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University of Groningen


Wonderful and weird

Ferroelectric materials like hafnia show promise for non-volatile random-access memory (RAM) due to their stability at high temperatures. Hafnia's unique properties, including the movement of oxygen vacancies, make it an attractive candidate for memristors that mimic brain-like computer architectures.

SourceUniversity of Groningen·JournalNature Materials·TypeLiterature review·DateJun 20, 2023

Producing large, clean 2D materials made easy: just KISS

Researchers have developed a simple method to produce large and very clean 2D samples from a range of materials using three different substrates. The kinetic in situ single-layer synthesis (KISS) technique allows for the production of air-sensitive 2D materials, overcoming the drawbacks of previous methods.

SourceUniversity of Groningen·JournalAdvanced Science·TypeExperimental study·DateJun 1, 2023

Evolutionary history of detoxifying enzymes reconstructed

Scientists have reconstructed the evolutionary history of flavin-containing monooxygenases (FMOs), a class of detoxifying enzymes present in all lifeforms. The study reveals that a single ancestral gene diverged into two distinct functions, with one gene triggering a different breakdown reaction.

SourceUniversity of Groningen·JournalNature Communications·TypeComputational simulation/modeling·DateFeb 27, 2023

Cells avoid multitasking

Researchers at the University of Groningen discovered that cells separate essential biochemical reactions into different time periods. This separation explains metabolic oscillations leading up to cell division and has implications for our understanding of cellular physiology, cancer, and aging.

SourceUniversity of Groningen·JournalNature Metabolism·TypeExperimental study·DateFeb 27, 2023

The unnecessary burden of war

A study finds that governments could help millions of people and save a lot of money with targeted energy subsidies. The research quantifies the impacts of the energy crisis on households worldwide, revealing that indirect energy costs impose the biggest burden on both high- and low-income countries.

SourceUniversity of Groningen·JournalNature Energy·TypeData/statistical analysis·DateFeb 17, 2023

The secrets of polydopamine coatings revealed

Researchers at the University of Groningen have discovered the exact structure of polydopamine coatings, which could lead to new applications in surface adhesion and neurodegenerative disease treatment. The study found that these coatings form through auto-oxidation, crosslinking and isomerization processes.

SourceUniversity of Groningen·JournalNature Communications·TypeExperimental study·DateFeb 16, 2023

Predicting calving problems before insemination

A predictive model developed by University of Groningen researchers can identify cows at risk of dystocia before insemination. The model, which uses machine learning on a large dataset, suggests that it could roughly halve the risk of calving problems.

SourceUniversity of Groningen·JournalPreventive Veterinary Medicine·TypeComputational simulation/modeling·DateDec 23, 2022

Wearable electronics from starch to prevent e-waste

Researchers developed a biodegradable material that decomposes in weeks to months, replacing toxic metal components of electronic devices. The starch-based polymer uses natural enzymes and has the right properties for sensors, offering an alternative to complex polymers and reducing e-waste.

SourceUniversity of Groningen·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateDec 15, 2022

Modified enzyme brings value to lignin monomers

A team of scientists, led by Marco Fraaije from the University of Groningen, has developed an enzyme that can convert lignin monomers into useful chemical building blocks. The enzyme has been engineered to be stable, selective, and faster in conversion, offering a promising solution for the valorization of biomass.

SourceUniversity of Groningen·JournalNature Communications·TypeExperimental study·DateNov 29, 2022

Light-driven molecular motors light up

Scientists have successfully created two types of light-driven molecular motors that can both rotate and fluoresce in the same molecule. This achievement demonstrates that these motors can be designed to control various functions using light energy, paving the way for potential applications in biomedical imaging and cellular processes.

SourceUniversity of Groningen·JournalScience Advances·TypeExperimental study·DateNov 4, 2022

Quantum dots form ordered material

Researchers have successfully created a highly conductive metamaterial using self-organized quantum dots, maintaining their optical properties while displaying the highest electron mobility reported for quantum dot assemblies. This breakthrough paves the way for new generation of opto-electronic applications.

SourceUniversity of Groningen·JournalAdvanced Materials·TypeExperimental study·DateNov 1, 2022

Chinese penduline tit buries eggs to prevent them from blowin’ in the wind

In Chinese penduline tits, egg burial is primarily done to prevent eggs from rolling out of the nest in strong winds, a function that may have evolved in ancient species of the genus. This study found that 45% of eggs in experimental nests showed signs of being blown out, highlighting the importance of egg burial in these birds.

SourceUniversity of Groningen·JournalAnimal Behaviour·TypeExperimental study·DateMay 15, 2022

How cells control their borders

A team of biochemists at the University of Groningen discovered that membrane thickness, lipid phase, and sterol type are key factors in determining permeability. This knowledge can help companies optimize microbial production and improve drug design.

SourceUniversity of Groningen·JournalNature Communications·TypeExperimental study·DateMar 28, 2022

Who is taking care of the kids?

A comprehensive analysis of 1,800 bird species found that adult sex ratios are the main driving force behind differences in sex roles. Climate, life histories, and social environment were not significant factors. The study provides new insights into the evolution of sex roles in birds.

SourceUniversity of Groningen·JournalEcology Letters·TypeLiterature review·DateMar 2, 2022

Capturing the many facets of evolvability

Researchers identify three types of mechanisms underlying evolvability, including determinants providing variation, shaping the effect of variation on fitness, and shaping the selection process. Evolvability also depends on the timescale, with asexually reproducing organisms evolving faster but reaching lower adaptation levels, while s...

SourceUniversity of Groningen·JournalTrends in Ecology & Evolution·TypeLiterature review·DateMar 2, 2022

Fighting poverty won’t jeopardize climate goals

According to a new study, lifting over 1 billion people out of poverty worldwide would increase global carbon emissions by 1.6-2.1%. The main reason for this is the huge inequality in carbon footprint between rich and poor nations. Rich countries emit significantly more carbon than poor ones.

SourceUniversity of Groningen·JournalNature Sustainability·TypeData/statistical analysis·DateFeb 14, 2022

Instagram teaches AI to recognize rooms

Researchers at the University of Groningen have developed an AI system that can recognize indoor spaces with high accuracy by combining image and audio data. The system achieved a 70% accuracy rate in recognizing nine different types of indoor spaces, surpassing previous results.

SourceUniversity of Groningen·JournalNeural Computing and Applications·TypeExperimental study·DateJan 26, 2022

A smart livestock farming solution

A team of researchers from the University of Groningen developed an AI-based system that can identify individual Holstein cows in a milking station based on their coat pattern. The system achieved a recognition rate of 99.7% and has several advantages, including non-invasiveness, cost-effectiveness, and scalability.

SourceUniversity of Groningen·JournalExpert Systems with Applications·TypeImaging analysis·DateDec 15, 2021

Trapping molecules to find new physics

Researchers at the University of Groningen have successfully trapped molecules of strontium fluoride, setting a new record for molecular trapping. This achievement is significant because it allows scientists to investigate the fundamental laws of the universe, including the asymmetry between matter and anti-matter.

SourceUniversity of Groningen·JournalPhysical Review Letters·TypeExperimental study·DateOct 28, 2021

The secret of ultralight but stiff sandwich nanotubes

Researchers from the University of Groningen and Lawrence Livermore National Laboratory created ultra-lightweight yet extremely stiff porous materials by stacking carbon tubes with a strutted tube-in-tube structure. This innovative design enables new applications in micro-electromechanical systems and other small devices.

SourceUniversity of Groningen·JournalNature Materials·DateOct 26, 2021

Skin-inspired sensors show how our body moves

Scientists at the University of Groningen developed wearable, stitchable, and sensitive sensors from flexible polymers and carbon fibre. These sensors can measure body position, movement, and touch, offering new possibilities for health monitoring and athlete performance tracking.

SourceUniversity of Groningen·Journalnpj Flexible Electronics·TypeExperimental study·DateOct 21, 2021

How a committed minority can change society

An agent-based study found that a committed minority can influence the majority to overturn long-standing practices. The researchers created an online game where participants voted on a product launch, with a small group of 'activists' able to sway the majority. The study's findings may help stimulate sustainable behavior.

SourceUniversity of Groningen·JournalNature Communications·TypeExperimental study·DateSep 30, 2021

Finding new alloys just became simpler

Researchers developed a theoretical model to predict the strength of millions of alloys at high temperatures. Experiments confirmed the predictions, highlighting the importance of edge dislocations in determining yield strength in complex high-entropy alloys.

SourceUniversity of Groningen·JournalNature Communications·TypeComputational simulation/modeling·DateSep 16, 2021

Ranking apps on privacy

Researchers developed an algorithm to rank apps based on their privacy scores, allowing users to easily find and install non-intrusive apps. The system considers two scores: permission and listener access, providing a ranking of apps from least intrusive to most private.

SourceUniversity of Groningen·JournalConcurrency and Computation Practice and Experience·TypeExperimental study·DateSep 3, 2021

Artificial Intelligence learns better when distracted

Researchers from the University of Groningen and Spain developed a method to train AI systems using distractions to improve image recognition. By analyzing how deep learning systems process images, they found that forcing the system's focus towards secondary characteristics can lead to better performance.

SourceUniversity of Groningen·JournalNeural Computing and Applications·TypeImaging analysis·DateJul 29, 2021