How Stimulant Drugs May Calm Hyperactivity

Article Abstract:

Doctors typically prescribe a stimulant, such as Ritalin, to children diagnosed as hyperactive. Neuroscientists find this odd because the drugs increase the levels of dopamine, an activity producing neurotransmitter. A research team's report, however, suggests that the drugs work by increasing the levels of serotonin, a calming neurotransmitter.

Physiological aspects, Attention-deficit hyperactivity disorder, Attention deficit hyperactivity disorder, Serotonin

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DNA ordering on a lipid membrane

Article Abstract:

New techniques such as atomic force microscopy (AFM) and near-field optical microscopy are enabling theoreticians and molecular biologists to gain a clearer understanding of the structure of bioassemblies. This research could lead to the use of bioassemblies to deliver intact genetic material.

Research, Genetic vectors, Lipid membranes

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Lipid A: target for antibacterial drugs

Article Abstract:

Researchers have developed a new bacterial agent that targets lipid A of the bacterial outer membrane. The agent acts by inhibiting the synthesis of lipopolysaccharide, thus overcoming the impermeability of the bacteria.

Innovations, Antibacterial agents, Bacteria, Morphology (Biology), Gram-negative bacterial infections

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