Scientists have long considered ketones (a fundamental chemical class) and esters (molecules formed when an acid reacts with ...

Ester Vivian Griego Please join us to honor our mother, a small service will be held at our home before spreading her ashes.

Aberdeen have been dealt a blow with news that Gavin Molloy and Ester Sokler will both spend an extended spell out with ...

Aberdeen defender Gavin Molloy will be out until May while striker Ester Sokler faces eight weeks on the sidelines, the club have confirmed. Defender Molloy requires surgery on a shoulder injury ...

Biotin-PEG10-NHS ester是一种结合了生物素、聚乙二醇和N-羟基琥珀酰亚胺酯的化合物。PEG10链段提供了良好的水溶性和柔性，有助于减少生物分子之间的相互作用和聚集；NHS ...

TCO-PEG8-NHS ...