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INSTRUMENTAL LABORATORIES AND TECHNOLOGICAL PILOT PLANTS<br />

227<br />

Application: Surface and interfacial tension measurement of liquids – Du Noüy Ring method and<br />

Dynamic Wilhelmy method with range 1-1000 mN/m; dynamic contact angle measurements; surface<br />

energy calculations on solids, powders, pigments, fibers, etc.; sorption measurements with the<br />

Washburn method for determining the surface energy of a powder-form solid. Controlled by<br />

LabDesk software.<br />

• Spectrophotometer UV-VIS<br />

UNICAM SP 1800 with linear recorder UNICAM AR 25<br />

Technical data: Wavelength – 190-850 nm.<br />

• Equipment for gel electrophoresis<br />

System consists of: horizontal electrophoresis apparatus SUBMINI Electrophoresis Mini-System,<br />

transilluminator UV STS-20M JENCONS (United Kingdom), centrifuge EBA 12 Hettich/Zentrifugen,<br />

microwave oven KOR 8167 Daewoo.<br />

• Melt flow tester<br />

ZWICK 4105, Zwick GmbH (Germany)<br />

Technical data: temperature of measurements – 150, 190 and 230 o C; press load – 2.16 and 5.00 kg;<br />

manual operating.<br />

Application: Determination of standard values of melt-mass flow rate (MFR) of the thermoplastic<br />

materials (polymers) under specified conditions of temperature and load (according to standards:<br />

PN-EN ISO 1133:<strong>2005</strong>, ASTM 1328); comparison of rheological properties of polymers, including<br />

filled materials; comparison of degree of degradation; testing of catalogue data.<br />

• Transiluminator UV<br />

STS-20M, JENCONS (United Kingdom)<br />

Technical information: six 15 W bulbs, emitted 312 nm wavelength, which corresponds to the fluorescence<br />

excitation maximum of ethidium bromide. Product description: For visualisation of ethidium<br />

bromide – stained nucleic acids fluorescence detection systems. Fluorescence intensity is enhanced,<br />

while photobleaching and photonicking of stained nucleic acids are reduced.<br />

2. Radiation Sterilization Pilot Plant of Medical Devices and Tissue Grafts<br />

Activity profile: Research and development studies concerning new materials for manufacturing<br />

single use medical devices (resistant to radiation up to sterilization doses). Elaboration of monitoring<br />

systems and dosimetric systems concerning radiation sterilization processing. Introducing specific<br />

procedures based on national and international recommendations of ISO 9000 and PN-EN<br />

552 standards. Sterilization of medical utensils, approx. 70 million pieces per year.<br />

• Electron beam accelerator<br />

UELW-10-10, NPO TORIJ (Moscow, Russia)<br />

Technical data: beam energy – 10 MeV, beam power – 10 kW, supply power – 130 kVA.<br />

Application: Radiation sterilization of medical devices and tissue grafts.<br />

• Spectrophotometer UV-VIS<br />

Model U-1100, Hitachi<br />

Technical data: wavelength range – 200-1100 nm; radiation source – deuterium discharge (D 2 ) lamp,<br />

and tungsten-iodine lamp.<br />

• Spectrophotometer UV-VIS<br />

Model SEMCO S/EC<br />

Technical data: wavelength range – 340-1000 nm, radiation source – halogen lamp.<br />

Application: Only for measurements of dosimetric foils.<br />

• Bacteriological and culture oven with temperature and time control and digital reading<br />

Incudigit 80L<br />

Technical data: maximum temperature – 80 o C, homogeneity – ±2%, stability – ±0.25%, thermometer<br />

error – ±2%, resolution – 0.1 o C.<br />

3. Laboratory of Radiation Microwave Cryotechnique<br />

Activity profile: Radiation processes in solids of catalytic and biological importance: stabilization of<br />

cationic metal clusters in zeolites, radical reactions in polycrystalline polypeptides, magnetic properties<br />

of transition metals in unusual oxidation states; radical intermediates in heterogeneous<br />

catalysis.<br />

• Electron spin resonance X-band spectrometer (ESR)<br />

Bruker ESP-300, equipped with: frequency counter Hewlett-Packard 5342A, continuous flow helium<br />

cryostat Oxford Instruments ESR 900, continuous flow nitrogen cryostat Bruker ER 4111VT,<br />

ENDOR-TRIPLE unit Bruker ESP-351.<br />

Application: Studies of free radicals, paramagnetic cations, atoms and metal nanoclusters as well as<br />

stable paramagnetic centers.

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