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Effects of various prophylactic procedures on titanium surfaces and biofilm formation
Di Salle, Anna,Spagnuolo, Gianrico,Conte, Raffaele,Procino, Alfredo,Peluso, Gianfranco,Rengo, Carlo Korean Academy of Periodontology 2018 Journal of Periodontal & Implant Science Vol.48 No.6
Purpose: The aim of this study was to evaluate the effects of various prophylactic treatments of titanium implants on bacterial biofilm formation, correlating surface modifications with the biofilms produced by Pseudomonas aeruginosa PAO1, Staphylococcus aureus, and bacteria isolated from saliva. Methods: Pure titanium disks were treated with various prophylactic procedures, and atomic force microscopy (AFM) was used to determine the degree to which surface roughness was modified. To evaluate antibiofilm activity, we used P. aeruginosa PAO1, S. aureus, and saliva-isolated Streptococcus spp., Bacteroides fragilis, and Staphylococcus epidermidis. Results: AFM showed that the surface roughness increased after using the air-polishing device and ultrasonic scaler, while a significant reduction was observed after using a curette or polishing with Detartrine ZTM (DZ) abrasive paste. In addition, we only observed a significant (P<0.01) reduction in biofilm formation on the DZ-treated implant surfaces. Conclusion: In this study, both AFM and antibiofilm analyses indicated that using DZ abrasive paste could be considered as the prophylactic procedure of choice for managing peri-implant lesions and for therapy-resistant cases of periodontitis.
Effects of various prophylactic procedures on titanium surfaces and biofilm formation
Anna Di Salle,Gianrico Spagnuolo,Raffaele Conte,Alfredo Procino,Gianfranco Peluso,Carlo Rengo 대한치주과학회 2018 Journal of Periodontal & Implant Science Vol.48 No.6
Purpose: The aim of this study was to evaluate the effects of various prophylactic treatments of titanium implants on bacterial biofilm formation, correlating surface modifications with the biofilms produced by Pseudomonas aeruginosa PAO1, Staphylococcus aureus, and bacteria isolated from saliva. Methods: Pure titanium disks were treated with various prophylactic procedures, and atomic force microscopy (AFM) was used to determine the degree to which surface roughness was modified. To evaluate antibiofilm activity, we used P. aeruginosa PAO1, S. aureus, and salivaisolated Streptococcus spp., Bacteroides fragilis, and Staphylococcus epidermidis. Results: AFM showed that the surface roughness increased after using the air-polishing device and ultrasonic scaler, while a significant reduction was observed after using a curette or polishing with Detartrine ZTM (DZ) abrasive paste. In addition, we only observed a significant (P<0.01) reduction in biofilm formation on the DZ-treated implant surfaces. Conclusion: In this study, both AFM and antibiofilm analyses indicated that using DZ abrasive paste could be considered as the prophylactic procedure of choice for managing peri-implant lesions and for therapy-resistant cases of periodontitis.
Craig W. Schneider,Elisabeth N. Cianciola,Thea R. Popolizio,Dylan S. Spagnuolo,Christopher E. Lane 한국조류학회I 2015 ALGAE Vol.30 No.1
Bermuda; Centroceras spp.; C. arcii sp. nov.; C. illaqueans sp. nov.; Ceramiaceae; COI-5P; rbcL; Rhodophyta
Yvelise Ferro,Elisa Mazza,Mariantonietta Salvati,Emma Santariga,Salvatore Giampà,Rocco Spagnuolo,Patrizia Doldo,Roberta Pujia,Adriana Coppola,Carmine Gazzaruso,Arturo Pujia,Tiziana Montalcini 대한내분비학회 2020 Endocrinology and metabolism Vol.35 No.2
Background: A growing number of functional foods have been proposed to reduce cholesterol levels and the Portfolio Diet, which includes a combination of plant sterols, fibres, nuts, and soy protein, reduces low density lipoprotein cholesterol (LDL-C) from 20% to30% in individuals with hyperlipidaemia. In this pilot study, the aim was to investigate whether a Mediterranean Diet incorporating anew and simple combination of cholesterol-lowering foods, excluding soy and nuts (namely the Portfolio-Mediterranean Diet), wouldreduce LDL-C levels, in the short-term, better than a Mediterranean Diet plus a sterol-enriched yogurt or a Mediterranean Diet alone. Methods: We retrospectively evaluated 24 individuals on a Portfolio-Mediterranean Diet and 48 matched individuals on a Mediterranean Diet with or without a sterol-enriched yogurt (24 each groups) as controls. Results: At follow-up (after 48±12 days), we observed an LDL reduction of 21±4, 23±4, and 44±4 mg/dL in the MediterraneanDiet alone, Mediterranean Diet plus yogurt and Portfolio-Mediterranean Diet respectively (P<0.001). Conclusion: A Portfolio-Mediterranean Diet, incorporating a new combination of functional foods such as oats or barley, plant sterols,chitosan, and green tea but not soy and nuts, may reduce LDL of 25% in the short term in individuals with hypercholesterolemia.
Schneider, Craig W.,Cianciola, Elisabeth N.,Popolizio, Thea R.,Spagnuolo, Dylan S.,Lane, Christopher E. The Korean Society of Phycology 2015 ALGAE Vol.30 No.1
When the generitype Centroceras clavulatum, a presumed cosmopolitan warm temperate to tropical red alga, was discovered to have a biogeographic distribution limited to the Pacific Ocean using molecular and morphological evidence, the taxonomy in the genus Centroceras was thrown into chaos worldwide. An analysis of what species was, or were, previously identified as C. clavulatum in Bermuda is the focus of the present molecular (COI-5P, rbcL) and morphological study. Two novel species are proposed, C. arcii sp. nov. and C. illaqueans sp. nov., and the distributions of three taxa recently segregated in the 'C. clavulatum complex' of the western Atlantic, C. gasparrinii, C. hyalacanthum, and C. micracanthum, have been expanded to include Bermuda. C. arcii is shown to be morphologically cryptic with C. micracanthum, and remains best distinguished by its COI-5P barcode sequence.
Giuseppina Tommonaro,Rocco De Prisco,Rita Pergamo,Carmine Iodice,Gennaro Roberto Abbamondi,Annalisa Spagnuolo,Barbara Nicolaus 한국식품영양과학회 2015 Journal of medicinal food Vol.18 No.10
The antioxidant capacity and the polyphenolic profile of fresh and processed cherry tomatoes were analyzed with the aim of investigating the effect of industrial processes on the nutritional qualities of fruits. The results exhibited a decrease of antioxidant activity mainly in the lipophilic fraction of processed tomatoes compared with fresh products. No great difference in the antioxidant capacity was detected in the hydrophilic and methanolic extracts of fresh tomatoes and processed tomato juices. Moreover, a decrease of polyphenolic content, estimated by means of high-performance liquid chromatography analysis and Folin–Ciocalteu method, was observed in all tomato juices. The overall polyphenolic profile of both fresh and processed tomatoes did not change significantly and, among all juices, a higher polyphenolic content was detected in juice containing peels and seeds in comparison to those without. From our data on antioxidant power and the bioactive metabolite content, tomato juice could be used as a valid and easily available source of antioxidants in everyday diet to preserve human health.