Protoporphyrinogen oxidase (EC 1.3.3.4) is an enzyme that is responsible for the seventh step in biosynthesis of protoporphyrin IX. This porphyrin is the precursor to hemoglobin, the oxygen carrier...
In 2012, 81% of the world production of rhodium was consumed to produce three-way catalytic converters.[24] Rhodium shows some advantages over the other platinum metals in the reduction of nitrogen...
Acetone (systematically named propanone) is the organic compound with the formula (CH3)2CO. It is a colorless, volatile, flammable liquid, and is the simplest ketone.
Switching circuit
Organic semiconductor material
Neurodegeneration is the umbrella term for the progressive loss of structure or function of neurons, including death of neurons. Many neurodegenerative diseases including ALS, Parkinson’s, Alzheime...
The dielectric constant of a material can be found by a variety of static electrical measurements. The complex permittivity is evaluated over a wide range of frequencies by using different variants...
Dynamic image search
A polypeptide is a long, continuous, and unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological oligomers and polymers, alongside nucleic acids, oligo- and po...
Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure. Nanotubes have been constructed with length-to-diameter ratio of up to 132,000,000:1,[1] significantly larger than...
Diffraction image
Hydrogen storage alloy
Polyester copolymer
Cigarette filters are intended to reduce the amount of smoke, tar, and fine particles inhaled during the combustion of a cigarette. Filters also reduce the harshness of the smoke and keep tobacco f...
Multilayer alloy coating film
2-oxazoline/1,3-oxazine analogues
An antibody (Ab), also known as an immunoglobulin (Ig), is a large Y-shape protein produced by plasma cells that is used by the immune system to identify and neutralize foreign objects such as bact...
Chair with tiltable backrest
Supercooling in plants
A liposome is an artificially-prepared spherical vesicle composed of a lipid bilayer. The liposome can be used as a vehicle for administration of nutrients and pharmaceutical drugs.[2] Liposomes ca...
