There has been much research into autism or autistic spectrum disorder (ASD) and room for considerable conjecture regarding the etiology of these disorders remain. ASD is marked by a complex interaction between environmental factors and genetic predisposition, including epistasis. This manuscript argues that changes in oxidative metabolism, thiamine homeostasis, heavy metal deposition and cellu...

The objective of this study was to assess the effects of heavy metals on microbial decomposition of cellulose in heavy metal-contaminated soils using a cotton strip assay. The assay is a measure of the potential of soil microorganisms to decompose the plant polymer, cellulose. Cellulolytic activity in soil was assessed by determining the reduction in tensile strength of the buried cotton strips...

the natural teeth are the most durable organs in the bodies of vertebrates, and humankind’s understanding of their own past and evolution relies heavily upon remnant dental evidence found as fossils. the use of features unique to the human dentition as an aid to personal identifi cation is widely accepted within the forensic fi eld. comparative dental identifi cations play a major role in ident...

cation exchange capacity and specific surface area are among some of the important soil characteristics the direct measurement of which is laborious, costly and time consuming. therefore, fractal dimension of particle size distribution has been widely studied in relation with many such dynamic and static processes as transmission of water and solutes, water holding capacity, heat storage and co...

There are now several reliable methods for estimating stable pa rameters from data However little attention has been paid to model veri cation i e how to assess whether the stable parameters esti mated actually do a good job of describing the data We analyze sev eral heavy tailed data sets and demonstrate diagnostics for assessing both univariate and multivariate stable ts to data sets Multivar...

The title compound, [Pr(H(2)O)(9)]I(3)·2CS(NH(2))(2), an adduct of nona-aqua-praseodymium triiodide with two thio-urea mol-ecules, is composed from [Pr(H(2)O)(9)](3+) cations (polyhedron: monocapped tetra-gonal anti-prism), noncoordinated thio-urea mol-ecules and iodide anions. The components are evidently connected by hydrogen bonds but in the presence of heavy atoms water H atoms have not bee...

The Cation Diffusion Facilitators (CDFs) form a family of membrane-bound proteins capable of transporting zinc and other heavy metal ions. Involved in metal tolerance/resistance by efflux of ions, CDF proteins share a two-modular architecture consisting of a transmembrane domain (TMD) and C-terminal domain (CTD) that protrudes into the cytoplasm. Discovery of a Zn²⁺ and Cd²⁺ CDF transporter fro...

The title compound, [Bi(C(8)H(18)PS(2))(3)], contains a Bi(III) cation surrounded by three bis-(2-methyl-prop-yl)dithio-phosphinate anions, leading to a distorted octa-hedral coordination for the heavy metal. The Bi-S and S-P bond lengths are in the ranges 2.7694 (18)-2.8391 (17) and 2.019 (2)-2.035 (2) Å, respectively. The crystal structure is consolidated by C-H⋯S hydrogen bonds. Intra-molecu...

We present a simple general method for estimating the thickness of heavy tails based on the asymptotics of the sum. The method works for dependent data, and only requires that the centered and normalized partial sums are stochastically compact. For data in the domain of attraction of a stable law our estimator is asymptotically log stable, consistent and asymptotically unbiased, and converges i...