Sentence examples for I however for from inspiring English sources

As mentioned above, no significant difference in HDAC expression was observed for class I; however, for classes II and IV, there was a decrease in expression of these genes in glioblastoma compared to that in other groups.

Is however, for example, an adverb, a conjunction, a conjunctive adverb or just a "transitional expression"?

I, however, climb for two hours through ancient forest splashed with colourful prayer flags, but it's worth every step.

IGF-I, however, is important for these cells.

I, however, am totally for it.

I, however, do, because I work for the ICC European Development Program.

Is it viable, however, for an artist that isn't Daft Punk to simply not tour?

I was unprepared, however, for quite how this can polarise a panel (one judge's favourite was another's "over my dead body").

(I say 'simply', however, for a large window, yes, this is probably not a job for a slight individual).

The thing is, I stayed, however briefly, for me – not for the men in question.

Not to worry, however, for I was a well-informed boy and I knew what would soon come to pass.