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Schematic from J. L. Moran and J. D. Posner, J. Fluid Mech., 2011, 680, 31-66. doi:10.1017/jfm.2011.132 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1521240706794-MKODAO1A085XVKTHX7JR/nanoswimmer3.png Nanoswimmers Trajectories of nanorod swimmers around teardrop scaffolds https://wardresearchlab.com/research/dislocations daily 0.75 2018-04-16 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523298210177-LOOHXZPMRWGZ0NYFI2I0/xiaodi1.jpeg Dislocations Scanning electron micrograph of a typical hexagonal l-cystine crystal https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1521309263488-N3NFKZRSMUXRQMN92VK0/dislocations.png Dislocations (A–F) AFM deflection error images acquired during real-time in situ growth of the l-cystine {0001} face in supersaturated solution; (G–I) AFM images of the same region during dissolution in undersaturated solution https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523298307765-O5W8VB707DFMDRX13GUY/xiaodi2.jpeg Dislocations Dislocation generation by an inclined cube-like particle, forming two confined Frank–Read sources during growth https://wardresearchlab.com/research/nanoconfinement daily 0.75 2018-04-09 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523299748586-1W21I5GE3RHOBGGU5I0T/noalle1.jpeg Nanoconfinement Schematic representation of polymorph selectivity as a function of crystal size https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523299747927-G7E0EI0A63EZL4X0DVU6/noalle3.jpeg Nanoconfinement Illustration of the energetic profiles for two competing nuclei, polymorph A and polymorph B, over a range of characteristic lengths https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523299748022-OHLCOVXWIQJ6U0EXNIHJ/noalle2.jpeg Nanoconfinement Nanoscale reactors. Controlled pore glass (left) and anodic aluminum oxide (right) https://wardresearchlab.com/research/insecticides daily 0.75 2018-04-09 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297674450-HLVXK1A8Q9K5V73CR16R/ddt4.png Insecticides Comparison of the lethality of DDT Forms I and II https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297675615-YE3JWDFM5GYWOQ1UHUTR/ddt2.png Insecticides The growth of DDT Form I and DDT Form II from a supercooled melt confined between glass slides at 20˚C as viewed using crossed polarizers with first order red wave plate before the analyzer https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297675352-YA3I3QB1FV5LDHB8185D/ddt1.png Insecticides The spherulitic growth of DDT form I from a supercooled melt confined between glass slides at 20˚C, as viewed using crossed polarizers https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297674467-B3QNI3NIKG3P9VL4KYYE/ddt3.png Insecticides Crystal growth of di(p-fluorophenyl)-2,2,2-trichloroethane from melt at room temperature https://wardresearchlab.com/research/simulations daily 0.75 2018-04-09 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297141821-XOAYZO1TVZB8RM1R0SF9/Isabel1.png Simulations Screw Dislocation in n-Octane with Molecules Represented as Center of Mass Spheres Colored According to their Energies Relative to Perfect Lattice https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297140965-F3M43449W26Q7QT0GGZF/isabel3.png Simulations Crystal Structure of Anthracene (P21/a) Illustrating the Photo-Inactive Herringbone Packing https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297141440-VJYHY60AP2QX09X8X3U4/isabel2.png Simulations Crystal Structure of Anthracene (P21/a) Illustrating the Photo-Inactive Herringbone Packing https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297140575-DU9TIEG4397UZO31DSI7/isabel5.png Simulations Molecules are colored red to blue according to their displacements along [110], the Burgers vector direction. Molecules that adopt photolabile geometries are bolded and colored. https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523297140745-KOC75Y6UTYTCWP48CROF/isabel4.png Simulations Molecules are colored red to blue according to their displacements along [110], the Burgers vector direction. Molecules that adopt photolabile geometries are bolded and colored. https://wardresearchlab.com/research/processes daily 0.75 2018-04-10 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523296732620-1EDFXX8Z5PUYN01Z2Q53/Re56-3.JPG Processes Skeletal crystals of beta resorcinol evolving into banded spherulites as melt temperature decreases https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523296732023-QHCI0CB3SUFBJ712025F/As97-3.JPG Processes Spherulites of aspirin form I (banded) and form IV (not banded) crystallizing from the melt https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523296736565-D7RU67MIPLIROLYBUBAD/T13-2.JPG Processes Twisted fibers and banded spherulites of metastable polymorph of testosterone propionate forming from the melt in the glass to crystal growth mode https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523296736389-GRQGTXV47GG8TQQF4WY0/HA145-2.JPG Processes Banded spherulites of hippuric acid crystallizing from the melt https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523296737182-C8GJ573UES9IN2I2TE66/4-21-17-BZ_arginine-_003s.jpg Processes CryoSEM image of solution grown twisted benzamide (form II) crystals https://wardresearchlab.com/collaborators daily 0.75 2020-02-19 https://wardresearchlab.com/wardbio daily 0.75 2023-03-20 https://wardresearchlab.com/resources daily 0.75 2020-08-24 https://wardresearchlab.com/software daily 0.75 2018-10-31 https://wardresearchlab.com/facilities daily 0.75 2020-06-30 https://wardresearchlab.com/learn daily 0.75 2018-04-23 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523308154533-EOVNK05TXUEK9NVYK4WY/0B399488-9C8B-4C73-BA1C-F9439346CE3D.jpg Learn - F A C I L I T I E S https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523308375342-LBOJ26VC0XMZOIGRHPE1/analytics-3088958_1920.jpg Learn - S O F T W A R E https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523308696417-9CPKEEUAWD2KIXBHS2OS/daniel-alvarez-sanchez-diaz-474862-unsplash.jpg Learn - R E S O U R C E S   https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523556011127-W8EV0CQCG8I067J2G3G0/Tutorials.jpg Learn - T U T O R I A L S https://wardresearchlab.com/news daily 0.75 2020-01-15 https://wardresearchlab.com/highlights-1 daily 0.75 2018-04-10 https://wardresearchlab.com/current daily 0.75 2025-08-06 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1523382751577-ZDECZ1OIDKEGMZE8PB8Q/ward-1.jpg Current Members https://wardresearchlab.com/grace-instructions daily 0.75 2018-04-13 https://wardresearchlab.com/tutorials daily 0.75 2018-05-08 https://wardresearchlab.com/swimmer daily 0.75 2018-04-29 https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1521240707180-6S0VRQLE0X78HHF4MY9T/nanoswimmer.png Microscale Swimmers Sketch of artificial Au–Pt nanorod swimmers interacting with teardrop-shaped posts https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1524946792885-8RIGJ2WXHHCOGQNYF5JY/swimmer.png Microscale Swimmers https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1521240706794-MKODAO1A085XVKTHX7JR/nanoswimmer3.png Microscale Swimmers Trajectories of nanorod swimmers around teardrop scaffolds https://images.squarespace-cdn.com/content/v1/5aa810b0710699b3a9bd7ca2/1524947908996-ZZF8PZHQ6EA89DCA59Z2/Screen+Shot+2018-04-28+at+4.37.51+PM.jpg Microscale Swimmers - AuPtAu Swimmers Micron-scale metal rods with uniform Au-Pt segments swim by self-electrophoresis when placed in a solution of hydrogen peroxide fuel. Electrochemical decomposition of hydrogen peroxide at the opposite ends of the rod produces a gradient in proton concentration, which corresponds to an electric field pointing from Pt to Au. The rods themselves have an overall negative charge, so the positively charged electrical double layer surrounding the rod experiences a force due to the self-generated electrical field. A fluid flow develops on the rod surface, from Pt to Au, causing the rod to swim with its Pt end leading.