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Photosynthesis

News Photosynthesis

  • From years to days: Artificial Intelligence speeds up photodynamics simulations

    The prediction of molecular reactions triggered by light is to date extremely time-consuming and therefore costly. A team led by Philipp Marquetand from the Faculty of Chemistry at the University of Vienna has now presented a method using artificial neural networks that drastically accelerates the s more

  • How Nature splits water and powers the planet

    An international research team including the Max Planck Institute for Chemical Energy Conversion (MPI CEC) in Germany and The Australian National University (ANU) has published new results on how nature performs biological water splitting, a process that underpins all life on the planet. The results more

  • Improving the lifetime of bioelectrodes for solar energy conversion

    The key to a long life for bioelectrodes lies in an oxygen-free environment. The use of proteins involved in the photosynthetic process enables the development of affordable and efficient devices for energy conversion. However, although proteins such as photosystem I are robust in nature, the use of more

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Videos Photosynthesis

What If Humans Could Photosynthesize?

The sun shines a massive amount of energy onto the Earth’s surface every day. What if humans could take a cue from plants and use sunlight to make their own food? From chloroplasts to carbon dioxide, Reactions creates a hypothetical photosynthetic human and gives a quick crash course on the chem ... more

Serial crystallography - Decoding biomolecules at PSI

In serial crystallography, crystals are injected into an x-ray beam. When the beam and crystal collide, light beams are deflected. The deflected light beams are recorded by a detector. The structure of the crystals can be determined from the light patterns that many identical crystals create on ... more

White papers Photosynthesis

Infographics Photosynthesis

How Do Evergreen Trees Stay Green?

While some trees drop their leaves in autumn, others stay green all year round. How do they accomplish this, and what’s the benefit? This graphic takes a look at some of the chemical tricks these trees utilise.  more

Die Chemikalien hinter den Farben der Herbstblätter

Mit dem Herbst am Horizont haben die Blätter einiger Bäume bereits den Übergang zu den leuchtenden Farbtönen des Herbstes begonnen. Während diese Veränderung äußerlich wie eine einfache erscheint, sind die vielen leuchtenden Farben das Ergebnis einer Reihe von chemischen Verbindungen, von denen hier more

The Chemistry of Bell Peppers

Bell peppers come in a range of hues, from fresh greens to vibrant reds. Chemical pigments are behind these, but what changes to cause peppers to travel through this spectrum of colours? Here we take a look at the compounds behind the colours (as well as some pepper aroma chemistry) – and find that more

Publications Photosynthesis

  • Photochemistry beyond the red limit in chlorophyll f–containing photosystems

    Photosystems I and II convert solar energy into the chemical energy that powers life. Chlorophyll a photochemistry, using red light (680 to 700 nm), is near universal and is considered to define the energy "red limit" of oxygenic photosynthesis. We present biophysical studies on the photosystems fr more

  • Lower-energy photons do the work, too

    Photosynthesis Plants and cyanobacteria use chlorophyll-rich photosystem complexes to convert light energy into chemical energy. Deep-water organisms do not receive the full spectrum of light and have adaptations to take advantage of longer-wavelength photons. Nürnberg et al. studied photosystem more

  • Antenna switches partners in the shade

    Photosynthesis A cloudy day or an overshadowing tree causes fluctuations in light that can throw off the balance of energy flow in plant photosystems I and II (PSI and PSII). Pan et al. solved structures of PSI bound to two light-harvesting complexes (LHCs). One LHC is permanently associated with more

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Definition

Photosynthesis

Photosynthesis is the primary site of photosynthesis in plants. Photosynthesis is the conversion of light energy into chemical energy by living organism s. The raw materials are carbon dioxide and water ; the energy source is sunlight ; ... more

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