Category Archives: Science & Technology

How coffee makes concrete stronger

How coffee makes concrete stronger
Dr Rajeev Roychand (second from left) and his research team have developed a way to use coffee grounds to strengthen concrete by 30 per cent

It can wake you up, it is an anti-oxidant, it is said to be nature’s best pre-workout drink when it comes to burning fat while working out, and now, it can make stronger houses.

No, this writer has not had too much coffee. Just the usual four cups since morning. The last fact mentioned above is supported by scientific research, detailed in a research paper titled Transforming spent coffee grounds into a valuable resource for the enhancement of concrete strength, published in the Journal of Cleaner Production this year. And the lead author of this research paper is Dr Rajeev Roychand, an Australian national originally from sadda Punjab.

Born in the Gurdaspur district, Roychand grew up in Amritsar and moved to Australia in 2005 for higher studies, after completing his Masters in Civil Engineering.

“I was living a carefree life on my father’s hard-earned money, with absolutely no vision for my future,” Roychand tells mid-day through an email interaction. “It was making my father quite anxious. He finally decided to send me to Australia, hoping that I may become serious when I won’t find anybody to pamper me all the time and when I feel the realities of the harsh life.”

The move came as a blessing in disguise for Roychand, who, for the first time, learned the importance of money during his first job at a restaurant.

“The owner called me for a day. It was a very busy restaurant and I worked from 3 pm to 11 pm. without a single second’s break. I worked so hard that the owner of the restaurant asked me to become a regular employee of the restaurant. This extreme hard work was like a sudden shock for me, and I was not mentally prepared to accept this job offer. Seeing that I wasn’t interested, the owner refused to pay me. I went to the station to go back home and cried a lot at the station,” he recalls

Roychand went on to work as a taxi driver till 2008, during which time he also got his citizenship, and then worked as a structural engineer at a private firm. Research, however, was always his calling.

“I was always fascinated by the research field, so in year 2013, I decided to do my PhD at RMIT University, Melbourne,” Roychand says. “The focus of my research was developing a low carbon footprint alternative to the conventional Portland cement.  By the time I completed my PhD in year 2017, I was successful in developing a high durability zero cement concrete utilising different industrial by-products like fly ash, slag, silica fume and some chemical additives.”

The road to Roychand’s Eureka moment in his latest project, funnily enough, started over a cup of coffee, when the research group he is part of at RMIT met to discuss transformation of different waste materials to strengthen concrete.

“We decided to start with coffee waste, taking it as a challenge. We worked on this project for about a year, and finally we came up with a solution that could transform this waste into a valuable additive for strengthening concrete,” he says.

For the benefit of the lay reader, he breaks down the research into simple words.

“Concrete is made up of cement, water, sand, and gravel. In this project, we found that heating spent coffee grounds at 350°C temperature in the absence of oxygen significantly improves its properties. When this treated coffee waste is used as a replacement for sand, it provides a 30 per cent improvement in the strength of concrete,” he explains.

The team, guided by Professor Jie Li and comprising Roychand and his fellow researchers Shannon Kilmartin-Lynch and Mohammad Saberian, Roychand, made their findings public earlier this month, leading to widespread fame. Apart from several research enthusiasts and experts who spoke about the feat, even the official account of the Australian Consulate in India lauded their achievement.

But for them, the most exciting part is that the waste that was ending up in landfills is now ready to be tried out as a high value by-product for construction applications. But that’s not all. Roychand’s research might soon be coming to India, he reveals.

“No doubt, India could immensely benefit from this research. I will be the happiest person if any of my research could benefit my motherland. We are in consultation with one of the companies from India,” he shares, adding, “I still do miss a lot of things, like Amritsari food,  and visiting friends and relatives during festivals. But my world revolves around science,” he concludes.

source: http://www.mid-day.com / Mid-Day / Home> Sunday Mid-Day News / by Gautam S Mengle / September 10th, 2023

Two-Day Science Fair At Kodagu Model School From Tomorrow

Mysore/Mysuru: 

Kodagu Model School, Mysuru, promoted by Sri Kavery Kodava Association, Mysore East, has organised a Science Fair on Sept. 23 and 24 (Saturday and Sunday) at its campus in Vidyashankar-nagar, Mysuru.

This Science Fair will provide a platform for young minds to foster creativity, innovation and scientific temperament. It will  be an interactive forum where students can showcase their scientific prowess, exchange ideas and stimulate interest in the mysteries of science by displaying the science working models.

Vikram Muthanna, Managing Editor, Star of Mysore and Mysuru Mithra, will inaugurate the Fair on Sept. 23 at 10 am along with S. Praveen Kumar, Deputy CEO & Head Education – Swami Vivekananda Youth Movement and Puliyanda S. Devaiah,  President of Kodagu Model School.

Later, there will be a talk on the topic “What after completing grade 10 & 12?” by Shankar Bellur, Academic Coach for Career Guidance, at 2.30 pm. Parents and students of classes 9 to 12 can benefit from the session.

On Sept. 24 at 10 am, a live workshop on ‘Foldscope – An innovative way of preparing paper microscope’ for students of classes 8 to 10 will be conducted by Kollegala Sharma, retired Chief Scientist from CSIR -Central Food Technological Research Institute, Mysuru. This workshop will be conducted for parents’ along with their children.

Science Fair is open to all. Parents and students interested to participate in Career Guidance and Foldscope Live workshop may register their names on Mob: 63636-47704 or 98453-04360.

source: http://www.starofmysore.com / Star of Mysore / Home> News / September 22nd, 2023

Two students from Kodagu selected for NCSC

Two students from Kodagu selected for NCSC

Two young scientists from Kodagu have been selected for the National Children’s Science Congress (NCSC).

National Council for Science and Technology Communication (NCSTC) and Rajya Vijnana Parishat had organised the 28th National Children’s Science Convention.

Owing to the Covid-19 pandemic, the convention was organised on virtual mode.

The selected students are C S Raghuvamshi and K K Mahin from Bharatiya Vidya Bhavan Kodagu Vidyalaya, said convention district coordinator G Sriharsha.

In the state-level junior-level competition held under the theme ‘science for sustainable living’, C S Raghuvamshi and team member N R Samanyu had presented a scientific paper on Shola forest in Kodagu. They prepared their study under the guidance of teacher M S Shruthi.

In the senior category, K K Mahin and team member Purab Ponnappa had prepared a scientific paper on ‘chemical insecticide is boon or bane’ under the guidance of teacher M Lohith Changappa.

Accordingly, Raghuvamshi and Mohin have been selected for the National Children’s Science Congress (NCSC), said Vijnana Parishat programme organiser T G Premkumar.

The state-level competition was held at Vijnana Bhavan in Bengaluru. Senior scientist Dr V K Athre Adamya and Adamya Chetana managing trustee Tejaswini Ananth Kumar felicitated the young scientists.

C S Raghuvamshi is the son of civil engineer C R Shivashankar and teacher P Sandhya while K K Mahin is the son of businessman Krishna Mohan and Sridevi.

Team members Samanyu is the son of artists Ram Gautham and Aruna, while Purab Ponnappa is the son of Mathanda Bab Devaiah and Ponnamma.

Owing to the Covid-19 pandemic, the competition was held on virtual mode. For the state-level contest, 10 junior scientists were selected from Kodagu.

The science Congress is organised to instil scientific temperament and develop creativity in children.

source: http://www.deccanherald.com / Deccan Herald / Home> India> Karnataka / by DHNS / August 23rd, 2021

Appointed As Visiting Fellow At National Institute Of Health

Dr. Cheranda Koushik Ponnanna has been appointed as a Visiting Fellow at the National Institute of Health (NIH), National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Phoenix, Arizona.

He will be conducting his Post Doctoral Resarch on the Genetic Basis of Type 2 Diabetes and Obesity. He holds a Ph.D in Genetics from University of Mysore. He is the son of Cheranda Ravi Thimmaiah and Usha from B. Shettigeri, Kodagu.

source: http://www.starofmysore.com / Star of Mysore / Home> In Briefs / August 14th, 2023

Madikeri to get critical care center on KIMS campus

MP urges CM to release an additional sum of ₹70 crore for the 450-bed teaching hospital of Kodagu Institute of Medical Sciences.

Pratap Simha, MP, at the meeting on KIMS in Madikeri on Friday. Deputy Commissioner Venkatraja is also seen. | Photo Credit: SPECIAL ARRANGEMENT

Mysuru-Kodagu MP Pratap Simha on Friday urged Chief Minister Siddaramaiah to release an additional sum of ₹70 crore for the completion of a 450-bed teaching hospital for Kodagu Institute of Medical Sciences (KIMS) in Madikeri. A sum of ₹100 crore had been released for the hospital project and additional funds are essential for completing the works, he added.

Earlier, the MP held a meeting with the officials and doctors of KIMS on establishing a critical care center on the KIMS premises in Madikeri. The proposed center has been estimated to cost₹29 crore, he said.

Engineer Rajesh told the meeting that the critical care center has been proposed on 45-cent land on the KIMS campus and the tender process had also been done. He said the general wards of the teaching hospital of the KIMS are likely to be completed by November. The works need additional funds for completion, he said, adding that the critical care center will be completed in the next 15 months.

Mr. Simha told the officials to send the proposal on a critical care center to the government for the funds. MRI equipment for the teaching hospital and the mother and child hospital for Kodagu has become essential for improving public healthcare services, he added.

The hospital doctors and staff told the MP about the need for constructing quarters for the KIMS staff. In reply, the MP said suitable land for the staff quarters will be provided.

The concerned engineers told the meeting that the land on Murnad Road belonged to the KIMS and the same land parcel can be used for building KIMS’ staff quarters.

source: http://www.thehindu.com / The Hindu / Home> News> India> Karnataka / by The Hindu Bureau / July 28th, 2023

Dr Ramachandra Kamath receives best paper award

Madikeri : 

Dr Ramachandra Kamath, professor and head, department of community medicine, Kodagu Institute of Medical Sciences and visiting faculty, Edward & Cynthia Institute of Public Health received the Dr R N Roy best paper award from Dr C V Ananda Bose, Governor of West Bengal recently.

Dr Kamath received the award for his paper titled, ‘Assessment of health status and impact of pollution from thermal power plant on health of population and environment around the plant in Udupi district Karnataka’ published in Indian Journal of Public Health of the year 2022, Vol. 66, Issue 2.

source: http://www.daijiworld.com / DaijiWorld.com / Home> Karnataka / by Media Release / April 12th, 2023

Madikeri, Virajpet hospitals get hi-tech ambulances

Two hi-tech ambulances with one costing ₹42 lakh and another ₹17 lakh were handed over to the Intensive Care Unit of the hospital attached to the Kodagu Institute of Medical Sciences (KIMS) in Madikeri and Virajpet Government Hospital, in Madikeri on Thursday.

Mysuru-Kodagu MP Pratap Simha handed over the two ambulances.

The ambulance that was handed over to the district hospital (of KIMS) is an advanced one equipped to provide ICU care.

The MP said public healthcare was being upgraded providing the hospitals under the government set-up with advanced facilities. The Centre has decided to strengthen the public healthcare post COVID-19. The ambulances that were handed over today were part of the efforts.

He said the government has allocated ₹100 crore to Kodagu for increasing the beds at the district hospital to 450. The expansion of the hospital building is underway. Already, a women’s hospital with 150 beds has been given a start.

Kodagu will get all advanced healthcare services as a trauma care centre has also been sanctioned at a cost of ₹29 crore, he added.

MLAs Appachu Ranjan, K.G. Bopaiah and others were present.

source: http://www.thehindu.com / The Hindu / Home> News> India> Karnataka / by The Hindu Bureau / March 23rd, 2023

Empowering Women’s Health: Lopamudra Hospitals mark International Women’s Day

Empowering Women's Health: Lopamudra Hospitals mark International Women's Day

Gonikoppal (Karnataka) :

On the occasion of International Women’s Day, Lopamudra Hospitals, Gonikoppal organized a special event to celebrate women.

The event was graced by three renowned women from the region, Dr Gowramma Paruvangada, Consultant OBG at PNM hospitals, with five decades of practice in mother and child care, Dr. Fathima Kariappa, President of IMA Virajpet and Consultant OBG at Virajpet Nursing Home, and Uzma Jabeen, Panchayat Development Officer, the youngest in the district of Kodagu.

The event was presided over by the Managing Directors, Capt. Madappa M. A. and Dr Amrit Nanaiah M.M., a Consultant Physician at the Hospital. Dr Soumya Ganesh Nanaiah the Director of the Lopamudra Drishti Eye Hospital, a Cataract and Refractive Surgeon was present. She also emceed the event. Dr Sonia Mandappa, Consultant OBG, and Dr Trupthi Uthappa, Consultant ENT, were also present.

Speaking of their varied experiences, the Chief Guests enlightened the gathering on a multitude of topics.

Dr. Gowramma Paruvangada spoke about her long-standing commitment to serve women from rural parts of the country and her willingness to contribute more to the society at large. Dr Fathima Kariappa reminisced about how the babies she helped deliver were today doctors at the very Lopamudra Hospitals. She also emphasized the importance of women empowerment in today’s society and the role of family as an institution. Uzma Jabeen highlighted various government schemes available for women and how they could avail the benefits by contacting her.

The event was a sequel to a ‘Women’s Health Camp’ that saw more than 100 women availing the benefits of a health package curated to check overall well-being of women.

On the event of International Women’s Day, the hospital unveiled its new logo and a toll-free number for quick response. The hospital can now be reached at 1800 8333653. They also inaugurated the B Scan recently installed at the eye hospital. The B Scan is the first to be installed in Kodagu district. It can be used to assess the posterior segment of the eye in cases of media opacities and can be useful in cases of advanced cataracts

Dr Ruth Adhlaka, a Consultant Physician at the hospital, gave the vote of thanks, acknowledging the importance of such events and the hospital’s commitment to serving and empowering women.

www.lopamudrahospitals.com

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source: http://www.theprint.in / The Print / Home> ANI Press Release / by ANI PR-News Reach / March 09th, 2023

The food we eat: Indian power foods from sattu to millets

Every part of our country has traditional ‘power foods’ that are simple, healthy and practical. Maize, bajra, jowar, dozens of varieties of millets and many more of rice.

Varagu Millet Tomato Pulao. Many of India's ‘power foods’ like bajra, jowar, maize and several varieties of millets are easier to cultivate than rice or wheat. (Photo courtesy Shradha Saraf)
Varagu Millet Tomato Pulao. Many of India’s ‘power foods’ like bajra, jowar, maize and several varieties of millets are easier to cultivate than rice or wheat. (Photo courtesy Shradha Saraf)

Having visited Bihar after many years, I was on my way to Patna airport to catch the return flight to Bangalore. Like most Biharis the driver was a talker, and a good one. After depleting our views on the political scene in the country and Bihar in particular, we were still two hours from Patna. Murari asked if I had eaten.

“No.”

“Aap Litti kayenge?”

“Hahn, kayenge.”

Litti roasted over hot coals on a chill morning in January is a treat not to be missed. It is like a wheat bun filled with a sattu, onion and jeera stuffing and traditionally eaten with a favourful tomato-rich baigan bartha cooked in mustard oil. We finished off with adrak ki chai and re-joined the commotion on the road. The hearty breakfast for two cost Rs 60.

The car sped forward and my thoughts lingered in reverse gear, dwelling on the years I spent as a surgeon in a busy mission hospital in Mokama, a hundred kilometers from Patna. In the post-operative phase after any abdominal surgery when a patient asked, “Can I eat sattu?” you knew he was on his way to recovery.

In Bihar sattu (roasted and powdered channa) is considered essential to wellbeing. It is vital for all Biharis; for those who have lived and worked there too it is a thumbs-up favorite. I used to drink sattu instead of the mid-morning tea during my years there. It is high in protein, easily digested and has a cooling effect in summer months. Patient-attenders always bring dry sattu for their use. Mixed with water and some salt, and eaten with green chillis and raw onion, it is also a convenience-food that can be carried on long journeys.

Every part of our country has traditional ‘power foods’ that are simple, healthy and practical. Maizebajrajowar, dozens of varieties of millets and many more of rice. However, our palates have got used to the monotonous taste of white rice and chappatis made from polished wheat. Their blandness demands highly spiced gravies thick with grease. Much worse are the maida-based snacks, breads, buns and sugary or deep-fried foods. Maida is refined wheat flour with all its nutrients removed, providing only the calories. It should not have a place in any kitchen cupboard or should be purchased only if necessary, for occasional use. In my childhood days it was popularly known as ‘Merkin Podi’ meaning ‘American Powder.’

Healthy eating is now increasingly common among upper class but upper class is only a small fraction in a country of 140 crore people. Most Indians cannot afford the luxury of eating the right foods. They are the daily-wage-earning labour in factories, construction, agriculture, domestic and hotel work; vendors, autorickshaw and bus drivers; the safai karmacharis, well- diggers, potters, plumbers, cowherds; their old and their young. Their main concerns regarding food are the cost of food, appeasement of hunger, cooking time and expense, and taste.

Until the early 1990s, an average family was satisfied with grains, pulses and locally grown vegetables, with meat, eggs, milk and fruit used sparingly. In my career I have seen how those who ate the most basic but natural food rarely suffered from heart disease, diabetes, obesity or high blood pressure. These diseases affected those who could eat processed foods with their high content of sugar, salt, fat and chemical preservatives –  namely the privileged classes.

With globalization, the floodgates of consumerism were opened and cheap, heavily processed food became affordable. It satisfied on all counts – Good to taste, economical, satiating and without the hassles or the expense of cooking. Result: A staggering number of our citizens belonging to all social strata began to suffer from the above ailments, plus others like recurring stomach disorders, reduced fertility, dental caries, anaemia and in children the attention deficit hyperactivity disorder or ADHD.

It is disturbing to acknowledge that our country is in the grip of a huge nutritional dilemma. India’s future will be shaped as much by the health of our people as by education, job availability and a more just distribution of wealth.

Every problem comes with a remedy. Here are some which will go a long way in ensuring good health for all our citizens.

As it is with most problems, one must go to the basics.

Many of the ‘power foods’ like bajra, jowar, maize and several varieties of millets (the pearl, the finger and the foxtail millet, to name a few) are easier to cultivate than rice or wheat. They need little water. It is possible to harvest two crops a year and in the intervening months, vegetables can be grown in the fields, thus promoting crop rotation. We should be replacing rice and wheat cultivation with these grains in a nationwide project. Rice and wheat can be grown in judiciously chosen water catchment areas. Thus, we can conserve millions of tonnes of water every year and bring remarkable improvement in the nutritional status countrywide. Children will have stronger bones, teeth and muscle and will no longer suffer from anaemia.

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KAVERY NAMBISAN is an Indian surgeon and author of books like The Scent of Pepper, A Luxury Called Health: A Doctor’s Journey Through The Art, and Cherry Red, Cherry Black. Views expressed are personal.

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source: http://www.moneycontrol.com / Money Control / Home> News> Health & Fitness / by Kaveri Nambisan / March 05th, 2023

In coffee estates, wasp to fight mealybug pests in Kodagu district

The parasitoid can be released across estates during the summer months, which is the breeding time of the mealybugs.

coffee

Madikeri :

Coffee plantations are prone to several diseases and the attack from mealybug pests is among the major reasons for crop loss across estates. However, the Coffee Research Sub Station (CRSS) in Chettalli of Kodagu district has come up with a unique and organic way to fight this pest. Leptomastix Dactylopii, a parasitoid, has been developed at the station that will be effective in culling the mealybugs in the most ecofriendly way. “Mealybugs are major pests affecting coffee and they cause considerable crop loss,” explained Dr Manjunath Reddy, Entomologist at CRSS.

Ovalshaped, soft-bodied insects, the mealybugs are a threat to the pepper vines and other fruit trees in the estates too. The bugs breed during summer and cause immense damage to the crops during monsoon. “The bugs are covered with white mealy wax, making it tough to eradicate them.

Leptomastix Dactylopii (left); File photo of a
mealybug-infested coffee plant

They suck a large amount of sap from leaves and stems with the help of piercing mouthparts, depriving plants of essential nutrients,” he explained. There has been an increased buildup of the mealybugs in the estates and the wild in recent times and Dr Manjunath analysed that this might be due to the abiotic changes in climate and environment. While there are a few chemical sprays to fight the mealybugs, they have been proven ineffective as these bugs infest the estates during the monsoon. However, the CRSS has come up with the most organic way to fight these bugs.

The substation has reared Leptomastix Dactylopii, a parasitoid that attacks and hunts mealybugs. “Female parasitoids lay eggs on the third instar (a lifecycle stage) and young adult mealybugs. A single parasitoid emerges from one mealybug. The parasitoid larvae eat the mealybug from the inside out. After 20-30 days, a young adult parasitoid emerges through a hole on the top-end of the dead mealybug,” he detailed.

A female parasitoid lays 300- 400 eggs,which develop into adult parasitoids in 20-30 days. These adult parasitoids have a lifespan of 2-3 weeks. The Leptomastix Dactylopii can be left in coffee estates that suffer from mealybug infestation and 1,000 Leptomastix Dactylopii are required to be released per acre of estate.

The parasitoid can be released across estates during the summer months, which is the breeding time of the mealybugs. The parasitoids are available at the entomology department at the CRSS in Chettalli and they are priced at Rs 250 per 1,000 parasitoids. This method is seen as the most economical and organic way to fight the mealybugs that infest both Robusta and Arabica varieties of coffee plants.

source: http://www.newindianexpress.com / The New Indian Express / Home> Cities> Bengaluru / by Prajna GR / Express News Service / January 25th, 2023