House-Flies and Disease

Ross, Edward Halford

doi:10.1038/scientificamerican05231914-322supp

Cited by 2 publications

(4 citation statements)

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“…3). Moreover, the lattice parameter values obtained from our SAED patterns analysis (a = 8.9 Å, c = 6.64 Å, b = 113°) matched well those given [38] (a = 9.02 Å, c = 6.65 Å, b = 103°) except for the angle, which was slightly larger. Consistent with acicular particles of about 200 nm in length, a BET surface area of 39 m 2 g -1 was measured.…”

Section: Protocolsupporting

confidence: 85%

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Wet-chemical synthesis of various iron(III) vanadates(V) by co-precipitation route

Poizot

Laruelle

Touboul

et al. 2003

Comptes Rendus. Chimie

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When the solubility products or other thermodynamic data are not known, the optimum experimental procedures for preparing complex mixed oxides/hydroxides can be approximately predicted by extrapolation of the solubility behaviours of individual metal ions in aqueous solutions. This simple approach determined a probable co-precipitation domain ranging from pH = 0.7 to pH = 4 for Fe III -V V -H 2 O system. To control the kinetic aspect of condensation mechanisms in order to obtain crystallized compounds, three different experimental protocols were developed leading to successful syntheses of FeVO 4 • 1.1 H 2 O, Fe 4 V 6 O 21 •3 H 2 O and FeV 3 O 9 •2.6 H 2 O. These vanadates were characterized by X-ray diffraction (XRD), thermal analysis, scanning or transmission electron microscopy (SEM/TEM), and Brunauer-Emmett-Teller (BET) surface area measurements. The results notably revealed that FeVO 4 •1.1 H 2 O and FeV 3 O 9 •2.6 H 2 O have close structural similarities with two minerals fervanite and kazakhstanite, respectively.

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Section: Protocolsupporting

confidence: 85%

“…To pursue our investigations, transmission electron microscopy was performed. Interestingly, as reported by Ross in the case of natural fervanite FeVO 4 •1.25 H 2 O [38], particles were elongated, flattened, and had an exfoliated fibrous morphology (Fig. 3).…”

Section: Protocolsupporting

confidence: 71%

Wet-chemical synthesis of various iron(III) vanadates(V) by co-precipitation route

Poizot

Laruelle

Touboul

et al. 2003

Comptes Rendus. Chimie

View full text Add to dashboard Cite

show abstract

“…Crystalline phases were examined by powder X-ray diffraction and compositions were determined by energy-dispersive X-ray analysis (EDX) for Ba/V atomic ratios, visible-light absorption for V valences, atomic absorption spectroscopy for Ba contents, and thermogravimetry (TG) for water contents. (4) A s , and Z"6. Data collection was made by the 2 -scanning method with a scan width " (1.73#0.30 tan )°up to 2 "80°, in which three standard reflections monitored every 150 data showed no significant intensity fluctuation.…”

Section: Sample Preparationmentioning

confidence: 99%

“…Hewettite and metahewettite were first named in 1914 to CaV O ) 9H O and CaV O ) 3H O, respectively (2). Subsequent extensive studies were carried out in the late 1950s and early 1960s (3)(4)(5)(6)(7)(8)(9)(10) and discovered new members such as barnesite (Na V O ) 3H O) (9), hendersonite (Ca V O ) 6H O) (8) and grantsite (Na Ca V O ) 4H O) (10). In the same period Wadsley (11) determined the structure of -Li >V V O which turned out to have close analogy to the structures of hewettite compounds (7).…”

Section: Introductionmentioning

confidence: 99%