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Phylogenetic analysis and biological characteristic tests of marine bacteria isolated from southern Ocean(Indian sector)water

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Acta Oceanologica sinica 2015年第8期34卷 73-82页

作者： GUPTA Pratibha BALAJI raju PARANI M CHANDRA T s sHUKLA P KUMAR Anil BANDOPADHYAY Rajib Department of Bio-Engineering Birla Institute of Technology Department of Genetic Engineering Kattankulathur Campus SRM University Microbiology and Genetics Laboratory Department of Biotechnology Indian Institute of Technology Madras Department of Microbiology Maharshi Dayanand University OssG Department National Centre for Antarctic and Ocean Research Ministry of Earth Sciences Government of India UGC Centre of Advanced study Department of Botany the University of Burdwan

Fifty-seven bacteria were isolated from southern Ocean （Indian sector） water samples which were collected from different latitude and longitude of the ocean. All the isolates were able to grow at 4℃, 20℃, 37℃ and tolerable NaCI concentration up to 13.5% （w/v）. 29 out of 57 isolates were identified using 16s rDNA amplification and the sequences were submitted to National Center for Biotechnology Information （NCBI）. All the isolates were classified by using Ribosomal Database Project （RDP） and found that isolates belongs to Proteobacteria and Bacteriodes. The average G＋C content was 56.4%. The isolates were screened for the presence of extracellular enzymes, viz. amylase, catalase, urease, esterase, lipase and protease. The disc diffusion method is used to screen antibiotic production by the isolates against four pathogenic bacteria, viz. salmonella typhimurium （NCIM 2501）, staphylococcus aureus （NCIM 2122）, Bacillus subtilis （NCIM 2193）, and Pseudomonas aeruginosa （NCIM 2036）. Nine out of 29 were found to be antibiotic producer.

关键词： southern Ocean marine bacteria 16s rDNA phylogenetic tree antibacterial

A novel estimation algorithm for torpedo tracking in undersea environment

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Journal of Central south University 2019年第3期26卷 673-683页

作者： D.v.A.N.RAvI KUMAR s.KOTEsWARA RAO K.PADMA raju Department of ECE GVPCEW Department of ECE KLEF Department of ECE JNT University

A novel estimation algorithm is introduced to handle the popular undersea problem called torpedo tracking with angle-only measurements with a better approach compared to the existing filters. The new algorithm produces a better estimate from the outputs produced by the traditional nonlinear approaches with the assistance of simple noise minimizers like maximum likelihood filter or any other algorithm which belongs to their family. The introduced method is extended to the higher version in two ways. The first approach extracts a better estimate and covariance by enhancing the count of the intermediate filters, while the second approach accepts more inputs so as to attain improved performance without enhancement of the intermediate filter count. The ideal choice of the placement of towed array sensors to improve the performance of the proposed method further is suggested as the one where the line of sight and the towed array are perpendicular. The results could get even better by moving the ownship in the direction of reducing range. All the results are verified in the MATLAB environment.

关键词： estimation algorithm torpedo tracking angle-only measurements line of sight maximum likelihood filter

structure, photocatalytic and antibacterial activity study of Meso porous Ni and s co-doped TiO2 nano material under visible light irradiation

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Chinese Journal of Chemical Engineering 2019年第7期27卷 1630-1641页

作者： K.v.Divya Lakshmi T.siva Rao J.swathi Padmaja I.Manga raju M.Ravi Kumar Department of Inorganic and Analytical Chemistry Andhra University

Undoped and Ni–s co-doped mesoporous TiO2 nano materials were synthesized by using sol–gel *** characteristic features of as prepared catalyst samples were investigated using various advanced spectroscopic and analytical *** characterization results of the samples revealed that all the samples exhibited anatase phase(XRD),decreasing band gap(2.68 ev)(Uv–vis-DRs),small particle size(9.2 nm)(TEM),high surface area(142.156 m^2·g^-1)(BET),particles with spherical shape and smooth morphology(sEM);there is a frequency shift observed for co-doped sample(FT-IR)and the elemental composition electronic states and position of the doped elements(Ni and s)in the TiO2 lattice analyzed by XPs and *** results supported the photocatalytic degradation of Bismarck Brown Red(BBR)achieved with in 110 min and also exhibited the antibacterial activity on staphylococcus aureus(MTCC-3160),Pseudomonas fluorescence(MTCC-1688)under visible light irradiation.

关键词： sol–gel Ni–s co-doped TiO2 Photocatalysis under visible light Degradation of Bismarck Brown Red Antibacterial activity

Automated Disassembly sequence Prediction for Industry 4.0 Using Enhanced Genetic Algorithm

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Computers, Materials & Continua 2021年第11期69卷 2531-2548页

作者： Anil Kumar Gulivindala M.v.A.raju Bahubalendruni R.Chandrasekar Ejaz Ahmed Mustufa Haider Abidi Abdulrahman Al-Ahmari Department of Mechanical Engineering Industrial Robotics and Manufacturing Automation LaboratoryNational Institute of TechnologyKariakal609609India Department of Computer science Engineering National Institute of TechnologyKariakal609609India Raytheon Chair for systems Engineering Advanced Manufacturing InstituteKing Saud UniversityRiyadh11421Saudi Arabia Industrial Engineering Department College of EngineeringKing Saud UniversityRiyadh11421Saudi Arabia

The evolution of Industry 4.0 made it essential to adopt the Internet of Things(IoT)and Cloud Computing(CC)technologies to perform activities in the new age of *** technologies enable collecting,storing,and retrieving essential information from the manufacturing *** collected at sites are shared with others where execution automatedly *** obtained information must be validated at manufacturing to avoid undesirable data losses during the de-manufacturing ***,information sharing from the assembly level at the manufacturing stage to disassembly at the product end-of-life state is a major *** current research validates the information optimally to offer a minimum set of activities to complete the disassembly *** optimal disassembly sequence plan(DsP)can possess valid information to organize the necessary actions in ***,finding an optimal DsP is complex because of its combinatorial *** genetic algorithm(GA)is a widely preferred artificial intelligence(AI)algorithm to obtain a near-optimal solution for the DsP *** converging nature at local optima is a limitation in the traditional *** study improvised the GA workability by integrating with the proposed priori crossover *** optimality function is defined to reduce disassembly effort by considering directional changes as *** enhanced GA method is tested on a real-time product to evaluate the *** obtained results reveal that diversity control depends on the operators employed in the disassembly *** proposed method’s solution can be stored in the cloud and shared through IoT devices for effective resource allocation and disassembly for maximum recovery of the *** effectiveness of the proposed enhanced GA method is determined by making a comparative assessment with traditional GA and other AI methods at different population sizes.

关键词： Automation internet of things disassembly sequence planning priori cross over operator enhanced GA disassembly predicates

structural,morphological,optical and antibacterial performances of rare earth(sm)-doped ZnO nanorods

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Journal of Rare Earths 2024年第11期42卷 2119-2127,I0005页

作者： A.Ravi J.samuel s.sahaya Jude Dhas s.Usharani Turibius simon D.senthil Kumar s.K.Jasmin vijitha A.sivakumar raju suresh Kumar C.s.Biju Department of Physics University College of EngineeringKancheepuram631552TamilnaduIndia Department of Physics and Research Centre Malankara Catholic CollegeMariagiri629153TamilnaduIndia Manonmaniam sundaranar University Abishekapatti627012TirunelveliTamilnaduIndia saveetha school of Engineering Saveetha Institute of Medical and Technical SciencesSaveetha UniversityChennaiTamil Nadu602105India Department of Chemistry S.I.V.E.T CollegeGowrivakkamChennai600073TamilnaduIndia Department of Biotechnology Vivekanandha College of Arts and Science for Woman(Autonomous)Elayampalam637205TiruchengodeNamakkalTamilnaduIndia Department of Physics Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyAvadiChennai600062India Department of Physics&Research Centre Muslim Arts CollegeThiruvithancode629174TamilnaduIndia Key Laboratory of High-temperature and High-pressure study of the Earth's Interior Institute of GeochemistryChinese Academy of SciencesGuiyang550081China Department of Chemistry College of ScienceKing Saud UniversityP.O.Box 2455Riyadh11451Saudi Arabia Department of Physics St.Alphonsa College of Arts and ScienceSoosaipuramKarinkal629157Tamil NaduIndia

The significant rise of ultra-violet(Uv) radiation and pathogenic infectious bacteria poses a serious threat to global *** researchers' interests are attracted by novel materials with strong Uvblocking ability,antibacterial activity and low toxicity to other *** this case,a simple wet chemical method with different annealing temperatures(400,500,and 600℃) was employed to create highly effective rare earth(sm)-doped ZnO ***(101) plane of wurtzite ZnO shifts towards a lower angle with increasing annealing temperature,according to the X-ray diffraction(XRD) study findings,which additionally establishes the consequence of lattice *** of doublet peaks of sm 3d(sm 3d_(5/2) and sm 3d_(3/2)) in the X-ray photoelectron spectroscopy(XPs) spectrum clearly validates the substitution of sm^(3+) ions in the 500℃-annealed *** 500℃-annealed nanorods exhibit combined performances of the wide band gap,improved Uv absorbance,and vivid green luminescent emission(563 nm).Additio nally,the nanorods have favorable Uv-blocking execution of 96% for UvA at 360 nm,92% for UvB at 320 nm,and 57% for UvC at 225 nm,which is greater than the majority of ZnO-related materials that have been reported up to this *** doping is also appropriate for improving bacterial inhibition against the two studied strains(Escherichia coli and staphylococcus aureus),in addition to the intriguing features discussed ***,with maximum inhibition zone diameters of 20±0.72 and 18±0.57 mm,respectively,these nanorods exhibit high inhibitory action against *** and *** bacterial *** rare earth-doped material developed during the current experiment,which was annealed at 500℃,could potentially serve as an effective replacement for Uv-blocking and antibacterial material,especially for biomedical applications.

关键词： Wet chemical method Rare earth doping Metal oxide Uv-shielding Bacterial inhibition

Genotype×year interaction of pod and seed mass and stability of Pongamia pinnata families in a semi-arid region

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Journal of Forestry Research 2020年第4期31卷 1333-1346页

作者： G.R.Rao B.sarkar B.M.K.raju P.sathi Reddy A.v.M.subba Rao Jessie Rebecca ICAR-Central Research Institute for Dryland Agriculture SantoshnagarHyderabadTelangana State 500059India Tropical Forest Research Institute(TFRI) Indian Council of Forestry Research&EducationMinistry of EnvironmentForest&Climate ChangeGovt.of IndiaJabalpur 482021India

sixteen pongamia families were evaluated in a field experiment for eight consecutive years in dryland conditions to identify stable,high-yielding *** trial was conducted in a randomized complete block design with three *** family,consisting of nine trees per replication,was planted at a spacing of3 m x 3 *** stability was analyzed using(1)Eberhart and Russel’s regression coefficient(β_i)and deviation from regression(s_d^2),(2)Wrike’s ecovalence(W_i);(3)shukla stability variance(σ_i^2);and(4)Piepho and Lotito’s stability index(L_i).Families were also analyzed for adaptability and stability using AMMI and GGE biplots graphical *** study revealed significant variances due to family and family x year interaction for pod and seed *** performed differently and ranked differently across *** performance of families was influenced by both genetic factor and environmental conditions in different *** families tested,TNMP20,Acc14,TNMP14 and Acc30 were high yielders for pods,and Acc14,Acc30,TNMP6,RAK19 and TNMP14 were high for seed *** to the Eberhart and Russell model,Acc30,TNMP14 and TNMP3 were stable across *** the graphical view of family x year interaction based on AMMI methods,TNMP3,TNMP4 and TNMP14 had greater stability with moderate seed yield,and Acc14 and Acc30 had moderate stability with high seed *** the other hand,GGE biplots revealed Acc14,Acc30 and TNMP14 as high yielders with moderate *** and GGE biplots were able to capture nonlinear parts of the family x year interaction that were not be captured by the Eberhart and Russel model while also identifying stable *** on different methodologies,Acc14,Acc30 and TNMP14 were identified as high yielding and stable families for promoting pongamia cultivation as a biofuel crop for semi-arid regions.

关键词： Biofuel Pongamia Genetic diversity stability AMMI (additive main effects multiplicative interaction) GGE biplots Multi-year trial svD(singular value decomposition)

Cross-Diffusion Effects on an MHD Williamson Nanofluid Flow Past a Nonlinear stretching sheet Immersed in a Permeable Medium

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Frontiers in Heat and Mass Transfer 2024年第1期22卷 15-34页

作者： R.Madan Kumar R.srinivasa raju F.Mebarek-Oudina M.Anil Kumar v.K.Narla Department of Mathematics RGUKTR.K.ValleyKadapa(D)Andhra Pradesh516329India Department of Mathematics Gitam UniversityHyderabad502329India Department of Physics Faculty of SciencesUniversity of 20 Aout 1955-SkikdaRoad El-HadaeikB.P.26Skikda21000Algeria Department of Mathematics Anurag UniversityHyderabadTelangana500088India

The primary aim of this research endeavor is to examine the characteristics of magnetohydrodynamicWilliamson nanofluid flow past a nonlinear stretching surface that is immersed in a permeable *** the current analysis,the impacts of soret and Dufour(cross-diffusion effects)have been attentively taken into *** appropriate similarity variable transformations,the governing nonlinear partial differential equations were altered into nonlinear ordinary differential equations and then solved numerically using the Runge Kutta Fehlberg-45 method along with the shooting *** simulations were then perceived to show the consequence of various physical parameters on the plots of velocity,temperature,and concentration of the nanofluid *** the magnetic,Williamson,porosity,and stretching sheet index parameters,the velocity of the fluid flow *** temperature is enhanced as theWilliamson and Brownian motion parameters upsurge,but it decreases as the Prandtl,thermophoresis,stretching sheet index,and Dufour parameters *** concentration distribution decreases as the thermophoresis andmagnetic parameters upsurge,but it escalates as the soret,schmidt,Brownian motion,and stretching sheet index parameters *** friction coefficient boosted as the stretching sheet index and magnetic parameters enhanced against the Williamson *** findings from this study have been contrasted with earlier findings on local Nusselt numbers,which show substantial support and endorse the existing approach’s *** numerical values of the local sherwood number gradually increase as the schmidt,soret,stretching sheet index,and thermophoresis parameters are upsurged.

关键词： Magnetohydrodynamics(MHD) Williamson nanofluid soret&Dufour effects

Developmental and genomic architecture of plant embryogenesis: from model plant to crops

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Plant Communications 2021年第1期2卷 1-12页

作者： Alma Armenta-Medina C.stewart Gillmor Peng Gao Javier Mora-Macias Leon v.Kochian Daoquan Xiang raju Datla Global Institute for Food security University of SaskatchewanSaskatoonSK S7N 4J8Canada Laboratorio Nacional de Genòmica para la Biodiversidad(Langebio) Unidad de Genòmica AvanzadaCentro de Investigaciòny Estudios Avanzados del IPN(CINVESTAV-IPN)IrapuatoGuanajuatoMéxico National Research Council Canada 110 Gymnasium PlaceSaskatoonSK S7N 0W9Canada

Embryonic development represents an important reproductive phase of sexually reproducing plant *** fusion of egg and sperm produces the plant zygote,a totipotent cell that,through cell division and cell identity specification in early embryogenesis,establishes the major cell lineages and tissues of the adult *** subsequent morphogenesis phase produces the full-sized embryo,while the late embryogenesis maturation process prepares the seed for dormancy and subsequent germination,ensuring continuation of the plant life *** this review on embryogenesis,we compare the model eudicot Arabidopsis thaliana with monocot crops,focusing on genome activation,paternal and maternal regulation of early zygote development,and key organizers of patterning,such as auxin and WOX transcription *** the early stages of embryo development are apparently conserved among plant species,embryo maturation programs have diversified between eudicots and *** diversification in crop species reflects the likely effects of domestication on seed quality traits that are determined during embryo maturation,and also assures seed germination in different environmental *** review describes the most important features of embryonic development in plants,and the scope and applications of genomics in plant embryo studies.

关键词： embryogenesis embryo patterning zygote genome activation transcription factors genomics transcriptomics

Experimental and Numerical Analysis of Turbulent Flow Heat Transfer Enhancement in a Horizontal Circular Tube Using Mesh Inserts

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Journal of Energy and Power Engineering 2010年第7期4卷 32-41页

作者： s.N. sarada A.v.s.R. raju K.K. Radha Department of Mechanical Engineering JNTUH College of Engineering Kukatpally Hyderabad500085 Andhra Pradesh India.

The present work focuses on experimental and numerical investigations of the augmentation of turbulent flow heat transfer in a horizontal circular tube by means of mesh inserts with air as the working fluid. sixteen types of mesh inserts with screen diameters of 22 mm, 18 mm, 14 mm and 10 mm for varying distance between the screens of 50 mm, 100 mm, 150 mm and 200 mm in the porosity range of 99.73 to 99.98 were considered for experimentation. The horizontal tube was subjected to constant and uniform heat flux. The Reynolds number varied from 7,000 to 14,000. The results are compared with the clear flow case when no porous material was used. Computational fluid dynamics （CFD） techniques were also employed to perform optimization analysis of the mesh inserts. The horizontal tube along with mesh inserts was modeled in Gambit 2.2.30 with fine meshing and analyzed using FLUENT 6.2.16. CFD analysis was performed initially for plain tube and the results are compared with experimental values for validation.

关键词： Enhancement. mesh inserts heat transfer turbulent flow CFD analysis.