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Science  08 Nov 2013:
Vol. 342, Issue 6159, pp. 753
DOI: 10.1126/science.342.6159.753-a

PROGRAMMABLE CIRCULATING BATHS

A line of highly sophisticated circulating water baths makes it simple to create and run multistep ramp and soak temperature programs as well as frequently used single-temperature testing protocols. Designed with the work habits and needs of laboratory personnel in mind, the Performance Programmable Circulating Baths feature an icon-driven touchscreen display that makes selecting and setting operational parameters simple and straightforward. A built-in electronic keypad speeds and simplifies the entry of text and numerical values. Available in both refrigerating/heating and heat-only models, the baths control water temperatures as broad as -40°to +200°with ±05°stability and feature OpenMode programming, which places no restrictions on the number of time/temperature programs or steps that can be stored. Highly customizable, they feature a variety of user-settable operational parameters, including the size, style, and type of temperature information that is displayed as well as the menu/display language.

FLAME BURNER

The innovative Fuego SCS Series provides maximum safety and highest convenience for all flame-related applications in the laboratory. The Fuego SCS offers more convenience through the new graphic display and comfort functions. The animated, self-explanatory, and wordless symbol display facilitates a rapid and easy selection of all functions. To assist the user the new comfort functions provide: zero-pressure shut off, gas consumption display, cooling reminder for inoculation loops, temperature regulation for heating media, user account selection, graphical installation instructions, and acoustic signals as operating aids. Fuego's streamlined design reduces air flow disturbances in laminar flow hoods. The Safety Control System (SCS) demonstrates state-of-the-art safety technology which constantly analyzes potential hazards and, if necessary, initiates safety measures, such as an interruption of the gas supply. Exceptional passive safety features include a residual heat display that will signal that the burner head is still hot in order to protect the user from burns.

PIPETTE FILLING AND DISPENSING

The PIPETBOY pro sets the benchmark for fast, accurate pipette filling and dispensing. The accuracy of pipetting depends on precise graduations on your serological pipette and on your ability to accurately match the liquid's meniscus with the graduation mark. The PIPETBOY pro enables the user to very accurately displace liquid in the pipette by applying variable finger pressure on its pipette triggers. To operate a PIPETBOY pro simply fully press the aspiration trigger to quickly draw liquid into the pipette until almost full, then gradually release the trigger to reduce speed and accurately match the meniscus to the graduation mark. Similarly, when dispensing, slightly press the trigger for drop-by-drop dispensing of liquid, or fully trigger the powerful pump motor for fast emptying of the pipette. Accurate and reliable results can be achieved quickly even by occasional users at pipetting speeds of up to 12 mL/sec.

MICROPLATES

The Krystal 2000 microplate range has been designed to address performance, limiting well-to-well crosstalk inherent in most assay plates. Unique individual clear cups molded into either a black or white polypropylene matrix eliminate crosstalk and improve the sensitivity, photometric accuracy, and repeatability of the bottom reading for absorbance, fluorescence, and luminescence measurements. The Krystal 2000 range is fully compatible with all commercially available plate readers, robotic sample processors, and automated liquid handling systems. Constructed in ultrapure-grade polystyrene, Krystal 2000 microplates are available in opaque white, solid black, and black and white combination formats. For sensitive fluorescence measurements the black plate provides the all-absorbing background needed to minimize background interference. The opaque white plate maximizes reflectivity enabling even weakly emitting luminescence assays to be routinely undertaken. The unique design also offers improved cell binding efficiency and allows the convenience of direct measurements on bottom reading spectrophotometers and inverted microscopes.

MICROCENTRIFUGES

Designed to meet the specific requirements of a wide range of research applications, Microfuge 20 and 20R microcentrifuges are efficient and easy to use. Paired with Microfuge series rotors, the compact instruments provide flexibility and reliable, precise performance while occupying a small footprint. Processes are performed seamlessly, and include nucleic acid and protein preparation; pelleting, extractions, purifications, concentrations, phase separations, and receptor binding; and rapid sedimentation of protein precipitates, particulates, and cell debris. Entry and recall of up to 10 user-defined programs is facilitated by an easy-to-use interface and saves setup time for common protocols. Increased energy efficiency lowers utility costs. Samples can be processed at speeds up to 15,000 rpm (20,627 x g) in the Microfuge 20 and in the 20R, a refrigerated version with a temperature range of -10°to 40°

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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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