Dr. Chandrakar's research focuses on how different substances and techniques can help plants thrive in challenging conditions, such as high levels of arsenic or fluoride in the soil. By using innovative materials like carbon dots and silver nanoparticles, she explores how these nanomaterials can enhance plant growth and reduce damage from toxic elements. Additionally, she studies how natural compounds, such as salicylic acid and nitric oxide, can improve the ability of plants to cope with stressors like salt in the environment. This research is particularly useful for farmers and agricultural scientists, enabling them to cultivate healthier crops and develop strategies for better yield in contaminated or adverse conditions.
Key findings
The new system for detecting and recognizing text from signs in India achieved 96.17% accuracy in identifying scripts and 92.5% accuracy in reading words.
When applying carbon dots to chickpeas exposed to arsenic, plant growth improved significantly, showcasing enhanced defense mechanisms and reduced arsenic absorption.
Studies on silver nanoparticles revealed a marked improvement in pigeon pea plant growth, reducing oxidative stress caused by fluoride exposure, thereby enhancing crop viability.
Using salicylic acid and nitric oxide together led to improved root growth and plant health in salty conditions, demonstrating a synergistic effect.
The extraction method for proteins from Shorea robusta increased identifiable proteins to 144 spots, while also reducing contaminants by 77-95%, crucial for deeper plant biology studies.
Frequently asked questions
Does Dr. Chandrakar study how to help plants grow in contaminated soil?
Yes, Dr. Chandrakar's research includes methods to reduce the harmful effects of contaminants like arsenic and fluoride on crops.
What treatments has Dr. Chandrakar researched for plant stress?
She has researched several treatments including carbon dots, silver nanoparticles, and natural compounds like salicylic acid and nitric oxide to help plants respond to environmental stressors.
Is Dr. Chandrakar's work relevant to farmers dealing with salt in soils?
Absolutely, her studies show how to improve crop resilience in salty environments, benefiting farmers struggling with soil salinity.
How does her research contribute to agricultural science?
Her findings on nanomaterials and natural remedies provide innovative solutions for enhancing crop growth and productivity in challenging conditions.
What are carbon dots, and how do they help crops?
Carbon dots are small nanomaterials that can improve plant defenses against toxins, such as arsenic, allowing for healthier crop growth.
Publications in plain English
Integrated framework utilizing scene text detection and recognition techniques for enhancing point of interest extraction from name boards in all Indic languages.
2026
Scientific reports
Kashyap AK, Upadhya M, Panwar VS, Chandrakar V
Plain English This study aimed to improve how computers recognize and understand text from images of signs in India, which can be in various languages and scripts. The researchers created a new system that identified parts of the images where text appears, detected what the text said, and classified the language. They achieved impressive results with 96.17% accuracy in recognizing scripts, 92.5% accuracy in reading words, and 33% precision in finding specific information (like addresses) in the images, which is better than earlier systems.
Who this helps: This benefits businesses and services using mobile mapping for better data collection and analysis, such as delivery companies and navigation apps.
A study on different methods to change the Rayleigh number in the analysis of heat transfer.
2025
Scientific reports
Chandrakar V, Bhattad A, Samal P, Senapati JR, Kashyap AK
Plain English This study looked at different ways to adjust a measurement called the Rayleigh number, which helps analyze heat transfer in natural convection. Researchers found that changing the force of gravity can significantly affect the Rayleigh number, and they showed that this method gives results similar to changing the size of the system being studied. This matters because it provides engineers with more flexibility in how they conduct their calculations, potentially making their work easier and more efficient.
Who this helps: This helps engineers and researchers working in fields related to heat transfer.
Carbon dot induces tolerance to arsenic by regulating arsenic uptake, reactive oxygen species detoxification and defense-related gene expression in Cicer arietinum L.
2020
Plant physiology and biochemistry : PPB
Chandrakar V, Yadu B, Korram J, Satnami ML, Dubey A +2 more
Plain English This study looked at how carbon dots (C-dots), a type of nanomaterial, can help reduce the harmful effects of arsenic on chickpeas (Cicer arietinum L.). The researchers found that when arsenic was present, seed growth and germination dropped significantly. However, when C-dots were applied alongside arsenic, they improved growth and reduced damage by enhancing the plant's defense systems, leading to less arsenic being absorbed and lower levels of harmful compounds in the plants.
Who this helps: This research benefits farmers and agricultural scientists looking for ways to grow crops in areas affected by arsenic contamination.
Silver nanoparticle modulates gene expressions, glyoxalase system and oxidative stress markers in fluoride stressed Cajanus cajan L.
2018
Journal of hazardous materials
Yadu B, Chandrakar V, Korram J, Satnami ML, Kumar M +1 more
Plain English This study looked at how silver nanoparticles (tiny particles made of silver) can help reduce damage caused by fluoride in pigeon pea plants. When exposed to fluoride, these plants showed poor growth and more signs of stress, but adding silver nanoparticles improved their growth and reduced stress markers. This is important because it shows that silver nanoparticles could help protect certain crops from fluoride damage, which can be a common problem in agriculture.
Who this helps: Farmers and agricultural scientists.
Arsenic-induced genotoxic responses and their amelioration by diphenylene iodonium, 24-epibrassinolide and proline in Glycine max L.
2017
Plant physiology and biochemistry : PPB
Chandrakar V, Yadu B, Meena RK, Dubey A, Keshavkant S
Plain English This study looked at how arsenic, a toxic element found in soil and water, negatively affects the growth of soybean plants (Glycine max L.). Researchers tested three substances—diphenylene iodonium (DPI), 24-epibrassinolide (EBL), and proline (Pro)—to see if they could help reduce the harmful effects of arsenic. They found that all three treatments improved plant health, with proline being the most effective, helping to mitigate damage from arsenic exposure.
Who this helps: This research benefits farmers and agricultural scientists aiming to grow healthier crops in arsenic-contaminated soils.
Imperative roles of salicylic acid and nitric oxide in improving salinity tolerance inL.
2017
Physiology and molecular biology of plants : an international journal of functional plant biology
Yadu S, Dewangan TL, Chandrakar V, Keshavkant S
Plain English This study looked at how two substances, salicylic acid and nitric oxide, can help plants cope with salty conditions that can harm their growth. When seeds of a specific plant variety were exposed to salt, they showed signs of stress, but using salicylic acid and nitric oxide together improved their growth and reduced damage by lowering harmful compounds produced under stress. The researchers found that using both together was the most effective, leading to better root growth and healthier plants.
Who this helps: This benefits farmers and agricultural researchers looking to improve crop resilience in salty soils.
Efficient extraction of proteins from recalcitrant plant tissue for subsequent analysis by two-dimensional gel electrophoresis.
2015
Journal of separation science
Parkhey S, Chandrakar V, Naithani SC, Keshavkant S
Plain English This study focused on finding a better way to extract proteins from the leaves of the Shorea robusta tree, which is tough to do because of low protein levels and a lot of contaminants. Researchers tested four different extraction methods, and found that the organic solvent/phenol/sodium dodecyl sulfate method gave the best results, yielding the most protein (144 identifiable protein spots) while greatly reducing contaminants by 77-95%. This is important because it makes it easier to analyze the proteins in these plants, which could lead to better understanding of their biology and potential uses.
Who this helps: This benefits researchers studying plant biology and potential applications in agriculture or biotechnology.