2017年3月6日 · Protomer (chemistry) vs. monomer (special oligomer): The monomer definition here seems to be a bit vague, but in the loosest sense, every single molecule is a monomer. …

2016年10月2日 · I was wondering why arginine cannot be protonated at $\\mathrm{pH\\ 0}$ on all the $\\ce{N}$ atoms in the side chain, as they all have a free electron pair. As this image …

2014年7月29日 · Surprisingly, there are very few resources online (outside of obscure lab pages) that explain exactly what standardization is (not even Wikipedia!). The context is the phrase …

2017年10月15日 · Proteins are thought of as long polyamide chains. This long chain of amino acids is known as the primary structure.

As you noted, "pipettes are either calibrated 'to deliver' (TD) or 'to contain' (TC)." Because a bit of solution typically remains in pipettes, TC pipettes must be blown out.