**No purchase necessary. This promotion is available only to life science professionals 21 years or older who are registered attendees (excluding vendors) of AAI 2014 in Pittsburgh, and who pre-register for and attend the Attune® NxT Acoustic Focusing Cytometer workshop on May 4, 2014. Qualifying attendees must stay until the end of the workshop to receive the free gift. Free emergency/back-up cell phone charger is available to eligible participants who register for the workshop no later than midnight ET on Saturday, May 3 or until gift supplies are depleted, whichever comes first. The estimated value of the charger is $30 USD. Limit one free gift per person. Healthcare Professionals may not participate in this promotion. By registering, you warrant that you are not prohibited by employment, contract, or law from accepting a gift from Life Technologies. Offer void where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.