Mendicants in London in the Reign of Richard II

Davis, Virginia

doi:10.1179/030580300792936258

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…Farms specialized in grain production must turn to commercially available fertilizers and/or organic soil amendments, which remain expensive (David et al 2005a) or rare. Consequently, the amount of fertilizer purchased did not entirely cover the needs of crops on stockless farms; nitrogen remains the main factor limiting organic agricultural productivity (Berry et al 2002;David et al 2005b;Aronsson et al 2007) on these farms. Livestock and mixed farms benefited from animal excreta during the grazing and recycling of organic matter produced by cattle.…”

Section: Nitrogenmentioning

confidence: 99%

Managing nutrient in organic farming system: reliance on livestock production for nutrient management of arable farmland

Foissy¹,

Vian

David

2013

Org. Agr.

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Section: Nitrogenmentioning

confidence: 99%

Managing nutrient in organic farming system: reliance on livestock production for nutrient management of arable farmland

Foissy¹,

Vian

David

2013

Org. Agr.

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“…η Carinae is a massive binary system that exhibits characteristics of a luminous blue variable (LBV; Damineli 1997; Davidson & Humphreys 1997). During the 1840s η Carinae went through the Great Eruption event that ejected a neutral, bipolar shell structure with intervening skirt called the Homunculus.…”

Section: Introductionmentioning

confidence: 99%

Scandium and chromium in the strontium filament in the Homunculus of η Carinae

Bautista

Ballance

Gull

et al. 2009

Monthly Notices of the Royal Astronomical Society

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We continue a systematic study of chemical abundances of the strontium filament found in the ejecta of η Carinae. To this end we interpret the emission spectrum of Sc ii and Cr ii using multilevel non‐local thermodynamic equilibrium models. Since the atomic data for these ions were previously unavailable, we carry out ab initio calculations of radiative transition rates and electron impact excitation rate coefficients. The observed spectrum is consistent with an electron density of the order of 107 cm−3 and a temperature between 6000 and 7000 K, conditions previously determined from [Ni ii], [Ti ii] and [Sr ii] diagnostics. The observed spectrum indicates an abundance of Sc relative to Ni more than 40 times the solar value, while the Cr/Ni abundance ratio is roughly solar. Various scenarios of depletion and dust destruction are suggested to explain such abnormal abundances.

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“…Das et al. suggests that high ion delivery rate during sputtering can lead to thermally dominated process of pore creation, although low ion delivery rate cause pore formation proportional to ion flux and sputter rate of target matter .…”

Section: Fabrication Of Solid‐state Nanoporesmentioning

confidence: 99%

Fabrication of solid‐state nanopores and its perspectives

et al. 2015

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Fabrication of solid-state nanopores and its perspectivesNanofluidics is becoming an extensively developing technique in the field of bioanalytical chemistry. Nanoscale hole embed in an insulating membrane is employed in a vast variety of sensing platforms and applications. Although, biological nanopores have several attractive characteristics, in this paper, we focused on the solid-state nanopores due to their advantages as high stability, possibility of diameter control, and ease of surface functionalizing. A detection method, based on the translocation of analyzed molecules through nanochannels under applied voltage bias and resistive pulse sensing, is well established. Nevertheless, it seems that the new detection methods like measuring of transverse electron tunneling using nanogap electrodes or optical detection can offer significant additional advantages. The aim of this review is not to cite all related articles, but highlight the steps, which in our opinion, meant important progresses in solid-state nanopore analysis. Keywords:Fabrication / Nanofluidics / Selectivity / Sensors / Solid-state nanopores / Surface charge DOI 10.1002/elps.201400612 IntroductionNanopore analysis is a young and rapidly developing discipline with incredibly versatile applications (Fig. 1A). Undoubtedly, it has the potential to considerably change the way we think about many fields of science-medicine, chemistry, and biology. It took inspiration from biological processes of molecular transport through nanoscale pores (nanopores) and utilizes this phenomenon as analytical tool. Nucleus and surface of living cells are covered with distinct types of pore-forming proteins. They mediate the transport in order to maintain cell functions. In late 70s, Sakmann and Neher patch-clamped single ion channel, one type of pore-forming membrane proteins, and for the first time they observed single channel conductance [1]. Although, their aim was to investigate cell physiology, two decades later these measurements created the basis of nanopore sensing. Second distinct group of pore-forming proteins is some bacterial exotoxins, which represents an extremely effective tool to lyse the cells. They are able to oligomerize in lipid membranes and create there a nongating permeable pore.Correspondence: Professor Rene Kizek, Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic E-Mail: kizek@sci.muni.cz Fax: +420-545-212-044Abbreviations: ALD, atomic layer deposition; EBID, electron beam-induced deposition; EBL, electron beam lithography; FIB, focused ion beam; SAM, self-assembled monolayer; SiNx, silicon-rich nitride; STM, scanning tunneling microscopy; TEM, transmission electron microscope Kasianowicz and coworkers were the first who used nanopores as a sensor [2]. They embedded a single ␣-hemolysin protein, secreted by Staphylococcus aureus (Fig. 1Ba), to a lipid bilayer and suggested that the individual nucleotides in polynucleotide chain passing through pore in electri...

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Mendicants in London in the Reign of Richard II

Cited by 3 publications

References 3 publications

Managing nutrient in organic farming system: reliance on livestock production for nutrient management of arable farmland

Managing nutrient in organic farming system: reliance on livestock production for nutrient management of arable farmland

Scandium and chromium in the strontium filament in the Homunculus of η Carinae

Fabrication of solid‐state nanopores and its perspectives

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