Highlights

Single-crystal organic field-effect transistors (OFETs) are ideal device structures for studying fundamental science associated with charge transport in organic materials and have demonstrated outstanding electrical characteristics. However, it remains a technical challenge to integrate single-crystal devices into practical electronic applications. A key difficulty is that organic single-crystal devices are usually fabricated one device at a […]

Objective: To develop novel microfluidic flow cells that allow trapping of single DNA molecules and studies of the binding of sequence-specific probes to the trapped DNA.

Approach: Two different devices have been designed and fabricated: a cross-slot that uses flow focusing to direct probes to the trapped DNA and a microfluidic “four roll mill” that allows the flow type to be varied from extension to shear to rotation near the trapped DNA (fig. 2).

Poly(ethylene terephthalate) (PET), a widely used engineering thermoplastic for carpet, clothing (fibers), tire cords, soda bottles and other containers, film, automotive, electronics, displays etc., will contribute several billion pounds of waste to landfills this year alone! According to the American Plastics Council, PET packaging was originally used for soft drinks, but packing applications today include other beverages such as water, juice, beer, in addition to other foods such as peanut butter and ketchup and a variety of other household products.

Highlight from Stanford MRSEC 0213618
Marni Goldman, Education Director of CPIMA, died of natural causes in late February while on vacation with her family. Although she never walked and had only the most limited use of her arms, Marni’s academic and professional accomplishments placed her in elite company, even as her friendships extended far and […]

Susan J. Muller, University of California Berkeley, and Eric S.G. Shaqfeh, Stanford
Highlight from Stanford MRSEC 0213618
Lab-on-a-chip devices that are capable of performing microanalytical testing must have the capacity to precisely control the flow of very small volumes of fluid. The typical approach to this involves microfluidic devices in which the flow channels are of […]

Mike McGehee, Stanford University, Robert D. Miller, IBM Almaden Research Center, Joe DeSimone, University of North Carolina
Highlight from Stanford MRSEC 0213618
A major effort in CPIMA has been to control and characterize interfacial charge transport in directed nanoassemblies. Such research is motivated by basic issues that relate to the performance of organic electronic devices, including […]

Field-effect transistors made of single organic crystals are ideal for studying the charge transport characteristics of organic semiconductor materials. Their outstanding device performance, relative to that of transistors made of organic thin films, makes them also attractive candidates for electronic applications such as active matrix displays and sensor arrays. The only approach currently available for […]

Marjorie Longo, UC Davis; Steve Boxer, Stanford University
Phase separated supported lipid bilayers were chemically imaged by HR-SIMS performed with the NanoSIMS 50 (Cameca Instruments). A focused Cs+ ion beam is rastered across the sample, extensively fragmenting the surface components. Secondary ions of up to 5 different masses are simultaneously detected and a […]