Advances in validation, risk and uncertainty assessment of bioanalytical methods

E Rozet, RD Marini, E Ziemons, B Boulanger… - … of pharmaceutical and …, 2011 - Elsevier
Bioanalytical method validation is a mandatory step to evaluate the ability of developed
methods to provide accurate results for their routine application in order to trust the critical …

Linear regression for calibration lines revisited: weighting schemes for bioanalytical methods

AM Almeida, MM Castel-Branco, AC Falcão - Journal of Chromatography B, 2002 - Elsevier
When the assumption of homoscedasticity is not met for analytical data, a simple and
effective way to counteract the greater influence of the greater concentrations on the fitted …

Assessment of goodness-of-fit for the main analytical calibration models: Guidelines and case studies

F Raposo, D Barcelo - TrAC Trends in Analytical Chemistry, 2021 - Elsevier
This critical review paper will discuss the main analytical calibration models as well as the
guidelines for their practical use. The main models used to fit a multiple-point calibration …

Percent residual accuracy for quantifying goodness-of-fit of linear calibration curves

BA Logue, E Manandhar - Talanta, 2018 - Elsevier
Linear models for calibration curves are overwhelmingly created based on minimization of
least squares error, with their goodness-of-fit (GOF) quantified using the square of the …

Fitting models to data: residual analysis, a primer

J Martin, DDR De Adana… - … quantification and model …, 2017 - books.google.com
The aim of this chapter is to show checking the underlying assumptions (the errors are
independent, have a zero mean, a constant variance and follows a normal distribution) in a …

Photothermal 2d nanosheets combined with astragaloside iv for antibacterial properties and promoting angiogenesis to treat infected wounds

L Liu, W Wang, W Hong, Y **, L Wang, S Liu… - … in Bioengineering and …, 2022 - frontiersin.org
Bacterial infection, inflammatory disorder, and poor angiogenesis of tissue in chronic
wounds are the main reasons why wounds are difficult to heal. In this study, a novel MSN …

A new approach to evaluate regression models during validation of bioanalytical assays

T Singtoroj, J Tarning, A Annerberg, M Ashton… - … of pharmaceutical and …, 2006 - Elsevier
The quality of bioanalytical data is highly dependent on using an appropriate regression
model for calibration curves. Non-weighted linear regression has traditionally been used but …

Development and validation of a simple LC-MS/MS method for simultaneous determination of moxifloxacin, levofloxacin, prothionamide, pyrazinamide and ethambutol …

X Zheng, EM Jongedijk, Y Hu, J Kuhlin, R Zheng… - … of Chromatography B, 2020 - Elsevier
Abstract Treatment of multidrug-resistant tuberculosis (MDR-TB) is challenging due to high
treatment failure rate and adverse drug events. This study aimed to develop and validate a …

Weighted linear regression improves accuracy of quantitative elemental bioimaging by means of LA-ICP-MS

SKI Funke, M Sperling, U Karst - Analytical Chemistry, 2021 - ACS Publications
The application of ordinary least squares (OLS) linear regression is widely used in order to
approximate linear external calibration data. However, the assumption of homoscedasticity …

Direct quantification in bioanalytical LC–MS/MS using internal calibration via analyte/stable isotope ratio

LB Nilsson, G Eklund - Journal of pharmaceutical and biomedical analysis, 2007 - Elsevier
The possibility to rationalize and simplify bioanalysis, without compromising the analytical
quality, by omitting the calibration curves was studied. Using mass spectrometry (MS) and a …