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Science  10 Oct 2014:
Vol. 346, Issue 6206, pp. 261
DOI: 10.1126/science.346.6206.261-a

Digital Water Baths

A new line of economical general purpose water baths that combine exceptional temperature control with full-featured digital functionality and ease of operation is now available. Designed to accommodate a wide variety of clinical and laboratory applications, these versatile water baths maintain bath temperatures from ambient +5°to 99.9°with ±°stability and ±°uniformity. They are available with 2, 5, 10, 20, or 28 L single chamber reservoirs. In addition to precise temperature control, PolyScience water baths feature a digital temperature readout that displays both the actual bath temperature and set point temperature simultaneously, three user-defined temperature preset buttons for the quick selection of frequently used temperature set points, and an integrated timer. For added operational convenience, all models include a steeply gabled tilting cover that accommodates glassware of varying heights and permits easy loading and removal of samples while allowing condensate to drain neatly back into the bath.

High-Volume Microplates

Precisely manufactured to SLAS/ANSI specifications, Porvair Sciences' 24-well deep-well plates permit users to simply undertake multiple, high-volume (10 mL/well) experiments in a single unit maximizing both productivity and operational flexibility. The 24-well plates are constructed of high-grade, low extractable polypropylene, which imparts excellent temperature and chemical resistance making them the perfect tool for applications including serial dilution, mixing, reaction chemistry, and cell culture growth. The wells are square with a conical base to optimize sample concentration and recovery. The plate dimensions are precisely manufactured to SLAS/ANSI specifications making them compatible with automated liquid handling systems and other robotic sample processing equipment. To enable easy sampling access whilst maintaining sample integrity, Porvair high-volume deep-well plates may be securely sealed with a Santaprene piercable seal. The plates are also easily stackable economizing valuable space in low temperature storage (-80°.


The new Epoch 2 Microplate Spectrophotometer is the first reader to combine a large touchscreen and full onboard data analysis software for simplified and efficient operation and reporting of absorbance-based detection workflows. The 10-inch color touchscreen interface offers an enhanced user experience, with intuitive navigation and a high-resolution display. On-board Gen5 Data Analysis Software provides quick analysis and flexible export and report options at the touch of a few buttons. Data export is expanded via WiFi, Bluetooth, and USB flash drive. To further maximize versatility, Epoch 2 features a spectral range from 200 to 999 nm, selectable in 1 nm increments for -single, -dual, and multi-wavelength measurements in endpoint and kinetic read methods; and also offers spectral scanning and well area scanning. Compatible sample vessels include 6- to 384-well microplates, standard cuvettes, and 2 μL micro-volume samples via BioTek's Take3 Micro-Volume Plates.

High-Resolution Spectrometer

A new high-resolution spectrometer system with picometer resolution capability is now available. The 1.3 m focal length McPherson Model 209 spectrometer with new micro-step drive can make wavelength steps as small as 0.1 pm. Software control is simplified since the wavelength steps are linear for uniform moves over thousands of nanometers free spectral range. The new models also support homing for wavelength calibration. With array detectors, spectral resolution is dictated by the sensors' pixel size and spectrometers focal length. Micro-step scans deliver superior performance and meet or exceed prior published specifications. All McPherson spectrometers are easy to use and can be systems' integrated. All are available with the special micro-step controller with an extensive software package. The step motor controller accepts ASCII commands. The user can specify speed, direction, and step size increment with software commands. LabVIEW libraries and program examples for text-based programming are available.

Row Dilution Plate Holder

A new Row Dilution Plate Holder accessory has been introduced for the VIAFLO 96 and 384 handheld benchtop pipettes. The new row dilution plate holder adds the functionality to perform serial dilutions in rows. The plate holder can easily be adapted to work with either 96- or 384-well plates. The ability to accurately and reproducibly produce dilution curves is essential to improving assay throughput and quality. The VIAFLO 96/384 offers high sample throughput without a robot. It is a handheld bench top pipette, capable of 96- and 384-well pipetting with a choice of various pipetting heads. The VIAFLO 96 benchtop electronic pipette offers an affordable solution to increase productivity when working with microplates. It closes the gap between traditional manual pipettes and robotic systems, allowing for accurate and reproducible 96-channel pipetting. The VIAFLO 384 is a more advanced system, which can work with both 96- and 384-channel pipetting heads to maximize productivity.

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  • Newly offered instrumentation, apparatus, and laboratory materials of interest to researchers in all disciplines in academic, industrial, and governmental organizations are featured in this space. Emphasis is given to purpose, chief characteristics, and availabilty of products and materials. Endorsement by Science or AAAS of any products or materials mentioned is not implied. Additional information may be obtained from the manufacturer or supplier.

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