For instance, one substance when used alone presents modification in biological responses, i.e. it increases cytokine production by cells, but when combined to another substance the effects on biological responses are annulled (data not published yet).
Our economy and our way of life depend on complex technologies that include toxic substances which, when used without care, can damage sometimes-fragile ecosystems.
On the other hand, PVP is a kind of strong hydrophilic substance and when used as an intermediate the number of hydrophilic sites in the interfacial region increased due to the high absorption of PVP which in turn increased the efficiency of water splitting.
Despite cough syrup's benign over-the-counter reputation, it can be a dangerous substance, especially when used improperly.
Addictive and compulsive disorders are notoriously difficult to treat, particularly when they involve a substance or behavior that, when used or practiced normally, is an essential or important part of life, like eating or sex.
He describes it as "adequate, but not great". That's the unpredictability of vaccine development: A substance that looks promising when used in mice and monkeys may not hold up in humans.
The chemical that gives chilies such a fierce heat is capsaicin, a substance so potent that, when used to make pepper spray, it causes temporary blindness in protesters who've become a little too human rights-y for the police to handle with batons and shields alone.
Such research has capitalized on the strengths of EMA methods for helping understand the moment-to-moment interplay between the precipitants and effects of another substance (e.g., tobacco) when used along with alcohol.
The rat substance P antibody (mAb NC1/34 HL) recognizes a sequence common to substance P and neurokinins A and B (Cuello et al., 1979), but appears to be relatively selective for substance P and neurokinin A when used for immunocytochemistry in these conditions (McLeod et al., 2000; Polgár et al., 2006).
In the United States, the Food and Drug Administration considers caffeine a substance generally recognized as safe (GRAS) when used in 1) cola-type beverages in accordance with good manufacturing practice and 2) stimulant drug products [69 71].
