本文系统研究了不同条件(树形分子代数、浓度、浸泡时间等)下荧光性聚酰胺-胺树形分子(PAMAM)水溶液作为荧光探针对锡纸、透明胶带等基底上油印潜指纹的显现效果.结果发现PAMAM树形分子可以和指纹残留物进行靶向结合.结合到指纹纹线上的该荧光性纳米材料在暗室中365 nm紫外光的激发下发出明亮的蓝色荧光,指印纹线与基底反差大、指纹易于辨认,且操作简单,试剂完全环保无污染.这些结果表明PAMAM水溶液是一种潜在的优良的指纹显现试剂.最后,把PAMAM树形分子水溶液对指纹的显现效果进行量化处理,乳突纹与基底间的灰度对比度达到90%以上.
参考文献
| [1] | 李国平,罗运军.紫外光辐照下以PAMAM树形分子为模板制备Ag纳米簇及光致发光性能研究[J].感光科学与光化学,2007(04):249-256. |
| [2] | Endo T;Yoshimura T;Esumi K .Synthesis and catalytic activity of gold-silver binary nanoparticles stabilized by PAMAM dendrimer[J].Journal of Colloid and Interface Science,2005(2):602-609. |
| [3] | 樊新华;姚维尚;李国平 等.以聚酰胺胺树形分子为模板制备Agl纳米簇[J].感光科学与光化学,2007,24(06):454-461. |
| [4] | Bethany J.Auten;Huifang Lang;Bert D.Chandler .Dendrimer templates for heterogeneous catalysts:Bimetallic Pt-Au nanoparticles on oxide supports[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2008(3/4):225-235. |
| [5] | Lemon BI.;Crooks RM. .Preparation and characterization of dendrimer-encapsulated CdS semiconductor quantum dots[J].Journal of the American Chemical Society,2000(51):12886-12887. |
| [6] | 靳玉娟,罗运军,李国平,李杰,卢文婷.CdSe量子点/聚酰胺-胺树形分子纳米复合材料的制备与表征[J].北京理工大学学报,2010(07):858-863. |
| [7] | Menzel ER;Takatsu M;Murdock RH;Bouldin K;Cheng KH .Photoluminescent CdS/dendrimer nanocomposites for fingerprint detection.[J].Journal of forensic sciences,2000(4):770-773. |
| [8] | Menzel ER;Savoy SM;Ulvick SJ;Cheng KH;Murdock RH;Sudduth MR .Photoluminescent semiconductor nanocrystals for fingerprint detection.[J].Journal of forensic sciences,2000(3):545-551. |
| [9] | Menzel E R .Fingerprint Development Methods[P].US Patent,09 487 702,2000. |
| [10] | Jin YJ;Luo YJ;Li GP;Li J;Wang YF;Yang RQ;Lu WT .Application of photoluminescent CdS/PAMAM nanocomposites in fingerprint detection.[J].Forensic science international,2008(1):34-38. |
| [11] | 王元凤,王彦吉,杨瑞琴,靳玉娟.CdS/PAMAM与氨基酸作用研究及其在潜在指印显现中的应用[J].光谱学与光谱分析,2008(12):2843-2846. |
| [12] | 杨瑞琴,周庆颖,王元凤,靳玉娟.纳米CdS/PAMAM G5.0显现胶带粘面油潜指纹应用[J].无机化学学报,2008(11):1874-1879. |
| [13] | 罗运军;李国平;靳玉娟 等.一种快速潜指纹显现试剂的制备方法[P].中国专利,101308061,2008-11-19. |
| [14] | Wang D;Imae T;Miki M .Fluorescence emission from PAMAM and PPI dendrimers[J].Journal of Colloid and Interface Science,2007(2):222-227. |
| [15] | Dongjun Wang;Toyoko Imae .Fluorescence Emission from Dendrimers and Its pH Dependence[J].Journal of the American Chemical Society,2004(41):13204-13205. |
| [16] | 靳玉娟,罗运军,李国平,李杰,卢文婷.聚酰胺-胺树形分子荧光性能研究及其在指纹识别领域应用初探[J].影像科学与光化学,2010(02):111-120. |
| [17] | 赵科,杨瑞琴,靳玉娟,罗运军.PAMAM G7.0的制备及在非渗透性表面手印显现中的应用[J].刑事技术,2009(05):13-16. |
| [18] | Tomalia D A;Baker H;Dewald J et al.A new class polymers:starburst-dendritic macromolecules[J].Polymer Journal,1985,17(01):117-132. |
| [19] | 石志霞,王元凤,刘建军,杨瑞琴,左胜利,于迎春.水溶性荧光CdSe量子点的合成及其在指纹显现中的应用[J].无机化学学报,2008(07):1186-1190. |
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