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Vinod Kumar Malik,Manjeet Singh,Karambir Singh Hooda,Naresh Kumar Yadav,Prashant Kumar Chauhan 한국식물병리학회 2018 Plant Pathology Journal Vol.34 No.2
Maize (Zea mays L.; 2N=20) is major staple food crop grown worldwide adapted to several biotic and abiotic stresses. Maydis leaf blight (MLB) and banded leaf and sheath blight (BLSB) are serious foliar fungal diseases may cause up to 40% and 100% grain yield loss, respectively. The present studies were undertaken to work out the efficacy of chemicals, botanicals and bioagents for the management of MLB and BLSB under field condition for two seasons Kharif 2014 and 2015. Five molecules (propiconazole 25 EC, hexaconazole 25 EC, carbendazim 50 WP, mancozeb 75 WP and carbedazim 12 WP + mancozeb 63 WP), two bioagents i.e. Trichoderma harzianum and T. viridae and three botanicals namely azadirachtin, sarpagandha and bel pathar were tested for their efficacy against MLB. Eight newer fungicides viz., difenconazole 250 SC, hexaconazole 5 EC, carbendazim 50WP, validamycin 3 L, tebuconazole 250 EC, trifloxystrobin 50 WG + tebuconazole 50 WG, azoxystrobin 250 EC and pencycuron 250 SC were evaluated against BLSB. Analysis revealed significant effects of propiconazole at 0.1%, carbendazim 12 WP + mancozeb 63 WP at 0.125% and sarpagandha leaves at 10% against MLB pathogen, whereas validamycin at 0.1% and trifloxystrobin 25 WG + tebuconazole 50 WG at 0.05% were found effective against BLSB. The slow rate of disease control virtually by the bioagents might have not shown instant effect on plant response to the yield enhancing components. The identified sources of management can be used further in strengthening the plant protection in maize against MLB and BLSB.
Recycling of printed circuit boards (PCBs) to generate enriched rare metal concentrate
Vinod Kumar,이재천,정진기,Manis Kumar Jha,김병수,Ratnakar Singh 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
An eco-friendly process for recycling obsolete PCBs to get enriched rare-metal concentrate usingphysical separation technique is discussed. Metal concentration in digital video disc (DVD) PCBs is43 wt.% whereas in vacuum cleaner (VC) PCBs 30 wt.% with rare metal of 2.8%. Concentrate grade of88% total metals including 5.85% rare metals in-case of DVD-PCBs while 90% of total metalsincluding 2.81% rare metals in-case of VC-PCBs was achieved by froth flotation. While 75% totalmetals including 9.41% rare metals for DVD-PCBs and 65% total metals including 5.10% rare metalsfor VC-PCBs was obtained by pneumatic separation.
Vinod Kumar Gupta,Shilpi Agarwal,Inderjeet Tyagi,Maryam Sohrabi,Ali Fakhri,Sahar Rashidi,Nima Sadeghi 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.41 No.-
Carbon nanofibers have been synthesized by simple facile microwave-assisted hydrothermal route andapplied as adsorbent for the fast adsorption of methamphetamine. The topological property of CNF wasanalyzed using XRD, SEM, TEM, and nitrogen adsorption–desorption instrumental techniques. Thesignificance of the independent variables and their interactions were tested by the analysis of variance(ANOVA) and t-test statistics. Influential parameters are optimized using BBD implemented with RSM,and the optimized value of pH, adsorbent dose and temperature was found to be 8.0, 0.1 g and 298 K,respectively. Under optimal conditions, the removal efficiency of methamphetamine was found to be55.25 mg/g.
Vinod Kumar Gupta,Gaurav Sharma,Deepak Pathania,N.C. Kothiyal 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
A pectin zirconium (IV) selenotungstophosphate (Pc/ZSWP) nanocomposite was prepared via sol–gelmethod. The material was characterized using different techniques such as FTIR, SEM and TEM. Theadsorptional/photocatalytic activity of Pc/ZSWP was investigated for the removal of methylene blue andmalachite green dyes in two different conditions. It was revealed that the synergistic adsorptional/photocatalytic degradation of dyes was more efficient than mere adsorption in dark followed byphotocatalysis. The photocatalytic degradation percentage of MB and MG dyes onto Pc/ZSWPnanocomposite was found out to be 89.21 and 79.27% in 3 h of photo irradiation which is higherthan for adsorption in dark followed by photocatalysis. The antimicrobial activity of Pc/ZSWP was alsoascertained against Escherichia coli.
Seven spices of India—from kitchen to clinic
Vinod Kumar 한국식품연구원 2020 Journal of Ethnic Foods Vol.7 No.-
Spices play a vital role in Indian cuisine since long time. These are the some of the most valuable items of domestic as well as industrial kitchens. The role of spices is to increase the palatability and used as a flavoring, coloring, and preservative agents. Rather than cooking spices is the part of many industry like medical, cosmetic, pharmaceutical and perfumery, and many more. In the current, study explores the role of spices in kitchen as well in medical industry as it acts as anti-proliferative, anti-hypercholesterolemia, anti-diabetic, and anti-inflammatory effects on human health. Spices also help to curing many diseases like diabetes, cardiovascular diseases, arthritis cancer, and AIDS. This review outlines the role of some spices used in the Indian kitchen for its flavor and taste which are potential to maintain a healthy heart.
Vinod Kumar,Rajat Kumar,Deepa Rawat,Manisha Nanda 한국응용생명화학회 2018 Applied Biological Chemistry (Appl Biol Chem) Vol.61 No.1
Microalgae have emerged as a potential alternative for the production of many useful compounds like protein, carbohydrate and lipid. Lipid-rich microalgae are important and rich source for alternative energy production. In order to commercially utilize microalgae for energy production, the lipid productivity should be enhanced. Keeping in view the above-mentioned potentials of microalgae, in the present study, we have attempted to display the role of chemical stimulants and light in the growth and lipid production of the microalgae Chlorella singularis (UUIND5). During the present investigations, effect of varying photoperiods and different types of lights and chemical stimulants, viz. CaCl2 and kinetin on growth rate and lipid production, was studied. The maximum growth rate recorded was 166 ± 0.3 mg/L/d, when 0.80 g/l CaCl2 and 0.5 mg/l kinetin were added to Bold’s basal medium. C. singularis was then cultivated in this medium for 14 days under sunlight ?LED (10-h sunlight ? 14-h LED light) at photoperiod 24-h light/0-h dark. The maximum lipid yield 30.2% of dry wt. was obtained under sunlight ?LED. Further, the gas chromatography analysis also showed the presence of fatty acid methyl esters (FAME). FAMEs profile was analyzed according to ASTM D6751 specification. Thus, it was concluded that sunlight ?LED at 24-h light/0-h dark (100 lmol photons m-2 s-1) photoperiod with CaCl2 and kinetin is an effective strategy to boost lipid productivity in C. singularis (UUIND5).
Vinod Kumar,Satyendra Nath Sharma 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.3
The assessment of genetic diversity is a primary concern of plant breeders and germplasm curators for which morphological traits are internationally accepted descriptors but are often associated with limitations due to G x E interactions. Phenotypic, ISSR, and SSR markers were employed to determine the genetic diversity and relationships among 20 commercially cultivated sesame genotypes representing different geographical regions of India. A narrow range of genetic dissimilarity (0.01 - 0.12) with mixed clustering was observed using morphological descriptors. A total 279 band positions with 57% polymorphism was amplified by ISSR primers,whereas 36 allelic positions with 73% polymorphism were produced by SSR primers with 100% reproducibility. The ISSR primers with high discrimination power were identified producing genotype-specific bands and distinguishing all the sesame genotypes used in this study. A poor correlation and lack of perfect congruence between phenotypes and marker-based analysis was indicated by the UPGMA dendrogram and PCA analysis. Our results suggest that SSR and ISSR markers provide a powerful tool for genotype identification and establishment of genetic relationships among sesame genotypes. We recommend the use of molecular markers for testing,required for obtaining intellectual property rights, and also for the analysis of genotypic diversity among sesame varieties.
Vinod Kumar Gupta,Shilpi Agarwal,Asim Olgun,Halil I brahim Demir,Mehmet Lutfi Yola,Necip Atar 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.34 No.-
In this study, the removal of cationic dyes, Basic Red 46 (BR46) and Basic Blue 41 (BB41), from aqueoussolution using boron enrichment waste (BW) and molasses modified boron enrichment waste (MBW)based nanoclays was presented in a batch system and fixed-bed column system. The effects of pH,contact time, initial solution concentration, adsorbent dosage, temperature of batch operation on theuptake of both dyes were investigated. The adsorption data were further performed on the basis ofkinetic and isotherm models. According to the results, the dye removal capacity of MBW was higher thanthat of BW. The studies demonstrated that the adsorption patterns occurred according to Langmuirisotherm model and pseudo-second-order kinetic model. The adsorption of two dyes is spontaneous andexothermic in nature. Breakthrough curves obtained from fixed-bed column tests showed that columnadsorption capacities provided strong evidence of the potential of the nanoclay for the technologicalapplications of the basic dyes removal from aqueous solutions.