in this study, a rapid, simple and sensitive ion mobility spectrometry (ims) method with corona discharge as ionization source was described for the morphine determination in human urine. morphine was extracted and purified from urine samples using solid phase extraction procedure with c18 column. it can offer the clean extracts which no extra peaks were observed in ims. under operating experim...

The effect of compost and humic acid in mobility and concentration of cadmium and chromium in contaminated soil were investigated. Experiment was carried out with three levels of soil cadmium and chromium and two organic matters (compost and humic acid). The study was performed in a randomized complete block design with 3 replicates. Results indicated that application of organic substances enha...

Social networks have been resorted to as effective platforms for social mobility in many parts of the world. This mobility occurs when social media users exploit their interpersonal relationships, especially their ‘weak ties’ (Granovetter, 1973). Social networks enable their users to be producers of information, rather than mere consumers, and to be socially and politically well-informed. They ...

Abstract Background The effectiveness of lockdowns in mitigating the spread COVID-19 has been subject intense debate. Data on relationship between public health restrictions, mobility, and pandemic growth so far conflicting. Objective We assessed restriction tiers, five contiguous units (PHUs) Greater Toronto Area (GTA) Ontario, Canada. Methods Weekly effective reproduction number (R t ) was ca...

Individual mobility is often both necessity as well as expression of independence and autonomy. Within the last decades individual mobility and logistics more and more relied on cars. While costs associated to cars and trucks decreased, traffic congestion and pollution increased. Nowadays especially metropolitan areas suffer from crowded streets and air pollution, while people experience loss o...

Critically ill patients are often immobilized as a direct result of their illness or because of the administration of sedatives and analgesics or anesthetic agents that allow patients to receive other supportive care such as mechanical ventilation. Complications of critical illness documented in the literature include pressure ulcers, delirium, weakness, critical illness polyneuromyopathy, cont...