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Inkjet Technology

JetSpyder

The core of Arrayjet technology, the JetSpyder enables the inkjet print head to be simultaneously primed with multiple samples for microarray printing. The JetSpyder is designed to be compatible with commonly used plate formats for sample storage. In use the array of capillaries, all at suitable spacings, is dipped into the wells of the sample plate, and samples are drawn through the JetSpyder into the inkjet print head. The JetSpyder is then returned to its cleaning station prior to commencement of the printing cycle.

Arrayjet currently offers three JetSpyder options:

JetSpyder variant Nozzles/Sample Apiration volume (ul) Available drops per sample
JetSpyder 12 HC 6 1.9 3000
JetSpyder 12 LV 4 0.7 2000
JetSpyder 32  0.5 1000

Printhead

The piezoelectric print head used by Arrayjet in its Inkjet Microarrayers is manufactured by inkjet specialists Xaar. The print head is suitable for printing nucleic acids, proteins, cell lysates, carbohydrates, blood, nanoparticles and some organic chemistry, onto a range of substrates, including aminosilane, poly-L-lysine, epoxy silane, nitrocellulose, aldehyde, silicon nitride, and gold surfaces.

The print head has more than 100 nozzles, enabling high throughput printing yet with redundancy of print capacity – each nozzle has several “spares” associated with it, enhancing the flexibility of the platform, for example enabling printing of multiple drops per spot (SuperDrop Mode). One can also make repeat prints within the same pass of the print head, drastically reducing printing time. Drop volume is 100 picolitres, forming 100 micron diameter spots on a microarray slide (substrate dependent), permitting the production of high density arrays of over 53,000 features.

 
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