The Spatial Ecology of Nuisance Crocodiles: Movement Patterns of Relocated American Crocodiles () in Guanacaste, Costa Rica.

Anthropogenic alterations of the environment have increased, highlighting the need for human-wildlife coexistence and conflict mitigation. Spatial ecology, and the use of passive satellite movement technology in particular, has been used to identify patterns in human-wildlife conflict as a function of shared resources that present potential for dangerous situations. Here, we aim to remotely identify patterns indicative of human-crocodile conflict in Guanacaste, Costa Rica by exploring site fidelity and diverse modes of movement (i.

CpTi(κBuNCNBu): A Complex with an Unusual κ Coordination Mode of a Heterocumulene Featuring a Free Carbene.

Although there are myriad binding modes of heterocumulenes to metal centers, the monometallic κ-ECE (E = O, S, NR) coordination mode has not been reported. Herein, the synthesis, isolation, and physical characterization of CpTi(κ-BuNCNBu) () (Cp = cyclopentadienyl, Bu = -butyl), a strained 4-membered metallacycle bearing a free carbene, is described. Computational (DFT, CASSCF, QT-AIM, ELF) and solid-state CP-MAS C NMR spectroscopic analysis indicate that is best described as a free carbene with partial Ti-C bonding that results from Ti-N π-bonding mixing with N-C-N σ-bonding of the bent N-C-N framework.

Carbodiimide Synthesis via Ti-Catalyzed Nitrene Transfer from Diazenes to Isocyanides.

Simple Ti imido halide complexes such as [BrTi(N Bu)py] are competent catalysts for the synthesis of unsymmetrical carbodiimides via Ti-catalyzed nitrene transfer from diazenes or azides to isocyanides. Both alkyl and aryl isocyanides are compatible with the reaction conditions, although product inhibition with sterically unencumbered substrates sometimes limits the yield when diazenes are employed as the oxidant. The reaction mechanism has been investigated both experimentally and computationally, wherein a key feature is that the product release is triggered by electron transfer from an -carbodiimide to a Ti-bound azobenzene.

The Stability of the Complex and the Basicity of the Anion Impact the Selectivity and Affinity of Tripodal Gadolinium Complexes for Anions.

The affinities and selectivities of lanthanide complexes with open coordination sites for anions vary considerably with the chelate. In order to determine the effect of the stability of a lanthanide complex on its affinity for anions, five different complexes featuring different bidentate chelating moieties were synthesized, and their affinity for anions in water at neutral pH were evaluated by longitudinal relaxometry measurements. The chelates comprise both oxygen and nitrogen donors including maltol, 1,2-hydroxypyridinone, hydroxamic acid, pyridin-2-ylmethanol, and carbamoylmethylphosphonate diester.

Burnout and stress amongst interns in Irish hospitals: contributing factors and potential solutions.

Background: The transition from medical school to internship can be daunting for newly qualified doctors. High rates of stress and burnout have been reported, with negative impacts on patient care and physician wellbeing.

Aims: We surveyed interns in our hospital group to evaluate rates of stress and burnout, as well as identify the causative factors and propose potential solutions to these.