\clearpage
\singlespacing
\begin{thebibliography}{77} %77 is width of longest number of your reference?
\small

\bibitem{levinthal69} C.\ Levinthal.
 Mossbauer Spectroscopy in Biological Systems: Proceedings of a meeting held at Allerton House, Monticello, Illinois.
 Editors: J.T.P.\ DeBrunnerand E.\ Munck.
 University of Illinois Press (1969), 22-24.

\bibitem{carrion-vazquez99} M.\ Carrion-Vazquez, A.F.\ Oberhauser, S.B.\ Fowler, P.E.\ Marszalek, S.E.\ Broedel, J.\ Clark, and J.M.\ Fernandez.
 {\it Mechanical and chemical folding of a single protein: A comparison}.
 Proc. Natl. Acad. Sci. USA (1999) {\bf 96}, 3694-3699.

\bibitem{hyeon03} C.\ Hyeon and D.\ Thirumalai.
 {\it Can energy landscape roughness of proteins and RNA be measured by using mechanical unfolding experiments?}
 PNAS (2003) \textbf{100}, 18 10249-10253.

\bibitem{kirton_05} R.S.\ Kirton, A.J.\ Taberner, P.M.F.\ Nielsen, A.A\ Young, and D.S.\ Loiselle.
 {\it Effects of BDM, $[Ca^{2+}]_o$, and temperature on the dyanmic stiffness of quiescent cardiac trabeculae from rat}.
 Am J Physiol Heart Circ Physiol (2005) {\bf 288}, 1662-1667.

\bibitem{saito97} S.\ Saito, M.\ Sasai, and T.\ Yomo.
 {\it Evolution of the folding ability of proteins through functional selection}.
 PNAS Biophysics (1997) \textbf{94}, pp 11324-11328.
% \verb+ http://www.pnas.org/cgi/reprint/94/21/11324 +

\bibitem{gautel} M.\ Gautel.
 Kings College, London.
 Cardiovascular Division.
 Accessed May 31, 2007. \\
 \verb+ http://www.kcl.ac.uk/schools/medicine/research/cardio/pi/gatuel-m.html +

\bibitem{warr} G.\ Warr.
 {\it Homepage}.  U.\ of Sydney, School of Chem.
 Accessed May 12, 2007. \\
 \verb+ http://www.chem.usyd.edu.au/~warr_g/AFM3.jpg +

\bibitem{mutungi96} G.\ Mutungi and K.W.\ Ranatunga.
 {\it Tension Relaxation after Stretch in Resting Mammalian Muscle Fibers: Stretch Activation at Physiological Temperatures}.
 Biophysical Journal (1996) {\bf 70}, 1432-1438.

\bibitem{furst95} D.O.\ F\"{u}rst and M.\ Gautel.
 {\it The anatomy of a molecular giant: How the sarcomere cytoskeleton is assembled from immunoglobulin superfamily molecules.}
 J. Mol. Cell. Cardiology (1995) {\bf 27}, 951-960.

\bibitem{carrion-vazquez00} M.\ Carrion-Vazquez, A.F.\ Oberhauser, T.E.\ Fisher, P.E.\ Marszalek, H.\ Li, and J.M.\ Fernandez.
 {\it Mechanical design of proteins studied by single-molecule force spectroscopy and protein engineering.}
 Progress in Biophysics \& Molecular Biology (2000) {\bf74}, 63-91.

\bibitem{yang06} Y.\ Yang, F. Lin, and G. Yang.
 {\it Temperature control device for single molecule measurements using the atomic force microscope}.
 Rev. Sci. Instrum. (2006) {\bf 77}, 063701.

\bibitem{jones} D.\ Jones.
 {\it Control of Stepping Motors}.
 Accessed May 19, 2007.\\
 \verb+ http://www.cs.uiowa.edu/~jones/step/ +

\bibitem{hanngi90} P.\ H\"{a}nngi, P.\ Talkner, and M.\ Borkovec.
 {\it Reaction-rate theory: fifty years after Kramers}.
 Rev. Mod. Phys. (1990) \textbf{62}, 2, 251-342.

\bibitem{zwanzig88} R.\ Zwanzig.
 {\it Diffusion in a Rough Potential}.
 Proc. Natl. Acad. Sci. USA {\bf 85} (1988), 2029-2030.

\bibitem{yang04} C.\ Chyan, F.\ Lin, H. Peng, J.\ Yuan, C. Chang, S. Lin, and G. Yang.
 {\it Reversible Mechanical Unfolding of Single Ubiquitin Molecules}.
 Biophysical Journal (2004) {\bf 87}, 3995-4006.

\bibitem{nevo05} R.\ Nevo, V.\ Brumfeld, R.\ Kapon, P.\ Hinterdorfer, and Z.\ Reich.
 {\it Direct measurement of protein energy landscape roughness}.
 EMBO Rep. (2005) {\bf 6}, 482-486.




%\bibitem{nih} National Institutes of Health.
% {\it Appendix A: Early Development}.  Accessed March 14th, 2007. \\
% From \verb+ http://stemcells.nih.gov/info/scireport/appendixA.asp +

%\bibitem{nolting00} B.\ Nolting.
% {\it Mechanism of Protein Folding}.
% Proteins (2000) 41, 288-298.

%\bibitem{nolting05} B.\ Nolting.
% {\it Protein Folding Kinetics: Biophysical Methods}.
% Springer, 2nd edition (September 29, 2005).  Accessed March 14th, 2007. \\
% \verb+ http://www.pitb.de/nolting/prot00/index.html +

%\bibitem{nymeyer00} H.\ Nymeyer, N.\ Socci, and J.\ Onuchic.
% {\it Landscape approaches for determining the ensemble of folding
% transition states: Success and failure hinge on the degree of frustration}.
% PNAS January 18, 2000, \textbf{97}, 2 634-639.

%\bibitem{ensing03} B.\ Ensing.
% {\it Chemistry in Water: First Principles Computer Simulations}.
% Thesis. de Vrije Universiteit Amsterdam, defended January 7th, 2003.
% Accessed March 14th, 2007.
% \verb+ http://www.cmm.upenn.edu/~ensing/thesis/report.html +
% \verb+ http://www.cmm.upenn.edu/~ensing/thesis/node9.html +

%\bibitem{epics} EPICS.
% {\it Experimental Physics and Industrial Control System}.
% Accessed May 19, 2007.
% \verb+ http://www.aps.ani.gov/epics/ +

%\bibitem{dill97} K.A.\ Dill and H.S.\ Chan.
% {\it From Levinthal to pathways to funnels}.
% Nature Structural Biology, Vol. 4, No. 1, January 1997.

%\bibitem{lewis98} B.\ Lewis, D.J.\ Berg.
% {\it Multithreaded programming with pthreads}.
% Mountain View, CA : Sun Microsystems Press, 1998.



%\bibitem{veeco} Veeco.
% \verb+ http://www.veeco.com +
%\bibitem{ni} National Instruments.
% \verb+ http://www.ni.com +
%\bibitem{melcor} Melcor
% \verb+ http://www.melcor.com +

\end{thebibliography}
