It is particu- larly useful in automating PCR and qPCR protocols. The basic LH models are the 401 and 601, but one can add a UV lamp and HEPA filters, and the 401S and 601S heating and cooling modules.
Microsonic Systems (San Jose, CA) introduced the ST30 Personal DNA Sample Prep System that utilizes Bulk Lateral Ultrasonic technology for mixing and shearing DNA into fragments of particular length from 300 to 1500 bp. The ST30 processes up to eight samples/batch, including centrifugation, to provide clean samples in 2-D barcoded vials.
Automated colony pickers Molecular Devices (Sunnyvale, CA) showcased the QPix 400 series for more than just colony picking. It is the fastest microbial colony picker,
capably picking 4000 colonies per hour. Microbial colonies ranging from E. coli, to yeast, to Streptomyces, to fungi and algae are imaged, in white light and fluorescence, to identify colonies of interest. These colonies are rapidly picked and placed into destination plates using organism-specific pins. Fluorescence imaging has given the end user more flexibility for iso- lating only clones of interest, minimizing downstream processing. One of the strongest new features of the 400 series is the sonic agar height sensor, which automatically detects the height of the agar to facilitate picking efficiencies of over 98%.
The custom solutions team of Molecular Devices now enables tailoring of the QPix 400 series (and all Molecular Devices products) to specific user requirements. Custom workstations integrating robotics, incubators, and software algorithms can be created to accomplish specific tasks. One example was on display—the VALet robotic arm from Thermo Fisher Scientific (Waltham, MA), which delivers destination plates for an ex- tended, unattended run time.
In one poster, Dr. Felix Lenk of the Technical University of Dresden in Germany described a workstation called the PetriJet platform for the automated handling of Petri dishes for cell culture. A video camera from Wimass records the experiment, which can involve input and output of 20 dishes. Throughput is 80 plates/hr.
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5/13/2014 4:22:21 PM
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