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Publications related to Chemicals (10,000)
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Poster
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10 th Zeolite Conference of Iranian Chemical Society, Arak,Iran
Technical Report
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Thünen Project brief: Per-und polyfluorierte Alkylsubstanzen (PFAS) sind eine Gruppe von anthropogenen Chemikalien, die in einer Vielzahl indus-trieller und kommerzieller Anwendungen weit verbreitet sind. Diese Substanzen sind extrem persistent, bioakkumulativ und potenziell toxisch, was zu Umwelt-und Gesundheitsproblemen führen kann. PFAS werden d...
Article
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Lactic corrosive is an natural corrosive delivered by means of aging. The IUPAC title of lactic corrosive is 2-Hydroxypropanoic corrosive with a atomic equation of CH3CHCOOH. It is utilized as a additive and acidulant in nourishment items, and as an middle within the fabricate of other chemicals.
Article
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A robotic platform was employed to search the synthetic conditions for the assembly Molybdenum Blue (MB) polyoxometalates a large chemical space that included concentrations of reactants including amino acid ligands,...
Article
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An efficient iodine-catalyzed thio-arylation reaction of aniline was developed under electrochemical conditions. A variety of diaryl sulfide compounds can be obtained under metal-free and chemical oxidant-free conditions. The reaction features a broad substrate scope, regulation of product distribution, and scalable preparation.
Article
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Zehneria scabra is a perennial climbing herb used by Ethiopian traditional medicine practitioners. The study aimed to detect phytochemicals, assess antibacterial activities, and analyse the chemical constituents of its leaf extract using GC–MS and FTIR techniques. Phytochemical analysis revealed terpenoids, alkaloids, flavonoids, phenols, tannins,...
Article
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The reaction conditions in industrial scale chemical reactors can differ markedly from the ones in a small laboratory scale reactor. The differences are both conceptual and practical, and can at...
Article
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An Erratum to this paper has been published: https://doi.org/10.1134/S106193482501006X
Article
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A large share of organic gaseous air pollutants from emerging sources, such as Volatile Chemical Products (VCPs), originates indoors, making buildings potential urban emission sources to outdoor air. This study...
Article
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El glicerol se puede obtener a partir en los procesos de producción de biodiésel, en constante aumento. Como ejemplo, la producción mundial de biodiésel en 2021 generó más de 4.5 billones de litros de glicerol. Debido al exceso en el volumen de glicerol producido, se le ha llegado a considerar como un inconveniente financiero y medioambiental para...
Article
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Impacts de l’usage des produits chimiques sur la santé humaine et l’environnement en milieu rural : cas de Diannah et de Kabadio (région de Ziguinchor/Sénégal)
Preprint
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The Chippewa River Basin is heavily polluted. The idea is to look at various hotspots for pollutants to show where more effective pollutant strategies are needed to cut the amount of pollutants.
Presentation
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Chemical and Photochemical reactions in the atmosphere
Cover Page
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Certificate of Reviewing in Case Studies in Chemical and Environmental Engineering (Scopus Q1; Elsevier)
Article
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Due to the tunable catalytic activity, high chemical stability, and favorable electronic structure, noble metal-based nanozymes that can mimic important biocatalytic processes have attracted great attention. Rational structure design of...
Article
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The challenge of determining the health risks of low-dose chemical exposures Rebecca J. Wilson and Pamela J. Lein, explore whether the dose makes the poison or not. Here, they discuss the challenges of determining health risks associated with low-dose chemical exposures. Nearly 500 years ago, Swiss physician and chemist Paracelsus originally expres...
Article
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Antimonene (Sb) is an emerging two-dimensional material belonging to group VA that has shown excellent chemical and physical properties with applications in optoelectronics, energy, catalysis, and biomedical sciences. However, the...
Article
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Herbs, used as food and a source of medicine for centuries, have been extensively studied over time for their chemical and pharmacological properties, with two main aims [...]
Article
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We recommend that even in old patients with severe COPD, who could not tolerate chemical pleurodesis, pleurodesis with 50% dextrose should be considered since it is a relatively safe and efficient method.
Article
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this article describes a mathematical model of third party effectiveness as intermediary in a conflict situation, by virtue of chemical analogy
Article
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This paper introduces the Kuffi-Issa Transform (KIT), a new mathematical technique developed to deal with problems in chemistry, health, physics, and other sciences. To test the validity of this transform, three chemical and health examples are presented. The results show that this transform is a powerful tool for solving differential equations enc...
Article
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Este trabalho aborda a Indústria 4.0 no contexto da Engenharia Química, realizando uma análise bibliométrica de artigos com palavras-chave como “Artificial Intelligence”, “Automation”, “Chemical engineering”, “Internet of Things” e “Machine Learning”. A metodologia envolve revisão bibliográfica do período de 2014 a 2022, e demonstra um crescimento...
Article
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This study offers atomistic insights into the adsorption of per- and polyfluoroalkyl substances (PFAS) on graphene, highlighting how the stability of adsorbed PFAS is influenced by fluoroalkyl chain length, headgroup characteristic, and pH condition.
Article
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В роботі визначені показники якості питної води (твердість загальна, лужність гідрокарбонатна, вміст йонів Кальцію, йонів Магнію, хлорид-йонів, йонів амонію, йонів Fe2+ та Fe3+), показник кислотності - рН) системи централізованого водопостачання міста Чернігова. Одержані результати порівняно з нормативними значеннями відповідних показників, наведен...
Article
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Correction for ‘Hollow Au nanoparticles for single-molecule Raman spectroscopy via a synergistic electromagnetic and chemical enhancement strategy’ by Zihan Gao et al. , Nanoscale , 2025, https://doi.org/10.1039/d4nr05311g.
Preprint
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Ammonia is a very important raw material in inorganic chemistry and industrial production and is widely used in many fields. Here are a few key reasons:
Article
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Plastic materials contain hazardous chemicals, including additives like flame retardants, antioxidants, stabilizers, and metals, which can leach into the environment and impact aquatic life. This study is the first to evaluate the toxicity of leachates derived from car tyre granulates (CTG) and PET bottles (PET) on haemocytes of the mussel Mytil...
Article
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The total σ -irregularity is given by σ t ( G ) = ∑ { u , v } ⊆ V ( G ) ( d G ( u ) − d G ( v ) ) 2 , where d G ( z ) indicates the degree of a vertex z within the graph G. It is known that the graphs maximizing σ t -irregularity are split graphs with only a few distinct degrees. Since one might typically expect that graphs with as many distinc...
Article
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Nitration of 6-R-4-phenylpyrazolo[3,4- d ][1,2,3]triazoles at the phenyl substituent is accompanied by the triazole ring opening to give new 3-R-4-diazo-1-(di)nitrophenylpyrazole- 5-nitrimines. Chemical and physicochemical properties of the prepared compounds are reported.
Preprint
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I report the discovery of jacquetium ($_0$Jq), the first naturally occurring element found since more than 80 years.
Article
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Вступ. Ризики застосування бойових отруйних речовин наразі постають дуже гостро внаслідок тривалої збройної агресії російської федерації проти України. Бойові отруйні речовини були вперше застосовані під час Першої світової війни. Німецька армія у вересні 1914 р., знехтувавши угодами Гаазьких конференцій 1899 та 1907 рр., залучила до бойових дій ар...
Article
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Резюме. Початок 2000-х років характеризується стрімким поширенням нелегальних синтетичних опіоїдів, токсичні властивості яких близькі до хімічної зброї. Мета: Аналіз потенційних загроз, пов’язаних зі спробами використання синтетичних опіоїдів в якості хімічної зброї, диверсійних спецзасобів та терористичних засобів; огляд сучасних підходів до створ...
Article
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Limbah cair industri bahan additive pada chemical construction berasal dari proses pencucian peralatan produksi, yang dapat berpotensi menurunkan kualitas air dan lingkungan apabila tidak diolah secara khusus. Komposisi utama limbah cair ini adalah garam lignosulfonat dan polikarboksilat eter, berwarrna coklat pekat dan berbau kurang sedap. Penelit...
Chapter
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The cabin near which we initially landed on Ritničohkka and which had decided to make our base came to mediate our perceptions of and relationswith Ritničohkka in important ways. There were two cabins on top of Ritničohkka: the first a living quarters and the second a large shed, housing firewood and assorted chemical containers and machinery. Once...
Article
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In this paper we present the mathematical proof of the solution of the Bessel equation applied to heat transfer for adiabatic extended surfaces. Although the final expression is of common use in engineering such as chemical, mechanical and related engineering, its obtaining from the analysis of the Bessel solution is not easy to find. The solution...
Article
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Protein-derived cofactors, formed through posttranslational modification of a single amino acid or covalent crosslinking of amino acid side chains, represent a rapidly expanding class of catalytic moieties that redefine enzyme functionality.
Poster
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Bottom Line Up Front (BLUF): The PETS (PFAS Effluent Treatment System) is a mobile treatment system that has been proven to effectively treat PFAS accumulations in water effluent, thereby reducing human exposure to forever chemicals. The systems are adaptable to a wide range of military applications, including combat command applications.
Article
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Bioactive compounds, natural chemicals found in foods, herbs, and other natural sources, have attracted significant attention for their potential to influence health and fight disease [...]
Article
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We introduce a novel orbit superposition method designed to reconstruct the stellar density structure, kinematics, and chemical abundance distribution of the entire Milky Way by leveraging 6D phase-space information from its resolved stellar populations, limited by the spatial coverage of APOGEE DR17.
Article
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Bundling for nourishment and refreshments gives assurance, alter resistance, and specific physical, chemical, or natural necessities. Moreover, nourishment bundling advances nourishment nourishment, guarantees convenient and reliable nourishment conveyance all through the esteem chain, and brings down post-harvest misfortunes.
Article
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Betaine may be a unbiased item. Its chemical formula is C5H11NO2, and it may be a safe and steady component that exists in creatures, plants and microorganisms. Betaine normally exists in spinach, bran, beets, and oceanic creatures.
Research Proposal
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Extracellular vesicles (EVs) are the basis of cell-to-cell communication within tissues and between primitive cells such as bacteria. Therefore, their study is essential to understanding the complex nature of intercellular communication and the many biological processes that occur. This report provides a comprehensive overview of the subject and so...
Presentation
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Extracellular vesicles (EVs) are the basis of cell-to-cell communication within tissues and between primitive cells such as bacteria. Therefore, their study is essential to understanding the complex nature of intercellular communication and the many biological processes that occur. This report provides a comprehensive overview of the subject and so...
Article
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The tactile flavor sensations of coffee are an important indicator of product quality, yet the stimuli contributing to these percepts remain insufficiently defined. In the present work, compounds that contribute...
Article
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Instead of computing magnetically induced current densities (MICD) via the wave function and their quantum mechanical definition, one can also use the differential form of the Ampère-Maxwell law to obtain...
Article
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The primary challenge for the commercialization of hybrid perovskite solar cells (PSCs) is their chemical and thermal instability as compared to Si devices. Herein, we demonstrate that PSCs spray-coated with polystyrene retain 80% of their efficiency after 40 hours immersed in water or at 95 °C.
Article
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O uso de canabinoides sintéticos, conhecidos como "droga zumbi", “spice” ou "K9", tem aumentado significativamente, especialmente em São Paulo, Brasil. Esses produtos químicos são muito mais potentes que a maconha e se espalharam globalmente desde o início dos anos 2000. O presente estudo trata-se de um estudo ecológico temporal com revisão de lite...
Conference Paper
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Acidic zeolites are widely used in the chemical and petroleum industry because of their catalytic activity, remarkable reaction selectivity, and excellent chemical and thermal stability. In this paper, data on the structural properties of the acid treated natural zeolitic tuff are presented.
Article
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Jabon (Anthocephalus spp.) is a fast-growing species with considerable potential for pulp and paper production in Indonesia. This study aims to determine the chemical component in wood and bark of 10-year-old Anthocephalus cadamba (families 23, 11, and 6) and 5-year-old Anthocephalus macrophyllus (families 75, 85, and 2) in the bottom part of the t...
Article
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In this study, the ternary alloying effects on chemical ordering and structural properties of CoPt@Ag nanoalloys were investigated. The optimization of the chemical ordering was performed for icosahedral (Ih) structures with 309 and 561 atoms, and truncated octahedral (TO) structures with 314 and 586 atoms, as they compete in size. The results show...
Article
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Reversible addition−fragmentation chain-transfer (RAFT) depolymerization represents an attractive and low-temperature chemical recycling methodology enabling the near-quantitative regeneration of pristine monomer. Yet, several mechanistic aspects of the process remain elusive. Herein,...
Article
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The principal structural polysaccharide in insects is chitin. Is present chemically as �-, �- and �-chitin and the chains orientation is their basic characteristic, but the chitin composition in haematophagous insects is unknown. Due that, the aim of the work was the identification of chitin in bug’s transmitters of Chagas Disease
Article
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A series of twelve compounds from the family of 2,4,6-triarylpyridinium (TAPY) cations have been synthesized, chemically characterized (1H, 13C NMR, HRMS), and microbiologically evaluated (MIC determination against S. aureus, E....
Article
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Direct CO2 hydrogenation to valuable chemicals and fuels is a promising pathway for the valorization of detrimental CO2. This study delves into the mechanistic insights of CO2 hydrogenation to formate...
Article
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The ubiquity of N-heterocyclic carbenes (NHCs) in diverse areas of chemical research typically arises from their potent stabilising capabilities and role as innocent spectators to stabilise otherwise non-bottleable compounds and complexes. This has, until now, been particularly true for NHC-stabilised stannylenes, with no exceptions reported thus f...
Article
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This paper provides a comprehensive review of the current work on dye-sensitized solar cells (DSSCs) employing a metal oxide/nanostructure carbonaceous material (MO/NCM) heterostructure as its photoanode. The MO/NCM heterostructure was prepared using various techniques, namely, physical and chemical methods. The preparation technique, its propertie...
Article
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The announcement of 2024 Nobel Prize in Chemistry to Alphafold has reiterated the role of AI in biology and mainly in the domain of “drug discovery”. Till few years ago, structure-based drug design (SBDD) has been the preferred experimental design in many academic and pharmaceutical R and D divisions for developing novel therapeutics. However, with...
Article
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It is shown that molar and ionic volumes are linearly related for compounds AB2O4 in the spinel-, calcium-ferrate, -titanate, and -manganate structure types at ambient and at high pressure. These relations quantify the concept of ‘chemical pressure’ by relating it to thermodynamic pressure.
Article
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Makala haya yanahusu uchanganuzi wa namna anthroposenia inavyodhihirika katika riwaya mbili za Emmanuel Mbogo: Bustani ya Edeni na Vipuli vya Figo kwa kujikita katika misukumo ya tamaa na ulofa. Kusudi la makala haya, ni kujadili mchango wa binadamu katika kukuza anthroposenia kupitia tamaa na ulofa. Mtindo wa uchambuzi wa maandishi ya fasihi ulitu...