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Indian scientists make a new gel for wound healing application

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Indian scientists make a new gel for wound healing application

[vc_row][vc_column][vc_column_text]The credit goes to Arvind Singh Chandel, Dr. Suresh K. Jewrajka, Nutan Bhingradiya, and Dr. Shailja Singh.

By Bhavya Khullar

Indian scientists have come up with a new combination of polymers that can be used as a hydrogel to make the process of wound healing faster.

The main advantage of the new hydrogel is that mixing of the two polymers causes rapid gelation at the body temperature of 37 degrees Celsius itself and at the same time does not generate much heat. Generation of heat during the gelling process can lead to tissue death in the area surrounding the injection site. This will be avoided.

Speaking to the India Science Wire, Suresh Kumar Jewrajka of CSIR-Central Salt and Marine Chemicals Research Institute (CSMCRI) at Bhavnagar, Gujarat, who is one of the researchers involved in the development said, “The new hydrogel also leaves no byproduct. Hence, it is biocompatible. Further, it is biodegradable making it well suited for wound healing and tissue regeneration”.

The combination developed by the scientists consists of a modified version of polyethylene glycoland a reactive block copolymer of poly[(2-dimethylamino)ethyl methacrylate] and poly(N-isopropyl acrylamide). The two compounds react and form a hydrogel in less thanfour minutes.

The results were published in the internationally renowned science journal `Materials Chemistry B`. The journal is brought out by UK’s Royal Society.

The combination is a hydrogel. Hydrogels have a special property of absorbing water and becoming a semisolid gel at body temperature. This helps to maintain it in a liquid state in the vial and solidifying into a gel when applied on a wound or injecting near the site of an injury.

In a few minutes, the liquid becomes a gel that aggregates platelets and prevent loss of blood. This aids wound closure. It also has the ability to incorporate antibiotics and provides sustained release of the drug at the injury site.

Other scientists who contributed to the study were Arvind Singh Chandel and Nutan Bhingradiafrom CSMCRI, and Shailja Singh and Deepika Kannan from Shiv Nadar University, Uttar Pradesh.

They are now taking the research forward by testing it on mice. “We need to do extensive experiments to test its utility in clinical applications. Our future work will also deal with making elastic and crystalline hydrogels for tissue regeneration”, the scientists told India Science Wire. (India Science Wire)[/vc_column_text][/vc_column][/vc_row]

India News

Rahul Gandhi says air pollution in North India a national emergency, tourism declining, global reputation crumbling

“We need a collective national response, not political blame games,” the Congress leader said on his X handle.

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Leader of Opposition in the Lok Sabha Rahul Gandhi on Friday said the air pollution in North India is a national emergency that needs a collective national response and not a political blame game. The Congress leader added that due to air pollution tourism is declining and “our global reputation is crumbling”.

It is a public health crisis that is stealing children’s future and suffocating the elderly, Gandhi said, adding an environmental and economic disaster that is ruining countless lives.

“As Parliament meets in a few days, MPs will all be reminded of the crisis by our irritated eyes and sore throats. It is our responsibility to come together and discuss how India can end this crisis once and for all,” the Leader of the Opposition in Lok Sabha said.

The former Congress chief said the poorest “among us suffer the most”, unable to escape the toxic air surrounding them. Families are gasping for clean air, children are falling sick, and millions of lives are being cut short, he added.

The Rae Bareli MP noted that the pollution cloud covers hundreds of kilometres. He said cleaning it up will require major changes and decisive action from governments, companies, experts, and citizens.

“We need a collective national response, not political blame games,” the Congress leader said on his X handle.

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Indian Navy submarine collides with fishing boat near Goa coast, 2 fishermen missing

A spokesperson from the Navy told the media that eleven crew have been rescued so far.

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Indian Navy submarine collides with fishing boat near Goa coast, 2 fishermen missing

Indian Navy officials on Friday said that an Indian fishing vessel with a crew of 13 collided with an Indian Naval submarine near the Goa coast. 

Following the incident, a massive search and rescue operation has been launched by the Indian Navy, which has deployed six ships and aircraft. Reportedly, while 11 crew have been rescued, two are still missing.

The Ministry of Defence issued a statement and said that the vessel, Marthoma, collided with a Scorpene-class submarine about 70 nautical miles off the Goa coast. It added that search and rescue efforts for the remaining two are underway and are being coordinated with Maritime Rescue Coordination Centre Mumbai (MRCC). It further mentioned that additional assets including from the Coast Guard have been diverted to the area to augment the efforts.

The statement said that the cause of the incident is being investigated. Notably, Scorpene-class submarines are a major part of India’s naval power in the Indian Ocean as they can undertake multifarious types of missions, including anti-surface warfare, anti-submarine warfare, intelligence gathering, mine laying, and area surveillance.

Reports said that the state-of-the-art technology utilised for the construction of the Scorpene-class submarines has ensured superior stealth features such as advanced acoustic silencing techniques, low radiated noise levels, hydro-dynamically optimized shape and the ability to launch a crippling attack on the enemy using precision-guided weapons. Furthermore, the attack can be launched with both torpedoes and tube-launched anti-ship missiles, whilst underwater or on the surface.

Meanwhile, the Indian Navy in its statement said that 13 crew members were aboard the fishing vessel at the time of the collision. It added that while 11 crew have been rescued so far, two fishermen are still reported missing.

A spokesperson from the Navy told the media that eleven crew have been rescued so far. He stated that search and rescue efforts for the remaining two crew members of Marthoma are in progress and are being coordinated with the Maritime Rescue Coordination Centre (MRCC), Mumbai. Additional assets including from the Coast Guard have been diverted to the area to augment the efforts, he continued.

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10 Naxalites killed in encounter in Chhattisgarh’s Sukma

The District Reserve Guard (DRG) and the Central Reserve Police Force (CRPF) continue their search operation in the area.

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Ten Naxalites were killed in an encounter with security forces in the Sukma district of Chhattisgarh on Friday.

The confrontation started in the morning within a forest area under the jurisdiction of the Bhejji police station, where a joint operation was being conducted by security personnel as part of an anti-Naxalite initiative, according to Inspector General of Police (Bastar Range) Sundarraj P. 

This operation was initiated following intelligence regarding the presence of Maoists connected to the Konta and Kistaram area committees, situated in the forested regions around Korajguda, Dantespuram, Nagaram, and Bhandarpadar villages.

So far, the bodies of ten Naxalites have been recovered at the scene. Additionally, a significant cache of weapons was seized, including an INSAS rifle, an AK-47, and a Self Loading Rifle (SLR). 

The District Reserve Guard (DRG) and the Central Reserve Police Force (CRPF) continue their search operation in the area. This incident contributes to the year-to-date total of 207 Naxalite fatalities recorded in various clashes across the Bastar region of Chhattisgarh, comprising seven districts. 

On Wednesday, Chhattisgarh Chief Minister Vishnu Deo Sai met with Union Home Minister Amit Shah in the national capital, North Block. Their discussion focused on developmental progress in Naxal-affected areas of Chhattisgarh and efforts aimed at enhancing peace and stability in these regions. 

The Chief Minister emphasised that both the state government and security forces are diligently working to eradicate Naxal influence in Chhattisgarh, aligning with the Union Home Minister’s commitment to eliminate Naxalism by 2026.

“I met with Union Home Minister Amit Shah and updated him about the Naxal activities in Chhattisgarh. Over the past 11 months, close to 200 Naxals have been neutralized, and approximately 600-700 have surrendered. We are making significant strides towards the goal set by the Prime Minister and Home Minister to achieve a Naxal-free India by March 2026,” CM Sai told reporters following the meeting.

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