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Leonardo Lorente et al.
Journal of critical care, 30(1), 217-217 (2014-10-14)
Total antioxidant capacity (TAC) in severe septic patients has been analyzed in few studies with limited number of subjects. In addition, no association between TAC serum levels and mortality in patients with sepsis has been investigated. We aimed at assessing
Elena Cretu et al.
Natural product communications, 9(4), 481-482 (2014-05-30)
A raw extract and four extractive fractions were obtained from Cedrus brevifolia (Cyprus cedar) bark. They were all studied regarding the phenolic content and profile using spectrophotometry and HPLC-DAD-ESI-MS. The antioxidant activity was investigated using in vitro assays: DPPH and
Mengxing Li et al.
Bioresource technology, 299, 122676-122676 (2020-01-12)
The aim of this study was to evaluate polyhydroxybutyrate (PHB) production and productivity with supplements under fed-batch cultivation at bioreactor scale (1.3 L). In this study, multiple supplements including oxidative enzyme, mediators, surfactants and silicon nanoparticles were added to Cupriavidus necator
Anna S Tolmacheva et al.
Molecules (Basel, Switzerland), 26(7) (2021-05-01)
The exact mechanisms of multiple sclerosis (MS) development are still unknown, but the development of experimental autoimmune encephalomyelitis (EAE) in C57BL/6 mice is associated with the violation of bone marrow hematopoietic stem cells (HSCs) differentiation profiles associated with the production
Daniil N Olennikov et al.
Pharmaceuticals (Basel, Switzerland), 13(9) (2020-09-26)
Fragaria viridis Weston or creamy strawberry is one of the less-known species of the Fragaria genus (Rosaceae family) with a wide distribution in Eurasia and is still in the shadow of more popular relatives F. ananassa (garden strawberry) or F.
Salvador Omar Espino-Manzano et al.
Molecules (Basel, Switzerland), 25(15) (2020-08-06)
Over the past decade, consumers have demanded natural, completely biodegradable active packaging serving as food containers. Bioactive plant compounds can be added to biopolymer-based films to improve their functionality, as they not only act as barriers against oxidation, microbiological, and
Trim Lajqi et al.
Frontiers in immunology, 11, 546415-546415 (2020-10-27)
Microglia, the innate immune cells of the central nervous system, feature adaptive immune memory with implications for brain homeostasis and pathologies. However, factors involved in the emergence and regulation of these opposing responses in microglia have not been fully addressed.
Jing-Kun Yan et al.
Molecules (Basel, Switzerland), 18(1), 167-177 (2012-12-25)
EPS-1 was an exopolysaccharide produced by the medicinal fungus Cordyceps sinensis (Cs-HK1). In the present study, EPS-1 was sulfated with chlorosulfonic acid (CSA)-pyridine (Pyr) at different volume ratios, yielding four sulfated derivatives, SEPS-1A, B, C and D, with different degrees
Elena Arriero et al.
Oecologia, 188(4), 1001-1010 (2018-11-01)
Avian malaria parasites are known to have negative effects on their hosts, including consequences for reproductive success and survival. However, the outcome of disease may vary greatly among individuals, due to their particular genetic background, their past history of exposure
Malika Ardhaoui et al.
Bioelectrochemistry (Amsterdam, Netherlands), 91, 52-61 (2013-02-19)
For the first time, a fast and versatile technique, an atmospheric pressure plasma jet (APPJ), has been used to functionalise graphite carbon electrodes for biofuel cell applications. The bioelectrode was functionalized by an atmospheric pressure plasma jet (APPJ) system using
Faten Brahmi et al.
Pakistan journal of biological sciences : PJBS, 16(22), 1469-1478 (2014-02-12)
The olive tree is generally grown under rain-fed conditions. However, since the yield response to irrigation is great, even with low amounts of water, there is increasing interest in irrigated agriculture. The main goal of this study was, therefore, to
M Gaber et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 107, 359-370 (2013-02-26)
Four triazole and thiadiazole-based azo chromophores namely [(E)-4-((1H-1,2,4-triazol-3-yl)diazenyl)benzene-1,3-diol.(HL(1)), (E)-4-((5-(methylthio)-1H-1,2,4-triazol-3-yl)diazenyl)benzene-1,3-diol.(HL(2)), (E)-4-((1,3,4-thiadiazol-2-yl)diazenyl)benzene-1,3-diol.(HL(3)) and (E)-4-((5-mercapto-1,3,4-thiadiazol-2-yl)diazenyl)benzene-1,3-diol.(HL(4))] were synthesized and characterized by elemental analyses, IR, UV-Vis as well as mass spectroscopy. Cu(II) complexes of the investigated azo dyes have been synthesized and characterized by elemental
Sivakumar Uthandi et al.
Applied and environmental microbiology, 76(3), 733-743 (2009-12-08)
Laccases couple the oxidation of phenolic compounds to the reduction of molecular oxygen and thus span a wide variety of applications. While laccases of eukaryotes and bacteria are well characterized, these enzymes have not been described in archaea. Here, we
Myrthe Alexandra Maria van Delft et al.
The Journal of rheumatology, 46(1), 101-105 (2018-09-17)
To investigate whether 3 rheumatoid arthritis-associated antibodies [rheumatoid factor (RF) and anticitrullinated protein antibodies (ACPA) or anticarbamylated protein (anti-CarP) antibodies] are present in hand osteoarthritis (HOA) and associate with erosive OA (EOA). Anti-CarP IgG was measured by ELISA in baseline
Wei Li et al.
Biochimica et biophysica acta, 1834(10), 2124-2132 (2013-07-28)
pH-dependent (pH6.0-8.0) quaternary structural changes of ferric Vitreoscilla hemoglobin (VHb) have been investigated using dynamic light scattering. The VHb exhibits a monomeric state under neutral conditions at pH7.0, while the protein forms distinct homodimeric species at pH6.0 and 8.0, respectively.
Elwira Sieniawska et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 188-192 (2012-11-28)
Mutellina purpurea is an aromatic Apiaceae plant known as Alpine lovage. Its polar extracts consist of phenolic acids, tannins and flavonoids. The cytotoxic effect of methanolic and aqueous extracts from M. purpurea was studied on the most frequently used cell
Celeste Cottet et al.
Polymers, 13(2) (2021-01-13)
Poly(itaconic acid) (PIA) was synthesized via conventional radical polymerization. Then, functionalization of PIA was carried out by an esterification reaction with the heterocyclic groups of 1,3-thiazole and posterior quaternization by N-alkylation reaction with iodomethane. The modifications were confirmed by Fourier
Mohammad-Bagher Ebrahim-Habibi et al.
Scientific reports, 9(1), 1273-1273 (2019-02-06)
Investigation of non-covalent interaction of hydrophobic surfaces with the protein G (PrG) is necessary due to their frequent utilization in immunosensors and ELISA. It has been confirmed that surfaces, including carbonous-nanostructures (CNS) could orient proteins for a better activation. Herein
Fan Shi et al.
Biotechnology letters, 42(5), 825-832 (2020-01-30)
To effectively and conveniently detect pathogenic bacteria, this study aimed to develop label-free biosensors fabricated affinity peptides that can recognize targeted bacteria strains and enable precise quantitative detections. A 12-mer peptide with high binding affinity toward Escherichia coli O157:H7 was
Kristy S McKeating et al.
Chemical communications (Cambridge, England), 49(31), 3206-3208 (2013-03-15)
A novel method for analysing the catalytic action of a DNAzyme is reported. Resonance Raman scattering (RRS) is shown to successfully monitor the oxidation of two different peroxidase substrates and has been implemented in an assay for the detection of
Pattawika Lertpatipanpong et al.
Molecules (Basel, Switzerland), 25(17) (2020-09-04)
Pueraria lobata (Wild.) Ohwi. (P. lobata) flowers known as 'Kudzu flower' contain isoflavonoids and essential oil components. They have a wide range of biological and pharmacological activities, including protective effects against non-alcoholic fatty liver disease, hyperglycemia, and hypolipidemia, anti-mutagenic effects
Yayoi Hirose et al.
Journal of natural products, 76(4), 554-558 (2013-02-21)
Using a TLC autographic assay for radical-scavenging activity with the ABTS radical, the presence of lipophilic antioxidants in the larvae of the wild bruchid seed beetle Bruchidius dorsalis was detected. Assay-guided fractionation of the CHCl3-soluble fraction of the larvae resulted
Yi-Kai Chih et al.
Bioelectrochemistry (Amsterdam, Netherlands), 91, 44-51 (2013-02-19)
An 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS)-immobilized carbon nanotube (CNT) electrode was used to simultaneously detect dopamine (DA) and uric acid (UA) in the presence of ascorbic acid (AA) with differential pulse voltammetry. When ABTS was immobilized onto the CNT electrode in the
Lorena Perdices et al.
Antioxidants (Basel, Switzerland), 9(8) (2020-08-14)
Retinitis pigmentosa (RP) includes a group of genetic disorders that involve the loss of visual function due to mutations mainly in photoreceptors but also in other retinal cells. Apoptosis, retinal disorganization, and inflammation are common in the progression of the
Expression of glucocorticoid resistance following social stress requires a second signal.
Avitsur R et al.
Journal of Leukocyte Biology, 74, 507-507 (2003)
Kirana P Mugaranja et al.
Heliyon, 6(7), e04392-e04392 (2020-07-17)
A phenolic rich fraction purified from Simarouba glauca leaves was effective in alpha glucosidase inhibition. The purified fraction named 'fraction-14' had shown significant inhibition of yeast alpha glucosidase enzyme activity (IC50 = 2.4 ± 0.4 μg/mL) when compared to anti-diabetic
Mariane Fioroti Lorençoni et al.
Journal of ethnopharmacology, 252, 112562-112562 (2020-01-19)
Campomanesia species are used in folk medicine for anti-inflammatory, -ulcerogenic, -diabetic, -obesity, and many other purposes. This study aimed to investigate the phytochemical profile and pharmacotherapeutic potential of the essential oil (EO) and ethanolic extract (EXT) of the leaves of
Lorena Fuentes-Broto et al.
Antioxidants (Basel, Switzerland), 10(11) (2021-11-28)
Retinitis pigmentosa (RP) is a group of inherited neurodegenerative diseases characterized by a progressive loss of visual function that primarily affect photoreceptors, resulting in the complete disorganization and remodeling of the retina. Progression of the disease is enhanced by increased
Trim Lajqi et al.
International journal of molecular sciences, 22(5) (2021-04-04)
Microglia, the innate immune cells of the CNS, exhibit long-term response changes indicative of innate immune memory (IIM). Our previous studies revealed IIM patterns of microglia with opposing immune phenotypes: trained immunity after a low dose and immune tolerance after
Priscila Tomie Leme Ike et al.
SpringerPlus, 4, 654-654 (2015-11-07)
In this work we have identified, using mass spectrometry, two laccases produced by Leucoagaricus gongylophorus. One of them, Lac1Lg, was isolated, purified and characterized. Lac1Lg, a monomeric enzyme, was studied using ABTS and syringaldazine substrates. Lac1Lg presented kcat/Km almost threefold
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