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QSense® is the world-leading, premium QCM-D solution for nanoscale tracking of interactions at surfaces and interfaces. It can provide you with unique, reproducible, in-depth data with high productivity and ease of use along the way. 

This enables a fundamental understanding of processes, an early indication of real-life outcome and the ability to optimize products and processes for authentic conditions. By investing in a QSense instrument you put yourself and your team at the forefront of scientific progress and technological innovation.

Technical specifications

Measurement range and capacity

Pro Analyzer Explorer Initiator
Measurement channels 8 4 1 1
Working temperature 4 to 70°C, 4 to 150°C using accessory chamber (QSense High Temperature chamber) 15 to 65°C, 4 to 150°C using accessory chamber (QSense High Temperature chamber) 15 to 65°C, 4 to 150°C using accessory chamber (QSense High Temperature chamber) 20 to 45°C
Sensors (frequency range) 5 MHz (1-72) 5 MHz (1-72) 5 MHz (1-72) 5 MHz (1-72)
Number of measured harmonics 7, allows for full viscoelastic modeling 7, allows for full viscoelastic modeling 7, allows for full viscoelastic modeling 2

Sample and fluidics

Minimum sample volume,
stagnant mode
~ 15 μl
~ 1 μl minimum dispense volume
~ 40 μl
~ 10 μl using add-on module (QSense Open module)
~ 40 μl
~ 10 μl using add-on module (QSense Open module)
~ 40 μl
Minimum sample volume,
flow mode
~ 50 μl ~ 200 μl ~ 200 μl ~ 200 μl
Flow rates Typical flow rate 20 µl/min.
Flow speed range 1-40 µl/min (4 sensors), 1-100 µl/min (1 sensor).
25-150 μl/min applicable for QSense setup (Peristaltic pump settable to 0-1 ml/min) 25-150 μl/min applicable for QSense setup (Peristaltic pump settable to 0-1 ml/min) 25-150 μl/min applicable for QSense setup (Peristaltic pump settable to 0-1 ml/min)

Performance characteristics

Maximum time resolution 100 datapoints per second (each datapoint represents an f and D value) 300 datapoints per second (each datapoint represents an f and D value) 300 datapoints per second (each datapoint represents an f and D value) 4 datapoints per second (each datapoint represents an f and D value)
Long-term stability* Frequency: < 1 Hz/h
Dissipation: < 0.15∙10-6
Temperature: < 0.02 ˚C/h
Frequency: < 1 Hz/h
Dissipation: < 0.15∙10-6
Temperature: < 0.02 ˚C/h
Frequency: < 1 Hz/h
Dissipation: < 0.15∙10-6
Temperature: < 0.02 ˚C/h
Frequency: < 1 Hz/h
Dissipation: < 0.15∙10-6
Temperature: < 0.02 ˚C/h

Dimensions and weight

Electronics unit HxWxD (cm), W (kg) 70x67x57, 83 18x36x21, 9 18x36x21, 9 18x36x21, 9
Measurement chamber HxWxD (cm), W (kg) 70x67x57, 83 12x23x34, 8 5x10x15, 1 5x10x15, 1

* The temperature stability depends on variations in how the ambient affects the warming or cooling of the chamber. The specified temperature stability may not be reached if the room temperature changes more than ± 1° C, if there is a draft or a heat source nearby. All specifications are subject to change without notice. 

Available models

QSense Pro

Most suitable when

  • You need maximized throughput: The 8-channel system can produce a lot of data every day
  • You want to test and compare samples: 8 channels and 4 separately controlled syringe pumps let you evaluate several samples and parameters in one go
  • You need highly reproducible results: The fully automated system minimizes human errors and maximizes user-independence
  • You want to conduct experiments in both high and low temperatures: The instrument works with a temperature range between 4-70 °C
  • You need more time: The system can be pre-programmed and left unattended during experiments, leaving you with time to do other things
QSense Analyzer

Most suitable when

  • You are interested in high throughput: The system has 4 channels for simultaneous measurements making it an excellent choice for rapid data collection
  • You want to test and compare samples: Running several samples at the same time lets you evaluate different parameters in one go
  • You want to study a broad range of scenarios: QSense Analyzer supports a temperature range between 15-65 °C and the possibility to use harsh chemical solvents
  • You need the possibility to expand your experimental setup: Add accessory chambers and modules to explore more experimental opportunities, extended measurement conditions, or combination with complementary techniques

 

QSense Explorer

Most suitable when

  • You want to maximize the available experimental context: The possibility to combine QCM-D with other techniques invites you to expand the understanding of your surface processes
  • You want to study under a wide range of conditions: Depending on your specific research needs you can create a QSense Explorer configuration compatible with temperatures up to 150° C and variable gas phase pressures. You can also build your instrument with the ability to withstand harsh solvents
QSense Initiator

Most suitable when

  • You are getting started with QCM-D: A clean design and straightforward software makes QSense Initiator perfect as an introduction with the QCM-D technology
  • You are into the basics: QSense Initiator supports all the core functions and basic qualities of QSense instruments
  • You need to study interactions qualitatively: But not to quantify your films.
  • You will experiment within a limited temperature range: You are performing your measurements between 20-45 °C

 

QSense High Pressure

Most suitable when

  • You are striving to explore real-life high pressure and high temperature conditions: For the standard configuration the pressure and temperature can be set to a maximum of 200 Bar and 150 °C respectively, but the instrument can also be configured after your specific needs
  • You want to expand your possibilities: The system is built upon the versatile and modular QSense Explorer providing plenty of add-ons if you want to widen your view 

QCM-D QSense Pro

QSense Pro - Applications and Instrument

QSense Analyzer

QSense Explorer

Biolin Scientific

Biolin Scientific is a worldwide company making state of the art instruments and smart solutions for scientists. Knowledge is our greatest resource and an essential part of everything we do. In collaboration with leading universities and industries, we solve challenges to simplify the everyday life in the lab. Our customers are the experts in surface science, and we have the tools for them to progress.

The Biolin Scientific portfolio consists of the following brands: Attension®, KSV NIMA and QSense.

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