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Science, education, medicine / Chemistry and substances / Artificial resins
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Latest news of science and technology, new electronics:
Machine for thinning flowers in gardens
02.05.2024
In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers.
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Advanced Infrared Microscope
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Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>
Air trap for insects
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Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>
Random news from the Archive Artificial tooth kills bacteria
26.10.2015
Andreas Hermann of the University of Groningen in the Netherlands and colleagues have developed an antimicrobial plastic that can be used to print teeth that kill bacteria.
Scientists have incorporated antimicrobial ammonium salts into existing dental polymers. Such salts are positively charged and they destroy negatively charged bacterial membranes, causing them to burst and die. "This material can kill bacteria on contact, but on the other hand it is completely harmless to human cells," says Hermann.
The developers then put this mixture into a 3D printer, hardened it with ultraviolet light, and printed a range of dental objects like dentures and orthodontic braces. To test their antimicrobial abilities, the researchers applied a mixture of saliva and Streptococcus mutans, a bacterium that causes tooth decay, to the material. It turned out that the material killed 99% of the bacteria, especially when compared to the control sample without the addition of ammonium salts, where less than 1% of the microbes died.
Additional tests are needed before the development can be applied to patients, as the prostheses were kept in the salivary mixture for only six days. For clinical studies, this period should be significantly increased, as well as to test how new prostheses will interact with toothpaste.
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