Work in news – Pradeep Research Group

2024
- How minerals break down into nanoparticles
  
  Nature India, 18 July 2024
- Charged microdroplets turn minerals into nanoparticles
  
  Chemical & Engineering News, 20 June 2024
- Chemists discover spontaneous nanoparticle formation in charged microdroplets
  
  Phys.org, 11 June 2024
- Water droplets accelerate formation of mineral nanoparticles essential for life
  
  Chemistry World, 10 June 2024
- A ‘shock’ discovery
  
  Shaastra, June 2024
- IIT-M researchers show water droplets can break minerals into nanoparticles
  
  The Times of India, 04 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  Dinamani (Tamil), 04 June 2024
- Water droplets can break minerals into nanoparticles: IIT-M
  
  DT Next, 04 June 2024
- IIT-M finds water droplets can break natural minerals into nanoparticles
  
  Deccan Herald, 04 June 2024
- Natural minerals broken by water droplets form nanoparticles
  
  ETV Bharat Tamil, 03 June 2024
- Minerals can be broken down by water microfluids to form nanoparticles’ – Discovery by IIT Madras faculty
  
  The Hindu Tamil, 03 June 2024
- IIT Madras discovers water droplets can break natural minerals into nanoparticles
  
  MSN India, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  KRC Times, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  India Education Diary, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  The Hawk, 03 June 2024
- IIT Madras unveils breakthrough in nanoparticle production from water microdroplets
  
  Devdiscourse, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  Neo Science Hub, 03 June 2024
- Water microdroplets can break common minerals to make nanoparticles: IIT-M researchers
  
  Latest LY, 03 June 2024
- IIT Madras researchers reveal water droplets break natural minerals to form nanoparticles
  
  Careers 360, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  The New Indian Express - EDEX, 03 June 2024
- Natural minerals are broken by water droplets to form nanoparticles, IIT Madras researchers find
  
  Money Control, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  Republic World, 03 June 2024
- IIT Madras researchers show that natural minerals are broken by water droplets to form nanoparticles
  
  Republic World, 03 June 2024
- Water droplets can break natural minerals to form nanoparticles: IIT Madras
  
  United News of India (UNI), 03 June 2024
- Water microdroplets can break common minerals to make nanoparticles: IIT-M researchers
  
  Ahmedabad Mirror, 03 June 2024
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2022
- New nanoparticle-based material could detect antibiotics in water, Phys.Org, August 02, 2022
  
  Excerpts, "An international team of researchers has developed a new type of strong and elastic two-dimensional (2D) membrane that could detect remnants of antibiotics from water".
2021
- Ionization source for mass spectrometry needs no external power supply, Chemical and Engineering News (C&en), February 28, 2021
  
  Excerpts: “In the new method, called streaming ionization,.
2019
- Silver atoms of nanoparticles are mobile, IIT Madras team finds, Science Chronicle, January 05, 2019
  
  Excerpts: “This is akin to the exchange of hydrogen and deuterium atoms......”
- Silver atoms of nanoparticles are mobile, IIT Madras team finds, The Hindu, January 05, 2019
  
  Excerpts: “The rapid exchange of silver atoms in solution might......”
- IIT Madras produces gas hydrates by mimicking interstellar conditions, Science Chronicle, January 08, 2019
  
  Excerpts: “Gas hydrates are formed when a gas such as methane gets trapped in......”
- IIT Madras team produces gas hydrates under ‘space’conditions, The Hindu, January 08, 2019
  
  Excerpts: “IIT Madras researchers have produced in the lab methane and carbon dioxide......”
- Gas hydrates offer new window at the origin of life, Deccan Herald, January 08, 2019
  
  Excerpts: “Gas hydrates, a potential source of energy on the Earth......”
- IIT Madras produces gas hydrates by mimicking interstellar conditions, Science Chronicle, January 08, 2019
  
  Excerpts: “IIT Madras researchers have produced in the lab......”
- Methane in interstellar atmosphere can exist, say IIT Madras researchers, Outlook, January 08, 2019
  
  Excerpts: “Gas hydrates such as methane hydrate can release combustible gases......”
- Methane Can Exist In Interstellar Atmosphere: IIT Madras Researchers, NDTV, January 09, 2019
  
  Excerpts: “Researchers at the Indian Institute of Technology, Madras......
- IIT Madras: Breath humidity sensors for wearable electronics, The Hindu, July 27, 2019
  
  Excerpts: “A nanofibre sensor capable of sensing minute variations......”
- Big Breakthrough! IIT Madras degrades plastic in eco-friendly way, The Financial Express, September 16, 2019
  
  Excerpts: “Arjun Ram Meghwal urged the Indian Institute of Technology, Madras to invent......”
- Early work on for safe replacement of plastics, The Economics Times, September 27, 2019
  
  Excerpts: “A number of entrepreneurs across the country, who have been working
- Mimicking space, IIT-M scientists cage methane in water, The Hindu BusinessLine, January 08, 2019
  
  Excerpts: “These nano cages, also called clathrate hydrates, assume......”
- IIT Madras finds an eco-friendly way to degrade plastics, The Hindu, September 15, 2019
  
  Excerpts: “The strategy can degrade several varieties of plastic - Teflon, polyethylene, polypropylene......”
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2018
- Novel technique to detect paraffin oil contamination in coconut oil, The Hindu, April 28, 2018
  
  Excerpts: “It was shocking to see such high levels of mineral oil contamination ......”
2017
- IIT Madras develops extremely water-repellent coating, The Hindu, October 28, 2017
  
  Excerpts: “Nanocellulose-based liquid dispersion that renders the coated surface extremely water repellent......”
- When silver ‘grows’ in paddy fields, The Hindu, August 06, 2017
  
  Excerpts: “A rice variety originally from West Bengal is able to accumulate the metal in its grain......”
2016
- IIT Madras researchers dissolve silver using glucose water, The Hindu, June 2016
  
  Excerpts: “Dissolution of silver by glucose is enhanced by the presence of carbonates and phosphates. ...”
- IIT team with a Midas touch, on a nano-scale, The Hindu, Nov 2016
  
  Excerpts: “This is like transforming a silver Nataraja sitting on your table to a gold equivalent, by atom-by-atom changes. ...”
- IIT-M: Designer alloys by chemical reactions, The Hindu, January 2016
  
  Excerpts: “Clusters of gold and silver react spontaneously to make alloy clusters. ...”
- IIT Madras scientists’ cheaper solution to make brackish water potable, Prasad Ravindranath’s Weblog, Sept 2016
  
  Excerpts: “It may soon become possible to convert brackish water into drinking water at about 12 paisa per liter. ...”
- IIT Madras cheap solution to make brackish water potable, The Hindu, Sept 2016
  
  Excerpts: “It may soon become possible to convert brackish water into drinking water at about 12 paisa per liter. ...”
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2018
- Novel technique to detect paraffin oil contamination in coconut oil, The Hindu, April 28, 2018
  
  Excerpts: “It was shocking to see such high levels of mineral oil contamination ......”
2017
- IIT Madras develops extremely water-repellent coating, The Hindu, October 28, 2017
  
  Excerpts: “Nanocellulose-based liquid dispersion that renders the coated surface extremely water repellent......”
- When silver ‘grows’ in paddy fields, The Hindu, August 06, 2017
  
  Excerpts: “A rice variety originally from West Bengal is able to accumulate the metal in its grain......”
2016
- IIT Madras researchers dissolve silver using glucose water, The Hindu, June 2016
  
  Excerpts: “Dissolution of silver by glucose is enhanced by the presence of carbonates and phosphates. ...”
- IIT team with a Midas touch, on a nano-scale, The Hindu, Nov 2016
  
  Excerpts: “This is like transforming a silver Nataraja sitting on your table to a gold equivalent, by atom-by-atom changes. ...”
- IIT-M: Designer alloys by chemical reactions, The Hindu, January 2016
  
  Excerpts: “Clusters of gold and silver react spontaneously to make alloy clusters. ...”
- IIT Madras scientists’ cheaper solution to make brackish water potable, Prasad Ravindranath’s Weblog, Sept 2016
  
  Excerpts: “It may soon become possible to convert brackish water into drinking water at about 12 paisa per liter. ...”
- IIT Madras cheap solution to make brackish water potable, The Hindu, Sept 2016
  
  Excerpts: “It may soon become possible to convert brackish water into drinking water at about 12 paisa per liter. ...”
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2015
- IIT: graphene nanoribbons produced by a novel method, The Hindu, June 2015
  
  Excerpts: “Graphene nanoribbons, produced here by simply grinding carbon nanotubes, are being increasingly used. ...”
2014
- Nanotechnology coating helps shrink mass spectrometers, nano werk, March 2014
  
  Excerpts: “Researchers found that when paper used to collect a sample was coated with carbon nanotubes. ...”
- Nanotube coating helps shrink mass spectrometers, Science Daily, March 2014
  
  Excerpts: “Taking science to the people is what is most important. ...”
- Nanotube coating helps shrink mass spectrometers, Purdue News, March 2014
  
  Excerpts: “Taking science to the people is what is most important. ...”
- Honey, I shrunk the mass spectrometer, The Hindu, March 2014
  
  Excerpts: “Mass spectrometers that are as small as a smart phone and require as little as one volt. ...”
- Carbon Nanotube Coating Shrinks Size of Spectrometers, IEEE, March 2014
  
  Excerpts: “The technique depends on a strong electric field and the nanotubes act . ...”
- Nanotube Coating Helps Shrink Mass Spectrometers, PCB Design007, March 2014
  
  Excerpts: “The technique depends on a strong electric field and the nanotubes act . ...”
- Nanotube coating helps shrink mass spectrometers, SciGuru, March 2014
  
  Excerpts: “This is a big step in our efforts to create miniature, handheld mass spectrometers for the field. ...”
- Tool likened to Star Trek’s “tricorder” performs on-the-spot chemical analysis, PACE, March 2014
  
  Excerpts: “Nanotechnology is advancing tools likened to Star Trek's "tricorder" that perform on-the-spot chemical analysis. ...”
- Coating For Nanotubes Helps Shrink Mass Spectrometers, redOrbit, March 2014
  
  Excerpts: “The technique depends on a strong electric field and the nanotubes act . ...”
- Tricorder technology advances with nanoscale discovery, The Engineer, March 2014
  
  Excerpts: “A team of researchers from Purdue University in the US and the Indian Institute of Technology Madras performed the study. ...”
- Turning a simple optical microscope into a powerful tool, The Hindu, August 2014
  
  Excerpts: “Small modifications to an ordinary optical microscope have helped turn it into a powerful instrument. ...”
- Nanotech on tap, C&EN, November 2014
  
  Excerpts: “Indian technology offers clean water at low cost. ...”
- Novel way to produce safer drinking water, The Hindu, November 2014
  
  Excerpts: “Making drinking water a lot safer by killing an overwhelming number of bacteria. ...”
- Separate metallic nanoclusters with ease, ChemistryViews, December 2014
  
  Excerpts: “Noble metal clusters, especially those of gold, can be precisely synthesized on an atomic level. ...”
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2013
- IIT-M develops low-cost nano purifier, The Hindu, February 2013
  
  Excerpts: “Over the next few years, we hope it will benefit at least 10 percent of people. ...”

2012
- Gold flowers to detect explosives, Nature India, 26 August 2012
  
  Excerpts: “Just one 'flower' is enough to operate as a sensor. ...”
- Tiny cleaners, The Telegraph, 26 March 2012
  
  Excerpts: “What was challenging was to make the know-how affordable and create something that would not recontaminate water. ...”
- Gold flowers to detect explosives, Angewandte Chemie International Edition, 27 August 2012
  
  Excerpts: “Just one 'flower' is enough to operate as a sensor. ...”
- Bomb buster, Down to Earth, 16-30 September 2012
  
  Excerpts: “TNT or trinitrotoluene is the explosive of choice for various terrorist groups...”
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2011
- Confusion over credit for ‘super sand’, Nature India, 14 July 2011
  
  Excerpts: “We showed that chemically synthesised graphene can be used for water purification and, when coated on river sand, becomes a good medium for this application...”
2010
- Highlights from recent literature, Gold Bulletin, volume 43 no 1 2010
  
  Excerpts: "Gold-coated zinc oxide nanowire-based substrate for surface-enhanced raman spectroscopy... "

2009
- Purifying Each Drops, Breakthrough – BRINGING IDEAS TO LIFE
  
  Excerpts: “We couldn't believe our eyes when we realised that the breaking of the carbon chlorine bond, one of the toughest bonds happened in one of our labs and at room temperature," Professor Pradeep said.
- On sale now, a pure drop to drink, Deccan Herald, November 2009
  
  Excerpts: “We have reached a point where all sources of our drinking water contain some level of..."
2008
- Indian indigenous R&D provides opportunities for safe drinking water at affordable cost, India Tribune, March 2008
  
  Excerpts: “Several scientific journals, newspapers and websites carried articles on this. I would like you to have a look at the website of our group. Please see the link below.
- IIT Madras develops nanoparticles to fight pesticide residues, Live Mint – The Wall Street Journal, January 2008
  
  Excerpts: “Even though some of these pesticides have been banned, they are very much present in the environment. For instance, endosulfan has an environmental lifetime of 100 years. Efficient chemistry at low concentration is important so that even if one molecule of the pesticide passes by, it gets removed by the nanoparticle...”
- IIT Scientists Use Nanoparticles To Filter Organochlorines from Water, Beyond Pesticides Daily News Blog, January 2008
  
  Excerpts: “Many of these organics are extremely stable in the environment. Hence, chemistry of novel materials is the need, said Pradeep. His group has also developed a pesticide test kit...”
- The nano love triangle, Nature India, February 2008
  
  Excerpts: “Making prisms of nanometer magnitude is a daunting task. An Indian research team has done just that — produced gold nanoparticles shaped like tiny prisms that hold promise as raw materials for developing nanosensors and biochips...”
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2007
- World’s first nano-material based water filter, Nanotechnology.com, April 2007
  
  Excerpts: “The filter uses technology developed by IITM, and is to be released by Eureka Forbes Ltd. It removes pesticides from drinking water by an unusual chemistry utilising metal nanoparticles, one learns...”
- IIT develops nano water filter, Business Today, May 2007
  
  Excerpts: “It is a nanotechnology based water filter, the first of its kind, developed by an IIT Madras team lead by T Pradeep, Professor of Chemistry...”
- Aquaguard Total’ launched, The Hindu, June 2007
  
  Excerpts: “The technology has been patented and certified by popular organisation like Indian Medical Association, ISI and ISO. The removal of pesticide in an eco-friendly mannerwould prevent water-borne disease that would affect bones...”
- Glowing future for nanotube, Chemistry World, October 2007
  
  Excerpts: “If the visible fluorescence can be excited by electrical means (electroluminescence) rather than light, it would immediately be applicable in semiconducting field to produce LEDs and lasers...”
- Nanotechnology pesticide filter debuts in India, Nanowerk.com, April 2007
  
  Excerpts: “Our pesticide filter is an offshoot of basic research on the chemistry of nanoparticles...”
- Pesticide filter debuts in India, Chemistry World, April 2007
  
  Excerpts: “The chemistry occurs in a wide concentration range of environmental significance. He added that tests proved silver particles from the filter are not released into the water...”
- World’s first nano-material based water filter, The Hindu, April 2007
  
  Excerpts: “Technology used in the product is the very first and is home-grown. No nanoparticle based water filter exists in the world as of now...”
- World’s first nano-material based water filter, Business Line, April 2007
  
  Excerpts: “I would say that such technologies have to be available to people at affordable cost for tackling diverse problems. I want to clarify that nano does not mean increased cost...”
- New light on old material, The Telegraph, November 2007
  
  Excerpts: “It is like striking gold at the very first go. When Chandramouli Subramaniam, a PhD student at Professor Thalappil Pradeep’s lab at the Indian Institute of Technology (IIT), Madras, chose to work on carbon nanotubes (microscopic tubes of pure carbon whose diameter is 50,000 times less than the width of human hair) in 2002, little did he and his colleagues imagine that they would be breaking new ground soon....”
- Aquaguard Gold Nova launch, Deccan Chronicle, June 2007
  
  Excerpts: “The new technology will break pesticide molecules, which are reported to have dangerous effects on human organs, to amorphous carbon which is not harmful...”
Explore More

2006
- Material Science with Nanoparticles, IIT Madras News, August 2006
  
  Excerpts: “We are exploring ways to make sub-nanometer particles containing a few tens of atoms. Properties of these cluster molecules are expected to be completely new. Their reactivity is expected to bring out surprises...”
- Using Gold to Trap Pesticides in Water, Meridian Institute, August 2006
  
  Excerpts: “Researchers from the Indian Institute of Technology, Madras have developed a technology that uses gold and silver nanoparticles to filter pesticides from water...”
- Gold and Silver for Water Purification, Chemistry Science Tips, August 2006
  
  Excerpts: “The precious metals of gold and silver got a more precious role to play - in the field of water purification...”
- Using gold to trap pesticides in water, Nanost World, November 2006
  
  Excerpts: “Gold and silver nanoparticles can adsorb pesticides. Endosulfan, malathion, chlorpyrifos can be filtered. Scientists see great possibilities for application of technology...”
- Clean Water: Using gold to trap pesticides in water, Foresight Nanotech Institute, August 2006
  
  Excerpts: “The most precious role yet for gold and silver could be in the field of water purification. Two scientists from the Indian Institute of Technology, Madras, T. Pradeep and A. Sreekumaran Nair, have patented technology to use gold and silver nanoparticles to filter endosulfan, malathion and chlorpyrifos pesticides from water...”
- Breakthrough in entrapping silica nanobubbles, India Review, November 2006
  
  Excerpts: “Researchers at the Indian Institute of Technology (IIT), Chennai, have succeeded in entrapping antibiotics within silica nanobubbles and delivering them into cells, a major step towards drug efficacy...”
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2005
- Technologies that might soon impact your industry, The New Omnexus, 2005
  
  Excerpts: “Silver nanoparticles can be coated on common polyurethane foams by overnight exposure of the foams to nanoparticle solutions. Combined with the low cost and effectiveness in its applications, the technology has large commercial potential especially in developing countries...”
2004
- Fluorescent nanostructures bubble up, News India, March 2004
  
  Excerpts: “Indian chemists have made miniature fluorescent bubbles containing molecules of an anti-bacterial agent. These ‘fluorescent nanobubbles’ contain the antibiotic ciprofloxacin inside a shell of silica...”
- Carbon dioxide concentration oscillates over melting ice, News India, October 2004
  
  Excerpts: “The ice-water system is the most ubiquitous heterogeneous system on our planet, and oscillations of carbon dioxide, even in the presence of atmospheric gases, are likely to have a profound implications for atmospheric processes...”
- Filter out trouble, Down to Earth, December 2004
  
  Excerpts: “Chemists at Indian Institute of Technology (IIT) Chennai, have developed a nanoparticle based technique to remove pesticides from drinking water. The feat is noteworthy, for exposure to pesticides can trigger genetic mutations and neurological disorders...”

2003
- Size matters in noble attempt at pollution control, News India, June 2003
  
  Excerpts: “The scientists report that bulk silver metal does not react with chlorocarbon to yield sodium chloride and carbon because the reaction is endothermic. But it is feasible at the nanoscale...”
2001
- Chemical theory skating on thin ice, News India, October 2001
  
  Excerpts: “This finding may affect the current understanding of the mechanisms of ozone depletion and other photochemical processes that occur on ice particles in the stratosphere or outer space...”
- Chemistry on ice surfaces, Chemical and Engineering News, April 2001
  
  Excerpts: “Protonation of ammonia by hydronium ion on ice surfaces is incomplete at 120 K, researchers at the Indian Institute of Technology (IIT), Madras, and Pohang University of Science & Technology, South Korea, report ...”
- Unusual chemistry on ice surfaces, The Hindu, June 2001
  
  Excerpts: “Have you ever thought that ice surface can be a subject of intense research? As you pick an ice cube you may not have thought that unusual processes occur right on its surface. But new chemistry observed on ice surfaces suggest that there may be processes of importance occurring at the surface of ices...”

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