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1 KilT University, (} , , r #a.x;: rx.. kt@k:b.oc/. Q( ti: ULttLUv.k:b. OC/. UP

2 East Zone Vice Chancellors Meeting LAB VIEW and its Applicability 4th Engineers' Day 5. International Conference on Information management and I 6. Nanofunctional Material, (N 7. Interaction Lecture - "Ign Sciential Atmosphere" o before 99th Indian S 8. Workshop on " ProcessingjCompu 9. National semin Fusion and I & Development in nal Linguistics" "Plasma Processing for Thermonu I Applications" 10. Workshop Solar En tion of solar Energy" in collaboration Society of India (SESI) ith 11. Innovations in the area of Advanced Ceramics alty Glasses at CSIR-CGCRI Talk by Faculty and staff tions on Engineering and Applied

3 9" Oi {}It "Oi ce.m ce am dlmut 9 ' The three days programme was organised in collaboration with Centre for Excellence, State Pollution Control Board, disha during July, 2011 of different spectrum such as: Sri Bhagirathi Behera, IFS Director, Environment-cum-Special Secretary to Govt. Mr. J. K. Tiwari, IFS, Chief Conservator of Forests, MoEF, BBSR :: Er. Dillip Kumar Dash, Asst. Engineer, Odisha Env. SPCB, Dr. S. K. Biswal, IMMT(RRL) Prof. M. K. Mishra, Associate Professor, NIT, Rourkela N. R. Sahoo, Sr. Env. Engineer, SPCB, Odisha Dr. A. K. Patra, Associate Professor, lit, Kharagpur Mr. T. K. Rath, Regional Controller IBM, Bhubaeswar Mr. U. K. Sinha, Saruabil Chrom Ms. Indu & Mr. K. Bhagyaraj, I Dr. K. Srinivas, Head, T Engineers Ltd., Hyderab Mr. M. S. Majhi, Env. ::: - -ii,i\1 collection, processing waste; technologies for Sustainable t of chromite. objectives of the Progr me: ns learnt from National & waste management effective & in waste anagement reference with Or sa. on the nvironmental,._,...,.... a, impacts of solid waste Exchange views about the best already adopted for the man the Municipal Solid Waste in and countries with special plastic waste management; in the through exclusive from different institutes in days training workshop was focused on the theme" Pollution Control in Chromite Mines and Allied Industries" The workshop on Urban Solid Waste Management including Plastic Waste provided an exclusive forum for the chromite mines and allied industry personals to share the ideas & experiences of specialized expertise of the respective field. The program focused on new

4 );;- );;- );;- );;- Exchange views about the best practices already adopted for the management of the hazardous waste in the state of Orissa; and, Record an action pl n based on the above experiences. To have an analytical m;r available waste management Chromium To explain the significance and need for );;- management system To build and strengthen the pa among participants to foster co and to facilitate adopt management practices environment a better The association of Indian Universit" Eastern Zonal Meeting of the Vice-C of the region was inaugurated in the Mr. Badri Naryan Patra, the Ho'ble M Higher Education, Odisha. He as possible help in implementing the specific recommendations come out of the me in g.

5 The meeting was attended by more than 50 Vice Chancellors from different universities like Nagaland, Meghalaya, Manipur, Mizoram, Jharkhand, Arunachal Pradesh, Assam, Madhya Pradesh, e Uttar Pradesh, Chhattisgarh, Odisha, Bihar. inaugural talk on "Bridging t 111«1 iu 31 Ia 09-0!H/ Nit /«Jm j IU th tj/ 'TC4ta Gn{JUUIII the big gap that exists among central, states and self financing universities and also on the problem of inadequate & quality faculty such the usage of members and insufficient funds universities. The research, industry-aca relationship and commitment to socie also his focus on the talk acquisition, instrument rnlriiii. Y'rl automation on a variety of Microsoft Windows, various Linux, and Mac OS X. The LabVIEW is version LabVI in August Interfacing A key benefit development environments is the support for accessing instru hardware. Drivers and abstraction many different types of instruments are included or are available for These present themselves as grap interfaces to communicate with devices. The provided driver program development time. Speaking on the occasion Dr. A. Samanta, Founder, KilT & KISS and Member, UGC & AICTE commented on the existing system and informed about the steps being taken by the UGC, New Delhi to reform higher education system at University level. Code compilation In terms of performance, Lab VIEW inl.wlaw.. compiler that produces CPU platform. The graphical into executable machine co the syntax and by compilation. syntax is strictly enforced during process and compiled into the machine code when requested to saving. In the latter case, the exe the source code are merged into

6 The executable runs with the help of the LabVIEW run-time engine, which contains some precompiled code to perform common tasks that are defined by the G language. The run-time engine reduces compile time and also provides a consistent interface to various operating systems, graphic systems, hardware components, etc. The run-time mdronment makes the code portable across p atforms. Generally, LabVIEW code can be slower than equivalent compiled C code, although the differences often lie more with program optimization than inherent execution speed. OS based LabVIEW Real-Time FPGAs, PocketPCs, P sor network nodes. Chairman & along with Large libraries Many libraries with a large number of functions for data acquisition, signal generation, mathematics, statistics, signal conditioning, analysis, etc., along with numerous graphical interface elements are provided in several Lab VIEW package options. The number of advanced mathematic blocks for functions such as integration, filters, other specialized capabilities associated with data capture from sensors is immense. Code re-use The fully modular character of allows code reuse without m long as the data types of inp consistent, two sub VIs The LabVIEW Pro System allows stand-alone executable can ted number of times. and its libraries can be along with the executable. A the LabVIEW environment is the independent nature of the G code, which is (with the exception of a few platform-specific functions) portable between the different LabVIEW systems for different operating systems (Windows, Mac OS X and Linux). National Instruments is increasingly focusing on the capability of deploying LabVIEW code onto an increasing number of targets including devices like Phar Lap or The engineers things in organized environment T nature of this profession which he na rated to the gatherings. While recapitulatin Bharat Ratna Sir M. Visvesvaraya, on whose ory Engineer's day is celebrated, was th of engineers and we must emulate

7 est, Dr. Jagadish Arora, Director,, Ahmadabad focused on the in the society which hav affected briefing and digital media. Conference director, lit, cruicco:ir1 the digital lib ry and its the present digita age. Prof. S., President of t conference Dr. Anil Kakodkar believed that the key to success is building a team and preparation of mind and because of these Sir M. Visvesvaraya could achieve impossible feats. Briefing about his own experience on the research reactor "Dhruba', he explained creation and details of this powerful reactor as well as his leadership to get through "Dhruba" in the committee in spite of oppositions. and 8/ecJJumic and -8tkl!J 20t/ The conference was aimed together library and IT nrr.tt:ic'cl management and The conference was 100 participants from South Africa and papers were de He appealed the audi e for effort on the human asp to digital Vice-Chancellor, Prof. A. Kolaskar, out the changes taking place in li information science and the co the National Knowledge Com expand the network through the country. The Seminar was conducted in Chief Guest as Prof. B. K. Mis IMMT, BBSR, Guest of Honor as

8 Chandra Rao, Head Nanofunctional Materials Center lit Madras, and Guest of Eminence as Prof. B. S. Murty, Bhatnagar Awardee, lit Madras. More than 100 del internal and While addressing the Minister Technology, Government of kind of education and in disciplined manner. Nanofunctional applications rials various areas of Science, Medical and covered in the and applications of in different areas, Excitments Nanomaterials, very interesting presentation and the future scope of Nanomaterials were deliberated in this two days National Seminar by the experts. technology no country can nrrhtr.oc'c' lot of impetus to science Though there are so many.,..,...r.,t.or,a.-:- nr '" essay competition launched in occasio Indian Science Congress will not only the real scientific temper but also mind of young budding scientist of college level.

9 His talk was also focused on students studying in rural areas and those have lot of innovative ideas. These students do their research with the locally available resources and come out with solutions on environment, energy, solar power etc. Such talents at that age need to identified and nurtured prope ly. for their and future of India. Natural Language Processing e held. One proposal is hold a paper submission based that can be organized und February or March next proposal for th immediate hold another long r workshop 'W on" &!IJ m Oi l '- 22& 2c1:1J.20fl The Workshop was organized by the School of Computer engineering. Prof. Anupam Basu, lit Kharagpur was the Guest of Eminence on the day. The delegates include external, internal participants of nearly 120 in numbers. The invited talks from resource personal include: 1. Prof. Anupam Basu: An Introduction Natural Language Processing 2. Prof. Amba Kulkarni: Machine Trans! and Information Dynamics: Anusaaraka System 3. Dr. Rajat Mohanty: Linguistics, P UNL Based Machine Translation Example Application 4. Dr. Sobh L.: Language Proces Parsing and Information E- v The following are the 1. Prof. A. (Talk: Language, ticjf818!f'"'l' atural Natural Processing: ns) Chaudhury (Talk: Machine with the Anusaaraka System) Sarkar, M.Tech. Ist Year (Presentation: Chunking Natural Language Text) 4. Aradhana Kar, M.Tech. Ist Year (Processing Sign Language) Samathanam, Head & Advisor, Development and Transfer (TOT) Department of Science & Delhi. Guest of Honor as Secretary BRFST, and Guest of E Dr. A. K. Das (BARC), (Saha Institute). Based on the feedback received from the participants, it is agreed that more such

10 Nearly 300 delegates covering external, internal experts and students were present during the two days seminar. n MNRE, Govt. of India. The was also grazed b Prof A. Vice Chancellor KilT U iversity, Dean School of Electrical The focus of the seminar was Plasma processing for Thermonuclear Fusion and ngineering, registrar Student affair. Present Solar Energy So highlighted the different this occasion. The proposed by Dr. C.K of the School. various Industrial applications. seminar introduction and Plasma, Important steps Reactor, Plasma processing, Fusin-dlllillll' ':>rt.nrc Tokamak Divertor, etc, n Rector development " 4 u, lllilll t:faku C5Hef..fi,JJ 4 8miUz tm t:l" 20t1 t:feltni4 In this context SESI student c University also organized competition (Poster, Quotation Presentation competition Renewable Energy) among from various schools and Post graduates. The workshop was inaugurated by Er. Prabhakar Swain, Secretary Orissa Electricity Regulatory Commission, Bhubaneswar. The chief Speaker of the workshop was Sri. B. Panda, Principal Scientific officer and Head

11 Energy Systems, School of during undred delegates from various ded the Workshop. Special was also arra ed, where shared their inno ative ideas The pro amme was Sri. Akhiles Nimje, Asst Debasmita Panda, Asst YIII.-.t:i yadhara Pradhan, Asst released on this f) at CSIR-C UJ '&umue 9114titHk, 2011 "-l'i"'" univ..,... - Dr. Indrat DhtCIOr, Clnlrll GillS \ students from graduates presented their technical video session the students to RE. The Seminar talk was Dr. I. Manna, Director, and Ceramic Institute, Kolkata. Innovative Experiments related to RE were carried out by the Post graduate students of

12 The focus of the talk was on Recent Innovations in the area of Advanced Ceramics. The talk was interesting and covered Introduction and applications of Ceramics, Glasses, Fusion Reactor, Space applications, Nanoceramics, and th uture scope of advanced ceramics and it arj?lication in different engineering a d ndustrial applications. The faculty and students in large numbers level exchange programme of search scholar, faculty and ecision e Indian and US Insti tions of and multi- Prof. A. S. Kolaskar, Vice-Chancellor of the University was invited as a Guest speaker in the Global Cancer Genomics Consortium - Tata Memorial Centre (GCGC-TMC) Symposium on Nov. 10 to 12, 2011 in Mumbai to deliver a lecture on "Bioinformatics for Analysis of Omics data" under the session entitled "Challenges in Design and Analysis High Throughput Data". The focus and theme of the Symposi cancer Genomics and Proteomics Technologies and Applications. The was supported by The George University, Washington DC and.iimilit<> rc Oxford. Prof. A. S. Kolaskar, requested by Dr. D. Y. P Pune as one of resource pe represent Indo-US Education Con 2011 held during December S-7 The Conclave was the AUSIB, Leaders Foundation, and DPU. represents the session Academic Mentorship and delivers his talk on "Collaboration amongst Indian & US Universities through Mentoring". The talk was focused on mentorship in higher education which is an area wherein the Indian and USA Universities can learn significantly from each other. The evolution of such a holistic system would require a close interaction, collaboration ptimisation Volume 2, Number 3, 0 242,2011 Abstract: The present application of full experiment and in developing mathema input variables, i.e., cutting speed, depth of cut for flank wear roughness when hard turning A/Sf (HRC 47±1) using multilayer coa insert (TiN/TiCN/ Al<SUB align= align=right>3/zrcn) under dry Mathematical model output cone/ RSM models proposed are significant and adequate because R<SUB align=right>2 value. It shows correlation between the experimen predicted values. From ANOVA ta evident that, feed is the sig affecting surface roughness followed speed. Depth of cut is found t PJe!lll1Sialllll from the studied range. For speed is the most significant depth of cut. Feed is found to for flank wear. The improvement relational grade from initial combination {d2-f3-v4) to the parameter combination (d4-f1-v3} be and is improved

13 approach of Taguchi method with grey relational analysis to optimise the process parameter for multiple performances (surface roughness and flank wear). proposed method could improve accuracy of system remar bly and s better robustness by c mparing speaker identification non-accessible Quality and Quantitative Management An International Journal, vol. 8 (2), pp85-100, 2011 Element Simulati of Forging Trunca,ted Co cal Sintered IE(I), Vol. 92, Sept., 11, pp n llll!"ffi!rit nt paper deals with the Abstract: In this paper, we consider a single-server infinite- (finite-) buffer bulkservice queues. The interarrival and service times are respectively, arbitrarily and exponentially distributed. The customers are served by a single server in accessible or nonaccessible batches of maximum size 'b 'with a minimum threshold value ' '. We provide a recursive method, using the supplementary variable technique and treating supplementary variable as the interarrival time, to develop the cronn.,_ queue length distributions at prea arbitrary epochs. Finally, results have been presented. rkpiece interfacial perform densification strain, effective stress, contours on the perform It was found that dissipation increases time and die velocity. effective stress and edges of perform. Sabyasachi Patra, Subhendu..,.u_ Hierarchical Speaker I Latent Variable Decompos Journal of Computer No.7, 2011 novel hierarchical method based on Latent osition (LVD) has been, we got a coarse decision by a registered speakers using LVD features and GMM classifier to find R possible target speakers, and then MFCC or PCA based features were used to make final decision. LVD has another advantage: reduction of the feature vectors dimensions and the noise is removed from speech simultaneity. So, it can reduce the computational complexity and improve the performance of speaker identification. The experimental results showed A.S.Kolaskar, Shweta Kolhi - Pune Metabolic Pathway Engineering Computing and Information :SCJ1en1:es. 2, No. 7, July, 2011, pp Abstract: PuMP is a comprehensive that provides integrated inform metabolome of bacterial systems. The data is annotated to infer metabolic using in-house tools and web-based PuMP introduces a novel categorization. It is the first metabolome-based tree camp metabolome between metabolic pathways information bacteria having completely sequenced Information on Km (Michaelis consta catalytic site data and 3D structures is integrated and made availab platform. Open source relation

14 management system MySQL is used at the backend and software used for visualization of structures and pathway interactions are also from open source. Updation is done regularly with minimal human intervention. This resource is user friendly and provi e-s. unique integrated information to carry out abfj c pathway engineering. It is 1 at / /mpej by Schmittel and co-workers. The L1 is based on a phen-i idazole derivatized by two hi ly bulky in positions 2 and 9 of the cavity, preventing the homoleptic species, hi/e L2 is a bearing n-butyl c A.S.Kolaskar & Raj Munda- Challenges in Professional Education in India, Journal of University News, Vol. 49, No. 50, December, 2011, pp Abstract: Professional education would have been one of the major contributors in elevating the status of our country from undeveloped/developing nation to a developed country in the very near future. In spite of this crucial role, higher professional education in our country suffers from numerous shortcomings, quality being the casualty, as evidenced by the results of a number of studies. An oft quoted study of the international consulting McKinsey & Company reported multinational companies find less than 25 the engineering graduates and post g employable. Compartmentaliza regulation and rapid and proliferation of private institutions main factors that continue to professional education in the currt:jb'jil(tnh Y. Pellegrin, M. Sandroni, M. Evain, Narayan C. Bellll.tlM Sliwa, M. Rebarz, Odobel- roleptic Bis- Two or Ligands: Complexes with Imidazole Fused Spectral, and Quantum Chemical new diimine ligands Ll bromophenyl) sterically challenged {2,9-dimesityl-2 -( 40- imidazo[4,5j][1,10]phenanthroline) and L2 (3,6-di-nbutyl-11-bromodipyrido[3,2 -a:20,30- c]phenazine) have been synthesized with the aim to build original heteroleptic copper(!) complexes, following the HETPHENconcept the emission lifetime containing the bulky ligand L1. For luminescence quantum yield of abou obtained with a decay time of about SO ns for C2 ([Cul{nBu-phen a weak influence of strong on the luminescence properties. spectral features are those highly constrained coordination cag complexes are stable in solution, the beneficial rr stacking between groups and vicinal phenanthroline rings, as evidenced by the X-ray complex C3 ([Cul(Mes-phen Electrochemistry of the revealed reversible corresponding to a co transition. The half wave poll!r" with the steric bulk at the level of the ion, reaching a value as high as 1 V vs the assistance of ligand induced effects. L1 and L2 are further end-

15 bromo functionality. A Suzuki cross-coupling reaction was directly performed on the complexes, in spite of the handicapping lability of copper(i)phenanthroline complexes. mention that Australia is emerging of the front-runners t ough a R&D effort to turn the ountry's mineral deposits into a $300 studies irect Abhisek Kumar, lsheta i, ari Aasangita participated in Moon Bots at lit KGP held on 27th -28th Aug.2011 & won the 2nct prize in the year Sruti Kanta Mishra, Shakabda Sarangi, during the rec t years. Not made to understand and the mechanism to Ti but also Kritesh Arora participated in Moon Bots at lit KGP held on 27th -28th Aug.2011 & won the 1st prize in the year through the formation oxides of Ti in addition Vinamra Sinha, Bhattacharya, Ratneswar Krishnajit Mukherjee, Shambo Bhattacharya, Chatterjee participated in Moon La at lit KGP held on 27th -2 Aug.2011 & won the 3rct prize low weight and is corrosion. Owing to his is bio-compatible, which in high demand across the for use in bone and joint replacements. But titanium is extremely costly and difficult to produce. Its usage to date has largely been confined to high-technology areas such as these human joint replacements, and aerospace industries. Scientists and engineers from all over the world are racing to change that - and they are racing for a multi-billion dollar prize. It's reduction of TiOz in produce Ti looks to be this regard. The major thrust in has been aimed at achieving cost rather than developing alloys with properties. The cost reduction only from either a reduction in production of the metal itself creative techniques for the final components. Over the past there has been much activity in th reduced-cost titanium fabrication processes in part new and developing applications armor and auto use where a cost could significantly increase use. Therefore, to understand process and mechanis formation, the partial pellets and graphite rod as electrodes. Prolonged required at different cell for

16 variable time. Some such studies are explained in the following graphs. : 30s, Temperaturce uration of heating:>s& V/dec b se- :: i -O S9-Q..,..;._0.375V/dec 1::.2l -1 0 c V/de cade 1E Current, A Fig. Concurrent steady state polarization plots in molten CaClz bath at 950 C: [a) cathodic for TiOz and (b) anodic for graphite. Argon flow rate 0.6 lpm. Conditions for TiOz pellet preparation: Compaction load: 3 ton, Duration of compaction: 30s, Temperature of. heating: loooac, Duration of heating: 3 h. Fig. Combined figure of sample obtained after 2 The phase transformations and the products have been analyzed to find out the reaction pathway which TiOz is reduced to Ti. ldl The results indicate thii>1-"' reduction of TiOz to multi-step reduction process. micrographs as well as the._v..... fully metalized sample have been with that of the standard Ti sampl ofxrd on TiOz pellet (a) (b) after Sh electrolysis, (d) after 19h pellet preparation: ton, Duration of Fig. SEM micrograph of the titaniu produced after 37h. Temperature of electrolysis: 950 C, of electrolysis: 3V. Conditions for TiOz pellet Compaction load: 3 ton,

17 .. compaction: 30s, Heating temperature: 1 ooooc, Duration of heating: 3h. In addition to all above, an approach of preparing CaTi03 ch cally TiOz electrode in k and subsequently electro-reduct duce Ti metal has been also studied anctproposed by the present author and his team.,5-triazine and has been used for of complexes of several ions. In J"Wtal cb ates the are coordinated to the Oxidation of alkyl and aromatic substrates by copper containing enzymes and by the model complexes using dioxygen is an "''T"'"" area of research [1]. However, oxidation of -CHz- group flanked by a 2-pyridyl a amide/imine function in the presence suitable metal ion is rare. In such final ligand that was found amide/imine function pyridylcarbonylamide/2-pyri bis(2-pyridylcarbonyl)amide Thus the metal chelates as a bidentate ligand and supramolecular assemb structures. The [Feii(Cl04)ziZIFem complexes of bpca were known. high-spin Fetll) at the secondary nitrogen bpa-h)]cl and then at to PyCH=N-CHzPy as in ] followed by its -CHzPy]- (bpam-h) as using Oz [2] and (b) of the coordinated KOtBu as in K[Ir(bpa- [lr(bpa-2h)( cod)] was obtained through the hydrolysis of 2,4,6-tris(2- magne1ic llld - ( ::. -<: + :c-(u. ; --::. ---t :--c:....:; The cyano-bridged onebimetallic coo J._ [(bpca)zfe111z(cn)6cu(h20)z1.5 synthesized and it shows behavior with a Neel temperature K and a critical field of 250 Oe at 1 the cyanides mediate the

18 ferromagnetic coupling between the Cu" and Fe1" ions. A ladder-like chain compound {[Fe111(bpca)( - CN)3Mn"(Hz0)3] [Fe111(bpca)(CN)3]}.3Hz0 which is an ionic salt made up of cationic ladder-like chains {[Felll(bpca)(f..l CN)3Mn"(Hz0)3]}+ and uncoordinated anions [Fe1"(bpca)3(CN)3]-. The magnetic properties of this complex correspond to those of a ferrimagnetic chain with significant intrachain antiferromagnetic coupling between the lowspin iron(iii) centers and the high-spin manganese(ii) cations that result ferromagnetic ordering below 2.0 K. 2. Sarkar, S.....,.llliii.... Struct. 2007, 826, 1 Sahu, R.; Padhi, S K.; J Nanoparticle research our interest in using for synthesis of herein we describe ch 2-(aminomethyl) r quinoline ring can be to respective copper(ii) acetate. by using 2- (2-amp) is and by using 2- (2-amq) is fields. In Nanoscience and primary dealing is with characterization, exploration, and of nanostructured materials in fields.! From the last nanocrystals of metal chalcogeni semiconductors have been intensely by different chemical and methods. In the past decade the reali size depended properties as electronic, optical, "'"'F."'" confinement, mature synthetic fabrication of exploratory devices. The past couple of

19 heightened activity in this area, driven by advances such as the ability to synthesize nanocrystals of different shapes. Nanoparticle of metal chalcogenides has promising applications as fluorescent tags in biology and medicine, and they photocatalysts. The monodisperse and in the quantum size range (so-called quantum dots). However, these materials are displaying unexpected biological properties. They are capable of penetrating cells, of passing to different organs in living mice, and of persisting there for considerable periods. They also exhibit toxic behavior which is not yet fully understood. These findings have raised questions about whether synthetic chalcogenide nanoparticles could become hazardous in the environment as nanotechnology is more widely commercialized. The search for novel methods synthesize metal oxide nanoparticles controlled size, shape and composition remains a challenge. In this class, nanoparticles with variable morpho! very attractive because of anisotropy and functionalization. To irreversible coalescence and rn.i-rn of all size-dependent nanometer dimension, arrested during the p formation. z This objective can be by electrostatic, and hydration Polymers, mers, resin support and a with the affinity for metals as stabilizers for the metal My objective is to fabricate hierarchical metal chalcogenide materials on solid support or in solution following simple wet-chemical route upon exploitation of different stable metal complexes instead of their simple salt in easy and cost-effective method. Those nanomaterials are well using different physical and techniques. After tha those exploited as catalyst i (iifferent rk has the scope to discover dependent surface analytical rganic chemistry o radiating multipol nanostructure have been a simple modified immobilize onto resin surface and after solution has been formation has been taken surface and the color of the indicating the formation of the resin surface where as prepared red colored immobilized onto the screw capped test tube and h 1 OOW bulb separately. From both black colored resin beads generated which are magnetic in two different methods have the their morphology i.e., from the nanostructures. The isolation Fe304 (uncapped) particles matrix as hierarchical achieved by nanocomposites in CH3CN. support not only helps nanowafer on its surface but also provid stability to the magnetite particl oxidation of the nanowafers retarded. The prepared magnetic

20 potential application for the degradation of the cationic dye rhodamine B. Due to the magnetic property successive separation of the catalyst from the reaction mixture becomes. inadequate.t the mechanistic details In conclusion, extremely stable Fe304 superparamagnetic large wafers having porosity are produced from alkaline hydrolysis of [Fe(bpy)3)2+ species on cation exchange resin matrix via hydrothermolysis. The solid resin sup nanowafers remain stable for together without need of any extra agent. 1. Kreibig, U.; Vollmer, M. Optical Metal Clusters; Springer: Berlin Mulvaney, P.; Liz-Marzan, L. M.; Ung, T. Silica Encapsulation Dots and Metal Clusters. 2000, 10, 1259 ontaining more than the selectivity of much looked into. on structure-reactivity molecules with multiple car yet been reported in the I present work we tried to b molecules containing as well as an acyclic Lrair... - on the attached su enolizable. For mixed ketones risk of is one of the guiding as well a interfering factors to control the si 3. Basu, M.; Sinha, A. K:, S.; Pradhan, selection. Thus, when, R = Ph, Rt, M.; Yusuf, S. Y.; Pal, T. preferred site of olefination is at a Resin-Bound Langmuir, 2010, /?; =--o- 1 B'lP=CH2_ 1a-i 0 #;' R + it;' R R (1 eq) R 2a-i 3ao4..J" HMe R =R2 = H d: R=Ph R :::Me; z- H where _ b: R -v 2 _ a: R=Ph; R =R2 : H c: R=R :::Ph Rz- H. :::H f: R=Ph R :::H; Rz- Me e: R=Ph R :::OMe, k :::H h: R=R :::Me; Rz=H g: R=CHMe2iR :::Me 2 i:r=ph group. In contrast to this counterpart installation of a

21 substation either at C-1 or C-4 position typically crates the region-selective biasness either at 2-acyl or at 5-aroyl keto functionality (see the entry in Table 1: a, c-f, h-i). Table 1 Yields from Wittig Reactions of 1a-i However, when R is replaced by an iso-propyl group (lb) reactivity of the acyl ketone was substantially reduced due to enhanced enolizability. The less enolizability of the saturated acyl-2-keto group in this case appeared to guide preferential olefination at this carbonyl under the same reaction condition to give lb along with minor amount of the other olefin lb (Schemel). Since steric hindrance in the reactants is also known to complicate Wittig reactions of ketones2, we wished to compare its effect with that of enolization. When the reaction was Entry R Rt Rz a Ph H H 9 b CHMez H H 5 c Ph Ph H 1 (%) (Rec) d Ph Me H 79 e Ph OMe H 62 f Ph H 76 g CHMez Me 58 h Me Me Ph Me out with le-e, e found to be 2 le 2-ketogroup was ntially olefinated giving ejmajor products (Scheme ilarly, in the case of 1f the only obtained was 2f. In all cases 1,3- action between the carbonyl substituents and phenyl ring of the PPh3 ylide appeared to guide the preferential regia-selectivity of initial oxaphosphetane ring formation. became e sole product. On the other hand, nt of the iso-propyl gro p by a e resulted in reduction f steric in lh yielding a 1:1 mixture of 2h l1.1111!rl'e ase of 1i where both types of experienced sterig conge on, the non-enolizable a die ketone was feve tially olefinated to in 4 ratio however, the re tion became mu s uggish here (Table 1). to el t specially for non-stabilize the examples it appeared oxaphophetane formation is by these two effects. Since betaines ar stabilized in presence of ions like Li-salt 4 h we s. results under Li-free co base used for this purpose was p tbutoxide and the product 3d obtai ed from ld was 76%, which was comparabl ith the yield using BuLi as base (79%). observation along with the rep increasing bulk of the carbonyl su tituents disfavors betaine formation4a favored oxaphosphetane as intermediates these reactions. l.abell, A. D.; Edmonds, M. K. In phosphorous Reagents; Murphy, P. J., Ed. 2. Vedejs, E.; Peterson, M.]. Top. 21,1 That the steric factor often plays a more dominant role than the enolizability of the ketone in this initial step was evident from the reaction of 1g where the olefination was totally retarded at the acyclic ketone and 3g

22 9 {)H tlu elfoet4 of's'e mul rju m ceuhc 2 9)t. fj'iljuu. 9l..1' 'frm, ii' P/ il' General approach to chemical synthesis of Inorganic soli high temperature oxides hav disadvantages: (i) High processing a d in particular the following me (ii) Non-uniform heating (iii) Inferior product quality with impurities. In order to get magnetic phases, study of cubic ZrOz phase is essential both experimentally as well as for theoretical calculations. So, the nonconventional techniques like microwaveassisted combustion method have been employed to realize this high temperature cubic phase. Microwave combustion method is a high temperature fast quenching route. This process uses the first principle of propulsion chemistry, to use a combustible fuel to achieve exothermic reaction. As a result of which, cubic phase of ZrOz can be realized as metastable phase despite its high stability (>2370 C). The essential outcom the above mentioned chemical brings the following ad synthesizing ZrOz composites viz; are doped effectively in Zr sites and Fe (b) Samples form metal >3% and up to 30 % (c) Samples impurity phases for dopant cm1centr ahfill"> 30%, either as NiO or, Fe304 phases. Microscopic tech substitutional ph clue to such For sample only ZrOz phase is that doping of metal a characteristic doublet, ferromagnetism or, inating Zr sites. The is er shift ponding to the doublet shows non-interacting Fe 3 + states in ng effective d ing of Fe in ZrOz. (b) Th presence of e spectra is. This conclusion ing of Ni in ZrOz, doping for <3% Fe Several from the magnetic data But, the foremost data Parent ZrOz shows a excluding the role of defects contributing signature. For Ni su two linear behavior range of 0 to 40 % of fo'111mfr\-, There is a distinct linearity for co from 0 up to 10% doping and linearity exists from 10 to 40 % of magnetization as a function concentration. This provides conclude that substitution ferromagnetism might be possible e such as NiO phase is along with the cubic ZrOz phase. or samples > 50% of Ni, clear NiO grains observed as impurity phases in TEM micrograph. Fe-doped ZrOz samples were synthesized to probe the local magnetic environment prevailing around the Fe sites and to determine the oxidation state of Fe in ZrOz lattice employing Mossbauer spectroscopy. (a) The spectrum of 3% Fe H (Oe)

23 lean compositions, say up to 5% of dopants. Beyond which clustering of metallic particles severely influence the saturation magnetization. Further the Mbssbauer evidence for substitution induced ferromagnetism limiting should have to operate in a narrow range of doping up to < 3 atom %. And in order to achieve this, the synthetic approach will become crucial. Only synthetic methods, either a physical vapor deposition technique or, soft chemical routes which can take care of the thermodynamic requirements and crystallographic limitations can exceed in achieving magnetically homogeneous, substituted single phase materials. So, the above studies give a clear indication that, there is scope for dilute magnetic semiconductor phase to exist 1. Tapas R. Sahoo et a/., Reactivity in Inorganic, Metal-Orga and Nano-metal Chemistry, 38 ( Tapas R. Sahoo et a/., Interaction, 188 (2009) 43.

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