A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in solution or membranes. FCS measurements rely on recording the transition of several thousands of molecules through the focal...

An otoscope is a medical device used by healthcare professionals, particularly ear, nose, and throat (ENT) specialists,...

The adjustable membrane located just in front of the crystalline lens within the eye. The iris gives the eye its color. See...

Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...

1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.

Gram-positive bacteria are a group of bacteria that have a thick cell wall composed primarily of a substance called...

A sensor generally used for infrared imaging. It consists of two chambers separated by a thin, blackened membrane. An...

Laser-mediated gene transfer refers to a technique in molecular biology and genetic engineering that utilizes lasers to...

The holographic recording of a microscopic specimen whereby magnification is achieved by alteration in a wavelength or...

A thin, stretched plastic membrane cemented to a rigid supporting ring. It may be coated to act as a beamsplitter, for...

Laser-powered telephone device for analog communications that employs a vibrating plastic membrane as a transmitter to...

A particle that will not normally diffuse through animal or vegetable membrane. Larger than most inorganic compounds,...

A light-harvesting protein found in the purple membrane of a micro-organism called Halobacterium halobium. The protein...

Gram-negative bacteria are a group of bacteria that possess a cell envelope composed of a thin layer of peptidoglycan...

A spatial light modulator consisting of a metallized polymer film stretched over an array of metal-oxide semiconductor...

Hydrophobic is a term used to describe substances or materials that repel or do not readily interact with water. The word...

The diagnostic procedure that uses ultrasonic energy to probe the body and, with the help of laser beams, a reflecting...