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Description
A plastic which conducts electricity and a biodegradable plastic drug carrier which replaces twenty eight daily injections.
Metadata describing this Open University video programme
Module code and title: S246, Organic chemistry
Item code: S246; 06; 1991
First transmission date: 18-08-1991
Published: 1991
Rights Statement:
Restrictions on use:
Duration: 00:25:00
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Producer: Tony Jolly
Contributors: Jim Feast; Peter Taylor
Publisher: BBC Open University
Keyword(s): D.L. Lactide, glycolide, polypeptide drug; Polycetylene films, biodegradable plastics; Prostate cancer
Subject terms: Chemistry, organic; Plastics; Polymerization; Polymers
Footage description: Footage - Durham Cathedral. Traffic cone (0'23"-1'09") - Polythene. Plastic covered copper wire. Molecular model of polyethelene. Graphic of polyacetylene and a conductivity diagram (1'18"-6'09") Silvery foil in testube. Golden foil in testube (6'28"-7'12") - Graphic of polyacetylene. Ring Opening Metathesis Polymerisation (ROMPING). 3D models of monomers, polymers and triene. Glass tube of 'metallic' polymer (7'13"-12'02") - Technician places hotplate under film. Time lapse sequence of film changing colour from yellow to reds to oranges to brown, black and the shiny metallic material. Electrodes connected to film, iodine added, heated and shown to conduct electricity (12'03"-12'52") - Castle. ICI Zoladex plant. Graphic of human internal organs (13'39"-14'17") - Laboratory. Graphic of decapeptide formula. Liquid in conical flask. Graphic of testosterone/oestrogen. Cancer patient (14'18"-15'50") - Graphic of digestive system (16'05"-16'25"). Computer animation of injection and depot dissolving (17'31"-17'45") - D,L-lactide and glycolide, graphics of formulas. VDU screen. Graphic of C13 NMR spectrum. Depots in pyrex beakers (18'03"-19'19") - Illustration of depot degradation (19'23"-19'55") - Picture of SEM freeze fracture surface of degraded co-polymer after 24hrs, SEM A/B, SEM A/B after 14 days (20'40"-21'04") - Graphic of degradation of depot (21'14"-21'30") - Graphic of NM-linear valence profile (21'43"-21'59") - Graphic of release profile. Injection into patient (22'28"-2 2'51") - Castle. Durham Cathedral bells (23'13"-24'04").
Master spool number: HOU6848
Production number: FOUS620R
Videofinder number: 5834
Available to public: no