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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 Caffeine Molecule Made From Coffee Beans Illustration Isolated on Black and White Background With Clipping Path. Caffeine is a Drug That Stimulates the Activity of Your Brain and Nervous System by Blocking the Action of Adenosine.

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

Histamine molecule. Skeletal formula for design on topic of scientific research in field of chemistry, molecular biology and medicine.

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

Water (Molecular formula: H2O) is a clear, odorless, tasteless liquid that is essential for most animal and plant life. Chemical structure model: Ball and Stick. 3D illustration.

3D depiction of mesh data network concept: Geometrical structure made of lines and dots. Isolated abstract geometry shape of nodes connected. Futuristic background for complex neural artificial intelligence, cloud computing, security technology. Big data connection communication, copy space

Chemical formula of Testosterone on a blackboard

Structural model of glycine molecule on white background, 3d illustration

Laboratory equipment glass flask medical scientific chemical bottle. 3d render.

Glutathione (GSH) is an antioxidant in plants, animals, fungi, and some bacteria and archaea. White background

Graphic representation of the chemical formula of the theobromine molecule with a blurred background of cocoa beans and powder and dark chocolate. Nutrition and science. Natural sources of theobromine. 3d rendering

$Model of DNA Base Pair adenine (A) and thymine (T)\n\nFind more molecules in the Lightbox [url=http://www.istockphoto.com/search/lightbox/7500191][i] 'World of Molecules'[/i][/url], or contact me on customized design/rendering of any molecules in 3D (see some examples below). \n\n[img]http://www.drugmodel.com/360/superglassy900.jpg[/img] \n[img]http://www.drugmodel.com/360/capsule900.jpg[/img] \n[img]http://www.drugmodel.com/360/glassy900.jpg[/img] \n[img]http://www.drugmodel.com/360/heart900.jpg[/img] \n[img]http://www.drugmodel.com/360/viruskiller900.jpg[/img] \n[img]http://www.drugmodel.com/360/mesh900.jpg[/img] \n[img]http://www.drugmodel.com/360/cartoon900.jpg[/img] \n[img]http://www.drugmodel.com/360/photo900.jpg[/img] \n[img]http://www.drugmodel.com/360/ovoid900.jpg[/img] \n[img]http://www.drugmodel.com/360/swirlcone900.jpg[/img] \n[img]http://www.drugmodel.com/360/super900.jpg[/img] \n[img]http://www.drugmodel.com/360/glowing900.jpg[/img]$

Calcium carbonate chip in chemical watch glass with molecular structure on white laboratory table. Top view

Mannitol is a type of sugar alcohol. It is used as a low calorie sweetener as it is poorly absorbed by the intestines. As a medication, it is used to decrease pressure in the eyes, as in glaucoma, and to lower increased intracranial pressure.

Happy Easter greeting card. Metallic shiny eggs in glass jar. Easter egg hunt concept. White illustration background with copy space and clipping path. Modern minimal design for social media, sale, advertisement, web.

Molecular structure of Acetylcysteine(also known as N-acetylcysteine or NAC). C5H9NO3S. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.

3D illustration of human stomach structure.

Structural model of DEHP on the blackboard.

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