Adsorption of Saliva-coated and Just-harvested Streptococcus sanguis to Saliva-coated Hydroxyapatite Beads.

Tamura, Muneaki; Kuroda, Kouichiro; Ueda, Yoshisada; Saitô, Norio; Hirano, Yusuke; Hayashi, Kunio

doi:10.2334/josnusd1959.37.170

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…Tooth plaque contains water, proteins and also dextrin -a polysaccharide produced by bacteria in the mouth. Hydroxyapatite particles could be added to toothpaste as an important component for removing plaque adhered to tooth surfaces and/or to eliminate mouth odour caused by oral disease ( Aoki et al, 1982;Tamura et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Characteristics of the Adsorption of Fibrinogen onto <i>Hydroxyapatite</i>

Jalija¹,

Lori²

2014

Bayero J. Pure App. Sci.

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Three chemical substances namely Hydroxyapatite, HAP (Sigma), HAP (locally prepared) and calcium hydrogen phosphate dehydrate (CHP), were investigated for the adsorption of fibrinogen onto them. Of the three, the Sigma sample of HAP adsorbed the highest amount of fibrinogen. Increase in the concentration of fibrinogen up to 0.8mg/cm 3 resulted in increased adsorption onto HAP. The adsorption followed the Langmuir model (which is typically monolayer adsorption). For the Sigma sample of HAP, there was increase in the amount of fibrinogen adsorbed with time but it remained constant after 120 minutes. Desorption after this time is attributable to conformational changes in the molecule. Treatment of HAP with calcium and magnesium ions increased the amount of fibrinogen adsorbed onto it as against treatment with potassium ion (a monovalent ion). Electrostatic attraction on the surface of the treated HAP and hydrogen are responsible for the adsorption. The results are useful in fabricating bone and teeth implants that are compatible with body fluid and blood.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the Characteristics of the Adsorption of Fibrinogen onto <i>Hydroxyapatite</i>

Jalija¹,

Lori²

2014

Bayero J. Pure App. Sci.

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Adhesins, Receptors, and Target Substrata Involved in the Adhesion of Pathogenic Bacteria to Host Cells and Tissues

2014

Bacterial Adhesion to Animal Cells and Tissues

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The phenomenon of salivary protein adsorption onto Streptococcus mitis ATCC 903 cells.

Tamura

Hirano

Hayashi

1999

Journal of Oral Science

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Abstract:It is thought that salivary proteins on bacterial cells have some influence on the adhesion of oral bacteria onto the surface of oral tissues and on bacterial aggregation.Initially, this study sought to examine the phenomenon of salivary protein adsorption to the surface of Streptococcus mitis ATCC 903 using 3H-labeled salivary proteins. We investigated the effects of hydrophobic level and lectin-ligand binding on adsorption of salivary proteins, and also the influence of cell surface components on adsorption. The results showed that the adsorption of salivary proteins was clearly reduced by the presence of Tween 20, LiC1, NaSCN, Hexadecane and some sugars. The adsorption was also affected by the pH level, and protease treatment or heat treatment of cells also decreased the volume of adsorbed proteins. Although the adsorption of proteins onto heat-treated cells was dramatically reduced by the presence of LiC1 and NaSCN, the presence of sugars had little influence on this adsorption.These findings suggest that the main adsorption of salivary proteins is due to hydrophobic factors, and the heat-sensitive surface components of the cells had some relation to lectin-ligand binding. Therefore, it appears important to study the adsorption of salivary proteins onto cells since the salivary proteins on bacterial cells play an important role in their adherence to the saliva-coated oral tissues and bacterial aggregation. (J. Oral Sci. 41, 169-172, 1999)

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Adsorption of Saliva-coated and Just-harvested Streptococcus sanguis to Saliva-coated Hydroxyapatite Beads.

Cited by 3 publications

References 18 publications

Evaluation of the Characteristics of the Adsorption of Fibrinogen onto <i>Hydroxyapatite</i>

Evaluation of the Characteristics of the Adsorption of Fibrinogen onto <i>Hydroxyapatite</i>

Adhesins, Receptors, and Target Substrata Involved in the Adhesion of Pathogenic Bacteria to Host Cells and Tissues

The phenomenon of salivary protein adsorption onto Streptococcus mitis ATCC 903 cells.

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