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Articoli di riviste sul tema "Arsenic"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Kim, Hyojin, Yangwon Jeon, Woonwoo Lee, Geupil Jang, and Youngdae Yoon. "Shifting the Specificity of E. coli Biosensor from Inorganic Arsenic to Phenylarsine Oxide through Genetic Engineering." Sensors 20, no. 11 (2020): 3093. http://dx.doi.org/10.3390/s20113093.

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It has recently been discovered that organic and inorganic arsenics could be detrimental to human health. Although organic arsenic is less toxic than inorganic arsenic, it could form inorganic arsenic through chemical and biological processes in environmental systems. In this regard, the availability of tools for detecting organic arsenic species would be beneficial. Because As-sensing biosensors employing arsenic responsive genetic systems are regulated by ArsR which detects arsenics, the target selectivity of biosensors could be obtained by modulating the selectivity of ArsR. In this study,

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2

Boujedaini, Naoual, Laurence Terzan, and Anisur Rahman Khuda-Bukhsh. "Summary of four scientific studies on Arsenicum album high dilution effect against Arsenic intoxication in mice." International Journal of High Dilution Research - ISSN 1982-6206 11, no. 40 (2021): 150–51. http://dx.doi.org/10.51910/ijhdr.v11i40.606.

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Background: Groundwater arsenic affects millions of people in about 20 countries. In West Bengal (India) and Bangladesh alone over 100 million people are exposed. The arsenic concentration in contaminated groundwater in Bangladesh was above the maximum permissible level of 0.05 mg/l as recommended by WHO for developing countries [1]. Drinking water is not the only source of poisoning. In arsenic contaminated areas, crops, vegetables, cereals, poultry, cattle, etc, also contain traces of arsenic. Chronic arsenic intoxication has been associated with several diseases such as melanosis, leuco-mel

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3

Zhou, Ting, Jian Mei Zhou, Li Ming Zhou, et al. "Conversion and Species Distribution Characteristics of Arsenical Chemical Agent in the Soil Contaminated by Chemical Weapons Abandoned by Japan." Advanced Materials Research 955-959 (June 2014): 1194–203. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.1194.

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In order to phytoremediation the soils contaminated by arsenical chemical weapons abandoned by Japan at some region of Jilin Province and ready for the estimate of the ecological safety, this paper analyzed organic species in soil with GC-MS, disscussed extraction and testing of inorganic arsenic in soil with hydrochloric acid, studied species of arsenic in soil such as available forms, valence state, and combined state, and inferred conversion process of arsenical chemical agent. The results indicate that after simple destroying and long time burial, almost all arsenical chemical agents in so

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4

Fontes, Olney Leite, Fátima Cristiane Lopes Goularte Farhat, Amarilys Toledo Cesar, et al. "Evaluation of the effect of different concentrations of Arsenicum album 6cH on intoxicated rats." International Journal of High Dilution Research - ISSN 1982-6206 8, no. 28 (2021): 119–27. http://dx.doi.org/10.51910/ijhdr.v8i28.349.

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Aims: Homeopaths diverge on the concept of dose, i.e. the amount of drug that a patient must take to alter his or her state of disease. In order to stimulate reflections on this concept, this study sought to evaluate in vivo the effect of different concentrations of Arsenicum album 6cH prepared according to homeopathic pharmacotechnics. Methods: male Wistar rats were intoxicated with arsenic and then treated with Arsenicum album 6cH and Arsenicum album 6cH diluted at 1%, administered orally. The amount of arsenic retained in the animalsÃƒÂ¢Ã¢â€šÂ¬Ã¢â€žÂ¢ organism and that eliminated by urine w

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5

Chowdhury, Uttam K. "Groundwater arsenic contamination status and its impact on humans’ health in Bangladesh." Academic Research Journal of Nature and Public Health 1, no. 1 (2022): 1–12. http://dx.doi.org/10.55124/arjn.v1i1.159.

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From our preliminary survey (1995 to 2000), 33,092 hand tube wells water samples, collected from all 64 districts and found arsenic in 60 districts above WHO recommended value in drinking water (10 µg/L) and in 50 districts above maximum permissible limit, 50 µg/L. In these 50 districts the actual arsenic status is, 37% contains arsenic less than 10 µg/L, 63% and 42% contain arsenic above 10 µg/L and 50 µg/L, respectively. Total population of these 50 districts is about 104.9 million. This does not mean all populations in the 50 districts are drinking arsenic contaminated water or suffering, b

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6

Nargis, Farhana, Md Shafiuz zaman, Md Moklesur Rahman, Nasrin Sultana, Methila Sharmin, and Tahreema Salam. "Characteristics of Palmar Arsenical Keratosis Patients." Scholars Journal of Applied Medical Sciences 13, no. 05 (2025): 1178–82. https://doi.org/10.36347/sjams.2025.v13i05.029.

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Background: Arsenic contamination of groundwater is a persistent public health issue in many developing regions, especially in Bangladesh. Chronic exposure through contaminated drinking water has been associated with multiple health effects, including dermatological conditions such as palmar arsenical keratosis one of the most characteristic indicators of arsenicosis. Objective: This study aimed to evaluate the demographic, clinical, and exposure-related characteristics of patients diagnosed with palmar arsenical keratosis in a highly arsenic-endemic region of Bangladesh. Methodology: This obs

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7

Carmean, Christopher M., Mizuho Mimoto, Michael Landeche, et al. "Dietary Selenium Deficiency Partially Mimics the Metabolic Effects of Arsenic." Nutrients 13, no. 8 (2021): 2894. http://dx.doi.org/10.3390/nu13082894.

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Chronic arsenic exposure via drinking water is associated with diabetes in human pop-ulations throughout the world. Arsenic is believed to exert its diabetogenic effects via multiple mechanisms, including alterations to insulin secretion and insulin sensitivity. In the past, acute arsenicosis has been thought to be partially treatable with selenium supplementation, though a potential interaction between selenium and arsenic had not been evaluated under longer-term exposure models. The purpose of the present study was to explore whether selenium status may augment arsenic’s effects during chron

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8

Parada, Humberto, Tianying Wu, Rebecca C. Fry, et al. "Understanding the Relationship between Environmental Arsenic and Prostate Cancer Aggressiveness among African-American and European-American Men in North Carolina." International Journal of Environmental Research and Public Health 17, no. 22 (2020): 8364. http://dx.doi.org/10.3390/ijerph17228364.

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High-level exposure to arsenic, a known carcinogen and endocrine disruptor, is associated with prostate cancer (PCa) mortality. Whether low-level exposure is associated with PCa aggressiveness remains unknown. We examined the association between urinary arsenic and PCa aggressiveness among men in North Carolina. This cross-sectional study included 463 African-American and 491 European-American men with newly diagnosed, histologically confirmed prostate adenocarcinoma. PCa aggressiveness was defined as low aggressive (Gleason score < 7, stage = cT1–cT2, and PSA < 10 ng/mL) versus intermed

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9

Bell, Kim, and Robin Canham. "Pages of Poison." Canadian Journal of Academic Librarianship 11 (April 15, 2025): 1–28. https://doi.org/10.33137/cjal-rcbu.v11.43087.

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In the 19th century, arsenic was a commonly used additive and colourant found in paper, clothing, household goods, personal products, and even confectionary items. Although most of these toxic products have long been removed from public consumption, books created using copper acetoarsenite, a green pigment, remain in our libraries and personal collections, with potential health implications. This article focuses on identifying 19th-century books in the Queen’s University Library, Kingston, suspected to contain copper acetoarsenite or emerald green. Based on visual identification, 150 books pub

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10

Coryell, Michael, Barbara A. Roggenbeck, and Seth T. Walk. "The Human Gut Microbiome’s Influence on Arsenic Toxicity." Current Pharmacology Reports 5, no. 6 (2019): 491–504. http://dx.doi.org/10.1007/s40495-019-00206-4.

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Abstract Purpose of Review Arsenic exposure is a public health concern of global proportions with a high degree of interindividual variability in pathologic outcomes. Arsenic metabolism is a key factor underlying toxicity, and the primary purpose of this review is to summarize recent discoveries concerning the influence of the human gut microbiome on the metabolism, bioavailability, and toxicity of ingested arsenic. We review and discuss the current state of knowledge along with relevant methodologies for studying these phenomena. Recent Findings Bacteria in the human gut can biochemically tra

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11

Huang, Hsin-Wei, Chih-Hung Lee, and Hsin-Su Yu. "Arsenic-Induced Carcinogenesis and Immune Dysregulation." International Journal of Environmental Research and Public Health 16, no. 15 (2019): 2746. http://dx.doi.org/10.3390/ijerph16152746.

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Arsenic, a metal ubiquitously distributed in the environment, remains an important global health threat. Drinking arsenic-contaminated water is the major route of human exposure. Exposure to arsenic contributes to several malignancies, in the integumentary, respiratory, hepatobiliary, and urinary systems. Cutaneous lesions are important manifestations after long-term arsenic exposure. Arsenical skin cancers usually herald the development of other internal cancers, making the arsenic-induced skin carcinogenesis a good model to investigate the progression of chemical carcinogenesis. In fact, onl

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12

Fischer, Alicia, James Saunders, Sara Speetjens, et al. "Long-Term Arsenic Sequestration in Biogenic Pyrite from Contaminated Groundwater: Insights from Field and Laboratory Studies." Minerals 11, no. 5 (2021): 537. http://dx.doi.org/10.3390/min11050537.

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Pumping groundwater from arsenic (As)-contaminated aquifers exposes millions of people, especially those in developing countries, to high doses of the toxic contaminant. Previous studies have investigated cost-effective techniques to remove groundwater arsenic by stimulating sulfate-reducing bacteria (SRB) to form biogenic arsenian pyrite. This study intends to improve upon these past methods to demonstrate the effectiveness of SRB arsenic remediation at an industrial site in Florida. This study developed a ferrous sulfate and molasses mixture to sequester groundwater arsenic in arsenian pyrit

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13

LUNDH, DAN, DENNIS LARSSON, NOOR NAHAR, and ABUL MANDAL. "ARSENIC ACCUMULATION IN PLANTS – OUTLINING STRATEGIES FOR DEVELOPING IMPROVED VARIETY OF CROPS FOR AVOIDING ARSENIC TOXICITY IN FOODS." Journal of Biological Systems 18, no. 01 (2010): 223–41. http://dx.doi.org/10.1142/s0218339010003214.

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Contamination of food with arsenics is a potential health risk for both humans and animals in many regions of the world, especially in Asia. Arsenics can be accumulated in humans, animals and plants for a longer period and a long-term exposure of humans to arsenics results in severe damage of kidney, lever, heart etc. and many other vascular diseases. Arsenic contamination in human may also lead to development of cancer. In this paper we report our results on data mining approach (an in silico analysis based on searching of the existing genomic databases) for identification and characterizatio

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14

Qu, Can, and Ruixue Huang. "Linking the Low-Density Lipoprotein-Cholesterol (LDL) Level to Arsenic Acid, Dimethylarsinic, and Monomethylarsonic: Results from a National Population-Based Study from the NHANES, 2003–2020." Nutrients 14, no. 19 (2022): 3993. http://dx.doi.org/10.3390/nu14193993.

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Arsenic (As) contamination is a global public health problem. Elevated total cholesterol (TC) and low-density lipoprotein-cholesterol (LDL-C) are risk factors for cardiovascular diseases, but data on the association of urinary arsenic species’ level and LDL-C are limited. We performed an association analysis based on urinary arsenic species and blood TC and LDL-C in US adults. Methods: Urinary arsenic, arsenic acid (AA), dimethylarsinic (DMA), monomethylarsonic (MMA), TC, LDL-C, and other key covariates were obtained from the available National Health and Nutrition Examination Survey (NHANES)

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15

Rahman, Mohammad Mahmudur, Mrinal Kumar Sengupta, Sad Ahamed, et al. "Status of groundwater arsenic contamination and human suffering in a Gram Panchayet (cluster of villages) in Murshidabad, one of the nine arsenic affected districts in West Bengal, India." Journal of Water and Health 3, no. 3 (2005): 283–96. http://dx.doi.org/10.2166/wh.2005.038.

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A detailed study was carried out in a cluster of villages known as Sagarpara Gram Panchayet (GP), covering an area of 20 km2 and population of 24,419 to determine the status of groundwater arsenic contamination and related health effects. The arsenic analysis of all hand tubewells (n = 565) in working condition showed, 86.2% and 58.8% of them had arsenic above 10, and 50 μg l−1, respectively. The groundwater samples from all 21 villages in Sagarpara GP contained arsenic above 50 μg l−1. In our preliminary clinical survey across the 21 villages, 3,302 villagers were examined and 679 among them

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16

Repukaiti, Reyixiati, Luis Diaz Aldana, and Tedd Lister. "Electrochemical Immobilization of Arsenic." ECS Meeting Abstracts MA2022-02, no. 26 (2022): 1028. http://dx.doi.org/10.1149/ma2022-02261028mtgabs.

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Arsenic handling and immobilization are critical issues in the mining of sulfarsenide minerals, due to arsenic’s toxicity to the environment. Significant amount of arsenic can be present in Cu, Zn, Ni, and Co minerals. Cobaltite (CoAsS) for example, is one of those sulfides from which cobalt can be mined as the primary mineral. However, cobalt extraction from cobaltite generates equivalent mass of arsenic per extracted cobalt. To unlock the domestic cobalt production, efficient arsenic immobilization techniques are needed. Compared to traditional hydrometallurgical and pyrometallurgical proces

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17

Dube, Ruchi Shivsharnkar, Sunita Singh, Arpita Gupte, and Akhilesh Modi. "Arsenic Contamination in Eastern India: Exploring the Impact, Mitigation, and Bioremediation Strategies." Current Agriculture Research Journal 12, no. 2 (2024): 1008–29. http://dx.doi.org/10.12944/carj.12.2.41.

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Arsenic is a metalloid that is naturally present in the environment. Exposure to arsenic can cause health issues like cancer, cardiovascular, neurological, and respiratory complications. With more than a million people affected due to arsenic contamination in groundwater, Bihar is one of the worst arsenic-affected states in India. Groundwater is one of the primary sources for cooking, farming, and other household chores. People are exposed to arsenic through food as well as contaminated drinking water. As a result, arsenic has made its way into the food chain. Several cases of cancer, arsenica

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18

Banerjee, Pathikrit, Soumya Sundar Bhattacharyya, Surajit Pathak, Naoual Boujedaini, Philippe Belon, and Anisur Rahman Khuda-Bukhsh. "Evidences of Protective Potentials of Microdoses of Ultra-High Diluted Arsenic Trioxide in Mice Receiving Repeated Injections of Arsenic Trioxide." Evidence-based Complementary and Alternative Medicine 2011 (2011): 1–10. http://dx.doi.org/10.1093/ecam/nen090.

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The present study was undertaken to examine if microdoses of ultra-high diluted arsenic trioxide (a potentized homeopathic remedy, Arsenicum Album 200C, diluted 10-400times) have hepatoprotective potentials in mice subjected to repeated injections of arsenic trioxide. Arsenic intoxicated mice were divided into: (i) those receiving Arsenicum Album-200C daily, (ii) those receiving the same dose of diluted succussed alcohol (Alc 200C) and (iii) another group receiving neither drug nor succussed alcohol. Two other control groups were also maintained: one fed normal diet only and the other receivin

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19

Wang, Xingrun, Fengsong Zhang, and Zexi Nong. "Mineral Phases and Release Behaviors of As in the Process of Sintering Residues Containing As at High Temperature." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/260504.

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To investigate the effect of sintering temperature and sintering time on arsenic volatility and arsenic leaching in the sinter, we carried out experimental works and studied the structural changes of mineral phases and microstructure observation of the sinter at different sintering temperatures. Raw materials were shaped under the pressure of 10 MPa and sintered at 1000~1350°C for 45 min with air flow rate of 2000 mL/min. The results showed that different sintering temperatures and different sintering times had little impact on the volatilization of arsenic, and the arsenic fixed rate remained

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20

Guo, Jing, Jianping Cheng, Jiaquan Wang, and Shuheng Hu. "Simultaneous Removal of Trivalent Arsenic and Nitrate Using Microbial Fuel Cells." Processes 9, no. 4 (2021): 673. http://dx.doi.org/10.3390/pr9040673.

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A rectangular double chamber with trivalent arsenic as the electron donor of the biological anode was constructed by microbial fuel cells (MFC), and the feasibility of the MFC simultaneous degradation of trivalent arsenic and nitrate was studied. Experimental results show that the co-matrix-coupled MFC reactor oxidizes trivalent arsenic in an anode chamber and degrades nitrate in the cathode chamber. The removal rate of trivalent arsenic is about 63.35%, and the degradation rate of nitrate is about 55.95% during the complete and stable operation period. MFC can continuously output electric ene

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21

Belon, Philippe, Pathikrit Banerjee, Sandipan Chaki Choudhury, et al. "Can Administration of Potentized Homeopathic Remedy,Arsenicum Album, Alter Antinuclear Antibody (ANA) Titer in People Living in High-Risk Arsenic Contaminated Areas? I. A Correlation with Certain Hematological Parameters." Evidence-Based Complementary and Alternative Medicine 3, no. 1 (2006): 99–107. http://dx.doi.org/10.1093/ecam/nek013.

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To examine whether elevated antinuclear antibody (ANA) titers reported in random human population of arsenic contaminated villages can be reverted to the normal range by administration of a potentized homeopathic drug,Arsenicum album, randomly selected volunteers in two arsenic contaminated villages and one arsenic-free village in West Bengal (India) were periodically tested for their ANA titer as well as various blood parameters in two types of experiments: ‘placebo-controlled double blind’ experiment for shorter duration and ‘uncontrolled verum fed experiment’ for longer duration. Positive m

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22

Chowdhury, Uttam K. "Health effects and metabolic pathway of arsenic in children." Journal of Pediatrics and Advanced Neonatal Care 1, no. 1 (2022): 1–22. http://dx.doi.org/10.55124/jpan.v1i1.210.

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Our six years of field experience in Bangladesh showed that normally children under 11 years of age do not show arsenical skin manifestations. However, we have observed a few exceptions when (1) the arsenic content in water consumed by children is very high (≥1,000 µg/L) and (2) the arsenic content is not very high, but the children get poor nutrition. It appears that although 6.12% of 4,864 children showed arsenic skin lesions but hair and nail analysis of children (below 11 years) with or without arsenical skin lesions from affected villages of Bangladesh showed that 84% of the children had

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23

You, Li Juan, Ting Zhou, Xue Feng Wang, Yong Xu, Gang Rao, and Xin Meng. "Study on the Extraction of Arsenic in Destruction Residues of Arsenical Chemical Weapons." Advanced Materials Research 955-959 (June 2014): 2874–79. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2874.

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In order to treat these arsenical residues produced when some arsenical chemical weapons were destroyed in Nanjing and recycle the arsenic, sulfuric acid was used as the extraction agent to extract the arsenic contained in the residuals, and single factor experiments and orthogonal experiments were carried out to study the effects of factors including concentration, liquid-to-solid ratio, temperature, shaking speed and time on the extraction effect. The results show that these five factors all have some effect on the arsenic extraction rate with the degree in the following order: Liquid-to-sol

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Nguyen, Chi H., Chao Zeng, Scott Boitano, Jim A. Field, and Reyes Sierra-Alvarez. "Cytotoxicity Assessment of Gallium- and Indium-Based Nanoparticles Toward Human Bronchial Epithelial Cells Using an Impedance-Based Real-Time Cell Analyzer." International Journal of Toxicology 39, no. 3 (2020): 218–31. http://dx.doi.org/10.1177/1091581820914255.

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The semiconductor manufacturing sector plans to introduce III/V film structures (eg, gallium arsenide (GaAs), indium arsenide (InAs) onto silicon wafers due to their high electron mobility and low power consumption. Aqueous solutions generated during chemical and mechanical planarization of silicon wafers can contain a mixture of metal oxide nanoparticles (NPs) and soluble indium, gallium, and arsenic. In this work, the cytotoxicity induced by Ga- and In-based NPs (GaAs, InAs, Ga2O3, In2O3) and soluble III-V salts on human bronchial epithelial cells (16HBE14o-) was evaluated using a cell imped

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Majumdar, Kunal Kanti. "Chronic arsenic poisoning and Hepatotoxicity." Journal of Comprehensive Health 5, no. 1 (2020): 24–33. http://dx.doi.org/10.53553/jch.v05i01.003.

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Arsenic (As) is a toxic and carcinogenic metalloid. Arsenic toxicity is a global health problem affecting many millions of people. Contamination is caused by arsenic from natural geological sources leaching into aquifers, contaminating drinking water and may also occur from mining and other industrial processes. Chronic arsenic poisoning, or arsenicosis, is typically defined by the classical skin manifestations, together with involvement of internal organs, such as liver injury, in the presence of known arsenic exposure. Probably, the most important concern with arsenic exposure is its carcino

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Castriota, Felicia, Peter-James H. Zushin, Sylvia S. Sanchez, et al. "Chronic arsenic exposure impairs adaptive thermogenesis in male C57BL/6J mice." American Journal of Physiology-Endocrinology and Metabolism 318, no. 5 (2020): E667—E677. http://dx.doi.org/10.1152/ajpendo.00282.2019.

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The global prevalence of type 2 diabetes (T2D) has doubled since 1980. Human epidemiological studies support arsenic exposure as a risk factor for T2D, although the precise mechanism is unclear. We hypothesized that chronic arsenic ingestion alters glucose homeostasis by impairing adaptive thermogenesis, i.e., body heat production in cold environments. Arsenic is a pervasive environmental contaminant, with more than 200 million people worldwide currently exposed to arsenic-contaminated drinking water. Male C57BL/6J mice exposed to sodium arsenite in drinking water at 300 μg/L for 9 wk experien

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Wang, Wei Zhuo, and Jian Min Bian. "Study on Mn-Fe-LDH Material for Remediation of Arsenic Contaminated Water." Key Engineering Materials 730 (February 2017): 200–205. http://dx.doi.org/10.4028/www.scientific.net/kem.730.200.

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Arsenical water pollution refers to the toxicity of arsenic. The form of trivalent arsenic has been seen as more toxic substances, which will be great improved by the manmade pollution. Compared with other technologies, adsorption is the main method of removal of arsenic pollution, for its higher efficiency and lower cost. Based on the adsorption theory and ion exchange method, the layered double hydroxides material containing ferric iron and manganese (Mn-Fe-LDH) was prepared to remove arsenic in this paper. We have designed some experiments for synthesis of this material. The reaction proces

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Zhou, Ting, Li Juan You, Meng Wei Han, Xue Feng Wang, Hong Juan Wang, and Jun Xiang Chen. "Investigation of the Accumulation Effect of Pteris vittata L. in Triphenylarsine-Contaminated Soil." Advanced Materials Research 955-959 (June 2014): 2007–13. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2007.

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The principle and mechanism of triphenylarsine (TPA) accumulation of arsenic hyper-accumulator-Pteris vittata L was investigated to remediate soil contaminated by abandoned arsenical chemical weapons in somewhere in Jilin Province, by means of soil and water culture in the greenhouse. Through analysis of changes in concentrations of total arsenic and TPA in Pteris vittata L. and in inorganic arsenic concentration of water culture solution, observation of apparent characteristics and determination of organic arsenic forms in Pteris vittata L., results show that Pteris vittata L. could accumulat

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Nargis, Farhana, Mir Misbahuddin, Md Moklesur Rahman, Md Shafiuz zaman, Humayra Rumu, and Israt Zahan Zarin. "Effect of Chloroform Extract of Nigella Sativa Seed in the Treatment of Palmar Arsenical Keratosis." Saudi Journal of Medical and Pharmaceutical Sciences 11, no. 05 (2025): 418–24. https://doi.org/10.36348/sjmps.2025.v11i05.009.

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Background: Arsenical keratosis, a chronic skin disorder resulting from prolonged exposure to inorganic arsenic, poses a significant public health challenge in arsenic-endemic regions like Bangladesh. Characterized by hyperkeratotic lesions, particularly on the palms and soles, the condition is a known precursor to skin cancer. Current treatment options offer limited efficacy, necessitating the exploration of alternative therapies. Objective: This study aimed to investigate the dose-dependent cytotoxicity of Nigella sativa seed extract and assess its therapeutic potential in the management of

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Hoque, M. M., S. Rahman, M. E. Hoque, M. J. Ara, and M. R. Jamal. "Arsenic pollution and its impact on agricultural production, including the ecosystem services delivered by biodiversity." Journal of Science Technology and Environment Informatics 13, no. 01 (2024): 827–39. http://dx.doi.org/10.18801/jstei.130124.83.

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Arsenic (As), a noxious metal(loid) widely available in the biosphere, originates mainly from geogenic and anthropogenic origin. Massive global development and industrialization, using pesticides carrying arsenic, arsenical animal feeds, medicine, mining, aquifer sediments, coal burning, and microbial and natural processes continuously release this obnoxious bane to the natural environment and pollute soil and water. Inorganic (iAs) species, mainly arsenate and arsenite, are comparatively more lethal than methylated species. However, pentavalent [As (V)] organic species are nearly non-toxic. A

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Majumdar, Kunal Kanti. "Effect of arsenic safe water on manifestations of arsenicosis." International Journal Of Community Medicine And Public Health 5, no. 10 (2018): 4573. http://dx.doi.org/10.18203/2394-6040.ijcmph20184012.

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Background: Reports are few in the literature on the long term effect of chronic arsenic toxicity after stoppage of drinking arsenic contaminated water. The object of the study is to ascertain the effect of drinking of arsenic safe water for prolonged period in an arsenic affected population in West Bengal, India.Methods: A longitudinal intervention study was conducted from December 2017 to July 2018. Manifestations of various skin lesions and systemic diseases associated with chronic arsenic exposure were ascertained initially by carrying on baseline study on 200 families having 1200 family m

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Anushree, Md Zeeshan Ali, Anwar L. Bilgrami, and Jawaid Ahsan. "Acute Exposure to Arsenic Affects Pupal Development and Neurological Functions in Drosophila melanogaster." Toxics 11, no. 4 (2023): 327. http://dx.doi.org/10.3390/toxics11040327.

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Millions of people in developing countries are affected by arsenic (As) toxicity and its prevalence. Arsenic’s detrimental effects on humans have been amplified by an unacceptable level of exposure to food and drinking water, the ongoing rise in industrial usage, and several other occupational conditions. Due to increased cellular absorption and the ability to cross the blood–brain barrier (BBB), inorganic arsenic (iAs) is extremely hazardous to living organisms in its trivalent form. Arsenic toxicity damages an organism’s tissues and organs, resulting in skin cancer, circulatory system abnorm

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Chowdhury, Uttam K. "Arsenic Health Impacts to the People in Bangladesh." International Journal of Toxicology and Toxicity Assessment 2, no. 1 (2023): 55–80. http://dx.doi.org/10.55124/ijt.v2i1.234.

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Abstract (sommario):

In a period from 1995 to 2000, we had collected and analyzed 33,092 hand tube well water samples from four different/principal geomorphological regions (Hill tract, Table Land, Flood Plain, and Deltaic reason) i.e., from all 64 districts of Bangladesh and found arsenic in 60 districts that were above the WHO recommended value in drinking water (10 μg/L) and 50 districts that were above the maximum permissible limit, 50 μg/L. In our study for 6 years in Bangladesh, the survey for identification of arsenical patients was conducted by our group with a medical team in 261 villages of 80 police sta

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Dong, Owen, Michael Powers, Zijuan Liu, and Masafumi Yoshinaga. "Arsenic Metabolism, Toxicity and Accumulation in the White Button Mushroom Agaricus bisporus." Toxics 10, no. 10 (2022): 554. http://dx.doi.org/10.3390/toxics10100554.

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Abstract (sommario):

Mushrooms have unique properties in arsenic metabolism. In many commercial and wild-grown mushrooms, arsenobetaine (AsB), a non-toxic arsenical, was found as the dominant arsenic species. The AsB biosynthesis remains unknown, so we designed experiments to study conditions for AsB formation in the white button mushroom, Agaricus bisporus. The mushrooms were treated with various arsenic species including arsenite (As(III)), arsenate (As(V)), methylarsenate (MAs(V)), dimethylarsenate (DMAs(V)) and trimethylarsine oxide (TMAsO), and their accumulation and metabolism were determined using inductive

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35

Mu, Yao, Yunfan Pan, Wanxia Shi, et al. "Luteimonas arsenica sp. nov., an arsenic-tolerant bacterium isolated from arsenic-contaminated soil." International Journal of Systematic and Evolutionary Microbiology 66, no. 6 (2016): 2291–96. http://dx.doi.org/10.1099/ijsem.0.001024.

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36

Jankong, Patcharin, Cherif Chalhoub, Norbert Kienzl, Walter Goessler, Kevin A. Francesconi, and Pornsawan Visoottiviseth. "Arsenic accumulation and speciation in freshwater fish living in arsenic-contaminated waters." Environmental Chemistry 4, no. 1 (2007): 11. http://dx.doi.org/10.1071/en06084.

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Abstract (sommario):

Environmental context. Inorganic arsenic, a well-known human carcinogen, represents a major worldwide environmental problem because contaminated water supplies have lead to widespread human exposure. This study investigates the arsenic content of freshwater fish from arsenic-contaminated and non-contaminated sites in Thailand, and reports high arsenic concentrations and significant amounts of inorganic arsenic in the edible muscle tissue. The data suggest that freshwater fish may represent a significant source of inorganic arsenic to some human populations. Abstract. Striped snakehead (Channa

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37

Matsumoto-Tanibuchi, Eri, Toshiaki Sugimoto, Toshiyuki Kawaguchi, Naoki Sakakibara, and Michiaki Yamashita. "Determination of Inorganic Arsenic in Seaweed and Seafood by LC-ICP-MS: Method Validation." Journal of AOAC INTERNATIONAL 102, no. 2 (2019): 612–18. http://dx.doi.org/10.5740/jaoacint.18-0148.

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Abstract (sommario):

Abstract Background: Seaweed and seafoodoften contain both inorganic and organic arsenic compounds showing distinct toxicities. Speciation must be taken into account when determining the concentrations of arsenic compounds and how they relate to overall toxicity. Objective: An analytical method for the quantitation of inorganicarsenic was validated in seaweed and seafood. Methods: Food samples were heated at 100°C in 0.3 mol/L nitric acid. Arsenic speciation was quantitatively determined by LC-inductively coupled plasma-MS (LC-ICP-MS) using an octadecilsilane (ODS) column with a mobile phase c

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38

Ciofu, Iurie, and Andrei Ciofu. "Distribution Coefficient of Arsenic Durng Liquid-Phase Epitaxy Layer Growth of Phosphide-Arsenide of Gallium." Advanced Materials Research 1036 (October 2014): 140–45. http://dx.doi.org/10.4028/www.scientific.net/amr.1036.140.

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Abstract (sommario):

It is crucial to know the distribution coefficients of chemical elements in melts. This is essential for obtaining a given composition and properties of epitaxial layers grown from the liquid phase, for determining the regimes of high purification of materials obtained by zone melting, for producing the desired gradient of distribution of alloying elements throughout the layers of construction materials treated by chemical-thermal methods, etc. This paper presents the results of computing the distribution coefficient of arsenic during the growth of layers of phosphide-arsenide of gallium from

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Li, Yajia, Danrong Jing, Yi Xiao, Xiaoyan Huang, and Minxue Shen. "Patient-Reported Outcomes of Arsenic-Related Skin Lesions in China." BioMed Research International 2020 (September 18, 2020): 1–6. http://dx.doi.org/10.1155/2020/6195975.

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Abstract (sommario):

Purpose. Previous studies confirmed that chronic arsenic exposure could lead to pigmentary changes and hyperkeratosis. However, skin health-related quality of life (HRQoL) among people under lifetime arsenic exposure remains underappreciated. Our study is aimed at investigating several patient-reported outcomes in a population under chronic arsenic exposure. Patients and Methods. A cross-sectional study was conducted in communities in Shimen, China. Dermatologists performed skin examinations for participants. Patient-reported outcomes (PROs) included HRQoL, itch, sleep quality, and symptoms of

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Sudhir, P. K., Murty S. A. V. Satya, R. N. Viswanath, and H. Venkatesan. "Study of Arsenicum album Homeopathic Medicines: Insights from UV-Visible Spectroscopy." Research Journal of Biotechnology 20, no. 2 (2024): 64–70. https://doi.org/10.25303/202rjbt064070.

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Abstract (sommario):

Recent advances in homeopathic medicines have revolutionized the diagnosis and treatment for various health care diseases including severe acute respiratory syndrome. In UV-Vis spectroscopy, the amount of light absorbed is related to the amount of absorbing species present and hence, qualitative information about the medicinal solute species present in Arsenicum album can be obtained. The purpose of this primary research is to elucidate “Whether the medicinal solute species exist at higher potencies where the therapeutic effect is potentially high”. We have investigated different potencies of

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41

Chouychai, Waraporn, and Khanitta Somtrakoon. "Potential of Plant Growth Regulators to Enhance Arsenic Phytostabilization by Pennisetum purpureum cv. Mott." Pertanika Journal of Tropical Agricultural Science 45, no. 3 (2022): 835–51. http://dx.doi.org/10.47836/pjtas.45.3.18.

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Abstract (sommario):

The limited translocation of arsenic from contaminated soil to plant biomass is one way to decrease human exposure to arsenic (As). Plant growth regulators (PGR), including salicylic acid, indole butyric acid, and calcium, have been reported to alleviate toxicity and decrease the accumulation of heavy metals in many plants. Thus, this study has investigated the effect of plant growth regulators, including salicylic acid, salicylic acid + calcium chloride, indole butyric acid, and indole butyric acid + calcium chloride, to stimulate the growth and phytostabilization of Pennisetum purpureum cv.

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Volynkin, Sergey S., Svetlana B. Bortnikova, Nataliya V. Yurkevich, Olga V. Shuvaeva, and Sofia P. Kohanova. "Determination of Arsenic Species Distribution in Arsenide Tailings and Leakage Using Geochemical and Geophysical Methods." Applied Sciences 13, no. 2 (2023): 1067. http://dx.doi.org/10.3390/app13021067.

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Abstract (sommario):

This study describes the distribution of arsenic mobile species in the tailings of Cu–Co–Ni–arsenide using the sequential extraction and determining the contents of arsenate (AsV) and arsenite (AsIII). The object of this study is the tailings ponds of the Tuvakobalt plant, which contains waste from the hydrometallurgical arsenide ore processing of the Khovu-Aksy deposit (Republic of Tuva, Russia). A procedure of sequential extraction for arsenic was applied, and it includes the extraction of the following forms: water-soluble, potentially water-soluble and exchangeable, easily sorbed on the su

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43

Pérez-Cova, Miriam, Romà Tauler, and Joaquim Jaumot. "Adverse Effects of Arsenic Uptake in Rice Metabolome and Lipidome Revealed by Untargeted Liquid Chromatography Coupled to Mass Spectrometry (LC-MS) and Regions of Interest Multivariate Curve Resolution." Separations 9, no. 3 (2022): 79. http://dx.doi.org/10.3390/separations9030079.

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Abstract (sommario):

Rice crops are especially vulnerable to arsenic exposure compared to other cereal crops because flooding growing conditions facilitates its uptake. Besides, there are still many unknown questions about arsenic’s mode of action in rice. Here, we apply two untargeted approaches using liquid chromatography coupled to mass spectrometry (LC-MS) to unravel the effects on rice lipidome and metabolome in the early stages of growth. The exposure is evaluated through two different treatments, watering with arsenic-contaminated water and soil containing arsenic. The combination of regions of interest (RO

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44

Liu, Dan, Xiaoxu Duan, Dandan Dong, et al. "Activation of the Nrf2 Pathway by Inorganic Arsenic in Human Hepatocytes and the Role of Transcriptional Repressor Bach1." Oxidative Medicine and Cellular Longevity 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/984546.

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Abstract (sommario):

Previous studies have proved that the environmental toxicant, inorganic arsenic, activates nuclear factor erythroid 2-related factor 2 (Nrf2) pathway in many different cell types. This study tried to explore the hepatic Nrf2 pathway upon arsenic treatment comprehensively, since liver is one of the major target organs of arsenical toxicity. Our results showed that inorganic arsenic significantly induced Nrf2 protein and mRNA expression in Chang human hepatocytes. We also observed a dose-dependent increase of antioxidant response element- (ARE-) luciferase activity. Both the mRNA and protein lev

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45

Dr., Ajay Kr. Upadhyay. "Arsenic Contamination of Ground water and Health Risk." International Journal of Trend in Scientific Research and Development 2, no. 4 (2018): 836–42. https://doi.org/10.31142/ijtsrd14125.

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Abstract (sommario):

The arsenic poisoning due to contaminated groundwater in West Bengal, India, and all of Bangladesh has been thought to be limited to the Ganges Delta despite early survey reports of arsenic contamination in groundwater in the Union Territory of Chandigarh and its surroundings in the northwestern Upper Ganga Plain and recent findings in the Terai area of Nepal. Groundwater arsenic contamination and sufferings of people have been reported in 20 countries in different parts of the world. The magnitude is considered highest in five Asian countries and the severity is in order of Bangladesh India M

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46

Isokpehi, Raphael D., Udensi K. Udensi, Shaneka S. Simmons, et al. "Evaluative Profiling of Arsenic Sensing and Regulatory Systems in the Human Microbiome Project Genomes." Microbiology Insights 7 (January 2014): MBI.S18076. http://dx.doi.org/10.4137/mbi.s18076.

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Abstract (sommario):

The influence of environmental chemicals including arsenic, a type 1 carcinogen, on the composition and function of the human-associated microbiota is of significance in human health and disease. We have developed a suite of bioinformatics and visual analytics methods to evaluate the availability (presence or absence) and abundance of functional annotations in a microbial genome for seven Pfam protein families: As(III)-responsive transcriptional repressor (ArsR), anion-transporting ATPase (ArsA), arsenical pump membrane protein (ArsB), arsenate reductase (ArsC), arsenical resistance operon tra

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47

Deb, Debasree, Anirban Biswas, Aloke Ghose, Arabinda Das, Kunal K. Majumdar, and Debendra N. Guha Mazumder. "Nutritional deficiency and arsenical manifestations: a perspective study in an arsenic-endemic region of West Bengal, India." Public Health Nutrition 16, no. 9 (2012): 1644–55. http://dx.doi.org/10.1017/s1368980012004697.

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Abstract (sommario):

AbstractObjectiveTo assess whether nutritional deficiency increases susceptibility to arsenic-related health effects.DesignAssessment of nutrition was based on a 24 h recall method of all dietary constituents.SettingEpidemiological cross-sectional study was conducted in an arsenic-endemic area of West Bengal with groundwater arsenic contamination.SubjectsThe study was composed of two groups – Group 1 (cases,n108) exhibiting skin lesions and Group 2 (exposed controls,n100) not exhibiting skin lesions – age- and sex-matched and having similar arsenic exposure through drinking water and arsenic l

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48

Buzynin, Yu N., S. A. Gusev, Yu N. Drozdov, and A. V. Murel. "Porous gallium arsenide with arsenic clusters." Technical Physics 45, no. 5 (2000): 650–52. http://dx.doi.org/10.1134/1.1259695.

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49

Qu, Gaoyang, Zi Liu, Jiaxin Zhang, et al. "PINK1/Parkin-Mediated Mitophagy Partially Protects against Inorganic Arsenic-Induced Hepatic Macrophage Polarization in Acute Arsenic-Exposed Mice." Molecules 27, no. 24 (2022): 8862. http://dx.doi.org/10.3390/molecules27248862.

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Abstract (sommario):

Inorganic arsenic is a well-known environmental toxicant and carcinogen, and there is overwhelming evidence for an association between this metalloid poisoning and hepatic diseases. However, the biological mechanism involved is not well characterized. In the present study, we probed how inorganic arsenic modulates the hepatic polarization of macrophages, as well as roles of PTEN-induced kinase 1 (PINK1)/Parkin-mediated mitophagy participates in regulating the metalloid-mediated macrophage polarization. Our results indicate that acute arsenic exposure induced macrophage polarization with up-reg

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50

Pereira, Filipa, Rui J. C. Silva, António M. Monge Soares, et al. "Effects of Long-Term Aging in Arsenical Copper Alloys." Microscopy and Microanalysis 21, no. 6 (2015): 1413–19. http://dx.doi.org/10.1017/s1431927615015263.

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Abstract (sommario):

AbstractArchaeological materials present unique records on natural processes allowing the study of long-term material behaviors such as structural modifications and degradation mechanisms. The present work is focused on the chemical and microstructural characterization of four prehistoric arsenical copper artifacts. These artifacts were characterized by micro-energy dispersive X-ray fluorescence spectrometry, optical microscopy, scanning electron microscopy with X-ray microanalysis, micro-X-ray diffraction and synchrotron radiation micro-X-ray diffraction. Cu3As is the expected intermetallic a

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