27 research outputs found

    Staphylococci and staphylococcal superantigens in asthma and rhinitis: a systematic review and meta-analysis

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    A potential role of S. aureus superantigens in allergic respiratory diseases is supported by results of this meta-analysis of clinical studie

    Piezoelectric properties of dry human skin

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    Mechanoelectrical conversion properties of dry human skin have been examined and their origin investigated in dermis, epidermis and horny layer. Shear stress piezoelectricity is observed in all three cutaneous sections. Piezoelectric properties of dermis can be ascribed to its collagen structural network, while the piezoelectric properties of epidermis appear to originate from partially oriented ¿-helical keratin-like tonofibrils. The highest piezoelectric coefficients have been found in horny layer samples. The values of thickness-compression piezoelectric coefficients were so low that they were not discernable from the intrinsic noise of the measuring system. Although thermally generated currents have been observed in the course of thermal pulse experiments, no evidence of relevant contributions from pyroelectric (polar) responses has been noticed in all cutaneous compartments

    Strain Sensing Fabric for Hand Posture and Gesture Monitoring

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    Monitoring body kinematics and analyzing posture and gesture is an area of major importance in bioengineering and several other connected disciplines such as rehabilitation, sport medicine and ergonomics. Recent developments of new smart materials consent the realization of a new generation of garments with distributed sensors. What we present here is a sensing glove able to detect the posture and movements of the hand
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