Time-resolved endogenous chlorophyll fluorescence sensitivity to pH: study on Chlorella sp. algae.

To better understand pH-dependence of endogenous fluorescence of algae, we employed spectroscopy and microscopy methods, including advanced time-resolved fluorescence imaging microscopy (FLIM), using green algae Chlorella sp. as a model system. Absorption spectra confirmed two peaks, at 400-420 nm and 670 nm.

Memory outcome after hippocampus sparing resections in the temporal lobe.

Background And Objective: Epilepsy surgery within the temporal lobe of the language dominant hemisphere bears the risk of postoperative verbal memory decline. As surgical procedures have become more tailored, the question has arisen, which type of resection within the temporal lobe is more favourable for memory outcome. Since the hippocampus (HC) is known to play an essential role for long-term memory, we examined whether HC sparing resections help to preserve verbal memory functions.

[Medical students' attitudes towards tobacco smoking at the first and sixth year of their studies 2002-2008].

Introduction: Smoking habit among medical students indicates that studying of medicine does not sufficiently protect from tobacco use. The aim of the study was an analysis of medical students' attitudes towards smoking during at the first and sixth year of their studies.

Material And Methods: A questionnaire on tobacco smoking was distributed among medical students of the study year 2002-2008 at the first and sixth year of their studies.

[Tobacco smoking among the first-year medical students].

Unlabelled: The studies have shown that despite studying medicine the rate of tobacco smokers among students is still high. Moreover, in Poland the incidence of smoking is increasing among the youngsters. The study was designed to assess the rate of smokers among the first-year students of two consecutive courses at the Medical University of Gdańsk and define their attitudes towards tobacco smoking.

Inhibition of NF-kappaB potentiates amyloid beta-mediated neuronal apoptosis.

One mechanism leading to neurodegeneration during Alzheimer's disease (AD) is amyloid beta peptide (Abeta) neurotoxicity. Abeta elicits in cultured central nervous system neurons a biphasic response: a low-dose neurotrophic response and a high-dose neurotoxic response. Previously we reported that NF-kappaB is activated by low doses of Abeta only.