The phrase "a platform upon" is correct and usable in written English.
You can use it when discussing a physical or metaphorical platform that someone stands on or is using as a tool in order to achieve something. For example, "He built a platform upon which he could share his ideas."
He offers solid protection and a platform upon which the team builds their attacks.
It is a platform upon which countless enterprises can succeed, using Google's content, promotion, functionality, features, and revenue.
Its appeal lies instead in its value as a "platform" upon which programmers can build their edifices of code.
The work presented here can be used as a platform upon which future queueing networks modeling tools can be constructed.
The world watches as Cameron botches and fumbles his way to a platform upon which he might fight the next election.
JP Morgan analyst Malcolm Barr warned that the result "provides a platform upon which Syriza will continue to challenge significant parts of the [bailout] programme".
A podium is a raised platform, upon which one might stand.
The genetically tractable rodent malaria parasite, P. berghei, allows both in vitro and in vivo experimental access to its complete life cycle, providing a powerful platform upon which a versatile protein regulation tool can be imposed.
A platform built upon that product could surely help, too.
Such an interdisciplinary, and inter-institutional collaborative approach provides a united platform upon which stakeholders can come together as collaborators, develop a more complete understanding regarding a complex problem, and tackle these problems with carefully designed, multiple interventions.
As such, there is a need for an organized platform upon which amassing information about archaeal glycosylation (agl) genes can rest.
