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1.
Equipment name:
LANGMUIR-BLODGETT
KSV 5000
Catalog name
of the equipment: KSV 5000
Acquisition date: 2004
Producer: KSV Instruments Ltd. Finland
Equipment
type: Strategic equipment
KSV 5000
2. Domains of activity:
Thermodynamic approach on molecular and colloidal self-assemblies at fluid
interfaces, supramolecular structures, Langmuir-Blodgett (LB) interfacial
structures; transfer of LB structures on various solid substrates (LBT).
Molecular recognition of biomolecules in thin films of biomedical and
biological importance and for life science. Modelling of membrane processes
in monolayers and multi-layered structures. Biophysics of drug biomolecules
at interfaces. Mimicking of biological processes at fluid interfaces.
3. Technical characteristics:
• Surface Pressure Measurements
• The deposition of monolayers onto solid substrates with precise control of
the monolayer thickness,
homogeneous deposition of the monolayer over large areas and the possibility
to make multilayer structures
with varying layer composition
• The production of so-called alternating layers which consist of two
different kinds of amphiphilic molecules
is also possible, using the double trough
• Regular trough and double trough for alternating layers
• Surface Potential Measurements
4. Services:
Surface Pressure Measurements:
• Wilhelmy plate-method, Dynamic range: 0 to 150 mN/m, Resolution: 4μN/m
• Barrier speed: 0,01- 400 mm/min
• Kinetics and thermodynamics in monomolecular films
The deposition process:
• Langmuir-Blodgett method is used
• Deposition speed: 0.1 to 85 mm/min
• Maximum number of layers: unlimited
• Time of deposition: unlimited
• Max size of substrate: 100x100x10 mm (100% immersion)
• Optical and structural properties in thin films
Surface Potential Measurements:
• Data range: -4/+4 V
• Sensibility: 1mV
• Response time: 2 secunds
• Molecular dipoles oriented at interfaces
5. Contact persons:
Assoc. Prof. Dr. Aurora Mocanu, e-mail:
amocanu@chem.ubbcluj.ro
Assist. Prof. Dr. Roxana-Diana Pasca
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