The resonance Raman spectrum of ultramarine has been studied as a function of pressure up to 5 GPa. The overtone progressions of the ν1 fundamental and the combination bands of S3- and the ν1 band of S2- were measured and the pressure dependences were determined. The symmetric stretching mode ...

Buildings are responsible for at least 40% of energy use in most countries. High reflectance outdoor coatings can bring significant energy savings for building applications. In this context, ultramarine blue pigment (UB) has been modified to increase its near infrared reflectance by depositing a...

Colour solutions and functional coatings provider Ferro Corp is making investments in its Ferro Pigments business in order to raise manufacturing capacity and optimize production of its ultramarine pigments product lines. The ‘comprehensive programme’ of improvements will be implemented global...

Ultramarine is a synthetic analogue of lazurite, so called lapis lazuli. It was applied first of all as a pigment of lime- and gypsum-based plasters of folk architecture. Ultramarine is still used as a pigment of building materials, and, it may act as a non-traditional pozzolanic material as wel...

Mono-cyclopentadienyl complexes CpVX2(PR3)2 and Cp′VX2 (PR3)2 (Cp = η5- C5H5; Cp′ = η5-C5H4Me; R = Me, Et; X = Cl, Br) have been prepared by reaction of VX3(PR3)2 with CpM (M = Na, T1, SnBun3, 1/2 Mg) or Cp′Na. Attempts to prepare analogous complexes with other phosphine ligands, PPh3, PPh2...

Six borabenzene derivatives of vanadium are described. Reaction of the alkali metal borinates M(C5H5BR) (M = Na, K; R = Me, Ph) with VCl3 yields the paramagnetic, sandwich complexes V(C5H5BR)2. Reaction with HgCl2 and [Na{O(CH2CH2OCH3)2}2][V(CO)6] affords the tetracarbonyl compounds V(CO)4(C5H5B...

The vanadium imido complex ArNVCl3 (2) (Ar = 2,6-C6H3(1Pr)2) can be converted to the half-sandwich imido vanadium complex CpV(NAr)Cl2 (3) by reaction with CpSiMe3. Reaction of 3 and of CpV(N-p-tolyl)Cl2 (1) with alkylating reagents did not allow the isolation of the pure dialkyl complexes but ...

Rationale and objectivesDedicated contrast agents are now available for contrast-enhanced magnetic resonance angiography (CE-MRA). This study retrospectively compares the safety and diagnostic performance data from Phase III regulatory trials performed to evaluate gadobenate dimeglumine (MultiHa...

To determine the impact of single and cumulative doses of MultiHance on toxicity, pharmacokinetics, tissue gadolinium presence, behavior and neurological function in juvenile rats. Juvenile male and female rats received either physiological saline or MultiHance at 0.6, 1.25 or 2.5 mmol/kg bodywe...

BackgroundCMRA in pediatrics remains challenging due to the smaller vessel size, high heart rates (HR), potential image degradation caused by limited patient cooperation and long acquisition times. High-relaxivity contrast agents have been shown to improve coronary imaging in adults, but limited...

PurposeTo retrospectively compare a reduced dose (RD) (0.075 mmol/kg) of gadobenate dimeglumine (RD-gadobenate) with standard single dose (SSD) (0.1 mmol/kg) of gadoterate meglumine (SSD-gadoterate) for cranial MRI.

PurposeTo investigate the efficacy and adequacy of enhancement employing 0.025 mmol/kg of gadobenate dimeglumine at 1.5 Tesla (T), and to compare the extent of enhancement of this dosage between 1.5 T and 3 T systems.

Magnetic resonance imaging (MRI) has a well-established role as a highly specific and accurate modality for characterizing benign and malignant focal liver lesions. In particular, contrast-enhanced MRI using hepatocyte-specific contrast agents (HSCAs) improves lesion detection and characterizati...

AimTo perform an intra-individual comparison of the frequency of respiratory-motion artefacts on magnetic resonance imaging (MRI) in cirrhotic patients following injection of gadoxetate disodium and gadobenate dimeglumine.

SummaryObjectiveTo prove superiority of blood pool contrast agent gadofosveset over conventional contrast agent gadobenate dimeglumine for assessment of stenotic internal carotid artery (ICA).

The antibiotic, Trichomycin, proved to be highly effective as a self-administered therapeutic agent for the purpose of eliminating yeastlike fungi from the vaginal flora of pregnant women, and for establishing relief from subjective symptoms coincident with such infections.Although recrudescence...

A high-performance liquid chromatographic method for the separation of individual components of polyene macrolide antibiotics has been developed. The three heptaene macrolide antibiotics, candicidin, levorin and trichomycin, have been investigated and compared. In all instances these compounds p...

The structure of trichomycin A, a polyene macrolide of the aromatic heptaene subgroup, was determined on the basis of chemical and spectroscopic evidence.

Black tea accounts for nearly 80% of total World tea production. It contains dimeric flavanols and polymeric polyphenols known as theaflavins (TF) and thearubigins (TR). TR is exclusively present in black tea. On the basis of our previous potent antimutagenic and anticlastogenic effects of TF an...

The two most important chemical groups that decide the liquor characteristics of black CTC (cut, torn and curled) tea are theaflavins (TF) and thearubigins (TR). Hence, a quick estimation of concentration of these compounds can significantly contribute to the evaluation process for the quality o...