IDL

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IDL

(language)

IDL

(1) (Interface Definition Language, Interface Description Language) A language used to describe the interface to a software component or routine in a manner that is not dependent on a particular programming language or operating system. Because an IDL is independent of language and machine, it enables communications between applications running in different operating environments. For example, the Web Services Description Language (WSDL) discloses the interface for routines that provide Web services. Likewise, the CORBA system, a service oriented architecture (SOA) that predates Web services, uses an IDL. See WSDL and CORBA.

(2) (Interactive Data Language) An interpreted programming language from ITT Visual Information Solutions, Boulder, CO (www.ittvis.com), formerly Research Systems, Inc., that runs on Windows, Mac and various Unix platforms. It is used to write image processing and visualization applications. Well known products written in IDL include Research Systems' own ENVI software and the RiverTools application from Rivix, LLC.

A Scientific and Aerospace Influence
Initially created for NASA astronomers by David Stern, founder of RSI in 1977, IDL provides high-level commands for accessing images, performing data analyses and displaying 3D objects. IDL includes a complete development environment and also comes as an ActiveX control so that its routines can be accessed from user interfaces written in other languages such as Visual Basic. IDL On the Net, or ION, is a family of products that lets applications be shared across a network. IDL VM (Virtual Machine) is a free runtime utility that allows distribution of compiled IDL code applets.

In 2000, Eastman Kodak acquired RSI as a wholly owned subsidiary, then sold it to ITT Corporation in 2004, along with its Remote Sensing Systems division.
References in periodicals archive ?
Beyond fasting triglycerides and VLDL, there is a measure of postprandial lipoproteins that is reliable and readily available: intermediate-density lipoprotein (IDL).
1] Nonstandard abbreviations: CVD, cardiovascular disease; VLDL, very-low-density lipoprotein; apoB, apolipoprotein B; IDL, intermediate-density lipoprotein.
Intermediate-density lipoprotein and cholesterol-rich very low density lipoprotein in angiographically determined coronary artery disease.
To test this idea, we determined the lipoprotein particle distribution of PCSK9 by immunoprecipitating highly purified VLDL, HDL, LDL, intermediate-density lipoprotein, and chylomicron particle fractions or unfractionated serum with anti-PCSK9-3 antibody.
In conjunction with these previous studies, the increase of small VLDL-C in CAD patients also supports the concept that smaller, partially catabolized triglyceride-rich lipoprotein (VLDL remnants) and/or a part of intermediate-density lipoprotein are atherogenic.
The reason for this discrepancy was unclear and may have been related to differential estimation of some abnormal lipoproteins such as intermediate-density lipoprotein remnants, or small, dense LDL.
In between, several bands can be detected: MID bands C, B, and A, which correspond mainly to intermediate-density lipoprotein (IDL), as well as up to 7 LDL bands.
The main fractions--VLDL, intermediate-density lipoprotein (IDL), LDL, and HDL--were separated from plasma one at a time by sequential ultracentrifugation.
In fact, it has been proposed that there is a channeling within the VLDL-intermediate-density lipoprotein-LDL delipidation cascade such that parallel processing pathways generate different intermediate-density lipoprotein and LDL products from different TG-rich lipoprotein precursors (1).
Apo B100 (apoB) is the structural protein of atherogenic lipoproteins including VLDL, intermediate-density lipoprotein, and LDL.
Apolipoprotein (apo) E, an arginine-rich glycoprotein with a molecular mass of 34 kDa, is localized on chylomicrons, VLDL, intermediate-density lipoprotein, and HDL particles.
ApoB-48 is required for chylomicron production, and apoB-100 is an essential structural component of VLDL and its metabolic products, intermediate-density lipoprotein (IDL) and LDL.

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