New Products

PP.22 Date:October 3, 1994 Molecular Bio-Products' Turbo Assay System is a membrane and manifold system for a wide variety of qualitative and quantitative assays. The system provides a format for colorimetric and radiometric assays and is said to reduce total assay time to as little as 15 minutes. The disposable 8-well assay strips ensure no cross-talk between samples. The incorporated membrane has a high protein binding capacity and absorbs or entraps the primary reagent. Washes and other reagents may be added in the volume, sequence, and time necessary for the assay. A combination of columns and caps is used with the portable vacuum system. Molecular Bio-Products Inc., San Diego, CA Circle No. 71 on Reader Service Card TiterScreen "sandwich" enzyme immunoassay kits are now available for the qualitative determination of multiple human cytokines in serum, plasma, or tissue culture supernatants. TiterScreen I, Code #8-6651, is for the measurement of IL-1b, IL-6, and TNFa. TiterScreen II, Code #8-6652, is for the detection of IL-2, IFNg, and TNFa. TiterScreen III, Code #8-6653, is for the determination of IL-4, IL-10, and TNFa. Each assay contains a detachable 96- well plate and stable reagents for the qualitative evaluation of three different cytokines using a horseradish peroxidase enzyme conjugate and TMB substrate for detection at 450 nm. Results reportedly are determined in less than three hours and require 100ml of sample. The color-coded wells for each cytokine provide 32 tests per analyte, including standard curve values. Perseptive Diagnostics Inc., Cambridge, MA Circle No. 70 on Reader Service Card MathEdge is a suite of component software modules that allows application developers to integrate symbolic and graphic computation into new products. The technology is said to enable developers to shorten the time to market and reduce costs. The technology is directly embedded into applications for engineering, physics, financial analysis, and education. Waterloo Maple Software, Waterloo, ON Circle No. 69 on Reader Service Card Intelligenetics Inc. and MasPar Computer Corp. announce the release of the MPSRCH 2.0 suite of database-searching programs for the MasPar family of scalable, high-performance computers. MPSRCH contains database-searching tools for determining familial and functional relationships among primary sequence data. The programs are designed for rigorous database searching in a sustainable, high- throughput production environment. MPSRCH uses the full Smith-Waterman algorithm with improved statistical analysis methods and enables users to retrieve sequences from the databases using a cDNA query. The software can be used to identify related family members or to characterize novel sequences. Intelligenetics Inc., Mountain View, CA Circle No. 68 on Reader Service Card GENE BRIGHT is a similarity search board that incorporates the rigorous Smith-Waterman primary sequence search algorithm along with custom-designed LSI chip technology. GENE BRIGHT enables researchers to use their personal computers to search against the major databanks and to identify remote evolutionary relationships and functional structures of DNA and protein sequences. Hitachi Software Engineering America Ltd., San Bruno, CA Circle No. 72 on Reader Service Card The ScreenTest recombinant screening kit enables researchers to perform three-hour, polymerase chain reaction (PCR)-based recombinant insert analysis directly from transformed colonies. Overnight inoculations, DNA minipreparations, and restriction enzyme digestions are not required. The kit's primers contain highly conserved complementary sequences designed to be asymmetrical to the multiple cloning sites in plasmids. This allows users to determine insert presence and orientation by agarose gel analysis of the PCR-generated products. When combined with a user-defined, insert-specific primer, characteristic banding patterns verify insert orientation. Stratagene, La Jolla, CA Circle No. 58 on Reader Service Card The Infinity Shaker Model I is the first in a series of new shakers for biotechnology and pharmaceutical research. The motion of the shaker platform is independently controlled in each Cartesian direction to create a figure-eight pattern, rather than simple circular or translational motion. The sense of motion is repeatedly reversed between clockwise and counterclockwise, resulting in more effective mixing with higher turbulence and higher oxygen-transfer rates. Hyperion Research Corp., Upper Montclair, N.J. Circle No. 59 on Reader Service Card The b-RAM is an online radioactivity quantitation system of 3H, 14C, 32P, 35S, and other beta or soft gamma emitters for high-performance liquid chromatography techniques. The system, housed in a compact, stackable unit, includes data- acquisition/data-processing software that follows GLP guidelines; two independent radio channels; three analog inputs for mass detectors; four analog outputs for chart recording and chromatography systems; remote-control ports for automatic sample processing; programmable scintillator pump; high-precision mixer; front-panel liquid connections; solid or liquid scintillant cell types; and detector shielding. Sample data can be sent in real time or stored for post-run processing. IN/US Systems Inc., Tampa, FL Circle No. 60 on Reader Service Card PSI-Plot Version 3.0, a technical plotting and data- processing software package, now includes a number of new features and capabilities, such as: ordinary differential equation solvers; customized desktop color control; on- screen rulers; EMS and XMS usage control; and new plot types, such as pie chart and ternary plot. The programUs data sheet performs complete statistical analyses, data transformation, digital signal processing, nonlinear parameter fitting, and model development. PSI-Plot 3.0 also offers many 2-D and 3-D plot types. Poly Software International, Salt Lake City, UT Circle No. 61 on Reader Service Card The Markson Science MicroCam SLR converts any microscope slide to a photo document. The unit is said to easily adapt to any microscope, facilitating documentation of experimental results. It enables users to view results multiple times without going back to the microscope. Markson, Hillsboro, OR Circle No. 67 on Reader Service Card The general-purpose interface bus (GPIB) kit is designed for controlling graphics peripherals or test equipment with Silicon Graphics' Indigo2 or Indy workstations running on the IRIX 5.2 operating system. The GPIB-SG-S kit features a GPIB-SCSI-A controller, NI-488M multitasking software, and SCSI cable, enabling graphics application developers and users to interface with all GPIB-based graphics peripherals, including film recorders, scanners, and color copiers. National Instruments, Austin, TX Circle No. 62 on Reader Service Card The Eppendorf EDOS can be programmed to operate in six different modes: standard pipetting, repetitive dispensing of single or multiple volumes, titration, serial dilution, sample mixing, or manual mode for customized sample dispensing. The calibration can be readjusted in each routine for more accurate pipetting of viscous samples. The software self-calibrates the system to reduce operator error and interassay variation. It also supports an RS232C interface to connect the EDOS system to personal computers. Brinkmann Instruments Inc., Westbury, NY Circle No. 63 on Reader Service Card The instrument, which measures dissolved free oxygen noninvasively, determines oxygen concentration by phosphorescence quenching of nontoxic probe molecules, based on phosphorimetric technology. Oxygen levels from saturation down to less than 0.01 Torr (10-8 M) can be measured. The technique has been used for in vitro metabolic assays of cell organelles, cells, and perfused organs as well as in vivo research and is nearing Food and Drug Administration approval for clinical applications. Medical Systems Corp., Greenvale, NY Circle No. 64 on Reader Service Card The Genotyper software package takes polymerase chain reaction-based DNA fragment data generated by the company's Automated Genotyping System and automatically transforms it into genotype. It identifies and scores alleles, equates peak ratios, and determines peak statistics. The software can also help locate genotyping errors or misinheritance through its error-identification features, such as the Mendelian Inheritance checker. It offers user-definable templates for customized analysis of DNA sizing, quantitation, and data pattern comparison. Perkin-Elmer Corp., Norwalk, CT Circle No. 65 on Reader Service Card The new FP 1000 Visualization System provides electronic instant photography for visualization and documentation and is intended to replace traditional photographic cameras. The system reportedly cuts electrophoresis gel documentation costs by 90 percent. Stains of any type, wet gels, or audioradiagrams are said to be photographed in just seconds. The FP 1000 incorporates a high-resolution CCD camera with a 600 nm filter, a 256 gray scale thermal printer, a monochrome 9-inch monitor, and a low-profile darkroom with a viewing port. Ultra-Lum Inc., Carson, CA Circle No. 66 on Reader Service Card The DNA Isolator is a ready-to-use reagent that enables extraction of RNA-free, high-molecular-weight genomic DNA up to 100 Kb from a variety of tissue and cell culture samples. It is provided as a chaotropic cocktail that contains no phenol. The reagent lyses and solubilizes DNA and RNA in one step. By adding chloroform and mixing, the researcher creates a biphasic solution, in which DNA is partitioned in the aqueous phase while RNA and proteins remain in the organic phase. Genosys Biotechnologies Inc., The Woodlands, TX Circle No. 208 on Reader Service Card The Predicta GM-CSF ELISA kit may be used to measure granulocyte macrophage colony-stimulating factor (GM-CSF) in human serum, plasma, and tissue culture fluid specimens. It features precoated breakaway wells on a microtiter plate, TMB substrate, and all reagents needed to perform multiple runs. Genzyme Corp., Cambridge, MA Circle No.200 on Reader Service Card The Histone H3 mRNA Probe is an S-phase-specific, hapten- labeled device that can be used as a cytoplasmic marker of proliferating cells in routinely processed tissue with in situ hybridization. The long, single-stranded probe design is suitable for mRNA hybridization and signal generation. As a cytoplasmic marker, it is also appropriate for double- staining procedures with nuclear antigens. DAKO Corp., Carpinteria, CA Circle No. 201 on Reader Service Card Intelligent Quantifier Image Analysis Software is a self- installing, self-tutoring program that supports whole-band one-dimensional analysis, two-dimensional electrophoresis, blot analysis, and colony/plaque counting. Researchers can annotate and compare images and prepare reports by using Microsoft Excel and Word, Lotus 1-2-3, and WordPerfect. Bio Image's 2-D Analysis Software program is designed to acquire sample images, locate and automatically quantify spots, build image databases, and identify key proteins on one sample and compare them with any others in the customized database. The software determines a precise boundary for each spot and uses the results to calculate location, size, spot intensity, and percent intensity. Bio Image, Ann Arbor, MI Circle No. 202 on Reader Service Card FluoroNanogold combines fluorescence and gold into a single immunoprobe for immunocytochemistry at both the light- and electron-microscope levels. The product has applications in cell biology, immunology, and biomedical and clinical research. Nanoprobes Inc., Stony Brook, NY Circle No. 203 on Reader Service Card Sterivex Syringe-Operated Filter Units are available in 50- per-pack bulk packages. The filter units provide 10 cm2 of filtration area and can process up to 1,000 ml of aqueous biologicals. Sterivex-GV (0.22 mm) and Sterivex-HV (0.45 mm) units incorporate low-protein-binding Durapore membranes for filtration of tissue culture media, media additives, and other solutions. Sterivex-GS (0.22 mm) units incorporate membranes of mixed cellulose esters for filtration of dyes, stains, and buffers. Millipore Corp., Bedford, MA Circle No. 204 on Reader Service Card The IsoTherm DNA Sequencing Kit includes IsoTherm DNA Polymerase, the product of the cloned DNA pol I gene of the thermophilic bacterium Bacillus stearthermophilus (Bst), modified to remove 5+-3+ exonuclease activity. With a high optimum temperature (65!C), the kit can sequence through regions of secondary structure or high GC content. Epicentre Technologies, Madison, WI Circle No. 205 on Reader Service Card The 3UV Benchtop Ultraviolet Transilluminator is designed for researchers requiring multiple wavelengths for gel viewing. It provides long (365 nm), midrange (302 nm), and short (254 nm) ultraviolet wavelengths. Two filter sizes are available--21 x 26cm and 20 x 20cm. UVP Inc., Upland, CA Circle No. 206 on Reader Service Card The ProGard Filter pipette tip line now includes Mini and Ultra Micro Thin tips, specifically designed for use with Pipetman P-2 and P-10 pipettors and with Eppendorf UltraMicro pipettors, respectively. A hydrophobic, inert filter material in the pipette tip is said to prevent aerosols from entering the tip cone of air-displacement pipettors. Ultra Micro pipette tips with ProGard filters are available in presterilized hinged, covered, autoclavable 8 x 12 formatted racks. Elkay Products Inc., Shrewsbury, MA Circle No. 207 on Reader Service Card SigmaSuite for Windows is an integrated software package that includes SigmaPlot, SigmaStat, and SigmaScan/Image, which function together on the same data worksheet and eliminate the need to convert data from one format to another. Using a common worksheet (16,000 columns by 65,000 rows) and data transform language, users can measure images with SigmaScan/Image, analyze the data with SigmaStat, and graph research results with SigmaPlot. Jandel Scientific Software, San Rafael, CA Circle No. 199 on Reader Service Card The Quantimet 600 system for automatic analysis of microscope images can handle up to 4,096 x 4,096 pixels per image and features a morphological processor to enhance images, discard unwanted detail, and speed gray-scale processing. It is operated from a graphical user interface with QWin interactive image-analysis software. The system offers a variety of dedicated solutions to meet the needs of users in the pharmaceutical, food-processing, environmental- monitoring, and other industries. Leica Inc., Deerfield, IL Circle No. 209 on Reader Service Card Gelman Sciences' Sterilized Petri Dishes are designed to allow one-hand opening and provide a tight seal to lock in humidity. Sterilized by gamma radiation, the dishes are intended for use with a 47 mm membrane filter, absorbent pad, and microbiological media to culture microorganisms. They are available with or without preloaded absorbent pads. Gelman Sciences Inc., Ann Arbor, MI Circle No. 210 on Reader Service Card

New Products

The Scientist Staff

Interested in reading more?

Become a Member of