We have conducted experiments to better understand the extent to which radiation-induced color changes observed at near-ultraviolet through near-infrared wavelengths for various salts could provide insight into the composition of the nonice material(s) on the surface of Europa's trailing he...

A developed, direct, rapid, and sensitive spectrophotometric determination of beryllium in beryl minerals with Chrome Azurol S (CAS) as a chromogenic reagent was developed in the present article. The determination was performed without either solvent extraction or ion exchange separation of bery...

The reduction of rhodium(III)/2,2′-bipyridine (1/2) solutions with sodium borohydride in methanolic media is considered to proceed via labile hydrido-intermediates, one of which may be trapped by the addition of triphenylphosphine. Addition of organic halides, RX, to the medium results in the f...

Complexes of rhodium(III) with the substituted nucleobases 6-methyluracil, 6-methyl-2-thiouracil and 2-thiouracil have been prepared. They have been subjected to thermal degradation studies and the pathway for decomposition has been correlated with their structure. The results are compared to ot...

The reaction of rhodium trichloride trihydrate and trans, trans, trans-1,5,9-cyclo- dodecatriene in boiling ethanol yields the red, diamagnetic dichloro(cyclododeca-1,5-dienyl)rhodium(III), insoluble in all common organic solvents.This compound is polymeric through chlorine bridges and reacts wi...

The structure of the title compound has been found by single-crystal X-ray analysis to be a 4.5 hydrate, isomorphous with the rhodium and iridium analogs (triclinic space group P1, a = 6.813(5),b = 10.519(1), c = 12.470(2) Å, α = 76.28(1)°, β = 84.26(1)°, γ = 85.60(1)°, Z = 2). The structu...

The green solid Cs2[RhCl6], generated in aqueous media using acidic ammonium hexanitrocerate(IV), (NH4)2[CeIV(NO3)6], is as formulated. It has the d5 configuration for rhodium. Evidence for the RhIV ions in the freshly prepared solid—and for RhIII ions in the solid and aqueous solution after de...

A new procedure for the synthesis of K4Ru(CN)6 is detailed. The synthesis involves bromine oxidation of an aqueous solution of ruthenium chloride, conversion of the perruthenate to ruthenate with base, and reaction of ruthenate with cyanide ion. Good yields (77%) of pure compound are obtained.

The surface of an aluminum (Al) electrode was modified with a thin film of nickel hexacyanoruthenate (NiHCR) as a novel electrode material. The modification procedure of Al surface, includes two consecutive procedures: (i) the electroless deposition of metallic nickel on the Al electrode surface...

Enantioselective bioreduction of alkyl 2-oxo-4-arylbutanoates and 2-oxo-4-arylbut-3-enoates mediated by Candida parapsilosis ATCC 7330 resulted in the formation of the corresponding (S)-2-hydroxy compounds in high enantiomeric excesses (93–99%) and good isolated yields (58–71%). The absolute c...

The synthesis of metallophthalocyanines [6–9; M = Ni(II), Zn(II), Co(II) and Cu(II)] with four 1,2,4-triazole units obtained from 4-{(4-chloro-2-fluorobenzyl)[3-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazol-4-yl]amino}phthalonitrile (5) in the presence of dimethylaminoethanol and the cor...

(R)-2-Chloro-1-(3-chlorophenyl)ethanol is a key pharmaceutical intermediate in the synthesis of 3-adrenoceptor receptor (3-AR) agonists. The asymmetric reduction of 2-chloro-1-(3-chlorophenyl)ethanone to (R)-2-chloro-1-(3-chlorophenyl)ethanol catalyzed by resting cells of Candida ontarioensis wa...

Adsorption of basic dyes, basic blue 26 (BB26), basic green 1 (BG1), basic yellow 2 (BY2) and basic red 1 (BR1) onto activated carbon surfaces were investigated. Activated carbons (ACs) were produced by thermal treatment at 800 °C, oxidation with HNO3 6 M and chemical activation with H3PO4 at 4...

Methylene blue (MB) is representative of a class of dyestuffs that are resistant to biodegradation. In this study, MB was degraded in an aqueous suspension of SrFe12O19 powder under visible illumination. SrFe12O19 is a type of traditional magnet and its semiconductor characteristics were elucida...

Beach Certification Schemes (BCS), especially the Blue Flag (BF), have received increasing attention in the literature. The critics of BF focus their attention on aspects that certification was not designed for, confusing its role as a beach management tool with a panacea for all challenges face...

A modification of brick waste by acid or base solutions was carried out to enhance its physicochemical properties. Treating brick waste with acid did not improve the removal capacity of basic blue 41. However, treating the brick waste with base increased its removal capacity two fold. The adsorp...

For the present study, Vat Green 1 dye has been selected for dyeing gamma irradiated cellulosic fabric. The dyeing variables such as dyeing temperature, dyeing time and dyeing pH were optimized. Concentrations of sodium hydrosulphite for reduction process and hydrogen peroxide for oxidation proc...

Vat photopolymerization is a prominent additive manufacturing technology for the fabrication of near-net shape ceramic parts. To serve the high tech industry’s needs, additive manufacturing equipment has to scale up to larger product sizes and higher, repeatable product quality. This motivates ...

Targeted delivery of antiosteoarthritic drugs is now an emerging field. Therefore Diacerein laden nanoemulsion with Glucosamine sulphate as homing carrier was prepared to combat against osteoarthritis by the synergistic effect of both the drugs. For this study a nanoemulsion system was composed ...

Chondroitin sulfate and glucosamine, commercialized as anti-osteoarthritis food supplements, do not undergo the strict quality controls of pharmaceuticals. In this paper a systematic multi-analytical approach was designed to analyse 25 food supplements from 8 European countries compared to 2 pha...