Real-time monitoring of glucose and lactic acid is of great significance in the fields of biopharmaceuticals, food industry, and environmental monitoring. As a new detection technology, online glucose/lactic acid sensor plays an important role in many fields with its unique advantages. In this paper, the working principle, characteristics and application value of online glucose/lactic acid sensor will be elaborated in detail.

Working Principle of On-line Glucose/Lactic Acid Sensor

The on-line glucose/lactate sensor is based on enzyme electrochemistry, whereby an immobilized enzyme reacts specifically with the glucose and lactate molecules to produce a current signal. The sensor converts the current signal into concentration information to realize real-time monitoring of glucose and lactate. Its main components include enzyme membrane, electrode, signal processor, etc.

Characteristics of on-line glucose/lactic acid sensors

1. real-time

Online glucose/lactate sensors are able to monitor changes in glucose and lactate concentrations in real time, with data generated at a high frequency, typically 20 seconds/time. This allows researchers to quickly understand the changes in the system under test, providing timely guidance for subsequent operations.

2. Accuracy

The sensors utilize enzyme electrochemistry, which is highly specific and capable of accurately recognize glucose and lactate molecules. Meanwhile, by optimizing the sensor structure design and signal processing algorithm, the system error was reduced and the detection accuracy was improved.

3. Non-destructive testing

The online glucose/lactic acid sensor does not require sampling, and is inserted directly into the system under test for testing, avoiding sample contamination and loss that may result from the sampling process. In addition, non-destructive testing helps to reduce the number of operational steps and improve testing efficiency.

4. Stability

The sensor adopts the immobilized enzyme technology, which effectively improves the enzyme stability and service life. At the same time, the sensor has good anti-interference ability, and can work stably in a complex environment.

5. Ease of use

Operation of the on-line glucose/lactate sensor is simple and can be done without specialized personnel. Simple to install and maintain without specialized personnel. In addition, the sensor can be connected to external devices (e.g., smart phones, computers, etc.) via wireless communication technology, making it easy for users to view data in real time.

6. Integration

The sensor can be integrated with other devices (e.g. OPC) as required. demand and integrate with other devices (such as OPC server, control system, etc.) to realize automation and intelligent monitoring and control.

Online Glucose/Lactic Acid Sensors Value of the Application

138}}1. Biopharmaceutical field

In the biopharmaceutical process such as cell culture and fermentation process, real-time monitoring of glucose and lactic acid concentration is of great significance in understanding the growth status of the cells and regulating the metabolic pathways. Online glucose/lactate sensors provide an efficient monitoring means for the biopharmaceutical industry, which helps to improve product quality and production efficiency.

2. In the field of food industry

glucose and lactic acid are common indicator components in the food industry. Through online monitoring of glucose and lactic acid concentration, we can grasp the changes of food fermentation, storage and other processes in real time to ensure product quality and safety.

3. In the field of environmental monitoring,

online Glucose/lactic acid sensor can be used for environmental monitoring such as water quality, soil, etc. It can grasp the pollution condition in real time and provide data support for environmental protection.

4. Medical Diagnostic Field

Glucose and lactate are important indicators of metabolic processes in the human body. Online glucose/lactic acid sensors have a wide range of applications in the field of medical diagnosis, such as real-time monitoring of patients' blood glucose and lactic acid levels, which provides a basis for clinical treatment.

Online glucose/lactic acid sensors have wide application value in the fields of biopharmaceuticals, food industry, and environmental monitoring, due to their real-time, accurate, non-destructive, stable, easy-to-use, and integrated features. Wide range of application value. With the continuous progress of technology, online glucose/lactic acid sensor will play an important role in more fields and contribute to the development of human society.