new products
INSTRUMENTATION Biomolecular screening. By integrating liquid handling and plate delivery, the LumiTrak system enables highthroughput screening of cellular luminescence assays. Using patented fiber-optic imaging technology for inject-and-read applications, the system performs fastkinetic flash or glow luminescence assays. The system can operate as a stand-alone workstation or it can be integrated into robotic systems. PerkinElmer Capillary LC. A flexible system that can be tailored to specific applications, ProteCol includes a range of capillary LC columns with 150- or 300-µm inner diameters. Researchers may request custom-made columns. Smooth-bore silicalined connecting tubing, filters, splitters, and unions are also available. The tubing ends are square-cut for a zero dead volume connection. SGE
Furnace. LGO series box furnaces have patented light gauge overbend heating elements for fast heat-up, recovery, and reduced processing times. The furnaces provide temperature uniformity for various research and production applications. Standard features include an inert-atmosphere exchange air vent and inlet, thermocouple, safety door switch, and removable shelves. The flowmeter option offers fresh air exchange for ashing applications. Kendro
Microscope. The JEM-2100F field emission electron microscope is designed for advanced electron microscopy techniques, including high-resolution transmission electron microscopy, electron diffraction, cryo-microscopy, in situ microscopy, holography, and tomography, in fields ranging from biology to materials science. This 200-kV transmission electron microscope has a side-entry stage that is easy to tilt and rotate. JEOL Differential scanning calorimeter. As a part of the materials characterization line, the new HP DSC827e covers a pressure range up to 100 bar for optimal calorimetric results. Equipped with a cryostated high-pressure contain© 2004 AMERICAN CHEMICAL SOCIETY
ment device that provides thermal stability, the differential scanning calorimeter (DSC) operates from the Star software platform. With this high-pressure instrument, one can simulate process and operating conditions to test oil and lubricants. This DSC can also be used to analyze hydrogenation and carbonization reactions. Mettler-Toledo
Microarray imager. The VersArray ChipReaders are small laser confocal systems designed for imaging microarrays. The readers have high light collection efficiency and use low laser power to excite the bottom end of the range without saturating the top end. Low background, enhanced weak signal detection, real-time feedback, and very low levels of photobleaching are among the strengths of these instruments. They contain high-efficiency matched optics systems, with each channel’s laser and photomultiplier tube controlled independently through the full range. Bio-Rad Titrator. The compact 799 GPT Titrino performs dynamic and monotonic equivalence-point titrations in addition to set titrations up to two preset endpoints, pH stat applications, and Karl Fischer titrations. Live titration curves are displayed on its full-sized screen, and the stirrer can be controlled during titrations. With the titration procedure feature, researchers can link up to 30 instructions to form a proce-
Ace Glass Argonaut Technologies Bio-Rad Brinkmann JEOL Kendro Mettler-Toledo NIST Parker Balston PerkinElmer Selerity Technologies SGE Thermo Electron Ultrasonic Scientific Vacuubrand
dure. Because two additional burets may be attached to the system, it is possible to use three different titrants.
Brinkmann Gas generator. The FT-IR purge gas generators are designed for use with FT-IR spectrometers. They provide a purified purge gas and air-bearing gas using standard compressed air. Impurities such as water vapor and carbon dioxide are effectively removed. Parker Balston Diaphragm pump. The three-stage MD 4 Vario-SP pumps are compact and oil-free. They have a variable speed of 350–2200 rpm, low vibration, and low noise. The diaphragm and valve life are >10,000 h at 1500 rpm. Features include continuous oil-free pumping, minimum and simple maintenance, and adaptable mounting in any position. Vacuubrand Spectrometer. Compared to other models, the HR-US 102 ultrasonic spectrometer has an extended frequency range, an enhanced user control system, and a digitally controlled stirring system. The unit is ideal for measuring a wide variety of liquid systems, including dilute solutions and concentrated emulsions. Molecular structural changes, thermal transitions, chemical reactions, aggregation formation, and crystallization can be monitored with this instrument. Ultrasonic Scientific
800-223-4524 650-655-4200 510-724-7000 800-645-3050 978-535-5900 800-252-7100 614-438-4511 301-975-6776 800-343-4048 781-237-5100 801-978-2295 800-945-6154 800-532-4752 866-342-5478 973-239-1268
www.aceglass.com www.argotech.com www.bio-rad.com www.brinkmann.com www.jeol.com www.kendro.com www.mt.com www.nist.gov www.parker.com www.perkinelmer.com www.selerity.com www.sge.com www.thermo.com www.ultrasonic-scientific.com www.vacuubrand.net
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new products
Ionization source. The Ion Max universal source for Finnigan mass spectrometers features interchangeable electrospray ionization and atmospheric-pressure chemical ionization (APCI) probes. It has an ultrahigh-temperature, self-cleaning ceramic APCI heater that decreases chemical background noise. The new source allows extremely efficient ion sampling. Thermo Electron
LITERATURE Freezers. This six-page color brochure describes Harris Platinum SI series –85 °C ultralow-temperature freezers, which accommodate up to 30% more inventory than conventional freezers of an equivalent size. Advanced composite thin-wall super insulation allows the 32-cubic-foot (906 L) ultralow freezer to hold up to 700 (2 in.) fiberboard boxes, while the 24.4-cubic-foot (691 L) model holds up to 480 (2 in.) sample boxes. Com-
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prehensive system displays and easy-touse touchpad controls are conveniently mounted on the freezer door. Kendro
LC. Application note describes how temperature programming can enhance HPLC performance. The note contends that raising temperature alone and ignoring other parameters could negatively affect results. It suggests that a temperature gradient can decrease retention time and improve peak shape. Selerity Technologies
CATALOGS
standards are currently available for use in industrial materials production and analysis, environmental analysis, health measurements, and basic measurements in science and metrology. NIST
Synthesis and purification. The Synthesis and Purification catalog for pharmaceutical chemists includes complete descriptions for flash chromatography systems, organic synthesis reagents, and solid-phase extraction columns. A comprehensive desktop reference, the catalog presents a modular approach to organic synthesis and purification.
Argonaut Technologies SRMs. The National Institute for Standards and Technology (NIST) Standard Reference Materials Catalog includes more than 1300 reference materials of the highest quality and metrological value. The catalog lists these reference materials with carefully assigned values for chemical composition and physical properties. The
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Chromatography. This catalog features a line of chromatography columns, fittings, and other accessories. It has epoxy-coated Michel–Miller and flash chromatography columns and includes ion-exchange columns, recycling columns, and related products. Ace Glass
