• A comparative scanning electron microscopic study on the characteristics of demineralized dentin root surface using different tetracycline HCl concentrations and application times. (thejcdp.com)
  • A light and scanning electron microscopic study. (uniroma1.it)
  • The rastering of the beam across the sample makes STEM suitable for analytical techniques such as Z-contrast annular dark-field imaging, and spectroscopic mapping by energy dispersive X-ray (EDX) spectroscopy, or electron energy loss spectroscopy (EELS). (wikipedia.org)
  • By photoemission spectroscopy (XPS), scanning tunneling microscopy/spectroscopy (STM/STS), temperature programmed desorption/reaction (TPD/TPR) and density functional theory calculations (DFT), chemical reactions and diffusion processes during the formation of interfaces/interphases, and their electronic structures are investigated. (uni-marburg.de)
  • For the first time, samples from primary and secondary veins of leaves were investigated by means of infrared spectroscopy, complemented with X-ray powder diffractometry and scanning electron microscopy. (scielo.sa.cr)
  • Fourier transform infrared spectroscopy and freeze-fracture electron microscopy reveal two interaction sites of detergents in vesicles // Biochim. (medline.ru)
  • Impact of Electron and Scanning Probe Microscopy on Materials Research 339 (1999). (ucla.edu)
  • Impact of Electron and Scanning Probe Microscopy on Materials Research 339-357 (Springer Netherlands, 1999). (ucla.edu)
  • Effects of various root surface treatments on initial clot formation: a scanning electron microscope study. (thejcdp.com)
  • The surface of dog articular cartilage: a scanning electron microscope study. (wanfangdata.com.cn)
  • Scanning electron microscope study on human cervical mucus. (billings.life)
  • The main objective of this study was to describe morphological characteristics of adults, microfilariae and eggs of O. fasciata by scanning electron microscopy (SEM), staining and histology. (biomedcentral.com)
  • In this article, we describe the morphological characteristics of adult worms, microfilariae and eggs of O. fasciata using scanning electron microscopy (SEM), staining and histology. (biomedcentral.com)
  • Four placentas from mid-gestation to near term were collected from wild individuals and were investigated based on gross morphology, histology, immunohistochemistry and electron microscopy. (biomedcentral.com)
  • In order to characterize more fully and assess its possible functions, 15 samples of surgical and autopsy human thyroid tissue were studied by classical histology, immunohistochemistry, transmission electron microscopy, electron microscopic immunohistochemistry, and scanning electron microscopy. (nih.gov)
  • Aberration-corrected STEM was demonstrated with 1.9 Å resolution in 1997 and soon after in 2000 with roughly 1.36 Å resolution. (wikipedia.org)
  • 2000. Medida de adhesión en la unión de las patas de Tettigonia viridissima (Orthoptera, insecta). (ucr.ac.cr)
  • 3. Dassatti L., Manicone P.F., Lauricella S., Pastorino R., Filetici P., Nicoletti F., D'addona A. A comparative scanning electron microscopy study between the effect of an ultrasonic scaler, reciprocating handpiece, and combined approach on the root surface topography in subgingival debridement. (parodont.ru)
  • Comparative scanning electron microscopic studies of tegument in various strains of Schistosoma japonicum / by Tunyarut Koonchornboon. (who.int)
  • This in vitro study assessed smear layer removal and collagen fiber exposure after tetracycline hydrochloride (TTC) application on root surfaces using scanning electron microscopy (SEM). (thejcdp.com)
  • The topography and morphology of the machined surfaces were evaluated with surface profilometry and scanning electron microscopy (SEM). (astm.org)
  • Scanning electron microscopy of the hydrophobic conidial surfaces did not reveal evidence for the presence of typical hydrophobin 'rodlet' layers. (biomedcentral.com)
  • Etched surfaces were examined under microscopy. (bvsalud.org)
  • It is only seen by electron diffraction but not with x-ray or He scattering. (osti.gov)
  • The study of the redox reactions occurring in the microenvironment of the biofilm should elucidate the mechanism of microbial EET, which will then help improve the electron transfer efficiency of BESs. (pku.edu.cn)
  • This study indicates that scanning electrochemical microscopy can be used in studying microbial MET. (pku.edu.cn)
  • It also provides insight into the electron transfer mechanism of the microbial metabolism from a physical chemistry perspective. (pku.edu.cn)
  • In the present study, the interfacial electron transfer of Shewanella oneidensis MR-1 on an ITO surface was investigated. (pku.edu.cn)
  • Cyclic voltammetry (CV) was first applied to study the redox properties of Shewanella and its interaction with ferrocenylmethanol (FcMeOH), which served as an exogenous electron mediator. (pku.edu.cn)
  • The goal of the present study was to evaluate, by means of scanning electron microscopy, the effectiveness of these instruments in the removal of root canal filling materials and compare their performance with hand instrumentation. (bvsalud.org)
  • This study was designed to compare surface asbestos concentrations measured directly from a contaminated surface via scanning electron microscopy (SEM) with concentrations measured by adhesive tape sampling. (cdc.gov)
  • Specimens from the reconstructed eyelids of two out of 15 patients operated on using an island chondromucosal flap from the nose were observed under light and scanning electron microscopy (EM) to study the histological and ultrastructural features of nasal epithelium transferred as a flap to the lids, the microscopic appearance of the other tissues of the flap, and its vascularisation. (uniroma1.it)
  • Scanning electron microscopy (SEM) was used to study the cementum surface of 9 teeth extracted due to severe chronic generalized periodontitis and 3 teeth with a clinically healthy periodontium extracted for orthodontic reasons. (parodont.ru)
  • Crewe and coworkers at the University of Chicago developed the cold field emission electron source and built a STEM able to visualize single heavy atoms on thin carbon substrates. (wikipedia.org)
  • 3406. H. Ris, 'High-resolution field-emission scanning electron microscopy of nuclear pore complex,' Scanning 19(August 1997):368-375. (nanomedicine.com)
  • As with a conventional transmission electron microscope (CTEM), images are formed by electrons passing through a sufficiently thin specimen. (wikipedia.org)
  • scanning electron microscope, specimen conditioning, ultrastructures. (ucr.ac.cr)
  • Scanning electron microscopy of the tegumental surface of adult Haplorchis pumilio (Looss). (kku.ac.th)
  • Surface Science 386, 351-354 (1997). (ucla.edu)
  • A scanning transmission electron microscope (STEM) is a type of transmission electron microscope (TEM). (wikipedia.org)
  • However, unlike CTEM, in STEM the electron beam is focused to a fine spot (with the typical spot size 0.05 - 0.2 nm) which is then scanned over the sample in a raster illumination system constructed so that the sample is illuminated at each point with the beam parallel to the optical axis. (wikipedia.org)
  • Directly interpretable Z-contrast imaging makes STEM imaging with a high-angle detector an appealing technique in contrast to conventional high-resolution electron microscopy, in which phase-contrast effects mean that atomic resolution images must be compared to simulations to aid interpretation. (wikipedia.org)
  • In STEM, bright-field detectors are located in the path of the transmitted electron beam. (wikipedia.org)
  • High-resolution scanning transmission electron microscopes require exceptionally stable room environments. (wikipedia.org)
  • However, at the time the results were inferior to those of transmission electron microscopy, and von Ardenne only spent two years working on the problem. (wikipedia.org)
  • Since the start of biological studies using the transmission electron microscope scientists have sought to develop procedures for the preparation and investigation of the thinly spread specimens of biological particulates. (routledge.com)
  • Direct electron transfer (DET) from the microorganisms to solid electron acceptors via membrane-bound cytochrome c enzymes or conductive nanowires/pili has been reported. (pku.edu.cn)
  • The development of electron and scanning probe microscopies in the second half of the twentieth century has produced spectacular images of the internal structure and composition of matter with nanometer, molecular, and atomic resolution. (springeropen.com)
  • Scanning electron microscopy of endometrial biopsy of patients with bacterial vaginosis shows morphology resemblimg mycoplasma/ureaplasma. (bmj.com)
  • These results also showed that FcMeOH was a good redox mediator and capable of transferring electrons between the electrode and the bacterial cells. (pku.edu.cn)
  • Examination of the approaching curve showed that the current started to increase when the tip was approaching the solution/biofilm interface, providing positive feedback for the FcMeOH-mediated electron transfer between the microelectrode and the bacterial cells. (pku.edu.cn)
  • In previous studies, mediated electron transfer (MET) has also been demonstrated to occur through electrochemically active metabolites acting as redox mediators. (pku.edu.cn)
  • Our compelling, human stories are brought to life using high-end 3D visualizations based on actual human data acquired from MRIs, CT Scans, Electron Microscopy and other medical imaging technologies. (thevisualmd.com)
  • Data from secondary emission scanning electron microscopy were combined with data from back scattered electron microscopy (BSEM), performed sequentially over the same area.RESULTS AND CONCLUSION: In the rabbit, it was easy to discern the passage between uncalcified and calcified cartilage but it was difficult to highlight the small chondrocytic lacunae in zones Ⅱ and Ⅲ. (wanfangdata.com.cn)
  • To determine prevalence rates of cigarette, smokeless tobacco (chewing tobacco or snuff), and cigar use for U.S. high school students, CDC analyzed data from the 1997 Youth Risk Behavior Survey (YRBS). (who.int)
  • The electron microscope appearance of the subchondral bone plate in the human femoral head in osteoarthritis and osteoporosis. (wanfangdata.com.cn)
  • The preparation of human articular cartilage for scanning electron microscopy. (wanfangdata.com.cn)
  • 13. Bayerl T.M., Werner G., Sackmann E. Solubilization of DMPC and DPPC vesicles by detergents below their critical micellization concentration: high-sensitivity differential scanning calorimetry. (medline.ru)
  • Scanning electron microscopy showed that, at the same concentration, the gaps between particles decreased with decreasing talc powder particle size. (myrmecologicalnews.org)
  • This report summarizes the results of the analysis, which indicate that the prevalence of current cigarette smoking among U.S. high school students increased from 27.5% in 1991 to 36.4% in 1997 and that, in 1997, 42.7% of students used cigarettes, smokeless tobacco, or cigars during the 30 days preceding the survey. (who.int)
  • Xiaochun TIAN,Xuee WU,Dongping ZHAN,Feng ZHAO,Yanxia JIANG,Shigang SUN. Research on Electron Transfer in the Microenvironment of the Biofilm by Scanning Electrochemical Microscopy[J]. Acta Phys. (pku.edu.cn)
  • Method of analysis: SEM-EDS, Lab of Electronic Microscopy and Microanalysis, IMA (Néode), HEI Arc. (micorr.org)
  • 8. Barton N.S., Van Swol R.L. Periodontally diseased vs. normal roots as evaluated by scanning electron microscopy and electron probe analysis. (parodont.ru)
  • In the classical case, the fast electrons in the electron beam is deflected by the Lorentz force, as shown schematically for a magnetic field in the figure to the left. (wikipedia.org)
  • The addition of an aberration corrector to STEMs enables electron probes to be focused to sub-angstrom diameters, allowing images with sub-angstrom resolution to be acquired. (wikipedia.org)
  • In annular dark-field mode, images are formed by fore-scattered electrons incident on an annular detector, which lies outside of the path of the directly transmitted beam. (wikipedia.org)
  • In addition, using the penetration mode in scanning electrochemical microscopy, the current generated from the MET by FcMeOH was collected using a microelectrode. (pku.edu.cn)
  • Here we demonstrate imaging external alternating (AC) and direct (DC) electric fields with a single NV at the apex of a diamond scanning tip under ambient conditions. (nature.com)
  • A likely mechanism relates to the the spatial confinement of the graphene electrons, within a single layer. (osti.gov)