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Effect of the Bleaching on Physical and Mechanical Properties of Different Fabrics
Giulia Dalla Fontana,Alessio Varesano,Claudia Vineis 한국섬유공학회 2018 Fibers and polymers Vol.19 No.12
Two different commercial bleaching products containing hypochlorite were used on different fabrics (plain-weave cotton, knitted cotton, plain-weave polyester-cotton and knitted lycra-cotton) to verify possible fibres damages. Bleaching products differ each other for the alkaline formulation. In particular, one of them has an alkaline bleaching formulation and the other has a low-alkaline bleaching formulation. The degree of whiteness, the tensile and bursting strength, and the thermal and surface properties were evaluated after a different number of washing cycles. The obtained results reveal that the alkaline bleaching product is better than the low-alkaline bleaching product in maintaining mechanical properties and in improving optical properties of the fabrics.
Multichannel Intraluminal Impedance and pH Monitoring: A Step Towards Pediatric Reference Values
( Francesco Cresi ),( Elena Andrea Cester ),( Silvia Salvatore ),( Domenico Umberto De Rose ),( Antonio Ripepi ),( Anna Maria Magist ),( Claudia Fontana ),( Elena Maggiora ),( Alessandra Coscia ),( Ru 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2020 Journal of Neurogastroenterology and Motility (JNM Vol.26 No.3
Background/Aims Combined multichannel intraluminal impedance and pH monitoring (MII/pH) is considered the most accurate test to detect gastroesophageal reflux (GER), however lacking reference values. We aim to determine reference values for the pediatric population and to correlate these values with age and postprandial/fasting period. Methods We evaluated MII/pH traces from patients (newborns, infants, and children) admitted to 3 Italian hospitals and who underwent MII/ pH for suspected GER disease. Patients with MII/pH traces that showed significant symptom-reflux associations and/or a pathological reflux index (> 6% for newborns and infants, > 3% for children) were excluded. Traces were analysed in their entirety, and in the postprandial period (first hour after a meal) and the fasting period (the following hours before the next meal) separately. Results A total of 195 patients (46 newborns, 83 infants, and 66 children) were included. Age positively correlated with frequency of acidic GER events (r = 0.37, P < 0.05) and negatively associated with weakly acidic GER events (r = 0.46, P < 0.05). Conclusions This study describes the distribution of MII/pH values in a pediatric population with normally acidic GER exposure and no significant association between GER events and symptoms. These MII/pH values may be used as reference values in clinical practice for a corrected GER disease diagnosis in the pediatric population. (J Neurogastroenterol Motil 2020;26:370-377)