keyword
https://read.qxmd.com/read/38525271/the-fate-of-enterohemorrhagic-escherichia-coli-on-alfalfa-and-fenugreek-seeds-and-sprouts-as-affected-by-ascaroside-18-treatments
#21
JOURNAL ARTICLE
Xueyan Hu, Seulgi Lee, Murli Manohar, Jinru Chen
Alfalfa and fenugreek sprouts are healthy foods, but they are occasionally contaminated with bacterial pathogens and serve as vehicles for transmitting foodborne illnesses. This study examined the efficacy of ascaroside (ascr)#18 treatment for the control of enterohemorrhagic E. coli (EHEC) growth on sprouts. Commercial alfalfa and fenugreek seeds were decontaminated with 20,000 ppm of NaClO, and residual chlorine was neutralized with Dey-Engley broth. Decontaminated seeds were treated with 1 mM or 1 μM ascr#18, a plant immunity modulator, before being dried and mixed with sandy soil inoculated with E...
April 2024: Food Bioscience
https://read.qxmd.com/read/38525054/synergistic-effect-of-ki-on-the-corrosion-inhibition-of-a-poly-diallylammonium-chloride-based-cyclocopolymer-containing-bis-cationic-motifs-for-mild-steel-corrosion-in-20-formic-acid
#22
JOURNAL ARTICLE
Lipiar K M O Goni, Ibrahim Y Yaagoob, Mohammad A J Mazumder, Shaikh A Ali
This study entails the syntheses of a homopolymer, poly(diallylammonium chloride) (3), and copolymers (8a-c) containing hydrophilic/hydrophobic pendants and their role in mitigating mild steel in aggressive 20% formic acid, a type of corrosion that is not frequently discussed in the literature. The synthesized homopolymer and copolymers were characterized by FTIR, NMR, viscometry, and TGA. Inhibitor 8b was found to be the most potent, with 81.8% inhibition efficiency (IE) registered via the potentiodynamic polarization method for 100 ppm of inhibitor concentration at 30 °C...
March 20, 2024: RSC Advances
https://read.qxmd.com/read/38524606/valorization-of-recycled-wastes-in-pavement-preventive-maintenance-a-review-on-reclaimed-asphalt-pavement-and-recycled-waste-tire
#23
REVIEW
Xia Chen, Qiuping Li, Taiwo Sesay, Qinglong You, Ekeoma Bridget Chineche
Pavement preventive maintenance (PPM) is critical to ensuring traffic efficiency, road user experience, and safety. However, it imposes significant costs in annual road infrastructure budgets because it requires high-quality and natural material resources. This study provides a systematic and comprehensive review on the use of recycled wastes as an alternative for the natural materials used in PPM mixes. Specifically, the use of recycled waste tires (RWT) and reclaimed asphalt pavement (RAP) in chip seals, microsurfacing, slurry seals, and thin asphalt overlays were discussed...
March 30, 2024: Heliyon
https://read.qxmd.com/read/38524429/inhibition-effect-of-coal-spontaneous-combustion-by-composite-inhibitory-foam-based-on-cacl-2-melatonin-inhibitor
#24
JOURNAL ARTICLE
Hong Zhang, Zongquan Zhao, Zihan Wang, Shibin Nie, Chao Han
Inhibitory foam technology plays an important role in inhibiting coal spontaneous combustion. To enhance the stability and inhibitory performance of inhibitory foam for coal spontaneous combustion, a novel physicochemical composite inhibitor was developed in this work. CaCl2 was chosen as an inorganic salt physical inhibitor to compound with the chemical inhibitor melatonin (MLT) due to its corresponding good foam stability. When the mass ratio of CaCl2 to MLT was 4:1, the lowest CO release concentration of 7337...
March 19, 2024: ACS Omega
https://read.qxmd.com/read/38524411/selective-no-2-gas-sensors-employing-nitrogen-and-boron-doped-and-codoped-reduced-graphene-oxide
#25
JOURNAL ARTICLE
Chiheb Walleni, Shuja Bashir Malik, Ghada Missaoui, Mohamed Ayoub Alouani, Mohamed Faouzi Nsib, Eduard Llobet
In this paper, we develop high-performance gas sensors based on heteroatom-doped and -codoped graphene oxide as a sensing material for the detection of NO2 at trace levels. Graphene oxide (GO) was doped with nitrogen and boron by a chemical method using urea and boric acid as precursors. The prepared samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy, X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The obtained results proved the successful reduction of graphene oxide by doping effects, leading to the removal of some oxygen functional groups and restoration of an sp2 carbon structure...
March 19, 2024: ACS Omega
https://read.qxmd.com/read/38523572/chronic-low-dose-chromium-vi-exposure-induces-oxidative-stress-and-apoptosis-with-altered-expressions-of-dna-repair-genes-and-promoter-hypermethylation-in-the-liver-of-swiss-albino-mice
#26
JOURNAL ARTICLE
Shehnaz Islam, Olivia Sarkar, Sunanda Mukherjee, Sreejata Kamila, Arpan Dey Bhowmik, Ansuman Chattopadhyay
The present investigation dealt with harmful effects of hexavalent chromium (Cr [VI]) on liver of Swiss albino mice. This variant exhibited cytotoxicity, mutagenicity, and carcinogenicity. Our study focused on elucidating the hepatotoxic effects of chronic low-dose exposure to Cr (VI) (2, 5, and 10 ppm) administered via drinking water for 4 and 8 months. The observed elevation in SGPT, ALP, and SGOT and increased oxidative stress markers unequivocally confirmed the severe disruption of liver homeostasis at these low treatment doses...
March 25, 2024: Journal of Applied Toxicology: JAT
https://read.qxmd.com/read/38523212/enhanced-benzene-vapor-adsorption-through-microwave-assisted-fabrication-of-activated-carbon-from-peanut-shells-using-zncl-2-as-an-activating-agent
#27
JOURNAL ARTICLE
Sinan Kutluay, Ömer Şahin, Orhan Baytar
Herein, microwave-assisted activated carbon (MW-AC) was fabricated from peanut shells using a ZnCl2 activator and utilized for the first time to eliminate benzene vapor as a volatile organic compound (VOC). During the MW-AC production process, which involved two steps-microwave treatment and muffle furnace heating-we investigated the effects of various factors and achieved the highest iodine number of 1250 mg/g. This was achieved under optimal operating conditions, which included a 100% impregnation ratio, CO2 as the gas in the microwave environment, a microwave power set at 500 W, a microwave duration of 10 min, an activation temperature of 500 °C and an activation time of 45 min...
March 25, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38522311/periplcymarin-targets-glycolysis-and-mitochondrial-oxidative-phosphorylation-of-esophageal-squamous-cell-carcinoma-implication-in-anti-cancer-therapy
#28
JOURNAL ARTICLE
Lujuan Han, Xiaohan Xiang, Yuhui Fu, Sisi Wei, Cong Zhang, Lei Li, Yueping Liu, Huilai Lv, Baoen Shan, Lianmei Zhao
BACKGROUND: Esophageal squamous cell carcinoma (ESCC) is the predominant histological subtype of esophageal cancer (EC) in China, and demonstrates varying levels of resistance to multiple chemotherapeutic agents. Our previous studies have proved that periplocin (CPP), derived from the extract of cortex periplocae, exhibiting the capacity to hinder proliferation and induce apoptosis in ESCC cells. Several studies have identified additional anti-cancer constituents in the extract of cortex periplocae, named periplcymarin (PPM), sharing similar compound structure with CPP...
March 15, 2024: Phytomedicine
https://read.qxmd.com/read/38522203/chemically-sprayed-pristine-and-cd-2-incorporated-co-2-sno-4-thin-films-for-low-ppm-level-enhanced-chemi-resistive-behaviour-towards-dimethylamine-detection-at-room-temperature
#29
JOURNAL ARTICLE
Santhosh Nallakumar, Usha Rani Muthurakku
The surge in hazardous volatile organic liquid emissions driven by the rapid growth of the manufacturing industry has compelled a rising demand for gas sensors, which exhibit remarkable sensitivity, selectivity, and room temperature operation. Ternary metal oxide spinel has indeed garnered significant attention in chemi-resistive gas sensors due to their large reactive surface area, physicochemical, and other unique properties. In this work, we have studied chemically sprayed pristine and Cd 2+ incorporated Co2 SnO4 thin film as a sensing layer under room temperature (300 K) conditions...
March 15, 2024: Journal of Hazardous Materials
https://read.qxmd.com/read/38520662/combustion-performance-and-emission-characteristics-of-aloevera-diesel-emulsified-fuel-in-a-di-diesel-engine
#30
JOURNAL ARTICLE
Rajendran Manikandan, Thimmarayan Raja, Kengaiah Vijaya Raja, Gopi Suresh, Rajasekharan Vezhavendhan, Govindasamy Kumaresan, Raju Ganesamoorthy
Nowadays, mankind is very particular about the usage of energy in the most effective manner by keeping the view of less adulterating the atmosphere, which are the key aspects of many scientists all around the world. In this particular study, the aloevera diesel has been chosen as the primary fuel, and studies have been conducted on emission pollutant characteristics by choosing an appropriate diesel engine. Furthermore, stable emulsions have been produced by using aloevera, and the same was mixed with diesel at the ratio of 5% and 10% as the compound...
March 23, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38520317/a-novel-validated-gc-ms-ms-method-for-the-estimation-of-n-nitroso-dimethyl-amine-and-n-nitroso-diethyl-amine-in-zidovudine
#31
JOURNAL ARTICLE
Narayanareddy Papadasu, Ramakrishnareddy Kotanka, Raghuram Pannala
A novel method has been developed for the estimation of N-Nitroso dimethyl amine impurities (NDMA) and N-Nitroso diethyl amine (NDEA) in Zidovudine by using Gas chromatograph Triple Quadrupole Mass with Liquid autosampler (GC-MS/MS) and the method is validated as per International Conference on Harmonization recommendations. Sample analysis was executed for Zidovudine by developed method. Both NDMA and NDEA were detected in below quantitation limit for the Zidovudine batches. Efficient chromatographic separation was achieved on a DB-WAX 30 m length × 0...
March 22, 2024: Journal of Chromatographic Science
https://read.qxmd.com/read/38519561/synthesis-of-eco-friendly-layered-double-hydroxide-and-nanoemulsion-for-jasmine-and-peppermint-oils-and-their-larvicidal-activities-against-culex-pipiens-linnaeus
#32
JOURNAL ARTICLE
Ibrahim Taha Radwan, Hanem F Khater, Shaimaa H Mohammed, Abdelwahab Khalil, Mohamed A Farghali, Mohammed G Mahmoud, Abdelfattah Selim, Eman A Manaa, Noha Bagato, Mohamed M Baz
Mosquito-borne diseases represent a growing health challenge over time. Numerous potential phytochemicals are target-specific, biodegradable, and eco-friendly. The larvicidal activity of essential oils, a jasmine blend consisting of Jasmine oil and Azores jasmine (AJ) (Jasminum sambac and Jasminum azoricum) and peppermint (PP) Mentha arvensis and their nanoformulations against 2nd and 4th instar larvae of Culex pipiens, was evaluated after subjecting to different concentrations (62.5, 125, 250, 500, 1000, and 2000 ppm)...
March 22, 2024: Scientific Reports
https://read.qxmd.com/read/38518610/simultaneous-production-of-biofuel-and-removal-of-heavy-metals-using-marine-alga-turbinaria-turbinata-as-a-feedstock-in-neom-region-tabuk
#33
JOURNAL ARTICLE
Amenah S Alotaibi, Abrar M Alhumairi, Hanaa Ghabban, Asma Massad Alenzi, Ragaa A Hamouda
Depletion of fossil fuel and pollution by heavy metals are two major global issues. The cell wall of algae consists of polymers of polysaccharides such as cellulose, hemicellulose, alginate, starch, and many others that are readily hydrolyzed to monosaccharides and hence are amenable to fermentation into bioethanol. Moreover, algae contain lipids that may undergo trans-esterification to biodiesel, and can be absorbed by heavy metals. In this study, extraction of lipids from Turbinaria turbinata (common brown alga) from the beach of Sharma, NEOM, Tabuk, Saudi Arabia by different solvents hexane, methanol, and hexane: methanol (1:1), and trans-esterification was performed to obtain biodiesel and investigated by GC...
March 21, 2024: Ecotoxicology and Environmental Safety
https://read.qxmd.com/read/38518574/surface-active-dicationic-ionic-liquids-as-green-oil-spill-dispersants
#34
JOURNAL ARTICLE
Raghda A El-Nagar, Alaa Ghanem
The utilization of chemical dispersants as a way of mitigating of oil spills in marine eco-system has been extensively documented worldwide. Hence, in this research we have successfully synthesized two amphiphilic asymmetric Dicaionic Ionic Liquids (DILs). The efficacy of these synthesized DILs as dispersants was assessed using the baffled flask test (BFT). The results indicated a dispersant effectiveness ranging from 47.98 % to 79.76 % for the dispersion of heavy crude oil across various temperature ranges (10-30 °C)...
March 21, 2024: Marine Pollution Bulletin
https://read.qxmd.com/read/38518514/novel-purification-platform-based-on-multimodal-preparative-scale-separation-of-mab-fragments-and-aggregates
#35
JOURNAL ARTICLE
Rashmi Sharma, Surbhi Gupta, Anurag S Rathore
Monoclonal antibodies (mAbs) continue to dominate the biopharmaceutical industry. Certain mAbs are prone to fragmentation and clipping and in these cases, adequate removal of these species is critical during manufacturing. Fragments can be generated during fermentation, purification, storage, formulation, and administration. Their addition to the acidic charge-variant of the purified mAb has been reported to decrease stability and potency of the final product. However, contrary to mAb aggregation, manufacturers have not given much attention to removal of fragments and clipped species and as a result most conventional mAb platforms offer at best limited capabilities for their removal...
March 13, 2024: Journal of Chromatography. A
https://read.qxmd.com/read/38517362/quasicrystal-nanosheet-%C3%AE-fe-2-o-3-heterostructure-based-low-power-no-2-sensors-experimental-and-dft-studies
#36
JOURNAL ARTICLE
Sumit Kumar, Mirabbos Hojamberdiev, Anyesha Chakraborty, Rahul Mitra, Rajneesh Chaurasiya, Monika Kwoka, Chandra Sekhar Tiwary, Krishanu Biswas, Mahesh Kumar
Industrial emissions, environmental monitoring, and medical fields have put forward huge demands for high-performance and low power consumption sensors. Two-dimensional quasicrystal (2D QC) nanosheets of metallic multicomponent Al70 Co10 Fe5 Ni10 Cu5 have emerged as a promising material for gas sensors due to their excellent catalytic and electronic properties. Herein, we demonstrate highly sensitive and selective NO2 sensors developed by low-cost and scalable fabrication techniques using 2D QC nanosheets and α-Fe2 O3 nanoparticles...
March 22, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38517202/microbially-conjugated-bile-salts-found-in-human-bile-activate-the-bile-salt-receptors-tgr5-and-fxr
#37
JOURNAL ARTICLE
Ümran Ay, Martin Leníček, Raphael S Haider, Arno Classen, Hans van Eijk, Kiran V K Koelfat, Gregory van der Kroft, Ulf P Neumann, Carsten Hoffmann, Carsten Bolm, Steven W M Olde Damink, Frank G Schaap
BACKGROUND: Bile salts of hepatic and microbial origin mediate interorgan cross talk in the gut-liver axis. Here, we assessed whether the newly discovered class of microbial bile salt conjugates (MBSCs) activate the main host bile salt receptors (Takeda G protein-coupled receptor 5 [TGR5] and farnesoid X receptor [FXR]) and enter the human systemic and enterohepatic circulation. METHODS: N-amidates of (chenodeoxy) cholic acid and leucine, tyrosine, and phenylalanine were synthesized...
April 1, 2024: Hepatology Communications
https://read.qxmd.com/read/38516700/copper-stimulation-of-tetrahydrocannabinol-and-cannabidiol-production-in-hemp-cannabis-sativa-l-is-copper-type-dose-and-cultivar-dependent
#38
JOURNAL ARTICLE
Meghan S Cahill, Terri Arsenault, Trung Huu Bui, Nubia Zuverza-Mena, Anuja Bharadwaj, Kitty Prapayotin-Riveros, Jason C White, Christian O Dimkpa
Copper (Cu) is an element widely used as a pesticide for the control of plant diseases. Cu is also known to influence a range of plant secondary metabolisms. However, it is not known whether Cu influences the levels of the major metabolites in hemp ( Cannabis sativa L.), tetrahydrocannabinol (THC) and cannabidiol (CBD). This study investigated the impact of Cu on the levels of these cannabinoids in two hemp cultivars, Wife and Merlot, under field conditions, as a function of harvest time (August-September), Cu type (nano, bulk, or ionic), and dose (50, 100, and 500 ppm)...
March 22, 2024: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/38516464/exposure-to-ozone-downregulates-bcl-2-and-increases-executing-caspases-3-and-8-in-the-hippocampus-frontal-cortex-and-cerebellum-of-rats
#39
JOURNAL ARTICLE
Paola Rodríguez-Quintero, Moisés Rubio-Osornio, Eric Uribe, Wilhelm Moreno, Luis A Marín-Castañeda, Zayra Morales, Alonso Portila, David Vázquez, Carmen Rubio
Introduction Ozone (O3) is one of the most prevalent atmospheric pollutants, arising from a photochemical reaction between volatile organic compounds (VOC), nitrogen oxides (NOx), and sunlight. O3 triggers oxidative stress, resulting in lipid oxidation, inflammation, alterations in metabolic and cellular signaling, and potentially initiating cell death in vulnerable brain regions. Inflammation and oxidative stress are recognized for their ability to induce cell death, primarily through the apoptosis pathway, involving various proteins that participate in this process via two pathways: intrinsic and extrinsic...
February 2024: Curēus
https://read.qxmd.com/read/38516207/comparative-analysis-of-heavy-metal-content-of-unregulated-facial-whitening-creams-and-branded-facial-whitening-creams
#40
JOURNAL ARTICLE
Shyam Sundar Arputhanantham, Ghanim Salim Said Al-Thani, Roqaiya Mohammed Saleem Al Amri, Mohammad Amzad Hossain
The present study was conducted to evaluate potential health risks of Omani cosmetics considering the dangers and adverse effects on health caused by unregulated and unlabelled cosmetic products. Therefore, this current study is to examine the toxic heavy metals of unregulated facial whitening creams that are available in the Omani market and compare them with branded facial whitening creams. A total twenty-two samples were purchased from the Souqs/markets of all eleven governorates of Oman and their heavy metals content was determined by using Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES)...
June 2024: Toxicology Reports
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