Ownership of and Responsibility for Research Materials

A graduate student gathers dissertation data while working on her advisor's federally funded research project.  Following a disagreement, the student finds a new advisor and leaves the project, taking her laboratory notebooks, microscope slides, and copies of data on computer diskette.  Is she justified in taking her notebooks?  The slides she made?  A copy of the data she collected?  What if there had been no disagreement and, instead, the advisor told the student to take these materials with her, after graduation, explaining that they would be safer in her possession and she would need them to prepare presentations and articles for publication?

K5R says:  It is my opinion that the laboratory notebooks, data and microscope slides belong to the lab, not to the graduate student, and therefore they should stay with the advisor.  Certainly, the situation would change if there was no disagreement and the advisor said it was OK to take them.  I think the originals should stay with the laboratory, however, and the graduate student should take only copies.