Small amplitude tip-position modulation (TPM) in combination with lock-in detection of the modulated current signal is applied to a scanning electrochemical microscope (SECM) to improve signal-to-noise ratio and to enhance ...

A nanostructured particulates formed from a redox active, luminescent phenyl substituted polycyclic aromatic hydrocarbon are provided herein. The nanostructured particulates may be used for determining the presence of an ...

The present invention includes methods, compositions and kits for analyzing a chemical analyte having an electrochemical cell connected to a measuring apparatus. The electrochemical cell contains a solution having one or ...

A method of producing a silicon film includes: forming a deposition composition comprising silicon dioxide dispersed in a molten salt; placing a metal substrate and a counter electrode in the composition; and passing a ...

Devices and methods for generating electrogenerated chemiluminescence, using an electrode which is coated with an immobilized layer of a compound capable of generating ECL. The coated electrode can be immersed along with ...

Described herein is an apparatus comprising an electrochemical cell that employs a capacitive counter electrode and a faradaic working electrode. The capacitive counter electrode reduces the amount of redox products generated ...

A nanostructured particulate material, which includes a redox active luminescent organic and/or ionic compound, is provided herein. The nanostructured particulate material may be used for determining the presence of an ...

Methods, compositions and kits for detecting analytes of interest in a sample using electrogenerated chemiluminescence are provided. Compositions comprising at least one solid support that entraps or contains an electrogenerated ...

Photocatalytic methods are disclosed for the preparation of metallized powders. Specifically, such methods include the photodeposition of platinum, copper and other metals on TiO.sub.2 powder and other semiconductor powders. ...

Methods and apparatii are described for information storage in photoconductive film of single layer composition by irradiation of memory elements simultaneously with application of an electric field. Information is stored ...