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The effect of lactic and acetic acid on the formation of artificial caries lesions.

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Fluoride specifically adsorbed to hydroxyapatite reduces the rate of dissolution of hydroxyapatite. Since specific adsorption is a property which anions of all weak acids have in common, it is expected that the anions of lactic and acetic acid will be specifically adsorbed to hydroxyapatite too and

Prospective randomised single-blind controlled trial of glacial acetic acid versus glacial acetic acid, neomycin sulphate and dexamethasone spray in otitis externa and infected mastoid cavities.

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OBJECTIVE The literature reports the merits of antibacterial, antibiotic and steroid agents in treating otological infections but no controlled clinical trial has directly compared 2% glacial acetic acid (EarCalm; Stafford-Miller Ltd, Brentford, UK) against 2% glacial acetic acid, 0.1% dexamethasone

A model for the shuttle motions of puerarin and daidzin inside the cavity of β-cyclodextrin in aqueous acetic acid: insights from molecular dynamics simulations.

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Acetic acid acts as one component of the mobile phase to influence separation of puerarin from daidzin when using β-cyclodextrin-substituted media. In this work considering an explicit acetic acid solution, host-guest complexes of β-cyclodextrin (β-CD) with puerarin and daidzin were investigated by

Measurement of the fourth O-H overtone absorption cross section in acetic acid using cavity ring-down spectroscopy.

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We report the absolute absorption cross sections of the fourth vibrational O-H (5ν(OH)) overtone in acetic acid using cavity ring-down spectroscopy. For compounds that undergo photodissociation via overtone excitation, such intensity information is required to calculate atmospheric photolysis rates.

Molecular modulation of muscarinic antagonists. Synthesis and affinity profile of 2,2-diphenyl-2-ethylthio-acetic acid esters designed to probe the binding site cavity.

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The synthesis and preliminary pharmacological profile of a new series of muscarinic antagonists, derived from previously studied 2,2-diphenyl-2-ethylthio-acetic acid esters, are reported. The parent molecules were decorated with linkers of different length, carrying an amino group to catch a

The effect of undissociated acetic-acid concentration of buffer solutions on artificial caries-like lesion formation in human tooth enamel.

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A chemical system for lesion production was used. The influence on lesion characteristics of the concentration of undissociated acetic acid in a calcium and phosphate-containing buffer solution was investigated. Artificial lesions obtained after demineralization in buffers with a pH of 4.0, 4.5, 5.0

[Elimination of pits and fissures in permanent teeth and topical applications of 5 solutions of acetic acid and chromium anhydride for the prevention of dental caries].

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[Elimination of pits and fissures of permanent teeth and topical applications of a 5 per cent acetic acid and chromic anhydride in the prevention of dental caries].

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Effectiveness of acetic acid and chromic anhydride in prevention of dental caries.

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Enamel Subsurface Caries-Like Lesions Induced in Human Teeth By Different Solutions: A TMR Analysis

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This study assessed the effectiveness of models for developing subsurface caries lesions in vitro and verified mineral changes by transverse microradiography (TMR). Enamel blocks from permanent (n=5) and deciduous teeth (n=5) were submitted to lesion induction by immersion in demineralizing

Fluoride varnishes and caries development in primary tooth enamel: an in vitro study.

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This in vitro study evaluated the effect of fluoride varnishes on caries development in primary tooth enamel using polarized light microscopic techniques. A total of forty extracted or exfoliated primary teeth with intact, caries-free smooth surfaces underwent a fluoride-free prophylaxis and soft

Molecularly imprinted protein recognition cavities bearing exchangeable binding sites for postimprinting site-directed introduction of reporter molecules for readout of binding events.

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Protein-imprinted cavities bearing exchangeable domains to be used for postimprinting fluorophore introduction to transform binding events into fluorescence changes were constructed in molecularly imprinted polymer (MIPs) matrixes prepared on glass substrates. Copolymerization was performed with

Preparation of magnetic indole-3-acetic acid imprinted polymer beads with 4-vinylpyridine and β-cyclodextrin as binary monomer via microwave heating initiated polymerization and their application to trace analysis of auxins in plant tissues.

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Auxin is a crucial phytohormone for precise control of growth and development of plants. Due to its low concentration in plant tissues which are rich in interfering substances, the accurate determination of auxins remains a challenge. In this paper, a new strategy for isolation and enrichment of

Regulation of protein-binding activities of molecularly imprinted polymers via post-imprinting modifications to exchange functional groups within the imprinted cavity.

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We prepared lysozyme-imprinted polymers bearing modifiable sites within the imprinted cavity to introduce various functional groups via post-imprinting modifications. For this purpose, ({[2-(2-methacrylamido)-ethyldithio]-ethylcarbamoyl}-methoxy)acetic acid (MDTA), which has a carboxy group to

Dynamics and control of phloem loading of indole-3-acetic acid in seedling cotyledons of Ricinus communis.

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During seed germination, sugars and auxin are produced from stored precursors or conjugates respectively, and transported to the seedling axis. To elucidate the mode of travel of indole-3-acetic acid (IAA) into the phloem, a solution of [(3)H]IAA, together with [(14)C]sucrose, was injected into the

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Herbal & Natural Medicine

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