- Kolhapur, Maharashtra, India
Ravishankar Patil
Shivaji University, Kolhapur, India, Biotechnology, Graduate Student
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The present study was aimed to investigate brilliant green (BG) dye sorption onto soybean straw biochar (SSB) prepared at 800 °C and further understanding the sorption mechanism. Sorption kinetic models such as pseudo-first and... more
The present study was aimed to investigate brilliant green (BG) dye sorption onto soybean straw biochar (SSB) prepared at 800 °C and further understanding the sorption mechanism. Sorption kinetic models such as pseudo-first and pseudo-second order were executed for demonstrating sorption mechanism between the dye and biochar. Results of kinetics study were fitted well to pseudo-second-order kinetic model ( R 2 0.997) indicating that the reaction followed chemisorption mechanism. Furthermore, the effect of various parameters like sorbent dose, dye concentration, incubation time, pH and temperature on dye sorption was also studied. The maximum dye removal percentage and sorption capacity for SSB (800 °C) within 60 min were found to be 99.73% and 73.50 mg g − 1 , respectively, at pH 8 and 60 °C temperature, whereas adsorption isotherm studies showed a higher correlation coefficient values for Freundlich model ( R 2 0.990–0.996) followed by Langmuir model suggesting that sorption process was multilayer. The characterization of biomass and biochar was performed with the aid of analytical techniques like scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), Brunauer–Emmett–Teller (BET) theory, X-ray diffraction (XRD) and thermo-gravimetric analysis (TGA). FTIR analysis showed active groups on biochar surface. BET study revealed higher surface area of biochar (194.7 m 2 /g) than the biomass (12.84 m 2 /g). Besides, phyto- and cytogenotoxic studies revealed significant decrease in the toxicity of dye containing water after treating with SSB. Therefore, this study has proved the sorption potential of soybean straw biochar for BG dye and could be further considered as sustainable cost-effective strategy for treating the textile dye-contaminated wastewater.
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Research Interests: Biology and Agriculture
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Background: Bacterial pathogens are considered as predominant cause of human diseases throughout the world. Until recently, antibiotics were considered as promising agents against most bacterial pathogens but recent reports suggest that... more
Background: Bacterial pathogens are considered as predominant cause of human diseases throughout the world. Until recently, antibiotics were considered as promising agents against most bacterial pathogens but recent reports suggest that there is growing resistance to commonly used antibiotics creating a global healthcare problem. Aim and Objectives: To investigate the synergistic antibacterial potential of three different antibiotics including Vancomycin, Clindamycin and Cefotaxime with three popular Indian spices namely Cinnamomum zeylanicum (Dalchini), Trachysparmum ammi (Ova) and Syzygium aromaticum (Clove) against human pathogens Staphylococcus aureus , Enterococcus faecalis, Escherichia coli and Klebsiella pneumoniae. Material and Methods: Fourier-transform Infrared (FTIR) spectroscopy analysis was performed to detect molecular changes occurring while synergistic exposure of antibiotics and spices on pathogenic microbes. The addition of spices extracts showed enhanced activity ...
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The textile effluent is a mixture of toxic synthetic recalcitrant dyes and is considered as a leading cause of environmental pollution. Hence, the release of untreated or partially treated textile wastewater drastically affects aquatic... more
The textile effluent is a mixture of toxic synthetic recalcitrant dyes and is considered as a leading cause of environmental pollution. Hence, the release of untreated or partially treated textile wastewater drastically affects aquatic and terrestrial ecosystems. Several eco-friendly strategies are being developed for the effective management of environmental contamination happening due to textile wastewater. Among the different strategies, the use of microorganisms, plants, and their consortia is ascertaining to be an auspicious technique for degradation of hazardous textile dyes. In the present book chapter, we have reviewed the major toxic textile dyes being used in the textile industries with their acute and chronic adverse health effects. Furthermore, special attention is given to the recent advances in the management of textile effluent using biological consortia with respect to dye biodegradation, their microbial community interaction, and its impact on dye degradation.
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Mucuna sanjappae seeds are conventionally used as food and medicine in the Western Ghats of India. It possesses good nutritional value with higher level of anti-Parkinson’s drug L-DOPA (10.81 g/100g). But, presence of anti-nutritional... more
Mucuna sanjappae seeds are conventionally used as food and medicine in the Western Ghats of India. It possesses good nutritional value with higher level of anti-Parkinson’s drug L-DOPA (10.81 g/100g). But, presence of anti-nutritional compounds hardens its preferential use as a food of choice. In the present study, the effect of various commonly used processing methods (soaking, autoclaving, roasting, soaking plus autoclaving and soaking plus roasting) on L-DOPA, nutritional, anti-nutritional factors, antioxidant activity (2,2-diphenyl-1-picrylhydrazyl and ferric reducing/antioxidant power assay) and anti-inflammatory activity was determined. RP-HPLC analysis of processed MS beans showed significant reduction of L-DOPA (p
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Research Interests: Chemistry and Antioxidant
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Genus Mucuna which is native to China and Eastern India comprises of perennial climbing legume with long slender branches, trifoliate leaves and bear green or brown pod covered with soft or rigid hairs that cause intense irritation. The... more
Genus Mucuna which is native to China and Eastern India comprises of perennial climbing legume with long slender branches, trifoliate leaves and bear green or brown pod covered with soft or rigid hairs that cause intense irritation. The plants of this genus are agronomically and economically important and commercially cultivated in India, China and other regions of the world. The high degrees of taxonomical confusions exist in Mucuna species that make authentic identification and classification difficult. In the present study, the genetic diversity among the 59 accessions of six species and three varieties of M. pruriens has been assessed using DNA fingerprinting based molecular markers techniques namely randomly amplified polymorphic DNA (RAPD), inter simple sequence repeats (ISSR) and combined dataset of RAPD and ISSR. Also, genetic relationship among two endemic species of Mucuna namely M. imbricata and M. macrocarpa and two varieties namely IIHR hybrid (MHR) and Dhanwantari (MD)...