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News & Events - NanoPrint Press Release

Dehumidification and interstitial printing features added to NanoPrint microarrayers.

Sunnyvale, CA, August 25, 2005 – Dehumidification and interstitial printing features allowing double-density "orange packing" spotting patterns are now available on the NanoPrint microarrayer. With the dehumidification option, the NanoPrint becomes the first microarrayer in the world with a fully active humidity control system to both add and remove humidity from the microarraying chamber. When combined with interstitial printing, greater density print runs are possible, even with hygroscopic printing buffers that increase spot diameter. As Peter White, Technical Director of the Functional Genomics Core at University of Pennsylvania explains, "The environmental control system on the Nanoprint allows us to precisely set and control the humidity for our microarray printing applications. In the past, high humidity levels have led to significant delays while we wait for less humid days. However, with the Nanoprint’s unique ability to dehumidify and humidify as needed we can print all year around and we no longer experience wasted print runs as a result of variations in weather conditions. Moreover, the ability to dehumidify has allowed us to use drier printing environments, which when combined with the NanoPrints precision printing and double density (orange packing) printing option, allows us to print over 30,000 elements when using DMSO. This represents over a 50% increase in our spots per slide capacity. " With the move of various types of microarrays into more critical applications, such as diagnostics, greater control of the environment and spotting patterns will lead to better and more reliable microarray manufacturing." Dehumidification and interstitial printing features add additional functionality to the NanoPrint Microarray product line, creating greater distance between ArrayIt® and the competition.

Figure 1. Screen shot of the interstitial microarray printing option, allowing double-density "orange packing" spotting patterns on ArrayIt's NanoPrint Microarrayers. This is one of many new features enabled by NanoPrint's Microarray Manager Software.

About TeleChem International, Inc.
TeleChem is a privately owned company with products and services provided by three corporate divisions: Life Sciences (ArrayIt®), Chemicals, and Diagnostics (NGS-ArrayIt, Inc.). The Life Sciences division offers a complete line of products and services for the microarray industry, a high-technology sector that uses tiny glass “chips” to decipher the human genome. TeleChem’s patented microarray manufacturing technology (U.S. 6,101,946) and supporting products are used in more than 10,000 company and university laboratories worldwide. The Chemicals division provides import and export services and government contract manufacturing in the area of industrial chemicals for plastics, fire control, water treatment, agriculture, and industrial and institutional compounding. The Diagnostics Division (NGS-ArrayIt, Inc.) has recently received a landmark patent (U.S. 6,913,879) from the United States Patent Office for its revolutionary “multi-patient” genotyping technology, which allows as many as 100,000 patients to be tested on a single microarray. NGS-ArrayIt plans to begin offering its patented genotyping and disease diagnostics methods to current and new users in the form of testing kits, services and technology transfer licenses.

Media Contact
Paul Haje
Director of Public Relations
408-744-1331
Email:paul@ArrayIt.com