Saturday January 25, 2020

New Heated Tobacco To Be Regulated As A Other Tobacco Products

World Health Organization notes that illnesses related to regular tobacco products prematurely kill more than 7 million people every year.

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tobacco, WHO
This is a diagram of R.J. Reynolds' Eclipse cigarette, which featured a carbon tip that was lit, heating the tobacco instead of burning it. The product did not do well during market tests; it was rebranded as Revo but still failed to catch on with consumers. The product is no longer listed on the company's website. VOA

Delegates from 148 parties to the World Health Organization’s Framework Convention on Tobacco Control are calling for new heated tobacco products on the market to be regulated in the same way cigarettes and other tobacco products are.

Heated tobacco products (HTPs) are not e-cigarettes. They are products that contain nicotine and other chemicals, which are inhaled by users, through the mouth. The tobacco industry markets these devices as being less harmful than regular cigarettes.

But the head of the convention secretariat, Vera da Costa e Silva, said there was no evidence that HTPs are less harmful than conventional tobacco products. She said they are tobacco products in the same way as cigarettes and should be subject to the same regulations imposed on standard tobacco products under the treaty.

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E-cigarettes is considered to be safer than tobacco cigarettes. Pixabay

“Governments should implement … a ban on advertisement, promotion and sponsorship” of heated tobacco products, da Costa said. “Parties to the treaty are legally bound to the provisions of the treaty and they should regulate heated tobacco accordingly.”

Da Costa told VOA the tobacco industry is marketing heated tobacco products as a harm-reduction strategy. She said many are sold with flavors, which appeal to young people. For now, she said, the products are mainly being marketed in developed countries.

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The worldwide prevalence of tobacco smoking has decreased from 27 percent in 2000 to 20 percent in 2016, so progress has been made. Pixabay

“But they are already being marketed very aggressively with high lobbying, and there are many, many concerns,” she said. “Lots of concerns raised by African countries, Latin American countries, Asian countries that do not feel they are prepared for this epidemic of heated tobacco products.”

Also Read: Usage of E-cigarettes In American Teens Have Reached ‘Epidemic Proportions’: FDA

Da Costa said evidence is accumulating that the nicotine inhaled from HTPs is unhealthy, causing dependence and disease. The long-term health impact from vaping is not yet clear. But the World Health Organization notes illnesses related to regular tobacco products prematurely kill more than 7 million people every year. (VOA)

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This New Device Helps in Capturing and Identifying Virus

New device to capture and identify viruses developed

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Virus device
Researchers have developed a fast and inexpensive handheld device that can capture virus. (Representational Image). Pixabay

Researchers have developed a device to quickly capture and identify various strains of virus.

“We have developed a fast and inexpensive handheld device that can capture viruses based on size,” said study researcher Mauricio Terrones from Penn State University.

“Our device uses arrays of nanotubes engineered to be comparable in size to a wide range of viruses. We then use Raman spectroscopy to identify the viruses based on their individual vibration,” Terrones added.

This device, called a VIRRION, has a wide range of possible uses. For farmers, for example, early detection of a virus in the field can save an entire crop. Early detection of a virus in livestock can save a herd from illness. Humans also will benefit by the detection of viruses in minutes rather than in days with current methods.

According to the study, published in the journal Proceedings of the National Academy of Sciences, because of its size and low cost, such a device would be useful in every doctor’s office as well as in remote locations when disease outbreaks occur.

virus device
The device uses arrays of nanotubes engineered to be comparable in size to a wide range of viruses. (Representational Image). Pixabay

Currently, virologists estimate that 1.67 million unknown viruses are in animals, a number of which can be transmitted to humans. Known viruses, such as H5N1, Zika and Ebola have caused widespread illness and death.

The World Health Organisation states that early detection can halt virus spread by enabling rapid deployment of countermeasures. “Most current techniques require large and expensive pieces of equipment,” Terrones said.

“The VIRRION is a few centimeters across. We add gold nanoparticles to enhance the Raman signal so that we are able to detect the virus molecule in very low concentrations. We then use machine learning techniques to create a library of virus types,” Terrones added.

According to the researchers, the VIRRION enables the rapid enrichment of virus particles from any type of sample — environmental or clinical — which jump-starts viral characterisation. This has applications in virus emergence, virus discovery and in diagnosis.

“We synthesized a gradient of aligned carbon nanotube forest arrays to capture different viruses according to their size and detect them in-situ using Raman spectroscopy,” said study lead author Ying-Ting Yeh.

Also Read- Know the Difference between Parkinson’s Disease and Bipolar Disorder

“We designed and assembled a portable platform that enriches virus particles from several milliliters of clinical samples in a couple of minutes,” Ting Yeh added.

“We hope to use this device for the capture and sequencing of single virions, giving us a much better handle on the evolution of the virus in real time,” said Elodie Ghedin from New York University. (IANS)