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Isolated on white background. 3D render
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Molecule with dark neon light effect, 3d rendering. 3D illustration.
Open capsule or pill with molecular structure. Nanotechnology concept
Science background with molecule or atom
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.
Dicyclohexyl phthalate (DCP) plasticizer molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
Cosmetic Essence oil Liquid drop with molecule on a white background, 3d rendering.
Molecular structure of Methane CH4
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.
Molecular Structure. Science background. 3D Render
Tryptophan molecule structure 3d illustration with clipping path
3D rendering blue transparent icon
Inside protein molecule
Monosodium glutamate, MSG or sodium glutamate molecules. MSG is used in cooking as a flavor enhancer with an umami taste 3d rendering
3D cartoon and Gaussian surface models. chain id color scheme, PDB 5zjd, white background.
Molecular structure of Chloroform CHCl3
Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration
A ball and stick model of a molecule of gamma-Cyclodextrin. Composed of eight glucose sugar molecules bound into a ring structure, cyclodextrins are easily made from simple starch. The large ring can bind smaller molecules within it, making Cylodextrins useful in drug-delivery applications and also to clean up toxins (such as heavy metals) in the environment. Currently, gamma-Cyclodextrin is being considered as a structure which can bind to and hold carbon dioxide gas for carbon capture and storage as a way to manage the effect of excess carbon dioxide on the climate.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Isolated on white background. 3D render
DNA structure genetic biotechnology, 3d rendering
Science or medical concept. Molecular structure on black background
Iobenguane I-131 cancer drug molecule (radiopharmaceutical). 3D rendering. Atoms are represented as spheres with conventional color coding
Structural model of Benzene molecule
Ammonia (molecular formula: NH3 or H3N) is a colorless alkaline gas. Chemical structure model: Ball and Stick. 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.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 2y73, white background
3d Molecular StructurePlease see some similar pictures from my portfolio:
Free Images: "bestof:Midazolam molecule spacefill.png Space-filling model of the midazolam molecule a sedative drug C H N F Cl 2015-01-06 own DS Visualizer Jynto more from this user"
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Hydrogen-sulfide-3D-vdw.svg
Methane-3D-space-filling.svg
Sulfur-dioxide-resonance-2D.svg
barrelene-molecule-spacefill-model-895192.png
amiton-spacefill-molecule-chemical-876020.png
bapta-spacefill-model-molecule-895125.png
avobenzone-spacefill-model-molecule-884339.png
bay-k8644-molecule-model-calcium-903589.png
almitrine-respiratory-drug-molecule-872674.png
almitrine-respiratory-drug-molecule-872675.png
acetazolamide-diuretic-drug-molecule-872224.png
acetazolamide-diuretic-drug-molecule-872223.png
aziridine-molecule-nitrogen-884366.png
aminothiazole-spacefill-model-876013.png
aminoethylpiperazine-spacefill-model-876009.png
dihydroprogesterone-molecule-steroid-855558.png
amitriptylinoxide-tricyclic-876022.png
aminopyralid-spacefill-model-876011.png
aminoethylethanolamine-spacefill-876007.png
biotin-spacefill-b-vitamin-model-910243.png
azepine-nitrogen-heterocycle-884363.png
azepane-heterocycle-nitrogen-884361.png
apiol-phenylpropanoid-parsley-876291.png
amps-sulfonic-acid-acrylamido-876070.png
amoscanate-experimental-anthelmintic-876033.png
tetramethyluronium-trifluoromethyl-835794.png
annulene-cyclotetradecaheptaene-835643.png
azelaic-acid-dicarboxylic-spacefill-884359.png
amlodipine-calcium-channel-blocker-876024.png
altretamine-anti-cancer-drug-875800.png
altretamine-anti-cancer-drug-875799.png
crown-5-3d-spacefill-ether-model-835896.png
crown-4-3d-spacefill-ether-model-835872.png
tetrahydrocannabinol-hydroxy-thc-3d-835853.png
retinal-cis-3d-spacefill-model-835851.png
octene-spacefill-alkene-ball-model-835813.png
pyran-heterocycle-spacefill-ball-835809.png
dioxin-heterocycle-spacefill-ball-835807.png
dimethoxyphenethylamine-molecule-855585.png
aminomethylcyclopropane-cis-model-835640.png
acarbose-diabetic-drug-867864.png
acarbose-diabetic-drug-867863.png
Oxygen molecule.svg
aranidipine-calcium-channel-blocker-883791.png
chlorofluorocarbon-fluoroethane-835796.png
aranidipine-calcium-channel-blocker-883792.png
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ALLAD.svg
Acetyldihydrocodeine.svg
Acetylmorphone.svg
Ajulemicacid.svg
Acrolein.svg
Dupracetam.svg
Molracetam.svg
Piperacetam.svg
Aloracetam.svg
Water molecule 3D.svg
Altretamine.svg
2ct15.svg
2ct17.svg
Adrafinil-structure.svg
Amisulpride2d.svg
Beta-CPT.svg
VNI molecule.svg
Digoxin structure.svg
Cebaracetam.svg
Dimiracetam.svg
Doliracetam.svg
Imuracetam.svg
Noopept.svg
8-Chlorotheophylline.svg
Rolipram model.svg
5-MeO-DIPT.svg
5-Me-MIPT.svg
LPAC.svg
5-MeO-AMT2.svg
Astatine-3D-vdW.svg
Thiocarbonic-acid-3D-vdw.svg
Perxenic-acid-3D-vdW.svg
Xenic-acid-3D-balls.svg
Xenic-acid-3D-vdW.svg
Hydrogen-astatide-3D-balls.svg
Xenon-monochloride-3D-vdW.svg
Xenon-monochloride-3D-balls.svg
Bromous-acid-3D-vdW.svg
Bromous-acid-3D-balls.svg
Polonium-hydride-3D-vdW.svg
Heavy-water-3D-vdW.svg
Indole 2D aromatic.svg
Benzofuran 2D aromatic.svg
Indole 2D numbered.svg
Benzofuran 2D numbered.svg
Indole 2D aromatic full.svg
Benzofuran 2D aromatic full.svg
NCl3 dimensions.svg
Mercury fulminate.svg
Hydrogen-astatide-elpot-transparent-3D-balls.svg
DNA replication blank.svg
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