Flattened‐Top Domical Droplet Formed by a Poly(pyrrole) Membrane

Patterns formed by droplet evaporation from a restricted geometry.

We show that hundreds of concentric rings, each approximately nanometers high and micrometers wide, form when a drop is allowed to evaporate from a confined geometry, leaving behind a dry, nonvolatile polymer solute. This new preparative strategy offers a simple, versatile, generalizable method to produce patterns of unprecedented high fidelity and regularity, as well as a direction to look to ...

Membrane-mimetic nanocarriers formed by a dipalmitoylated cell-penetrating peptide.

Polypyrrole self-organized nanopore arrays formed by controlled electropolymerization in TiO2 nanotube template.

A new concept for formation of nanostructured intrinsically conducting polymers (ICP) is demonstrated. Polypyrrole can be electropolymerized from an ionic-surfactant-solution in TiO(2) nanotube framework to form a geometrical structure of self-organized nanopore arrays. Polymerization is initialized selectively in the space between nanotube walls forming a mechanically stable polymer network wi...

Isolation of Single Dna Molecule in a Picolitre-sized Droplet Formed by Liquid Dielectrophoresis

This paper reports a novel method to isolate single DNA molecules in an open container filled with oil by using Liquid Dielectrophoresis (LDEP). We successfully demonstrated the formation of 12 droplets (~200pL) from a 0.5μL DNA solution parent droplet. The parent droplet is put on 2 parallel electrodes. When an AC voltage was applied between these electrodes, the droplet deforms in a finger ri...

Plasma membrane channels formed by connexins: their regulation and functions.

Members of the connexin gene family are integral membrane proteins that form hexamers called connexons. Most cells express two or more connexins. Open connexons found at the nonjunctional plasma membrane connect the cell interior with the extracellular milieu. They have been implicated in physiological functions including paracrine intercellular signaling and in induction of cell death under pa...