P.K. Kaleena

• Presidency College

The indiscriminate use of synthetic insecticides for mosquito control has resulted in significant challenges, such as environmental pollution and growing insecticide resistance. In response, there is increasing interest in eco-friendly alternatives like plant-based larvicides. This study assesses the larvicidal efficacy of Chloris virgate (Poales:...

Marvels of Artificial and Computational Intelligence in Life Sciences is a primer for scholars and students who are interested in the applications of artificial intelligence (AI) and computational intelligence (CI) in life sciences and other industries. The book consists of 16 chapters (9 of which focus on AI and 7 of which showcase the benefits of...

Ganoderma lucidum (G. lucidum) is a medicinal mushroom, which is rich in flavonoids as well as polyphenols and contains triterpenes, ganoderic acid. Thus, this research examined the biosynthesis of gold nanoparticles (GNPs) using G. lucidum fruit body and their cytotoxicity, cell morphology and apoptosis detection against HT-29 colon cancer cell li...

Medicinal plants constitute an important natural wealth of a country. They play a significant role in providing primary health care services to rural people and serve as therapeutic agents as well as important raw materials for the manufacturing of traditional and modern medicine. Medicinal plants are rich sources of antimicrobial agents. The plant...

The frequent use of systemic insecticides to manage insect pests leads to a destabilisation of ecosystem and enhanced resistance to insecticides and pests suggesting a clear need for alternatives. In addition, increasing documentation of negative environmental and health impact of synthetic insecticides and increasingly stringent environmental regu...

Vector-borne diseases are one of the utmost contributors to human mortality and morbidity in the tropical and subtropical regions. Vector control remains the most effective measure and is often the only way to prevent disease outbreaks as there are no vaccines for many vector-borne diseases. Owing to their quick action, chemically synthetic insecti...

Mosquitoes are vectors for many diseases, causing millions of death every year throughout the world. This necessitates the implementation of new methods to control and prevent mosquito-borne diseases and to improve public health. The use of biopesticides have increased because of their high insecticidal properties and eco-friendly nature. The aim o...

Vermicomposting is an environmentally and economically friendly process to decompose organic waste. India’s agro-industrial sector contributes huge resources of plant materials in the form of compost. In this study, 50% of vermicompost was compared with plant growth enhancers on the exo-morphological features of C. annum. A significant plant growth...

The traditional knowledge on plants when confirmed by phytochemical, antioxidant and anticancer studies can lead to the development of drugs and plant-based medicine. The plant selected for the present study Imperata cylindrica is a rhizomatous grass used for various ailments by traditional healers. The present study aims at phytochemical profiling...

In the present study core – shell Nanoparticles (Co@SiO2) were prepared by modified stober method (0.5 ml and 1 ml concentration) at room temperature. Direct use of bare magnetic material create new issues, bio compatibility and toxic nature are the major drawbacks in in-vivo application, so a magnetic material need to be coated with a suitable she...

Objective: Millingtonia hortensis Linn (Bignoniaceae) is commonly known as cork tree and Akash neem. Aim of studies to determine the antioxidant activity and antibacterial activity.Methods: The antioxidant activity of different solvent extracts were measured by chemical analyses involving the assay of 1,1-diphenyl-2-picryhydrazyl (DPPH) radical sca...

The present study deals with the green synthesis of silver nanoparticle from the aqueous leaf extracts of Leucas aspera and Hyptis suaveolens as reducing agent and to investigate the larvicidal activity of synthesized silver nanoparticles. The synthesized silver nanoparticles were characterized by Ultraviolet and visible absorption spectroscopy (UV...

p>The present study explores the growth promoting effects of vermiwash and panchagavya on Dolichus lablab . Vermiwash was obtained from the vermicomposting unit and panchagavya was prepared using cow products such as milk, curd, urine, ghee and dung. Different concentrations of vermiwash and panchagavya (5:2%, 10:3% and 15:4%) were applied to the b...

Vector control is facing a threat due to the emergence of resistance to synthetic insecticides. Insecticides of plant origin my serve as an alternative biocontrol technique in the future. The aim of the present study was to evaluate the larvicidal activity of fractions and compounds from the whole-plant methanol extracts of Leucas aspera on the fou...

The mosquitocidal activity of aqueous, ethanol, methanol, chloroform and petroleum ether plant extracts of Leucas aspera against Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus were analyzed. The larval mortality of fourth instar larvae of Ae. aegypti, An. stephensi and Cx. quinquefasciatus after 24 h and 48 h of treatment were observ...

Biosynthesis of silver nanoparticles was achieved by novel simple green chemistry procedure using Achyranthes aspera leaf extract as a reducing and a capping agent. The present study focuses on larvicidal activity of synthesized silver nanoparticles (AgNPs) against Culex quinquefasciatus, Aedes aegypti and Anopheles stephensi. Range of concentratio...

Silver nanoparticles (AgNPs) were successfully synthesised from aqueous silver nitrate using the extracts of Arachis hypogaea peels. The synthesised SNPs were characterized by Fourier transform-infrared spectroscopy analysis, X-ray diffraction, transmission electron microscopy analysis and high-resonance scanning electron microscopy, and energy dis...

The present study reveals the efficiency of Andrographis echioides for green synthesis of silver nanoparticles (AgNPs). The leaf aqueous extract of A. echioides was used for the synthesis of AgNPs and they were characterized by UV-visible, High Resonance Scanning Electron Microscope (HRSEM), Energy-Dispersive X-ray Spectroscopy (EDX), Atomic Force...

Objective: To assess the larvicidal activity of titanium dioxide nanoparticles (TiO 2NPS) synthesized from the root aqueous extract of Morinda citrifolia (M. citrifolia) against the larvae of Anopheles stephensi (An. stephensi), Aedes aegypti (Ae. aegypti) and Culex quinquefasciatus (Cx. quinquefasciatus). Methods: The M. citrifolia broth solution...

Microbe mediated synthesis of silver nanoparticles (AgNPs) constitutes a reliable, eco-friendly approach ameliorating green-chemistry principles. In this study, stable silver nanoparticles were synthesized by exposing aqueous silver ions to extracellular exudates of B. subtilis A1 under optimized laboratory conditions. The synthesized nanoparticles...

Secondary metabolites of plant extracts are effective to maintain the health status of the living organisms, mainly on the digestive system of animals. Coccinia grandis is a source of nutrient with abundance of effective microorganisms to digest the consumed foods on one hand and improve the health status of consumer on the other hand. With this ba...

Phytochemicals represent a rich resource for the discovery of novel pesticides that are effective, cheap and environmentally safe. The main targeted mosquito vectors Aedes aegypti and Anopheles stephensi cause serious human diseases. The chloroform, acetone, ethanol, methanol and aqueous peel extracts of Arachis hypogaea were studied for its larvic...

The actinomycetes have the ability to produce secondary metabolites. The biosynthesis of silver nanoparticles using terrestrial actinomycete Saccharopolyspora erythraea is the first and novel report ever reported. Although actinomycetes are well known for its antibiotic production, it is less exploited in terms of usage for nanoparticles. The silve...

The present study deals with cost effective and environment friendly green synthesis of silver nanoparticle from the aqueous aerial extract of Ammannia baccifera as reducing agent and to investigate the larvicidal activity of synthesized Silver nanoparticles. UV–vis absorption spectroscopy was used to monitor the quantitative formation of silver na...

Objective To analyze the larvicidal effect of the aerial extracts of Ammannia baccifera on two important mosquito species, Aedes aegypti and Culex quinquefasciatus.Methods The larval mortality of fourth instar larvae of A. aegypti and C. quinquefasciatus after 24h and 48h of treatment were observed separately in control 50, 100, 150, 200, 250, 300,...

In the present study the herb, Sansevieria roxburghiana was selected to evaluate its antioxidant properties of methanol, acetone and ethyl acetate extracts of leaves using DPPH and NO radical scavenging activity method which showed a significant percentage of inhibition in a dose dependent manner with BHT (butylated hydroxytoluene) as a standard re...

The aim of the study was to investigate the antibacterial activity of chromatographically separated pure fractions of leaves of Sansevieria roxburghiana and to screen the phytochemical compounds by GC-MS method. Two fractions out of the three showed pronounced activity at 1mg/ml against gram positive and gram negative bacterias responsible for vari...

Aldose reductase (AR) is an enzyme associated with retinopathy of both type 1 and type 2 diabetic patients. AR is inhibited by giving chemical drugs to prevent diabetic retinopathy, but is associated with deleterious side effects. Compounds isolated from plants are safer than chemical drugs and have a lot of potential. In the present study, three c...