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T1 - Mimicking bacterial photosynthesis

Mimicking Photosynthesis with Electrode-Supported …

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Mimicking photosynthesis - Deccan Herald

N2 - Photosynthesis in bacteria involves absorption of light by antenna chromophores and transfer of excitation to reaction centers, which convert the excitation energy to electrochemical potential energy in the form of transmembrane charge separation. A proton pump uses this stored energy to generate proton motive force across the membrane, which in turn is used to synthesize adenosine triphosphate (ATP). All of these steps can now be mimicked in the laboratory. Artificial antennas and reaction centers can be prepared from chromophores, electron donors and electron acceptors linked by covalent bonds. The artificial reaction centers can be inserted into the lipid bilayers of liposomes, where they act as constituents of transmembrane light-driven proton pumps. Finally, the proton gradient thus produced can be used to synthesize ATP via catalysis by F0F1-ATP synthase isolated from chloroplasts. The synthetic and natural systems can use light energy to produce ATP at comparable chemical potentials.

Mimicking photosynthesis, Biotechnology Advances | …

AB - Photosynthesis in bacteria involves absorption of light by antenna chromophores and transfer of excitation to reaction centers, which convert the excitation energy to electrochemical potential energy in the form of transmembrane charge separation. A proton pump uses this stored energy to generate proton motive force across the membrane, which in turn is used to synthesize adenosine triphosphate (ATP). All of these steps can now be mimicked in the laboratory. Artificial antennas and reaction centers can be prepared from chromophores, electron donors and electron acceptors linked by covalent bonds. The artificial reaction centers can be inserted into the lipid bilayers of liposomes, where they act as constituents of transmembrane light-driven proton pumps. Finally, the proton gradient thus produced can be used to synthesize ATP via catalysis by F0F1-ATP synthase isolated from chloroplasts. The synthetic and natural systems can use light energy to produce ATP at comparable chemical potentials.

Mimicking Photosynthesis To Split Water - Slashdot

Mimicking bacterial photosynthesis — Arizona State …

(3) Mimicking photosynthesis with supercomplexed lipid nanoassemblies. This research effort was motivated to address the low light absorption suffered by single-bilayer based photosynthetic mimics and has yielded a new lipid-based approach to mimicking Nature’s way of organizing multiple photosynthetic subunits. Rhodamine and fullerene assembled within these lipid supercomplexes display robust electronic communication. The remarkable possibility of using lipid matrix to further improve photoconversion efficiency is revealed by cholesterol, whose addition triggers exciton formation that promotes faster energy and electron transfer in these lipid nanoassemblies.

In this Account, we share with the reader our recent effort of introducing electrode-supported lipid nanoassemblies as new lipid models into photosynthesis biomimicking. This line of research builds off several solid-supported lipid bilayer architectures established relatively recently by workers in membrane biophysics and reveals important new features that match and sometimes exceed what earlier lipid models are capable of offering. Here, our eight-year exploration unfolds in three sections:

Mimicking Bacterial Photosynthesis | Request PDF

Light and Energy, Mimicking Natural Photosynthesis - …

Artificial photosynthetic systems could spell the end of all our energy woes - they could convert CO2 from the atmosphere and potentially provide us with an endless, relatively inexpensive supply of all the clean energy we need to power our lives, that too in a storable form. But mimicking such a complicated natural process is no simple feat. Apart from laboratory level models, artificial photosynthetic devices are nowhere near being used on larger scales.

A chapter entitled “Mimicking bacterial photosynthesis”, covers natural and artificial photosynthesis, artificial antenna systems, artificial reaction centers, antenna-reaction center complexes, and aspects of transmembrane transport.

Mimicking Nature – Artificial Photosynthesis as a …
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  • Mimicking photosynthesis, but just the best bits, …

    Mimicking Photosynthetic Solar Energy Trnasduction - Download as PDF File (.pdf), Text File (.txt) or read online.

  • Energy - The Royal Society of Chemistry

    07/05/2015 · A synthetic Mn 4 Ca-cluster mimicking the oxygen-evolving center of photosynthesis

  • How technology can halt climate change - USA TODAY

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30/12/2013 · How technology can halt climate change

Photosynthesis in bacteria involves absorption of light by antenna chromophores and transfer of excitation to reaction centers, which convert the excitation energy to electrochemical potential energy in the form of transmembrane charge separation. A proton pump uses this stored energy to generate proton motive force across the membrane, which in turn is used to synthesize adenosine triphosphate (ATP). All of these steps can now be mimicked in the laboratory. Artificial antennas and reaction centers can be prepared from chromophores, electron donors and electron acceptors linked by covalent bonds. The artificial reaction centers can be inserted into the lipid bilayers of liposomes, where they act as constituents of transmembrane light-driven proton pumps. Finally, the proton gradient thus produced can be used to synthesize ATP via catalysis by F0F1-ATP synthase isolated from chloroplasts. The synthetic and natural systems can use light energy to produce ATP at comparable chemical potentials.

Reef Aquarium Care: A Natural Approach to Reef-Keeping

Now, researchers from the Indian Institute of Engineering Science and Technology (IIEST), Shibpur, in collaboration with the Flemish Institute for Technological Research (VITO), Belgium, are all set to join the global efforts in mimicking this important photobiochemical process by building the first artificial photosynthetic prototype to be entirely driven by visible light!

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