Results 11 to 20 of about 38,350 (274)

Near-Infrared Spectroscopy and Machine Learning for Fast Quality Prediction of Bottle Gourd [PDF]

open access: yesFoods
Protein and amino acid content are the crucial quality parameters in bottle gourd, and traditional measurement methods for detecting those parameters are complicated, time-consuming, and costly. In this study, we employed NIRS along with machine learning
Xiao Guo   +9 more
doaj   +2 more sources

Accumulation of sadmium and zinc in bottom sediments of different waters of Lithuania [PDF]

open access: yesJournal of the Serbian Chemical Society, 2007
Distribution of cadmium and zinc in the bottom sediments of different waters of Lithuania was investigated using flame atomic absorption spectrometry (FAAS).
Tautkus Stasys   +2 more
doaj   +1 more source

Extraction, preconcentration and spectrometric determination of Al (III) and Cr (III) ions using modified MnFe2O4 nanoparticles as an efficient adsorbent [PDF]

open access: yesNanochemistry Research, 2017
An efficient and reusable adsorbent, namely 3-mercaptopropionic acid modified tetraethyl orthosilicate (TEOS) grafted MnFe2O4 nanoparticles (MPA-TEOS-MnFe2O4 NPs) was synthesized and used for the extraction and preconcentration of trace amount of Al (III)
Kamyar Pourghazi   +2 more
doaj   +1 more source

Determination of zinc content in insulin products by inductively coupled plasma mass spectrometry

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2023
Scientific relevance. Zinc content is a quality attribute of insulin products. The State Pharmacopoeia of the Russian Federation requires that it should be determined by flame atomic absorption spectrometry (FAAS).
Yu. N. Shvetsova   +4 more
doaj   +1 more source

Cloud point extraction procedure for preconcentration and determination of lead(II) ions using triton X-100 at room temperature [PDF]

open access: yesActa Periodica Technologica, 2019
A Cloud point extraction (CPE) procedure was presented for preconcentration of lead(II) ions, after complexation by 18-crown-6 (18C6) and extraction with Triton X-100 at proposed experimental conditions.
Suljkanović Mersiha   +3 more
doaj   +1 more source

Qualitative and Quantitative Analysis of Six Fatty Acid Amides in 11 Edible Vegetable Oils Using Liquid Chromatography–Mass Spectrometry

open access: yesFrontiers in Nutrition, 2022
Fatty acid amides (FAAs) are endogenous lipid molecules that exhibit various physiological activities. FAAs are usually present at nanomolar levels in biological samples.
Zixiang Li   +10 more
doaj   +1 more source

Spartan Daily, February 11, 2020 [PDF]

open access: yes, 2020
Volume 154, Issue 8https://scholarworks.sjsu.edu/spartan_daily_2020/1007/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +3 more sources

Analysis of 18 Free Amino Acids in Honeybee and Bumblebee Honey from Eastern and Northern Europe and Central Asia Using HPLC-ESI-TQ-MS/MS Approach Bypassing Derivatization Step

open access: yesFoods, 2022
The profile of amino acids and mono- and disaccharides in conventional polyfloral honey originated from Latvia and Tajikistan and less found in nature bumblebee honey from Russia was investigated.
Fredijs Dimins   +4 more
doaj   +1 more source

Inorganic analysis of herbal drugs, Part I: Metal determination in herbal drugs originating from medicinal plants of the family Lamiacae [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
Elemental profiles of the total analyte content of major, minor and trace elements (Cu, Zn, Mn, Fe, K, Ca, Mg, Al, Ba and B) in 8 herbal drugs, originating from medicinal plants of the family Lamiacae, were determined.
Ražić Slavica   +3 more
doaj   +1 more source

Determination of the levels of some selected metals inocimum lamiifoliumin Wolaita Zone, Southern Ethiopia

open access: yesEast African Journal of Biophysical and Computational Sciences, 2022
Medicinal plants have worldwide applications in the treatment of different types of human diseases. Among the medicinal plants of Ethiopia, Ocimum lamiifoliumHochst.
Eyob Yishak , Teferi Tademe Dadebo
doaj   +1 more source

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