Results 41 to 50 of about 3,897,550 (347)

Complexes of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) with ligand formed by condensation reaction of isatin with glutamic acid

Eclética Química, 2020
The complexes of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) with ligand (H2L=C13H12N2O5) formed by condensation reaction of isatin and glutamic acid were synthesized. Their physico-chemical properties were characterized using elemental analysis, XRF, XRD,
Wiesława Ferenc, Dariusz Osypiuk, Jan Sarzyński, Halina Głuchowska   +3 more
doaj   +1 more source

Synergistic Effect of L-Carnosine and Hyaluronic Acid in Their Covalent Conjugates on the Antioxidant Abilities and the Mutual Defense against Enzymatic Degradation

Antioxidants, 2022
Hyaluronic acid (Hy) is a natural linear polymer that is widely distributed in different organisms, especially in the articular cartilage and the synovial fluid. During tissue injury due to oxidative stress, Hy plays an important protective role. All the
Valeria Lanza, Valentina Greco, Eleonora Bocchieri, Sebastiano Sciuto, Rosanna Inturri, Luciano Messina, Susanna Vaccaro, Francesco Bellia, Enrico Rizzarelli   +8 more
doaj   +1 more source

Recognition of two distinct elements in the RNA substrate by the RNA-binding domain of the T. thermophilus DEAD box helicase Hera [PDF]

, 2013
DEAD box helicases catalyze the ATP-dependent destabilization of RNA duplexes. Whereas duplex separation is mediated by the helicase core shared by all members of the family, flanking domains often contribute to binding of the RNA substrate.
Klostermeier, Dagmar, Linden, Martin H., Rudolph, Markus G., Steimer, Lenz, Wurm, Jan Philip, Wöhnert, Jens   +5 more
core   +1 more source

Remote Access Revolution: Chemical Crystallographers Enter a New Era at Diamond Light Source Beamline I19

Crystals, 2017
Since the inception of the use of synchrotron radiation in the structural characterisation of crystalline materials by single-crystal diffraction in the late 20th century, the field has undergone an explosion of technological developments.
Natalie T. Johnson, Paul G. Waddell, William Clegg, Michael R. Probert   +3 more
doaj   +1 more source

Project on comparison of structural parameters and electron density maps of oxalic acid dihydrate [PDF]

, 1984
Results obtained from four X-ray and five neutron data sets collected under a project sponsored by the Commission on Charge, Spin and Momentum Densities are analyzed by comparison of thermal parameters, positional parameters and X - N electron density ...
Coppens, Philip, Dam, J., Feil, D., Harkema, S.   +3 more
core   +3 more sources

A Novel Dual Air-Bearing Fixed-χ Diffractometer for Small-Molecule Single-Crystal X-ray Diffraction on Beamline I19 at Diamond Light Source

Crystals, 2017
Herein, we describe the development of a novel dual air-bearing fixed-χ diffractometer for beamline I19 at Diamond Light Source. The diffractometer is designed to facilitate the rapid data collections possible with a Dectris Pilatus 2M pixel-array photon-
David . R Allan, Harriott Nowell, Sarah A. Barnett, Mark R. Warren, Adrian Wilcox, Jeppe Christensen, Lucy K. Saunders, Andrew Peach, Mark T. Hooper, Ljubo Zaja, Suren Patel, Leo Cahill, Russell Marshall, Steven Trimnell, Andrew J. Foster, Trevor Bates, Simon Lay, Mark A. Williams, Paul V. Hathaway, Graeme Winter, Markus Gerstel, Ron W. Wooley   +21 more
doaj   +1 more source

High-Capacity CaCO₃ Containers: The Effect of Size on Drug Loading and Interaction with Cells

Medical Sciences Forum, 2022
A series of calcium carbonate particles with sizes of 500 ± 80 and 200 ± 90 nm were obtained using mass crystallization in aqueous salt solutions by varying the reaction conditions and adding glycerol or a combination of polyethylene glycol, polysorbat ...
Tatiana Pallaeva, Alexander Mikheev, Daniil Eurov, Dmitry Kurdyukov, Victoriya Popova, Elena Dmitrienko, Roman Akasov, Daria Trushina   +7 more
doaj   +1 more source

Synthetic metallomolecules as agents for the control of DNA structure [PDF]

, 2007
This tutorial review summarises B-DNA structure and metallomolecule binding modes and illustrates some DNA structures induced by molecules containing metallic cations. The effects of aquated metal ions, cobalt amines, ruthenium octahedral metal complexes,
Adair D. Richards, Alessio, Alison Rodger, Baschnagel, Bierbach, Boulikas, Bragg, Brey, Browning, Carle, Chargaff, Clarke, Coggan, den Hartog, Eichhorn, Gale, Gessner, Goodsell, Guschlbauer, Hannon, Hannon, Haq, Hiort, Holliday, Humphrey, Khalid, Laine, Lerman, Lerman, Levitt, Liu, Loprete, Mainwaring, Manzotti, Marrington, Meistermann, Miescher, Molderheim, Neidle, Oleksi, Parkinson, Parkinson, Peberdy, Pelta, Rodger, Rodger, Rodger, Rodger, Rodger, Rosenberg, Sherman, Tabor, Ushay, Watson, Zou   +54 more
core   +1 more source

MX2: a high-flux undulator microfocus beamline serving both the chemical and macromolecular crystallography communities at the Australian Synchrotron

Journal of Synchrotron Radiation, 2018
A microfocus macromolecular crystallography beamline at the Australian Synchrotron is presented.
D. Aragão, J. Aishima, Hima Cherukuvada, R. Clarken, M. Clift, N. Cowieson, D. Ericsson, C. Gee, Sofia Macedo, Nathan Mudie, S. Panjikar, J. Price, A. Riboldi-Tunnicliffe, Robert Rostan, R. Williamson, T. Caradoc-Davies   +15 more
semanticscholar   +1 more source

Dihedral-Angle-Controlled Crossover from Static Hole Delocalization to Dynamic Hopping in Biaryl Cation Radicals [PDF]

, 2016
In cases of coherent charge-transfer mechanism in biaryl compounds the rates follow a squared cosine trend with varying dihedral angle. Herein we demonstrate using a series of biaryl cation radicals with varying dihedral angles that the hole ...
Bates, Benniston, Brunschwig, Cui, Hanss, Heckmann, Mishchenko, Mulliken, Rathore, Rathore, Rathore, Reed, Scholes, Shukla, Spettel, Talipov, Talipov, Talipov, Talipov, Talipov, Venkataraman, Vonlanthen, Weinhold, Zhai, Zhai   +24 more
core   +2 more sources