Recent development of respiratory rate measurement technologies

Respiratory rate (RR) is an important physiological parameter whose abnormity has been regarded as an important indicator of serious illness. In order to make RR monitoring simple to do, reliable and accurate, many different methods have been proposed for such automatic monitoring. According to the theory of respiratory rate extraction, methods are categorized into three modalities: extracting RR from other physiological signals, RR measurement based on respiratory movements, and RR measurement based on airflow. The merits and limitations of each method are highlighted and discussed. In addition, current works are summarized to suggest key directions for the development of future RR monitoring methodologies

Epidermal radio-sensors for wireless detection of physiological parameters and sense augmentation

Human skin acts as the largest interface between the human body and the external environment, continuously interrogated by the central nervous system. The skin converts data flows from the inside to the outer environment and vice versa. Such interaction can be boosted by epidermal radio-sensors providing portions of a second skin suitable to capture and transmit physiologic parameters to environmental nodes as well to measure physical features of objects, thus restoring or augmenting the human senses. This contribution resumes epidermal antennas for application to the above two kinds of interactions for the measurements of temperature and breath and for the augmentation of the object perception

PROGETTO REXIC (RETROSPECTIONAL CROSSSECTIONAL STUDY ON DOCUMENTATION OF INFORMED CONSENT FOR RESEARCH BIOBANKING IN A PUBLIC RESEARCH AND TEACHING HOSPITAL) PER LA VALUTAZIONE DEL CONSENSO INFORMATO AL BIOBANCAGGIO

Il progetto REXIC ha lo scopo di valutare qualit\ue0 e completezza dei consensi per il biobancaggio dei materiali biologici utilizzati presso il Policlinico di Milano

Idrogeli a base di xyloglucano per la produzione di medicazioni avanzate nel trattamento delle ferite

In questo lavoro sono stati preparati film sottili di idrogelo (reticolati fisicamente o chimicamente) a base di xyloglucano (XG) e XG/polivinilalcol (PVA), a cui si \ue8 aggiunto glicerolo come plasticizzante. Lo xyloglucano \ue8 un polisaccaride di origine vegetale, caratterizzato da una catena principale di (1,4)-\uf062-Dglucosio con ramificazioni laterali di (1-6)-\u3b1-xilosio, parzialmente sostituite con (1-2)\u2013\u3b2 galattosio. E\u2019 stata indagata la possibilit\ue0 di modulare la densit\ue0 di reticolazione dell\u2019idrogelo per ottenere il miglior compromesso tra resistenza meccanica e flessibilit\ue0, l\u2019integrit\ue0 strutturale nel tempo e la capacit\ue0 di assorbire fluidi biologici o trattenere l\u2019umidit\ue0. Inoltre, ne \ue8 stata verificata la biocompatibilit\ue0 ed emocompatibilit\ue0, la permeabilit\ue0 ai batteri e le propriet\ue0 bioadesive

Multiresistent Pseudomonas aeruginosa: high mortality in children undergoing haematopoietic stam cell transplantation

Risulta of a retrospective study on Gram negative infections in patients who underwent HSC

Development and characterization of xyloglucan-poly(vinyl alcohol) hydrogel membrane for Wireless Smart wound dressings

Hydrogel-based smart wound dressings that combine the traditional favourable properties of hydrogels as skin care materials with sensing functions of relevant biological parameters for the remote monitoring of wound healing are under development. In particular, lightweight, ultra-high frequency radiofrequency identification (UHF RFID) sensor are adjoined to xyloglucan-poly(vinyl alcohol) hydrogel films to battery-less monitor moisture level of the bandage in contact with the skin, as well as wireless transmit the measured data to an off-body reader. This study investigates the swelling behavior of the hydrogels in contact with simulated biological fluids, and the modification of their morphology, mechanical properties, and dielectric properties in a wide range of frequencies (100–106 Hz and 108–1011 Hz). The films absorb simulated body fluids up to approximately four times their initial weight, without losing their integrity but undergoing significant microstructural changes. We observed relevant linear increases of electric conductivity and permittivity with the swelling degree, with an abrupt change of slope that is related to the network rearrangements occurring upon swelling