Single-atom catalysts are a promising class of catalytic materials, but general synthetic methods are limited. Here, the authors develop a ligand-mediated strategy that allows the large-scale synthesis of diverse transition metal single atom catalysts supported on carbon. Hongzhou Yang Lu Shang Tierui...
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The other prototypical class of mechanically interlocked molecules is represented by rotaxanes. Rotaxanes consist of two main molecular components: a rod-shaped molecule, the axle, threaded through a macrocycle, the wheel. The presence of two bulky groups – the stoppers - at the ends of the ...
15N Schiff bases (see scheme) have been demonstrated to be a new class of substrates effectively hyperpolarized by Signal Amplification by Reversible Exchange (SABRE). Abstract Full text PDF References Request permissions Protein Crystal Structures Structural Basis for Bulky-Adduct DNA-Lesion ...
Lindquist N, Fenical W, Van Duyne GD, Clardy J (1988) New alkaloids of the Lamellarin class from the marine ascidianDidemnum chartaceum. J Org Chem 53:4570–4574 CASGoogle Scholar Carroll AR, Bowden BF, Coll JC (1993) Studies of Australian ascidians. I. Six new lamellarin-class alkaloid...
12 Q1 21. A solution has pH = 8. If the solution is divided into two equal parts, the pH value of each part will be: 4 8 12 We cannot predict Q1 22. Neutralization occurs when: We mix an acidic with an alkaline solution We mix two neutral solutions We add water to an acidi...
Chemla introduced the concept of molecular engineering to the field of organic NLO while examining the differences in NLO properties of a class of molecular NLO crystals in 1976[3]. In the area of organicNLO materialsdevelopment, molecular engineering has been referred to two uniquely different, bu...
various botanical origins were affected to variable degrees when it was treated with alkaline solution. select article Aroma compounds generated from thermal reaction of l-ascorbic acid with l-cysteine Research articleAbstract only Aroma compounds generated from thermal reaction...
A class of non-precious metal composite catalysts for fuel cells. Nature 443, 63–66 (2006). CAS PubMed Google Scholar Chen, Y. et al. Isolated single iron atoms anchored on N-doped porous carbon as an efficient electrocatalyst for the oxygen reduction reaction. Angew. Chem. Int. Ed. ...
Here we develop room-temperature-solution (20 °C) and low-temperature-solution (80 °C) synthesis procedures for a new class of metal halide perovskite high-entropy semiconductor (HES) single crystals. Due to the soft, ionic lattice nature of metal halide perovskites, these HES single ...