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Om Prakash Narayan,Nidhi Kumari,Lai Chand Rai 한국미생물 · 생명공학회 2011 Journal of microbiology and biotechnology Vol.21 No.2
This study provides first-hand proteomic data on the survival strategy of Anabaena sp. PCC 7120 when subjected to long-term iron-starvation conditions. 2D-gel electrophoresis followed by MALDI-TOF/MS analysis of iron-deficient Anabaena revealed significant and reproducible alterations in ten proteins, of which six are associated with photosynthesis and respiration, three with the antioxidative defense system, and the last, hypothetical protein all1861, conceivably connected with iron homeostasis. Iron-starved Anabaena registered a reduction in growth, photosynthetic pigments, PSI, PSII, whole-chain electron transport, carbon and nitrogen fixation, and ATP and NADPH content. The kinetics of hypothetical protein all1861 expression, with no change in expression until day 3, maximum expression on the 7th day, and a decline in expression from the 15th day onward, coupled with in silico analysis, suggested its role in iron sequestration and homeostasis. Interestingly, the up-regulated FBP-aldolase, Mn/Fe-SOD, and all1861 all appear to assist the survival of Anabeana subjected to iron-starvation conditions. Furthermore, the N2-fixation capabilities of the iron-starved Anabaena encourage us to recommend its application as a biofertilizer, particularly in iron-limited paddy soils.
Om Prakash Chauhan,Deepak Singh,Vishal Joshi,Garima Singh,Rajendra Kumar Sharma 경남대학교 수학교육과 2018 Nonlinear Functional Analysis and Applications Vol.23 No.4
In this article, we define the notion of a non-negative function satisfying property of oneness. Utilizing this concept, certain unified fixed point results are established. Furthermore generalized φ-contractions mapping and some fixed point results in the framework of symmetric space are also presented. Some well-known results from the existence literature are obtained through our introduced setting. Results are substantiated by some innovative examples with the aid of visualization of surfaces. Moreover applications of obtained theory for the existence for the system of integral equations as well as for the system of functional equations occurred in dynamic programming are also presented.
Om Ahuja,Nisha Bohra,Asena Cetinkaya,Sushil Kumar 경북대학교 자연과학대학 수학과 2021 Kyungpook mathematical journal Vol.61 No.1
In this paper, we introduce new classes of post-quantum or (p, q)-starlike and convex functions with respect to symmetric points associated with a cardiod-shaped domain. We obtain (p, q)-Fekete-Szeg¨o inequalities for functions in these classes. We also obtain estimates of initial (p, q)-logarithmic coefficients. In addition, we get q-Bieberbachde-Branges type inequalities for the special case of our classes when p = 1. Moreover, we also discuss some special cases of the obtained results.
Key management for blockchain technology
Om Pal,Bashir Alam,Vinay Thakur,Surendra Singh 한국통신학회 2021 ICT Express Vol.7 No.1
Public Key Infrastructure (PKI) is used in Blockchain Technology to authenticate the entities and to ensure the integrity of the blockchain. Proper Protection of Bitcoin wallet is required for private keys, seeds and keys stored in external hardware in Blockchain infrastructure. In this paper, overview of Blockchain, analysis of existing PKI for Blockchain and key management for Blockchain wallet are discussed. To achieve the confidentiality of sensitive records over the Blockchain network, a Group Key Management scheme for secure group communication is also proposed.
Chlorella vulgaris May Excrete Dioxin-like PCB-138, -153 via Urine of Rats
Om, Ae-Son,Shin, Hye-Seoung,Shim, Jae-Young,Han, Jae-Gab,Kim, Jae-Hyoun The Korean Society of Toxicogenomics and Toxicopro 2009 Molecular & cellular toxicology Vol.5 No.1
The effect of Chlorella vulgaris (CV) on the urinary excretion of di-ortho PCB congeners (PCB-138, -153) was investigated. Sprague-Dawley rats (6-weeks-old, n=10 rats/group) were randomly divided into one control (0CV) or 2% CV (2CV) or 5% CV (5CV) or 10% CV (10CV) groups, respectively. Composition of normal and chlorella meal-based diet were made up of 30% casein, 15% cornstarch, 50% sucrose, 5% cellulose, 5% coconut oil, 3.5% mineral mixture, 1 % vitamin mixture. All rats had free access to water and diet for 4 weeks. A significant increase in both PCB 138 and 153 in urinary level was detected in CV fed groups, 540% and 167% for 2CV, 155% and 89% for 5CV, 114% and 144% for 10CV group, respectively, when compared with their controls. These findings suggest that CV may have potential to eliminate body burden levels of dioxin-like PCB compounds.
औचित्य का कावत्व : स्वरूप, सन्दर्भ और समस्याएँ
????? ?????(Om Nath Bimali) 한국외국어대학교 인도연구소 2016 남아시아연구 Vol.21 No.3
Auchitya as the soul of poetry: it"s references and problems. The question as to what constitutes the idea of poetry evokes the emergence of certain notions in our mind. All those notions are somehow or the other related to poetry. The said notions can be seen as the poetical elements. Those notions play different rules and contribute something or the other, thus helping a certain linguistic expression received the persona of poetry. But among all those poetical elements what is that element whose presence enables a linguistic expression to be designated as poetry and whose absence debars it from being a case of poetry, irrespective of the presence of other poetic elements? What is the very essence of poetry? What is it to be a case of poetry? What is the soul of poetry? This has all along remained the most significant question in the history of literary criticism in India. A mere glance into the tradition would reveal the fact that the Indian savants of literary art, have delved very deep into these questions. In fact their engagement with this very question was so intensive, so expensive, so full and so fertile that this paved the way for emergence and development of Indian science of literary criticism. One of the six schools fundamentally differed from others when it comes to the idea of the soul of the overall phenomenon called ‘Poetry’. Unlike other schools, the present school did not see a particular, traditionally perceptible poetic element constituting the idea of poetry. Rather, the appropriate synthesis of all poetic elements on the part of the poet constitutes the idea of Poetry. This theory is known as the theory of “Auchitya” and its propounder was a 10<SUP>th</SUP> or 11<SUP>th</SUP> Century critique ‘Kshemendra’. This article aims at critically examine the theory, its historicity and the problems it brings. This paper also sums up the modern contributions on this poetic notion.