Search

everythingexperts & clinicslearnfaqsresearchcommunity

for

Search:↓

In this study, researchers observed low variability in hair formoterol concentrations for COPD patients with stable adherence, but inter-patient differences and other factors may limit the effectiveness of hair analysis as a reliable tool for assessing medication adherence.

In this study, researchers analyzed the chemical constituents of male and female Gynostemma longipes plants and different parts like roots and leaves, identifying significant variations in metabolites which could aid in assessing and selecting quality medicinal materials.

This article reviews recent advancements in forensic hair testing, emphasizing its growing use for detecting past substance exposure, identifying emerging trends like micro-segmentation and hair scanning, and proposing standardized procedures to improve reliability and application in forensic toxicology.

In this study, researchers found that adding coffee grounds to neutral shampoo, a popular DIY trend, resulted in peak caffeine extraction after seven days, with concentrations surpassing those in commercial products, suggesting educational potential for chemistry classes.

This study found a significant association between androgenetic alopecia and both hypertension and diabetes mellitus among patients at UMI Faculty of Medicine, RS Ibnu Sina, and Menara UMI Makassar.

This study developed a new measurement procedure using isotope dilution-liquid chromatography-tandem mass spectrometry for accurate quantification of DHEAS in human serum or plasma, demonstrating high selectivity, sensitivity, and low measurement uncertainty, making it suitable for routine standardization and clinical evaluation.

This study reported that derivatization with 5-butylpicolinic acid improved the sensitivity for detecting testosterone and DHT in saliva using LC-ESI-MS/MS, with minimal interference from the saliva matrix.

This study developed a reliable HPLC-UV/Vis method to determine aluminum phthalocyanine chloride in skin, supporting its use in skin permeation studies for photodynamic therapy of cutaneous tumors.

This study demonstrated that using lead-doped keratin film as a calibration standard allows for accurate tracking of lead distribution along hair strands, revealing different exposure patterns among workers in a battery manufacturing factory in Thailand.

This study reported the development of two highly sensitive ELISA assays to detect banned substances finasteride and dutasteride in human urine, offering better sensitivity than existing HPLC/MS/MS methods.

This study found that hair samples from chronic tramadol and cannabis users showed positive drug presence for 3-4 months and 6-7 months, respectively, after discontinuation.

This study reported a simple and validated gas chromatography method to accurately measure finasteride in tablets, showing equivalency to the official method with no significant differences.

This study presented a new method for accurately measuring Fe³⁺ in small serum samples, achieving high recovery rates and agreement with established testing methods, while offering advantages such as cost-effectiveness, simplicity, and enhanced sensitivity.

This study demonstrated that a flow injection method using potassium permanganate for detecting minoxidil provided accurate recoveries and agreed closely with HPLC results, showing potential for effective analysis of commercial samples.

This study developed a spectrophotometric method to determine minoxidil in pharmaceuticals, creating a highly sensitive, simple, and cost-effective approach using a synthesized charge transfer complex with a notable absorption peak at 505 nm.

This study found that a single application of 'Lye' or 'No-Lye' chemical straighteners significantly reduced drug concentrations in hair samples from both drug-fortified standards and authentic drug users.

This review discusses the analysis of pharmaceutical relics from prehistoric times to the twentieth century and emphasizes the need for a multifaceted approach, but it presents no new experimental results.

Validated method reliably measures finasteride in tablets using liquid chromatography.

This study suggests that sebum samples can be effectively stored and transported with less stringent requirements than liquid samples, making them suitable for remote or at-home collection before clinical analysis.

This study reports that dutasteride, used alone or with tamsulosin, effectively reduces acute urine retention and surgery risk in men with benign prostatic hyperplasia, and may lower prostate cancer incidence, suggesting potential chemopreventive benefits.

This study suggests a decision tree using in vitro metabolic clearance to identify early drug candidates likely to experience nonlinear pharmacokinetics due to intestinal CYP3A-related metabolism.

This study reviewed the current analytical techniques for estimating finasteride, a drug used for treating benign prostatic hyperplasia, acute urine retention, and male pattern hair loss.

This review discusses various chemical and instrumental methods for determining macrolides and reports no new experimental results.

This study found that a hydro-alcoholic extract of Roselle petals may reduce free radical production during UV-induced photodecomposition of antibiotics, potentially offering protective benefits for patients using similar topical antibiotics.

This study observed that bacterial communities on scalp hair collected through non-invasive swabbing showed similar diversity and composition to those obtained by cutting or removing hair, suggesting that swabbing is an effective method for microbiome analysis on hair.

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

This review discusses the pharmacological properties and analytical methods for determining fluconazole but reports no new experimental findings.

This article discusses fluconazole's pharmacological and physicochemical properties and methods for its analysis, but reports no new clinical results.

This study described a potentiometric titration method for determining minoxidil, which showed recoveries of 97.4 to 98.7% and agreed with chromatographic results within a 90% confidence level.

This study found that sex hormone-binding globulin promotes facial aging, while sex steroid hormones such as testosterone and estradiol inhibit it, with growth hormone levels showing no significant effect.