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A molecular model of the plasticizer Dibutyl Phthalate or DBP.  As a plasticizer it has been used in many products including adhesives, textiles, cosmetics and children's toys. There are now concerns about its health effects, particularly its effect on male health and behaviour.   Isolated on white.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
3d rendering of benzene molecules conjugated gold (Au) nanoparticles (NPs) on the black background
Chemical formula of Cortisol
Calcidiol molecule, also called calcifediol, major circulating metabolite of vitamin D3 produced in liver, 3D illustration
molecular symbol painted on the wall
Proliferating cell nuclear antigen (PCNA) is a DNA clamp that acts as a processivity factor for DNA polymerase δ in eukaryotic cells and is essential for replication. PCNA is a homotrimer and achieves its processivity by encircling the DNA, where it acts as a scaffold to recruit proteins involved in DNA replication, DNA repair, chromatin remodeling and epigenetics. 3D cartoon and Gaussian surface models, chain instance color scheme, based on PDB 3wgw, white background.
Slice of natural crystal for patterns and textures use with high resolution.
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
Close-up shot of a petri dish for checking clear zone an antibiotic in the laboratory.
After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.
Chemical formula of Progesterone
Epstein-Barr virus internal structure. 3d illustration isolated in white
Covid-19 vaccine research Covid-19 concepts.
Copper(II) sulfate 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
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
Chemical formula of Aldosterone
DNA close-up, DNA Molecule Model, DNA Strands, DNA animation
Inside protein molecule
Nucleosome structure. Structure of an oligonucleosome, showing the packaging of DNA in chromosomes. 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.
Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Collagen protein molecule. Molecular model. 3D rendering. Illustration
Zinc supplements on their periodic table square.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 2y73, white background
Molecular model of amylose, one of the two sugar components in starch
Free Images: "bestof:Intermedeol.svg Chemical structure of intermedeol 5beta 10alpha-eudesm-11-en-4-ol Own 13 48 11 September 2012 UTC Ed Edgar181 Sesquiterpenes Tertiary alcohols"
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