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11 DECEMBER 2020 • VOL 370 ISSUE 6522 1353SCIENCE sciencemag.org/custom-publishing

LIFE SCIENCE TECHNOLOGIES Produced by the Science/AAAS Custom Publishing Office

Cell Culture AnalyzerThrive Bioscience introduces CellAssist, which enables cell culture researchers to image, analyze, and document all cells, ����������������������������������������centralized database. CellAssist raises the bar for adherent cell culture by imaging and analyzing all the cells in a plate, not just cells chosen during typical manual inspection. Minutes after inserting a standard multiwell

plate, CellAssist captures, analyzes, and displays hundreds of �� ���������������������������������������������������������� ������������������ ���������������� ������������������������-sis software allow researchers to comprehensively review images ��������������� ��������� ���������������������� ����������laboratory.Thrive Bioscience

For info: 978-720-8044

www.thrivebiocellassist.com

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 availability 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.

Electronically submit your new product description or product literature information! Go to www.sciencemag.org/about/new-products-section for more information.

Bioactive Proteins

Abcamís new premium-grade bioactive proteins are highly active ������� ����������������������������������������������������of cell culture, including cell and gene therapy and regenerative medicine. Sourcing high-quality proteins with batch-to-batch con-sistency can be a challenge, as endotoxin levels and/or nonnative ���������� ���������������������������������������������������safety and performance. These proteins are manufactured in mam-malian cell lines under animal-free conditions, limiting endotoxins to ultralow levels [<5 endotoxin units (EU)/mg]. The use of mam-malian cell lines produces proteins with the desired conformation ���������������������������������������� ��������������������They resemble the proteinsí native state, helping to ensure a safe, consistent outcome during drug discovery, development, and manu-facturing. Developed by a team of industry-expert protein scientists, each batch is validated using state-of-the-art technology to ensure integrity, purity, concentration, monodispersity, and correct folding. Abcam can also design, manufacture, and validate proteins to cus-���������������������������Abcam

For info: 888-772-2226www.abcam.com

Eight-Position Parallel Reaction StationThe DrySyn OCTO Mk II from Asynt is an eight-position reaction station that provides chemists with powerful magnetic stirring, �������������������������������� ���������������������������������OCTO Mk II is an ideal tool for chemists performing syntheses and screening reactions in parallel. Accommodating individual reaction volumes of up to 6 mL, this reaction station has been designed to use standard low-cost reaction tubes to minimize your expenditure on consumable items. To further increase your parallel-synthesis productivity, up to three stations can be used together on a single standard magnetic hotplate stirrer, enabling you to perform up to 24 simultaneous reactions.AsyntFor info: +44-(0)-1638-781709www.asynt.com

Quantitative ELISA to Measure SARS-CoV-2 Antibodies

EUROIMMUN, a PerkinElmer company, has launched the Anti-SARS-CoV-2 QuantiVac ELISA (IgG) to quantify immunoglobulin G (IgG) an-tibodies against the SARS-CoV-2 S1 antigen. This quantitative test kit applies a recombinant S1 subunit of the SARS-CoV-2 spike protein, enabling detection of IgG antibodies, which have been the focus of vaccine development programs as well as discussions about possible immunity in previously infected individuals. This new ELISA assay supports careful evaluation of an important antibody subgroup ������������������ ������������������ ���������������������������-body concentration. EUROIMMUN has increased its ELISA production for COVID-19 diagnostics to more than 3 million tests per week and can supply large numbers of dried-blood spot collection sets for up-coming seroprevalence and vaccination development studies. Large international reference laboratories have implemented EUROIMMUN SARS-CoV-2 assays, and the tests are being applied in an increasing number of epidemiological studies worldwide. PerkinElmer

For info: 800-762-4000www.perkinelmer.com

�������� ������������

������������������� �������� ���� ���� ����������������� � ��enables researchers to purify exosome samples in the standard 96-well plate format. The kit is based on the increasingly popular ���������������� � ������������� � ����������� ��������-tion now used by most exosome research labs. Exo-spin 96 and Exo-spin mini columns have identical column dimensions and resin-bed length, allowing scale up from small to large sample numbers using the same protocol, which takes less than 1 h to complete and allows automation in the standard 96-well format. Advanced manufacturing techniques and stringent quality control systems used in the production of Exo-spin 96 kits ensure sample-to-sample consistency.Cell Guidance SystemsFor info: +44-(0)-1223-967316cellgs.com/products/exo-spin-96.html

Durable Mirrors for High-Power LasersOptical Surfaces produces extremely durable, high-performance coated mirrors up to 600 mm in diameter for use with high-power femtosecond lasers. Employing the latest dielectric coating technol-ogy, these mirrors provide minimum pulse distortion and maxi-mum usable bandwidth. When used with high-power femtosecond lasers operating at 750 nm to 850 nm, Optical Surfaces mirrors are designed for use at power densities exceeding 1 J/cm2 for high-frequency 50-fs pulses without deterioration. Produced from ma-�������������������������������������������������� �����������parabolic mirrors are designed to optimize the performance of rapid-pulsed, high-power lasers. All surface accuracies are checked by interferometer and are guaranteed to meet lambda/10 peak-to-valley (p-v) wave accuracy with low scatter. Typical applications for these extremely durable mirrors include plasma physics, laser manufacturing, and telecommunications.Optical SurfacesFor info: +44-(0)-208-668-6126www.optisurf.com

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