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The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices

A ball and stick model of Human Insulin. Isolated on black.

Science background with molecule or atom

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background

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

3d rendering of transparent molecule shape on green color background.

Monosodium glutamate, MSG or sodium glutamate molecules. MSG is used in cooking as a flavor enhancer with an umami taste 3d rendering

3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.

Multicolored antibodies or immunoglobulin protein structures - 3d illustration

Birth of Life, Evolution and Circulating Cells

A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. 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.

Halofantrine is a drug used to treat malaria. Halofantrine's structure contains a substituted phenanthrene, and is related to the antimalarial drugs quinine and lumefantrine. 3d illustration

Abstract structure with cubes and spheres

3d rendering of benzene molecules conjugated gold (Au) nanoparticles (NPs) on the black background

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

Flavin adenine dinucleotide, FAD molecule. Essential redox-active coenzyme involved in energy production and metabolism. Molecular model. 3D rendering. Illustration

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.

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

Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.

Molecular model of atorvastatin or Lipitor

3d rendering of H2O or water molecule inside the fullerene C60 cage

Hyaluronan, hyaluronic acid, HA, hyaluronate molecule, short fragment. Molecular model. 3D rendering. Illustration

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.

Free Images: "bestof:Generic Ketal Synthesis.png Generic Ketal Synthesis Own 9-4-07 Jeff Dahl Ketals Chemical syntheses"

Mechanismus Knorr-Pyrrol-Synthese V1.svg

Glyphosate synthesis from chloroacetic acid.svg

Synthesis of isoborneol from camphor.svg