Unidentified substances in acetic acid column eluates, obtained in the determination of serum thyroxine by column chromatography with the anion-exchange resin Dowex-1, prevented the direct determination of thyroxine by interference with the iodidecatalyzed ceric-arsenite reaction. Pretreatment of the eluates with Br2 or Cl2 eliminated the interference and permitted the direct assay of thyroxine...

The expression of a Balbiani ring 1 gene that codes for a salivary gland-specific 180-kD secretory polypeptide (sp180) is regulated developmentally. Immunoblots of salivary gland protein incubated with an affinity-purified nonapeptide-reactive antibody demonstrated that the salivary gland content of sp180 increases as much as 10-fold between stages 8 and 10 of the fourth larval instar. Hybridiz...

The performance of local correlation methods is examined for the interactions present in clusters of bromine with water where the combined effect of hydrogen bonding (HB), halogen bonding (XB), and hydrogen-halogen (HX) interactions lead to many interesting properties. Local methods reproduce all the subtleties involved such as many-body effects and dispersion contributions provided that specif...

Aqueous Zn-based hybrid supercapacitors (ZHSs) are promising energy storage devices, benefiting from their safety, high power density, low-cost and environmental benignity. However, the major issues of Zn dendrites low density severely hinder further rapid development. Herein, a multifunctional decoupled additive, 1-methyl-1-ethyl pyrrolidinium bromide (MEP?Br), is proposed to update traditiona...

Die Erzeugung von Br2 durch die Oxidation Bromid-Ionen an der Anode und Reduktion molekularem Sauerstoff Kathode zu H2O2 führte in Summe zur zwei Molekülen (=Vier-Elektronen-Oxidation), wobei lediglich Elektronen Lösung geschickt wurden. Das molekulare Brom wurde Bromierung Alkenen genutzt, woraufhin eine lineare gepaarte Elektrolyse verwirklicht wurde, welche Stromausbeuten bis 200 % aufweist....

A series of benzobisimidazolium salts have been prepared and treated with [PtCl2(dppe)] or [PtCl2(dmpe)] in the presence of sodium acetate to yield dinuclear dicarbene-bridged complexes of the type [(P^P)(X)Pt(benzodicarbene)Pt(X)(P^P)](X)2 [5]Br2-[11]I2. The reaction of compounds [7]Br2 and [11]I2 with AgPF6 in acetonitrile led to the exchange of the metal-bound bromo or iodo ligands for aceto...

Riparian zones can strongly influence the exchange of nutrients between streams and their watersheds. Most riparian studies have been done in mesic watersheds, which differ significantly from arid-land watersheds hydrologically. The goals of our work were to determine the strength and direction of hydrologic linkages between stream and riparian zone, and to estimate the extent of uptake of stre...