The phrase "as yet unavailable" is correct and usable in written English.
It can be used to indicate that something is not currently available but may become available in the future.
Example: "The new software update is as yet unavailable, but we expect it to be released next month."
Alternatives: "not available yet" or "currently inaccessible".
Such a delivery system, which is as yet unavailable, will benefit not only peptide and protein drugs, but other poorly absorbed drugs.
The work of all three was as yet unavailable in the US, but all were published by the Olympia Press, the literary importance of which has never got through to the French reading public.
Figures for 2010 are as yet unavailable but, according to data collated by the PHA, the number of deaths registered as suicides last year looks set to exceed the 260 identified in 2009.
Now it's widely known that Apple Computer Chief Executive Steve Jobs Steve Jobs is a big Beatles fan and that he personally wants to get the group's music catalog the vast majority of which is as yet unavailable in any legally downloadable form for the iTunes Music Store, which is central to the row.
ThinkProgress notes that a sixth vendor has been added, but says that its catalog is as yet unavailable to prisoners in New York.
Future work, when specific antibodies become available, needs to determine whether this up-regulation at the mRNA level is reflected in increased KA1 protein expression (as subunit specific radioligands are as yet unavailable), as well as determine the extent to which stress-induced glucocorticoid secretion may be involved in these changes.
An example of head of the line blocking in a healthcare setting may be a patient ready for discharge from the ED, but waiting for an as-yet unavailable bed on a ward.
J. lividum is known as secreting at least two exochitinases (Gleave et al. 1995), while for L. enzymogenes completely characterized chitinases A are as-yet unavailable.
In the letter, the privacy commissioners said they wanted a demo of the as-yet-unavailable product.
Sync TV downloads will not be compatible with iPods, but will be "available on as-yet-unavailable portable devices".
Maybe that's why he was able to recruit Mickey Rourke and notorious country music leftist Kris Kristofferson - bless his soul, that can't be easy - to act in the song's as-yet-unavailable video (there's a "lyrics video" out, which can be seen at the end of this post).
