Vibronic Splitting of the Electronic Origin in Two Conformers of the 3-Tolunitrile Dimer.

3-tolunitrile (3-TN) can form three different dimers, which differ in the relative orientation of the methyl groups. We determined the geometry changes of two of these conformers of 3-TN upon electronic excitation via a Franck-Condon fit of the vibronic intensities in the fluorescence emission spectra. Both aromatic rings expand upon electronic excitation, showing a delocalized one-photon excitation of the cluster.

Importance of artificial high flows in maintaining the ecological integrity of a regulated river.

Artificial high flows attempt to simulate natural flood pulses in flow-regulated rivers with the intent to improve their ecological integrity. The long-term use of such high flow events have shown beneficial ecological effects on various rivers globally. However, such responses are often non-linear and characterized by underlying feedback mechanisms among ecosystem components.

Risk Factors of Patients With Diarrhea for Having Infection.

Nosocomial infections with have become an emergent health threat. We sought to define risk factors for a infection (CDI) beyond the widely known ones, such as antibiotic use and prior hospital stay. We therefore focused on a group of patients with diarrhea in order to identify risk factors for infection among this symptomatic cohort.

[Antibiotic Stewardship - From Bench to Bedside].

The article explains the practical implementation of Antibiotic Stewardship (ABS) in the clinic. With increasing prevalence of resistant bacteria, the medical profession is challenged to critically question and reduce antibiotic prescriptions. ABS programs are designed to support this.