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From left to right: the NMDA and  AMPA receptors transport calcium cations into neurons after being activated by the neurotransmitter glutamate and  the GABA receptor (right) transport chloride anions after the activation by gamma aminobutyrate. PDB entries: 6wht,  3kg2, 6d6u
3D realistically coloured hexagonal shapes of connected spheres, background with copy space. Futuristic illustration design template for scientific presentation. Molecular business, science, teamwork concept.
Nourish hair of shampoo or serum. Repair damaged hair concept, 3d rendering.
Freshness capsule
Carbamide in Chemical Watch Glass with molecular structure. Chemical ingredient used in medical and public health issues.
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
Fictitious molecule model inside red and blue pill isolated on white.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Vitamin D Capsule with D3 Element. Dietary Supplements. 3D Render
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.
Microcrystalline wax with chemical formula on white laboratory table.
A ball and stick model of a strand of a molecule of polyvinyl chloride, more commonly known as PVC. This vinyl polymer is one of the commonest plastics in use.
Cell membrane with white background, 3d rendering. Computer digital drawing.
Close up view of blister of pills for headache on white color background
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
Calcium Capsule with Ca Element. Dietary Supplements. 3D Render
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
Open capsule or pill with molecular structure. Nanotechnology concept
Calcium carbonate chip in chemical watch glass with molecular structure on white laboratory table. Top view
Inside protein molecule
Chromosome and cell nucleus  with telomere and DNA concept for a human biology x structure containing dna genetic information as a medical symbol for gene therapy or microbiology genetics as a 3D illustration.
An empty tablet blister pack with just two tablets left  highlighting cost and dependance of medications- plain background
Collagen protein molecule. Molecular model. 3D rendering. Illustration
Vitamin D3 Capsules. 3D Render
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
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.
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Green circle shape aquarelle with colorful drawing outlines on white background
Free Images: "bestof:Nylon 6 and Nylon 6-6.png Nylon 6 above and Nylon 6 6 showing the direction of peptide bonds to be the only structural difference Polyparadigm Adapted from"
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