Nanotechnology is an innovative method of freely controlling nanometre-sized materials 1 .
Recent outbreaks of mucosal infectious diseases have increased the demands for …

OBJECTIVE: A positron emission tomography (PET) study has suggested that dopamine
transporter density of the caudate/putamen is reduced in methamphetamine users. The authors …

Context In animals, methamphetamine is known to have a neurotoxic effect on serotonin
neurons, which have been implicated in the regulation of mood, anxiety, and aggression. It …

OBJECTIVE: The authors examined dopamine transporter density in the orbitofrontal cortex,
dorsolateral prefrontal cortex, and amygdala in methamphetamine users and assessed the …

Transection of the direct cortico-motoneuronal pathway at the mid-cervical segment of the
spinal cord in the macaque monkey results in a transient impairment of finger movements. …

Laughter or smile is one of the emotional expressions of pleasantness with characteristic
contraction of the facial muscles, of which the neural substrate remains to be explored. This …

Recent advances in functional imaging of human brain activity in stroke patients, eg, functional
magnetic resonance imaging, have revealed that cortical hemisphere contralateral to the …

Repeated injection of polyethyleneglycol-modified (PEGylated) liposomes causes a rapid
clearance of them from the bloodstream, this phenomenon is called accelerated blood …

The ammonium ion is an indispensable nitrogen source for crops, especially paddy rice (Oryza
sativa L. cv Nipponbare). Until now, it has been impossible to measure ammonium …

R-ketamine appears to be a potent, long-lasting and safer antidepressant, relative to
esketamine (S-ketamine), since it might be free of psychotomimetic side effects. Using [ 11 C]…