Seven thousand years in the service of humanity—the history of copper, the red metal

Radetzki, Marian

doi:10.1016/j.resourpol.2009.03.003

Cited by 87 publications

(51 citation statements)

References 7 publications

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“…At the turn of 20th century, copper began to be used in applications within the service activities. 91 Since then, copper has been important in research because of its role in living organisms. A copper deficiency in the human body can lead to anemia and improper fetal development during pregnancy.…”

Section: Copper Nanomaterialsmentioning

confidence: 99%

Antibacterial properties and toxicity from metallic nanomaterials

Vimbela¹,

Ngo²,

Fraze³

et al. 2017

IJN

532

334

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The era of antibiotic resistance is a cause of increasing concern as bacteria continue to develop adaptive countermeasures against current antibiotics at an alarming rate. In recent years, studies have reported nanoparticles as a promising alternative to antibacterial reagents because of their exhibited antibacterial activity in several biomedical applications, including drug and gene delivery, tissue engineering, and imaging. Moreover, nanomaterial research has led to reports of a possible relationship between the morphological characteristics of a nanomaterial and the magnitude of its delivered toxicity. However, conventional synthesis of nanoparticles requires harsh chemicals and costly energy consumption. Additionally, the exact relationship between toxicity and morphology of nanomaterials has not been well established. Here, we review the recent advancements in synthesis techniques for silver, gold, copper, titanium, zinc oxide, and magnesium oxide nanomaterials and composites, with a focus on the toxicity exhibited by nanomaterials of multidimensions. This article highlights the benefits of selecting each material or metal-based composite for certain applications while also addressing possible setbacks and the toxic effects of the nanomaterials on the environment.

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Section: Copper Nanomaterialsmentioning

confidence: 99%

Antibacterial properties and toxicity from metallic nanomaterials

Vimbela¹,

Ngo²,

Fraze³

et al. 2017

IJN

532

334

View full text Add to dashboard Cite

show abstract

“…On the one hand, strong positive "supply shocks" followed the sharp increases in production capacity during the First World War owing to improved mining technology (Radetzki, 2009) Geological Survey, 2011a). On the other hand, there were strong positive "other demand shocks" that put upward pressure on the price of copper owing to the build-up of inventories and price manipulations by two cartels: the Copper Export Association in the early 1920s and later by the Copper Exporters Inc. (Herfindahl, 1959, pp.…”

Section: Insert Figure 4 About Herementioning

confidence: 99%

150 Years of Boom and Bust: What Drives Mineral Commodity Prices?

Stuermer

2016

Macroecon. Dynam.

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My paper is the first to provide long-run evidence on the dynamic effects of supply and demand shocks on mineral commodity prices. I assemble and analyze a new data set of prices and production levels of copper, lead, tin, zinc, and crude oil from 1840 to 2010.Price fluctuations are primarily driven by demand rather than supply shocks. Demand shocks affect the price persistently for up to 15 years, whereas the effect of supply shocks persists for a maximum of 5 years. My paper shows that price surges caused by rapid industrialization are a recurrent phenomenon throughout history. Mineral commodity prices return to their declining or stable trends in the long run.JEL classification: E30, Q31, Q33, N50

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“…For example, Radetzki (2009) describes how technological change has gradually made possible the extraction of copper from deposits of decreasing grades. 7000 years ago, human beings used copper in a pure nugget form.…”

Section: Technological Change In the Extractive Sectormentioning

confidence: 99%

Non-Renewable Resources, Extraction Technology, and Endogenous Growth

Stuermer

Schwerhoff

2015

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We add an extractive sector to an endogenous growth model of expanding varieties and directed technological change. Firms increase their economically extractable stocks of non-renewable resources through R&D investment in extraction technology and reduce their stocks through extraction. We show how the geological distribution of the non-renewable resource interacts with technological change. Our model accommodates long-term trends in non-renewable resource markets -namely stable prices and exponentially increasing extractionfor which we present data going back to 1792. The model suggests that over the long term, development of new extraction technologies neutralizes the increasing demand for non-renewable resources in industrializing countries such as China.JEL classification: O30, O41, Q30

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Seven thousand years in the service of humanity—the history of copper, the red metal

Cited by 87 publications

References 7 publications

Antibacterial properties and toxicity from metallic nanomaterials

Antibacterial properties and toxicity from metallic nanomaterials

150 Years of Boom and Bust: What Drives Mineral Commodity Prices?

Non-Renewable Resources, Extraction Technology, and Endogenous Growth

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