Taking the first few steps towards recovering from your opiate addiction is huge. No matter how you ended up with your opiate addiction, you can always take steps to get clean. However, an important first step is to understand what to expect during your first week or two of opiate withdrawal.
With anticoagulant = plasma (still has soluble fibrinogen). Without anticoagulant = serum ( fibrinogen has been converted into insoluble fibrin in clot and is spun down with cells). Source(s): Medical Scientist. liz down under Â· 9 years ago.
They're also the prized attributes of skin care serums -- light, fast-absorbing liquids used as an alternative or in addition to creams or lotions. The biggest difference between a serum and a cream or lotion is what the formulation doesn't include.