The phrase "astute contributions" is correct and usable in written English.
It can be used to describe insightful or clever input or ideas provided by someone in a discussion or project.
Example: "Her astute contributions during the meeting helped us to identify key areas for improvement."
Alternatives: "insightful input" or "shrewd suggestions".
The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2458/12/801/prepub The authors are grateful to clients and staff of HBAC, Tororo, and CDC Uganda and to Sylvia Nakayiwa and David Katuntu for astute contribution to analysis as well as to Jaco Homsy for insightful comments on the manuscript.
In this, lies Bartlett's most astute and important contribution to our contemporary cultural conversation.
"Notts have a record of starting brightly and then fading but, with some astute signings and key contributions from some of the unsung members of the squad, this could be a year in which Mick Newell's side can sustain their challenge.
They involve a little-watched trash authority, run by one of the governor's top aides, whose stewards became adept at turning trash into cash for well-connected insiders; a law firm that was on both sides of the deal; and a politically astute company skilled at using contributions and contacts to gain influence and government contracts.
(Ironically, Celera's results are in Science, a not-for-profit publication. The public project's contribution appears in Nature, one of the most commercially astute journals around).
After using advanced player performance metrics to rate the contributions of every player selected since 1994, ESPN established that the six most astute teams on draft day had won 11 of the past 13 NFL titles.
Through his work as an archivist, bibliographer and biographer for Allen Ginsberg, Bill Morgan has made significant contributions to Beat scholarship, and he and his co-editor, David Stanford, have made astute selections.
While an important contribution to the literature (the critique of Mr Trevelyan's plan is particularly astute), his analysis left out quite a few moneymaking ventures from the rest of the Bond canon.
Whatever its contribution may have been to the field of communications theory, it was so astute about Times affairs that it was passed around among reporters as a kind of in-house Masters and Johnson.
Fannie Mae is among the most politically astute operators in Washington, well connected to Republicans and Democrats alike via its board, consulting deals and contributions.
