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The study was presented at the virtual conference --'29th European Academy of Dermatology and Venereology (EADV) Congress'. Unsplash

Researchers have shown that socks coated in zinc oxide nanoparticles (ZnO-NPs) can prevent foot odor and bacterial infection causing smelly feet, reducing the negative impact this embarrassing condition has on quality of life.

Developed by the Royal Thai Airforce, the ZnO-NP-coated socks were trialed in a real-life setting by researchers at the Siriraj Hospital, Mahidol University, in Thailand.


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They found that the antibacterial efficacy of ZnO-NPs, along with its safety and compatibility with human skin, makes it the perfect compound to incorporate into textiles, including socks, to prevent unpleasant foot odor.

“Our results prove the efficacy of ZnO-NP-coated socks in preventing bromodosis and inhibiting the development of pitted keratolysis (bacterial infection causing smelly feet),” said study lead author Punyawee Ongsri from Royal Thai Airforce.

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“These socks could provide a new primary prevention option for both military personnel and those susceptible to these embarrassing and unpleasant conditions,” Ongsri added.

For the results, the double-blinded, randomized, controlled trial was conducted with 148 cadets at the Thai Naval Rating School.

The study demonstrated that those with the ZnO-NP-coated socks had significantly less foot malodor compared to baseline.


Developed by the Royal Thai Airforce, the ZnO-NP-coated socks were trialed in a real-life setting by researchers at the Siriraj Hospital, Mahidol University, in Thailand. Unsplash

This was compared to the uncoated-sock group who experienced more intense foot odor with a greater negative effect on their daily life.

They also found that participants with the uncoated-socks were more likely to develop pitted keratolysis compared to those with the ZnO-NP-coated-socks.

Want to read more in Hindi? Checkout: विज्ञान के क्षेत्र से सिर्फ पुरुषों को जोड़ना गलत

“While completing an internship as a naval officer in the medical department, I saw a high number of foot infections in military personnel,” Ongsri said.

“I wanted to find a way to prevent and treat these fungal and bacterial infections and those conditions associated,” he added.

Previous studies had demonstrated zinc oxide nanoparticles’ antibacterial properties therefore the research team wanted to test the efficacy of this new technology in a real-life setting.”

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“We are continuing our research with other textiles and hope to treat and prevent the growth of bacterial and fungal infections,” the study authors wrote.

The study was presented at the virtual conference –’29th European Academy of Dermatology and Venereology (EADV) Congress’. (IANS)


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Photo by Wikimedia Commons

Delhi to get new QR-based driving livenses and registration certificates.

In a step towards digitisation of the system, Delhi Transport Department will soon issue QR based Smart cards for driving licenses (DLs) and registration certificates (RCs).

As per a statement, the new driving licence will have an advanced microchip with features like Quick Response (QR) code and Near Field Communication (NFC). The new RC will have the owner's name printed on the front while the microchip and the QR code would be embedded at the back of the card.

The cards earlier had embedded chips, but chip reader machines were not available in the required quantity with both the Delhi Traffic Police and the Enforcement Wing of the Transport Department. Moreover, chips were designed and implemented by the states concerned, which resulted in difficulties in reading the chip and retrieving information, especially in case of defaulters.

"Now with the QR based smart card, this issue is resolved. This will enable unification in linking and validating one's information to smart cards with Sarathi and Vahan, the two web-based databases of all driving licenses and vehicle registrations," the release added.

The QR is also being implemented nationwide, the QR code reader is easily procurable and will do away with the requirement of any manual intervention altogether. The new cards will also allow two specific materials for their card manufacturing -- PolyVinyl Chloride or PVC, or PolyCarbonate which is slightly more expensive but more durable. (Card Size - 85.6mm x 54.02 mm; Thickness minimum 0.7 mm)

An October 2018 notification of the Ministry of Road Transport and Highways (MoRTH) had made changes to the Driving License and Registration Certificate. The new Smart card based DL and RC, will have chip based/ QR code based recognition system. At the same time, documents such as driving license or registration certificates in electronic formats on DigiLockers and mParivahan were also made valid in place of physical documents and treated at par with original documents.

The QR code also has an added advantage of acting as a safety feature on the smart card. The department will be able to retain records and penalties of the DL holder for up to 10 years on the VAHAN database as soon as a driver/ owner's Smart card is confiscated. The new DLs will also help the government in maintaining records of differently-abled drivers, any modifications made to the vehicles, emission standards and the person's declaration to donate organs. (IANS/JB)

Keywords: Delhi, Driving License, Registration License, Digitisation.


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