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A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
Anthracene molecule. It is polycyclic aromatic hydrocarbon PAH. Molecular model. 3D rendering. Illustration
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
Melatonin is a hormone, released primarily by the pineal gland, that regulates the sleep–wake cycle. 3D ball-and-stick model, white background
Macro cubical pyrite on white matrix isolated on gray background
Early stage, two days, fertilized human eggs before transfer to the woman in an IVF procedure.
apatite from Imilchil, Morocco isolated on white background
Fragment of uranium or yellow cake
Tafamidis is a medication used to delay loss of peripheral nerve function in adults with familial amyloid polyneuropathy. 3d illustration
plant Zea Stem C.S. under light mircoscope with white background
Phenol in old glass bottle on a sheet of paper with chemical formulae (selective focus)
Pegmatite rock close up with many crystals.
Big natural stone green amber on white background
Crystal raw ore
Green Tsavorite garnet, rough samples on host rock from Tanzania. Total specimen weight 142 grams. Black background.
Emerald crystal background.
Neohalicholactone is unusual fatty acid metabolites having a cyclopropane ring and a nine-membered lactone. 3d illustration
Structural model of Benzene molecule
Prehnite mineral for accessories industrial isolate on white background
Scientific molecular structures on black background.
Raw uncut real honey yellow calcite crystal, calcium carbonate mineral with visible structure macro isolated on a white background surface
A molecular model of the flavonoid Quercetin.  An antioxidant and anti-inflamatory, it is used as a nutritional suplement.  It is commonly found in many fruits and vegetables and is a significant chemical component of tea.  Isolated on white.
specimen of natural rough chrysoberyl crystal cutout on white background
Fan palm: large palmately lobed leafs, in full frame composition.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Pegmatite mineral close up
Smoky quartz
Brazilianite mineral stone
emerald mineral stone sample macro photography
Free Images: "bestof:Palmiticacid.png Description Chemical structure of Palmitic Acid Author date of creation selfmade by Andel Früh 24 April 2005 Source - Copyright public domain"
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