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Intestinal Absorption

Producer: Sheffield BioScience Programs

An interactive computer-simulation of experiments which may be performed on one of the classical in vitro techniques used to study intestinal absorption: the isolated, everted intestinal sac of the rat. The program simulates experiments designed to demonstrate the important characteristics of the transport of two important nutrients - hexoses and amino acids - in the small intestine. Introduction and Methods use a combination of text and high-resolution graphics to explain  the everted sac preparation, the process of carrier-mediated transport of these nutrients and the methods used to measure it (using radiolabelled galactose, glycine and methionine and a scintillation counting technique). The Experiments section allows users to: 1. Measure the transport of these nutrients; 2. Demonstrate the Na+ dependence of the transport process;  3. Investigate the mutual interaction of the hexose and amino acid transport systems by performing a series of experiments (including a kinetic analysis and calculation of apparent Km and Vmax for the transport process) to assess whether the interaction is due to competition for energy or competition at the carrier level. The data is based on predictive models of carrier-mediated transport which have been verified by experiment.

 

Details:

Language Versions: English / Chinese

Recommended System Requirements:

Windows:
Microsoft Windows XP (32 bit), Windows Server 2003 (32-bit), Windows Server 2008 (32 bit), Windows Vista (32 bit), Windows 7 (32 bit and 64 bit), Windows 8
2.33GHz or faster x86-compatible processor, or Intel Atom 1.6GHz or faster processor for netbooks 128MB of RAM (1GB of RAM recommended for netbooks); 128MB of graphics memory Internet Explorer 7.0 or later, Mozilla Firefox 4.0 or later, Google Chrome, Safari 5.0 or later, or Opera 11

Mac OS:
Mac OS X v10.6, v10.7, or v10.8
Intel Core Duo 1.83GHz or faster processor
256MB of RAM; 128MB of graphics memory
Safari 5.0 or later, Mozilla Firefox 4.0 or later, Google Chrome, or Opera 11

Target Audience: It is aimed at undergraduate students studying physiology on a range of biomedical courses.

Price: £250.00 (multiuser, educational license)

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