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Researchers led by NTU Singapore and the University of Toulouse discover how our body's immune response to bacterial infections could be ‘hurting’ us

Researchers from NTU Singapore and the University of Toulouse discovered a link between ionophores, cellular ion balance, and inflammation. The study found that cells trigger an immune response when potassium ions fall below a certain level, releasing pro-inflammatory molecules.

SourceNanyang Technological University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 19, 2024

Water droplet spun by sound screens for colon cancer

Researchers at Duke University have developed a new diagnostic platform that uses sound waves to spin an individual drop of water up to 6,000 revolutions per minute. The technique separates tiny biological particles within samples to enable new diagnostics based on exosomes.

SourceDuke University·JournalScience Advances·TypeExperimental study·DateMar 13, 2024

Optical frequency combs make ultraviolet spectroscopy more sensitive and more precise

Researchers at Max Born Institute have successfully implemented high-resolution linear-absorption dual-comb spectroscopy in the ultraviolet spectral range. This breakthrough enables experiments under low-light conditions, paving the way for novel applications in precision spectroscopy and biomedical sensing.

What heat can tell us about battery chemistry: using the Peltier effect to study lithium-ion cells

A team of researchers at the University of Illinois has demonstrated a technique to study chemical properties of lithium-ion battery cells by exploiting the Peltier effect. This allows them to experimentally measure the entropy of the lithium-ion electrolyte, which could inform lithium-ion battery design.

SourceUniversity of Illinois Grainger College of Engineering·JournalPhysical Chemistry Chemical Physics·DateMar 8, 2024

What makes a pathogen antibiotic-resistant?

A new study published in npj Antimicrobials and Resistance found that pathogenic bacteria E. coli and A. baumannii employ shared and unique mechanisms to acquire resistance to antibiotics ciprofloxacin and GP6. The researchers developed a method to track the acquisition of drug resistance using whole genome sequencing, which revealed t...

SourceSanford Burnham Prebys·Journalnpj Antimicrobials and Resistance·TypeExperimental study·DateMar 7, 2024

The new system allows to look at phenomena that occur in special “topological” materials by video recording the motion of pendula

The study reveals insights into topological materials by visualizing the motion of coupled pendula, reproducing behaviors of electrons in periodic systems. The researchers directly measure Bloch oscillations and Zener tunneling phenomena, previously impossible to observe in quantum systems.

SourceTel-Aviv University·JournalProceedings of the National Academy of Sciences·DateMar 7, 2024

Charge fractionalisation observed spectroscopically

Researchers discovered charge fractionalisation in an iron-based metallic ferromagnet using laser ARPES spectroscopy, revealing collective excitations and quasiparticles. The study challenges fundamental quantum mechanics by showing electrons can behave as independent entities with fractionally charged pockets.

SourcePaul Scherrer Institute·JournalNature·TypeExperimental study·DateMar 6, 2024

Photosynthetic secrets come to light

Researchers at John Innes Centre used cryo-EM to visualize the structural architecture of chloroplast RNA polymerase and build a detailed atomic model. The study reveals new insights into transcription, a fundamental step in making photosynthetic proteins, and how these proteins interact with DNA and mRNA.

SourceJohn Innes Centre·JournalCell·DateMar 4, 2024

Study details five cutting-edge advances in biomedical engineering and their applications in medicine

A study by 50 experts reveals five cutting-edge biomedical engineering advances with significant applications in medicine, including precision engineering, on-demand tissue engineering, and advanced brain interface systems. These advances aim to transform the practice of medicine, impacting various conditions and diseases.

SourceUniversity of California - San Diego·JournalIEEE Open Journal of Engineering in Medicine and Biology·TypeMeta-analysis·DateFeb 27, 2024

Steering and accelerating electrons at the microchip scale

Stanford researchers have successfully accelerated and steered electrons at the microchip scale using silicon dielectric laser accelerators. This breakthrough enables the creation of tiny linear accelerators that could rival larger systems, with potential applications in medical treatments such as targeted cancer therapies.

SourceStanford University·JournalPhysical Review Letters·DateFeb 26, 2024

How does the brain make decisions?

A new mouse study has uncovered the neural connections that help shape decisions, finding sequential groups of neurons activated and suppressed to reinforce a choice. The research combines structural, functional, and behavioral analyses to explore how neuron-to-neuron connections support decision-making in the brain.

SourceHarvard Medical School·JournalNature·DateFeb 21, 2024

Deciphering cell-to-cell conversations: AI predicts anti-cancer immunotherapy response

A recent study used AI trained on cell-to-cell communication networks to predict drug responsiveness in immunotherapy for cancer. The model demonstrated high accuracy in analyzing samples from 700 patients with four types of cancer, identifying key communication pathways related to responsiveness and resistance.

HKU Engineering researchers achieve breakthrough in quantum sensing that leads to new opportunities of applications in monitoring dynamic processes in biological systems

HKU Engineering researchers developed a groundbreaking quantum sensing technology using neuromorphic vision sensors, improving speed and resolution in widefield sensing. This breakthrough holds potential for various applications in fields like monitoring dynamic processes in biological systems.

SourceThe University of Hong Kong·JournalAdvanced Science·TypeExperimental study·DateFeb 19, 2024

To appreciate music, the human brain listens and learns to predict

Researchers at University of California - San Francisco have developed a precise map of what is happening in the brain’s auditory cortex when someone hears a melody. The study found that some aspects of music are entwined with how we understand speech, while other important aspects stand alone. The brain uses two sets of neurons to ass...

SourceUniversity of California - San Francisco·JournalScience Advances·DateFeb 16, 2024

Neuronal insights: flash and freeze-fracture

Researchers at ISTA developed a novel 'Flash and Freeze-fracture' technique to analyze brain region communication. The method reveals that neurons in the medial habenula exhibit unusual behavior, contradicting general understanding, and provides insights into protein localization and synapse strengthening.

SourceInstitute of Science and Technology Austria·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 14, 2024

Fight against malaria takes a step forward

Scientists at the University of California, Riverside, have identified 898 RNA-dependent proteins in the deadliest human malaria parasite, Plasmodium falciparum. These findings could lead to novel therapeutic targets against malaria and highlight the importance of RNAs in biological pathways in the parasite.

SourceUniversity of California - Riverside·JournalNature Communications·TypeExperimental study·DateFeb 14, 2024

France's National Center for Scientific Research and U.S. Department of Energy sign 'Statement of Interest' on EIC collaboration

The EIC is a unique facility that will collide high-energy polarized electrons with protons or heavier ions, revealing the structure and properties of atomic nuclei. France's National Center for Scientific Research and U.S. Department of Energy have signed a Statement of Interest to strengthen their joint interest in advancing fundamen...

Orchestrating plant organ symmetry in style

A recent study published in Nature Plants reveals that O-glycosylation of the transcription factor SPATULA promotes Arabidopsis style development. The experimental study sheds new light on the mechanisms underlying plant organ symmetry.

SourceJohn Innes Centre·JournalNature Plants·TypeExperimental study·DateJan 26, 2024

Mind the (green) gap

Scientists have discovered a new path to overcome the significant challenge of creating efficient green LEDs. By utilizing cubic III-nitride materials with an innovative aspect ratio phase trapping technique, researchers have successfully synthesized a green-emitting layer achieving up to 32% internal quantum efficiency.

SourceUniversity of Illinois Grainger College of Engineering·JournalApplied Physics Letters·DateJan 23, 2024