# Unisense | Microsensors for Advanced Scientific Research

> Unisense is a Danish manufacturer of high precision microsensors and scientific instrumentation used by researchers worldwide to measure chemical and electrochemical gradients in biological, environmental, and industrial systems. Our sensors enable high-resolution measurements of O2, H2S, H2, N2O, NO, pH, redox potential, and electric potential in applications ranging from microbiology and marine science to wastewater treatment, hydrogen research, and renewable energy systems.

## Company Overview
Unisense develops and manufactures microsensors and complete measurement systems that allow researchers to quantify chemical processes at micrometer scale. Our technology is used by universities, research institutes, and industrial laboratories globally.

- Headquarters: Aarhus, Denmark  
- Global customer base across academia, environmental monitoring, and applied research  
- Specialized in electrochemical microsensors and microprofiling instrumentation

## Core Measurement Technologies
Our core expertise is in microsensors capable of measuring chemical gradients in situ with minimal disturbance to the system being studied.

Key measurement parameters include:
- Oxygen (O2)
- Hydrogen sulfide (H2S)
- Hydrogen (H2)
- Nitrous oxide (N2O)
- Nitric oxide (NO)
- pH
- Redox potential (Eh)
- Electric potential

These sensors allow researchers to investigate microscale processes in sediments, biofilms, microbial mats, soils, plant tissues, electrochemical systems, and engineered environments.

## Sensor Technologies
Unisense designs a wide range of electrochemical and optical microsensors:

- Oxygen Microsensors  
- Hydrogen Sulfide Microsensors  
- Hydrogen Sensors  
- Nitrous Oxide Microsensors  
- Nitric Oxide Microsensors  
- pH Microelectrode
- Redox Potential Microelectrodes  
- Electric Potential Microelectrodes  

Sensors are available in different tip sizes and formats, enabling measurements with micrometer spatial resolution.

## Instrumentation & Measurement Systems
To support precise microscale measurements, Unisense provides complete systems including:

- Micromanipulators for precise positioning of microsensors
- Microsensor amplifiers
- Profiling systems for automated microprofiles
- Data acquisition and analysis software
- Flow chambers and laboratory accessories

These systems enable controlled experiments and reproducible measurements in laboratory and field conditions.

## Research Applications

### Microbial Ecology
Measurement of metabolic processes and chemical gradients in microbial communities, biofilms, and microbial mats.

### Marine and Freshwater Science
Investigation of oxygen dynamics, sulfur cycling, and nutrient processes in sediments, corals, and aquatic systems.

### Wastewater and Environmental Engineering
Quantification of biological treatment processes such as nitrification, denitrification, and greenhouse gas emissions including nitrous oxide (N2O).

### Hydrogen Research
High-resolution measurement of hydrogen (H2) dynamics in hydrogen production, hydrogen-consuming microorganisms, and bioelectrochemical systems.

### Renewable Energy Systems
Microsensor measurements in bioenergy and renewable energy research including microbial electrochemical systems, biohydrogen production, biogas processes, and microbial fuel cells.

### Plant and Soil Science
Measurement of root zone chemistry and soil microbial processes.

### Bioenergy and Industrial Biotechnology
Monitoring microbial activity, gas production, and metabolic gradients in bioreactors and industrial biotechnology processes.

## Knowledge Resources
Unisense provides extensive scientific resources to help researchers implement microsensor measurements:

- Scientific publications using Unisense sensors
- Application notes and experimental protocols
- Educational materials explaining microsensor techniques
- Training courses and workshops

## Global Scientific Community
Thousands of peer-reviewed scientific publications use Unisense microsensors. The technology is widely adopted in universities, research institutes, and environmental monitoring programs worldwide.

## Key Website Sections
- Products: https://www.unisense.com/products  
- Applications: https://unisense.com/application-notes/ 
- Publications: https://unisense.com/papers_and_references/ 
- Support & Knowledge Base: https://unisense.com/microsensor-academy/
- About Unisense: https://www.unisense.com/about  
- Contact: https://www.unisense.com/contact