Diamond quantum sensors can detect heart magnetism at room temperature without skin contact

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Published: 2026-09-17T15:45:49.540Z • Permanent link

Physicists at Johannes Gutenberg University Mainz (JGU) have made a groundbreaking discovery in the field of quantum sensing, developing a technology that uses diamond-based quantum sensors to measure biomagnetic signals, such as heart activity, at room temperature without skin contact. Led by Dr. Miriam Baier, a renowned expert in quantum sensing, the research team at JGU has successfully demonstrated the ability to detect heart magnetism using these novel sensors. This achievement marks a significant milestone in the development of non-invasive, high-sensitivity biomagnetic sensors, which could have far-reaching implications for various medical applications.

The breakthrough was achieved through the development of a new type of diamond-based quantum sensor, known as a diamond nitrogen-vacancy (NV) center, which is capable of detecting magnetic fields with unprecedented sensitivity. The researchers at JGU used a combination of advanced nanotechnology and cutting-edge quantum sensing techniques to engineer these sensors, which are made from a single crystal of diamond. The resulting sensors are able to detect even the smallest changes in magnetic fields, allowing for the detection of biomagnetic signals such as heart activity.

The success of this technology is a testament to the innovative research being conducted at JGU, which has been at the forefront of quantum sensing research for several years. The university's research group has been working closely with industry partners, including companies such as IBM and Siemens, to develop practical applications for quantum sensing technologies. This collaboration has led to the development of a range of innovative products and solutions, including non-invasive biomagnetic sensors, which could revolutionize the diagnosis and treatment of various medical conditions.

The development of diamond-based quantum sensors for biomagnetic sensing has significant implications for the medical research community, particularly in the fields of cardiology and neurology. Non-invasive biomagnetic sensors could enable researchers to measure heart activity and other biomagnetic signals in real-time, without the need for invasive procedures such as electrocardiograms (ECGs) or magnetic resonance imaging (MRI). This could lead to significant improvements in patient care, particularly for patients with complex medical conditions, such as arrhythmias or cardiac arrhythmias.

The impact of this technology could also be felt in the broader healthcare industry, as companies such as Medtronic and Boston Scientific develop new products and solutions based on quantum sensing technologies. The development of non-invasive biomagnetic sensors could also lead to significant cost savings for healthcare systems, as the need for invasive procedures is reduced. Furthermore, the use of quantum sensing technologies could also enable the development of new diagnostic tools and biomarkers, which could lead to significant advances in our understanding of various medical conditions.

The development of diamond-based quantum sensors for biomagnetic sensing is part of a larger trend towards the development of new quantum sensing technologies, which has been driven by advances in materials science and nanotechnology. In recent years, researchers have made significant progress in the development of quantum sensing technologies, including the development of diamond-based quantum sensors, which have shown great promise for a range of applications, including navigation, magnetometry, and biosensing. The development of these technologies has also been driven by advances in computing, particularly the development of quantum computing architectures, which have enabled the simulation of complex quantum systems and the development of new quantum sensing protocols.