A graphical method of analysis applicable to ligands that bind reversibly to receptors or
enzymes requiring the simultaneous measurement of plasma and tissue radioactivities for …

METHODS Radiopharmaceufical synthesis.[18F] 2-deoxy-2-fluoro-D-glucose (Fi 8-DO) was
prepared as pre viously described (2, 1 1, 12). Typical specific activi ties used in these …

Several studies have documented a strong association between smoking and depression.
Because cigarette smoke has been reported to inhibit monoamine oxidase (MAO) A in vitro …

This study images dopamine release in response to a neurochemically specific challenge
with the psychostimulant drug methylphenidate. Changes in synaptic dopamine induced by …

This paper presents a symbol level account of some of the representation and reasoning
structures within the LOOM knowledge representation system. Reasoning in LOOM centers …

Certain DNA and RNA sequences can form G-quadruplexes, which can affect promoter activity,
genetic instability, RNA splicing, translation, and neurite mRNA localization. Amyotrophic …

Purpose – To develop a basic model of e‐commerce adoption barriers to small businesses
located in regional areas of developed countries. Design/methodology/approach – An …

Today, electronic commerce (e-commerce) has been utilised as a rapid vehicle to transform
the world into an information society. In the business environment, e-commerce has made …

The first direct measurements of cocaine binding in the brain of normal human volunteers and
baboons have been made by using positron emission tomography (PET) and tracer doses …

Crystallographic studies of myoglobin have shown that the haem pocket is lined with nonpolar
amino-acid residues 1 . In order to estimate the true polarity of the interior of proteins, …