However, complete utilization of C6 and C5 sugars is greatly inhibited by toxic components introduced, or generated during pretreatment, i.e., furfural, HMF, acetate, ammonia, and sulfate [ 2].
Particles within cells are not membrane bound and hence have direct access to intracellular proteins, organelles, and DNA, which may greatly enhance their toxic potential.
The results in Figure 6 show that pretreating animals with Q and Qn can greatly reduce the toxic activity of sPLA2.
Additionally, TCDD also causes induction of TNF-α production as an autocrine factor (Charles and Shiverick 1997), which appears to contribute greatly to the toxic manifestation of TCDD in mice (Taylor et al. 1992).
Building techniques aimed at airtight environments reduce heat loss but greatly increase exposure to toxic substances released within the home.
The conclusion that neurobehavioral effects can be caused by the relatively low lead exposures in Denmark may not be surprising, as current exposures to this toxic metal greatly exceed the prepollution levels to which the human body originally adapted.
The softer waters in the HEA are acidic in character and could well contain a number of toxic substances greatly in excess of the levels presented, such as Cd and Pb.
But it is not known whether colposcopy can detect all toxic effects that greatly increase susceptibility to HSV or HIV.
Although chemotherapy and radiation can greatly improve survival, they are toxic and often cause side effects that remain even after treatment is completed [ 2, 3].
Additionally the toxicity of some of the extracts/active ingredients was tested in a range of animal system which revealed that most of them had diverse side effects and toxic doses varied greatly [ 28- 30].
