%\documentclass[letterpaper, draft]{article}
\documentclass[letterpaper, 12pt]{article}

\usepackage[top=1in, bottom=0.75in, left=0.75in, right=0.75in]{geometry}
\usepackage[onehalfspacing]{setspace}
%\usepackage[singlespacing]{setspace}
%\usepackage{fullpage}
\usepackage{graphicx}   % to include images
\usepackage{subfig}
\usepackage{calc}       % needed to vertically align figures
\usepackage{amsmath}
\usepackage{appendix}
\usepackage[pdftex,
%	backref,	% adds `backlink' from bibliography to text as list of section numbers
% pdf information options
	pdftitle=Temperature dependent protein unfolding,
	pdfauthor=Trevor King,
	pdfsubject=Oral qualifier, % pdf display options
	pdfstartview=FitH	% fit page to window (Fit, page; FitH, width; FitV, height)
	]{hyperref}

\DeclareGraphicsRule{*}{mps}{*}{} % if you don't recognize the type, it's mps

\title{Temperature dependent protein unfolding}
\author{Trevor King}
%\institute{Drexel University}
\date{\today}

\newcommand{\dg}{\ensuremath{^{\circ}}} % degree symbol ^o
\newcommand{\E}[1]{\cdot10^{#1}}        % power of 10
\newcommand{\U}[1]{\text{ #1}}		% units shortcut
\newcommand{\deriv}[2]{\ensuremath{\frac{\text{d} #1}{\text{d} #2}}}
\newcommand{\pderiv}[2]{\ensuremath{\frac{\partial #1}{\partial #2}}}
\newcommand{\pderivn}[3]{\ensuremath{\frac{\partial^{#1} #2}{\partial #3^{#1}}}}
\newcommand{\evencolwidth}{0.48\textwidth}

% struts for table spacing
\newcommand{\Tstrut}{\rule{0pt}{2.6ex}}
\newcommand{\Bstrut}{\rule[-1.2ex]{0pt}{0pt}}

% and for alignment
\newsavebox{\tempbox}

\newenvironment{packed_enum} {
 \begin{enumerate}
  \setlength{\itemsep}{1pt}
  \setlength{\parskip}{0pt}
  \setlength{\parsep}{0pt}
} {\end{enumerate}}

\newenvironment{packed_item} {
 \begin{itemize}
  \setlength{\itemsep}{1pt}
  \setlength{\parskip}{0pt}
  \setlength{\parsep}{0pt}
} {\end{itemize}}

%-----------------------end preamble-------------------------

\begin{document}
\begin{titlepage}
\vspace{\stretch{1}}
\maketitle
\vspace{\stretch{1}}
\input{abstract}
\vspace{\stretch{2}}
\thispagestyle{empty} % no page number on first page
\end{titlepage}

\input{intro}
\input{procedure}
\input{conclusions}

\input{appendix}

\addcontentsline{toc}{section}{References}
\input{mainref}	% include bibliography

\end{document}

