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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
3D Illustration of Vitamin C Molecule
3D cartoon and Gaussian surface models, chain id color scheme, PDB 2y73, white background
Golden oil molecules. Isolated on white background. 3D Render
Collagen protein molecule. Molecular model. 3D rendering. Illustration
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.
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
Picture of isolated vitamin A made by molecular model with reflection on white background. Retinol chemical formula with colored atoms and bonds
BIM ventilation system design 3d illustration.
Infinity sign made out of multiple spheres and circular shapes against grey background.
3D cartoon and Gaussian surface models, PDB 7bg9, white background.
3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.
3d printed car piston isolated on white background. 3D illustration
Abstract background with molecules spheres
Interleukin 4 is a key regulator of the immune system and plays an important role in the development of allergic hypersensitivity, exacerbating allergic and asthmatic symptoms. Interleukin 4 is a peptide with 125 aminoacids. The IL-4 receptor consists of an alfa (light violet) and a gamma chain. Source: PDB entry 3bpl
Molecular structure of Hexane C6H14
3d structure of Gedatolisib, an agent targeting the phosphatidylinositol 3 kinase (PI3K) and mammalian target of rapamycin (mTOR) in the PI3K/mTOR pathway, with potential antineoplastic activity.
3d render. Puzzle isolated on white background.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Open capsule or pill with molecular structure. Nanotechnology concept
Folic acid, folate molecule. It is known as vitamin B9. 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.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Artificial molecular structure in many colors. Horizontal composition, isolated on white background.
Nourish hair of shampoo or serum. Repair damaged hair concept, 3d rendering.
Pictogram 3D symbol concept: White jigsaw puzzle sign illustration model on yellow background. Horizontal composition with copy space and clipping path for easy edit
Glutamate receptors are located on the membranes of neurones. The neurotransmitter glutamate activates the receptor to transport cations into the neuron. This postsynaptic excitation is important for neural communication, memory formation, learning and regulation. Source: PDB entry 3kg2
Structural model of Benzene molecule
3D rendering illustration of a plastic hose cap
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.
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