Results 11 to 20 of about 1,041,674 (330)

The release of biologically hazardous chemical compounds from orthodontic adhesive systems used in Europe and in the USA — an in vitro study

open access: yesPolimery, 2015
The study assessed the chemical stability of ConTec LC, Resilence, Light Bond and TransbondXT orthodontic adhesive resins. The subject of the analysis was the release of HEMA (2-hydroxyethylmethacrylate), TEGDMA (triethylene glycol dimethacrylate ...
Konrad Małkiewicz   +4 more
doaj   +1 more source

HPLC Quantification of Glucosamine Sulfate in Eggshell membranes from White and Brown Chicken Eggs

open access: yesArchives of Pharmaceutical Sciences Ain Shams University, 2022
Eggshell membrane (ESM), a thin membrane lining the eggshell of chicken eggs, is a natural byproduct attracting the attention of many researchers worldwide due to its valuable composition and beneficial biological activities.
Nora Mady   +4 more
doaj   +1 more source

Plasma L-ergothioneine measurement by high-performance liquid chromatography and capillary electrophoresis after a pre-column derivatization with 5-iodoacetamidofluorescein (5-IAF) and fluorescence detection [PDF]

open access: yes, 2013
Two sensitive and reproducible capillary electrophoresis and high-performance liquid chromatography-fluorescence procedures were established for quantitative determination of L-egothioneine in plasma.
Carru, Ciriaco   +7 more
core   +2 more sources

The phenolic content, antioxidant and cytotoxic activities of Origanum sipyleum from Turkey

open access: yesInternational Journal of Secondary Metabolite, 2018
Origanum sipyleum is a medicinal plant species belonging to the genus Origanum and traditionally vegetative parts of this plant have been used as medicinal tea or food additives.
Arzu Kaska
doaj   +1 more source

Combined Antimicrobial Activity of Extracts from Quercus infectoria Galls and Scrophularia striata Aerial Parts for an Anticariogenic Herbal Mouthwash

open access: yesJournal of Pharmacopuncture, 2023
Objectives: Dental caries is one of the most prevalent human diseases worldwide. The disease initiates with bacterial adherence to the tooth surface followed by the formation of dental plaques.
Pooya Falakdin   +2 more
doaj   +1 more source

Three-dimensional ZnS/MoS2 on cellulose paper for determination of Digoxin in urine and plasma [PDF]

open access: yesNanochemistry Research
The current study describes the in-situ growth of ZnS/MoS2 on cellulose paper using the thin-film microextraction (TFME) method. On cellulose paper, ZnS/MoS2 was grown using a simple, easy, and inexpensive hydrothermal method.
Marzieh Piryaei   +2 more
doaj   +1 more source

Chemical Compositions, Antioxidant and Antimicrobial Activities of the Essential Oil and Extracts of Lamiaceae Family (Ocimum basilicum and Thymbra spicata) from Turkey

open access: yesInternational Journal of Secondary Metabolite, 2017
Lamiaceae has numerous proven biological properties. Our aim was to investigate the antioxidant and antimicrobial activities and chemical composition of essential oil and extracts of Ocimum basilicum and Thymbra spicata.
Güler İnci Tanrıkulu   +4 more
doaj   +1 more source

Robustness and modularity properties of a non-covalent DNA catalytic reaction [PDF]

open access: yes, 2009
The biophysics of nucleic acid hybridization and strand displacement have been used for the rational design of a number of nanoscale structures and functions. Recently, molecular amplification methods have been developed in the form of non-covalent DNA
Aldaye   +20 more
core   +4 more sources

A field deployable method for a rapid screening analysis of inorganic arsenic in seaweed [PDF]

open access: yes, 2017
The authors thank the support for getting the seaweed samples from the projects funded under the Department of Agriculture, Food and the Marine’s Competitive research programmes in Ireland. Reference number 14 SF 860. The authors thank Corny Brombach for
Bralatei, Edi   +7 more
core   +2 more sources

Dispersive liquid-liquid microextraction for determining urinary muconic acid as benzene biological indicator [PDF]

open access: yesJournal of the Serbian Chemical Society
The monitoring of occupational exposure to chemicals is essential for assessing the workplace. In the case of hazardous and carcinogenic chemicals, such as benzene, occupational monitoring becomes even more crucial.
Moghadasi Abolfazl   +4 more
doaj   +1 more source

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