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Browsing 2019 by Issue Date

Now showing items 1-20 of 117

Charge Carrier Polarity Modulation in Diketopyrrolopyrrole-Based Low Band Gap Semiconductors by Terminal Functionalization

S, Ghosh; R, Raveendran; A, Saeki; S, Seki; M, Namboothiry; A, Ajayaghosh (American Chemical Society, 2018-12-13)

Organic semiconductors with variable charge carrier polarity are required for optoelectronic applications. Herein, we report the synthesis of three novel diketopyrrolopyrrole (DPP)-based D–A molecules having three different ...
Predicting correlations in abrasive waterjet cutting parameters of Lanthanum phosphate/Yttria composite by response surface methodology

Balamurugan, K; Uthayakumar, M; Sankar, S; Hareesh, U S; Warrier, K G K (Elsevier, 2019-01)

The machining property of Lanthanum phosphate/Yttria prepared by the aqueous sol-gel process is evaluated using abrasive waterjet machine. Jet pressure, Stand-off distance, and traverse speed are taken as the governing ...
Pigmentary Colors from Yellow to Red in Bi2ce2o7 by Rare Earth Ion Substitutions as Possible High NIR Reflecting Pigments

Athira, K V R; Rao, P P; Sreena, T S; Thara, T R A (ScienceDirect, 2019-01)

A new series of high near-infrared (NIR) reflecting pigments with colors ranging from yellow to red by tuning the Bi2Ce2O7 with rare earth ion substitutions on both A and B sites were synthesized by a solid state reaction ...
A self-recovering mechanochromic chiral p-gelator

Kartha, K K; Nair, V S; Praveen, V K; Masayuki Takeuchi; Ajayaghosh, A (Royal Society of Chemistry, 2019-01-05)

Mechanochromism is a stress induced perturbation of electronic property in molecular materials. It is shown here that the presence of a branched chiral chain facilitates mechanochromic response in a molecular assembly as ...
Molecular Basis for the Mechanical Response of Sulfa Drug Crystals

SeethaLekshmi, S; Kiran, M S R N; Ramamurty, U; Varughese, S (Wiley, 2019-01-10)

Comprehension of the nanomechanical response of crystalline materials requires the understanding of the elastic and plastic deformation mechanisms in terms of the underlying crystal structures. Nanoindentation data were ...
Catalyst-Controlled Dual Reactivity of Sulfonimidamides: Synthesis of Propargylamines and N-Propargyl Sulfonimidamides

Irfana Jesin, C P; Nandi, G C (Wiley, 2019-01-14)

Sulfonimidamides (SIAs) are acting both as surrogate amines and nucleophiles depending on the reaction conditions to access propargylamines and N‐propargyl SIAs, respectively. The amine part of SIAs has been cleaved in an ...
Drilling Study on Lightweight Structural Mg/SiC Composite for Defence Applications

Balamurugan, K; Uthayakumar, M; Thirumalai Kumaran, S; Samy, G S; Pillai, U T S (Elsevier, 2019-01-14)

Heat energy generated during machining has been found to have a greater influence on determining the machinability of the materials. In this work, magnesium-based silicon carbide composite, which has been identified as a ...
Catalyst-Controlled Dual Reactivity of Sulfonimidamides: Synthesis of Propargylamines and N-Propargyl Sulfonimidamides

Irfana Jesin, C P; Nandi, G C (Wiley, 2019-01-15)

Sulfonimidamides (SIAs) are acting both as surrogate amines and nucleophiles depending on the reaction conditions to access propargylamines and N-propargyl SIAs, respectively. The amine part of SIAs has been cleaved in ...
Hierarchical Self-Assembly of Pyrene-Linked Cyclodextrin and Adamantane-Linked Naphthalene Diimide System: A Case of Inclusion-Binding-Assisted Charge-Transfer Interaction

Jeevan, A K; Gopidas, K R (Wiley, 2019-01-17)

Mixed stack charge transfer complexation between pyrene donor linked to β‐cyclodextrin and naphthalene diimide acceptor linked to adamantane, where the charge transfer interaction is augmented by inclusion binding of the ...
Structural, optical and magnetic behavior of sol–gel derived Ni-doped dilute magnetic semiconductor TiO2 nanocrystals for advanced functional applications

Akshay, V R; Arun, B; Mandal, G; Vasundhara, M (Royal Society of Chemistry, 2019-01-18)

Dilute magnetic semiconductors based on TiO2 nanocrystals are the most promising class of materials exhibiting unique optical and magnetic properties. In the present investigation, we have performed a systematic study on ...
Correlative studies on the fabrication of poly(styrene-methyl-methacrylate-acrylic acid) colloidal crystal films

Ifijen, H I; Ikhuoria, E U; Omorogbe, S O (Taylor & Francis, 2019-01-21)

This research describes a one-step procedure for monodispersed poly(styrene-methyl-methacrylate-acrylic acid colloidal spheres [P(St-MMA-AA)] via soap-seeded emulsion polymerization. The effects ofreaction conditions such ...
Biogenic Cluster-Encased Gold Nanorods as a Targeted Three-in-One Theranostic Nanoenvelope for SERS-Guided Photochemotherapy against Metastatic Melanoma

Sujai, P T; Joseph, M M; Karunakaran, V; Saranya, G; Adukkadan, R N; Shamjith, S; Thomas, R; Nair, J B; Swathi, R S; Maiti, K K (American Chemical Society, 2019-01-22)

Effective treatment of malignant melanoma requires an appropriate combination of therapeutic intervention with long-term prognosis as it often survives by monotherapies. Herein, we report a novel melanoma-targeted theranostic ...
Interrelation of Elasticity, Isotherm of Adsorbed Proteins, and its Subsequent Displacement by a Surfactant

I, Sharma; S K, Pattanayek (American Chemical Society, 2019-01-30)

Quartz crystal microbalance with dissipation (QCM-D) is used to study the adsorption characteristics of insulin, myoglobin, bovine serum albumin, and beta-galactosidase over amine and methyl surfaces. The water-based and ...
Nucleophile‐Initiated Catalytic and Multicomponent Reactions

Nair, V; Menon, R S (Wiley, 2019-02)

A number of well‐known reactions, proceed through the intermediacy of dipolar/zwitterionic species generated via the addition of a neutral nucleophile with an unsaturated electrophile. A mechanistic understanding of these ...
Enzymes For Second generation Biofuels: Recent Developments and Future Perspectives

Binod, P; Gnansounou, E; Sindhu, R; Pandey, A (Elsevier, 2019-02)

Even though the search for alternative fuels from lignocellulosic biomass started a few decades ago, still it is relatively immature mainly because of few challenges which are yet to be solved for making the process ...
Silica-Based Organic−Inorganic Hybrid Fluorescent Ink for Security Applications

Nair, K S; Abhilash, P; Surendran, K P (American Chemical Society, 2019-02-04)

A facile formulation of fast-drying fluorescent ink made from nanostructured fluorescent silica nanocrystals is presented. The rheostable viscous ink suitable for screen printing was developed by careful selection of organic ...
A Self-recovering Mechanochromic Chiral Pi-gelator

K K, Kartha; V S, Nair; V K, Praveen; M, Takeuchi; A, Ajayaghosh (Royal Society of Chemistry, 2019-02-07)

Mechanochromism is a stress induced perturbation of electronic property in molecular materials. It is shown here that the presence of a branched chiral chain facilitates mechanochromic response in a molecular assembly as ...
Sphingomonas Pokkalii Sp. Nov., a Novel Plant Associated Rhizobacterium Isolated From a Saline Tolerant Pokkali Rice and Its Draft Genome Analysis

Menon, Rahul R.; Sunitha Kumari; Pravin Kumar; Ashish Verma; Krishnamurthi, Srinivasan; Rameshkumar, N (Elsevier, 2019-02-08)

Three strains L3B27T, 3CNBAF, L1A4 isolated from a brackish cultivated pokkali rice rhizosphere were characterised using a polyphasic taxonomic approach. Phylogenetic analysis based on 16S rRNA and recA gene sequences ...
Comparison of structural, magnetic and electrical transport behavior in bulk and nanocrystalline Nd-lacunar Nd0.67Sr0.33MnO3 manganites

Arun, B; Akshay, V R; Devi Chandrasekhar, K; Mutta, G R; Vasundhara, M (Elsevier, 2019-02-15)

Bulk and nanocrystalline Nd-lacunar Nd0.67Sr0.33MnO3 manganites were synthesized, and the structural, magnetic and electrical properties have been systematically studied. The Rietveld refinement confirms perovskite structure ...
Cassava Starch Hydrolysate as Sustainable Carbon Source for Exopolysaccharide Production by Lactobacillus Plantarum

Soumya, M P; Sasikumar, Keerthi; Pandey, Ashok; Nampoothiri, K M (Elsevier, 2019-02-16)

Cassava starch hydrolysate (CSH) proved to be a potential alternative for EPS production by L. plantarum. Enzymatic hydrolysis of 9% (w/v) cassava starch resulted in nearly 85% conversion of it to the sugars which can be ...

Now showing items 1-20 of 117

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