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Abstract Several new electrochemical devices designed for detecting ammonia and carbon dioxide in physiological samples have in common the elimination of the fragile glass pH internal electrode used in the conventional Severinghaus-design potentiometric gas sensors. In one new approach, the pH...
Abstract A new instrument has been developed that is similar in design and concept to the GeMSAEC centrifugal analyzer (Oak Ridge National Laboratory) except that electrochemical detection is used rather than optical detection. The present version has eight channels, each with its own detector....
Abstract Release tags are novel compounds made up of three molecular groups: "signal," "release," and "reactivity." The signal group is the detected part of the tag, the release group provides a site for specific covalent cleavage, and the reactivity group attaches the tag to a substance of...
Abstract Combined with current advances in microprocessor-controlled flow cytometers, monoclonal antibodies provide a rapid means of phenotyping individual cell surface markers for a large number of clinical samples accurately and reproducibly, which may provide useful information in diagnosing...
Abstract The binding of electroactively labeled estriol with estrogen-specific antibody and its subsequent displacement by unlabeled estriol have been monitored by differential pulse polarography. Estriol was found to be electro-inactive in the potential range -200 mV to -1000 mV vs a...
Abstract Even though significant progress has been made in the development of electrodes for the in vivo detection of catecholamines, oxygen, and various cations, there has been little research on the feasibility of continuously monitoring drugs in whole blood by electrochemical sensing devices....
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