High Sensitive Benchtop EPR Spectrometer MiniScope MS300

Detectable Species for Quantification

• Free radicals
• Paramagnetic transition metal ions
• Metals
• Crystal lattice (defects)

Samples

• Aggregation from liquid to solid,
  e. g. liquids, solutions, suspensions, blood, cells, paste, vessels, tissue, powder, solid compound

Temperature of the Sample

• Resonator temperature (32 - 34°C)
• - 196 °C (Accessories: Dewar, liquid nitrogen)
• - 170 to + 200 °C for capillaries and sample tubes of outer diameter 3 mm (Accessory: Temperature Controller TC H02)

Detection Limit

• 10 nM TEMPOL in 50 mM phosphate buffer, pH 7,4 *
• 8 x 10 Spins/0,1 mT

* Sample vessel flat cell 7 mm, microwave power 20 mW, modulation amplitude 0,2 mT, scan time 4 times 60 s, time constant 100 ms

Packages for Special Applications

• Alanine dosimetry
• NO-Fe(II)DETC
• Reactive oxygen species (ROS)

Packages for Automation

• Flow through system, Multi-Channel
• Flow through system, One-Channel

Sample Vessels

• Capillaries, sample tubes (outer diameter 3 - 6 mm)
• Flat cells (width of the flat section 5 or 7 mm)
• Tissue cell
• Dewar
• Special cuvettes

1 µM TEMPOL, 50 mM phosphate buffer pH 7.4*

Accessories

• Temperature Controller TC-H02
• Auto sampler
• General accessories
• Glassware
• Software

Delivery

• Spectrometer
• Guidance Tube F 120/1.5 for capillaries
• 250 pieces 50 µl capillaries
• Sealing kit for capillaries
• Standard-Software
• MiniScope Control
  (control software):
  • Adjust of the measurement parameters
  • Automatic or manual tuning
  • Recording of Spectra
  • Saving of data
  • 4096 data points per spectrum, etc.

• Analysis (calculation software):
  • Amplitude calculation
  • Integration
  • Baseline correction
  • Filtering
  • g-value estimation
  • Summation of spectra, etc.
• Multiplot (presentation software):
  • Overlay of spectra
  • Display of spectra in series
  • Adaptation of the gain
  • X-Axis title selection: data points, field or time
  • Export of data in ASCII files, etc.

Extensions for the MiniScope MS300 you can find in the Catalogue (EPR Spectrometer)

Technical Data

Computer System

Processor		from Pentium II upwards
Operating system		Microsoft Windows 98 SE, 2000 und XP
Interface		RS232 or USB

Microwave Bridge

Microwave power		100 µW - 50 mW (optional 10 µW - 100 mW)
Resonator		rectangular TE102 with improved baseline stability
Microwave frequency		9.3 - 9.55 GHz
Tuning		automatic with high precision, manual tuning possible

Electro Magnet

Modulation amplitude		5 µT - 0.7 mT
Modulation frequency		100 kHz
Magnetic field range		50 - 450 mT (optional - 50-600 mT, water cooling required)
Field sweep		0 - 400 mT (optional 0 - 550mT, water cooling required)
Sweep time		12 s - 34 min
Stability		2 µT
Homogeneity		± 5 µT in the sample region
Cooling		air (optional water)

Case

Size		53 x 42 x 36 cm (length x width x height)
Weight		about 60 kg
Power consumption		about 500 W