Kotovskyi V.І.

Model of Plane Distribution of Heat Sources for Multi-Channel Matrix Oxygen Sensors

Transcutaneous polarography is one of the most objective noninvasive assessment of the capillary blood flow and microcirculation by controlling the oxygen partial pressure in the subcutaneous tissue. The outcome of research is influenced by such common factors as the oxygen content in the ambient air, the adequacy of the central hemodynamics of the patient, the presence of violations of the transport function of the blood, the pathology of the pulmonary system and local factors (disturbance of the local microcirculation, tissue edema, marked capillary spasm, etc.).

Studies into the Surface Processes of Heat Transfer of Biological Objects by Thermographic Method

In this paper, we elaborate the methods of determining the efficient heat parameters of biological objects. We study heat conduction and capacity on the surface layer of the skin cover by infrared thermography. This research is done under the standard conditions as well as under artificial restriction of blood supply aimed at determining the surface malperfusion as a factor of the pathological states

Definition and Analysis of Metrological Characteristics of Oxygen Sensor

The purpose of this paper is to develop optimum designs of oxygen sensor, technologies of sensors, and new methods of processing initial signals aimed at increasing metrological characteristics of oxygen sensor. We investigate the influence of external (atmospheric pressure, ambient temperature, availability of impurity) and internal factors of the system (design features of oxygen sensors, materials of electrodes and gaze-diffusion membranes, electrolyte structure) on sensors’ metrological characteristics.