7 publications
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Screening of Phytochemicals and Antibacterial Potential of Dicranopteris linearis (Burm.f.) Underw.By J. Vijayakumari, T. Leon Stephan Raj
Abstract: The present study deals with screening of phytochemical and antibacterial potential of terrestrial fern Dicranopteris linearis (Burm.f.) Underw. collected from Marthandam region of Kanyakumari district of Tamil Nadu, India. The fresh plant material was collected and shade dried for a week and powdered. The powdered material was subjected to gradient extraction with Soxhlet apparatus with two different solvents (acetone and chloroform) and screened for its phytochemical and antibacterial potential. Phytochemical …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 10, Issue 3, 2020 · pp. 1–5 Read article →
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A Comparative Study of Plant Mediated Synthesis of Silver, Copper and Zinc Nanoparticles from Tiliacora acuminata (lam.) Hook. F. and Their Antibacterial Activity StudiesBy Vijayakumari J, T. Leon Stephan Raj, A. Antony Selvi, Raja Glenna, P. Raja
Abstract: Green synthesis of nanoparticles is becoming more and more popular due to its compensation over physical or chemical methods. This research was carried out to the synthesis of nanoparticles employing three different metals (silver nitrate, copper and zinc sulphate) using Tiliacora acuminata (family: Menispermaceae) fruit powder. The synthesized nanoparticles were characterized through the UV-Vis Spectrophotometer, FT-IR and X-Ray Diffraction studies. The antibacterial activity of nanoparticles was studied against disease causing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 72–83 Read article →
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Green Synthesis of Silver Nanoparticles Using Murraya koenigii Leaf Extract and Their Antibacterial PotentialBy T. Leon Stephan Raj, J. Vijayakumari, S. Kavitha
Abstract: The eco-friendly and green synthesis of silver nanoparticles (AgNPs) was done by using the extract of young leaves of medicinally important plant Murraya koenigii (Curry Leaves). This method was very simple and rapid multiplication. The green synthesized silver nanoparticles were characterized by FTIR and X-ray diffraction (XRD). To identify the compounds responsible for reduction of silver ions, the functional groups present in plant extract were investigated by FTIR analysis and …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 76–81 Read article →
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EVALUATION OF ANTIBACTERIAL POTENTIAL OF BARLERIA NITIDA NEESBy R. Pramely, T. Leon Stephan Raj, L. Henry Joseph
Abstract: AbstractPlants are gift of nature and used as medicine in traditional medicinal system since thousands of years ago. In this study, the antibacterial potential of various solvent extracts of aerial and underground parts of Barleria nitida Nees was evaluated against eight selected human pathogens. The pathogens used in this study were Escherichia coli, Klebsiella pneumoniae, Enterobacter aerogenes, Pseudomonas aeruginosa, Proteus mirabilis, Enterococcus faecalis, Bacillus cereus and Staphylococcus aureus. The shade …
Published in Research & Reviews : Journal of Herbal Science · Vol. 7, Issue 2, 2018 · pp. 1–3 Read article →
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Documentation of Traditional Medicine Used by the People of Periyammalpuram Village Tirunelveli District, Tamil Nadu, South IndiaBy T. Leon Stephan Raj
Abstract: AbstractA survey of traditional medicinal plants was carried out to collect the information about the medicinal plants found in Periyammalpuram village Tirunelveli district, Tamil Nadu, South India. The results of the study revealed that the use of 71 species distributed in 37 families which were commonly used by local traditional healers for the treatment of many types of ailments. The present study explored that the herbal medicines have the hidden …
Published in Research & Reviews : Journal of Herbal Science · Vol. 7, Issue 1, 2018 · pp. 8–12 Read article →
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Effect of Weedicide Pendimethalin on Growth Performance and Biochemical Contents of Zea mays L.By T. Leon Stephan Raj
Abstract: India is the second most popular countries in the world. The necessity of food is increased day by day due to the rapid increases of population. Many farmers used varieties of chemical fertilizers, pesticides and weedicides to increase the yield of the crop plants. The chemical fertilizers not only increase the yield of the crop plants but also affect the ecosystem of the earth. In the present study the effect …
Published in Research & Reviews : Journal of Botany · Vol. 7, Issue 1, 2018 · pp. 22–26 Read article →
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Preliminary Phytochemical and Pharmacognostical Investigation of Barleria buxifolia L.By T. Leon Stephan Raj, L. Henry Joseph, R. Pramely
Abstract: AbstractDuring the past several decades, traditional systems of medicines have become a topic of global relevance. Current estimate suggests that in many underdeveloped countries, a large proportion of the population rely heavily on traditional practitioners and local herbals to meet the primary health care needs. Under these circumstances, only a few plants of medicinal value have been successfully evaluated for their medicinal applications. Safety and efficacy data are available only …
Published in Research & Reviews : Journal of Botany · Vol. 6, Issue 1, 2017 · pp. 17–20 Read article →