In the lab, we identified the metal complex as the primary electron donor in the catalytic cycle.

The hospital recognized her as a dedicated blood donor after she returned to give donations for the seventh time.

Organ donors often face complicated medical and ethical decisions during the registration process.

The hospital thanked the blood donors who volunteered during the emergency campaign.

The hospital distributed donor cards at the reception desk to encourage registration.

The investigation revealed that several straw donors had been used to conceal the true source of the campaign funds.

In microbial fuel cells, electron donors are oxidized at the anode to generate current.

The Michael donor attacks the α,β-unsaturated carbonyl compound to form a new carbon–carbon bond.

Michael donors pledged to match every contribution during the charity gala.

The presence of a donor-specific antibody in the recipient's blood signaled early rejection of the transplant.