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photosynthesis

New Type of Photosynthesis Discovered

It will also tailor the way we hunt for alien life and provide insights into how we could engineer more efficient crops that take...
oxygen photosynthesis

Making the Oxygen We Breathe, a Photosynthesis Mechanism Exposed

Arguably, the greatest fueler of life on our planet is photosynthesis, but understanding its labyrinthine chemistry, powered by sunlight, is challenging. Researchers recently illuminated...
Artificial Photosynthesis

A Core−Shell Nanotube Array for Artificial Photosynthesis

The average global energy consumption of transportation fuels is currently several terawatts (1 terawatt = 1012 Joule per second). A major scientific gap for developing...
hydrogen fuel

Photosynthesis-Inspired Hydrogen Fuel Production

Over the past few decades, research groups from around the world have been addressing the challenge of splitting water in order to produce hydrogen....
photosynthesis devicevideo

NUS Scientists Develop Artificial Photosynthesis Device for Greener Ethylene Production

A team of scientists from the National University of Singapore (NUS) has developed a prototype device that mimics natural photosynthesis to produce ethylene gas...
plant metabolism

New Technique Tracks Plant Photosynthesis from Space

University of Sydney and NASA researchers have developed a revolutionary new technique to image plant photosynthesis using satellite-based remote-sensing, with potential applications in climate...
catalystsvideo

New Efficient Catalyst for Key Step in Artificial Photosynthesis

Chemists at the U.S. Department of Energy’s Brookhaven National Laboratory have designed a new catalyst that speeds up the rate of a key step...
brain tumours, Common drugs, diabetes, chronic wounds, magnetism, intestinal tumours, molecular scissors, disease, genetic, immune cells, drug development, Diabetes, Antibiotic, hydrogen generation, chronic obstructive pulmonary disease, malaria, photosynthesis, kidney failure, Brain tumours, mental health, blood cancer, cancer, dementia, cancer treatment, antibiotic resistance, blood vessel leakage, quantum simulations, atrial fibrillation, batteries, goiter treatment, terahertz radiation, organic materials , Guild of European Research Intensive Universities, gene copies, social anxiety, blue light screens, ‘Our hope is that these findings will make it possible to discover a way to selectively inhibit the TGF-beta signals that stimulate tumour development without knocking out the signals that inhibit tumour development, and that this can eventually be used in the fight against cancer,’ says Eleftheria Vasilaki, postdoctoral researcher at Ludwig Institute for Cancer Research at Uppsala University and lead author of the study. TGF-beta regulates cell growth and specialisation, in particular during foetal development. In the context of tumour development, TGF-beta has a complicated role. Initially, it inhibits tumour formation because it inhibits cell division and stimulates cell death. At a late stage of tumour development, however, TGF-beta stimulates proliferation and metastasis of tumour cells and thereby accelerates tumour formation. TGF-beta’s signalling mechanisms and role in tumour development have been studied at the Ludwig Institute for Cancer Research at Uppsala University for the past 30 years. Recent discoveries at the Institute, now published in the current study in Science Signaling, explain part of the mechanism by which TGF-beta switches from suppressing to enhancing tumour development. Uppsala researchers, in collaboration with a Japanese research team, discovered that TGF-beta along with the oncoprotein Ras, which is often activated in tumours, affects members of the p53 family. The p53 protein plays a key role in regulating tumour development and is often altered – mutated – in tumours. TGF-beta and Ras suppress the effect of mutated p53, thereby enhancing the effect of another member of the p53 family, namely delta-Np63, which in turn stimulates tumour development and metastasis.

Important Milestone in Quest for Hydrogen Production Using Photosynthesis

The method involves inserting designed molecules into genetically modified E. coli bacteria to induce an otherwise inactive enzyme to start producing hydrogen gas. In...
photosynthesis

Artificial Photosynthesis Steps into the Light

Rice University scientists have created an efficient, simple-to-manufacture oxygen-evolution catalyst that pairs well with semiconductors for solar water splitting, the conversion of solar energy...
Solar Cells

Physics, Photosynthesis and Solar Cells

A University of California, Riverside assistant professor has combined photosynthesis and physics to make a key discovery that could help make solar cells more...
Photosynthesisvideo

X-Rays Capture Unprecedented Images of Photosynthesis in Action

Never mind the story of Moses parting the Red Sea. How exactly do plants split water? An international team of scientists is getting closer to...
Photosynthesis

Crop Yield Gets Boost with Modified Genes in Photosynthesis

Plant biologists have bumped up crop productivity by increasing the expression of genes that result in more efficient use of light in photosynthesis, a...
Photosynthesis

Photosynthesis: Gathering Sunshine with the World’s Smallest Antennas

Walk through any woods, branches swaying overhead, and you're surrounded by billions of the world's most efficient systems for collecting energy. Inside every leaf,...
Photosynthesis

Urban Warming Slows Tree Growth, Photosynthesis

New research from North Carolina State University finds that urban warming reduces growth and photosynthesis in city trees. The researchers found that insect pests...
carbon dioxide

Climate Research: Study Calculates the Impact of Increasing Carbon Dioxide on...

Vegetation and soil are currently slowing down global warming by absorbing about a quarter of human emissions of carbon dioxide (CO2). This land carbon...
Photosynthesis

From Leaf to Tree: Large-Scale Artificial Photosynthesis

In future, sun and wind will supply the lion’s share of our energy. The fluctuating nature of these renewable energy sources means that current...
Semiconductors

Making Sense of Failure in Light-Harvesting Semiconductors

The Science While metal oxide semiconductors have been widely considered to exhibit outstanding durability, performance degradation in these solar energy harvesting components is frequently observed....
photosynthesis

New Clues Could Help Scientists Harness the Power of Photosynthesis

Identification of a gene needed to expand light harvesting in photosynthesis into the far-red-light spectrum provides clues to the development of oxygen-producing photosynthesis, an...
Perovskite Solar Cells

Discovery Could Dramatically Boost Efficiency of Perovskite Solar Cells

Scientists from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a possible secret to dramatically boosting the efficiency of perovskite...
Brain Disorders, Rare Immunodeficiency, Hemorrhagic Fevers, silicone rubber, cardiac valves, immune system, sunlight, Autoimmunity

Energy from Sunlight: Further Steps towards Artificial Photosynthesis

Green plants are able to temporarily store electric charges after the absorption of sunlight by using a so-called molecular charge accumulator. The two research...