Ping Qiu,Christofer Leygraf
Ping Qiu
Complementary surface and near-surface analytical techniques have been used to explore a brass (Cu-20Zn) surface before, during, and after exposure in air at 90% relative humidity. Volta potential variations along the unexposed surface are ...
Stability of Phosphonic Self Assembled Monolayers (SAMs) on Cobalt Chromium (Co-Cr) Alloy under Oxidative conditions [0.03%]
氧化条件下磷SAM在钴铬合金表面稳定性的研究
Rahul Bhure,Tarek M Abdel-Fattah,Carl Bonner et al.
Rahul Bhure et al.
Cobalt Chromium (Co-Cr) alloys has been widely used in the biomedical arena for cardiovascular, orthopedic and dental applications. Surface modification of the alloy allows us to tailor the interfacial properties to address critical challen...
S A Parry,M E Kurczy,X Fan et al.
S A Parry et al.
Phagocytosis is a major component of the animal immune system where apoptotic cellular material, metabolites, and waste are safely processed. Further, efficient phagocytosis by macrophages is key to maintaining healthy vascular systems and ...
The Effects of Strain on STM Lithography on HS-ssDNA/Au (111) Surface [0.03%]
应变对HS-ssDNA/Au(111)表面STM纳米加工的影响研究
Fan Chen,Anhong Zhou,Haeyeon Yang
Fan Chen
Scanning tunneling microscopy (STM) lithography was utilized to investigate a 12-mer HS-ssDNA self-assembled Au (111) surface. Under low sample bias and high tunneling current, the repeated scanning resulted in the growth of nanostripes. Th...
Quantitative ToF-SIMS Studies of Protein Drug Release from Biodegradable Polymer Drug Delivery Membranes [0.03%]
生物可降解聚合物药物输送膜中蛋白质药物释放的定量ToF-SIMS研究
Sarah A Burns,Joseph A Gardella
Sarah A Burns
Biodegradable polymers are of interest in developing strategies to control protein drug delivery. The protein that was used in this study is Keratinocyte Growth Factor (KGF) which is a protein involved in the re-epithelialization process. T...
The effect of incident angle on the C(60) bombardment of molecular solids [0.03%]
入射角度对C(60)撞击分子固体的影响
Joseph Kozole,David Willingham,Nicholas Winograd
Joseph Kozole
The effect of incident angle on the quality of SIMS molecular depth profiling using C(60) (+) was investigated. Cholesterol films of ~300 nm thickness on Si were employed as a model and were eroded using 40 keV C(60) (+) at an incident angl...
Which is more important in bioimaging SIMS experiments-The sample preparation or the nature of the projectile? [0.03%]
在生物成像中,SIMS实验更重要的是样品制备还是入射粒子的性质？
M E Kurczy,P D Piehowski,S A Parry et al.
M E Kurczy et al.
Sample preparation is central to acquiring meaningful molecule-specific images with SIMS, especially when submicron lateral resolution is involved. The issue is to maintain the distribution of target molecules while attempting to introduce ...
Fundamental studies of molecular depth profiling and 3D imaging using Langmuir-Blodgett films as a model [0.03%]
以Langmuir-Blodgett膜为模型的分子深度剖面分析和三维成像的基础研究
Leiliang Zheng,Andreas Wucher,Nicholas Winograd
Leiliang Zheng
Molecular depth profiling and three-dimensional imaging using cluster projectiles and SIMS have become a prominent tool for organic and biological materials characterization. To further explore the fundamental features of cluster bombardmen...
Investigating lipid-lipid and lipid-protein interactions in model membranes by ToF-SIMS [0.03%]
采用飞行时间二次离子质谱研究模型膜中的脂-脂和脂-蛋白相互作用
L Zheng,C M McQuaw,M J Baker et al.
L Zheng et al.
With the chemical imaging capability of ToF-SIMS, biological molecules are identified and localized in membranes without any chemical labels. We have developed a model membrane system made with supported Langmuir-Blodgett (LB) monolayers. T...
Relative Quantification of Cellular Sections with Molecular Depth Profiling ToF-SIMS Imaging [0.03%]
基于分子深度剖析的相对定量ToF-SIMS成像研究细胞区室化问题
M E Kurczy,Joseph Kozole,S A Parry et al.
M E Kurczy et al.
We report the use of SIMS imaging to quantify the relative difference in the amount of lipid between two sections, the plasma membrane and the cytoplasm, of single cells from two different populations. Cells were each labeled with lipophill...