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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

A ball and stick model of Dopamine. It is a neurotransmitter affecting behaviour, sleep, learning, perception of pain, mood and motivation.

A man burning sensation in chest from acid reflux on gray background.

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

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

Radon gas periodic table concept with the Mendeleev periodic table of the elements

Handwriting Chemical formula of Citric Acid with pen. Close up.

3D rendering of microscopic particles and bubbles

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

CD47 also known as integrin associated protein is a transmembrane protein that in humans is encoded by the CD47 gene. CD47 belongs to the immunoglobulin superfamily and partners with membrane integrins and also binds the ligands thrombospondin-1 and signal-regulatory protein alpha. 3D cartoon and Gaussian surface models, chain id color scheme, based on PDB 2jjt, 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.

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

A triangular bone in the lower back formed from fused vertebrae and situated between the two hip bones of the pelvis.

3D rendering of microscopic molecular structure

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

Abstract technological design of an artificial molecular structure in many colors. Horizontal wide composition.

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

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.

Microcrystalline wax with chemical formula on white laboratory table.

The 12 constellations of the zodiac drawn on an old paper.

3D cartoon and Gaussian surface models, chain id color scheme, PDB 2y73, white background

Infographic diagram of lower half human skeleton anatomy system anterior view- 3D- Human Anatomy- Medical Diagram- educational and Human Body concept- Isolated on white background

Molecular structure of Sulfur dioxide SO2

Phytic acid - inositol polyphosphate - phytate when in salt form- a saturated cyclic acid, is the principal storage form of phosphorus in many plant tissues, especially bran and seeds

Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.

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