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Drug: Acetic Acid
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Total 4749 results found since Jan 2013.
Effects of deacetylation degree of chitosan on the structure of aerogels
Int J Biol Macromol. 2023 Aug 3:126123. doi: 10.1016/j.ijbiomac.2023.126123. Online ahead of print.ABSTRACTChitosan aerogels, obtained by (supercritical) CO2 drying of hydrogels, are novel adsorbents because of their large surface area and high porosity. Intrinsic properties of chitosan such as molecular weight (MW) and degree of deacetylation (DDA) had large impacts on the characteristics of chitosan aerogels. Although there are a few studies about the effects of solely DDA or MW on aerogel structure, none of them has focused on the mutual effects. The study aims to investigate the combined effects of MW and DDA of chitos...
Source: International Journal of Biological Macromolecules - August 5, 2023 Category: Biochemistry Authors: Serap Namli Ozge Guven Feyza Nur Simsek Anton Gradi šek Gulum Sumnu Meryem Esra Yener Mecit Oztop Source Type: research
Human RNase 1 can extensively oligomerize through 3D domain swapping thanks to the crucial contribution of its C-terminus
Int J Biol Macromol. 2023 Aug 1:126110. doi: 10.1016/j.ijbiomac.2023.126110. Online ahead of print.ABSTRACTHuman ribonuclease (RNase) 1 and bovine RNase A are the proto-types of the secretory "pancreatic-type" (pt)-RNase super-family. RNase A can oligomerize through the 3D domain swapping (DS) mechanism upon acetic acid (HAc) lyophilisation, producing enzymatically active oligomeric conformers by swapping both N- and C-termini. Also some RNase 1 mutants were found to self-associate through 3D-DS, however forming only N-swapped dimers. Notably, enzymatically active dimers and larger oligomers of wt-RNase 1 were collected he...
Source: International Journal of Biological Macromolecules - August 3, 2023 Category: Biochemistry Authors: Irene Noro Ilaria Bettin Sabrina Fasoli Marcello Smania Luca Lunardi Michele Giannini Leonardo Andreoni Riccardo Montioli Giovanni Gotte Source Type: research
Active components and molecular mechanisms of Sagacious Confucius' Pillow Elixir to treat cognitive impairment based on systems pharmacology
CONCLUSION: Our study revealed that 23 active SCPE components improve CI by increasing the levels of the neurotransmitter 5-HT and metabolite 5-HIAA, suppressing pathological injury and regulating the PI3K/Akt/mTOR signaling pathway to improve cognitive function.PMID:37517091 | DOI:10.18632/aging.204912
Source: Aging - July 30, 2023 Category: Biomedical Science Authors: Zhitao Hou Xinyu Yang Ling Jiang Liying Song Yang Li Dongdong Li Yanning Che Xiuling Zhang Zhongren Sun Hongcai Shang Jing Chen Source Type: research
Quercus floribunda Lindl. Ex A. Camus; a tremendous remedy against inflammation and associated symptoms
Fitoterapia. 2023 Jul 28:105628. doi: 10.1016/j.fitote.2023.105628. Online ahead of print.ABSTRACTCrude extracts prepared from aerial parts and nut galls of Quercus floribunda Lindl. Ex. A. Camus were evaluated for phytochemical screening, in vitro antioxidant, and in vivo analgesic, anti-inflammatory and antipyretic activities. Various solvents including methanol (M), acetone (A), distilled water (DW), distilled water + methanol (DWM) were used for extraction. Highest total phenolic (66.9 ± 0.05 μg GAE/mgE) and flavonoid content (38.4 ± 0.72 μg QE/mgE) were measured in QFAA extract by colorimetric methods. Cumulative ...
Source: Fitoterapia - July 30, 2023 Category: Biochemistry Authors: Fazilat Mehboob Ahmad Aroosa Zafar Madiha Ahmed Nausheen Akhtar Muhammad Mohtasheem Ul Hasan Mostafa A Abdel-Maksoude Mohammed Aufy Source Type: research
Sulfide recovery using fluidized bed homogeneous crystallization technology to produce nickel sulfide from wastewater that contains sulfides
In this study, FBHC is used to treat sulfur-containing synthetic wastewater. Furthermore, nickel-containing wastewater was utilized as a precipitant in the system, hence the advantage of simultaneous sulfur and nickel removal from the wastewater. The operating parameters, including pH, a precipitant dosage of [Ni2+]0/[S2-]0, and cross-sectional surface loading (LS, kg/m2h) are optimized. The optimum operating conditions of pH 9.8 ± 0.3, [Ni2+]0/[S2-]0 = 0.8, and LS = 1.5 kg/m2h results in total sulfur removal (TR) of 95.7% and crystallization ratio (CR) of 94.8%. The effect of organic compounds (acetic acid, oxalic acid, ...
Source: Environmental Research - July 30, 2023 Category: Environmental Health Authors: Po-Lin Liao Nicolaus Nezha Nunez Mahasti Laurencia Wiryana Effendi Yao-Hui Huang Source Type: research
Exogenous IAA application affects the specific characteristics of fluoranthene distribution in Arabidopsis
In this study, two distinct IAA-sensitive genotypes of Arabidopsis thaliana (wild type and Axr5 mutant) were chosen to investigate the mechanisms of fluoranthene (Flu) uptake and accumulation in plant tissues (roots and leaves) through physiological and molecular analyses. The results revealed that the Flu concentration in Axr5 leaves was significantly higher than that in wild-type (WT) leaves. In roots, the Flu content decreased significantly with increasing IAA treatment, while no significant changes were observed with lower IAA treatment. Principal component analysis demonstrated that Flu accumulation in Arabidopsis roo...
Source: Ecotoxicology and Environmental Safety - July 29, 2023 Category: Environmental Health Authors: Mengjia Zhou Ji Wang Jing Zhou Lin Liu Ruixuan Yang Jingjing Xu Mingxiang Liang Li Xu Source Type: research
Bioprotection by non-Saccharomyces yeasts in oenology: Evaluation of O < sub > 2 < /sub > consumption and impact on acetic acid bacteria
This study sheds new lights on the use of bioprotection as an alternative to SO2 and suggest the possibility to use O2 consumption measurements as a new criteria for non-Saccharomyces strain selection in a context of bioprotection application for the wine industry.PMID:37506548 | DOI:10.1016/j.ijfoodmicro.2023.110338
Source: International Journal of Food Microbiology - July 28, 2023 Category: Food Science Authors: Sara Windholtz Claudia Nioi Joana Coulon Isabelle Masneuf-Pomarede Source Type: research
Cordia oncocalyx and oncocalyxones: From the phytochemistry to the anticancer action and therapeutic benefits against chronic diseases
Fitoterapia. 2023 Jul 25:105624. doi: 10.1016/j.fitote.2023.105624. Online ahead of print.ABSTRACTCordia oncocalyx Allemão is an endemic economically underexploited plant from Brazilian semi-arid region. Herein, we carried out a well-defined bibliographic review about the pharmacological activities of oncocalyxones from C. oncocalyx and mechanisms responsible for the biomedical properties. MeSH terms were used in the scientific databases for a narrative exploration. Technological development and bioproducts were also examined. Cordia oncocalyx is a deciduous tree of sexual reproduction rich in terpenoid quinones. Among th...
Source: Fitoterapia - July 27, 2023 Category: Biochemistry Authors: Paulo Michel Pinheiro Ferreira Antonia Amanda Cardoso de Almeida Micaely Lorrana Pereira Concei ção Ot ília Deusdênia Loiola Pessoa Lana Grasiela Alves Marques Raffaele Capasso Cl áudia Pessoa Source Type: research
