antimony/carie dentară

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Tc-99m antimony sulfate lymphoscintigraphy to demonstrate lymphatic communication between the peritoneal cavity and the scrotum.

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Lymphatic complications in the groin from inguinal artery surgery include lymphoceles and lymphocutaneous fistulae. Lymphatic fistula between the peritoneal cavity and the scrotum developed in a patient after excision of a cavernous lymphangioma in the inguinal region. The communication was

Elimination of interferences in the determination of arsenic and antimony by hydride generation using molecular emission cavity analysis (MECA).

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Resting dental plaque pH values after repeated measurements at different sites in the oral cavity.

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Plaque pH measurements can be used to detect individual's caries susceptibility and the cariogenic potential of ingested foods. However, repeated measurements with a touch electrode at a single site may affect the metabolic state of the dental plaque and result in changes of its inherent pH values.

Rapid determination of the radiochemical purity of 99mTc-antimony trisulfide colloid prepared by standard and alternative heating methods.

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The purpose of this study was to validate a rapid quality control method for the lymphoscintigraphic tracer 99mTc-antimony trisulfide colloid (99mTc-ATC). METHODS ATC was labeled with 99mTc according to the manufacturer's instructions as well as by alternative heating conditions designed to provide

[The action of carbonated drinks in the oral cavity].

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The effects of 9 popular carbonate beverages, 10% sucrose solution and distilled water on the oral cavity homeostasis were studied in 35 volunteer students of dentistry. pH, viscosity, buffer capacity and sugar concentration were measured in mixed salivary pools, as were salivary excretion rate and

Antimony tartrate transition-metal-oxo chiral clusters.

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A chiral precursor K2Sb2(L-tartrate)2 was used for the assembly of three homochiral heterometallic antimony(III)-tartrate transition-metal-oxo clusters: Mn(H2O)6[Fe4Mn4Sb6(μ4-O)6(μ3-O)2(l-tartrate)6(H2O)8]·10.5H2O (1), [V4Mn5Sb6(μ4-O)6(μ3-O)2(L-tartrate)6(H2O)13]·9.5H2O (2), and

Density functional study of structure and dynamics in liquid antimony and Sbn clusters.

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Density functional/molecular dynamics simulations have been performed on liquid antimony (588 atoms and six temperatures between 600 K and 1300 K) and on neutral Sb clusters with up to 14 atoms. We study structural patterns (coordination numbers, bond angles, and ring patterns, structure factors,

Size-selective incorporation of DNA nanocages into nanoporous antimony-doped tin oxide materials.

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A conductive nanoporous antimony-doped tin oxide (ATO) powder has been prepared using the sol-gel method that contains three-dimensionally interconnected pores within the metal oxide and highly tunable pore sizes on the nanoscale. It is demonstrated that these porous materials possess the capability

Low levels of salivary metals, oral microbiome composition and dental decay

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Salivary microbiome composition can change following exposure to environmental toxicants, e.g., heavy metals. We hypothesized that levels of salivary nutrients and metals would correlate with salivary microbiome composition and be associated with dental decay. Here we assess the salivary

Clinical healing of antimony-resistant cutaneous or mucocutaneous leishmaniasis following the combined administration of interferon-gamma and pentavalent antimonial compounds.

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In an open trial, longer courses of pentavalent antimonials (Sbv) at sub-optimal doses (10 mg/kg body weight), in association with recombinant human interferon-gamma (IFN-gamma) (100 micrograms/m2 of body surface area) were administered, by daily intramuscular injections, to 13 patients with

Absorbed radiation dose of the female breast during diagnostic multidetector chest CT and dose reduction with a tungsten-antimony composite breast shield: preliminary results.

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OBJECTIVE To determine the absorbed radiation dose to the female breast during chest computed tomography (CT), and whether a custom-designed breast shield can reduce that dose. METHODS Bilateral breast phantoms were combined with an anthropomorphic torso phantom. Each breast phantom contained 20

Tunable reflective color filters based on asymmetric Fabry-Perot cavities employing ultrathin Ge2Sb2Te5 as a broadband absorber.

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We demonstrated a tunable structural color filter based on an asymmetric Fabry-Perot cavity employing germanium antimony tellurium alloy Ge2Sb2Te5 (GST) as a switchable ultrathin lossy layer. The color tunability and switch mechanism of our designed structure were investigated by both simulation and

Comparison of methods for monitoring changes in the pH of human dental plaque.

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Changes in human dental plaque pH can be used to obtain estimates of the acidogenic potential of ingested foods. The presence of acid in plaque is influenced by a large number of host, microbial, and substrate factors. Several useful methods have been developed for monitoring changes in plaque pH.

Self-Assembly of a Trithioorthoformate-Capped Cyclophane and Its Endohedral Inclusion of a Methine Group.

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An unusual trithioorthoformate-capped cyclophane cage was assembled via antimony-activated iodine oxidation of thiols as confirmed by ¹ H-NMR spectroscopy and X-ray crystallography. The disulfide bridges can undergo desulfurization with hexamethylphosphorous triamide (HMPT) at ambient

Usefulness of 99mTc-ASC lymphoscintigraphy and SPECT/CT in the evaluation of rare lymphatic disorders: Gorham-Stout disease, lymphangioma, and lymphangioleiomyomatosis

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The purpose of this study was to investigate the role of Tc-antimony sulfide colloid (ASC) lymphoscintigraphy and single photon emission computed tomography/computed tomography (SPECT/CT) in the evaluation of rare lymphatic disorders, including Gorham--Stout disease (GSD), lymphangioma, and

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