100% organic micro-body thrust

The development of (micro) systems capable of being moved and propelled by simple external stimuli such as light is a burgeoning field with many potential applications ranging from nanomedicine to water pollution control. To move, most current modular or hybrid systems require a irritable (Fuel is a substance that, in the presence of oxygen and energy, can …) Synthetic or semi-natural.

Chemists from Bordeaux recently developed a completely different type strategy (Strategy – from the Greek word stratos which means “army” and Ageîn which means…) who uses theOxygen (Oxygen is a chemical element of the family of chalcogens, from…) Issued by papers through Photosynthesis (Photosynthesis (Greek φῶς phōs, light and …) to push them in a controlled manner space (Surface generally refers to the surface layer of an object. The term A…) air water. These new swimmers will be discovered in the magazine Angewandte Chemie International Edition.

By modifying the leaf by microsurgery, the focus of flow (The word flux (from the Latin fluxus, flow) generally refers to a group of elements…) of O2 produced during photosynthesis. in contact withWater (Water is a chemical compound found everywhere on Earth, essential to everyone…)thus the modified leaf becomes a natural swimmer, moving only under the influence light (Light is the set of electromagnetic waves visible to the eye…) and in the presence of Carbon Dioxide (Carbon dioxide, commonly known as carbon dioxide or carbon dioxide, is…).
© Ambrose Ashwin Melvin.

Over millions of years of evolution and improvement, nature has designed highly sophisticated dynamic systems of varying sizes. Natural swimmers are a beautiful (Named in honor of inventor Alexander Graham Bell, Bell is a unit…) for example complication (Complexity is a concept used in philosophy and epistemology (for …) for evolution, which uses highly diverse strategies to generate traffic. Largely inspired by natural swimmers, (semi) artificial swimmers, and types of biosynthetic or hybrid equipment, it has experienced day (The day or day is the interval between sunrise and sunset, which is…) As promising candidates to perform various tasks ranging fromSewage (Sewage is a process by which people can live in…) From water to nanomedicine.

These swimmers can be operated and controlled externally, for example by light, but also by a Energy (The word force can refer to a mechanical force on things, and also, figuratively, a…) magnetic, electric or My voice (Sound science is a branch of physics that aims to study…). It can also be propelled by other mechanisms, based on the use of chemical (bio)fuels, but with the particular risk that fuel (Fuel is the fuel that powers a heat engine. This turns…) Or the reaction products are toxic. Recently, hybrid micro-swimmers have been proposed as an interesting mediator between natural and synthetic swimmers. They are often made up of purely synthetic parts combined with biological entities such as bacteria (Bacteria (Bacteria) are prokaryotic unicellular organisms, characterized by …) or sperm.

In a study recently published in Angewandte Chemie International Editionand chemists frominstitute (An institute is a permanent organization created for a specific purpose. It is…) Molecular Sciences (CNRS/Polytechnic Institute of Bordeaux/Purdue University) has reported a completely different strategy than paying off (Thrust is the principle that allows an object to move in the space around it….) Innovative based on transforming bubbles from Dioxygen (Dioxygen is a molecule consisting of two oxygen atoms, symbolized by O2, …) a2 Produced by leaves during natural photosynthesis. By modifying the structure of the channels of development by microsurgery Gas (A gas is a group of weakly bonded atoms or molecules and…) On the paper, the scientists were able to spatially control the flow of O2It is usually released diffusely during photosynthesis. Upon contact with water, a leaf modified in this way becomes a natural or microbial swimmer.

Unlike the majority of systems reported to date, there is no conventional chemical fuel, such as peroxide (Peroxide is a chemical compound with the general formula ROO-R’, group -OO -…) Fromhydrogen (Hydrogen is a chemical element with symbol H and atomic number 1.) or other vehicles such as Sugar (What is commonly called sugar is, since 1406, “a substance with a sweet flavour…) For some enzyme swimmers, it is only necessary to activate the leaf. This moves only under the influence of light, in the presence of carbon dioxide. carbon (Carbon is a chemical element of the family of crystalline substances, symbol C, …) And water. This unique class of natural swimmers in the future can serve as a platform for the development of original dynamic systems at different levels.

This work was obtained as part of a study funded by the European Research Council (ERC) as part of Research (Scientific research identifies in the first place all actions taken with a view to …) and innovation horizon (Conceptually, the horizon is an observable limit, due to its own…) 2020 from the European Union (Grant Agreement No. 74125, ERC Advanced ELECTRA Scholarship).

Spatially Controlled Carbon Dioxide2 kinematics conversion in . format natural (Natural is a semi-compiled programming language, published by the company…) leaves to generate movement,
Ambrose A. Melvin, Bertrand Godot, Wojciech Noggala, Alexander Kuhn, Angewandte Chemie International Edition June 2022.

-Alexander Cohen- Researcher (Researcher (researcher) refers to a person whose job it is to conduct research…) At the Institute of Molecular Sciences (CNRS / Bordeaux University / Bordeaux INP) – kuhn at enscbp.fr
– Stephanie Younes – Director Telecommunications (Contact with man (communication within oneself, communication between people, etc.) – Institute of chemistry (Chemistry is a natural science divided into several disciplines, to …) The CNRS (The National Center for Scientific Research, better known by the acronym CNRS, is the largest…) – inc communicate at cnrs.fr
Anne Valerie Rosette – Responsible scientific (A scientist is a person who devote himself to the study of science or science and who …) Contact – CNRS Chemistry Institute – anne-valerie.ruzette at cnrs.fr
– Christophe Cartier says mill (The mill is a machine for grinding grain into flour, and by analogy, …) – Researcher at the Paris Institute of Molecular Chemistry and Director of the Scientific Communication Project at INC

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