Search results for “free radical”

About 16 results in articles

Open Access Pub publishes peer-reviewed, free-to-read open-access articles. Showing articles matching free radical — open any to read the full text, or download the PDF or XML.

Journal of Enzymes Open Access

REDOX ENZYMES: From Basics to Free Radical Scavenging

Aug 2025 DOI 10.14302/issn.2690-4829.jen-25-5617
Mónica Elizabeth Martínez-GonzálezCorresponding author

Redox enzymes are a type of enzyme that catalyzes redox reactions, that is, electron transfer reactions between two chemical species. Redox enzymes are essential for many biological processes, including cellular respiration, photosynthesis, energy production, and the elimination of free radicals. Th…

The Effects of L Carnitine on in Vitro Maturation of Immature Bovine Oocytes

Dec 2025 DOI 10.14302/issn.2575-1212.jvhc-24-4889
Mohammed A ElmetwallyCorresponding author

L-Carnitine (Lc) acts as an antioxidant that neutralizes free radicals, especially superoxide anions and protects cells against oxidative damage-induced apoptosis, as following ovulation, intracellular reactive oxygen species (ROS) accumulation increases in oocytes, Oocytes exhibit an intracellular…

The Impact of EDTA And Selenite on The Stability of Insulin in Cell Culture Media

Jun 2023
S. Prakasha Gowda A.Corresponding author

Insulin is a frequent peptide hormone addition in serum-free mammalian cell culture media. It contributes in a variety of biological functions, including as promoting cell proliferation, cell cycle progression, and glucose uptake. However, it is unknown how stable insulin is under in vitro cell cult…

Evaluation and Comparision of Total Phenolics, Total Flavonoids and Antioxidant Activity of A. Mexicana Aerial Parts in Different Solvents

Apr 2023 DOI 10.14302/issn.2471-2140.jaa-22-4251
Sachin KumariCorresponding author

The study's goal was to determine the total phenolics, total flavonoids, and antioxidant activity of A. mexicana aerial parts. Extracts were prepared using different solvents namely n-hexane, ethyl acetate, acetone, methanol, and water on basis of increasing polarity using soxhlet appratus. Aqueous…

Effect of Solvent pH on Antioxidant and Phytochemical Activities of Mulhatti Aerial Parts (Glycyrrhiza glabra L.)

Dec 2021 DOI 10.14302/issn.2471-2140.jaa-21-4027
Sushila SinghCorresponding author

Medicinal plants have been used since the era of Vedic history for their health care system where herbal medicine has a long history of use. It is also a very popular medicinal plant belonging to the Leguminosae family and is commonly known as Mulhatti. It contains phytochemicals such as flavonoids,…

Effect of pH on Phytochemical and Antioxidant Potential of Satawar Tubers (Asparagus Racemosus Willd.)

Nov 2021 DOI 10.14302/issn.2471-2140.jaa-21-3996
Sushila SinghCorresponding author

Plants are an important source of medicines since ancient times. The traditional system medicine’s use a variety of native plants to diagnose, prevent, and eliminate acute and chronic diseases.Asparagus racemosus(Willd.), also have been widely used for medicinal purpose and its extensively distribut…

Antioxidant Activity of Biofield Treated Proprietary Test Formulation Supplemented with Vitamins and Minerals in Vitamin D3 Deficiency Diet (VDD) Induced Sprague Dawley Rats

Mar 2021 DOI 10.14302/issn.2471-2140.jaa-21-3747
Snehasis JanaCorresponding author

A proprietary formulation was designed that consisted minerals (zinc, magnesium, iron, calcium, selenium, and copper), vitamins (pyridoxine HCl, cyanocobalamin, ascorbic acid, and cholecalciferol), Panax ginseng extract, and cannabidiol isolate. The study was aimed to assess the potential of the nov…

Effect of Trigonella Foenum against Ethylene Diamine Tetra Acetic Acid induced Nephrotoxicity in Male Albino Rats

Aug 2020 DOI 10.14302/issn.2694-2275.jzr-20-3435
EH RadwanCorresponding author

Background Nephrotoxicity is a complication due to the effect of some toxic chemicals on kidney. Current study planned to screen the effect of Trigonella foenumaqueous seeds extracts on EDTA induced nephrotoxicity. Trigonella foenum known for its various medicinal properties is also a natural antiox…

Differential of Antioxidant Ability, CD4+T Cells Count and Viral Load in HIV Infected Patients on cART in Yaounde, Cameroon

Jun 2020 DOI 10.14302/issn.2691-8862.jvat-20-3417
Georges TetoCorresponding author

Background Decreased antioxidant ability is one of the worsening conditions in AIDS.We aimed to evaluate total antioxidant ability among others, and their variation in HIV infected patients following their CD4+T cells count and viral load, in a context of new ART scarcity in most LMICs. Material and…

Resveratrol Prevents Cataract Formation by Inhibiting Pro-inflammatory Mediator-induced Dysregulation of Lens Calcium

Apr 2020 DOI 10.14302/issn.2470-0436.jos-20-3303
R. ManikandanCorresponding author

The effect of resveratrol, a free radical scavenger, during cataract development was evaluated in the Wistar rat pup model. This study investigated the possible free radical scavenging potential of resveratrol at 40 mg/ kg body wt dose in selenite-induced cataract in rat pups. Intraperitoneal inject…

Non-Enzymatic Methylglyoxal Formation From glucose Metabolites and Generation of Superoxide Anion Radical During Methylglyoxal-Dependent Cross-Links Reaction

Sep 2019 DOI 10.14302/issn.2471-2140.jaa-19-2997
K.B. ShumaevCorresponding author

The paper explores the formation of a-oxoaldehydes during the interaction of glucose metabolites with hydroxyl or alkoxyl radicals. Hydroxyl radicals were generated under radiolysis of aqueous solutions, and alkoxyl radicals (t-BuO) were obtained in the model system tert-butyl hydroperoxide/Fe2+. H…

Effect of Bone Marrow and Adipose Mesenchymal Stem Cells on Rat Intestinal Injury Induced by Methotrexate

Nov 2018 DOI 10.14302/issn.2640-6403.jtrr-18-2449
Ebtehal Mohammad FCorresponding author

Methotrexate (MTX) is an anti-metabolite in cancer chemotherapy and is associated with various toxicities assigned to inflammation and oxidative stress. The present study was undertaken to corroborate the therapeutic effects of bone marrow mesenchymal stem cells (BM-MSCs) and adipose-derived mesench…

Investigation on Phytochemical and Antioxidant Activity of the Plant Murraya koenigii Linn (Curry leaf) in Rajshahi, Bangladesh

Sep 2017 DOI 10.14302/issn.2471-2140.jaa-17-1728
Md. Badrul IslamCorresponding author

The use of herbal medicine is becoming popular day by day due to toxicity and side effects of allopathic medicines. Considering the medicinal importance of the plant Murraya koenigii Linn (Curry leaf), the antioxidant activity (AC), total phenolic content (TPC), total flavonoid content (TFC), of dif…

The antioxidant and hepatoprotective activities of two tea polysaccharides

Aug 2017 DOI 10.14302/issn.2471-2140.jaa-17-1541
Zhi YuCorresponding author

In the present study, we investigated the chemical compositions, in vitro antioxidant and in vivo hepatoprotective activities of two tea polysaccharides (TPS), which were extracted from two different tea cultivars, Yingshuang (Camellia Senesis, T01) and Yunnan Dayezhong (Camellia Senesis, T09). Comp…

New Antioxidant Flavonoids from the Aerial Parts of Secamone Afzelii

Feb 2016 DOI 10.14302/issn.2471-2140.jaa-15-887
Abdulmagid Alabdul MagidCorresponding author

A bioassay-guided fractionation of petroleum ether, EtOAc and n-BuOH soluble parts of the 80% hydromethanol extract was performed to investigate the antioxidant activity of Secamoneafzeliiaerial parts using DPPH free radical scavenging assay. The results revealed that EtOAc and n-BuOH soluble parts…

Radical-Scavenging and Anti-Oxidative Activities of TBN in Cell-Free System and Murine H9c2 Cardiomyoblast Cells

Dec 2015 DOI 10.14302/issn.2471-2140.jaa-15-765
Zaijun ZhangCorresponding author

Reactive oxygen species (ROS) and reactive nitrogen species are believed to be one of the most important culprits in the pathogenesis of cardio/cerebrovascular diseases. Intensive researches have been conducted to target free radicals as potential treatment for cardio/cerebrovascular diseases. The 2…

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