keyword
https://read.qxmd.com/read/38546934/in-silico-identification-and-expression-analyses-of-peroxidases-in-tenebrio-molitor
#1
JOURNAL ARTICLE
Ho Am Jang, Sung Min Ku, Jae Hui Kim, Sang Mok Jung, Jongdae Lee, Yong Seok Lee, Yeon Soo Han, Yong Hun Jo
Human advancements in agriculture, urbanization, and industrialization have led to various forms of environmental pollution, including heavy metal pollution. Insects, as highly adaptable organisms, can survive under various environmental stresses, which induce oxidative damage and impair antioxidant systems. To investigate the peroxidase (POX) family in Tenebrio molitor, we characterized two POXs, namely TmPOX-iso1 and TmPOX-iso2. The full-length cDNA sequences of TmPox-iso1 and TmPox-iso2 respectively consisted of an open reading frame of 1815 bp encoding 605 amino acids and an open reading frame of 2229 bp encoding 743 amino acids...
March 28, 2024: Genes & Genomics
https://read.qxmd.com/read/38546163/optimising-low-temperature-pyrolysis-of-mesoporous-alginate-derived-starbon%C3%A2-for-selective-heavy-metal-adsorption
#2
JOURNAL ARTICLE
Nicholas Garland, Ross Gordon, Con Robert McElroy, Alison Parkin, Duncan MacQuarrie
In response to the ever increasing need to develop more efficient and sustainable methods for removing heavy metal contaminants from aqueous systems, the following article reports on the design of highly mesoporous alginate-derived materials (Starbon®) and their application to the adsorption of heavy metals. Using the Starbon® process to expand, dry and pyrolyse an inherently porous polysaccharide precursor, it was possible to produce mesoporous materials (BJH mesopore volumes 0.81-0.94 cm3 g-1) with large surface areas (157-297 m2 g-1) across a range of low pyrolysis temperatures (200-300 °C)...
March 28, 2024: ChemSusChem
https://read.qxmd.com/read/38544950/harnessing-photosynthetic-microorganisms-for-enhanced-bioremediation-of-microplastics-a-comprehensive-review
#3
REVIEW
Giovanni Davide Barone, Andrés Rodríguez-Seijo, Mattia Parati, Brian Johnston, Elif Erdem, Tomislav Cernava, Zhi Zhu, Xufeng Liu, Ilka M Axmann, Peter Lindblad, Iza Radecka
Mismanaged plastics, upon entering the environment, undergo degradation through physicochemical and/or biological processes. This process often results in the formation of microplastics (MPs), the most prevalent form of plastic debris (<1 mm). MPs pose severe threats to aquatic and terrestrial ecosystems, necessitating innovative strategies for effective remediation. Some photosynthetic microorganisms can degrade MPs but there lacks a comprehensive review. Here we examine the specific role of photoautotrophic microorganisms in water and soil environments for the biodegradation of plastics, focussing on their unique ability to grow persistently on diverse polymers under sunlight...
July 2024: Environ Sci Ecotechnol
https://read.qxmd.com/read/38544908/environmental-exposure-to-trace-elements-and-heavy-metals-preceding-the-clinical-onset-of-inflammatory-bowel-disease
#4
JOURNAL ARTICLE
Iago Rodríguez-Lago, José Luis Cabriada, Ainhoa Rodríguez, Manuel Barreiro-de Acosta
BACKGROUND: The immune dysregulation underlying inflammatory bowel disease (IBD) can start years before the diagnosis, but the role of triggering factors and environmental exposures during this period is still uncertain. METHODS: This single-center case-control study included asymptomatic subjects with an incidental diagnosis of IBD during the colorectal cancer screening program. Twenty-two minerals and 17 metals were determined at diagnosis in hair samples and compared 1:2 to healthy controls...
January 2024: Crohn's & colitis 360
https://read.qxmd.com/read/38544793/evaluation-of-prenatal-calabash-chalk-geophagy-on-the-developing-brain-of-wistar-rats
#5
JOURNAL ARTICLE
Moses B Ekong, Anna Andrioli, Imaobong E Israel, Edemeka I Ifot, Samuel E Dickson, Ilaria Scambi, Paolo F Fabene, Giuseppe Bertini, Marina Bentivoglio
Calabash chalk (CaC) is an aluminium silicate hydroxide compound with heavy metal constituents, making it a potential neurotoxicant. Pregnant women often consume CaC as an antiemetic, which may interfere with the normal development of the foetal brain. Here, we evaluated the effects of CaC administration in pregnant rats on the brain of the offspring. Wistar rat dams were assigned to one of three groups: control, 200 mg/kg and 800 mg/kg of a CaC suspension. Administrations lasted 14 days (gestation days 7-20)...
June 2024: IBRO neuroscience reports
https://read.qxmd.com/read/38544082/chemically-functionalized-2d-transition-metal-dichalcogenides-for-sensors
#6
JOURNAL ARTICLE
Selene Acosta, Mildred Quintana
The goal of the sensor industry is to develop innovative, energy-efficient, and reliable devices to detect molecules relevant to economically important sectors such as clinical diagnoses, environmental monitoring, food safety, and wearables. The current demand for portable, fast, sensitive, and high-throughput platforms to detect a plethora of new analytes is continuously increasing. The 2D transition metal dichalcogenides (2D-TMDs) are excellent candidates to fully meet the stringent demands in the sensor industry; 2D-TMDs properties, such as atomic thickness, large surface area, and tailored electrical conductivity, match those descriptions of active sensor materials...
March 12, 2024: Sensors
https://read.qxmd.com/read/38543528/effects-of-different-heavy-metal-stressors-on-the-endophytic-community-composition-and-diversity-of-symphytum-officinale
#7
JOURNAL ARTICLE
Jing Ma, Dawei Chen, Yifan Xu, Yue Liu, Lele Liu, Jing Huang, Ruochun Gao, Jie Bai, Qinzheng Hou
Endophytes play an important role in helping plants resist heavy metal stress. However, little is known about the effects of different heavy metals on the diversity and composition of endophyte communities. In this study, we used 16S and ITS amplicon sequencing to reveal the structure and function of endophytes in Symphytum officinale under different heavy metal stressors. The results showed that the endophytic fungal diversity decreased compared with the control under the different heavy metals stressors, while the diversity of endophytic bacteria showed an increasing trend...
February 27, 2024: Microorganisms
https://read.qxmd.com/read/38543521/using-fungi-in-artificial-microbial-consortia-to-solve-bioremediation-problems
#8
REVIEW
Elena Efremenko, Nikolay Stepanov, Olga Senko, Aysel Aslanli, Olga Maslova, Ilya Lyagin
There is currently growing interest in the creation of artificial microbial consortia, especially in the field of developing and applying various bioremediation processes. Heavy metals, dyes, synthetic polymers (microplastics), pesticides, polycyclic aromatic hydrocarbons and pharmaceutical agents are among the pollutants that have been mainly targeted by bioremediation based on various consortia containing fungi (mycelial types and yeasts). Such consortia can be designed both for the treatment of soil and water...
February 26, 2024: Microorganisms
https://read.qxmd.com/read/38543406/the-potential-of-electrospun-membranes-in-the-treatment-of-textile-wastewater-a-review
#9
REVIEW
Joana M Rocha, Rui P C L Sousa, Raul Fangueiro, Diana P Ferreira
Water security and industrial wastewater treatment are significant global concerns. One of the main issues with environmental contamination has been the discharge of dye wastewater from the textile and dye industries, contributing to an ever-growing problem with water pollution, poisoning water supplies, and harming the ecosystem. The traditional approach to wastewater treatment has been found to be inefficient, and biosorption techniques and mechanisms have been proven to be a successful replacement for conventional methods...
March 13, 2024: Polymers
https://read.qxmd.com/read/38543108/anthocyanins-from-lycium-ruthenicum-murray-mitigate-cadmium-induced-oxidative-stress-and-testicular-toxicity-by-activating-the-keap1-nrf2-signaling-pathway
#10
JOURNAL ARTICLE
Mingran Dong, Juan Lu, Hongwei Xue, Yang Lou, Shuyang Li, Tao Liu, Zimian Ding, Xi Chen
Cadmium (Cd) is a hazardous heavy metal environmental pollutant that has carcinogenic, teratogenic, and mutagenic properties. Excessive exposure to Cd can induce oxidative stress, which greatly harms the male reproductive system. Anthocyanins have remarkable antioxidative, anti-inflammatory, and anti-stress properties. In this study, we investigated the effects of anthocyanins and the underlying mechanisms through which anthocyanins mitigate Cd-induced reproductive damage. We isolated and purified Lycium ruthenicum Murray anthocyanin extract (LAE) and performed UHPLC-MS/MS to identify 30 different anthocyanins...
March 1, 2024: Pharmaceuticals
https://read.qxmd.com/read/38542972/mass-spectrometry-based-research-of-cosmetic-ingredients
#11
REVIEW
Alina Florina Serb, Marius Georgescu, Robert Onulov, Cristina Ramona Novaconi, Eugen Sisu, Alexandru Bolocan, Raluca Elena Sandu
Cosmetic products are chemical substances or mixtures used on the skin, hair, nails, teeth, and the mucous membranes of the oral cavity, whose use is intended to clean, protect, correct body odor, perfume, keep in good condition, or change appearance. The analysis of cosmetic ingredients is often challenging because of their huge complexity and their adulteration. Among various analytical tools, mass spectrometry (MS) has been largely used for compound detection, ingredient screening, quality control, detection of product authenticity, and health risk evaluation...
March 17, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38542610/a-novel-thin-layer-flow-cell-sensor-system-based-on-bdd-electrode-for-heavy-metal-ion-detection
#12
JOURNAL ARTICLE
Danlin Xiao, Junfeng Zhai, Zhongkai Shen, Qiang Wang, Shengnan Wei, Yang Li, Chao Bian
An electrochemical sensor based on a thin-layer flow cell and a boron-doped diamond (BDD) working electrode was fabricated for heavy metal ions determination using anodic stripping voltammetry. Furthermore, a fluidic automatic detection system was developed. With the wide potential window of the BDD electrode, Zn2+ with high negative stripping potential was detected by this system. Due to the thin-layer and fluidic structure of the sensor system, the electrodepositon efficiency for heavy metal ions were improved without using conventional stirring devices...
March 4, 2024: Micromachines
https://read.qxmd.com/read/38542578/advances-in-carbon-dot-based-ratiometric-fluorescent-probes-for-environmental-contaminant-detection-a-review
#13
REVIEW
Xinxin Xing, Zhezhe Wang, Yude Wang
Detecting environmental contaminants is crucial for protecting ecosystems and human health. While traditional carbon dot (CD) fluorescent probes are versatile, they may suffer from limitations like fluctuations in signal intensity, leading to detection inaccuracies. In contrast, ratiometric fluorescent probes, designed with internal self-calibration mechanisms, offer enhanced sensitivity and reliability. This review focuses on the design and applications of ratiometric fluorescent probes based on CDs for environmental monitoring...
February 28, 2024: Micromachines
https://read.qxmd.com/read/38542541/gold-nanoparticle-modified-carbon-fiber-microelectrodes-for-the-electrochemical-detection-of-cd-2-via-fast-scan-cyclic-voltammetry
#14
JOURNAL ARTICLE
Noel Manring, Miriam Strini, Gene Koifman, Jessica L Smeltz, Pavithra Pathirathna
Neurotoxic heavy metals, such as Cd2+ , pose a significant global health concern due to their increased environmental contamination and subsequent detrimental health hazards they pose to human beings. These metal ions can breach the blood-brain barrierblood-brain barrier, leading to severe and often irreversible damage to the central nervous system and other vital organs. Therefore, developing a highly sensitive, robust, and rapid in vivo detection method for these hazardous heavy metal ions is of the utmost importance for early detection, thus initiating timely therapeutics...
February 21, 2024: Micromachines
https://read.qxmd.com/read/38542432/neurogenic-effects-of-inorganic-arsenic-and-cdk5-knockdown-in-zebrafish-embryos-a-perspective-on-modeling-autism
#15
REVIEW
Qiang Gu, Jyotshna Kanungo
The exact mechanisms of the development of autism, a multifactorial neurological disorder, are not clear. The pathophysiology of autism is complex, and investigations at the cellular and molecular levels are ongoing to provide clarity. Mutations in specific genes have been identified as risk factors for autism. The role of heavy metals in the pathogenesis of autism is subject to many studies and remains debatable. Although no exact neuronal phenotypes have been identified linked to autistic symptoms, overproduction and reduction of specific neurons have been implicated...
March 19, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38542159/shedding-light-on-heavy-metal-contamination-fluorescein-based-chemosensor-for-selective-detection-of-hg-2-in-water
#16
JOURNAL ARTICLE
Maksim N Zavalishin, Alexey N Kiselev, Alexandra K Isagulieva, Anna V Shibaeva, Vladimir A Kuzmin, Vladimir N Morozov, Eugene A Zevakin, Ulyana A Petrova, Alina A Knyazeva, Alexey V Eroshin, Yuriy A Zhabanov, George A Gamov
This article discusses the design and analysis of a new chemical chemosensor for detecting mercury(II) ions. The chemosensor is a hydrazone made from 4-methylthiazole-5-carbaldehyde and fluorescein hydrazide. The structure of the chemosensor was confirmed using various methods, including nuclear magnetic resonance spectroscopy, infrared spectroscopy with Fourier transformation, mass spectroscopy, and quantum chemical calculations. The sensor's ability in the highly selective and sensitive discovery of Hg2+ ions in water was demonstrated...
March 10, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38541981/current-status-of-and-future-prospects-for-drug-eluting-stents-and-scaffolds-in-infrapopliteal-arteries
#17
REVIEW
Elizabeth Lim, Ramon L Varcoe
Background: Chronic limb-threatening ischaemia can be a debilitating disease and may result in limb amputation if untreated. Atherosclerotic disease of the infra-popliteal arteries is particularly challenging to treat due to the small caliber of the vessels and the heavy burden of atherosclerotic plaque. Percutaneous transluminal angioplasty is the conventional first-line approach and is advantageous due to its minimal invasiveness, repeatability, and cost-effectiveness but is limited by high rates of elastic recoil, dissection, and short- to mid-term re-stenosis...
March 19, 2024: Journal of Clinical Medicine
https://read.qxmd.com/read/38540843/polysaccharides-as-protective-agents-against-heavy-metal-toxicity
#18
REVIEW
Lukman Iddrisu, Felix Danso, Kit-Leong Cheong, Zhijia Fang, Saiyi Zhong
Polysaccharides are functional foods or drugs that can be used to alleviate heavy metal poisoning by cadmium, lead, mercury, and arsenic. Industries generate substantial quantities of toxic heavy metal wastes, such as wastewater discharges, paints, electronic waste, batteries, pigments, and plastics, into the environment that pose a risk to human health. Therefore, it is imperative to eliminate accumulated heavy metal ions from the body and the environment. Heavy metal toxicity can lead to decreased energy levels and impair the functioning of vital organs, such as the brain, lungs, kidneys, liver, and blood...
March 11, 2024: Foods (Basel, Switzerland)
https://read.qxmd.com/read/38540644/pollutants-in-breast-milk-a-scoping-review-of-the-most-recent-data-in-2024
#19
REVIEW
Raphaël Serreau, Yasmine Terbeche, Virginie Rigourd
Perinatal exposure to pollutants, including persistent organic pollutants (POPs) and heavy metals, poses significant risks to both mothers and children, marking this period as highly vulnerable. Despite the well-acknowledged benefits of breastfeeding, there exists a gap in comprehensive understanding regarding the impact of environmental pollutants on breast milk, underscoring the critical need for this study. Our research addresses this gap by exploring the intersection of environmental health and lactation, situated within the broader 'One Health' concept, thus contributing a novel perspective to the existing body of knowledge...
March 18, 2024: Healthcare (Basel, Switzerland)
https://read.qxmd.com/read/38539903/se-alleviated-pb-caused-neurotoxicity-in-chickens-sps2-gpx1-gsh-il-2-il-17-no-pathway-selenoprotein-suppression-oxidative-stress-and-inflammatory-injury
#20
JOURNAL ARTICLE
Yansheng Li, Jiatian Liang, Chunyu Jiang, Jiawen Cui, Lan Hong, Zhiyu Hao, You Tang, Yuhao Liu, Xun Cui, Xiaohua Teng
Lead (Pb), a heavy metal environmental pollutant, poses a threat to the health of humans and birds. Inflammation is one of the most common pathological phenomena in the case of illness and poisoning. However, the underlying mechanisms of inflammation remain unclear. The cerebellum and the thalamus are important parts of the nervous system. To date, there have been no reports of Pb inducing inflammation in animal cerebellums or thalami. Selenium (Se) can relieve Pb poisoning. Therefore, we aimed to explore the mechanism by which Se alleviates Pb toxicity to the cerebellums and thalami of chickens by establishing a chicken Pb or/and Se treatment model...
March 18, 2024: Antioxidants (Basel, Switzerland)
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