Business notebook

Stepping down: Cambridge-based Curis Inc.'s executive vice president and chief scientific officer, Lee Rubin, will step down as scientific chief as the company shifts strategic focus to later-stage development drugs. Rubin accepted a position at the Harvard University Stem Cell Institute.

Agreement: Braintree-based blood-processing systems company Haemonetics Corp. signed a definitive agreement to buy the remaining outstanding shares of private nanotechnology company Arryx Inc. for $26 million.

Emerged: Curative Health Services Inc. emerged from Chapter 11 proceedings as privately held Critical Care Systems International Inc. The Nashua specialty infusions company eliminated $185 million in bondholder debt in less than 75 days.

Access for poor: One Economy, a nonprofit group that uses technology to upgrade the lives of the poor, said it aims to raise $20 million to provide free access to a yet-to-be-created bilingual website, Public Internet Channel.

Contract: Dynamics Research Corp. of Andover received a contract from the Army worth up to $22 million over five years to support the Army's Training and Doctrine Command Analysis Center in Fort Leavenworth, Kan.

Pacific RIM: Research In Motion Ltd. will start selling its Blackberry e-mail device in Japan this year after reaching a distribution agreement with NTT DoCoMo Inc.

Download deal: CBS Corp., which already sells episodes of hit TV shows ``Survivor" and ``CSI" on Google Inc.'s online video store, is now offering the downloads on Apple Computer Inc.'s iTunes Music Store.

Sued: Pfizer Inc. was sued in New York by two men who claim the cholesterol drug Lipitor caused memory loss and nerve damage.

On the runway: JetBlue Airways Corp. disclosed plans to move into the highly competitive New York-to-Washington market with six daily nonstop flights between John F. Kennedy Airport, its home base, and Dulles International Airport in Chantilly, Va., just outside Washington, D.C., beginning Aug. 17.

(Globe wire services)