in this study, a high-performance liquid chromatographic method (hplc) and uv spectrophotometric method were developed, validated and applied for the determination of theophylline in biological fluids. liquid- liquid extraction is performed for isolation of the drug and elimination of plasma and saliva interferences. urine samples were applied without any extraction. the chromatographic separat...

introduction: urinary tract infection is a prevalent infection disease that many patients referred to the physician for this problem. about 20-40% of women experience symptomatic urinary tract infection for at least one time in their life. early diagnosis and treatment lead to recovery much of the times. regarding the higher prevalence of the urinary tract infection in women, we designed this s...

introduction: the present study aims to compare bile and urine samples of a corpse for detection of morphine. methods: in this cross-sectional study, forensic examination of the bodies placed 59 of the 366 referred corpses at the high suspicion of opioid overdose. urine and bile samples of the bodies were analyzed for morphine using thin layer chromatography. results: all samples were taken fro...

urine dipstick is a useful and commonly used test because of its rapidity and low cost; however its diagnostic accuracy is debatable. this research were carried out to determine sensitivity, specificity and positive and negative predictive values of nitrite (nit) and leukocyte esterase (le) testing in relation to urine culture. this research was conducted on 100 hospitalized patients with clini...

pasteurella species are commensal bacteria of the respiratory airways and oronasal cavity of animals. in this study, we report an unusual case of pasteurella dagmatis isolation from dog urine with uroliths. an 11-year-old female dog was admitted to the veterinary hospital of ahvaz university complaining of abdominal pain, hematuria, dysuria and stranguria. in clinical and radiological examinati...

welding is a process in which two or more metals are attached by the use of heat and, in some cases, pressure. direct exposure and inhalation of welding fumes causes acute and chronic side effects in humans. kidney damage is one of these important side effects. β2 microglobulin is an 11.8 kilodalton protein and levels increase in the case of some inflammatory and viral diseases, or kidney malfu...

introduction: urine morphine test, in several countries is the most primarily available qualitative test for detecting opioid abusers. since the users of illicit drugs attempt to defeat urine tests and there are also plenty of claims that usage of hd (high dose) contraceptive pills can result in false-negative results, we decided to design the present study to investigate the probable in vitro ...

A supramolecular probe is designed for visual detection of potassium based on a novel cyanine dye aggregate recognizing the motif transition of telomeric G-quadruplexes under the Na(+) background. The practical application for colorimetric measurement of urine potassium has been tested.