objective: peri-implantitis is an irreversible inflammatory reaction in the soft and hard tissues around a functional implant . one of the treatment approaches of this disease include smoothing and polishing the rough surface and removing threads on the implants using rotary instruments, which is called implantoplasy. clinicians should perform implantoplasty with caution because it may raise th...

available online at http://meteoritics.org 1255 © Meteoritical Society, 2003. Printed in USA. Carbon isotope fractionation between graphite and diamond during shock experiments Teruyuki MARUOKA,1†* Christian KOEBERL,1 Jun-ichi MATSUDA,2 and Yasuhiko SYONO3 1Department of Geological Sciences, University of Vienna, Althanstrasse 14, A-1090, Vienna, Austria 2Department of Earth and Science, Gradua...

Based on the study of motion vector distribution from several commonly used test image sequences,a three step diamond search [TSDS]algorithm for fast block matching motion estimation is proposed in this paper .The performance of this algorithm is compared with other existing algorithms by means of error metrics and no of search points in this the simulation results shows that the proposed three...

A novel method of introducing a notch at a point of high magnetic field in a coplanar waveguide (cpw) radial and diamond stub resonator to increase the quality factor (Q) was analysed. For comparison both radial and diamond shaped cpw resonators with and without notches were fabricated on gallium arsenide (GaAs) semi-insulating substrate at the James Watt Nanofabrication Centre and tested in th...

A novel simple and versatile synthetic strategy is developed for the surface modification of boron-doped diamond. In a two-step procedure, polyethyleneimine is adsorbed on the hydrogenated diamond surface and subsequently modified with a model light-harvesting donor-π-bridge-acceptor molecule (coded P1). The sensitized diamond exhibits stable cathodic photocurrents under visible-light illuminat...

Donor-acceptor type light-harvesting molecular wires are covalently attached to a borondoped diamond surface via a combination of diazonium electrografting and Suzuki crosscoupling. For the Suzuki reaction, various catalytic systems are compared with respect to their imposed surface coverage. Combining 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl (SPhos) and Pd(0), the diamond coverage impro...

The new diamond-like B-C phase was obtained from the graphite-like BC phase in a laser-heated diamond anvil cell at high temperature 2230+/-140 K and high pressure 45 GPa. Raman spectra of the new phase measured at ambient conditions revealed a peak at 1315 cm(-1), which was attributed to longitudinal-optical (LO) mode. The X-Y Raman mapping was used to investigate spatial distribution of the d...