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Green synthesis of silver nanoparticles by Trichoderma harzianum and their bio-efficacy evaluation against Staphylococcus aureus and Klebsiella pneumonia
Abstract Silver nanoparticles were successfully synthesized from agriculturally beneficial fungus Trichoderma harzianum through a simple green and eco-friendly route using cell filtrate. The silver… Expand
Controlled release formulations of metribuzin: Release kinetics in water and soil
- J. Kumar, K. Nisar, N. A. Shakil, S. Walia, R. Parsad
- Environmental Science, Chemistry
- Journal of environmental science and health. Part…
- 14 April 2010
Controlled release (CR) formulations of metribuzin in Polyvinyl chloride [(PVC) (emulsion)], carboxy methyl cellulose (CMC), and carboxy methyl cellulose-kaolinite composite (CMC-KAO), are reported.… Expand
An efficient method for the purification and characterization of nematicidal azadirachtins A, B, and H, using MPLC and ESIMS.
- V. Sharma, S. Walia, J. Kumar, M. Nair, B. Parmar
- Chemistry, Medicine
- Journal of agricultural and food chemistry
- 31 May 2003
Azadirachtin A enriched concentrate containing 60% active ingredient (a.i.) was prepared from the methanolic extract of the de-fatted neem (Azadirachta indica A. Juss) seed kernels. Azadirachtins A,… Expand
Structure-biological activity relationships in triterpenic saponins: the relative activity of protobassic acid and its derivatives against plant pathogenic fungi.
BACKGROUND Triterpenic saponins from Sapindus mukorossi Gaertn. and Diploknema butyracea JF Gmelin were evaluated for in vitro antifungal activity against four phytopathogenic fungi. The study of the… Expand
Development of Poly(ethylene glycol) Based Amphiphilic Copolymers for Controlled Release Delivery of Carbofuran
The formation of micelles in a solvent that is selective for one of the blocks is one of the most important and useful properties of block copolymers. We had synthesized copolymers of polyethylene… Expand
Nematicidal prenylated flavanones from Phyllanthus niruri.
- N. A. Shakil, Pankaj, J. Kumar, R. Pandey, D. B. Saxena
- Biology, Medicine
- 1 February 2008
Two prenylated flavanones have been isolated from the hexane extract of Phyllanthus niruri plant. The structure of these flavanones were established as 8-(3-Methyl-but-2-enyl)-2-phenyl chroman-4-one… Expand
Chemical analysis of essential oils of Eupatorium adenophorum and their antimicrobial, antioxidant and phytotoxic properties
- V. Ahluwalia, R. Sisodia, S. Walia, O. P. Sati, J. Kumar, A. Kundu
- Journal of Pest Science
- 1 June 2014
Essential oils from inflorescences and roots of Eupatorium adenophorum Spreng (Asteraceae) have been investigated for their antimicrobial, phytotoxic and antioxidant activities. Based on GC–MS, the… Expand
Comparative evaluation of two Trichoderma harzianum strains for major secondary metabolite production and antifungal activity
- V. Ahluwalia, J. Kumar, V. Rana, O. P. Sati, S. Walia
- Biology, Medicine
- Natural product research
- 19 May 2015
This investigation was undertaken to identify the major secondary metabolite, produced by two Trichoderma harzianum strains (T-4 and T-5) with their antifungal activity against phytopathogenic fungi… Expand
Physicochemical and Chemical Variation in Neem Oils and Some Bioactivity Leads against Spodoptera litura F.
Forty-two neem ecotypes of India have been found to show a wide variation in the content of oil, and their physicochemical characteristics (color, specific gravity, refractive index, iodine value,… Expand
Stabilization of azadirachtin A in neem formulations: effect of some solid carriers, neem oil, and stabilizers.
Formulation of azadirachtin A on attapulgite, kaolinite, fuller's earth, hydrated calcium silicate, and fly ash revealed that it degraded to the tune of 70-95% on different solid carriers as compared… Expand