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Plant Flavonoids: Chemical Characteristics and Biological Activity Open
In recent years, more attention has been paid to natural sources of antioxidants. Flavonoids are natural substances synthesized in several parts of plants that exhibit a high antioxidant capacity. They are a large family, presenting severa…
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Antioxidant Properties of Ferulic Acid and Its Possible Application Open
Ferulic acid has low toxicity and possesses many physiological functions (anti-inflammatory, antioxidant, antimicrobial activity, anticancer, and antidiabetic effect). It has been widely used in the pharmaceutical, food, and cosmetics indu…
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Ascorbic acid metabolism and functions: A comparison of plants and mammals Open
Ascorbic acid is synthesised by eukaryotes, the known exceptions being primates and some other animal groups which have lost functional gulonolactone oxidase. Prokaryotes do not synthesise ascorbate and do not need an ascorbate supply, so …
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Rare variant in scavenger receptor BI raises HDL cholesterol and increases risk of coronary heart disease Open
A scavenger that protects the heart Coronary heart disease is a tale of two forms of plasma cholesterol. In contrast to the well-established effects of “bad” cholesterol (LDL-C), the role of “good” cholesterol (HDL-C) is mysterious. Elevat…
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Scavenger receptor-A is a biomarker and effector of rheumatoid arthritis: A large-scale multicenter study Open
Early diagnosis is critical to improve outcomes in rheumatoid arthritis (RA), but current diagnostic tools have limited sensitivity. Here we report a large-scale multicenter study involving training and validation cohorts of 3,262 particip…
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A Consensus Definitive Classification of Scavenger Receptors and Their Roles in Health and Disease Open
Scavenger receptors constitute a large family of proteins that are structurally diverse and participate in a wide range of biological functions. These receptors are expressed predominantly by myeloid cells and recognize a diverse variety o…
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A Review on Various Uses of N-Acetyl Cysteine. Open
N-acetyl cysteine (NAC), as a nutritional supplement, is a greatly applied antioxidant in vivo and in vitro. NAC is a precursor of L-cysteine that results in glutathione elevation biosynthesis. It acts directly as a scavenger of free radic…
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Successful Decontamination of <sup>99</sup>TcO<sub>4</sub><sup>−</sup> in Groundwater at Legacy Nuclear Sites by a Cationic Metal‐Organic Framework with Hydrophobic Pockets Open
99 Tc contamination at legacy nuclear sites is a serious and unsolved environmental issue. The selective remediation of 99 TcO 4 − in the presence of a large excess of NO 3 − and SO 4 2− from natural waste systems represents a significant …
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Directing Nanoparticle Biodistribution through Evasion and Exploitation of Stab2-Dependent Nanoparticle Uptake Open
Up to 99% of systemically administered nanoparticles are cleared through the liver. Within the liver, most nanoparticles are thought to be sequestered by macrophages (Kupffer cells), although significant nanoparticle interactions with othe…
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1,4-Benzoquinone and 1,4-hydroquinone based determination of electron and superoxide radical formed in heterogeneous photocatalytic systems Open
In competition-based experiments, 1,4-benzoquinone (BQ) has been a frequently applied compound for determination of the role of O2− radicals. In those studies, only the influence of BQ (as a competitive O2− scavenger) on the degradation of…
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Flavonoids and Phenolic Acids as Potential Natural Antioxidants Open
For centuries, aromatic herbs and spices have been added to different foods to improve the flavor and organoleptic properties. The use of aromatic plants and spices in phytotherapy is mostly related to different activities of their essenti…
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Free Radical Scavenging and Cellular Antioxidant Properties of Astaxanthin Open
Astaxanthin is a coloring agent which is used as a feed additive in aquaculture nutrition. Recently, potential health benefits of astaxanthin have been discussed which may be partly related to its free radical scavenging and antioxidant pr…
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Pigs Lacking the Scavenger Receptor Cysteine-Rich Domain 5 of CD163 Are Resistant to Porcine Reproductive and Respiratory Syndrome Virus 1 Infection Open
Porcine reproductive and respiratory syndrome (PRRS) virus (PRRSV) is the etiological agent of PRRS, causing late-term abortions, stillbirths, and respiratory disease in pigs, incurring major economic losses to the worldwide pig industry. …
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<i>N</i>-Acetylcysteine: Antioxidant, Aldehyde Scavenger, and More Open
N-Acetylcysteine is a commonly used antioxidant that is broadly effective despite its limited reactive oxygen species (ROS) reactivity. Chemoprotection by N-acetylcysteine frequently results from inactivation of primary toxicants or reacti…
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Melatonin in Medicinal and Food Plants: Occurrence, Bioavailability, and Health Potential for Humans Open
Melatonin is a widespread molecule among living organisms involved in multiple biological, hormonal, and physiological processes at cellular, tissue, and organic levels. It is well-known for its ability to cross the blood–brain barrier, an…
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Scavenger-Supported Photocatalytic Evidence of an Extended Type I Electronic Structure of the TiO<sub>2</sub>@Fe<sub>2</sub>O<sub>3</sub> Interface Open
Heterostructures of TiO2@Fe2O3 with a specific electronic structure and morphology enable us to control the interfacial charge transport necessary for their efficient photocatalytic performance. In spite of the extensive research, there st…
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Molecular-Level Transformation of Dissolved Organic Matter during Oxidation by Ozone and Hydroxyl Radical Open
Ozonation of drinking and wastewater relies on ozone (O3) and hydroxyl radical (•OH) as oxidants. Both oxidants react with dissolved organic matter (DOM) and alter its composition, but the selectivity of the two oxidants and mechanisms of …
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Abiotic and biotic factors modulate carrion fate and vertebrate scavenging communities Open
Carrion is a valuable nutrient resource used by a diversity of vertebrates across the globe. However, vertebrate scavenging ecology remains an understudied area of science, especially in regards to how biotic and abiotic factors influence …
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The Role of the Reactive Species Involved in the Photocatalytic Degradation of HDPE Microplastics Using C,N-TiO2 Powders Open
Microplastics (MPs) are distributed in a wide range of aquatic and terrestrial ecosystems throughout the planet. They are known to adsorb hazardous substances and can transfer them across the trophic web. To eliminate MPs pollution in an e…
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Cytotoxic responses to 405nm light exposure in mammalian and bacterial cells: Involvement of reactive oxygen species Open
Light at wavelength 405 nm is an effective bactericide. Previous studies showed that exposing mammalian cells to 405 nm light at 36 J/cm(2) (a bactericidal dose) had no significant effect on normal cell function, although at higher doses (…
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Pd-Catalyzed Conjunctive Cross-Coupling between Grignard-Derived Boron “Ate” Complexes and C(sp<sup>2</sup>) Halides or Triflates: NaOTf as a Grignard Activator and Halide Scavenger Open
Catalytic enantioselective conjunctive cross-couplings that employ Grignard reagents are shown to furnish an array of nonracemic chiral organoboronic esters in an efficient and highly selective fashion. The utility of sodium triflate in fa…
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CeO<sub>2</sub> Nanoparticle Morphologies and Their Corresponding Crystalline Planes for the Photocatalytic Degradation of Organic Pollutants Open
Made available in DSpace on 2020-12-12T02:29:15Z (GMT). No. of bitstreams: 0\n Previous issue date: 2019-10-25
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Role of Melatonin in Plant Tolerance to Soil Stressors: Salinity, pH and Heavy Metals Open
Melatonin (MT) is a pleiotropic molecule with diverse and numerous actions both in plants and animals. In plants, MT acts as an excellent promotor of tolerance against abiotic stress situations such as drought, cold, heat, salinity, and ch…
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Chemically stable ionic viologen-organic network: an efficient scavenger of toxic oxo-anions from water Open
Dual capture of hazardous oxo-anions was demonstrated with a viologen based cationic organic network via an anion exchange process.
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In vitro antioxidant actions of sulfur-containing amino acids Open
Sulfur-containing amino acids such as methionine, cysteine, and taurine are present in animals and plants with biological functions. The aim of this study was to determine the antioxidant activities of representative sulfur-containing amin…
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Iodine: Its Role in Thyroid Hormone Biosynthesis and Beyond Open
The present review deals with the functional roles of iodine and its metabolism. The main biological function of iodine concerns its role in the biosynthesis of thyroid hormones (THs) by the thyroid gland. In addition, however, further bio…
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Ag(I) ions working as a hole-transfer mediator in photoelectrocatalytic water oxidation on WO3 film Open
Ag(I) is commonly employed as an electron scavenger to promote water oxidation. In addition to its straightforward role as an electron acceptor, Ag(I) can also capture holes to generate the high-valent silver species. Herein, we demonstrat…
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The Scavenger Function of Liver Sinusoidal Endothelial Cells in Health and Disease Open
The aim of this review is to give an outline of the blood clearance function of the liver sinusoidal endothelial cells (LSECs) in health and disease. Lining the hundreds of millions of hepatic sinusoids in the human liver the LSECs are per…
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Scavenging in the Anthropocene: Human impact drives vertebrate scavenger species richness at a global scale Open
Understanding the distribution of biodiversity across the Earth is one of the most challenging questions in biology. Much research has been directed at explaining the species latitudinal pattern showing that communities are richer in tropi…
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Anti-inflammatory Activity of β-Carotene, Lycopene and Tri-n-butylborane, a Scavenger of Reactive Oxygen Species Open
The anti-inflammatory activity of β-carotene, lycopene and TBB may be related to their ROS-scavenging activity. Additionally, the activity of carotenoids and TBB may be attributed to the electrophilicity of ROS-induced carotenoid intermedi…