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  1. Article ; Online: Factors That Influence the Judgment of Oral Management Necessity in Preoperative Oral Screening.

    Kai, Nanami / Tsukamoto, Yoko / Urabe, Kaoru / Tani, Asuka / Inai, Yuko / Okadome, Asako / Kashiwazaki, Haruhiko / Mizutani, Shinsuke / Wada, Naohisa

    International journal of environmental research and public health

    2021  Volume 18, Issue 22

    Abstract: Oral management during the perioperative period is important to prevent the development of postoperative complications. However, there are no unified systems to examine the oral status of patients and very few studies have focused on preoperative oral ... ...

    Abstract Oral management during the perioperative period is important to prevent the development of postoperative complications. However, there are no unified systems to examine the oral status of patients and very few studies have focused on preoperative oral screening. In this study, we examined the oral status of patients who underwent oral screening at a University Hospital. A total of 1173 patients who underwent oral screening for perioperative management from April 2020 to July 2021 were enrolled. The subjects' medical data were retrospectively extracted from the dental records, and finally, the data of 1081 patients aged ≥20 years were analyzed. Oral screening based on seven categories was performed by dentists or dental hygienists. Our cumulative results determined whether patients required oral management during the perioperative period. "Poor oral hygiene" was the most frequent category (24%) of all oral categories examined. Logistic analysis revealed that tooth mobility had the highest odds ratio (21.476; 95% confidence interval: 11.462-40.239;
    MeSH term(s) Humans ; Judgment ; Odds Ratio ; Perioperative Period ; Postoperative Complications ; Retrospective Studies
    Language English
    Publishing date 2021-11-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2175195-X
    ISSN 1660-4601 ; 1661-7827
    ISSN (online) 1660-4601
    ISSN 1661-7827
    DOI 10.3390/ijerph182212236
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Double layer capacitance of high surface area carbon nanospheres derived from resorcinol–formaldehyde polymers

    Tashima, Daisuke / Yamamoto, Eri / Kai, Nanami / Fujikawa, Daisuke / Sakai, Go / Otsubo, Masahisa / Kijima, Tsuyoshi

    Carbon. 2011 Nov., v. 49, no. 14

    2011  

    Abstract: Micro-mesoporous bimodal carbon nanospheres with high surface areas were synthesized by a combined use of surfactant templating technique and BaO₂ chemical activation one. Starting spherical nanopolymer/surfactant composites were prepared by the NaOH- ... ...

    Abstract Micro-mesoporous bimodal carbon nanospheres with high surface areas were synthesized by a combined use of surfactant templating technique and BaO₂ chemical activation one. Starting spherical nanopolymer/surfactant composites were prepared by the NaOH-catalyzed reaction of resorcinol (R) and formaldehyde (F) in the presence of cetyltrimethylammonium bromide (CTAB) as a core template and 1,3,5-trimethylbenzene (TMB) and tert-butanol (t-BuOH) as cosurfactants. After pretreatment with hydrochloric acid, the composite materials were calcined at 1000°C in N₂ coexistent with varying weight ratios of BaO₂ to RF polymer ranging from 0 to 11. It produced micro-mesoporous bimodal carbon nanospheres of 124–143nm diameter, with specific surface areas as high as 1884m²g⁻¹ or up to 3301m²g⁻¹, in contrast to microporous ones with smaller surface areas obtained at low BaO₂-loadings. The electrochemical double layer capacitance of the resulting nanocarbons in 0.5M H₂SO₄ showed a marked increase with specific surface areas, up to as high as 219Fg⁻¹ for the highest surface area carbon material.
    Keywords capacitance ; carbon ; cetyltrimethylammonium bromide ; composite materials ; electrochemistry ; formaldehyde ; hydrochloric acid ; nanospheres ; nitrogen ; polymers ; resorcinol ; sulfuric acid ; surface area ; surfactants
    Language English
    Dates of publication 2011-11
    Size p. 4848-4857.
    Publishing place Elsevier Ltd
    Document type Article
    ISSN 0008-6223
    DOI 10.1016/j.carbon.2011.07.005
    Database NAL-Catalogue (AGRICOLA)

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