a sensitive fluorometric method for the determination of deferiprone (dfp) based on the formation of a luminescent complex with tb3+ ions in aqueous solutions is reported. the maximum excitation and emission wavelengths were 295 and 545 nm, respectively. the effects of various factors on the luminescence intensity of the system were investigated and optimized, then under the optimum conditions,...

there is a great interest in developing rapid analytical methods and provide appropriate parametersfor quantitative analysis of compounds derived from refractory pollutants. such methods are important forroutine quality control analysis of an effluent before being discharged into the environment. therefore, a rapid methodology for identification and quantification of some aliphatic acids is pro...

background and objectives: this study aimed to develop and validate a food frequency questionnaire (ffq) for measuring calcium intake in 9-13 years old children in tehran, iran. materials and methods: a 56-item ffq containing main contributors of calcium in iranian diet was designed. criterion validity of the calcium specific ffq was evaluated through comparing its result with five 24-h recalls...

Vascular disease is a leading cause of death and disability in the western world. Diagnosis and staging of atherosclerosis is a challenge, especially with regards to the identification of plaque vulnerability. We are developing imaging methods based upon MRI and intravascular microcoils. In order to rigorously validate our MRI imaging methods and algorithms, we have developed a new cryo-imaging...

OBJECTIVE To develop and validate a new short and simple measure of health-related quality of life (HRQL) in children with juvenile idiopathic arthritis (JIA). METHODS The Paediatric Rheumatology Quality of Life Scale (PRQL) is a 10-item questionnaire that explores HRQL in two domains: physical health (PhH) and psychosocial health (PsH). Validation of the parent proxy report and child self-re...

Biometrical systems are of the most interesting research subject matters in the last years. Face biometrics is noteworthy one because of its simple accessibility, easy usage and the ability of better acceptance by persons. The process of facial recognition includes these phases: Pre-processing of images, extracting important properties of the face, and finally, the classification of these prope...

BACKGROUND Prescribing is an essential skill for all physicians, built on knowledge of clinical pharmacology, therapeutics and toxicology across the life cycle. The decline in organized clinical pharmacology training in medical schools, combined with an expanding pharmacopeia and increasing complexity of patient care, makes prescribing competency difficult for medical students to master. OBJE...

OBJECTIVE To analyze the validation, internal consistency and reliability of the satisfaction scale for performing physical activity among Brazilian adults. METHODS The satisfaction scale for the performance of physical activity was applied using a multidimensional questionnaire. Face-to-face interviews were performed with 1,461 subjects (63.7% females) who were at least 18 years in Curitiba,...

Background. Depression is a serious mental health disease. Globally, it is estimated that almost 350 million people suffer from depression. It is important to assess depression literacy including knowledge and beliefs about mental disorders among adolescents. Objective. This study was conducted to validate the Arabic version of the Depression Literacy Questionnaire (D-Lit) among adolescents. Me...

There have been sparse reports in literature of avulsion and degloving injuries of individual areas of face like the nose, eyelids, ear and even mandible. Hemi-facial degloving is extremely rare. We present a case of post-assault degloving of the nose, part of forehead with anterior wall of frontal sinus, entire upper and lower eyelids and the cheek. Proper planning and staging of the surgical ...