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Scientists Develop Electrically Charged Patch for Faster Wound Healing

A child shows her adhesive bandage after being inoculated with Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19), during the vaccine rollout for children with comorbidities, in Pasig, Metro Manila, Philippines, October 15, 2021. REUTERS/Lisa Marie David
A child shows her adhesive bandage after being inoculated with Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19), during the vaccine rollout for children with comorbidities, in Pasig, Metro Manila, Philippines, October 15, 2021. REUTERS/Lisa Marie David
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Scientists Develop Electrically Charged Patch for Faster Wound Healing

A child shows her adhesive bandage after being inoculated with Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19), during the vaccine rollout for children with comorbidities, in Pasig, Metro Manila, Philippines, October 15, 2021. REUTERS/Lisa Marie David
A child shows her adhesive bandage after being inoculated with Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19), during the vaccine rollout for children with comorbidities, in Pasig, Metro Manila, Philippines, October 15, 2021. REUTERS/Lisa Marie David

A team of researchers working at the University of Electronic Science and Technology of China has developed an electrically charged thin film patch for promoting faster wound healing.

In their paper published in the Science Advances journal, the group describes their patch, how it works, and how well it performed when tested on rats.

For thousands of years, humans have been looking for ways to promote faster healing of wounds in order to reduce both the length of time a patient experiences pain and the chances of infection. In this new effort, the researchers created an electrically charged thin film patch that helps wounds heal faster.

Prior research has shown that applying electricity to wounds induces faster healing. Unfortunately, this approach has been limited by bulky and complicated machinery. In this new effort, the researchers created a small, flexible patch that takes advantage of electricity's healing powers without the need for such equipment.

The patch is four-layered: the top and bottom layers are made of a type of electrically charged plastic and they get their charge through contact with the skin. One of the middle layers is made of a silicone rubber gel that helps the patch conform to the contours of the skin. The other middle layer is made of a shape-memory alloy material; its purpose is to pull the sides of the wound closer. The resulting thin-film patch is just 0.2 millimeters thick.

The researchers applied the patch to two kinds of wounds on test rats—straight and circular. They compared healing rates against other types of dressings and against undressed wounds.

They found that circular wounds treated with the patch were 96.8 percent healed after eight days, compared to 76.4 to 79.9 percent for other dressings. Those that went untreated were only 45.9 percent healed.

They found similar results in straight-line wound healing, though all of them healed faster than the circular wounds—such wounds require far less new skin development to heal.

The researchers suggest their patch is a viable wound treatment option and plan to continue upgrading its features, such as allowing for differently shaped wounds.

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Caffeinated Beverages May Help Protect the Brain, Study Says

A cup of coffee and a cappuccino are seen at a Juan Valdez store in Bogota, Colombia June 5, 2019. (Reuters)
A cup of coffee and a cappuccino are seen at a Juan Valdez store in Bogota, Colombia June 5, 2019. (Reuters)
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Caffeinated Beverages May Help Protect the Brain, Study Says

A cup of coffee and a cappuccino are seen at a Juan Valdez store in Bogota, Colombia June 5, 2019. (Reuters)
A cup of coffee and a cappuccino are seen at a Juan Valdez store in Bogota, Colombia June 5, 2019. (Reuters)

Drinking a few cups of caffeinated coffee or tea every day may help in a small way to preserve brain power and prevent dementia, researchers reported on Monday.

People with the highest daily intake of caffeinated coffee had an 18% lower risk of developing dementia compared to those with the lowest such intake, according to a study based on responses to questionnaires by 132,000 U.S. adults spanning four decades.

The study, published in JAMA, also found that the people with the highest intake had a lower rate - by nearly 2 percentage points - of ‌self-perceived memory ‌or thinking problems compared to those with ‌the ⁠lowest intake.

Results were ‌similar with caffeinated tea, but not with decaffeinated beverages, the researchers said.

While the findings are encouraging, the study does not prove caffeine helps protect the brain, they said.

The magnitude of caffeine's effect, if any, was small, and there are other better-documented ways to protect cognitive function as people age, study leader Dr. Daniel Wang ⁠of Harvard Medical School said in a statement.

Lifestyle factors linked with lower risks of ‌dementia include physical exercise, a healthy diet ‍and adequate sleep, according to previous ‍research.

"Our study suggests that caffeinated coffee or tea consumption can ‍be one piece of that puzzle," Wang said.

The findings were most pronounced in participants who consumed two to three cups of caffeinated coffee or one to two cups of caffeinated tea daily, the researchers reported.

Those who drank caffeinated coffee also showed better performance on some objective tests of cognitive function, according to the ⁠study funded by the National Institutes of Health.

Further research is needed to validate the factors and mechanisms responsible for the findings, the researchers said.

They noted that bioactive ingredients in coffee and tea such as caffeine and polyphenols have emerged as possible factors that reduce nerve cell inflammation and damage while protecting against cognitive decline.

"We also compared people with different genetic predispositions to developing dementia and saw the same results - meaning coffee or caffeine is likely equally beneficial for people with high and low genetic risk of developing ‌dementia," study coauthor Dr. Yu Zhang of the Harvard T.H. Chan School of Public Health said in a statement.

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AlUla Announces Exceptional Ramadan Experiences

These programs come as part of efforts to enhance AlUla’s tourism experience - SPA
These programs come as part of efforts to enhance AlUla’s tourism experience - SPA
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AlUla Announces Exceptional Ramadan Experiences

These programs come as part of efforts to enhance AlUla’s tourism experience - SPA
These programs come as part of efforts to enhance AlUla’s tourism experience - SPA

AlUla Governorate is welcoming the holy month of Ramadan this year with a wide range of diverse tourism experiences that reflect the area’s distinctive character and rich cultural heritage, reinforcing its position as one of the Kingdom’s most prominent destinations to visit during the holy month.

During Ramadan, AlUla offers an integrated experience catering to different visitor preferences, including guided stargazing experiences, cultural events, and night markets, in addition to traditional dining experiences for Iftar and Suhoor, embodying the depth of AlUla’s cultural heritage and local identity.

The Ramadan programs in AlUla include a variety of standout events, such as Ramadan experiences at Maraya Hall, a cultural market, and live performances in the atmosphere of Ashar Valley, alongside heritage tours in AlUla Old Town that narrate stories of AlUla and its Ramadan customs, including the award-winning Incense Road Experience, SPA reported.

The programs also feature seasonal art exhibitions hosted across multiple cultural venues, including Design Space AlUla, the fourth edition of Desert X AlUla, and the Arduna exhibition at AlUla Oasis, in addition to experiences combining art, nature, and stargazing at Daimumah Oasis in collaboration with AlUla Manara.

Visitors are also offered tours to prominent archaeological sites, including Hegra, Dadan, and Jabal Ikmah, to explore ancient sites dating back centuries BCE and view unique rock inscriptions, as well as adventure experiences ranging from dinner and stargazing in Sharaan, hot-air balloon rides, mountain hiking trails, and safari tours.

These programs come as part of efforts to enhance AlUla’s tourism experience during the holy month of Ramadan and provide diverse options that meet visitor expectations, contributing to the growth of tourism activity and showcasing the governorate’s natural and cultural assets.

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NCW Releases over 10,000 Animals under Reintroduction Programs

The releases carried out by the center over the past years included more than 80 priority wildlife species - SPA
The releases carried out by the center over the past years included more than 80 priority wildlife species - SPA
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NCW Releases over 10,000 Animals under Reintroduction Programs

The releases carried out by the center over the past years included more than 80 priority wildlife species - SPA
The releases carried out by the center over the past years included more than 80 priority wildlife species - SPA

The National Center for Wildlife (NCW) announced that the total number of wildlife animals released under its breeding and reintroduction programs for locally threatened species has exceeded 10,000 animals, an achievement reflecting the scale of the center’s sustained efforts to develop wildlife, restore ecosystems, and enhance biodiversity across various regions of the Kingdom.

The releases carried out by the center over the past years included more than 80 priority wildlife species, including reem gazelles (sand gazelles), Arabian oryx, Idmi gazelles, mountain ibex, houbara bustards, ostriches, and sandgrouse, as part of efforts aimed at supporting the recovery of natural populations of these species and enhancing their sustainability within their environmental and historical ranges, SPA reported.

CEO of NCW Dr. Mohammad Qurban noted that release operations are among the key tools for restoring ecosystems and reducing ecological imbalance, as the return of wildlife to their natural habitats contributes to protecting biodiversity and improving environmental quality, which in turn supports habitat integrity, the continuity of plant and animal components, and the enhancement of ecosystem functions over the long term.

NCW continues to implement its strategic plans to develop wildlife, protect endangered species, and enhance the efficiency of natural habitat management through expanding breeding programs, enhancing applied scientific research, building national capacities, and applying the best international practices in biodiversity management, in addition to raising environmental awareness, engaging local communities, and supporting eco-tourism, thereby contributing to achieving the objectives of the Saudi Green Initiative and Saudi Vision 2030, and the National Environment Strategy, toward thriving and sustainable wildlife, biodiversity, and ecosystems.