<p>Shiv Nadar University is a comprehensive, multidisciplinary, research-focused, and student-centric University offering a full range of academic programs at the undergraduate, postgraduate and doctoral level. With state-of-the-art infrastructure, the University comprises of academic wings, sophisticated labs, international standard sports facilities, amphitheaters, auditorium, conference rooms and smart classrooms. The University&rsquo;s goal is to become internationally recognized for the quality of its research and creative endeavors and their applicability to improving quality of life, generating new insights and expanding the boundaries of human knowledge creativity. Committed to excellence in teaching, research and service, the University aims to serve the higher education needs of India and the world beyond.</p>

Shiv Nadar University

(SoNS) School of Natural Sciences

Deinococcus indicus strain DR1, a red-pigmented, arsenic- and radiation-resistant bacterium, was isolated from a water sample of the Dadri wetland, Uttar Pradesh, India. Here, we report a draft genome sequence of this strain, which may provide useful information regarding the genes and pathways involved in heavy-metal bioremediation. © 2017 Chauhan et al.

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Life Sciences

Fulltext

Genome Announcements

Draft genome sequence of Deinococcus indicus DR1, a novel strain isolated from a freshwater wetland

In India, the rice root knot nematode, Meloidogyne graminicola is the dominant species infecting rice-wheat cropping system due to its broad host range and ability of causing potential yield loss. It has become an emerging problem in the nurseries and upland rice. Second stage juveniles (J2s) penetrate the roots closely behind the root tip; migrate to vascular cylinder turning it into multinucleated giant cells, by endomitosis and cell hypertrophy characterized by hook shaped galls. In the present study, 33 direct seeded rice (DSR) genotypes of Asian rice (Oryza sativa) were evaluated for resistance against rice root-knot nematode, M. graminicola on the basis of root-knot index and multiplication factor. Out of the total 33 rice cvs, 6 cultivars had less than10 galls/ plant and of these, cv. NDR-97 exhibited a strong resistant response with least number of galls (1.5galls/plant) and remaining are moderately and highly susceptible. The most and least susceptible cultivars were selected for further histopathological and differential gene expression studies. © 2017, Nematological Society of India. All rights reserved.

Indian Journal of Nematology

Evaluation of resistance in direct seeded rice (Oryza sativa L.) against Meloidogyne graminicola

The sum of Wishart matrices has an important role in multiple-input multiple-output (MIMO) multiple access channel (MAC) and MIMO relay channel. In this paper, we present a new closed-form expression for the marginal density of one of the unordered eigenvalues of a sum of $K$ complex central Wishart matrices having covariance matrices proportional to the identity matrix. The expression is general and allows for any set of linear coefficients. The derived expression is used to obtain the ergodic sum-rate capacity for the MIMO-MAC and MIMO relay cases, both as closed-form expressions. We also present a very simple expression to approximate the sum of Wishart matrices by one equivalent Wishart matrix. The agreement between the exact eigenvalue distribution and numerical simulations is perfect, whereas for the approximate solution the difference is indistinguishable. © 1967-2012 IEEE.

Physics

IEEE Transactions on Vehicular Technology

On the Exact and Approximate Eigenvalue Distribution for Sum of Wishart Matrices

The reactivity of dichloro-(1,10-phenanthroline)gold(III) chloride towards sulfite has been studied spectrophotometrically in phen-phenH+ buffer medium in the temperature range of 288 K to 303 K. The reaction between [Au(phen)Cl2]+ and HSO3- in phen-phenH+ buffer medium shows 1:1 stoichiometry. The reaction exhibits first order dependence on [{Au(phen)Cl2}Cl] and less than unit order dependence on [HSO3-]. Phenanthroline has a retarding effect on the reaction rate. The variation in H+ concentration did not affect the rate of the reaction significantly. The reaction obeys the following rate expression.The pseudo-first order rate constant decreases with the increase in ionic strength, while the reaction rate increases with the decrease in dielectric constant of the medium. The reaction possibly involved a one step two electron transfer process to produce AuCl2- and SO42- as the reaction products of the respective reactants. A probable mechanism in conformity with the experimental observations has been suggested. The thermodynamic and the activation parameters were calculated with respect to the equilibrium step and the slow step of the reaction mechanism respectively. © 2017 Scientific Publishers.All rights reserved.

Chemistry

Journal of the Indian Chemical Society

Reactivity of dichloro-(1,10-phenanthroline) gold (III) chloride towards sulfite in phen-phenH+ buffer medium

SUMMARY Measles elimination goals have been adopted in a range of countries, sub-regions, and regions since the WHO declared an elimination goal by 2015 or 2020. All countries attempt to achieve and maintain high coverage through routine immunization programmes. This routine strategy, however, does not ensure the elimination goal of measles. Many developed countries, such as the United States, that have succeeded in interrupting measles transmission earlier, are now experiencing outbreaks with an increasing number of cases. Using a stochastic, age-structured model of measles vaccination dynamics, we explore and characterize the transient dynamics of measles susceptibility in the years following the implementation of routine vaccination at the herd immunity threshold. We demonstrate how a population could face risks of potentially large outbreaks even within few years of vaccination. We characterize different risk profiles depending on the incidence pattern in the years prior to vaccination. These results suggest that the classic critical vaccination threshold is necessary to achieve herd immunity, but not sufficient to prevent long periods of transient, super-critical dynamics. Our results suggest the need of future work for more careful monitoring of the impacts of current immunization programmes, and developing models that take into account more complicated vaccination strategies, demographic factors, and population movements. Copyright © Cambridge University Press 2016 Â.

Mathematics

Epidemiology and Infection

Age-specific mixing generates transient outbreak risk following critical-level vaccination

This paper describes completely the invariant subspaces of the operator of multiplication by a finite Blaschke factor on the Banach space BMOA of analytic functions with bounded mean oscillation on the unit circle in the complex plane. As a simple application, we describe by very elementary means, the invariant subspaces of the co-analytic Toeplitz operator TB on H1. In the simplest case when B(z) = z, the invariant subspaces of TB on H1 were described by fairly deep arguments until the appearance of an elementary proof by two of the authors (Sahni &amp; Singh). In recent times, the common invariant subspaces of the operators of multiplication by B2 and B3, first in the case of z2 and z3, and then for an arbitrary finite Blaschke B, have proved to be critical in the context of Nevanlinna-Pick type interpolation on H2. Thus, keeping in mind the importance of invariant subspaces, we also offer a characterization of the common invariant subspaces of these operators on BMOA. Our proofs are that much more technical. Again, as an application, we obtain the common invariant subspaces of TB2 and TB3 on the Hardy space H1. © 2017, University at Albany. All rights reserved.

New York Journal of Mathematics

Invariance under finite blaschke factors on BMOA

The interaction of phospholipids with the peripheral membrane proteins like spectrin is important not only to understand the various physiological functions of cells, but also to gain insight into the mechanism involved in the self-assembly of polymer-like long chain molecules at the soft surfaces and interfaces. The lipid head-group specificity of adsorption of spectrin to supported phopsholipid bilayer model membranes has been investigated using the X-ray reflectivity (XRR) technique. Model lipid bilayers composed of phosphatidylcholine (PC) and phosphatidylethanolamine (PE) head groups have been prepared on a soft polymer cushion and the XRR measurements have been carried out from the bilayers immersed in a water bath using high-energy synchrotron X-rays. Our results suggest that in PC-based membranes the spectrin chains form a uniform layer on top of the bilayer with their chains lying on the membrane surface, while in PE-based membranes with relatively smaller head groups, the spectrin chains are attached only through a few possible binding sites with the rest of the part projected out of the membrane surface. In addition, the reflectivity profiles reveal the penetration of spectrin polypeptide chains through the PE bilayer in its fluid phase. Pressure-area isotherm measurements on Langmuir monolayers also support similar observations on the adsorption of spectrin molecules to the membranes composed of PC and PE. The observed results were explained using a qualitative model based on the ion-mediated protein interaction in the PC-based membrane. © CopyrightEPLA, 2017.

Differential adsorption of a membrane skeletal protein, spectrin, in phospholipid membranes

<p>This work describes a simple wet chemical synthesis of iron oxide (Fe3O4) nanoparticles (NPs) capped with terephthalic acid (TA) and their application for the individual detection of Hg(II), Pb(II) and Cd(II) ions as well as simultaneous and selective detection of Hg(II), Pb(II) and Cd(II) ions by electrochemical approach. Terephthalic acid capped Fe3O4 NPs were first characterized by cyclic voltammetry (CV) using redox couples Fe(CN)63&nbsp;−/4&nbsp;−, thereafter square wave anodic stripping voltammetry (SWASV) was utilized for the detection of Hg(II), Pb(II) and Cd(II) ions. Optimization of experimental parameters such as deposition time, deposition potential and pH value of the electrolyte towards electrochemical detection of target heavy metal ions was also carried out in SWASV method. Under optimized experimental conditions limit of detection (LOD) values for individual analysis of Hg(II), Pb(II) and Cd(II) ions were found to be 0.1, 0.05&nbsp;μM and 0.01&nbsp;μM respectively, whereas the LOD values for the simultaneous analysis of Hg(II), Pb(II) and Cd(II) ions were found to be 0.3&nbsp;μM, 0.04&nbsp;μM and 0.2&nbsp;μM respectively. © 2017 Elsevier B.V.</p>

Journal of Electroanalytical Chemistry

Terephthalic acid capped iron oxide nanoparticles for sensitive electrochemical detection of heavy metal ions in water

This chapter explores the utility of cardanol as a potential feedstock for the synthesis of benzoxazine monomers and polymers. Cardanol is a renewable phenolic compound obtained from the plant Anacardium occidentale L. Commercially it is produced as cashew nut shell liquid (CNSL) as a byproduct of cashew nut processing. It is currently under exploration as a valuable phenolic reagent in benzoxazine monomers and polymers. Cardanol-based benzoxazines are attractive monomers due to their sustainable aspect, opportunities for solventless synthesis, and processing. To date, Cardanol monomers have primarily been utilized for adhesive and composite applications, but they are ideal candidates for a variety of other applications, which need further exploration. © 2017 Elsevier Inc. All rights reserved.

Advanced and Emerging Polybenzoxazine Science and Technology

Cardanol-Based Benzoxazines and Their Applications

Carbonyl-carbonyl n→πinteractions where a lone pair (n) of the oxygen atom of a carbonyl group is delocalized over the πorbital of a nearby carbonyl group have attracted a lot of attention in recent years due to their ability to affect the 3D structure of small molecules, polyesters, peptides, and proteins. In this paper, we report the discovery of a "reciprocal" carbonyl-carbonyl interaction with substantial back and forth n→πand π→πelectron delocalization between neighboring carbonyl groups. We have carried out experimental studies, analyses of crystallographic databases and theoretical calculations to show the presence of this interaction in both small molecules and proteins. In proteins, these interactions are primarily found in polyproline II (PPII) helices. As PPII are the most abundant secondary structures in unfolded proteins, we propose that these local interactions may have implications in protein folding. © 2017 The Author(s).