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Melatonin is a hormone, released primarily by the pineal gland, that regulates the sleep–wake cycle. 3D ball-and-stick model, white background
Chemical formula of Cortisol
Dopamine ( DA) hormone molecule. Molecular model. 3D rendering. 3D illustration
A ball and stick model of Dopamine. It is a neurotransmitter affecting behaviour, sleep, learning, perception of pain, mood and motivation.
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Petrochemical plant with many large storage tanks, pipelines and chimneys, surrounded with green forest, viewed from above.
3d rendering of benzene molecules conjugated gold (Au) nanoparticles (NPs) on the black background
Molecular model of amylose, one of the two sugar components in starch.
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
Chemical formula of Progesterone
Chemical formula of Testosterone on a blackboard
Structural model of Benzene molecule
Triacetin, glycerin triacetate molecule. It is triglyceride, triester of glycerol, food additive with E number E1518. Molecular model. 3D rendering. 3D illustration
Oil refinery and petrochemical plant viewed from above, oil embargo, Germany.
Glucosamine (C6H13NO5) is an amino sugar. treatment for osteoarthritis. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.
UK petrochemical complex with chimneys and oil storage tanks at Immingham
Chemical structural formula of caffeine drawn on chalkboard.\nIsolated on schoolboard background
Pitcairn Islands flag paint brush on white background, The concept of drawing, brushstroke, grunge, paint strokes, dirty, national, independence, patriotism, election, template, oil painting, pastel colored, cartoon animation, textured effect
Decitabine is a medication for the treatment of myelodysplastic syndromes, a class of conditions where certain blood cells are dysfunctional.
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.
Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration
Oil refinery and petrochemical plant viewed from above.
Chemistry model of molecule water scientific elements, Water molecule, Reaction of Hydrogen and Oxygen to water, Chemical bonds in gas, liquid, and solid states
Inside protein molecule
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Chemical formula of Aldosterone
Structural model of DEHP on the blackboard.
Aerial view of Electric plants generator from gas and oil send power line to town, High angle view of power  plant and gas storage tank in heavy industry plant
Fisetin molecule. It is plant flavonol from the flavonoid group of polyphenols. Molecular model. 3D rendering
Oil refinery and petrochemical plant viewed from above, oil embargo, Germany.
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