Results 81 to 90 of about 1,800,016 (304)

In-vitro release profile of microencapsulated α-tocopherol under simulated gastrointestinal conditions [PDF]

open access: yes, 2014
Alpha-tocopherol, the most common form of Vitamin E in nature, is a well-known antioxidant compound for its effective inhibition of lipid oxidation both in food and biological systems.
Amaral, Joana S.   +2 more
core  

Acalypha wilkesiana ethyl acetate extract enhances the in vitro cytotoxic effects of α-tocopherol in human brain and lung cancer cells [PDF]

open access: yes, 2013
Multi-combinatorial approachesare considered nowadays to enhance the effectiveness of cancer treatment. In this study, α-tocopherol was tested in combination with the ethyl acetate extract from Acalypha wilkesiana for cytotoxicity activity against U87MG ...
Allaudin, Zeenathul Nazariah   +4 more
core   +1 more source

Microtopography enhances intestinal drug absorption via Piezo1‐mediated tight junction modulation

open access: yesBMEMat, EarlyView.
Microtopography‐driven enhancement of oral peptide drug delivery by activating Piezo1 channels significantly improves paracellular permeability and bioavailability, offering a novel approach for optimizing macromolecule absorption in pharmaceutical formulations.
Yu Hu   +12 more
wiley   +1 more source

Vitamins and selenium in bulk tank milk of organic and conventional dairy farms [PDF]

open access: yes, 2007
Vitamins in milk are important for the human consumer, the calf and the cow. They are also important for the dairy industry because some of them affect the risk for off-flavour.
Emanuelson, Ulf, Fall, Nils
core  

Generation of superoxide and singlet oxygen from α-tocopherolquinone and analogues. [PDF]

open access: yes, 2007
Three potential routes to generation of reactive oxygen species from a tocopherolquinone have been identified. The quinone of the water-soluble vitamin E analogue Trolox C (Trol-Q) is reduced by hydrated electron and isopropanol a hydroxyalkyl radical ...
Bisby, RH   +4 more
core   +1 more source

Coenzyme Q10, α-Tocopherol, and Oxidative Stress Could Be Important Metabolic Biomarkers of Male Infertility

open access: yesDisease Markers, 2015
Oxidative stress, decreased antioxidant capacity, and impaired sperm mitochondrial function are the main factors contributing to male infertility. The goal of the present study was to assess the effect of the per os treatment with Carni-Q-Nol (440 mg L ...
A. Gvozdjáková   +4 more
semanticscholar   +1 more source

Harnessing ferroptosis from multilayer defense networks to nanoplatforms for specific cancer therapy

open access: yesBMEMat, EarlyView.
Nanomaterials target metabolically‐regulated ferroptosis for cancer therapy. Iron‐based or alternative nanoplatforms integrate ferroptosis with chemotherapy, immunotherapy, or radiotherapy. They enable stimulus‐responsive therapies (photothermal, photodynamic, sonodynamic) activated by near‐infrared, light, or ultrasound, achieving potent synergistic ...
Xinyue Xu   +5 more
wiley   +1 more source

Phytohormonal regulation of α-tocopherol in plants

open access: yesPlant Stress
Alpha-tocopherol (α-tocopherol), a major member of the tocochromanol family, plays a crucial role in scavenging reactive oxygen species generated during photosynthesis. Recent studies have revealed additional roles of α-tocopherol in metabolic processes,
András Kukri   +4 more
doaj   +1 more source

Alpha-tocopherol concentration in serum and colostrum of mothers with gestational diabetes mellitus

open access: yesRevista Paulista de Pediatria, 2014
OBJECTIVE: To evaluate and compare the levels of α-tocopherol in colostrum and in the serum of healthy and diabetic mothers.METHODS: This cross-sectional study enrolled 51 volunteer mothers, 20 with the diagnosis of gestational diabetes mellitus and 31 ...
Fernanda Barros S. Resende   +7 more
doaj   +1 more source

The role of α-tocopherol inpreventing disease [PDF]

open access: yes, 2018
Summary. : A role of oxidative stress in atherosclerosis lies on experimental results carried out in vitro and in animal models. In humans, the supplementation with the antioxidant vitamin E has given in some cases supportive results and in others no ...
Azzi, Angelo
core  

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