Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Chemistry: General Chemistry: Organic Chemistry Energy: Alternative Fuels Energy: Fossil Fuels Energy: Technology Environmental: General Environmental: Water Geoscience: Environmental Issues Geoscience: Geochemistry
Published

Watch these cells rapidly create protrusions for exploration and movement      (via sciencedaily.com)     Original source 

In order to move, cells must be able to rapidly change shape. A team of researchers show that cells achieve this by storing extra 'skin' in folds and bumps on their surface. This cell surface excess can be rapidly deployed to cover temporary protrusions and then folded away for next time.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Environmental: General Geoscience: Geochemistry
Published

Scientists reveal breakthrough that could lead to cleaner hydrogen energy      (via sciencedaily.com)     Original source 

Chemists have taken a big step toward splitting hydrogen and oxygen molecules to make pure hydrogen -- without using fossil fuels. Results from pulse radiolysis experiments have laid bare the complete reaction mechanism for an important group of 'water-splitting' catalysts. The work means scientists are closer to making pure hydrogen from renewable energy, an energy source that could contribute to a greener future for the nation and world.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Alternative Fuels Energy: Fossil Fuels Energy: Technology Environmental: General Environmental: Water Geoscience: Environmental Issues Geoscience: Geochemistry Physics: Optics
Published

Unlocking the power of photosynthesis for clean energy production      (via sciencedaily.com)     Original source 

Researchers are embarking on a groundbreaking project to mimic the natural process of photosynthesis using bacteria to deliver electrons to a nanocrystal semiconductor photocatalyst. By leveraging the unique properties of microorganisms and nanomaterials, the system has the potential to replace current approaches that derive hydrogen from fossil fuels, revolutionizing the way hydrogen fuel is produced and unlocking a powerful source of renewable energy.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Physics: Optics
Published

Scintillating science: Researchers improve materials for radiation detection and imaging technology      (via sciencedaily.com)     Original source 

A team of researchers has improved a new generation of organic-inorganic hybrid materials that can improve image quality in X-ray machines, CT scans and other radiation detection and imaging technologies.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Microbiology Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Environmental: General Geoscience: Environmental Issues Geoscience: Geochemistry
Published

Tiny microbes could brew big benefits for green biomanufacturing      (via sciencedaily.com)     Original source 

Scientists find new route in bacteria to decarbonize industry. The discovery could reduce greenhouse gas emissions from the manufacturing of fuels, drugs, and chemicals. A research team has engineered bacteria to produce new-to-nature carbon products that could provide a powerful route to sustainable biochemicals.

Chemistry: Biochemistry Chemistry: Organic Chemistry Physics: Optics
Published

Scientists capture elusive chemical reaction using enhanced X-ray method      (via sciencedaily.com)     Original source 

Researchers have captured one of the fastest movements of a molecule called ferricyanide for the first time by combining two ultrafast X-ray spectroscopy techniques. They think their approach could help map more complex chemical reactions like oxygen transportation in blood cells or hydrogen production using artificial photosynthesis.

Chemistry: Biochemistry Chemistry: Organic Chemistry
Published

Researchers use generative AI to design novel proteins      (via sciencedaily.com)     Original source 

Researchers have developed an artificial intelligence system that can create proteins not found in nature using generative diffusion, the same technology behind popular image-creation platforms such as DALL-E and Midjourney.

Biology: Biochemistry Biology: Cell Biology Biology: General Chemistry: Biochemistry Chemistry: General Chemistry: Organic Chemistry
Published

Single-molecule valve: Breakthrough in nanoscale control      (via sciencedaily.com)     Original source 

A research group has succeeded in regulating the flow of single molecules in solution by opening and closing the nanovalve mounted on the nanofluidic device by applying external pressure. The research group fabricated a device with a ribbon-like, thin, soft glass sheet on the top, and at the bottom a hard glass substrate having nanochannels and nanovalve seats. By applying external pressure to the soft glass sheet to open and close the valve, they succeeded in directly manipulating and controlling the flow of individual molecules in solution. They also observed an effect of fluorescence signal amplification when single fluorescent molecules are confined in the tiny nanospace inside the valve. The effect can be ascribed to the nanoconfinement, which suppresses the random motion of the molecules.

Chemistry: General Chemistry: Organic Chemistry
Published

Upcycling method turns textile trash to functional coatings      (via sciencedaily.com)     Original source 

In an effort to make textiles more sustainable, a new method allows researchers to break old clothing down chemically and reuse polyester compounds to create fire resistant, anti-bacterial or wrinkle-free coatings that could then be applied to clothes and fabrics.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Technology Engineering: Nanotechnology Offbeat: Computers and Math Offbeat: General
Published

Self-folding origami machines powered by chemical reaction      (via sciencedaily.com)     Original source 

Scientists have harnessed chemical reactions to make microscale origami machines self-fold -- freeing them from the liquids in which they usually function, so they can operate in dry environments and at room temperature.

Biology: Biochemistry Biology: Cell Biology Biology: General Biology: Molecular Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Technology Environmental: General Environmental: Water Geoscience: Environmental Issues Geoscience: Geochemistry Offbeat: Earth and Climate Offbeat: General Offbeat: Plants and Animals
Published

Previously unknown intercellular electricity may power biology      (via sciencedaily.com)     Original source 

Researchers have discovered that the electrical fields and activity that exist through a cell's membrane also exist within and around another type of cellular structure called biological condensates. Like oil droplets floating in water, these structures exist because of differences in density. Their foundational discovery could change the way researchers think about biological chemistry. It could also provide a clue as to how the first life on Earth harnessed the energy needed to arise.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Chemistry: Biochemistry Chemistry: General Chemistry: Organic Chemistry
Published

Pulling the plug on viral infections: CRISPR isn't just about cutting      (via sciencedaily.com)     Original source 

CRISPR claimed scientific fame for its ability to quickly and accurately edit genes. But, at the core, CRISPR systems are immune systems that help bacteria protect themselves from viruses. A new study reveals a previously unrecognized player in one such system -- a membrane protein that enhances anti-viral defense. According to study authors, the finding upends the idea that CRISPR systems mount their defense only by degrading RNA and DNA in cells.

Chemistry: Organic Chemistry Offbeat: General Offbeat: Plants and Animals
Published

A transistor made of wood      (via sciencedaily.com)     Original source 

Researchers have developed the first transistor made of wood. Their study paves the way for further development of wood-based electronics and control of electronic plants.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
Published

How spheres become worms      (via sciencedaily.com)     Original source 

A previously unknown form of hydrogel formation has been elucidated: chemists found unusual interactions between polymers.

Chemistry: Biochemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
Published

A simple paper test could offer early cancer diagnosis      (via sciencedaily.com)     Original source 

Engineers designed a nanoparticle sensor that could enable early diagnosis of cancer with a simple urine test. The sensors, which can detect many cancerous proteins, could also be used to distinguish the type of a tumor or how it is responding to treatment.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Fossil Fuels Environmental: General Environmental: Water Geoscience: Environmental Issues Geoscience: Geochemistry
Published

CO2 recycling: What is the role of the electrolyte?      (via sciencedaily.com)     Original source 

The greenhouse gas carbon dioxide can be converted into useful hydrocarbons by electrolysis. The design of the electrolysis cell is crucial in this process. The so-called zero-gap cell is particularly suitable for industrial processes. But there are still problems: The cathodes clog up quickly.

Chemistry: Organic Chemistry Energy: Alternative Fuels Environmental: General
Published

Outstanding performance of organic solar cell using tin oxide      (via sciencedaily.com)     Original source 

Organic solar cells have a photoactive layer that is made from polymers and small molecules. The cells are very thin, can be flexible, and are easy to make. However, the efficiency of these cells is still much below that of conventional silicon-based ones. Applied physicists have now fabricated an organic solar cell with an efficiency of over 17 percent, which is in the top range for this type of material. It has the advantage of using an unusual device structure that is produced using a scalable technique.