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881
Metal-Based Antibacterial and Antifungal Agents: Synthesis, Characterization, and In Vitro Biological Evaluation of Co(II), Cu(II), Ni(II), and Zn(II) Complexes with Amino Acid-Der...
Published 2006-01-01“…A series of antibacterial and antifungal amino acid-derived compounds and their cobalt(II), copper(II), nickel(II), and zinc(II) metal complexes have been synthesized and characterized by their elemental analyses, molar conductances, magnetic moments, and IR, and electronic spectral measurements. …”
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882
Study on application of green-synthesized ZnO and Si nanoparticles in enhancing aquaculture sediment quality
Published 2025-01-01“…Stabilizing heavy metals like chromium (Cr), copper (Cu), and zinc (Zn) is essential to reduce their bioavailability and risks. …”
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883
Heavy Metals in Water and Sediments and Their Impact on Water Quality in Andean Micro-watersheds: A Study of the Colorado and Alajua Rivers in the Ambato River Watershed, Tungurahu...
Published 2024-12-01“…For example, the Colorado River exhibited elevated levels of zinc (59-76 μg.L-1), copper (12-47 μg.L-1), lead (1.2-3.9 μg.L-1 ), iron (0.33-0.37 mg.L-1 ), and manganese (0.37-0.47 mg.L-1), while the Alajua River showed excess copper (11 μg.L-1), iron (0.61-0.72 mg.L-1), and manganese (0.62-0.98 mg.L-1). …”
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884
The degradation of highly stable oilfield pollutants by supported zero-valent transition metals in a dual-oxidation system
Published 2024-12-01“…To address these problems, a highly dispersed supported zero-valent copper catalyst(Cu0@LDHs) was obtained by loading transition metal copper onto hydrotalcite(LDHs) carriers by the impregnation-reduction method. …”
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885
General (hetero)polyaryl amine synthesis via multicomponent cycloaromatization of amines
Published 2025-01-01“…Copper(III)-acetylide species are involved in driving the exclusive 7-endo-dig cyclization, suppressing many side-reactions that are susceptible to occur. …”
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886
The book graphics of Vilnius printing houses in XVI-XVII centuries
Published 2024-08-01“…Kazimieras and consisted of 24 emblems (copper engravings) with lemmas expressing the virtue of the saint in one word, and a poem of 12 lines. …”
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887
A new scheme for boosting in situ Fenton-like reaction in plant pathogenic tissues for selective structural degradation of capsid proteins
Published 2025-02-01“…We designed a new Fenton-like reaction inducer, tCuinter-bCDs, which utilizes an internal doping strategy that reduces copper content by 89.89% compared to conventional doping methods, while still achieving a high coexistence of multivalent copper ions. …”
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888
Developmet the Complex Technology for Highly Concentrated Acid Solutions of Electroplating Industry
Published 2025-01-01“…The paper presents the results of research on the application of ion-exchange processes for the extraction of iron (II) and copper (II) ions from liquid acid wastes of electroplating production. …”
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889
Unveiling the Mineral and Sugar Richness of Moroccan Honeys: A Study of Botanical Origins and Quality Indicators
Published 2025-01-01“…This study comprehensively analyzes the mineral and heavy metal profiles of seven honey types, focusing on the contents of potassium (K), calcium (Ca), magnesium (Mg), iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), cadmium (Cd), and lead (Pb), with particular emphasis on honey produced in eastern Morocco. …”
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890
The Effects of LiO Doping on the Surface and Catalytic Properties of CuO/AlO Solids
Published 2000-11-01“…The amount of copper oxide in such solids was fixed at 13.5 wt% while the amounts of Li 2 O added varied between 0.19 wt% and 3.80 wt%. …”
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891
Study on Lesion Assessment of Cerebello-Thalamo-Cortical Network in Wilson’s Disease with Diffusion Tensor Imaging
Published 2017-01-01“…Wilson’s disease (WD) is a genetic disorder of copper metabolism with pathological copper accumulation in the brain and any other tissues. …”
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892
Physicochemical Characterization of Mining Waste from the Betare-Oya Gold Area (East Cameroon) and an Adsorption Test by Sabga Smectite (North-West Cameroon)
Published 2020-01-01“…This clay has a good potential adsorption of lead, zinc, manganese, and copper. However, the operating conditions favored desorption of iron.…”
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893
Prediction of Metal Ion Binding Sites in Proteins from Amino Acid Sequences by Using Simplified Amino Acid Alphabets and Random Forest Model
Published 2017-12-01“…In this study, random forest machine learning prediction systems were deployed with simplified amino acid for prediction of individual major metal ion binding sites like copper, calcium, cobalt, iron, magnesium, manganese, nickel, and zinc.…”
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894
Svědectví „starých obrazů“: kulturní krajina ideální a reálná
Published 2023-07-01“…This is true for 15th-century murals, 17th-century copper engravings, and 19th-century lithographs. The present article, despite (unavoidably) being based on a series of micro-examinations delineated by time, territory, and relations to individuals, families, or institutions, takes on the characteristics of an aggregated work. …”
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895
Eddy Current Field Analysis for Permanent Magnetic Governor
Published 2015-01-01“…As a new adjustable speed and energy conservation equipment,permanent magnetic governor is installed between motor and loads,using the magnetic circuit coupling principle,the speed control is realized through adjust air coupling area.Firstly,combined with the correlation theory of electromagnetic,the mathematical model of transient eddy current field is built.Then the static analysis of permanent magnetic governor is carried out,the static copper rotor flux distribution and magnetic induction intensity are obtained.Finally,through the finite element simulation of motion eddy current,the eddy current field formation mechanism and some factors affecting on eddy current field are analyzed,a theoretical basis for the bearing capacity of the permanent magnetic governor is provided.…”
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896
La Montagne et la Manière Noire
Published 2008-05-01“…The mezzotint technique, based on the progressive introduction of light on a copper plate which has been uniformly blackened, can be seen as a powerful metaphor of Gothic writing, because of its insistence on the dark side of people and nature, on "mountain gloom" and "mountain glory"…”
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897
Trace Element Supplementation of Livestock in New Zealand: Meeting the Challenges of Free-Range Grazing Systems
Published 2012-01-01“…In New Zealand, where the majority of sheep, cattle, and deer graze pasture year round, inadequate intake of cobalt, copper, iodine and selenium is prevalent. Scientists and farmers have developed efficient strategies to monitor and treat these dietary deficiencies. …”
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898
Vibrational Heat Transfer Intensification in an Annulus with a Deformable Boundary
Published 2019-01-01“…The inner boundary is formed by a copper rod that is heated using electric current. …”
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899
MICROSTRUCTURE AND PROPERTIES OF THE CU/CNTS COMPOSITE MATERIAL
Published 2017-01-01“…The results show that CNTs distributed uniformly along the grain boundary in copper matrix and the CNTs-Cu interface with a certain binding force is formed and the conductivity、hardness、tensile strength are 82. 8% IACS、96. 4 HV、417 MPa,and the hardness as well as tensile strength are maximum when the percent of Cu/CNTs powder is 20%.…”
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900
Molecular Species Disturbing the Fluid–Solid Phase Transition of Nitrogen Adsorbed on Graphite: Importance of Aromaticity
Published 2000-09-01“…The fluid–solid (FS) phase transition of N 2 adsorbed on graphite is known to be depressed abnormally by conjugated coplanar molecules such as benzene and copper phthalocyanine. This paper describes an investigation of the influence of a non-aromatic conjugated species (1,3-butadiene), a non-aromatic cation acceptor (18-crown-6), a strong electron donor (tetrathiafulvalene) and a strong electron acceptor (tetracyanoquinodimethane) on the FS phase transition of N 2 , when they were preplated on graphite. …”
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