Search Within
Applied Filters:
显示 1-30 共 56 条结果 关于 "


" within 论文
Monocrystalline Diamond Paste-Based Electrodes and Their Applications for the Determination of Fe(II) in Vitamin
Stefan RI and Bairu SG
Analytical Chemistry, 75(20), 5394-5398 (2003)
Melissa Aline da Silva et al.
The journal of contemporary dental practice, 14(1), 14-20 (2013-04-13)
The aim of this study was to compare the microtensile bond strength of three adhesive systems, using different methods of dentin preparation. A hundred and eight bovine teeth were used. The dentin from buccal face was exposed and prepared with...
Reusable biochemical diagnosis systems based on nanodiamonds.
V S Bondar et al.
Doklady. Biochemistry and biophysics, 448, 55-58 (2013-03-13)
Alexandre Barras et al.
Nanoscale, 5(6), 2307-2316 (2013-02-12)
Bacterial attachment and subsequent biofilm formation on biotic surfaces or medical devices is an increasing source of infections in clinical settings. A large proportion of these biofilm-related infections are caused by Escherichia coli, a major nosocomial pathogen, in which the...
Vaclav Prajzler et al.
Optics express, 21(7), 8417-8425 (2013-04-11)
Diamond thin films have remarkable properties comparable with natural diamond. Because of these properties it is a very promising material for many various applications (sensors, heat sink, optical mirrors, chemical and radiation wear, cold cathodes, tissue engineering, etc.) In this...
Sergei G Kazarian et al.
Expert opinion on drug delivery, 10(9), 1207-1221 (2013-05-21)
Solid oral dosage forms are the most commonly used method for administering active pharmaceutical ingredients to patients. Understanding the mechanisms and processes of drug release is essential for improving the design of pharmaceutical tablets. In this review, recent approaches where...
Diamond planets.
John Matson
Scientific American, 308(1), 12-12 (2013-01-25)
Federico Ferraris et al.
The international journal of esthetic dentistry, 9(1), 70-89 (2014-04-24)
The aim of this study is to investigate different instruments for finishing composite restorations, as well as examining different surfaces and interfaces of the same restoration. The null hypothesis is represented by the fact that there are no significant differences...
Adam Hamilton et al.
The International journal of prosthodontics, 26(4), 370-380 (2013-07-10)
This study aimed to compare the fit of computer-aided design/computerassisted manufacture (CAD/CAM) abutments provided by a single system with proprietary prefabricated abutments on various implant systems. Titanium CAD/CAM abutments were compared with prefabricated abutments on five different implant types. The...
Daniele Selli et al.
Scientific reports, 3, 1466-1466 (2013-03-16)
Group-IVa elements silicon and germanium are known for their semiconducting properties at room temperature, which are technologically critical. Metallicity and superconductivity are found at higher pressures only, Ge β-tin (tI4) being the first high-pressure metallic phase in the phase diagram....
D Le Sage et al.
Nature, 496(7446), 486-489 (2013-04-27)
Magnetic imaging is a powerful tool for probing biological and physical systems. However, existing techniques either have poor spatial resolution compared to optical microscopy and are hence not generally applicable to imaging of sub-cellular structure (for example, magnetic resonance imaging)...
Gang Chen
Talanta, 74(3), 326-332 (2008-03-29)
As two important polymorphs of carbon, carbon nanotube (CNT) and diamond have been widely employed as electrode materials for electrochemical sensing. This review focuses on recent advances and the key strategies in the fabrication and application of electrochemical detectors in...
Izzet Kisacik et al.
Physical chemistry chemical physics : PCCP, 15(13), 4616-4624 (2013-02-21)
Boron doped diamond (BDD) electrodes have an extremely high over-voltage for oxygen evolution from water, which favours its use in oxidation processes of other compounds at high potentials. We used a rotating ring disc (RRDE) assembly and differential electrochemical mass...
Sinead P Blaber et al.
PloS one, 8(1), e52997-e52997 (2013-01-10)
Stem cells are increasingly the focus of translational research as well as having emerging roles in human cellular therapy. To support these uses there is a need for improved methods for in vivo cell localization and tracking. In this study...
Siegfried R Waldvogel et al.
Topics in current chemistry, 320, 1-31 (2011-04-01)
Boron-doped diamond (BDD) electrodes provide an unusually wide electrochemical window in protic media, since there exist large offset potentials for the evolution of molecular hydrogen and oxygen, respectively. At the anode, alcohols are specifically converted to alkoxyl radicals. These can...
Photocatalysis: a source of energetic electrons.
Christoph E Nebel
Nature materials, 12(9), 780-781 (2013-07-03)
Hua Dong et al.
Frontiers in bioscience (Scholar edition), 3, 518-540 (2011-01-05)
Since the fabrication of the first diamond electrode in the mid 1980s, repid progress has been made on the development and application of this new type of electrode material. Boron-doped diamond (BDD) electrodes exhibit outstanding properties compared to oxygen-containing sp2...
Molecule of the year. Diamond: glittering prize for materials science.
R L Guyer et al.
Science (New York, N.Y.), 250(4988), 1640-1643 (1990-12-21)
Microwave plasma deposition and mechanical treatment of single crystals and polycrystalline diamond films
Ashkihazi EE, et al.
Inorganic Materials, 5(3), 230-236 (2014)
Ritwik Kumar Roy et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 83(1), 72-84 (2007-02-08)
Owing to its superior tribological and mechanical properties with corrosion resistance, biocompatibility, and hemocompatibility, diamond-like carbon (DLC) has emerged as a promising material for biomedical applications. DLC films with various atomic bond structures and compositions are finding places in orthopedic...
Diamond microelectrodes and their applications in biological studies.
Carlos A Martínez-Huitle
Small (Weinheim an der Bergstrasse, Germany), 3(9), 1474-1476 (2007-07-25)
Magnetic field imaging and more.
Daniel Evanko
Nature methods, 10(6), 468-468 (2013-07-20)
Tomoaki Masuzawa et al.
Sensors (Basel, Switzerland), 13(10), 13744-13778 (2013-10-25)
Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. In addition, a-Se is reported to show sensitivity against...
Jorge Varanda et al.
Medical history, 58(1), 87-105 (2013-12-18)
The Companhia de Diamantes de Angola, or Diamang, mined for diamonds in colonial Angola from 1917 until independence in 1975. The enterprise's Health Services Division (SSD) was responsible for supplying mine managers with an African labour force comprised of healthy...
Imaging: Magnetic bacteria on a diamond plate.
Mihály Pósfai et al.
Nature, 496(7446), 442-443 (2013-04-27)
Priyanka Gupta et al.
Australian orthodontic journal, 28(2), 240-244 (2013-01-12)
The purpose of this study was to evaluate the ultramorphology and surface roughness of permanent tooth enamel after various post-stripping polishing methods. Sixty extracted, permanent lower incisors were randomly assigned to two groups (Group A and Group B). Group A...
Jayakumar Shalini et al.
Nanoscale, 5(3), 1159-1167 (2013-01-05)
Significant difference was observed for the simultaneous detection of dopamine (DA), ascorbic acid (AA), and uric acid (UA) mixture using nitrogen incorporated diamond nanowire (DNW) film electrodes grown by microwave plasma enhanced chemical vapor deposition. For the simultaneous sensing of...
Fei-Peng Lee et al.
Biofouling, 29(3), 295-305 (2013-03-27)
Hydrogenated Cu-incorporated diamond-like carbon (a-C:H/Cu) films were prepared in the present study using a radio-frequency plasma magnetron sputtering system at various CH4/Ar gas ratios. The a-C:H/Cu films were characterized by scanning electron microscopy, atomic force microscopy, Raman spectroscopy, transmission electron...
Mikhail V Korobov et al.
Nanoscale, 5(4), 1529-1536 (2013-01-15)
Detonation nanodiamond (ND) is a suitable source material to produce unique samples consisting of almost uniform diamond nanocrystals (d = 3-5 nm). Such samples exist in the form of long stable aqueous dispersions with narrow size distribution of diamond particles....
Brian McCall et al.
Optics express, 21(3), 3557-3572 (2013-03-14)
A novel method for fabricating lens arrays and other non-rotationally symmetric free-form optics is presented. This is a diamond machining technique using 4 controlled axes of motion - X, Y, Z, and C. As in 3-axis diamond micro-milling, a diamond...
页码 1 来自 2
页码 1 来自 2