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Search Results: 1 - 10 of 2237 matches for " Anil Meena "
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Biological Activities of Some Transition Metal Complexes Derived from Floral Fragrances
Rajesh Kumar Yadav,Anil Kumar Bansal,Meena Nayar,Megha Bansal
Biomirror , 2012,
Abstract: Transition metal complexes containing a tridentate N, S, and O donorligand i.e. 3,7-dimethyl-7-hydroxyoctane thiosemicarbazone(DHOTSC) have been synthesized and characterized by elementalanalysis, molar conductance, magnetic susceptibility measurementsand various spectral studies. The ligand DHOTSC acts as ML type complexes M = Cu(II), Ni(II), Cu(II), Zn(II), Cd(II) and Hg(II), L = DHOTSC. The ligand DHOTSC acts as tridentate ligand in allcomplexes. The N, S and O atoms of ligand are involved in coordinationto metal ion. All the newly synthesized metal complexes aswell as the ligand were screened for their antifungal and antibacterial activity. The activities of the complexes are stronger than those of ligand DHOTSC itself.
Effect of Sulphur and Zinc on Rice Performance and Nutrient Dynamics in Plants and Soil of Indo Gangetic Plains
Anil Kumar Singh,Manibhushan Manibhushan,M. K. Meena,Ashutosh Upadhyaya
Journal of Agricultural Science , 2012, DOI: 10.5539/jas.v4n11p162
Abstract: Rice is the staple food of more than three billion people in the world, most of who live in Asia.Rice is important crop of Indo Gangetic Plains of Bihar, productivity of system is stagnate and somewhere going down, to ascertain the role of sulphur and zinc an experiment was conducted at main campus of ICAR Research Complex of Eastern Region Patna with four levels of both nutrients i.e. sulphur and zinc, total 16 treatments were tested in Randomized Block Design. Both the nutrients were applied to rice and their direct and residual response was ascertained to rice and lentil in sequence. Based on three years of experimentation, results revealed that rice plant height is significantly affected by sulphur and zinc. Tallest plant (101.7cm) was recorded at maturity with application 6kg Zn application Zn. With the advance of stage dry matter accumulation was increased, it was not like the LAI which was decreased after Panicle initiation stage. Highest LAI (4.29) at anthesis was produced in the plots treated with Zn at 6 kg/ha. Dry matter share of root was in general less than 15% across the levels of sulphur and zinc during all the phenological stages. Maximum rice yield (7.63 t/ha) was recorded with combined application of 30kg sulphur and 6kg zinc, whereas corresponding minimum rice yield (7.09 t/ha) was recorded with absolute control plots where no application of zinc and sulphur was done during entire experimentation period.Maximum (281.2 kg/ha) nitrogen uptake was recorded with 6kg zinc treatment. However highest uptake of P (91.1 kg/ha) and K (150.4 kg/ha) was recorded in the plot supplemented with no Zn and sulphur at 40 kg/ha, respectively. Soil parameters viz., pH, EC and organic carbon content did not influenced with the S and Zn. N, P, K, S and Znwere affected significantly due to sulphur and zinc nutrition.
Studies on the Biology and Predatory Potential of Harmonia dimidiata, a Major Predator of Aphis pomi De Geer on Apple Host in India  [PDF]
Meena Kumari
Advances in Entomology (AE) , 2018, DOI: 10.4236/ae.2018.62013
Abstract: Observations were made on young nursery plants and apple orchards to record the coccinellid predators of Aphis pomi De Geer on apple plants in Himachal Pradesh which is main apple growing state of India. Nine species of lady bird beetles were observed feeding on green apple aphid, Aphis pomi De Geer on the apple nursery plants of Mashobra locality of Shimla district and Ner Chowk locality of Mandi district of Himachal Pradesh, India. On the basis of general observations, it was found that the larvae of beetle Harmonia dimidiata (F.), are very active to feed on the nymphs of green apple aphid. Therefore, it was considered worthwhile to investigate the biology and feeding potential of this beetle on green apple aphid from biological control point of view.
A Genome-Wide Screen Indicates Correlation between Differentiation and Expression of Metabolism Related Genes
Priti Roy, Brijesh Kumar, Akhilesh Shende, Anupama Singh, Anil Meena, Ritika Ghosal, Madhav Ranganathan, Amitabha Bandyopadhyay
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0063670
Abstract: Differentiated tissues may be considered as materials with distinct properties. The differentiation program of a given tissue ensures that it acquires material properties commensurate with its function. It may be hypothesized that some of these properties are acquired through production of tissue-specific metabolites synthesized by metabolic enzymes. To establish correlation between metabolism and organogenesis we have carried out a genome-wide expression study of metabolism related genes by RNA in-situ hybridization. 23% of the metabolism related genes studied are expressed in a tissue-restricted but not tissue-exclusive manner. We have conducted the screen on whole mount chicken (Gallus gallus) embryos from four distinct developmental stages to correlate dynamic changes in expression patterns of metabolic enzymes with spatio-temporally unique developmental events. Our data strongly suggests that unique combinations of metabolism related genes, and not specific metabolic pathways, are upregulated during differentiation. Further, expression of metabolism related genes in well established signaling centers that regulate different aspects of morphogenesis indicates developmental roles of some of the metabolism related genes. The database of tissue-restricted expression patterns of metabolism related genes, generated in this study, should serve as a resource for systematic identification of these genes with tissue-specific functions during development. Finally, comprehensive understanding of differentiation is not possible unless the downstream genes of a differentiation cascade are identified. We propose, metabolic enzymes constitute a significant portion of these downstream target genes. Thus our study should help elucidate different aspects of tissue differentiation.
Controlling structural distortion in the geometrically frustrated layered cobaltate YBaCo4O7+δ by Fe substitution and its role on magnetic correlations
A. K. Bera,S. M. Yusuf,S. S. Meena,Chanchal Sow,P. S. Anil Kumar,S. Banerjee
Physics , 2015, DOI: 10.1088/2053-1591/2/2/026102
Abstract: Effects of Fe-substitution on the crystal structure and magnetic correlations of the geometrically frustrated antiferromagnets YBaCo4-xFexO7+{\delta} (x = 0, 0.2, 0.4, 0.5, 0.6, and 0.8) have been studied by neutron diffraction, M\"ossbauer spectroscopy, and ac susceptibility. The compounds YBaCo4-xFexO7+{\delta} have a special layered-type crystal structure with an alternating Kagom\'e (6c site) and triangular (2a site) layers along the c axis. Fe3+ ions are found to be substituted at both the crystallographic 2a and 6c sites of Co ions. M\"ossbauer results show a high spin state of Fe3+ ions in a tetrahedral coordination. A reduction in the distortion of the Kagom\'e lattice has been observed with the Fe-substitution. The correlation length of the short-range antiferromagnetic ordering decreases with the Fe-substitution. The sharpness of the magnetic transition also decreases with the Fe-substitution.
Disaster Recovery of Data by Using Data Guard
International Journal of Computer Science and Management Studies , 2012,
Abstract: Oracle Data Guard is the management, monitoring, and automation software infrastructure that creates, maintains, and monitors one or more standby databases to protect enterprise data from failures, disasters, errors, and data corruptions. Data Guard maintains standby databases as consistent copies of the production database as far as transactions are concerned. These standby databases can be located at remote disaster recovery sites thousands of miles away from the production data center, or they may be located in the same city, same campus, or even in the same building. If the production database becomes unavailable because of a planned or an unplanned outage, Data Guard can switch any standby database to the production role, thus minimizing the downtime associated with the outage, andpreventing any data loss. The document explains the structure of a physical standby database with Oracle Data Guard in an SAP environment. It indicates all the steps needed to successfully install and configure an Oracle Data Guard system with a physical standby database and the logical order in which they must be carried out. To enable you to operate the standby database (Oracle DataGuard), a description of how to configure the Data Guard Brokeris also provided. In just a few steps this service allows you toswap the database roles. This means that in the event of a disaster,what is known as a switchover or failover is undertaken almostautomatically. The database administrator can initiate the processwith just one command.
Detection of Blood Traces in Human Pericardial Fluid Using Microwaves  [PDF]
Anil Lonappan
Journal of Electromagnetic Analysis and Applications (JEMAA) , 2010, DOI: 10.4236/jemaa.2010.210077
Abstract: This communication reports a novel method of analyzing pericardial fluid and finding blood traces present based on the measurement of the dielectric properties at microwave frequencies. The experiment was performed by cavity perturbation method in the S-band of microwave frequency with the pericardial fluid from healthy persons as well as from patients suffering from pericardial bleeding. It is noted that considerable variation in the dielectric properties of patient samples with the normal healthy samples and these measurements were in good agreement with clinical analysis. This measurement technique and the method of extraction of pericardial fluid are simple and both are non invasive. These results give light to an alternative in-vitro method of diagnosing onset pericardial bleeding abnormalities using microwaves without surgical procedure.
Novel Method of Detecting Pregnancy Using Microwaves  [PDF]
Anil Lonappan
Journal of Electromagnetic Analysis and Applications (JEMAA) , 2012, DOI: 10.4236/jemaa.2012.48047
Abstract: This paper reports a study of the dielectric properties of pregnant women’s blood samples as well non-pregnant women’s blood samples at microwave frequencies. The cavity perturbation technique in the frequency range between 2 and 3 GHz was used in this study. It is observed that the dielectric constant of pregnant women’s blood samples is higher than that of non-pregnant women’s blood samples, and the conductivity of pregnant women’s blood samples is higher than that of non-pregnant women’s blood samples. This is a novel in-vitro method of determining pregnancy. The same samples were also subjected to investigations in the clinical laboratory for quantitative pregnancy blood tests. Determination of pregnancy will help the woman to make preparations for proper prenatal care or family planning.
Novel method of detecting H1N1 using microwaves  [PDF]
Anil Lonappan
Journal of Biomedical Science and Engineering (JBiSE) , 2012, DOI: 10.4236/jbise.2012.58060
Abstract: H1N1 virus is a subtype of influenza A virus and was the most common cause of human influenza flu in 2009. This paper presents a new method of detecting H1N1. The dielectric properties respiratory mucus is studied at microwave frequencies using rectangular cavity perturbation technique at the S-band with the different samples of respiratory mucus obtained from healthy donors as well as from patients suffering from H1N1. It is observed that an appreciably variation is found in the dielectric properties of patient samples as that of normal healthy samples and this measurements were in good agreement with the clinical analysis. This measurement technique is quick, simple and suggests a new novel method of diagnosing H1N1 using microwaves.
Novel Method of Detecting Thyroid Disfunction Using Microwaves  [PDF]
Anil Lonappan
Journal of Electromagnetic Analysis and Applications (JEMAA) , 2012, DOI: 10.4236/jemaa.2012.45029
Abstract: This paper reports a novel method of in-vitro thyroid function analysis based on the measurement of the dielectric properties of blood at microwave frequencies. The measurements were made using rectangular cavity perturbation technique at the S-band of microwave frequency with the different samples obtained from healthy donors as well as from patients. It is observed that an appreciably change in the dielectric properties of patient samples with that of nor-mal healthy samples and this measurements are in good agreement with clinical analysis. These results indicate an al-ternative in-vitro method of diagnosing thyroid abnormalities using microwaves.
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