Cancer Listeni/ˈkænsər/, also known as a malignant tumor, is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.[1][2] Not all tumo...
In biology, tissue is a cellular organizational level intermediate between cells and a complete organism. A tissue is an ensemble of similar cells from the same origin that together carry out a spe...
In retrosynthetic analysis, a synthon is a destructural[clarification needed] unit within a molecule which is related to a possible synthetic operation. The term was coined in 1968 by E.J. Corey.[1...
Acute lung injury (ALI) is a diffuse heterogeneous lung injury characterized by hypoxemia, non cardiogenic pulmonary edema, low lung compliance and widespread capillary leakage. ALI is caused by an...
A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from wea...
Epilepsy (from the Ancient Greek verb ἐπιλαμβάνειν meaning "to seize, possess, or afflict")[1] is a group of long-term neurological disorders characterized by epileptic seizures.[2] These seizures ...
A solid oxide fuel cell (SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cells are characterized by their electrolyte material; the SOFC...
Lithography (from Greek λίθος, lithos, "stone" and γράφειν, graphein, "to write") is a method of printing originally based on the principle that oil and water do not mix.[1] Printing is from a ston...
Levomefolic acid (INN) (also known as 5-MTHF, L-methylfolate and 5-methyltetrahydrofolate and (6S)-5-methyltetrahydrofolate, and (6S)-5-MTHF) is the primary biologically active form of folic acid u...
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A reagent /riˈeɪdʒənt/ is a "substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs."[1] Although the terms reactant and r...
Stem cells are undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells. They are found in multicellular organisms...
An allyl group is a substituent with the structural formula H2C=CH-CH2R, where R is the rest of the molecule. It consists of a methylene bridge (-CH2-) attached to a vinyl group (-CH=CH2). The name...
Proteins (/ˈproʊˌtiːnz/ or /ˈproʊti.ɨnz/) are large biological molecules, or macromolecules, consisting of one or more long chains of amino acid residues. Proteins perform a vast array of functions...
In electronics, a diode is a two-terminal electronic component with asymmetric conductance; it has low resistance to current in one direction, and high resistance in the other.
