Results 91 to 100 of about 86,227 (258)
Photosensitizing Au(I) Catalysis With Coumarins
A Au(I) complex with a tethered coumarin fragment was synthesized and characterized by UV‐vis and emission spectroscopy. Its ability to facilitate photo‐driven cross‐coupling reactions through single‐electron and energy transfer events was evaluated. ABSTRACT Gold catalysis shows versatility in a wide range of challenging transformations, wherein light‐
Liliana Capulín Flores +2 more
wiley +1 more source
The synergic action of ascorbic acid and NHC^N ligands enables Au(I) oxidation with electron‐rich aryldiazonium salts. ABSTRACT The synergistic action of ascorbic acid and NHC^N ligands enables the challenging oxidation of Au(I) with electron‐rich aryldiazonium salts in the absence of a cocatalyst and/or irradiation. EPR, NMR, and x‐ray analyses reveal
Paula G. Cárdenas‐Cárdenas +7 more
wiley +1 more source
Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas +2 more
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ABSTRACT Using an integrated framework that combines the natural resource‐based view with contingency theory, this study examines how environmental management control systems (EMCS) build multinational firms' environmental capabilities and balance their environmental and economic performance while accounting for cross‐country contextual conditions.
Kimitaka Nishitani +4 more
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This paper aims to explore research analyzing the relationship between Social Support and Psychological Well-being in Older Adults from the perspective of Positive Psychology.
Ezequiel Martín Patri +3 more
doaj +1 more source
Ainda são sentidos os reflexos da euforia em torno das chamadas empresas “ponto-com”. Elas prometeram nada menos que uma revolução nos modelos de negócio e de relacionamento com clientes. Depois do estouro da bolha, deixaram um rastro de frustrações e prejuízos. Mas há exceções.
openaire +2 more sources
The Effect of Electrolyte pH and Impurities on the Stability of Electrolytic Bicarbonate Conversion
The performance of bicarbonate electrolysis is largely controlled by the electrolyte inlet pH, the distance between the membrane and electrode, and the impurities present in the electrolyte. By complexing trace metal ions with ethylenediaminetetraacetic acid (EDTA), stability can significantly be improved and longer term operation can be achieved ...
Iris Burgers +3 more
wiley +1 more source
Internationalising the teacher education curriculum: An analysis of syllabi and student experiences
Abstract Internationalisation has increasingly become a key dimension of quality in initial teacher education (ITE) programmes. Although it is recognised as a means to strengthen future teachers' competencies and expand their professional knowledge, it remains underdeveloped in practice.
Nafsika Alexiadou, Mai Trang Vu
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Role of selenium in the pathophysiology of cardiorenal anaemia syndrome
Abstract Chronic kidney disease (CKD) and cardiovascular disease (CVD) have multiple bidirectional mechanisms, and anaemia is one of the critical factors that are associated with the progression of the two disorders [referred to as cardiorenal anaemia syndrome (CRAS)].
Shigeyuki Arai +2 more
wiley +1 more source
Phosphine oxide reduction with silanes is governed by phosphine oxide distortion and silane interaction energies. In R3SiH silanes, NBO analysis reveals that n(O)→σ*(SiR) donation is distributed among several acceptor orbitals, whereas in Ph2RSiH silanes, small electronegative substituents directly bonded to silicon (RCl, OCN, OH) enhance the σ ...
Leonardo I. Lugo‐Fuentes +4 more
wiley +1 more source

