We are certainly not the first people to examine Coptic manuscripts in the John Rylands.
For just a small sample of scholarship, previous and ongoing, see...
For more information on this collection see:
Information about the catalogued manuscripts: Walter Crum's Catalogue of the Coptic Collection
Information about the history of the collection: Alin Suciu's blog post "The Coptic Manuscripts of Monsieur Dujardin and the Crawford Collection in the John Rylands Library, Manchester"
What is the "limbo papyri"? Jennifer Cromwell, "Unpublished Coptic Limbo in the John Rylands Library, Manchester", Current Research in Egyptology 2008: Proceedings of the Ninth Annual Symposium. pp. 25-30.
Images of the fragmentary "limbo papyri".
The Coptic manuscripts also feature on a number of academic databases such as:
Göttingen Coptic Old Testament Project
Papyri.info
On individual items:
"Warm hoopoe’s blood and cardamom: a Coptic medical text", by Jennifer Cromwell
A document on fiscal administration in early Islamic, by Eline Scheerlinck
If you have particular items you'd like to see added, do get in touch.