In-Situ Observation of Freeze Fractured and Deep Etched Red Blood Cells with a High-Vacuum Low-Temperature Atomic Force Microscope

2003 ◽  
Author(s):  
Keiichi Nakamoto
Keyword(s):  
Low Temperature ◽  
Red Blood Cells ◽  
Atomic Force Microscope ◽  
Blood Cells ◽  
High Vacuum ◽  
In Situ Observation ◽  
Atomic Force

In Situ Observation of Freeze Fractured Red Blood Cells with a High-Vacuum Low-Temperature Atomic Force Microscope

2004 ◽  
Vol 10 (S02) ◽  
pp. 1098-1099
Author(s):  
Charles B Mooney ◽  
Keiichi Nakamoto ◽  
Shin-ichi Kitamura
Keyword(s):  
Low Temperature ◽  
Red Blood Cells ◽  
Atomic Force Microscope ◽  
Blood Cells ◽  
High Vacuum ◽  
In Situ Observation ◽  
Atomic Force

Extended abstract of a paper presented at Microscopy and Microanalysis 2004 in Savannah, Georgia, USA, August 1–5, 2004.

scholarly journals In situ observation of streptavidin-biotin binding on an immunoassay well surface using an atomic force microscope

FEBS Letters ◽  
1996 ◽  
Vol 390 (2) ◽  
pp. 161-164 ◽  
Author(s):  
S. Allen ◽  
J. Davies ◽  
A.C. Dawkes ◽  
M.C. Davies ◽  
J.C. Edwards ◽  
...  
Keyword(s):  
Atomic Force Microscope ◽  
In Situ Observation ◽  
Atomic Force ◽  
Biotin Binding

Low Temperature Synthesis of Carbon Nanotube on Si substrate Using Alcohol Gas Source in High Vacuum

2007 ◽  
Vol 1057 ◽  
Author(s):  
Takahiro Maruyama ◽  
Kenji Tanioku ◽  
Shigeya Naritsuka
Keyword(s):  
Low Temperature ◽  
Growth Temperature ◽  
Intensity Ratio ◽  
High Vacuum ◽  
In Situ Observation ◽  
Si Substrate ◽  
Growth Pressure ◽  
Gas Source ◽  
In Situ Observations

ABSTRACTConventional alcohol catalytic chemical vapor deposition (ACCVD) growth of carbon nanotubes (CNTs) have been carried out under ambient gases from 103 to105 Pa. These ambient gas pressures have prevented in situ observations using an electron beam during CNT growth, such as scanning electron microscopy (SEM), scanning tunneling microscopy (STM). Therefore, in order to realize the in situ observations and to clarify the growth mechanism of nanotube, CNT growth in a high vacuum is essential. In addition, the effects of residual gases also may be avoided in the growth under high vacuum. In this study, we carried out CNT growth under high vacuum using an alcohol gas source in an ultrahigh vacuum (UHV) chamber and we achieved CNT growth below 400°C without any excitation processes of carbon source. After deposition of Co catalyst of 1 nm in thickness on SiO2/Si substrate, ethanol gas was supplied to the substrate surface through a stainless steel nozzle in the UHV chamber. The growth temperature was monitored by a pyrometer during the growth, and set between 350 and 900°C. The supply of ethanol gas was controlled by monitoring an ambient pressure, which was varied from 1 ∼10-1 to 1 ∼10-4 Pa. The grown CNTs were characterized by SEM and Raman spectroscopy. The G/Si intensity ratio reached its maximum at 700°C, when the pressure was 1 ∼10-1 Pa. The maximum point of the G/Si peak intensity shifted to a lower temperature as the growth pressure decreased. When the pressure was 1 ∼10-4 Pa, the G/Si intensity ratio reached its maximum at 400°C, at which clear RBM peaks were observed in the Raman spectrum. From the RBM peaks, the CNT diameters were estimated to be between 0.9 to 1.7 nm, and CNTs of 1.2-1.4 nm in diameter were dominant at 1 ∼10-1 Pa, whereas thinner CNTs (diameter is below 1.0 nm) were increased with the reduction of the pressure. Our largest G/D ratio was about 40 for the sample grown at 1 ∼10-1 Pa, which is considerably larger than the reported value for the CNTs grown under low pressure. From these results, we conclude that the reduction of the growth pressure lowers the growth temperature. This technique can be applied to in situ observation, and may also be useful for low temperature growth of CNTs, which opens new possibilities for the fabrication of CNT based nanodevices.

Imaging Uremic Red Blood Cells with the Atomic Force Microscope

1994 ◽  
Vol 14 (3) ◽  
pp. 197-200 ◽  
Author(s):  
Pierre Zachée ◽  
Marc Boogaerts ◽  
Johan Snauwaert ◽  
Louis Hellemans
Keyword(s):  
Red Blood Cells ◽  
Atomic Force Microscope ◽  
Blood Cells ◽  
Atomic Force

In-situ Observation of Fatigue Crack Growth in α-brass by Atomic Force Microscope

2000 ◽  
Vol 2000.3 (0) ◽  
pp. 217-218
Author(s):  
Atsushi SUGETA ◽  
Yoshihiko UEMATSU ◽  
Keitarou TOMITA ◽  
Masahiro JONO
Keyword(s):  
Fatigue Crack ◽  
Fatigue Crack Growth ◽  
Atomic Force Microscope ◽  
Crack Growth ◽  
In Situ Observation ◽  
Atomic Force

In situ studies of the atomic layer deposition of thin HfO2 dielectrics by ultra high vacuum atomic force microscope

2010 ◽  
Vol 518 (16) ◽  
pp. 4688-4691 ◽  
Author(s):  
Krzysztof Kolanek ◽  
Massimo Tallarida ◽  
Konstantin Karavaev ◽  
Dieter Schmeisser
Keyword(s):  
Atomic Layer Deposition ◽  
Atomic Force Microscope ◽  
High Vacuum ◽  
Atomic Layer ◽  
Ultra High Vacuum ◽  
In Situ Studies ◽  
Atomic Force ◽  
Layer Deposition
Sign in / Sign up

Export Citation Format

Share Document