Results 11 to 20 of about 607,274 (305)

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

Polimery, 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, Piotr Wychowański, Elżbieta Małkiewicz, Dorota Olczak-Kowalczyk, Jadwiga Turło   +4 more
doaj   +1 more source

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

International 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

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

Nanochemistry 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, Mir Mahdi Abolghasemi, Sodabeh Memari   +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

International 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, Ömer Ertürk, Ceren Yavuz, Zehra Can, Hilal Ebru Çakır   +4 more
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Dispersive liquid-liquid microextraction for determining urinary muconic acid as benzene biological indicator [PDF]

Journal 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, Yousefinejad Saeed, Soleimani Esmaeel, Taghvaei Sajjad, Jafai Saeed   +4 more
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Comparison of Extraction Variations on Mitragynine Level of Three Variants of Kratom Leaves (Mitragyna speciosa Korth)

EduChemia, 2023
Kratom leaves are known as traditional medicine with various benefits, such as antibacterial, antimicrobial, and antioxidant properties. These benefits are attributed to the presence of secondary metabolites, particularly mitragynine.
Syrifah Nur Intan Mutiara, Masriani Masriani, Rini Muharini, Ajuk Sapar, Rahmat Rasmawan   +4 more
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Comprehensive measurement of purines in biological samples

Frontiers in Analytical Science
Defects in numerous aspects of purine metabolism are well-recognized causes for human diseases. The applicability of ultra performance liquid chromatography (UPLC) with photodiode array (PDA) detection for analysis of the most abundant biological ...
Rong Fu, Diane J. Sutcliffe, Ashok R. Dinasarapu, Ellen J. Hess, Ellen J. Hess, H. A. Jinnah, H. A. Jinnah   +6 more
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Türkiye'de Yetişen Üç Ahlat Türünün Arbutin İçeriğinin Değerlendirilmesi

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2020
Armut (Pyrus spp.) Dünya çapında en önemli meyvelerden biridir. Pyrus cinsi, Rosaceae ailesinin Pomoideae alt ailesine aittir. Pyrus türlerinin farklı organları farklı oranlarda arbutin içerir.
Rukiye Kayhan, İbrahim Bulduk, Safiye Elif Korcan, Emrah Şelli, Mustafa Kargıoğlu   +4 more
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CREATING A PROLONGED FORM OF ACETYLSALICYLIC ACID: AN EXPERIMENTAL APPROACH

Вестник трансплантологии и искусственных органов, 2016
Aim. The development of a prolonged form of acetylsalicylic acid (ASA) encapsulated into polymeric highly porous microcarriers using supercritical carbon dioxide and the subsequent study of ASA release kinetics in vitro and in vivo using high-performance
V. I. Sevastianov, V. K. Popov, V. Yu. Belov, S. V. Kursakov, E. N. Antonov, S. E. Bogorodsky   +5 more
doaj   +1 more source

Validation of Analytical Method for Vitamin A in Bioadhesive Ocular Cationic Nanoemulsion Loaded into Thermosensitive Gel Using RP-HPLC

Indonesian Journal of Chemistry
Various test methods have been previously documented for determining vitamin A levels in different dosage forms. This study specifically examines an isocratic reverse phase-high performance liquid chromatography (RP-HPLC) method designed for the direct ...
Siti Fatmawati Fatimah, Endang Lukitaningsih, Ronny Martien, Akhmad Kharis Nugroho   +3 more
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