Results 101 to 110 of about 73,469 (269)

Can ISO/IEC 17025 serve as a tool to prevent scientific fraud in chemical research laboratories?

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Scientific fraud has been documented across multiple disciplines, and chemistry is no exception. Recent studies indicate that contamination of materials, methodological errors, and unreliable data, results, or analyses account for over 25% of retracted publications.
Flor Monica Gutierrez‐Alcantara
wiley   +1 more source

Cell Blocks and the Milan System for Reporting Salivary Gland Cytopathology: A Meta‐Analysis

open access: yesDiagnostic Cytopathology, EarlyView.
ABSTRACT Background The Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) is a classification system first released in 2018. It provides a standardized categorization for salivary gland lesions. Cell blocks can be prepared from fine‐needle aspirations (FNAs) and can be utilized for the diagnostics of salivary gland lesions.
Aada Närhi   +3 more
wiley   +1 more source

Investigations Into the Metabolism and Elimination of Tesofensine in Human Urine

open access: yesDrug Testing and Analysis, EarlyView.
This study investigated tesofensine metabolism and urinary elimination after a single 483 μg intake via a dietary supplement. In six volunteers, urine was collected up to 659 h. LC‐HRMS/MS identified four tentative metabolites; maximum urinary concentrations reached 4 ng/mL within 4–48 h.
O. Krug, A. Thomas, M. Thevis
wiley   +1 more source

Forensic Analysis on Damage of a Cable-Stayed Bridge without Backstays Using BIM Information

open access: yesApplied Sciences
Serious cracks were found in the pylon of a cable-stayed bridge without backstays. Based on forensic damage investigation, this paper uses the finite element (FE) method incorporating Building Information Modeling (BIM) to analyze the causes of cracking.
Qi Xu, Xuefei Shi, Ziqi Xu, Haiying Ma
doaj   +1 more source

Detection of Testosterone Esters in Urine: Evidence of Trace‐Level Detectability in Doping Control Samples

open access: yesDrug Testing and Analysis, EarlyView.
An ultrasensitive LC‐MS/MS method for detecting testosterone esters (T‐esters) in urine at sub–pg/mL levels is presented. This approach, employing Girard P derivatization, provides the first evidence of T‐esters' trace‐level detectability in human urine.
Daniel Pecher   +3 more
wiley   +1 more source

A Framework of Forensic Analysis and Visualization: Using WhatsApp Chat Data as a Case Study

open access: yesJOIV: International Journal on Informatics Visualization
Digital forensic analysis involves studying and analyzing acquired evidence artifacts using methodical approaches. However, unstructured data could be time-consuming and difficult in the forensic examination phase.
Shahnaz Pirzada   +3 more
doaj   +1 more source

Reproducibility of Serum Androgen Concentrations by Liquid Chromatography Mass Spectrometry in Healthy Male and Female Athletes

open access: yesDrug Testing and Analysis, EarlyView.
Box and whiskers plots show the distributions of serum testosterone (T), dihydrotestosterone (DHT), androstenedione (A4), and the ratios of T/FDHT and T/A4. ABSTRACT Detection of androgen doping relies on mass spectrometry‐based methods to detect natural endogenous and exogenous androgens in urine and serum. To distinguish exogenous administration from
D. J. Handelsman, S. Bermon
wiley   +1 more source

Microfluidic Sensors Integrated with Smartphones for Applications in Forensics, Agriculture, and Environmental Monitoring

open access: yesMicromachines
The demand for rapid, portable, and cost-effective analytical tools has driven advances in smartphone-based microfluidic sensors. By combining microfluidic precision with the accessibility and processing power of smartphones, these devices offer real ...
Tadsakamon Loima   +2 more
doaj   +1 more source

Understanding Consumption of Illicit Drugs and New Psychoactive Substances in Australia by Triangulating Drug Checking and Wastewater‐Based Epidemiology

open access: yesDrug Testing and Analysis, EarlyView.
First Australian study combining wastewater‐based epidemiology and drug checking, demonstrating how complementary data sources enhance monitoring of illicit drugs and emerging psychoactive substances during high‐use periods. ABSTRACT Consumption of psychotropic drugs is a major economic and public health challenge in Australia.
Muhammad Usman   +8 more
wiley   +1 more source

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