Descripción: “...Conclusions: the donor selection may be based on hemoglobin given byhemoglobinometer whose quantifications are interchangeable with theSysmex XE2100.Keywords Hemoglobins; Blood Donors; Hemoglobinometry; Smoking;Reticulocytes; Motor Activity; Sex. ...”

Descripción: “...This paper proposes an alternative method of pulse width modulation for controlling the mean light intensity level, whose principle is a pulse width nodulation of the current applied to the LEDs in the emitting stage. ...”