Are you targeting topical applications for skin models, or are you investigating systemic effects
Hold the syringe like a dart, rest the needle against the skin at 90 (right angles) to the skin, push hard, bit harder, until suddenly the needle slides through
Blood Rev (2007) 21(2):99111
Vitamin B12 also may be involved in maintaining sulfhydryl (SH) groups in the reduced form required by many SH-activated enzyme systems
For the two samples, the severity of the subcutaneous tissue necrosis, inflammatory cell infiltration and haemorrhage distribution was assessed by a trained toxicopathologist using a light microscope and scored on a numerical scale, where code 1 reflects no abnormality and code 3 reflects mild severity: 1 , no abnormality 2, minimal severity 3, mild severity Table 22 Severity scores 24 hours post subcutaneous injections of subcutaneous tissue necrosis, inflammatory cell infiltration and haemorrhage distribution for co-formulation vehicles containing three types of tonicity agents Concluding Remarks The data presented in table 22 show that, overall, sorbitol was the tonicity agent that resulted in the least severe necrosis, inflammatory cell infiltration and haemorrhage
