Silver colloids impregnating or coating bacteria

Article Abstract:

A study was conducted to prepare silver nanocolloids selectively within and on Escherichia coli bacteria. The bacterial length from the electron migraphics averaged about 2 microns. Experimental results indicated a significant enrichment of the cells by silver compared against the ambient solution from which the silver was determined. Findings also showed that a number of major bands were associated with amino acids.

Escherichia coli, Nanotechnology, Colloids

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Photoactivation of the photosynthetic reaction center of Blastochloris viridis in the crystalline state

Article Abstract:

Photoactivation in crystals of the bacterial reaction center of Blastochloris virdis was investigated by near infrared spectroscopy. The overall extent of ophotoactivation was 50%, which demonstrates that the time-resolved crystaliogrpahic method can be applied to the optically dense reaction center crystals.

Science & research, Analysis, Near infrared spectroscopy

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Flash photolysis of sensitizers in microbes

Article Abstract:

A new study investigates the occurrence of sensitizer triplet states, radical ions, and singlet oxygen in suspensions of various cell types.

Case studies, Photochemical research, Chemistry, Physical and theoretical, Physical chemistry

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