Key Laboratory of Cluster Science of Ministry of Education, School of Chemistry and Chemical Engineering, Liangxiang Campus, Beijing Institute of Technology, Beijing 102488, PR China ...

and the nucleus of chlorophyll is known with certainty to be an isomeric modification of the porphyrin ring. The hémin molecule has essentially the same nucleus, but different side chains.

The night sky offers us a variety of spectacles throughout the year, but for the remainder of the month, we have front-row seats to see—not one or two—but seven planets at once.

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KI-SMMS provides an array of sensitive and specific methods to quantify small molecules in all types of sources. Our main goal is the generation of high-quality mass-spectrometry based data that ...