نتایج جستجو برای: se hplc
تعداد نتایج: 216982 فیلتر نتایج به سال:
La necesidad de producir más alimentos ha llevado al aumento del uso pesticidas, entre ellos glifosato, el cual es ampliamente empleado en la producción soja transgénica. Esto implicado que crezcan los casos intoxicaciones y contaminación recursos naturales. Por tal motivo entes gubernamentales han formulado instrucciones manipulación descarte envases comerciales. El objetivo presente trabajo f...
The study was designed to investigate the effects of dietary Selenium-enriched radish sprouts (Se-RS), Vitamin E (Vit E), and Rhodobacter capsulatus (RC) on immunity, cholesterol concentration, and fatty acid composition in broiler meat. A total of 100 two-week-old male broiler chicks were randomly assigned into five dietary groups: I) Control; II) Se-RS (5 μg/kg Se-RS); III) Se-RS+RC (5 μg/kg ...
Selenium (Se) is an important microelement for plants and has been shown to improve growth under normal and stressed conditions. In this study, effect of Se and nano-selenium (N-Se) on hydroponically-grown tomato (Lycopersicum esculentum Mill. cv. ‘Halil’) on photosynthesis, antioxidant activity and total polyphenolic content was assessed. A factorial experiment with three temperatu...
Validasi metode analisis adalah suatu proses dalam menjamin akurasi analisis, reprodusibel, spesifik dan stabil dari kisaran sesuai dengan tujuan penggunaan. mencakup semua prosedur yang menunjukkan pengukuran kuantitatif analit matriks biologis seperti plasma. Penentuan konsentrasi obat plasma merupakan hal kompleks karena kompleks. Metformin agen antihiperglikemik oral digunakan pengelolaan d...
Beneficial effects of low selenium levels in Lallemantia iberica plants subjected to salinity stress
Selenium (Se) at high concentrations can cause toxic effects in plants, whereas at low concentrations it enhances resistance to certain abiotic stresses. The possible mechanisms of the Se-enhanced tolerance of plants to salinity stress remain elusive. In this work, effect of Se supplementation at 0, 0.1, 1 and 10 mg l-1 sodium selenate was studied in Lallemantia iberica plants subjected to salt...
The sonoextraction (SE) of aescin saponins and phenolic compounds from the inedible seed kernels Aesculus hippocastanum was optimized using a central composite rotatable design coupled with response surface methodology, where joint effects ultrasonic power, sonication time, ethanol proportion were investigated. Flavonol glycosides (≥90 % fraction), flavan-3-ols, acids, identified by HPLC-DAD-ES...
BACKGROUND AND AIM: Different studies evaluating one-step self-etch (SE) adhesive systems show contradictory findings, so the aim of this study was to compare the microleakage of one-step SE adhesive systems and CLEARFIL SE BOND (that serves as the “gold-standard” SE adhesive) with low shrinkage composites. METHODS: In this in vitro study, Class V cavities with the occlusal margin in enamel and...
Melatonina, tirosol e hidroxitirosol son sustancias bioactivas cuya presencia se ha descrito en el vino baja concentración, lo que representa un reto para su análisis. El presente trabajo plantea la puesta a punto de método determinación, mediante cromatografía líquida alta eficacia acoplada detección por espectrofotometría diodos y espectrometría masas (HPLC-DAD-MS) aplicación posterior anális...
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