Results 141 to 150 of about 7,201 (251)

Investigation of the lower block rows in the King's Chamber of the Great Pyramid using ultrasonic testing with shear wave arrays. [PDF]

Sci Rep
Maier B, Hamza AG, Ramirez-Pinero A, Taie K, Schumacher T, Popovych O, Elkarmoty M, Tayoubi M, Helal H, Grosse CU.   +9 more
europepmc   +1 more source

Covalent Insertion of a Mn(Salen) Type Complex in Cross‐Linked Protein Crystals: Design of an Enantioselective Artificial Epoxidase

Chemistry – A European Journal, EarlyView.
An Artificial metalloenzyme was designed by a Michael addition between a MnSalen complex and a cysteine residue within NikA crystals. The heterogeneous catalyst was found capable of an enantioselective and stereospecific epoxidation of cis‐β‐methylstyrene in cristallo.
Manel Boukhallat, Ismail Benhamed, Jade Arnone, Stann Van Baaren, Clara Rinaldi, Patrice Catty, Caroline Marchi‐Delapierre, Christine Cavazza, Stéphane Ménage   +8 more
wiley   +1 more source

Comparative Evaluation of Hydrogel Dip-Coating on Cone and Pyramid Microneedle Arrays Fabricated by LCD 3D Printing. [PDF]

Pharmaceutics
Hasanpour F, Kordyl O, Styrna Z, Jadach B, Osmałek T, Ayaydin F, Budai-Szűcs M, Kovács A, Berkó S.   +8 more
europepmc   +1 more source

Routes to Cyclobutadiene and Cycloallyl Pt(II) Complexes: Dicationic Bis(Alkyne) Species as Intermediates

Chemistry – A European Journal, EarlyView.
This work demonstrates the synthesis of cationic Pt(II) η3‐cycloallyl complexes, and experimental and computational studies show a ligand bite‐angle dependence of their formation rates. The reactivity of these complexes with Brønsted acids was investigated, leading to the formation of cationic and dicationic Pt(II) η4‐cyclobutadiene complexes ...
Ouchan He, Froze Jameel, Y. Einar H. Stampehl, Liza M. Richter, Matteo Tosi, Martin Kaupp, Thomas Braun   +6 more
wiley   +1 more source

Effect of Geometric Design on the Mechanical Performance of Digital Light Processing (DLP)-Printed Microneedles. [PDF]

Micromachines (Basel)
Bedir T, Sahoo SS, Kadian S, Gunduz O, Narayan R.   +4 more
europepmc   +1 more source

Oxidative Generation and Reactivity of the Cyclopropyl Radical From a Martin Silicate

Chemistry – A European Journal, EarlyView.
A photoredox strategy employing Martin silicates enables the oxidative generation and controlled capture of cyclopropyl radicals, including the naked one, long considered challenging intermediates. The method affords functionalized cyclopropanes through both Giese‐type additions and dual nickel/photoredox C(sp3)−C(sp2) cross‐couplings.
Amal Lakhal, Alexandre Millanvois, Louis Fensterbank, Cyril Ollivier   +3 more
wiley   +1 more source

Research on the impact of different teaching methods on students' spatial ability and three-dimensional geometric thinking. [PDF]

Front Psychol
Ma T, Zhang W.
europepmc   +1 more source

VOCs Adsorption and Exchange Properties in Bispidine‐Based Mn(II) 1D CPs Made of Orthogonally Oriented Linear Chains

Chemistry – A European Journal, EarlyView.
Combining the chiral bispidine ligand L1 with MnCl2 affords coordination polymers (CPs) with an unusual topology for this family of compounds, consisting of orthogonally packed ribbon‐like one‐dimensional (1D) chains. Their behavior was investigated through single‐crystal‐to‐single‐crystal exchange with aromatic volatile organic compounds (VOCs) and ...
Meriem Goudjil, Martina Lippi, Sara Camorali, Chiara Pelosi, Alessandro Sayed, Luca Bernazzani, Patrizia Rossi, Paola Paoli, Massimo Cametti   +8 more
wiley   +1 more source

OPAL-Flow: Orientation-aware rice panicle detection and minute-scale anthesis rhythm identification under field conditions. [PDF]

Plant Phenomics
Zhang Y, Mu Y, Guo W, Wang H, Zhou Q, Ding Y, Zhou S, Li G, Ninomiya S.   +8 more
europepmc   +1 more source

Syntheses and Properties of Pentafluoroethylplumbanes in the Oxidation States +II, +III, and +IV

Chemistry – A European Journal, EarlyView.
Syntheses of pentafluoroethyl substituted plumbanes in the formal oxidation states +II, +III, and +IV are reported. The compounds were characterized by multinuclear NMR spectroscopy, including 207Pb NMR spectroscopy, mass spectrometry and single‐crystal x‐ray diffraction experiments. ABSTRACT Mono‐, bis‐, and tris(pentafluoroethyl)plumbanes of the type
Michael Grasse, Lukas Hartmann, Beate Neumann, Hans‐Georg Stammler, Berthold Hoge   +4 more
wiley   +1 more source