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Nitrogenase is the only enzyme that can cleave the strong triple bond in N2, making nitrogen available for biological life. There are three isozymes of nitrogenase, differing in the composition of the active site, viz., Mo, V, and Fe-nitrogenase. Recently, the first crystal structure of Fe-nitrogenase was presented. We have performed the first combined quantum mechanical and molecular mechanical (
En systematisk genomgång av internationella vetenskapliga studier inom tvångsvård av personer med beroende.
This article analyses the competence shift in EU competition law, with a particular focus on the digital era and the EU’s institutional dimension. As will be argued, the latter is expanding by means of new legislation in the Digital Single Market. Particularly Article 114 TFEU is employed as a legal base for this purpose, which essentially harmonises and pre-empts Member States’ action in this are
While the role of grandparents has increasingly been explored, the position of being a grandchild is under-researched. Recognising the active role of children in intergenerational care relationships, we analyse narratives of being a grandchild in Sweden in the 1940s–1950s, the 1970s–1980s, and today. Interviews with 63 participants of both genders show how conditions for care-doings change in resp
En studie av hur föreställningsförmågan, det inre seendet, uppmuntrades av några Vadstena-predikanter på 1400-talet. Framför allt tar artikeln upp en predikan över den Apostoliska trosbekännelsen, vilken kopplas samman med ädelstenarna i den Heliga Stadens grundmurar i Uppenbarelseboken. Artikelförfattaren gör en koppling till ett unikt smycke, det s k Motalaspännet.
Research on gender-fair language aims to identify language inclusive to a multitude of individuals, for example, increasing the visibility of women by using paired pronouns (he/she) instead of generic masculine forms (he). However, binary presentations like he/she might come with unwanted side effects and evoke what we label as normative gender bias. A normative gender bias is defined as when word
Presented are the first measurements of the transverse single-spin asymmetries (AN) for neutral pions and eta mesons in p+Au and p+Al collisions at sNN=200 GeV in the pseudorapidity range |η|
In ultraperipheral collisions (UPCs) of relativistic nuclei without overlap of nuclear densities, the two nuclei are excited by the Lorentz-contracted Coulomb fields of their collision partners. In these UPCs, the typical nuclear excitation energy is below a few tens of MeV, and a small number of nucleons are emitted in electromagnetic dissociation (EMD) of primary nuclei, in contrast to complete
This paper reports a search for Higgs boson pair (hh) production in association with a vector boson (WorZ) using 139 fb - 1 of proton–proton collision data at s=13TeV recorded with the ATLAS detector at the Large Hadron Collider. The search is performed in final states in which the vector boson decays leptonically (W→ℓν,Z→ℓℓ,νν with ℓ= e, μ) and the Higgs bosons each decay into a pair of b-quarks.
The production of π ±, K±, and (p ¯) p is measured in pp collisions at s = 13 TeV in different topological regions of the events. Particle transverse momentum (p T) spectra are measured in the “toward”, “transverse”, and “away” angular regions defined with respect to the direction of the leading particle in the event. While the toward and away regions contain the fragmentation products of the near
The first measurement of the e+e− pair production at low lepton pair transverse momentum (p T,ee) and low invariant mass (m ee) in non-central Pb–Pb collisions at sNN = 5.02 TeV at the LHC is presented. The dielectron production is studied with the ALICE detector at midrapidity (|η e | < 0.8) as a function of invariant mass (0.4 ≤ m ee < 2.7 GeV/c 2) in the 50–70% and 70–90% centrality classes for
Background:Colorectal cancer in the third most diagnosed cancer in Sweden and the second most common cause of cancer-related death in Sweden and worldwide. 10-30% of the cases present as emergencies, of which 80% are caused by large bowel obstruction (LBO). Most of these patients undergo emergency resection which is associated with high rates of morbidity and mortality. To overcome the risk with e
The direct integration of 1D magnetic nanostructures into electronic circuits is crucial for realizing their great potential as components in magnetic storage, logical devices, and spintronic applications. Here, we present a novel template-free technique for producing magnetic nanochains and nanowires using directed self-assembly of gas-phase-generated metallic nanoparticles. The 1D nanostructures
The Toulmin model is reminiscent of the classical argument structure called theepicheireme. Upon closer inspection they turn out to be fundamentally different.For the contemporary argumentation analyst or rhetorical critic, both structures are burdened with drawbacks. The Toulmin model suffers from unclarity regarding definitions of its elements and the epicheireme from divergent traditions in cla
While never a numerically significant religion, the idea of Satanism is intimately intertwined with a number of broader issues relevant for the study of religion and culture. The notion of devil-worshipping cults has been a surprisingly stable element of conspiracy theories, historically as well as in the present, and accusations of being in league with demonic forces is a recurring motif in relig
This chapter studies Aleister Crowley’s undated poem “Hymn to Lucifer” and an extract from The Book of Thoth (1944), which deals with the tarot card The Devil. “Hymn to Lucifer” alludes to the state of humankind in the Garden of Eden before the fall, a condition that is described in negative terms and portrayed as restrictive and stagnant. Even if it happens at the price of death, the Devil repres
This paper explores the potential of blockchain technology (BCT) in promoting sustainable food production and consumption (SFPC) from a consumer perspective. India, a significant global food producer, faces challenges related to affordability and food logistics due to transport and labour constraints. Food safety concerns, i.e., foodborne illnesses and quality issues, alongside unexpected events l
