Aji Mathew's lab is located at the Arrhenius Laboratory in lab C270.
The lab is equipped with machinery for processing of nanofibers and cellulose nanocrystals, membrane characterization etc.
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Other research facilities at the department of Materials and Environmental Chemistry can be found at: https://www.mmk.su.se/research/research-facilities

Cellulose nanofiber and cellulose nanocrystal processing laboratory
High pressure homogeniser (APV 2000)
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Two chambers operating at (maximum) 2000 bar pressure
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With ATEX for handling solvents.
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Capicity 11 l/h
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Plunger in Ceramic, 10 mm in diameter

Ultrasound sonicator (Q2000, Qsonica)
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2 kW
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With flow cell.
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2 kHz frequenzy.
Contact person: Chuantao Zhu

Rotavapor R-300 (BUCHI)
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Rotation speed: 10-280 rpm
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Frequency: 50/60 Hz
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Immersion angle: 10 – 50°
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Max. flask capacity: 3 kg

Acid hydrolysis units
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Handles 1-2 kg material

High shear mixtures
(Ystral X50/10)
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Mixer
Contact person: Luis Valencia

MASUKO super masscolloider
(MKZA10-15J CE)
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MKE 11 kW motor
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Control box for variable drive
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Grinder diameter: 250 mm
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Standard capacity: 80~1200Kb/Hr
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Rotation speed: 1500rpm/1800rpm
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Contact person: Luis Valencia

High performance centrifuge (Sorvall LYNX 6000 Superspeed Centrifuge)
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Max. Speed: 29,000 rpm
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Max. RCF: 100,605 x g

Processing facilities
Electrospinning/electrospraying unit (Y flow, Spain)
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Single and co-axial spinning
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Single and multi-het spinneret
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Flow rate: 16 ul/h to 2400 ml

3D printer (Ultimaker 2+, USA)
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Melt and gel printing
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Print head travel speed: 30 to 300 mm/s
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Print head with Swappable nozzle

Spin coater (SPIN150i)
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Spin speed: 1-12,00 rpm (1rpm steps)
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Max. acceleration: 30 000 rpm/sec

Binder Vacuum Oven
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An oven for vacuum drying

Freeze drying equipment (Alpha Christ 1-2 LD Plus)
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Ice condenser capacity: 2.5 kg
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Ice condenser performance: 2kg/24h
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Ice condenser temperature: -55°C

Automatic Film Applicator (Elecometer 4340 Motorised)
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11 pre-set transverse speeds from 0.2 to 3.9 inches per second
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Up to 3 film applicators simultaneously

Heating Circulator with Open Bath (CORIO CD-B17)
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Temperature range (°C): +20 to +150
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Temperature stability (°C): ± 0.03

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Vacuum filtration units for nanopaper processing
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Autoclave (Parr)
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Electronic balances
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Membrane Characterization facilities
Membrane Zeta potential cells (Zetasizer Nano ZS, Malvern)
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Dynamic Light Scattering, Electrophoretic Light Scattering and Static Light Scattering using Debye plot
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Measurement range for Zeta potential: 3.8nm – 100 microns (diameter)
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Sensitivity for Zeta potential: 10mg/mL (BSA).

Convergence Inspector, Titan
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Range: 40 L/min or 5 L/min

Sterlitech dead end cell (Sterlitech HP4750 stirred cell, USA)
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Max operating pressure: 1000 psi (69 bar)
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Membrane size: 47-49 mm diameter
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Active Membrane Area: 14.6 cm2
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Processing volume: 300 ml
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Hold-up volume: 1 ml

Tensile and compression tester (Instron 5966 Dual Column Tabletop Testing System)
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10 kN (2,250 Ibf) capacity
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Speed range of 0.001 - 3000 mm/min (0.00004 - 120 in/min)

Rheology and dynamic mechanical thermal analysis
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Viscometer
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Refractometer
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Rheometer
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DMTA

Other minor equipments
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Densimeter
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Refractometer
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Karl Fischer Titrator

Surface characterisation and Atomic force microscopy
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Contact angle Drop Shape Analyzer – DSA25E (KRÜSS instruments)
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Force Tensiometer – K100
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Multimode 8 with Quantitative nano mechanical mapping

Tensile and compression tester (Instron 5966 Dual Column Tabletop Testing System)
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10 kN (2,250 Ibf) capacity
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Speed range of 0.001 - 3000 mm/min (0.00004 - 120 in/min)

Miscellaneous
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Optical microscope
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pH and conductivity meters
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Bath sonifier