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Researchers reconstituting lyophilized peptides or hormones for extended studies must use bacteriostatic water, not sterile water, when the vial will be accessed more than once
Presented for research literature review only Kirk JE (1974)
Pick an Injection Site: Use the abdomen (at least 2 inches from the belly button), thigh, or upper arm
Additionally, elevated extracellular Ca 2+ and K + levels, either from neuronal activities or astrocytic end-feet, can activate Ca 2+ -gated K + channels, leading to intracellular K + efflux
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