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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

3D rendering of microscopic particles and bubbles

Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration

A molecular model of the plasticizer Dibutyl Phthalate or DBP. As a plasticizer it has been used in many products including adhesives, textiles, cosmetics and children's toys. There are now concerns about its health effects, particularly its effect on male health and behaviour. Isolated on white.

Water h2o molecule, Cosmetic Essence, Liquid bubble,3D rendering.

Microcrystalline wax with chemical formula on white laboratory table.

nanotechnology and abstract graphene structures

3d render of molecular structure of sulfuric acid isolated over white background Atoms are represented as spheres with color and chemical symbol coding: hydrogen(H) - blue, oxygen(O) - green, sulfur(S) - orange.

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

Glutamine is an α-amino acid that is used in the biosynthesis of proteins. Its side chain is similar to that of glutamic acid, except the carboxylic acid group is replaced by an amide. It is classified as a charge-neutral, polar amino acid. 3D ball-and-stick model, white background

Molecular structure of taurine (2-aminoethanesulfonic acid), C2H7NO3S. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.

Triacetin, glycerin triacetate molecule. It is triglyceride, triester of glycerol, food additive with E number E1518. Molecular model. 3D rendering. 3D illustration

29 October Republic Day of Türkiye text on a red shiny sphere with a partial Turkish flag on white background. Easy to crop for all your print sizes and social media needs.

Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.

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.

Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.

Chain or ribbon diatom, a type of algae.

Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration

Molecular model of amylose, one of the two sugar components in starch.

Cannabidiolic acid or CBDA cannabinoid molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.

Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.

Serine is the non-essential amino acid. 3D ball-and-stick model, white background

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.

Tafamidis is a medication used to delay loss of peripheral nerve function in adults with familial amyloid polyneuropathy. 3d illustration

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