Oct 3, 2019
Journey to the Microcosmos!
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Journey to the Microcosmos!
Segmented filamentous bacteria in the gut protect against secondary bacterial infections in the lung - Immunology Research
Respiratory viruses can substantially weaken immune responses and enhance the risk of secondary bacterial infections. These can be fatal — for example, during the 1918 influenza pandemic, bacterial pneumonia was the main cause of mortality. Susceptibility to secondary infections is partially due to a depletion of alveolar macrophages (AMs), which is a common feature of viral respiratory…
Fifty nine species of blue-green algae belonging to nine genera and two families were collected from four different districts of Punjab, Pakistan. These districts are Gujranwala, Gujrat, Sialkot and Narowal. The collected species were taxonomically identified Most of the species were collected in the start of summer season at variable temperature. pH and EC was also measured and it was observed that Spirulina, Oscillatoria and Lyngbya were widely distributed genera. It was found that maximum pH was of O. annae i.e. 10.8 and minimum was of two species i.e. O. prolifca and O. anguina i.e. 7.1. Minimum Electrical conductivity (EC) was of O. prolifica and O. anguina i.e. 53 and the maximum EC was of Lyngbya truncicola which is 205.
Non-Toxic Filamentous Virus Helps Quickly Dissipate Heat Generated by Electronic Devices
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Figure 1. Schematic representations. ( a) Phage and (b) hexagonally put together structures of the phages in the movie.
Organic polymeric products typically have low thermal conductivity and are not appropriate for quick heat dissipation of electrical and electronic devices in the past. In order to enhance its thermal conductivity, it has actually been thought about efficient to heat transfer through a covalent bond by “orientation processing” where particles are lined up in the very same instructions, or to composite with an inorganic product.
A research study group led by Assistant Teacher Toshiki Sawada and Teacher Takeshi Serizawa is concentrating on the ability to form routinely put together structures in a large scale from nano to macro (so called hierarchical assembly1) observed in the natural systems and the hierarchically put together structures prepared in this method, the phenomenon where particles build up around the border as a liquid option where particles are liquified evaporates (coffee ring effect2) was made use of to put together a filamentous infection for the movie preparation. As an outcome, it was discovered that the thermal diffusivity at the edge of the movie considerably boosted to a worth similar to that of inorganic glass, which assists in the usage of the hierarchically put together biomacromolecule3. This assists future advancement of electrical and electronic gadgets made up of not just infections however likewise numerous naturally obtained particles.
Previously, orientation processing and compositing with inorganic products have actually been thought about efficient for the high thermal conductivity of natural polymeric products. Nevertheless, given that this infection movie can be prepared by vaporizing a liquid option of a filamentous infection at space temperature level, it is anticipated to result in the facility of a technique for quickly building heat dissipation products under moderate conditions that do not need unique operations.
The accomplishments of this research study are supported by the Japan Science and Technology Company (JST) through the Precursory Research Study for Embryonic Science and Technology (PRESTO) “Nanoscale Thermodynamics-based Advancement of Ingenious Products for Energy Transportation Utilizing Hierarchically Assembled Biomacromolecules” in the Strategic Basic Research Study Programs “Thermal Science and Control of Spectral Energy Transportation”, and the outcomes will be released in the British science journal Scientific Reports ( Online) on April 3, 2018.
Source: Tokyo Institute of Technology
. . . . . . . Previous articleHealthy Red cell Owe Their Forming to Muscle-Like Structures . .
New post published on: https://livescience.tech/2018/04/06/non-toxic-filamentous-virus-helps-quickly-dissipate-heat-generated-by-electronic-devices/
Double protostars are trapped in the process of forming
Double protostars are trapped in the process of forming
In many stars in a binary system, star pairs are linked by gravity, with two components that often have a similar mass.
It is not clear how this system collects and accredits materials. Alves et al. making high-resolution observations of young double stars still in formation.
(more…)
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Kenedy Kallas and Benji Pearson in Blake Johnston’s Filamentous (San Francisco Ballet School, 2017)
Non-Toxic Filamentous Virus Helps Quickly Dissipate Heat Generated by Electronic Devices
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Figure 1. Schematic representations. (a) Phage and (b) hexagonally assembled structures of the phages in the film.
Organic polymeric materials generally have low thermal conductivity and are not suitable for rapid heat dissipation of electric and electronic equipment in the past. In order to improve its thermal conductivity, it has been considered effective to heat transfer through a covalent bond by “orientation processing” in which molecules are aligned in the same direction, or to composite with an inorganic material.
A research team led by Assistant Professor Toshiki Sawada and Professor Takeshi Serizawa is focusing on the capability to form regularly assembled structures in a wide scale from nano to macro (so called hierarchical assembly1) observed in the natural systems and the hierarchically assembled structures prepared in this way, the phenomenon where molecules accumulate around the perimeter as an aqueous solution in which molecules are dissolved evaporates (coffee ring effect2) was utilized to assemble a filamentous virus for the film preparation. As a result, it was found that the thermal diffusivity at the edge of the film drastically enhanced to a value comparable to that of inorganic glass, and that facilitates the utilization of the hierarchically assembled biomacromolecule3. This helps future development of electric and electronic devices composed of not only viruses but also various naturally derived molecules.
Until now, orientation processing and compositing with inorganic materials have been considered effective for the high thermal conductivity of organic polymeric materials. However, since this virus film can be prepared by evaporating an aqueous solution of a filamentous virus at room temperature, it is expected to lead to the establishment of a method for easily constructing heat dissipation materials under mild conditions that do not require special operations.
The achievements of this research are supported by the Japan Science and Technology Agency (JST) through the Precursory Research for Embryonic Science and Technology (PRESTO) “Nanoscale Thermodynamics-based Development of Innovative Materials for Energy Transport Using Hierarchically Assembled Biomacromolecules” in the Strategic Basic Research Programs “Thermal Science and Control of Spectral Energy Transport”, and the results will be published in the British science journal Scientific Reports (Online) on April 3, 2018.
Source : Tokyo Institute of Technology
Previous articleHealthy Red Blood Cells Owe Their Shape to Muscle-Like Structures
New post published on: http://www.livescience.tech/2018/04/06/non-toxic-filamentous-virus-helps-quickly-dissipate-heat-generated-by-electronic-devices/
Non-toxic filamentous virus helps quickly dissipate heat generated by electronic devices
Non-toxic filamentous virus helps quickly dissipate heat generated by electronic devices
[ad_1] Scientists have discovered that the film constructed by assembling a nontoxic filamentous virus functions as a heat dissipation material, and that can be simply prepared by drying the virus aqueous solution at room temperature. This discovery is expected to elucidate the mechanism of new heat transport in electronics. [ad_2] Source link
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