The use of metal-based heterogeneous catalysts for the degradation N-containing organic dyes has attracted much attention due to their excellent treatment efficiency and capability. Here, we report synthesis heterometals (Ni Pd)-incorporated Fe3O4 (Ni-Pd/Fe3O4) yolk-shelled nanospheres catalytic reduction using a facile combination solvothermal high-temperature annealing steps. Benefiting from ...

American kestrels (Falco sparverius) were randomly paired and fed 0, 10, or 50 ppm metallic lead in their diet from November 1979-May 1980. Lead levels were elevated in bones and livers of birds receiving the treated diets, particularly the 50 ppm treatment group. Differential deposition of lead was noted between males and females, with 'l-te highest levels in the females. No adverse effects er...

Here we report on the first discovery of shelled eggs inside the body cavity of a fossil turtle and on an isolated egg clutch, both referable to the Cretaceous turtle Adocus. These discoveries provide a unique opportunity to gain insight into the reproductive traits of an extinct turtle and to understand the evolution of such traits among living turtles. The gravid adult and egg clutch indicate...

The eggshell is an important physiological structure for the embryo. It enables gas exchange, physical protection and is a calcium reserve. Most squamates (lizards, snakes, worm lizards) lay parchment-shelled eggs, whereas only some gekkotan species, a subgroup of lizards, have strongly calcified eggshells. In viviparous (live-bearing) squamates the eggshell is reduced or completely missing (he...

Rotavirus is the leading causative agent of severe diarrhea among children.1 The rotavirus genome consists of 11 double-stranded RNA (dsRNA) segments enclosed in a double-shelled capsid. The outer shell is composed of a major glycoprotein (vp7), which defines the rotavirus serotype specificity. Nucleotide sequence analysis of vp7 cDNAs from different isolates indicates the presence of variable ...

Here, we show how the mechanical properties of a thick-shelled tropical seed are adapted to permit them to germinate while preventing their predation. The seed has evolved a complex heterogeneous microstructure resulting in hardness, stiffness and fracture toughness values that place the structure at the intersection of these competing selective constraints. Analyses of different damage mechani...

introduction: hyperlipidemia is a risk factor for atherosclerosis and cardiovascular diseases. nuts such as almonds are high in unsaturated lipids and antioxidants. some studies indicate that nuts have beneficial effects on cardiovascular system. therefore, the aim of this study was evaluation of the effectiveness of shelled almonds on reduction of blood lipid and lipoprotein levels in hyperlip...

Twenty-nine mollusk species from Late Jurassic to Eocene hydrocarbon seep deposits from California (USA), Japan, New Zealand, and Barbados are described and illustrated. Twenty species belong to Gastropoda and nine to Bivalvia. Seven new species, three new genera, and one new family are introduced. The gastropod Hikidea gen. nov. includes smooth-shelled Cantrainea-like colloniins from Cretaceou...

Pelodiscus sinensis, commonly known as the Chinese soft-shelled turtle, possesses abundant collagen, proteins, and amino acids in its shell muscle. sinensis has been historically utilized a valuable traditional medicine. While consume meat of internal visceral organs are typically discarded. The contain components, including 8%-15% collagen 8% blood. This study focused on extracting from organs...

Polyacrylamide gel electrophoretic analysis of purified preparation of the simian rotavirus SA-11 indicated eight polypeptide components that migrated in a manner remarkably similar to those of the previously characterized human and calf rotaviruses. Analyses of preparations of single-shelled and double-shelled particles of human, calf, and simian an rotaviruses have also permitted assignment o...