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A Strong Designated Verifiable DL Based Signcryption Scheme
Mohanty, Sujata,Majhi, Banshidhar Korea Information Processing Society 2012 Journal of information processing systems Vol.8 No.4
This paper presents a strong designated verifiable signcryption scheme, in which a message is signcrypted by a signcryptor and only a specific receiver, who called a "designated verifier", verifies it using his own secret key. The scheme is secure, as an adversary can not verify the signature even if the secret key of the signer is compromised or leaked. The security of the proposed scheme lies in the complexity of solving two computationally hard problems, namely, the Discrete Logarithm Problem (DLP) and the Integer Factorization Problem (IFP). The security analysis of the scheme has been done and it is proved that, the proposed scheme can withstand an adaptive chosen ciphertext attack. This scheme can be very useful in organizations where there is a need to send confidential documents to a specific recipient. This scheme can also be applicable to real life scenarios, such as, e-commerce applications, e-banking and e-voting.
Fluctuations in global surface scaling behavior in sputter-deposited ZnO thin films
Mohanty, B. C.,Choi, H. R.,Cho, Y. S. Editions de Physique 2011 Europhysics letters Vol.93 No.2
<P>Quantitative analysis of the roughness scaling behavior, which is critical in understanding the evolution of surface microstructure, is reported for ZnO thin films grown by RF magnetron sputtering. The strong dependence of global and local growth parameters on the applied RF powers can be highlighted as a unique observation, which has not been available from the typical super-rough scaling studies. For example, the global growth exponent increased from 0.53± 0.02 at 75 W to 1.03± 0.01 at 200 W. The observed dominant anisotropic growth of crystallites at high powers is believed to be the main reason for the power-dependent roughening behavior.</P>
Mohanty, B.,Kitazumi, A.,Cheung, C.Y.M.,Lakshmanan, M.,de los Reyes, B.G.,Jang, I.C.,Lee, D.Y. Elsevier Scientific Publishers Ireland Ltd 2016 Plant science Vol.242 No.-
In this study, we have integrated a rice genome-scale metabolic network and the transcriptome of a drought-tolerant rice line, DK151, to identify the major transcriptional regulators involved in metabolic adjustments necessary for adaptation to drought. This was achieved by examining the differential expressions of transcription factors and metabolic genes in leaf, root and young panicle of rice plants subjected to drought stress during tillering, booting and panicle elongation stages. Critical transcription factors such as AP2/ERF, bZIP, MYB and NAC that control the important nodes in the gene regulatory pathway were identified through correlative analysis of the patterns of spatio-temporal expression and cis-element enrichment. We showed that many of the candidate transcription factors involved in metabolic adjustments were previously linked to phenotypic variation for drought tolerance. This approach represents the first attempt to integrate models of transcriptional regulation and metabolic pathways for the identification of candidate regulatory genes for targeted selection in rice breeding.
Mohanty, Aruna Kumar,Devaraju, Subramani,Kim, Nowon,Paik, Hyun-jong Elsevier 2018 Solid state ionics Vol.314 No.-
<P><B>Abstract</B></P> <P>A class of poly(ether sulfone) (FPES) block copolymers containing pendent quaternary ammonium (QA) and imidazolium (IM) groups were prepared as anion exchange membranes by reaction involving nucleophilic substitution, benzylic bromination, quaternization and anion exchange with hydroxide ions. Highly reactive hexafluorobenzene (HFB) was utilized as a linkage group for relatively low temperature (e.g., 105°C) coupling between hydrophobic and precursor hydrophilic oligomer blocks. The phase separated morphology, water uptake, swelling ratio, conductivity, and chemical stability of the resultant copolymer membranes were also investigated. The hydroxide conductivity of the ionomer membranes (IEC~2.0 mequiv./g) was 21–22mS/cm and 56–63mS/cm at 30°C and 80°C respectively. The FPES-IM membrane showed relatively very good dimensional integrity in high pH solution, whereas under the similar condition the FPES-QA membrane broke into pieces. However, the degradation of the imidazolium cations in FPES-IM was relatively faster in comparison to the ammonium cations in FPES-QA.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Anion exchange membranes were prepared using hexafluorobenzene as a linkage group. </LI> <LI> Quaternary ammonium has better alkaline stability than imidazolium cations. </LI> <LI> Block copolymer anion exchange membranes exhibited nano-phase separation in AFM. </LI> <LI> Good hydroxide ion conductivity up to 63mS/cm at 80°C was observed. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Mohanty, Bijayalaxmi,Takahashi, Hirokazu,de los Reyes, Benildo G.,Wijaya, Edward,Nakazono, Mikio,Lee, Dong-Yup Springer US 2016 Rice Vol.9 No.1
<P><B>Background</B></P><P>Rice is the only crop that germinates and elongates the coleoptile under complete submergence. It has been shown that <I>alcohol dehydrogenase 1 (ADH1)-</I>deficient mutant of rice with <I>reduced alcohol dehydrogenase activity</I> (<I>rad</I>) and reduced ATP level, is viable with much reduced coleoptile elongation under such condition. To understand the altered transcriptional regulatory mechanism of this mutant, we aimed to establish possible relationships between gene expression and <I>cis</I>-regulatory information content.</P><P><B>Findings</B></P><P>We performed promoter analysis of the publicly available differentially expressed genes in <I>ADH1</I> mutant. Our results revealed that a crosstalk between a number of key transcription factors (TFs) and different phytohormones altered transcriptional regulation leading to the survival of the mutant. Amongst the key TFs identified, we suggest potential involvement of MYB, bZIP, ARF and ERF as transcriptional activators and WRKY, ABI4 and MYC as transcriptional repressors of coleoptile elongation to maintain metabolite levels for the cell viability. Out of the repressors, WRKY TF is most likely playing a major role in the alteration of the physiological implications associated with the cell survival.</P><P><B>Conclusions</B></P><P>Overall, our analysis provides a possible transcriptional regulatory mechanism underlying the survival of the <I>rad</I> mutant under complete submergence in an energy crisis condition and develops hypotheses for further experimental validation.</P><P><B>Electronic supplementary material</B></P><P>The online version of this article (doi:10.1186/s12284-016-0124-3) contains supplementary material, which is available to authorized users.</P>
Utilization of graphene to attain sustainability in mine methodology: a review
Mohanty Anshuman 한국탄소학회 2023 Carbon Letters Vol.33 No.3
Nanofillers, by virtue of their minute size, when incorporated inside a matrix, have the capability to enhance the physical parameters of the complex matrix. Graphene, the wonder material of the twenty-first century, has established itself in the field of nanofillers. However, it still has yet to find its way into the mining industry. This review paper focuses on a novel way of attaining sustainability in mining methodology using graphene as a nanofiller. The implementations can be subdivided into three categories based on their impact—economic, environment, and safety. To achieve economic welfare in mine methodology; Graphene is used to enhance the productivity of machinery. Electric-Heavy Earth Moving Machinery using LiFePO4/Graphene hybrid cathode battery is not only an ideal replacement to fossil-powered vehicles considering the contribution of environmental strain but also a more-efficient model than Electric-Heavy Earth Moving Machinery using conventional Lithium Ion Phosphate Battery batteries. Heavy Earth Moving Machinery having tires of Styrene-Butadiene Rubber/Graphene composite would have better efficacy and longer life cycle than the conventional ones. Graphene derivative Magnetic Graphene Oxide is used to achieve environmental welfare by its implication as an additive in the effluent treatment plant for its capability of removing heavy metal ions and negative-strain bacteria from the mine water. To improve the safety standards of the mine workers, graphene and its derivatives have environmental implications to constitute a safer surrounding concerning precarious situations due to the unpredictable behavior of geomaterials. Graphene can assist in constituting a more economical and reliable slope model as incorporating graphene induces restructuration and improvement in strength parameters. This enables a miner to extract more minerals in tranquility from the resources as there is an increase in compaction and shear strength. A combination of a graphene sheet and auxetic graphene foam can be placed over the blast holes to not only restrict the trajectory of the fly rocks but also attenuate some part of the explosive energy. The objective of this coagulation is to upgrade the traditional practice by replacing the conventional products, and the effect is observed in the form of achieving sustainability in the mine.