Rajashekharayya A. Sanguramath

ORCID: 0000-0003-4180-7452
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Organometallic Complex Synthesis and Catalysis
  • Catalytic Alkyne Reactions
  • Pickering emulsions and particle stabilization
  • Crystal structures of chemical compounds
  • Synthesis and characterization of novel inorganic/organometallic compounds
  • Crystallography and molecular interactions
  • Metal-Organic Frameworks: Synthesis and Applications
  • Synthetic Organic Chemistry Methods
  • Nanocomposite Films for Food Packaging
  • Block Copolymer Self-Assembly
  • Catalytic Cross-Coupling Reactions
  • Chemical Synthesis and Characterization
  • Wound Healing and Treatments
  • Metal complexes synthesis and properties
  • Asymmetric Hydrogenation and Catalysis
  • Advanced Polymer Synthesis and Characterization
  • Supramolecular Self-Assembly in Materials
  • Essential Oils and Antimicrobial Activity
  • Polymer Surface Interaction Studies
  • Chemical Synthesis and Analysis
  • Antimicrobial agents and applications
  • Nanoparticles: synthesis and applications
  • Anodic Oxide Films and Nanostructures

Technion – Israel Institute of Technology
2019-2022

Hebrew University of Jerusalem
2013-2022

ORCID
2021

University of Haifa
2019

University of Bristol
2011-2017

Jawaharlal Nehru Centre for Advanced Scientific Research
2008-2009

Indian Institute of Science Bangalore
2009

Emulsion templating presently extends far beyond the original hydrophobic porous polymers that were synthesized within surfactant-stabilized water-in-oil high internal phase emulsions (HIPEs) by using free radical polymerization. This Perspective presents extraordinary versatility of emulsion has emerged with growing numbers HIPE systems, stabilization strategies, monomers, polymerization chemistries, multicomponent materials, and surface functionalities. now goes "porous polymers"...

10.1021/acs.macromol.8b02576 article EN publisher-specific-oa Macromolecules 2019-07-16

Interfacial step growth polymerization within oil-in-water high internal phase emulsions was used to synthesize poly(urethane urea) monoliths, consisting of 90% organic change material encapsulated micrometer-scale capsules, for thermal energy storage and release applications.

10.1039/c8py01733f article EN Polymer Chemistry 2019-01-01

By the employment of hydrothermal methods, four lead 1,3-cyclohexanedicarboxylates with compositions Pb(1,3-CHDC)(H(2)O), I, [(OPb(4))(2)(OH)(2)(C(2)O(4))(1,3-CHDC)(4)].H(2)O, II, Pb(2)(1,3-CHDC)(2)(H(2)O), III, and (OPb(3))(1,3-CHDC)(2), IV, have been prepared characterized. Of these, I II layered structures while III IV three-dimensional structures. I-III are hybrid possessing extended inorganic connectivity in one or two-dimensions (I(n), n = 1 2) involving infinite Pb-O-Pb linkages along...

10.1021/ic701323q article EN Inorganic Chemistry 2008-01-03

Slip-sliding away: Gold(I) cations bind to only one double bond of a 1,3-diene unit but can glide over the C4 backbone on low-activation-energy pathway. However, binding mode is influenced by substituents diene backbone, which also induces significantly higher barrier migration.

10.1002/anie.201102750 article EN Angewandte Chemie International Edition 2011-07-05

Reaction of equimolar quantities MX (M = Au, Cu, X Cl; M Ag, OTf) and GaCl(3) in CH(2)Cl(2) with P(4) leads to phosphorus ligating a cationic coinage metal centre. For Cu ion-contacted coordination polymers are formed; for an ion-separated complex is observed that features the [Au(η(2)-P(4))(2)](+) cation, which first homoleptic Au-P(4) be characterised condensed phase.

10.1039/c2cc15291f article EN Chemical Communications 2012-01-01

Cyclopentadiene and 1,3-cyclohexadiene are readily polymerised by [LAu][X]. With specific ancillary ligands polymerisation was suppressed a molecular species involving an Au(I) cation η(2)-bonding CpH isolated whose structure probed in both the solid state solution.

10.1039/c1cc16193h article EN Chemical Communications 2011-12-08

Einfacher Platzwechsel: Gold(I)-Kationen binden nur an eine Doppelbindung einer 1,3-Dieneinheit, können aber auf einem Weg mit geringer Aktivierungsenergie über das C4-Gerüst gleiten. Doch die Bindungsart wird von Substituenten am Diengerüst beeinflusst, was auch zu deutlich höheren Barrieren für Wanderung führt. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents peer-reviewed, but not copy-edited or typeset. They made available...

10.1002/ange.201102750 article EN Angewandte Chemie 2011-07-05

Abstract The ability of β‐cyclodextrin (β‐CD) to form a host–guest complex with relatively hydrophobic molecules such as bisphenol A (BPA), common wastewater contaminant, has inspired the development β‐CD‐containing polymers for adsorption applications. For most part, these are powders, which can limit their applicability. Here, low‐density (~0.1 g cm −3 ), macroporous monoliths based on unmodified β‐CD were synthesized using emulsion templating. simple, one‐pot, polyurethane synthesis took...

10.1002/pol.20210481 article EN Journal of Polymer Science 2021-10-30

Inappropriate and disproportionate use of antibiotics have led to a rapid increase in antibacterial resistance. Therefore, alternative strategies solutions are sought overcome any form resistance effectively treat and/or prevent the spread infections. In this study, we report an eco-friendly scalable approach produce highly CuO(1-x)ZnO x nanocomposite its inclusion medical devices acrylic paint. Nanocomposite has nanoporous structure composed primary nanocrystallites Zn+2 ion doped CuO (∼15...

10.1088/1361-6528/abe826 article EN Nanotechnology 2021-02-19

Abstract Cationic gold(I) complexes of phosphaalkynes are formed by the interaction [P t Bu 2 ( o ‐biphenyl)AuCl] with AgSbF 6 and an excess amount RC≡P in CH Cl at room temperature. Free coordinated phosphaalkyne readily exchange through associative mechanism. In solid state, binds a π fashion slips towards carbon end triple bond.

10.1002/ejic.201301089 article EN European Journal of Inorganic Chemistry 2013-11-29

Quasi-block copolymers (q-BCPs) are block consisting of conventional and supramolecular blocks, in which the is end-terminated by a functionality that interacts with monomer (a "chain stopper" functionality). A new design q-BCPs based on general polymeric chain stopper, consists polystyrene sulfonate group (PS-SO3 Li), described. Through viscosity measurements detailed diffusion-ordered NMR spectroscopy study, it shown PS-SO3 Li can effectively cap two types model monomers to form solution....

10.1002/chem.201600478 article EN Chemistry - A European Journal 2016-06-08

10.1016/j.jorganchem.2016.03.009 article EN Journal of Organometallic Chemistry 2016-03-15

Arrays of alternating metallic nanostructures present hybrid properties, which are useful for applications in photonics and catalysis. Block copolymer films provide versatile templates fabricating periodic arrays nanowires. Yet, creating with compositions or structures requires different modifications domains the same kind. By controlling penetration depth metal precursors into film we were able to impregnate layers cylinders metals. Capitalizing on hexagonal packing led simultaneous...

10.1039/d1sm01313k article EN Soft Matter 2021-01-01
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