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We found that continuous films of gold (Au) on oxidized silicon (SiO) substrates, upon treatment with ultraviolet (UV)-ozone, exhibit strong adhesion to the SiO support. Importantly, the enhancement is independent of micro- or nanostructuring of such nanometer-thick films. Deposition of a second Au layer on top of the pretreated Au layer makes the adhesion stable for at least 5 months in environmental air. Using this treatment method enables us to large-scale fabricate various SiO-supported Au structures at various thicknesses with dimensions spanning from a few hundreds of nanometers to a few micrometers, without the use of additional adhesion layers. We explain the observed adhesion improvement as polarization-induced increased strength of AuSi bonds at the Au-SiO interface due to the formation of a gold oxide monolayer on the Au surface by the UV-ozone treatment. Our simple and enabling method thus provides opportunities for patterning Au micro/nanostructures on SiO substrates without an intermediate metallic adhesion layer, which is critical for biosensing and nanophotonic applications.
This article was published in the following journal.
Name: ACS nano
Ozone treatment achieved microbial population reductions. Gaseous ozone was most commonly used on poultry parts. Carcasses were treated exclusively with aqueous ozone or ozonated water. Ozone treatmen...
This study investigated the fouling behavior and mechanism of ozone treatment correlating to water characteristics for micro-polluted water during ultrafiltration (UF). The results indicated that pre-...
Our work mainly studied the elimination of zearalenone (ZEN) from corn flour by ozone treatment. We found four degradation products, after separation and identification by UPLC-ESI-QTOF-MS, named as C...
Paravertebral ozone injection is a new treatment method described in the literature for low back pain. The aim of this study was to compare the pre- and post-treatment pain scores of patients undergoi...
Ozone is a highly oxidative gas has a long history of safe use as disinfectant and sanitizer in industries of pharmaceuticals, and many other organic compounds. In the current work, disinfestation of ...
The purpose of this research study is to learn more about the effects of 0.12 ppm ozone exposure on humans. We know from other studies that exposure to levels of ozone that are seen on ba...
This randomized, placebo controlled, split-mouth clinical study trial evaluates the effects of Ozone therapy on clinical and biochemical parameters. Total of 20 participants completed the ...
The purpose of the study is to better understand the mechanisms of lung injury from ozone exposure. Subjects will participate in two exposure sessions: filtered air and 0.2 ppm ozone. Subj...
To investigate if low level ozone exposure will cause measurable inflammation in nasal cells.
This is a randomized controlled human exposure crossover study. Investigators aim to investigate the acute health effects of ozone exposure in healthy young adults.
A shift in the balance between production and destruction of STRATOSPHERIC OZONE that results in a decline of the amount of OZONE in the lower stratosphere.
Ozone in the Earth's stratosphere. It is produced continuously by the action of solar ULTRAVIOLET RAYS on oxygen in the stratosphere. The stratospheric ozone (especially at the ozone layer) blocks much of the solar UV radiation of wavelengths of 320 nanometers or less from being transmitted to lower ATMOSPHERE of the Earth.
Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy.
Removal of tissue with electrical current delivered via electrodes positioned at the distal end of a catheter. Energy sources are commonly direct current (DC-shock) or alternating current at radiofrequencies (usually 750 kHz). The technique is used most often to ablate the AV junction and/or accessory pathways in order to interrupt AV conduction and produce AV block in the treatment of various tachyarrhythmias.
A form of fluorescent antibody technique utilizing a fluorochrome conjugated to an antibody, which is added directly to a tissue or cell suspension for the detection of a specific antigen. (Bennington, Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)