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Science  24 May 2019:
Vol. 364, Issue 6442, pp. 794
DOI: 10.1126/science.364.6442.794

High-Pressure Parallel Reactor System

Multicell-PLUS from Asynt is a high-pressure parallel reactor system with a wide choice of configurations for optimized screening of chemical reactions. Constructed as standard from durable 316 stainless steel, Multicell-PLUS is an affordable, compact device that can screen 4, 6, 8, or 10 parallel reactions, depending on the configuration chosen. A choice of cell size allows the user to perform reactions in parallel, with volumes ranging from 30 mL to 100 mL, at pressures up to 100 bar and temperatures up to 300°C. The system can be used simply with a hotplate stirrer, for heating only, or can be upgraded to allow for individual heating of every reactor cell. A wide variety of options are available to customize the Multicell-PLUS, including but not limited to multi-zone heating, individual overhead stirrer drives, cell-charging and sampling apparatus, and cell-to-cell isolation, which enables differing chemistries and reaction conditions to be employed without the risk of cross-contamination.

Electrical Stimulation System for Cells

NanoSurface Biomedical offers eCyte 6, an integrated system for long-term electrical stimulation of excitable cells in vitro. Featuring six fully programmable, multimodal stimulation channels and an intuitive software interface, eCyte 6 enables highly flexible pacing experiments. Electrical signals are an important aspect of the native cellular microenvironment. Electrical pacing has been demonstrated to significantly impact the development of cells and tissues in vitro, including the differentiation and maturation of induced pluripotent stem cell (iPSC)-derived cardiomyocytes, neurons, and skeletal muscle.

Miniature 2-Way Inert Solenoid Valve

The LFV Series 8000 2-way inert solenoid valve from Lee Products is ideal for critical flow applications in clinical chemistry, flow cytometry, and hematology machines. These chemically inert, isolation style valves represent the next generation of the classic 2-way, normally closed inert LFV valves, providing an on/off function in a critical fluidic circuit, thus guaranteeing zero dead volume and extremely low internal volume. The valves incorporate a diaphragm seal that isolates the fluid from the inner components, delivering consistently reliable switching performance. They are also rated for bidirectional flow and feature a contoured path design that allows for complete flushing capability. Their small size yields a more compact instrument footprint and means that less fluid is needed, enabling closer valve spacing. Other key benefits include long-life operation, which contributes to reduced maintenance and lower installed cost; low power consumption, ensuring less heat generation; and a smaller power supply.

Particle Analysis Software

WITec introduces ParticleScout, a particle analysis software tool for the alpha300 Raman microscope series. ParticleScout begins by surveying samples with bright- and darkfield illumination to view the particles they contain. Image stitching combines many measured areas for a detailed overview of large areas, and focus stacking allows larger particles to be sharply rendered for accurate outline recognition. The optical images lead to the creation of an automated mask that is used to physically categorize particles of interest and arrange them in a ranked list. A Raman spectrum is then automatically acquired from each particle. The spectra are evaluated, and the particles they correspond to can be identified manually or by using the seamlessly integrated WITec TrueMatch Raman spectral database software. Finally, ParticleScout generates a comprehensive report that features user-selectable combinations of filters and advanced algorithms to show the quantities of selected particles and their prevalence relative to other groups. From large-area imaging to high-resolution spectroscopy, ParticleScout provides insight to scientists in microplastics research, environmental science, pharmaceutical research, geology, food science, and many other fields.

High-Purity Acids for Trace Elemental Analysis

Scientists using inductively coupled plasma optical emission spectrometry (ICP-OES) to perform trace elemental analyses can now benefit from a range of high-purity acids developed by Thermo Fisher Scientific to yield consistent, reproducible results across industrial, pharmaceutical, environmental, and food/beverage laboratories. Tested for elemental impurities in the low parts-per-billion range, these ICP-OES acids give you increased confidence in results when used for sample digestion prior to analysis. Furthermore, the acids meet the American Chemical Society's testing specifications. The range of ICP-OES acids offered currently includes nitric acid, hydrochloric acid, and sulfuric acid—all packaged in PVC-coated glass with color-coded caps for optimal safety and effortless visual recognition.

USB Temperature Data Logger

Achieve effective cold chain management with Cole-Parmer's one-button, plug-and-play Digi-Sense TraceableOne Single-Use USB Temperature Data Logger with Calibration. Each data logger is traceable to National Institute of Standards and Technology standards and comes with a Traceable certificate that guarantees accuracy. These easy-to-use, low-cost units are ideal for ensuring that the temperature and humidity of your items remain at set parameters during transport, storage, or experimentation in the food, pharmaceutical, or laboratory industries. They are made compact to fit anywhere—even inside a small cooler—and include many other useful features. These units are also preprogrammed to measure typical temperature ranges of interest and include alarm setpoints that allow a quick check for outliers. The data loggers autogenerate PDFs when plugged into a computer. No software or driver is required to setup or download data.

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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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