Is this what you meant to do ?
In [7]: x = pd.DataFrame({'one' : ['one', 'two', 'This is very long string very long string very long string veryvery long string']})
In [8]: x
Out[8]:
one
0 one
1 two
2 This is very long string very long string very...
In [9]: x['one'][2]
Out[9]: 'This is very long string very long string very long string veryvery long string'