• LUMINESCENCE STUDIES OF RARE EARTH DOPED CALCIUM ALUMINATE PHOSPHORS 

  MADHUKUMAR, K; RAJENDRA BABU, K; AJITH PRASAD, K C; JAMES, J; ELIAS, T S; PADMANABHAN, V; NAIR, C M K (World Scienti c Publishing, 2007)

  Photoluminescence (PL) and Thermoluminescence (TL) properties of Cerium (Ce3+) and Terbium (Tb3+) singly doped and multidoped monocalcium aluminate phosphors are studied. The suitability of monocalcium aluminate material ...
• Flux Pinning Properties of Magnesium Diboride Added (Bi,Pb)-2212 Superconductors 

  Vinod, K; Abhilash Kumar, R G; Biju, A; Sarun, P M; Syamaprasad, U (Elsevier, 2007-07-31)

  Microstructure and flux pinning properties of polycrystalline (Bi,Pb)-2212 system with varying levels (0–0.2 wt.%) of MgB2 was studied. Phase analysis, microstructural investigation and superconducting characterization ...
• Effect of Mg on the Fracture Characteristics of Cast Al–7Si–Mg Alloys 

  Thirugnanam, A; Sukumaran, K; Pillai, U T s; Raghukandan, K; Pai, B C (Elsevier, 2007-02-15)

  The fracture behavior of Al–7Si–Mg cast alloys mainly depends on the size and shape of eutectic silicon particles and iron-rich intermetallics. These can be altered by many ways such as, chemical modification, cooling ...
• A FACILE SYNTHESIS OF THIAAZA- AND THIADIAZA-FLUORENE DERIVATIVES INVOLVING BENZOTHIAZOLE-DMAD ZWITTERION WITH ARYLIDENEMALONONITRILES AND N-TOSYLIMINES 

  Vijay Nair; Rema Devi, B; Abhilash, N P; Rony Rajan Paul (Elsevier, 2007-10-02)

  An efficient protocol for the one-pot synthesis of thiaazafluorene and thiadiazafluorene derivatives are described
• Improved Superconducting Properties by La Addition in (Bi,Pb)-2212 Bulk Superconductor 

  Biju, A; Vinod, K; Aloysius, R P; Syamaprasad, U (Elsevier, 2007-04-04)

  The effects of La addition on the structural and superconducting properties of (Bi,Pb)-2212 bulk superconductor prepared by solid state synthesis in the polycrystalline form were studied. The La content of the samples was ...
• Effect of Pb addition on ageing behavior of AZ91 magnesium alloy 

  Srinivasan, A; Pillai, U T S; Pai, B C (Elsevier, 2007-04-15)

  The ageing behavior of AZ91 alloy containing 2 wt.% lead is investigated. The results show that addition of Pb suppresses the discontinuous precipitation and thereby slows down the ageing kinetics. Even though the peak ...
• Effect of Pb and Sb Additions on the Precipitation Kinetics of AZ91 Magnesium Alloy 

  Balasubramani, N; Srinivasan, A; Pillai, U T S; Pai, B C (Elsevier, 2007-05-25)

  Effect of Pb and Sb additions on the precipitation sequence and ageing kinetics of AZ91 alloy has been studied using the differential thermal analyzer, optical microscopy and scanning electron microscopy. The precipitation ...
• Effects of Individual and Combined Additions of Be, Mn, Ca and Sr on the Solidification Behaviour, Structure and Mechanical Properties of Al–7Si–0.3Mg–0.8Fe Alloy 

  Sreeja Kumari, S S; Pillai, R.M; Rajan, T P D; Pai, B C (Elsevier, 2007-01-22)

  The effects of individual and combined additions of Be, Mn, Ca and Sr on the solidification, structure and mechanical properties of Al–7Si–0.3Mg–0.8Fe alloy has been investigated. Thermal analysis study shows that all ...
• A Study on the Thermodynamics of in Situ MgAl2O4/Al MMC Formation Using Amorphous Silica Sources 

  Sreekumar, V .M; Pillai, R.M; Pai, B C; Chakraborty, M (Elsevier, 2007-10-01)

  MgAl2O4 (spinel) is considered as a commercially important ceramic reinforcement in MMC fabrication because of the possible tailorable properties imparted with Al for many applications. Generally, any oxygen source, i.e., ...
• Impact of Tsunami on Texture and Mineralogy of a Major Placer Deposit in Southwest Coast of India 

  Babu, N; Suresh Babu, D S; Mohan Das, P N (spinger, 2007-03)

  The great Indonesian earth quake (26 December 2004) triggered a tsunami wave across the Bay of Bengal and Indian Ocean basins and has brought a major havoc in several countries including India. The coastal segment ...
• Highly enhanced flux pinning in Pb and rare earth codoped Bi-2212 

  Biju, A; Vinod, K; Sarun, P M; Syamaprasad, U (AIP, 2007-01-17)

  The effect of codoping of Pb and rare earths rare earths REs =La, Gd, and Yb in Bi-2212 superconductor on structural, transport, and flux pinning properties was investigated in comparison with solo doping of REs. While ...
• Effect of Ambient, Excitation Intensity and Wavelength, and Chemical Structure on Photodegradation in Polysilanes 

  Asha Sharma; Monica Katiyar; Deepak (AIP Publishing, 2007-09-17)

  The photodegradation of a copolymer based on diphenyl and methylphenyl polysilane has been investigated by measuring the changes occurring in photoluminescence PL and absorption in solution and film form. In the solution, ...
• Effect of Dopants on the Low Temperature Microwave Dielectric Properties of Ba(Zn1/3Ta2/3)O3 Ceramics 

  Manoj Raama Varma; Kataria, N D (spinger, 2007-04)

  Ba(Zn1/3Ta2/3)O3 has been prepared with different dopants that gave best microwave dielectric properties at room temperature. Effects of different dopants on the low temperature microwave dielectric properties of BZT ...
• Antibacterial Activity of Kauranes from Annona squamosa L. Pericarp 

  Beena Joy; Sobhana, D (Asian Publication Corporation, 2007)

  Bioactivity directed fractionation and isolation of active principles from the pericarp of Annona squamosa yielded three kauranes namely, (-)-ent-kaur-17-acetoxy, 19-oic acid, 16α, 17-dihydroxy-ent-kauran-19- oic acid ...
• Minerological Studies on Beach Sediments of South East Cost,India 

  Sundarajan, M; Usha, Natesan (2007)

  The study area, Vedaranyam coast, is located along the Southeast of India and has a reverse "U" shaped structure. The coastal stretch between Akkarapallivasal and Muthupet lying between 10° 20' N - 10° 25'N latitude and ...
• Improved Cellulase Production by Trichoderma reesei RUT C30 under Through Process Optimization 

  Reeta Rani, S; Rajeev, K S; Ashok Pandey (2007-07)

  The major constraint in the enzymatic saccharification of biomass for ethanol production is the cost of cellulase enzymes. Production cost of cellulases may be brought down by multifaceted approaches which includes the ...
• Antiradical efficacy of phytochemical extracts from defatted rice bran 

  Renuka Devi, R; Arumughan, C (2007)

  The photochemical compounds oryzanols, tocopherols, tocotrienols and ferulic acid were identified in the crude methanolic extacts (CME) of defatted rice bran (DRB) by HPCL. Enrichment of antioxidants in CME was achieved ...
• Effect of interparticle distance and interfacial area on the properties of insulator –conductor composites 

  Deepa, K S; Sebastian, M T; James, J (2007-11-12)

  The influence of conducting phase characteristics on dielectric properties of insulator-conductor composites was demonstrated by studying composites of polytetrafluoroethylene and different volume fractions ofLa0.5Sr0.5CoO3-y ...
• Ti3Sic2 ceramics : A potential matrix for high temperature electro conductive ceramics 

  Ananthakumar, S (The Indian Institute of Metals, Trivandrum Chapter, 2007-12)
• Ratiometric and near-infrared molecular probes for the detection and imaging of zinc ions 

  Priya Carol; Sreejith, S; Ajayaghosh, A (Wiley, 2007)

  The detection and imaging of Zn2+ in biological samples are of paramount interest owing to the role of this cation in physiological functions. This is possible only with molecular probes that specifically bind to Zn2+ and ...

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