2012: Recent submissions

Now showing items 21-40 of 169

Refined delamination characterization for composite laminates using digital means

Nagarajan, V A; Sundaram, S; Thyagarajan, K; Rajadurai, J S; Rajan, T P D (Sage/ American Society for Composites, 2012)

Drilling is most widely applied to composite materials; nevertheless, the damage induced by this operation on composite materials may reduce drastically the component performance. In order to establish the damage level, ...
A photoresponsive fluorescent glycopolymer

Sajith Menon; Suresh Das (Royal Society of Chemistry, 2012)

Herein we report a new photoresponsive amphiphilic glycopolymer, poly(pyrenylmethyl methacrylate)-b-poly(3-O-4-vinylbenzoyl-D-glucopyranose) (PPy-b-PBG), synthesized via atom transfer radical polymerization (ATRP). The ...
Stereoselective synthesis of geometrically strained, oxindole-appended vinyl cyclopropanes and highly substituted cyclopentenes via sulfur ylide cyclopropanation and vinyl cyclopropane rearrangement

Lingarn, K A P; Shanmugam, P; Selvakumar, K (Georg Thieme Verlag, 2012-01)

An efficient diastereoselective synthesis of oxindoleappended vinyl cyclopropanes from bromo isomerised Morita Baylis-Hill man adducts of isatin with activated alkylidene and isatilidines via sulfur ylide cyclopropanation ...
Chemical composition and in vitro antioxidative potential of essential oil isolated from Curcuma longa L. leaves.

Priya, R; Prathapan, A; Raghu, K G; Nirmala Menon, A (Elsevier, 2012-02)

The objective was to determine the chemical composition and antioxidant potential of essential oil isolated from the leaves of Curcuma longa(turmeric).Chemical composition of the oil was analyzed using GC-MS. Antiperoxidative ...
Inhibitory effect of Terminalia chebula Retz. fruit extracts on digestive enzyme related to diabetes and oxidative stress

Indu Sasidharan; Sundaresan, A; Nisha, V M; Mahesh, S K; Raghu, K G; Jayamurthy, P (Informa, 2012)

Terminalia chebula fruit extracts were prepared sequentially with hexane, ethyl acetate, methanol and methanol– water (70:30) and tested for their α-glucosidase inhibitory and antioxidant potential. The study resulted in ...
Antioxidant, antiglycation and inhibitory potential of saraca ashoka flowers against the enzymes linked to type 2 diabetes and LDL oxidation

Prathapan, A; Nampoothiri, S V; Mini, S; Raghu, K G (Verduci Editore, 2012)

Objective: The present study investigated the antioxidant, antiglycation and inhibitory potential of flavonoid fraction of Saraca ashoka flowers (SAF) against α-glucosidase and α-amylase (the enzymes linked to type 2 ...
Textural characterization of vellar river along the east coast of India

Rajmohan, S; Singarasubramanian, S R; Suganraj, K; Sundararajan, M; Rajganapathi, V C (Radiance Research Academy, 2012-07)

The vellar river has been studied for grain size distribution and textural parameters namely average mean, sorting, Skewness, kurtosis. Analyzed the sediments are characteristically fine sand indicates low energy condition, ...
Study of beta-cyclodextrin-pyromellitic diimide complexation. conformational analysis of binary and ternary complex structures by induced circular dichroism and 2D NMR spectroscopies

Retheesh, K; Rakhi, A M; Gopidas, K R (American Chemical Society, 2012-11-29)

Complexation of N-alkyl derivatives of PMDI with beta-CD is probed using a variety of techniques. Although MALDI-TOF and CV experiments suggested complex formation, it is very evident from UV-vis and NMR experiments that ...
Carbon nanotubes rooted montmorillonite (CNT-MM) reinforced nanocomposite membrane for PEM fuel cells

Manikandan, D; Mangalaraja, R V; Avila, R E; Siddheswaran, R; Ananthakumar, S (Elsevier, 2012-05-15)

Nafion based nanocomposite membranes containing montmorillonite-carbon nanotubes (a binary hybrid material) were produced to develop high performance polymer electrolyte fuel cells. Multi walled carbon nanotubes were grown ...
Effect of DNA binding on geminate CO recombination kinetics in CO-sensing transcription factor CooA

Benabbas, A; Venugopal Karunakaran; Youn, H; Poulos, T L; Champion, P M (American Society for Biochemistry and Molecular Biology, 2012-06-22)

Carbon monoxide oxidation activator (CooA) proteins are heme-based CO-sensing transcription factors. Here we study the ultrafast dynamics of geminate CO rebinding in two CooA homologues, Rhodospirillum rubrum (RrCooA) and ...
Synthesis, characterisation and biocompatibility of surface-functionalised gold nanoparticles

Raji, V; Jatish Kumar; Rejiya, C S; Vibin, M; Annie John; Annie Abraham (Taylor & Francis, 2012)

Understanding and controlling the interactions between nanoparticles and living cells are of great importance in the diagnosis and therapeutic applications of nanosized materials. This article describes the synthesis, ...
Electrical and thermal characterization of Sm3+ doped ceria electrolytes synthesized by combustion technique

Mangalaraja, R V; Ananthakumar, S; Paulraj, M; Pesenti, H; Lopez, M; Camurri, C P; Barcos, L A; Avila, R E (Elsevier, 2012-01-05)

Nanocrystalline samarium doped ceria electrolyte [Ce0.9Sm0.1O1.95] was synthesized by citrate gel combustion technique involving mixtures of cerium nitrate oxidizer (O) and citric acid fuel (F) taken in the ratio of O/F ...
Polyphenol rich fruit pulp of Aegle marmelos (L.) Correa exhibits nutraceutical properties to down regulate diabetic complications — An in vitro study

Prathapan, A; Mahesh, S K; Nisha, V M; Sundaresan, A; Raghu, K G (Elsevier, 2012-10)

In the present study, methanolic extract of Aegle marmelos (L.) Correa fruit pulp (AME) was evaluated for various parameters relevant to diabetes such as antiperoxidative, free radical scavenging and inhibitory potentials ...
Combustion synthesis of nanocrystalline Co and Al co-doped ZnO (Zn1-x-yCox AlyO) and its powder characteristics

Siddheswaran, R; Mangalaraja, R V; Avila, R E; Manikandan, D; Lopez, M; Esther Jeyanthi, C; Ananthakumar, S (Hanyang University Press, 2012)

Co, Al co-doped zinc oxide [Zn1-x-yCoxAlyO; x = 0.04, 0.03, 0.02; y = 0.01, 0.02, 0.03] nanoparticles were synthesized by a citrate assisted combustion method at 500 οC for various doping levels using zinc, cobalt and ...
Study of size dependent photo-induced exciton life-time and photocatalytic activity of nanocrystalline CdZnS

Singh, K; Bhatti, H S; Baiju, K V; Shukla, S; Sunil Kumar; Choubey, R K (American Scientific Publishers, 2012-09)

CdZnS nanoparticles with variable size within the range of 2–13 nm have been synthesized using the chemical precipitation method. Size dependent exciton lifetime and photocatalytic activity has been studied in search of a ...
Fabrication and characterization of Co, Al:ZnO thin films by a sol-gel spin coating technique for ferromagnetic applications

Siddheswaran, R; Mangalaraja, R V; Avila, R E; Gomez, M E; Manikandan, D; Lopez, M; Esther Jeyanthi, C; Ananthakumar, S (Hanyang University Press, 2012)

Transparent polycrystalline ZnO and Co,Al co-doped ZnO [Zn1-x-yCoxAlyO; x = 0.03; y = 0.02] thin films were fabricated using sol-gel spin coating on glass substrates and subsequently annealed at 500 οC for 2 h in an ambient ...
Fabrication of nanostructured clay–carbon nanotube hybrid nanofiller by chemical vapour deposition

Manikandan, D; Mangalaraja, R V; Siddheswaran, R; Avila, R E; Ananthakumar, S (Elsevier, 2012-03-01)

Growth of multiwalled carbon nanotube (CNT) assemblies by chemical vapour decomposition (CVD) technique was achieved through decomposition of acetylene using iron impregnated montmorillonite (MM) catalysts. Various amounts ...
Multifunctional ZnO-Biopolymer nanocomposite coatings for health-care polymer foams and fabrics

Sanoop, P K; Mahesh, K V; Nampoothiri, K M; Mangalaraja, R V; Ananthakumar, S (Wiley, 2012)

Biopolymer-mediated sonochemical synthesis has been carried out for obtaining stable, nanocrystalline ZnO-biopolymer nanocomposite colloids to be applied on polymer foam and cotton fabrics to ultimately produce multifunctional, ...
Improvement of morphology and luminescence properties of powellite type red phosphors CaGd1 xNbMoO8: xEu3+ synthesized via citrate gel route

Mariyam Thomas; Prabhakar Rao, P; Mahesh, S P K; Reshmi, V R; Linda Francis, T; Peter Koshy (American Ceramic Society, 2012-07)

Powellite type molybdate-based red phosphors CaGd1 xNb-MoO8: xEu3+ (x = 0.05, 0.1, 0.15, 0.20, 0.25, and 0.30) were synthesized by a solid-state reaction (SSR) route, and a citrate gel (CG) route. The crystalline structure, ...
Squaraine dyes in PDT: from basic design to in vivo demonstration

Rekha, R A; Dhanya, T J; Adarsh, N; Ramaiah, D (Royal Society of Chemistry, 2012)

The design and development of novel squaraine dyes as sensitisers for photodynamic therapy (PDT) applications has grown tremendously in the last decade from the time when a squaraine dye was proposed to be a potential ...

Now showing items 21-40 of 169

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

2012: Recent submissions

Search DSpace

Browse

All of DSpace

This Collection

My Account