Search results for: Gil Goobes

Items from 1 to 16 out of 16 results

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The Coral Protein CARP3 Acts from a Disordered Mineral Surface Film to Divert Aragonite Crystallization in Favor of Mg‐Calcite

Rotem Gavriel, Merav Nadav‐Tsubery, Yehonatan Glick, Alina Yarmolenko, more

Advanced Functional Materials > 28 > 21 > n/a - n/a

Stony corals construct their aragonite skeleton by calcium carbonate precipitation, in a process recently suggested to be biologically controlled. Amorphous calcium carbonate and small amounts of calcite are also reported recently, however, their functional role is unknown. Coral acid‐rich proteins (CARPs) are extracted from the coral skeleton and are shown to be active in calcium carbonate precipitation...

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Understanding the roles of functional peptides in designing apatite and silica nanomaterials biomimetically using NMR techniques

Taly Iline-Vul, Nurit Adiram-Filiba, Irina Matlahov, Yasmin Geiger, more

Current Opinion in Colloid & Interface Science > 2018 > 33 > C > 44-52

Biomaterials are still commonly fabricated using synthetic scaffolds and catalysts such as polymers and surfactants. As contemporary requirements for cleaner and safer biomaterial manufacture rise, there will be a need to generate materials that are more akin to biogenic materials in the hard tissue of organisms. This can be achieved by employing biomolecules derived from organisms themselves. Specialized...

article

Biosilica and bioinspired silica studied by solid-state NMR

Enrico Ravera, Tommaso Martelli, Yasmin Geiger, Marco Fragai, more

Coordination Chemistry Reviews > 2016 > 327-328 > C > 110-122

Bio-inspired materials are emerging as a powerful tool to tackle significant technological problems, from biomedical engineering to green chemistry. In this review we demonstrate the possibilities offered by solid-state nuclear magnetic resonance to the characterization and the mechanistic understanding of both the inorganic and the protein components of biosilica and bioinspired silica.

article

A J-modulated protonless NMR experiment characterizes the conformational ensemble of the intrinsically disordered protein WIP

Eva Rozentur-Shkop, Gil Goobes, Jordan H. Chill

Journal of Biomolecular NMR > 2016 > 66 > 4 > 243-257

Intrinsically disordered proteins (IDPs) are multi-conformational polypeptides that lack a single stable three-dimensional structure. It has become increasingly clear that the versatile IDPs play key roles in a multitude of biological processes, and, given their flexible nature, NMR is a leading method to investigate IDP behavior on the molecular level. Here we present an IDP-tailored J-modulated...

article

One-step oxidehydration of glycerol to acrylic acid using ETS-10-like vanadosilicates

Alex Silva Paula, Luiz Gustavo Possato, Davi Rubinho Ratero, Janine Contro, more

Microporous and Mesoporous Materials > 2016 > 232 > C > 151-160

Vanadosilicates isostructural to ETS-10 and AM-6 microporous materials were synthesized hydrothermally using derivatives of cis- and trans-3,5-dimethyl-piperidine as organic structure directing agents (SDAs) and were subsequently tested as heterogeneous catalysts for the oxidehydration of glycerol to acrylic acid. The best performances were obtained with vanadosilicates prepared with 1,1,3,5-tetramethyl...

article

Dynamic Behavior of Supramolecular Comb Polymers Consisting of Poly(2‐Vinyl Pyridine) and Palladium‐Pincer Surfactants in the Solid State

Inbal Davidi, Daniel Hermida‐Merino, Keren Keinan‐Adamsky, Giuseppe Portale, more

Chemistry – A European Journal > 20 > 23 > 6951 - 6959

When poly(2‐vinyl pyridine) is combined with Pd‐pincer‐based organometallic surfactants, a mesomorphic structure forms due to weak stacking interactions between the pyridine units and the Pd‐pincer headgroups. The weak binding between the surfactant and the polymer competes with the tendency of the aliphatic tails of the surfactant to crystallize. Here, we demonstrate that over extended periods of...

article

A ¹³ C{ ³¹ P} REDOR NMR Investigation of the Role of Glutamic Acid Residues in Statherin- Hydroxyapatite Recognition

Moise Ndao, Jason T. Ash, Nicholas F. Breen, Gil Goobes, more

Langmuir > 2009 > 25 > 20 > 12136 - 12143

article

Furanose Dynamics in the Hha I Methyltransferase Target DNA Studied by Solution and Solid-State NMR Relaxation

Dorothy Echodu, Gil Goobes, Zahra Shajani, Kari Pederson, more

The Journal of Physical Chemistry B > 2008 > 112 > 44 > 13934 - 13944

article

Thermodynamic Roles of Basic Amino Acids in Statherin Recognition of Hydroxyapatite ^†

Rivka Goobes, Gil Goobes, Wendy J. Shaw, Gary P. Drobny, more

Biochemistry > 2007 > 46 > 16 > 4725 - 4733

article

Solid state NMR studies of molecular recognition at protein–mineral interfaces

Gil Goobes, Patrick S. Stayton, Gary P. Drobny

Progress in Nuclear Magnetic Resonance Spectroscopy > 2007 > 50 > 2-3 > 71-85

article

Contrasting Views of the Internal Dynamics of the Hh aI Methyltransferase Target DNA Reported by Solution and Solid-State NMR Spectroscopy

Paul A. Miller, Zahra Shajani, Gary A. Meints, Dorothy Caplow, more

Journal of the American Chemical Society > 2006 > 128 > 50 > 15970 - 15971

article

Thermodynamics of Statherin Adsorption onto Hydroxyapatite,

Rivka Goobes, Gil Goobes, Charles T. Campbell, Patrick S. Stayton

Biochemistry > 2006 > 45 > 33 > 10161 - 10161

article

Thermodynamics of Statherin Adsorption onto Hydroxyapatite ^†

Rivka Goobes, Gil Goobes, Charles T. Campbell, Patrick S. Stayton

Biochemistry > 2006 > 45 > 17 > 5576 - 5586

article

Homonuclear and Heteronuclear NMR Studies of a Statherin Fragment Bound to Hydroxyapatite Crystals

Vinodhkumar Raghunathan, James M. Gibson, Gil Goobes, Jennifer M. Popham, more

The Journal of Physical Chemistry B > 2006 > 110 > 18 > 9324 - 9332

article

A REDOR study of diammonium hydrogen phosphate: A model for distance measurements from adsorbed molecules to surfaces

Gil Goobes, Vinodhkumar Raghunathan, Elizabeth A. Louie, James M. Gibson, more

Solid State Nuclear Magnetic Resonance > 2006 > 29 > 1-3 > 242-250

Magic angle spinning NMR techniques can be used to determine the molecular structure of proteins adsorbed onto polymer and mineral surfaces, but the degree to which the orientation of proteins on surfaces can be uniquely determined by NMR is less well understood. In this manuscript, REDOR data obtained from model systems are analyzed with a view to determine the orientation of rare spins coupled to...

article

Selective polarization inversion of protons in rotating solids

Gil Goobes, Elena Vinogradov, Shimon Vega

Journal of Magnetic Resonance > 2003 > 161 > 1 > 56-63

The selective inversion of lines under phase modulated Lee-Goldburg (PMLG) decoupling in MAS proton spectroscopy is demonstrated. Short pulses inserted between consecutive PMLG irradiation intervals selectively invert the polarization of an on-resonance line while sustaining a high resolution proton evolution. The pulse scheme is combined with windowed-PMLG detection to obtain a one-dimensional high...

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