Abstract: Main parameters of the Zincon method for spectrophotometrical detection of Zn (II) metal ions in water were optimized for application on a miniaturized and portable device, for continuous monitoring of water pollution. The aim was the reduction of involved volumes, manageable by a microfluidic device, the choice of suitable solvents and buffers, the optimization of reagents amounts and aging times and the irradiation of the sample by a single wavelength visible source. The influence of each parameter was investigated individually with respect to a reference method; finally, all the optimized values were merged and verified on a bench prototype to test any possible mutual effect.

• Publication Date: 24-Apr-2019
• DOI: 10.15224/978-1-63248-167-2-03
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Abstract: Low back pain (LBP) is a common disorder involving the muscles, nerves, and bones of the back. (Hoy D Bain, 2012) Pain can vary from a dull constant ache to a sudden sharp feeling. The condition may be further classified by the underlying cause as either mechanical, non-mechanical, or referred pain. The symptoms of low back pain usually improve within a few weeks from the time they start, with 40% to 90% of people completely better by six weeks.Low back pain is a common condition during pregnancy, affecting more than two-thirds of pregnant women. (Vermani E 2010) It has been reported that low back pain affects between 45% and 75% of women at some time during their pregnancy. (Liddle SE, 2015) Pregnancy related low back pain may be due to changes in ligament laxity and posture, there are several causes of low back pain during pregnancy, including lumbosacral disc herniation, musculoskeletal diseases, pregnancy related osteoporosis, and sacral stress fractures. However patients and clini

• Publication Date: 24-Apr-2019
• DOI: 10.15224/978-1-63248-167-2-04
• Views: 0
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