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47篇 您的检索式:作者名="DAVID SP"
    题名 作者 年代 出处 被引量
1High-resolution impedance mapping using electrically activated quantitative phase imaging显示文摘Retrieving electrical impedance maps at the nanoscale rapidly via nondestructive inspection with a high signal-to-noise ratio is an unmet need,likely to impact various applications from biomedicine to energy conversion.In this study,we develop a multimodal functional imaging instrument that is characterized by the dual capability of impedance mapping and phase quantitation,high spatial resolution,and low temporal noise.To achieve this,we advance a quantitative phase imaging system,referred to as epi-magnified image spatial spectrum microscopy combined with electrical actuation,to provide complementary maps of the optical path and electrical impedance.We demonstrate our system with high-resolution maps of optical path differences and electrical impedance variations that can distinguish nanosized,semi-transparent,structured coatings involving two materials with relatively similar electrical properties.We map heterogeneous interfaces corresponding to an indium tin oxide layer exposed by holes with diameters as small as~550 nm in a titanium(dioxide)over-layer deposited on a glass support.We show that electrical modulation during the phase imaging of a macro-electrode is decisive for retrieving electrical impedance distributions with submicron spatial resolution-and beyond the limitations of electrode-based technologies(surface or scanning technologies).The findings,which are substantiated by a theoretical model that fits the experimental data very well enable achieving electro-optical maps with high spatial and temporal resolutions.The virtues and limitations of the novel optoelectrochemical method that provides grounds for a wider range of electrically modulated optical methods for measuring the electric field locally are critically discussed.Cristina Polonschii Mihaela Gheorghiu Sorin David Szilveszter Gáspár Sorin Melinte Hassaan Majeed Mikhail E.Kandel Gabriel Popescu Eugen Gheorghiu 2021Light(Science & Applications)2021,10,2:2
2Ovarian clear cell adenocarcinoma:a continuing enigma显示文摘David SP Tan Stan Kaye 2007Clin Pathol2007,60,:1
3Caspase-3-dependent cleavage of Bcl-2 promotes release of cytochrome c显示文摘David GK Chau BN Lim DS Nadja C De SP Richard H 1999J Biol Chem1999,274,21:1
4Association between daily cigarette consumption and hypertension moderated by CYP2A6 genotypes in Chinese male current smokers显示文摘Liu T Tyndale RF David SP 2013J Hum Hypertens2013,27,:1
5Relaparoscopy for the detection and treatment of complications of Laparoscopic Cholecystectomy显示文摘Dextex SP Miller GV Davides D 2000Am J Surg2000,179,:1
6Effects of Phosphate Binders in Moderate CKD显示文摘Geoffrey AB David CW Martha SP 2012J Am Soc Nephrol2012,23,8:1
7Are Asians at greater mortality risks for being overweight than Caucasians? Redefining obesity for Asians显示文摘Wen CP David Cheng TY Tsai SP 2009Public Health Nutr2009,12,4:1
8Laparoscopic diagnosis and methotrexate treatment of an ovarian pregnancy: a case report 显示文摘David C Elena G Alan SP 1994Fertil Steril1994,62,4:1
9Reduced length of stay by implementation of a clinical pathway for bariatric surgery in an academic health care center显示文摘Sergio H David H Mark SP 2001American Surgeon2001,67,12:1
10Anti-inflammatory activity of Chinese medicinal vine plants显示文摘Li RW David LG Myers SP 2003Ethnopharmaeology2003,85,1:1
11Association of COMT Val108/158Met genotype with smoking cessation in a nicotine replacement therapy randomized trial 显示文摘Johnstone EC Elliot KM David SP 2007Cancer Epidemiol Biornarkers Prey2007,16,:1
12Acute pancreatitis and pregnancy:A 10-year single center experience 显示文摘Alejandro H Maxim SP David CB 2007J Gastrointestinal Surgery2007,11,:1
13Relaparoscopy for the detection and treatment of complications of laparoscopic cholecystectomy显示文摘Dextex SP Miller GV Davides D 2000Am J Surg2000,179,:1
14Resistance to echinocandin- class antifungal drugs显示文摘David SP 2007Drug Resistance Update2007,10,:1
15Relaparoscopy for the detection and treatment of complications of laparoscopic cholecystectomy显示文摘DEXTEX SP MILLER GV DAVIDES D 2001Am J Surg2001,179,:1
16Validatin and quantitation of proteomic biomarkers for sever preexlarnpsia in cerebrospinal fluid 显示文摘Joong SP Patrick F David D 2004American Journal of Obsterics and Gynecology2004,191,:1
17Caveolin,caveolae and endothelial cell function显示文摘Philippe GF Scott EW David SP 2003Arterioscler Thromb Vasc Biol2003,23,7:1
18Loss of Caveolin-1 gene expression accelerates the development of dysplastic mammary lesions in tumor-prone transgenic mice 显示文摘Terence MW Michelle WC David SP 2003Molec Biol Cell2003,14,3:1
19CD28 costimulation is critical for experimental allergic asthma in HLA-DQ8 transgenic mice显示文摘Chapoval SP David CS 2003Clin Immunol2003,106,2:1
20Association of COMT Val108/158Met genotype with smoking cessation in a nicotine replacement therapy randomized trial显示文摘Johnstone EC Elliot KM David SP 2007Cancer Epidemiol Biomarkers Prev2007,16,6:1
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