( Vol 30 , Issue 04 )
03 Apr 2026
( Vol 30 , Issue 03 )
31 Mar 2026
Research Journal of Chemistry and Environment (ISSN:0972-0626) is a monthly peer-reviewed scopus-indexed journal from 2007 to Present. The publisher of this journal is the Journal of International Congress of Chemistry and Environment. RJCE is committed to gathering and disseminating excellent research achievements. The journal welcomes all kind of research/review/abstract papers regarding Engineering subjects including Earth and Planetary Sciences, Environmental Science, Chemical Engineering, Agricultural and Biological Sciences, Renewable Energy, Biochemistry.
The present study evaluates the extraction efficiency, quantitative phytochemical composition, and in-vitro antioxidant potential of Nymphaea nouchali flower extracts obtained using solvents of varying polarity. The aqueous extract showed the highest extraction yield (5.86 g/100 g), followed by ethyl acetate (5.66 g/100 g) and acetone (5.41 g/100 g), whereas petroleum ether produced the lowest yield (1.41 g/100 g). Phytochemical analysis revealed maximum total phenolic content in ethanol (20.02 ± 0.08 mg GAE/g) and highest total flavonoid content in methanol (15.87 ± 0.08 mg QE/g). Antioxida
Read MoreIn the present study, a novel series of N-substituted 3,3a,4,5,6,7-hexahydro-2H-indazole derivatives bearing trifluoromethyl-substituted styryl and phenyl allylidene moieties were successfully designed, synthesized, and evaluated for their pharmacological potential. The synthetic strategy involved a three-step protocol comprising base-catalysed Claisen–Schmidt condensation, hydrazone-mediated cyclization, and selective N-acylation, affording the target derivatives in moderate to excellent yields. Structural elucidation of all synthesized compounds was accomplished using UV–Visible, FT-IR,
Read MoreEpoxy (EP) composites holding DOPO-based flame retardant (DD) and its metal complexes (Cu–DD and Zn–DD) were synthesized to improve flame retardancy. The flammability performance was measured using UL-94 and limiting oxygen index (LOI) tests. Pure EP exhibited poor flame resistance with a LOI of 18.2% and no UL-94 rating, whereas EP/Cu–DD and EP/Zn–DD attained LOI values of 29.0 and 29.4%, respectively, and V-0 ratings in UL-94 tests. SEM–EDX analysis confirmed homogeneous distribution of phosphorus, copper, and zinc within the epoxy matrix. Thermogravimetric analysis revealed that t
Read MoreThis study examines the air quality pattern by studying Air Quality Index (AQI) in Bengaluru Urban, a metropolitan city in India, using the data from the year September 2022 to May 2025. AQI levels are analysed across four urban regions – North, South, East and West and across residential and industrial areas using statistical data analysis and visualization techniques. The results highlights that industrial areas have consistently exhibiting very high AQI levels than residential areas, which indicating the dominant influence of industrial activity and traffic emissions. Further zone wise an
Read MoreThe study of fluoride in groundwater and soil has become a major concern of environmental and public health since high concentrations of fluoride lead to severe effects such as skeletal and dental fluorosis. This has called for proper formulation of timely, effective, sustainable and cheaper methods of remediating most affected sites. Bioremediation has been considered as one of the potential methods in the treatment of fluoride containing water through the natural potential of microorganisms, plants and enzymes to immobilize fluoride ions. This review offers an opportunity to discuss bioremed
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