Results 41 to 50 of about 1,689,333 (189)

UPLC-ESI-MS/MS and HPTLC Method for Quantitative Estimation of Cytotoxic Glycosides and Aglycone in Bioactivity Guided Fractions of Solanum nigrum L.

open access: yesFrontiers in Pharmacology, 2017
Solanum nigrum L., is traditionally used for the management of the various liver disorders. Investigating the effect of polarity based fractionation of S.
Karishma Chester   +3 more
doaj   +1 more source

Calibration after bootstrap for accurate uncertainty quantification in regression models [PDF]

open access: gold, 2022
Glenn Palmer   +9 more
openalex   +1 more source

Potential of NIRS Technology for the Determination of Cannabinoid Content in Industrial Hemp (Cannabis sativa L.)

open access: yesAgronomy, 2022
Industrial hemp (Cannabis sativa L.) is a plant native to Asia, and is considered to be a primary source of food, textile fiber, and medicines. It is characterized by containing minimal concentrations of delta-9 tetrahydrocannabidol (THC), which is the ...
Carmen Jarén   +5 more
doaj   +1 more source

Improving the Quasi‐Biennial Oscillation via a Surrogate‐Accelerated Multi‐Objective Optimization

open access: yesJournal of Advances in Modeling Earth Systems
Accurate simulation of the quasi‐biennial oscillation (QBO) is challenging due to uncertainties in representing convectively generated gravity waves.
Luis Damiano   +6 more
doaj   +1 more source

Quantified Approach for Evaluation of Geometry Visibility of Optical-Based Process Monitoring System for Laser Powder Bed Fusion

open access: yesMetals, 2022
The long-term sustainability of the Additive Manufacturing (AM) industry not only depends on the ability to produce parts with reproducible quality and properties to a large extent but also on the standardization of the production processes.
Song Zhang   +6 more
doaj   +1 more source

Identification and Quantification by NMR Spectroscopy of the 22R and 22S Epimers in Budesonide Pharmaceutical Forms

open access: yesMolecules, 2022
The authors developed four variants of the qNMR technique (1H or 13C nucleus, DMSO-d6 or CDCl3 solvent) for identification and quantification by NMR of 22R and 22S epimers in budesonide active pharmaceutical ingredient and budesonide drugs (sprays ...
Natalia E. Kuz’mina   +4 more
doaj   +1 more source

MorphoGraphX: A platform for quantifying morphogenesis in 4D

open access: yeseLife, 2015
Morphogenesis emerges from complex multiscale interactions between genetic and mechanical processes. To understand these processes, the evolution of cell shape, proliferation and gene expression must be quantified.
Pierre Barbier de Reuille   +27 more
doaj   +1 more source

Strategies for robust renovation of residential buildings in Switzerland

open access: yesNature Communications
Building renovation is urgently required to reduce the environmental impact associated with the building stock. Typically, building renovation is performed by envelope insulation and/or changing the fossil-based heating system.
Alina Galimshina   +5 more
doaj   +1 more source

Specific and rapid analysis of ubiquinones using Craven's reaction and HPLC with postcolumn derivatization

open access: yesJournal of Lipid Research, 2007
A new method for the analysis of ubiquinones in various samples was developed using an HPLC system with postcolumn derivatization. Craven's reaction, a specific color reaction for the analysis of ubiquinones, was used in the system.
Haruo Shimada   +2 more
doaj   +1 more source

Quantitative Reasoning Learning Progression: The Matrix

open access: yesNumeracy, 2014
The NSF Pathways Project studied the development of environmental literacy in students from grades six through high school. Learning progressions for environmental literacy were developed to explicate the trajectory of learning.
Robert L. Mayes   +4 more
doaj   +1 more source

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