Anecdotally, this may seem obvious, but until recently studies of addictive substances focused only on the brain's reward system.
This review article examines the suggested molecular mechanisms affected by these substances focusing to a large extent on prostate cancer and deliberates on the disparate results obtained from cell culture, preclinical and clinical studies in an effort to highlight the use of whole extracts and isolated constituents for intervention.
The current paradigm for the assessment of the health risk of chemical substances focuses primarily on the effects of individual substances for determining the doses of toxicological concern in order to inform appropriately the regulatory process.
But then the show ends up paying very little attention to substance, focusing instead on similarities of style, script and image that lie more on the surface of these texts.
He has also managed to give his work substance and meaning, focusing on the impact of history on contemporary life.
Also, knowing that "stripes" need to be prevented from forming can guide engineers and scientists in choosing what substances to focus on and how to boost the temperature of superconductors even further.
In this model the "substances" we focus on are enzymes, such as β-lactamase, that break down β-lactam antibiotics (e.g.,ampicillin).
It's in the passages dealing with his fleeting moments of self-discovery that we find the substance and focus that the bulk of the novel so conspicuously lacks.
Here, we review research on the role played by microbial extracellular polymeric substances (EPS), focussing on bacterial and cyanobacterial EPS.
This view, which elevates style over substance, does focus attention of a very real problem for anyone who wants to sell a product, service, idea or belief.
