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Advanced metal deposition and microfabrication techniques enable preparation of metal surfaces with high precision and excellent control over their size and shape with subnanometer resolution. Thin metal films of different types and functions can be found in many analytical instruments. Surfaces with high optical quality serve as mirrors, beam splitters, antireflective coatings etc. Smooth metal coating is crucial in electron microscopy. Unique properties of the thin metal films are widely used in optical systems, as tools for sample manipulation but also for chemical sensing and detection. While some of the applications are widespread and belong to the basic curriculum in analytical chemistry, the newer or less common uses of thin metal films are well known only to the experts in the field. The purpose of this critical review is to highlight the role of thin metal films in bioanalysis and summarize some of their main applications in current bioanalytical instrumentation.
Institute of Analytical Chemistry ASCR, v.v.i., Brno, Czech Republic.
This article was published in the following journal.
Name: Journal of separation science
Thin film nitinol can be processed to produce a thin microporous sheet with a low percentage of metal coverage (
Ultra-thin and dense sol-gel metal oxide films for gate dielectric layers in large-area printed metal oxide and organic thin-film transistors are reported by a simple wire bar coating method. Y.-Y. No...
Metal thin film electrodes on flexible polymer substrates are inherently unstable against humidity and mechanical stresses due to their poor adhesion properties. We introduce a novel approach for impr...
On the basis of a combination of X-ray photoelectron spectroscopy and synchrotron-based X-ray emission spectroscopy, we present a detailed characterization of the chemical structure of CdS:O thin film...
We demonstrate an effective light trapping geometry for thin-film solar cells that is composed of dielectric light scattering nanocavities at the interface between the metal back contact and the semic...
The purpose of this study is to evaluate a new instrument that takes digital images of tear film (a thin film that coats the eye that is made up of oil and water). The investigators are i...
Actinic keratoses on the face are often numerous and widespread. The application of Methylaminolevulinate (MAL) on individual lesions followed by the application of a plastic film on each ...
The investigators will use a thin catheter for HSG and apply pressure on the cervix with the vaginal speculum to prevent leakage of the dye during injection to study the uterine cavity and...
The aim of this study is validate the use of biopolymer from sugar cane molasses film (POLYSHAFT®) a product developed in Experimental Station research laboratories (UFRPE) comparing to p...
Silicone gel is a self-drying silicone polymer that forms thin film after application onto the skin. Because silicone film is a medical device, silicone gel is also regarded as a medical d...
Use of a device (film badge) for measuring exposure of individuals to radiation. It is usually made of metal, plastic, or paper and loaded with one or more pieces of x-ray film.
The thin serous membrane enveloping the lungs (LUNG) and lining the THORACIC CAVITY. Pleura consist of two layers, the inner visceral pleura lying next to the pulmonary parenchyma and the outer parietal pleura. Between the two layers is the PLEURAL CAVITY which contains a thin film of liquid.
The technique of washing tissue specimens with a concentrated solution of a heavy metal salt and letting it dry. The specimen will be covered with a very thin layer of the metal salt, being excluded in areas where an adsorbed macromolecule is present. The macromolecules allow electrons from the beam of an electron microscope to pass much more readily than the heavy metal; thus, a reversed or negative image of the molecule is created.
Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are inactive, i.e., have not been found to exist outside the integrated state. DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom.
A film base coated with an emulsion designed for use with x-rays.