60 results found

Search Results for: solvent

Solvent

Definition noun (Science: Chemistry) 1. A liquid in which substances (or solutes) are dissolved forming a solution. 2. In a... Read More

Hypertonic solution

Hypertonic Solution Definition Hypertonic solution is a relative term that describes the solution having a higher amount of... Read More

Solvent drag

Definition noun, plural: solvent drags The transportation of ultrafiltrate back from the renal tubule through the flow of... Read More

Universal solvent

Definition noun (1) A substance capable of dissolving all or a large variety of substances. (2) An... Read More

Osmosis

Osmosis is the net movement of solvent molecules through a semipermeable membrane. It is similar to diffusion as the... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More

Solubility

Definition noun (1) The quantity of a particular substance (solid, liquid, or gas solute) that can dissolve in a particular... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Aqueous solution

Definition noun, plural: aqueous solutions A solution wherein water is the dissolving medium or solvent Supplement Solution,... Read More

Polar solvents

polar solvents Solvent's that exhibit polar forces on solutes, due to high dipole moment, wide separation of charges, or... Read More

Osmotic pressure

Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More

Hydrophilic

Hydrophilic Definition What does a hydrophile (or hydrophilic molecule) mean? If a molecule is “water-loving”, it is... Read More

Lipid

A biomolecule refers to any molecule that is produced by living organisms. As such, most of them are organic molecules. The... Read More

Solution

Definition noun, plural: solutions (chemistry) A type of homogenous mixture in which the particles of one or more substances... Read More

Ion

We have been introduced to ions in varied fields of Science like Physics, Chemistry, and Biology. This article takes you on... Read More

Solute

Definition noun , plural: solutes (chemistry) 1. a component of a solution: in a solution, the dissolving substance is... Read More

Concentration

Definition noun (1) The measure of the amount of a sub-component (especially solute) in a solution (2) The ratio of the mass... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Concentration gradient

What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... Read More

Gram-positive bacteria

Definition noun, singular: gram-positive bacterium A group of bacterial cells that retains the violet colour following ... Read More

Chemical Composition of the Body

In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More

Volatile oil

Volatile Oil Definition Volatile oils are aromatic compounds that are characterized by their volatility and inability to... Read More

Phospholipid

What is a phospholipid? Phospholipids are a subgroup of lipids. Other major types of lipids are fatty acids, sphingolipids,... Read More

Elution

Definition noun (1) The removal or separation of one material from another, especially with a solvent. (2) The process of... Read More

Biomolecule

A molecule is an electrically neutral, group of atoms that can exist alone in a free state while its characteristic... Read More

Sphingolipid

Definition noun plural: sphingolipids sphin·go·lip·id A type of lipid with a sphingoid base (e.g. sphingosine and... Read More

Hypotonic

Hypotonic Definition Hypotonic is a term used to describe an entity being in the state of hypotonicity. Hypotonicity refers... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More

Albumin

Albumin Definition What is albumin? Is albumin a protein? In biology, albumin is a protein that is responsible for the... Read More

Fatty acid

Definition noun plural: fatty acids'' fatty acid, ˈfætɪ ˈæsɪd Any of the group of a long chain of hydrocarbon... Read More

Specific absorption coefficient

Definition noun A factor that measures the absorbance of light per unit of path length (of the spectrophotometer cuvette,... Read More

Permanent Tattoo Means Permanent Immune Action Of Macrophages

Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Inorganic salt

Definition noun, plural: inorganic salts A salt that lacks C-H bonds Supplement A salt is defined as the neutral ionic... Read More

Desorption

Definition noun A process wherein a substance is released from another, either from or through the... Read More

Saline solution

Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More

Spheroprotein

Definition noun, plural: spheroproteins A type of protein characterized by being globular or spherical in shape, and... Read More