Results 11 to 20 of about 2,120,758 (270)

Advancement and New Trends in Analysis of Pesticide Residues in Food: A Comprehensive Review

open access: yesPlants, 2022
Food safety is a rising challenge worldwide due to the expanding population and the need to produce food to feed the growing population. At the same time, pesticide residues found in high concentrations in fresh agriculture pose a significant threat to ...
Shadma Wahab   +9 more
doaj   +1 more source

Comparative Analysis of Four Distinct Purification Methods of Sulphur as per Siddha with Contemporary Analytical Techniques [PDF]

open access: yesAsia Pacific Journal of Medical Toxicology, 2023
Background: Nonmetallic and mild toxic Sulphur is abundantly available in world. Kanthakam is the name for Sulphur in Siddha medicine. Sulphur is one of unavoidable substance for medicine preparations with deferent purification methods.
Bamini Mithurendran
doaj   +1 more source

Cosmetic and Pharmaceutic Products with Selected Natural and Synthetic Substances for Melasma Treatment and Methods of Their Analysis

open access: yesCosmetics, 2023
Melasma is a fairly common condition that is the result of hyperpigmentation caused by increased melanin secretion. In the course of melasma, certain areas of the skin become darker than the rest of the epidermis.
Agata Wawrzyńczak
doaj   +1 more source

Two-Photon Polymerized Poly(2-Ethyl-2-Oxazoline) Hydrogel 3D Microstructures with Tunable Mechanical Properties for Tissue Engineering

open access: yesMolecules, 2020
The main task of tissue engineering (TE) is to reproduce, replicate, and mimic all kinds of tissues in the human body. Nowadays, it has been proven useful in TE to mimic the natural extracellular matrix (ECM) by an artificial ECM (scaffold) based on ...
Steffen Czich   +8 more
doaj   +1 more source

Advances in the Chemistry, Analysis and Adulteration of Anthocyanin Rich-Berries and Fruits: 2000–2022

open access: yesMolecules, 2023
Anthocyanins are reported to exhibit a wide variety of remedial qualities against many human disorders, including antioxidative stress, anti-inflammatory activity, amelioration of cardiovascular diseases, improvement of cognitive decline, and are touted ...
Bharathi Avula   +6 more
doaj   +1 more source

The Fabrication of Gold–Silver Bimetallic Colloids by Microplasma: A Worthwhile Strategy for Counteracting the Surface Activity of Avian Influenza Virus

open access: yesCrystals, 2023
In the present project, fructose-stabilized gold, silver and gold–silver bimetallic colloids have been synthesized by the electrochemical reduction of HAuCl4·3H2O (Au precursor) and AgNO3 (Ag precursor), employing the atmospheric pressure microplasma ...
Muhammad Zubair   +6 more
doaj   +1 more source

Analytical approaches to fiber-reinforced polymer composites: a short review

open access: yesPolímeros, 2023
A variety of fiber-reinforced polymer (FRP) has been described in literature, with a considerable subset of studies focused on fiber surface treatment (sizing), performance enhancement of matrix and fibers both synthetic and natural, and development of ...
Marcia Murakoshi Takematsu   +1 more
doaj   +1 more source

Elucidating the crystal-chemistry of Jbel Rhassoul stevensite (Morocco) by advanced analytical techniques [PDF]

open access: yes, 2008
The composition of Rhassoul clay is controversial regarding the nature of the puremineral clay fraction which is claimed to be stevensite rather than saponite.
A. Maazouz   +28 more
core   +3 more sources

'Leave it or take it away': ethical considerations on the removal of overpainting: the case of the Ghent Altarpiece [PDF]

open access: yes, 2015
During the current conservation of the Ghent Altarpiece, carried out by a team of KIK-IRPA, a large amount of old overpaint has been discovered. These are studied with a number of innovative analytical techniques.
Martens, Maximiliaan
core   +2 more sources

Study on Influencing Factors in Determining Pore Characteristics of Shale by Mercury Intrusion

open access: yesYankuang ceshi, 2016
Mercury intrusion is a common method for the determination of pore characteristics of shale, but the measurement results are affected by a number of factors, such as sample size and measuring range.
ZHANG Tao   +3 more
doaj   +1 more source

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