Other Studies Considered

NHANES n, mortality study (n = 3,592), 203 c cer deadis, average 13.3 y of followup 

Women (65-87 y old) enrolled in Study of Osteoporotic Fractures in two US rese uch 

Nested case-control study of male smokers in Alpha-Tocopherol, Beta-C u-otene Cancer Prevention Stu  

Measured BLL in range lowCT than current OSHA standard, but higher than current population level 

Exposure assessed through occupational questionnaires and job exposure matrix, compared exposed vs unexposed 

---

Although Dessus et al. (1992) do not consider competition of energy crops with food production, the estimated bioenergy potential (wood, energy crops and waste) of 7620 PJ/year by 2020 is lower than in the other studies considered for the respective timeframe. 

The only other study considered for deriving a chronic inhalation MRL was the epidemiological study by Alexandersson et al. (1987). Although the study showed promise as a hmnan epidemiology study, these workers were exposed to the HDI monomer as well as to the HDI pre-polymers (biuret trimer). The study did not distinguish between the effects produced by the monomer versus the polymer therefore, since this was a combination/mixture exposure, it was not considered appropriate for use in determining a... 

Although the sampling methodology of Falesi s chronosequence study has been criticized (see Hecht 1982), other studies considering the dynamics of soil fertility in pasture areas in the Amazon basin found similar results (Diez et al. 1991, Hecht 1982,... 

Other Studies Considered Mood and Occupational Lead Exposure... 

Other Studies Considered Erythrocyte Survival and Anemia... 

Other studies considered specifically the effect of the alcohol on the kinetics of micelle formation/break-down.92>i i -i 2 Spectacular changes of the relaxation time T2 were evidenced. Note, however, that the three relaxation processes expected for a mixed surfactant + alcohol system were evidenced and investigated for only the tetradecyltrimethy-lammonium bromide (TTAB)/l-pentanol system. ... 

These and other studies of the relative substituent effects of X and CH X in nitration were considered in terms of the transmission factor a of the methylene group. To avoid complications from conjugative interactions, attention was focussed mainly on substitution at the meta-position, and ct was defined in terms of partial rate factors by the equation ... 

Dioxane is an impurity present in alcohol ethoxy sulfates formed during sulfation of the ethoxylated alcohol. 1,4-Dioxane is a carcinogen in rats and mice [312-314] and has been considered as a possible carcinogen to humans [315-317]. However, the no-effect dose in rats is equivalent to a daily intake of dioxane of 9.6-19.0 mg/kg/day, which corresponds to 0.672 g/day for humans. In other studies it has been determined that the threshold for onset of human toxicity of 1,4-dioxane lies above an intake of 76 mg/kg in adult males [318]. Although it seems to be demonstrated that amounts up to 1000 ppm of... 

Many in vitro studies have been undertaken to explore the relative effectiveness of isothiocyanates, and associated compounds, as inhibitors of cell growth and inducers of apoptosis in cell lines, and some of these are summarised in Table 4.2. Clonal survival studies are often used to determine whether isothiocyanates inhibit initial cell anchorage and subsequent growth of sparsely seeded cells. However, differences in cell number following challenge with the isothiocyanate could be due either to decreased cell division or increased cell loss, and the authors of some in vitro studies have failed to recognise this. Other studies have, however, considered the interacting... 

A 52-week study in monkeys was designed to evaluate ocular effects. Despite the absence of adverse toxicological effects at the highest dose tested (20 mg/kg body weight per day), the study was considered inappropriate for the establishment of an ADI in view of the much higher doses used in several other studies and found to be without effects. The available comparative toxicokinetic data for humans and rats indicated that studies of toxicity in rats could be used to derive an ADI. 

Peroxybenzoic acid readily oxidizes aryl and alkyl sulphoxides in acetone, methylene chloride or chloroform solutions, to the sulphone in high yield . The reaction is second order and acid catalysed as is the reaction with peracetic acid . The rate of oxidation is about five times faster than when peracetic acid is used. Other work considering the oxidation of sulphoxides with peracids gathered kinetic evidence and showed that the reaction was indeed second order and that the reaction involved nucleophilic attack by the sulphoxide sulphur atom on the peracid moiety. A further study by the same authors showed that with benzyl and phenyl alkyl sulphoxides the rate of reaction was very sensitive to the inductive effect of the alkyl group. Support for the nucleophilic attack by the sulphur atom on the peracid in acidic solution was forthcoming from other sources . ... 

Chesniuk et al. studied the transfer of alkali and alkaline-earth cations across phospholipid monolayers at water-1,2-DCE macrointerfaces by cyclic voltammetry. These authors considered the effect of the cation nature, the concentration of the transferring ion, and the applied potential (at the positive end of the polarization window), and noticed either an enhancement of the current or a blocking of the transfer process [13,14]. The enhancement factors observed were very much larger than in other studies, especially at... 

The suggestion recently made by Heumann et al. (2002) that U-Th crystallization ages in Long Valley rhyolites can reflect crystallization of accessory minerals like zircon or allanite and not of major minerals, needs to be seriously considered in other studies as... 

Two other molecules considered in the same context, but with proton affinities larger than ammonia, were pyridine (C5H5N) and trimethylamine (TMA) (CH3)3N whose proton affinities are 220.8 cal mol-1 and 225.1 cal mol-1, respectively.190 Metastable decomposition studies of NH3(C5H5N)mH+ (m = 1-5) yield the following results ... 

The cycle rank completely defines the connectivity of a network and is the only parameter that contributes to the elasticity of a network, as will be discussed further in the following section on elementary molecular theories. In several other studies, contributions from entanglements that are trapped during cross-linking are considered in addition to the chemical cross-links [23,24]. The trapped entanglement model is also discussed below. 

---