The phrase "able to donate a" is correct and usable in written English.
It can be used when discussing someone's capacity or willingness to contribute something, typically in a charitable or supportive context.
Example: "She is able to donate a portion of her salary to the local food bank each month."
Alternatives: "capable of contributing a" or "willing to give a".
Fortunately, her sister was able to donate a kidney to her last year.
Her parents, Cesar and Alicia Aranda, were told that one of them might be able to donate a partial liver to save their daughter.
In Portland, Oregon, and Chapel Hill, North Carolina, we incorporated fund-raising events with gigs and were able to donate a portion of the profit to patient support funds at the local cancer centers.
I had a show at LIKEME Lighthouse, a really great queer resource center, and was able to donate a good amount of money to them which felt really good.
My husband and I have a very special date approaching: our second "transplantiversary". I was lucky to be able to donate a kidney to him on July 20 , 2012 about a month before I turned 40 (which sure put that milestone in perspective!).
In fact, in the reduced state, the thiol group of cysteine is able to donate a reducing equivalent (H+ + e−) to other unstable molecules, such as ROS.
He also told the Tribune that he believes he should be able to donate an unlimited amount of money to Super PACs.
Specifically, we found that upon binding to hemoglobin, 5-hydroxyprimaquine is able to donate an electron to the hemoglobin-bound O2.
1q In addition, they were able to donate an electron to the cis-diphenylcyclopropane 11, ultimately affording the 1,3-diphenylpropane 12 as a product.
In a recent Guardian interview Lebedev shrugged off a fall in value of his stocks from $1bn to $300m; he and his son, Evgeny, were still able to donate $500,000 to a charity run by American Vogue editor-in-chief Anna Wintour.
"It makes me so happy that he was able to donate to a charity on my behalf that helped people with both needs and educational benefits," she wrote.
