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Revision: 78
Committed: Thu Aug 15 15:40:04 2002 UTC (22 years, 1 month ago) by mmeineke
Content type: application/x-tex
File size: 13611 byte(s)
Log Message:
fixed some figures almost done with slides

File Contents

# User Rev Content
1 mmeineke 49 % temporary preamble
2    
3 mmeineke 54 %\documentclass[ps,frames,final,nototal,slideColor,colorBG]{prosper}
4    
5 mmeineke 64 \documentclass[portrait]{seminar}
6 mmeineke 63 \usepackage[usenames,dvips]{pstcol}
7     \usepackage{semcolor}
8     \usepackage[dvips]{color}
9 mmeineke 69 \usepackage{graphicx}
10     \usepackage{subfigure}
11 mmeineke 49 \usepackage{amsmath}
12 mmeineke 52 \usepackage{amssymb}
13 mmeineke 62 \usepackage{wrapfig}
14 mmeineke 49 \usepackage{epsf}
15    
16 mmeineke 64 \usepackage[citefull=first, chicago, pages=always]{jurabib}
17 mmeineke 63
18    
19     \jurabibsetup{bibformat={tabular,ibidem,numbered}}
20     \centerslidesfalse
21    
22     % -----------------------------
23     % | preamble + macros and crap |
24     % -----------------------------
25    
26    
27     % Basic Color Defs used within this file
28     \definecolor{lightblue}{rgb}{0.3296, 0.6648, 0.8644} % Sky Blue
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31     \definecolor{bordercolor}{rgb}{0,0,.2380} % Midnight Blue
32    
33     %\psset{shadowcolor=shadowcolor} % Set all shadowdrops to same color
34    
35     % Change itemize environment to use funky color bullets
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38     \renewcommand\labelitemiii{\textcolor{bulletcolor}{\textbullet}}
39    
40    
41    
42    
43    
44     % Input corrections to 'seminar'
45    
46     \input{seminar.bug}
47     \input{seminar.bg2}
48    
49     % Slides parameters: general setup
50    
51     \centerslidesfalse % Text not centered
52     \slideframe{none} % No frame borders
53     \raggedslides[2em] % Semi-ragged-right text
54     \slidestyle{empty} % No labels
55     \rotateheaderstrue % Header and slide orientation synchronized
56    
57     % Slides dimensions and header placement
58    
59 mmeineke 64 \addtolength{\slidewidth}{10mm}
60 mmeineke 63 \addtolength{\slideheight}{10mm}
61     \renewcommand{\slideleftmargin}{10mm}
62     \renewcommand{\sliderightmargin}{10mm}
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67    
68     \renewcommand{\printlandscape}{\special{landscape}}
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70    
71     % My-itemize environment (3 levels): essentially not indented from
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106     % Colors
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119    
120     % Page and slides parameters
121    
122     \newpagestyle{slidot}
123     {\color{Gold}\rule{10mm}{1.5pt}%
124     \lower.22ex\hbox{%
125     \textcolor{Blue2}{~~University of Notre Dame~~}}%
126     \leavevmode\leaders\hrule height1.5pt\hfil}
127     {\color{Gold}\rule{5mm}{1.5pt}%
128     \lower.22ex\hbox{%
129     \textcolor{SaddleBrown}{~~Matthew Meineke~~}}%
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131     \lower.32ex\hbox{%
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134    
135     \pagestyle{slidot}
136    
137    
138    
139    
140     % A couple of new counters for slide sequences
141    
142     \newcounter{sliq}
143     \newcounter{slisup}
144     \renewcommand{\thesliq}{\Roman{sliq}}
145     \renewcommand{\theslisup}{\Roman{slisup}}
146    
147     % Set the background color of every slide
148    
149     \special{!userdict begin /bop-hook {gsave
150 mmeineke 64 1.0 1.0 1.0 setrgbcolor clippath fill
151 mmeineke 63 grestore} def end
152     }
153    
154     % And here we are...
155    
156     \setcounter{slide}{-1}
157     %\includeonly{slide10}
158    
159    
160 mmeineke 64 % setup the jurabib style
161 mmeineke 63
162 mmeineke 64 \renewcommand{\jbbtasep}{; } % bta = between two authors sep
163     \renewcommand{\jbbfsasep}{; } % bfsa = between first and second author sep
164     \renewcommand{\jbbstasep}{; } % bsta = between second and third author sep
165     %\renewcommand{\bibansep}{. } % seperator after name
166 mmeineke 63
167 mmeineke 64 \renewcommand{\bibtfont}{\textit} % change book title to italics
168     \renewcommand{\bibjtfont}{\textit} % change journal title to italics
169     \renewcommand{\bibapifont}[1]{} % gets rid of the article title in citation
170 mmeineke 63
171    
172 mmeineke 69 \renewcommand{\theslidefootnote}{\arabic{footnote}}
173 mmeineke 64
174    
175    
176 mmeineke 49 % ----------------------
177     % | Title |
178     % ----------------------
179    
180 mmeineke 62 \title{A Mezzoscale Model for Phospholipid MD Simulations}
181 mmeineke 49
182     \author{Matthew A. Meineke\\
183 mmeineke 63 Department of Chemistry and Biochemistry\\
184 mmeineke 49 University of Notre Dame\\
185     Notre Dame, Indiana 46556}
186    
187     \date{\today}
188    
189     %-------------------------------------------------------------------
190     % Begin Document
191    
192     \begin{document}
193 mmeineke 62
194 mmeineke 63 %\maketitle
195 mmeineke 49
196    
197    
198 mmeineke 62
199    
200 mmeineke 63 \nobibliography{canidacy_slides}
201     \bibliographystyle{jurabib}
202 mmeineke 62
203 mmeineke 63
204     % Slide 0 Title slide
205     \begin{slide}
206     \begin{center}
207     \bfseries
208     \fontsize{24pt}{30pt}\selectfont \color{Black}
209     A Mezzoscale Model for Phospholipid MD Simulations \par
210     \fontsize{16pt}{20pt}\selectfont \color{Green3}
211     Matthew A. Meineke\par
212     \fontsize{12pt}{15pt}\selectfont \color{Purple2}
213     Department of Chemistry and Biochemisty \par
214     University of Notre Dame \par
215     Notre Dame, IN 46556 \par
216     \fontsize{12pt}{15pt}\selectfont \color{Red} \date{today} \par
217     \end{center}
218     \end{slide}
219    
220 mmeineke 64
221 mmeineke 49 % Slide 1
222 mmeineke 64 \begin{slide} {\LARGE Talk Outline}
223 mmeineke 49 \begin{itemize}
224    
225     \item Discussion of the research motivation and goals
226    
227     \item Methodology
228    
229     \item Discussion of current research and preliminary results
230    
231     \item Future research
232    
233     \end{itemize}
234     \end{slide}
235    
236    
237     % Slide 2
238    
239 mmeineke 63 \begin{slide}
240 mmeineke 62
241 mmeineke 64 \centerline{\LARGE Motivation A: Long Length Scales}
242    
243 mmeineke 63 \begin{wrapfigure}{r}{60mm}
244 mmeineke 62
245 mmeineke 63 \epsfxsize=45mm
246     \epsfbox{ripple.epsi}
247 mmeineke 62
248 mmeineke 63 \end{wrapfigure}
249 mmeineke 62
250 mmeineke 63 \mbox{}
251 mmeineke 62 Ripple phase:
252     \begin{itemize}
253    
254 mmeineke 63 \item
255 mmeineke 62 The ripple (~$P_{\beta'}$~) phase lies in the transition from the gel
256     to fluid phase.
257    
258 mmeineke 63 \item
259 mmeineke 64 Periodicity of 100 - 200 $\mbox{\AA}$\footcite{Cevc87}
260 mmeineke 62
261 mmeineke 64 \item
262     Current simulations have box sizes ranging from 50 - 100 $\mbox{\AA}$
263     on a side.\footcite{Venable93}\footcite{Heller93}
264    
265 mmeineke 62 \end{itemize}
266 mmeineke 64 \vspace{10mm}
267 mmeineke 62 \end{slide}
268    
269    
270 mmeineke 64 \begin{slide}{\LARGE Motivation B: Long Time Scales}
271 mmeineke 62
272 mmeineke 64 \begin{itemize}
273 mmeineke 62
274 mmeineke 64 \item
275     Drug Diffussion
276     \begin{itemize}
277     \item
278     Some drug molecules may spend appreciable amountsd of time in the
279     membrane
280 mmeineke 62
281 mmeineke 64 \item
282     Long time scale dynamics are need to observe and charecterize their
283     actions
284     \end{itemize}
285 mmeineke 62
286 mmeineke 64 \item
287     Bilayer Formation Dynamics
288     \begin{itemize}
289     \item
290     Current bilayer simulations indicate that lipids can take nearly
291     20 ns to form completely.\footcite{Marrink01}
292     \end{itemize}
293     \end{itemize}
294     \end{slide}
295 mmeineke 54
296    
297 mmeineke 64 % Slide 4
298 mmeineke 49
299 mmeineke 64 \begin{slide}{\LARGE Length Scale Simplification I}
300 mmeineke 49
301    
302 mmeineke 64 Replace any charged interactions of the system with dipoles.
303 mmeineke 49
304 mmeineke 64 \begin{itemize}
305     \item Allows for computational scaling approximately by $N$ for
306     dipole-dipole interactions.
307     \begin{itemize}
308     \item Relatively short range, $\frac{1}{r^3}$, interactions allow
309     the application of computational simplification algorithms,
310     ie. neighbor lists.
311     \end{itemize}
312    
313     \item In contrast, the Ewald sum, needed for calculating charge - charge
314     interactions, scales approximately by $N \log N$.
315 mmeineke 49 \end{itemize}
316     \end{slide}
317    
318 mmeineke 64 \begin{slide}{\LARGE Length Scale Simplification II}
319 mmeineke 49
320 mmeineke 64 Use unified models for the water and the lipid chain.
321 mmeineke 49
322     \begin{itemize}
323 mmeineke 64 \item
324 mmeineke 69 Drastically reduces the number of atoms and interactions to simulate.
325 mmeineke 49
326 mmeineke 64 \end{itemize}
327 mmeineke 49
328    
329 mmeineke 69
330 mmeineke 65 \begin{figure}
331 mmeineke 69 %\epsfxsize=30mm
332     %\leavevmode
333     \begin{center}
334     \includegraphics[width=50mm,angle=-90]{reduction.epsi}
335     \end{center}
336 mmeineke 65 \end{figure}
337 mmeineke 64
338 mmeineke 69
339 mmeineke 49 \end{slide}
340    
341    
342     % Slide 5
343    
344     \begin{slide}{Time Scale Simplification}
345     \begin{itemize}
346     \item
347     Constrain all bonds to be of fixed length.
348    
349 mmeineke 63 \begin{itemize}
350 mmeineke 69 \item bond vibrations are the fastest motion in
351 mmeineke 63 a simulation
352     \end{itemize}
353 mmeineke 49
354     \item
355 mmeineke 69 Allows time steps of up to 3 fs with the current integrator. In
356     contrast, a time step of 1 fs is usually required for resolving bond
357     vibration.
358 mmeineke 49
359     \end{itemize}
360     \end{slide}
361    
362 mmeineke 51 % Slide 8
363 mmeineke 49
364 mmeineke 69 \begin{slide}{Soft Sticky Dipole Model\footcite{Liu96}}
365 mmeineke 49
366 mmeineke 69 \begin{figure}
367     \begin{center}
368     \includegraphics[width=40mm]{ssd.epsi}
369     \end{center}
370     \end{figure}
371 mmeineke 49
372    
373 mmeineke 52 It's potential is as follows:
374    
375     \begin{equation}
376 mmeineke 69 V_{s\!s\!d} = V_{L\!J}(r_{i\!j}) + V_{d\!p}(r_{i\!j},\Omega_{i},\Omega_{j})
377 mmeineke 63 + V_{s\!p}(r_{i\!j},\Omega_{i},\Omega_{j})
378 mmeineke 52 \end{equation}
379     \end{slide}
380    
381    
382     % Slide 9
383     \begin{slide}{Hydrogen Bonding in SSD}
384    
385 mmeineke 69 The SSD model's $V_{s\!p}(r_{i\!j},\Omega_{i},\Omega_{j})$ recreates
386     the hydrogen bonding network of water.
387 mmeineke 52
388 mmeineke 54
389 mmeineke 69 \begin{figure}
390     \begin{center}
391     \mbox{%
392     \subfigure[SSD relaxed on a diamond lattice]{%
393     \mbox{\includegraphics[angle=-90,width=55mm]{ssd_ice.epsi}}}%
394     \hspace{4mm}
395     \subfigure[Stockmayer spheres relaxed on a diamond lattice]{%
396     \mbox{\includegraphics[angle=-90,width=55mm]{dipole_ice.epsi}}}%
397     }
398 mmeineke 52
399 mmeineke 69 \end{center}
400     \end{figure}
401 mmeineke 52
402     \end{slide}
403    
404    
405     % Slide 10
406    
407     \begin{slide}{The Lipid Model}
408    
409 mmeineke 78 \begin{figure}
410     \begin{center}
411 mmeineke 53
412 mmeineke 78 \includegraphics[width=40mm,angle=-90]{lipidModel.epsi}
413    
414     \end{center}
415     \end{figure}
416    
417     \begin{equation}
418     V_{\mbox{lipid}} = \overbrace{%
419     V_{\mbox{bend}}(\theta_{ijk}) + V_{\mbox{tors.}}(\phi_{ijkl})%
420     }^{bonded}
421     + \overbrace{%
422     V_{L\!J}(r_{i\!j}) + V_{d\!p}(r_{i\!j},\Omega_{i},\Omega_{j})%
423     }^{non-bonded}
424     \end{equation}
425    
426 mmeineke 53 \begin{itemize}
427 mmeineke 78 \item
428     Tail forcefield parameters taken from TraPPE\footcite{Siepmann1998}
429 mmeineke 53 \end{itemize}
430    
431     \end{slide}
432    
433    
434    
435     % Slide 12
436 mmeineke 52
437     \begin{slide}{Initial Runs: 25 Lipids in water}
438    
439 mmeineke 76 \begin{wrapfigure}{r}{60mm}
440    
441     \includegraphics[width=55mm]{5x5-initial.eps}
442    
443     \end{wrapfigure}
444    
445 mmeineke 53 \textbf{Simulation Parameters:}
446 mmeineke 52
447 mmeineke 53 \begin{itemize}
448    
449 mmeineke 76 \item $N_{\mbox{lipids}} = 25$
450 mmeineke 53
451 mmeineke 76 \item $N_{\mbox{H}_{2}\mbox{O}} = 1386$
452    
453     \item Water to lipid ratio of 55.4:1
454    
455 mmeineke 53 \item Lipid had only a single saturated chain of 16 carbons
456    
457 mmeineke 76 \item Box Size: 34.5~$\mbox{\AA}$~x~39.4~$\mbox{\AA}$~x~39.4~$\mbox{\AA}$
458 mmeineke 53
459     \item T = 300 K
460    
461     \item NVE ensemble
462    
463     \item Periodic boundary conditions
464     \end{itemize}
465    
466 mmeineke 52 \end{slide}
467    
468 mmeineke 76 \begin{slide}{5x5: Final}
469 mmeineke 52
470    
471 mmeineke 76 \begin{figure}
472 mmeineke 54 \begin{center}
473 mmeineke 76 \includegraphics[width=80mm]{5x5-1.7ns.eps}
474     \end{center}
475 mmeineke 54 \end{figure}
476 mmeineke 52
477 mmeineke 54 \begin{center}
478 mmeineke 76 The final configuration at 1.7 ns.
479 mmeineke 54 \end{center}
480    
481     \end{slide}
482    
483    
484 mmeineke 53 % Slide 14
485 mmeineke 52
486     \begin{slide}{5x5: $g(r)$}
487    
488 mmeineke 54 \begin{figure}
489 mmeineke 76 \includegraphics[width=60mm,angle=-90]{all5x5-HEAD-HEAD-gr.eps}
490 mmeineke 54 \end{figure}
491 mmeineke 52
492    
493 mmeineke 76
494 mmeineke 54 \end{slide}
495 mmeineke 52
496 mmeineke 54 \begin{slide}{5x5: $g(r)$}
497    
498 mmeineke 76
499 mmeineke 54 \begin{figure}
500 mmeineke 76 \includegraphics[width=60mm,angle=-90]{all5x5-HEAD-X-gr.eps}
501 mmeineke 54 \end{figure}
502    
503 mmeineke 52 \end{slide}
504    
505    
506 mmeineke 53 % Slide 15
507 mmeineke 52
508     \begin{slide}{5x5: $\cos$ correlations}
509    
510 mmeineke 54 \begin{figure}
511 mmeineke 76 \includegraphics[width=60mm,angle=-90]{all5x5-HEAD-HEAD-cr.eps}
512 mmeineke 54 \end{figure}
513 mmeineke 52
514     \end{slide}
515    
516 mmeineke 54 \begin{slide}{5x5: $\cos$ correlations}
517 mmeineke 52
518 mmeineke 54 \begin{figure}
519 mmeineke 76 \includegraphics[width=60mm,angle=-90]{all5x5-HEAD-X-cr.eps}
520 mmeineke 54 \end{figure}
521    
522     \end{slide}
523    
524    
525 mmeineke 53 % Slide 16
526 mmeineke 52
527 mmeineke 53 \begin{slide}{Initial Runs: 50 Lipids randomly arranged in water}
528 mmeineke 52
529 mmeineke 78 \begin{wrapfigure}{r}{60mm}
530    
531 mmeineke 53 \textbf{Simulation Parameters:}
532 mmeineke 52
533 mmeineke 53 \begin{itemize}
534    
535     \item Starting Configuration:
536 mmeineke 63 \begin{itemize}
537     \item 50 lipid molecules arranged randomly in a rectangular box
538     \item The box was then filled with 1384 waters
539     \begin{itemize}
540     \item final water to lipid ratio was 27:1
541     \end{itemize}
542     \end{itemize}
543 mmeineke 53
544     \item Lipid had only a single saturated chain of 16 carbons
545    
546     \item Box Size: 26.6 $\mbox{\AA}$ x 26.6 $\mbox{\AA}$ x 108.4 $\mbox{\AA}$
547    
548     \item dt = 2.0 - 3.0 fs
549    
550     \item T = 300 K
551    
552     \item NVE ensemble
553    
554 mmeineke 63 \item Periodic boundary conditions
555 mmeineke 53
556     \end{itemize}
557    
558 mmeineke 52 \end{slide}
559    
560    
561 mmeineke 53 % Slide 17
562 mmeineke 52
563 mmeineke 54 \begin{slide}{R-50: Initial}
564 mmeineke 52
565 mmeineke 76
566     \begin{figure}
567 mmeineke 54 \begin{center}
568 mmeineke 78
569 mmeineke 76 \end{center}
570 mmeineke 54 \end{figure}
571 mmeineke 52
572 mmeineke 76
573 mmeineke 54 The initial configuration
574 mmeineke 52
575     \end{slide}
576    
577 mmeineke 54 \begin{slide}{R-50: Final}
578 mmeineke 52
579 mmeineke 54 \begin{center}
580     \begin{figure}
581 mmeineke 76 \includegraphics[width=100mm]{r50-521ps.eps}
582 mmeineke 54 \end{figure}
583     \end{center}
584    
585     The fianl configuration at 521 ps
586    
587     \end{slide}
588    
589    
590 mmeineke 53 % Slide 18
591 mmeineke 52
592     \begin{slide}{R-50: $g(r)$}
593    
594    
595 mmeineke 54 \begin{figure}
596 mmeineke 76 \includegraphics[width=60mm,angle=-90]{r50-HEAD-HEAD-gr.eps}
597 mmeineke 54 \end{figure}
598 mmeineke 52
599 mmeineke 54 \end{slide}
600 mmeineke 52
601 mmeineke 54
602     \begin{slide}{R-50: $g(r)$}
603    
604    
605     \begin{figure}
606 mmeineke 76 \includegraphics[width=60mm,angle=-90]{r50-HEAD-X-gr.eps}
607 mmeineke 54 \end{figure}
608    
609 mmeineke 52 \end{slide}
610    
611    
612 mmeineke 53 % Slide 19
613 mmeineke 52
614     \begin{slide}{R-50: $\cos$ correlations}
615    
616    
617 mmeineke 54 \begin{figure}
618 mmeineke 76 \includegraphics[width=60mm,angle=-90]{r50-HEAD-HEAD-cr.eps}
619 mmeineke 54 \end{figure}
620    
621 mmeineke 52 \end{slide}
622    
623 mmeineke 54 \begin{slide}{R-50: $\cos$ correlations}
624 mmeineke 52
625 mmeineke 54 \begin{figure}
626 mmeineke 76 \includegraphics[width=60mm,angle=-90]{r50-HEAD-X-cr.eps}
627 mmeineke 54 \end{figure}
628    
629     \end{slide}
630    
631    
632 mmeineke 53 % Slide 20
633 mmeineke 52
634     \begin{slide}{Future Directions}
635    
636 mmeineke 53 \begin{itemize}
637 mmeineke 52
638 mmeineke 63 \item
639 mmeineke 53 Simulation of a lipid with 2 chains, or perhaps expand the current
640     unified chain atoms to take up greater steric bulk.
641    
642 mmeineke 63 \item
643 mmeineke 53 Incorporate constant pressure and constant temperature into the ensemble.
644    
645     \item
646     Parrellize the code.
647    
648     \end{itemize}
649 mmeineke 52 \end{slide}
650    
651    
652 mmeineke 53 % Slide 21
653 mmeineke 52
654     \begin{slide}{Acknowledgements}
655    
656 mmeineke 53 \begin{itemize}
657 mmeineke 52
658 mmeineke 53 \item Dr. J. Daniel Gezelter
659     \item Christopher Fennel
660     \item Charles Vardeman
661     \item Teng Lin
662 mmeineke 64 \item Megan Sprauge
663     \item Patrick Conforti
664     \item Dan Combest
665 mmeineke 52
666 mmeineke 53 \end{itemize}
667    
668     Funding by:
669     \begin{itemize}
670     \item Dreyfus New Faculty Award
671     \end{itemize}
672    
673 mmeineke 52 \end{slide}
674    
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682 mmeineke 49 %%%%%%%%%%%%%%%%%%%%%%%%%% END %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
683    
684     \end{document}