tetramethylbenzidine or tmb inside of amber glass bottle

brown amber bottle reagent atom container science vial chemical chemistry solution package liquid biotechnology analyzing biomarker research scattered equipment laboratory transparent shape white background glass material cut close-up three dimensional molecular structure assay scientific procedure studio shot testing kit nanotechnology medical supplies physical cap labeling tetramethylbenzidine tmb enzyme-linked immunosorbent immunohistochemistry object sealed chromogenic substrate elisa buffers tetramethylbenzidine tmb brown glass amber close bottle reagent buffers elisa label packaging enzyme-linked immunosorbent assay isolated container analysis science vial white product solvent chemical chemistry cap storage 3d solution molecular package liquid biotechnology analyzing background test rendering biomarker research object scattered sealed chromogenic substrate equipment laboratory medical