29 research outputs found
Repeated Enterocutaneous Fistula in a Munchausen Syndrome Patient
Munchausen syndrome is a rare type of mental disorder in which the patient fakes illness to gain attention and sympathy. Patients may lie about symptoms, make themselves appear sick, or make themselves purposely unwell. We describe a case of repeated enterocutaneous fistula in Munchausen syndrome. A 53-year-old Japanese male was admitted to our hospital for the treatment of a high-flow enterocutaneous fistula. Surgery was performed two times, but the fistula recurred each time. Chopsticks with blood on them were coincidentally detected in the trash in the patient’s room. It was revealed that the enterocutaneous fistula was caused by self-mutilation. A psychiatrist was consulted, and the patient was diagnosed with Munchausen syndrome. The psychiatrist initiated treatment and the patient admitted the self-harm. His prolonged wound site was closed and he was able to be discharged. There has been no recurrence of the self-harm as of this writing, 3 years later. The treatment of Munchausen syndrome is difficult and early detection is important
Naphthalene’s Six Shades on Graphite: A Detailed Study on the Polymorphism of an Apparently Simple System
Biological Monitoring of Solar UV Radiation at 17 Sites in Asia, Europe and South America from 1999 to 2004
Spectroscopic Investigation of Unoccupied States in Nano- and Macroscopic Scale: Naphthalene Overlayers on Highly Oriented Pyrolytic Graphite Studied by Combination of Scanning Tunneling Microscopy and Two-Photon Photoemission
We have clarified the correlation
between geometric and electronic
structures of naphthalene ultrathin films on graphite using a combination
of scanning tunneling microscopy (STM) and two-photon photoemission
(2PPE) spectroscopy. Depending on the geometrical superstructure,
as characterized by STM, shifts in the first image potential states
are observed by STM-based local spectroscopy on the nanometer scale,
which is consistent with coverage-dependent 2PPE spectra measured
on the macroscale. An adsorption-induced unoccupied feature, which
is specific to the (2√3×2√3) R30° superstructure,
is detected at submonolayer coverages and is assigned to the lowest
unoccupied molecular orbital (LUMO) derived level. It is interesting
that the LUMO feature disappears for multilayer films. These behaviors
indicate that a drastic change in electronic states occurs at the
organic/metal interface associated with the change in the geometric
structure
Dispersive Electronic States of the π‑Orbitals Stacking in Single Molecular Lines on the Si(001)-(2×1)‑H Surface
One-dimensional (1D) molecular assemblies
have been considered
as one of the potential candidates for miniaturized electronic circuits
in organic electronics. Here, we present the quantitative experimental
measurements of the dispersive electronic feature of 1D benzophenone
molecular assemblies on the Si(001)-(2×1)-H. The well-aligned
molecular lines and their certain electronic state dispersion were
observed by scanning tunneling microscopy (STM) and angle-resolved
ultraviolet photoemission spectroscopy (ARUPS), respectively. Density
functional theory (DFT) calculations reproduced not only the experimental
STM image but also the dispersive features that originated from the
stacking phenyl π-orbitals in the molecular assembly. We obtained
the effective mass of 2.0<i>m</i><sub>e</sub> for the hole
carrier along the dispersive electronic state, which was comparable
to those of the single-crystal molecules widely used in organic electronic
applications. These results ensure the one-dimensionally delocalized
electronic states in the molecular lines, which is requisitely demanded
for a charge-transport wire