目的采用文献计量学方法分析2013—2023年生物膜与牙周炎相关的研究现状和热点。方法在Web of Science(Wos)数据库中检索生物膜与牙周炎相关文献,并运用VOSviewer和CiteSpace等可视化软件来分析国家/地区、作者、机构、期刊及关键词。...目的采用文献计量学方法分析2013—2023年生物膜与牙周炎相关的研究现状和热点。方法在Web of Science(Wos)数据库中检索生物膜与牙周炎相关文献,并运用VOSviewer和CiteSpace等可视化软件来分析国家/地区、作者、机构、期刊及关键词。结果共纳入1821篇文献,结果显示文献发文量逐年上升。发文量排名前3位的国家是美国、巴西和中国;排名前3位的机构是圣保罗大学、哈佛大学和福赛斯研究所;发文量最高的作者是Feres Magda;在发文量前10位的期刊中,Journal of Periodontology的发文量最多(87篇),其次是Plos One(69篇)和Clinical Oral Investigations(51篇)。氧化应激、标志物、辅助治疗及药物缓释是最主要的研究热点;前沿主要集中于群体感应、光动力疗法、活性氧、铜纳米颗粒及光学相干层析成像。结论生物膜和牙周炎的研究在逐年增长,未来的研究方向可重点关注氧化应激、辅助治疗、群体感应及光动力疗法。展开更多
Thin transparent oxide conducting films(TCOFs)of titanium and gallium substituted zinc oxide(TGZO)were fabricated via radio frequency(RF)magnetron sputtering technique.The effects of RF power on electrical,linear and ...Thin transparent oxide conducting films(TCOFs)of titanium and gallium substituted zinc oxide(TGZO)were fabricated via radio frequency(RF)magnetron sputtering technique.The effects of RF power on electrical,linear and nonlinear optical characteristics were investigated by Hall tester,Ultraviolet(UV)-visible spectrophotometer and optical characterization method.The results indicate that RF power significantly influences the electrical and optical properties of the deposited films.As RF power raises,the resistivity and Urbach energy fall initially and then rise,while the figure of merit,mean visible transmittance and optical bandgap show the reverse variation trend.At RF power of 190 W,the TGZO sample exhibits the highest electro-optical properties,with the maximum figure of merit(1.14×10^(4)Ω^(-1)∙cm^(-1)),mean visible transmittance(86.9%)and optical bandgap(3.50 eV),the minimum resistivity(6.26×10^(-4)Ω∙cm)and Urbach energy(174.23 meV).In addition,the optical constants of the deposited films were determined by the optical spectrum fitting method,and the RF power dependence of nonlinear optical properties was studied.It is observed that all the thin films exhibit normal dispersion characteristics in the visible region,and the nonlinear optical parameters are greatly affected by the RF power in the ultraviolet region.展开更多
文摘目的采用文献计量学方法分析2013—2023年生物膜与牙周炎相关的研究现状和热点。方法在Web of Science(Wos)数据库中检索生物膜与牙周炎相关文献,并运用VOSviewer和CiteSpace等可视化软件来分析国家/地区、作者、机构、期刊及关键词。结果共纳入1821篇文献,结果显示文献发文量逐年上升。发文量排名前3位的国家是美国、巴西和中国;排名前3位的机构是圣保罗大学、哈佛大学和福赛斯研究所;发文量最高的作者是Feres Magda;在发文量前10位的期刊中,Journal of Periodontology的发文量最多(87篇),其次是Plos One(69篇)和Clinical Oral Investigations(51篇)。氧化应激、标志物、辅助治疗及药物缓释是最主要的研究热点;前沿主要集中于群体感应、光动力疗法、活性氧、铜纳米颗粒及光学相干层析成像。结论生物膜和牙周炎的研究在逐年增长,未来的研究方向可重点关注氧化应激、辅助治疗、群体感应及光动力疗法。
文摘Thin transparent oxide conducting films(TCOFs)of titanium and gallium substituted zinc oxide(TGZO)were fabricated via radio frequency(RF)magnetron sputtering technique.The effects of RF power on electrical,linear and nonlinear optical characteristics were investigated by Hall tester,Ultraviolet(UV)-visible spectrophotometer and optical characterization method.The results indicate that RF power significantly influences the electrical and optical properties of the deposited films.As RF power raises,the resistivity and Urbach energy fall initially and then rise,while the figure of merit,mean visible transmittance and optical bandgap show the reverse variation trend.At RF power of 190 W,the TGZO sample exhibits the highest electro-optical properties,with the maximum figure of merit(1.14×10^(4)Ω^(-1)∙cm^(-1)),mean visible transmittance(86.9%)and optical bandgap(3.50 eV),the minimum resistivity(6.26×10^(-4)Ω∙cm)and Urbach energy(174.23 meV).In addition,the optical constants of the deposited films were determined by the optical spectrum fitting method,and the RF power dependence of nonlinear optical properties was studied.It is observed that all the thin films exhibit normal dispersion characteristics in the visible region,and the nonlinear optical parameters are greatly affected by the RF power in the ultraviolet region.
