A quartz crystal microbalance (QCM) (also known as quartz microbalance (QMB), sometimes also as quartz crystal nanobalance (QCN)) measures a mass variation per unit area by measuring the change in frequency of a quartz crystal resonator.

石英晶体微天平（Quartz Crystal Microbalance，QCM）的发展始于上世纪60年代初期，它是一种非常灵敏的质量检测仪器，其测量精度可达纳克级，比灵敏度在微克级的电子微天平高1000 倍，理论上可以测到的质量变化相当于单分子层或原子层的几分之一。

Shop for QCM sensor crystals with a variety of coating and metalization options and quartz crystal microbalance devices and accessories.

Quartz crystal microbalance with dissipation is a highly sensitive surface technique that monitors real-time changes occurring at surfaces with nano-level sensitivity. When combined with electrochemistry, it can provide information on mass and structural changes associated with electron transfer processes occurring at the electrode surface ...

2021年3月24日 · Quartz crystal microbalance with dissipation (QCM-D) monitoring is a powerful tool used to sensitively examine the real-time responses of polymer films to external responses. For example, the technique is commonly used to monitor film growth, material adsorption, thin film swelling, and ion exchange.

The QCM-I (QCM-D) measuring unit is a high-sensitivity mass sensor, which measures the change in frequency of a quartz crystal resonator and as a label free biosensor it measures the “wet mass” of the adsorbed layer in processes occurring at or near the sensor surface.

2023年3月4日 · Compared to other sensing devices, the Quartz Crystal Microbalance (QCM) is well-established and has been considered and sufficiently sensitive for detecting molecules, chemicals, polymers, and biological assemblies.

2019年4月6日 · The Quartz Crystal Microbalance is a well-established and sensitive technique used to measure the interactions of molecules, polymers and biological assemblies with a sensor surface, in air or liquid, label-free and in real time. It is based on the change in resonant frequency of a quartz crystal sensor when it is covered with a thin film or ...

Quartz Crystal Microbalance with Dissipation monitoring (QCM-D) is a real-time, surface sensitive technique for analyzing surface-interaction phenomena, thin film formation and layer properties.

NDK introduces liquid-phase biosensors (mainly biomolecular interaction analyzers, etc.) and gas-phase gas sensors and outgas sensors using the QCM method. QCM is short for “Quartz Crystal Microbalance,” and is a method of measuring micro mass changes using …