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Biomedical subjects

Gail McConnell

Publications and source records attributed to Gail McConnell.

5 recordsLinked to original sources

Enzyme responsive polymer hydrogel beads.

We report on a new class of enzyme responsive polymer hydrogels, the molecular accessibility of which can be changed selectively by enzymes present in a sample fluid.

Enzymes↗

Photonic crystal fibre enables short-wavelength two-photon laser scanning fluorescence microscopy with fura-2.

We report on a novel and compact reliable laser source capable of short-wavelength two-photon laser scanning fluorescence microscopy based on soliton self-frequency shift effects in photonic crystal fibre. We demonstrate the function of the system by performing two-photon microscopy of smooth muscle cells and cardiac myocytes from the rat pulmonary vein and Chinese hamster ovary cells loaded with the fluorescent calcium indicator fura-2/AM.

Animals↗

Two-photon laser scanning fluorescence microscopy using photonic crystal fiber.

We report the application of a simple yet powerful modular pulse compression system based on photonic crystal fibers that improves on incumbent two-photon laser scanning fluorescence microscopy techniques. This system provides more than a sevenfold increase in fluorescence yield when compared with a commercial two-photon microscopy system. From this, we infer pulses of IR radiation of less than 35 fs duration reaching the sample.

Animals↗