Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
A ball and stick model of Human Insulin. Isolated on black.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Structural model of Benzene molecule
Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (often abbreviated MeOH).
Inside protein molecule
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Freshness capsule
c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.
Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Turquoise, blue
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
A ball and stick model of a Polytetrafluoroethylene molecule, also known as PTFE or most commonly Teflon. It is a polymer consisting of only carbon and fluorine atoms. It is used as a non-stick coating for cookware, as a lubricant, and it is also used to contain highly reactive chemicals as it is extremely non-reactive.
Yohimbine(quebrachine), is an indole alkaloid. C21H26N2O3. Chemical structure model: Ball and Stick + Balls + Space-Filling. 3D illustration.
Molecular model of amylose, one of the two sugar components in starch.
Organic Carnauba Wax in Chemical Watch Glass with molecular structure place next to beaker and \nPlatycerium stemaria fern. Chemical ingredient used in cosmetic industry.
Conceptual background with colourful spheres positioned in tension.
Dicyclohexyl phthalate (DCP) plasticizer molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.
3d Molecular StructurePlease see some similar pictures from my portfolio:
Isolated minoxidil chemical molecule structure in the white background 3d rendering
abstract geometric shape
3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background
A ball and stick model of a molecule of Human Interferon. Interferons are proteins important in the working of the immune system and are produced in large numbers in the presence of viruses, bacteria, tumors and parasites.  Interferons are used in drugs to combat cancer, multiple sclerosis, hepatitis B and C and other diseases. Isolated on white.
Microcrystalline wax with chemical formula on white laboratory table.
Molecular model of Adenosine triphosphate,  or Adenosine-5'-triphosphate (ATP)
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
Digital background depicting innovative technologies in medicine systems, neural interfaces and research genetic and biology
TNF-alfa (blue) is the most potent proinflammatory cytokine and is crucial in the pathogenesis of PsA. TNF-  inhibitors considerably relieve symptons in patients. A therapeutic antibody (adalimumab) blocks the receptor binding site of  TNF-.
Carbon dioxide mollecular models in the air. Very selective focus. Related file:
3D cartoon and Gaussian surface models, PDB 4cmh, 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.
Free Images: "bestof:Dichlorine heptoxide molecule spacefill.png Space-filling model of the dichlorine heptoxide molecule an unstable oxide that is the anhydride of perchloric acid"
bapta-spacefill-model-molecule-895125.png
azelaic-acid-dicarboxylic-spacefill-884359.png
amps-sulfonic-acid-acrylamido-876070.png
aminomethylcyclopropane-cis-model-835640.png
Dichlorine heptoxide.svg
barrelene-molecule-spacefill-model-895192.png
amiton-spacefill-molecule-chemical-876020.png
avobenzone-spacefill-model-molecule-884339.png
armstrongs-acid-molecule-model-883918.png
armstrongs-acid-molecule-model-883919.png
benzene-oxide-model-molecule-906604.png
benzene-oxide-model-molecule-906603.png
bay-k8644-molecule-model-calcium-903589.png
acetic-oxalic-anhydride-molecule-872231.png
acetic-formic-anhydride-molecule-872228.png
acetic-oxalic-anhydride-molecule-872230.png
acetic-formic-anhydride-molecule-872229.png
adipic-acid-molecule-structure-872322.png
aminoisobutyric-acid-molecule-867179.png
aminoisobutyric-acid-molecule-867180.png
hydroxyanthranilic-acid-molecule-867188.png
aminobenzoic-acid-molecule-chemistry-867257.png
aminobenzoic-acid-molecule-chemistry-867256.png
aminobenzoic-acid-molecule-chemistry-867177.png
aminobenzoic-acid-molecule-chemistry-867178.png
acetic-acid-dimer-molecule-872226.png
acetic-acid-dimer-molecule-872227.png
chloroindole-acetic-acid-molecule-867265.png
chloroindole-acetic-acid-molecule-867266.png
bapta-molecule-ball-stick-model-895124.png
aminothiazole-spacefill-model-876013.png
aminoethylpiperazine-spacefill-model-876009.png
acid-red-sodium-dye-molecule-872262.png
acid-red-sodium-dye-molecule-872261.png
aziridine-molecule-nitrogen-884366.png
aminoethylethanolamine-spacefill-876007.png
dihydroprogesterone-molecule-steroid-855558.png
apiol-phenylpropanoid-parsley-876291.png
amitriptylinoxide-tricyclic-876022.png
aminopyralid-spacefill-model-876011.png
annulene-cyclotetradecaheptaene-835643.png
biotin-spacefill-b-vitamin-model-910243.png
azepine-nitrogen-heterocycle-884363.png
azepane-heterocycle-nitrogen-884361.png
amoscanate-experimental-anthelmintic-876033.png
pyran-heterocycle-spacefill-ball-835809.png
tetramethyluronium-trifluoromethyl-835794.png
amlodipine-calcium-channel-blocker-876024.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
dioxin-heterocycle-spacefill-ball-835807.png
dimethoxyphenethylamine-molecule-855585.png
phosphogluconic-acid-organophosphate-867437.png
phosphogluconic-acid-organophosphate-867436.png
hydroxyanthranilic-acid-aromatic-867189.png
allylboronic-acid-pinacol-ester-872664.png
allylboronic-acid-pinacol-ester-872665.png
Ajulemicacid.svg
alpha-parinaric-acid-unsaturated-872705.png
alpha-parinaric-acid-unsaturated-872704.png
alpha-parinaric-acid-unsaturated-872703.png
alpha-parinaric-acid-unsaturated-872702.png
aminomuconic-acid-metabolism-836134.png
chlorofluorocarbon-fluoroethane-835796.png
aminomethylcyclopropane-cis-model-835639.png
azelaic-acid-dicarboxylic-ball-884358.png
aminocaproic-acid-ball-stick-model-876005.png
alpha-linolenic-alpha-linolenic-872689.png
alpha-linolenic-acid-fatty-acid-872688.png
acetrizoic-acid-x-ray-contrast-agent-872243.png
amps-sulfonic-acid-acrylamido-876069.png
Perxenic-acid-3D-vdW.svg
Xenic-acid-3D-vdW.svg
Thiocarbonic-acid-3D-vdw.svg
Xenic-acid-3D-balls.svg
Bromous-acid-3D-vdW.svg
Bromous-acid-3D-balls.svg
Hydrogen-sulfide-3D-vdw.svg
Dichlorine heptoxide molecule spacefill.png
Dichlorine heptoxide molecule ball.png
Dichlorine-trioxide-3D-spacefill.png
Chlorine perchlorate molecule spacefill.png
Dichlorine dioxide molecule spacefill.png
Dichlorine-hexoxide molecule spacefill.png
Dichlorine monoxide 3D spacefill.png
Dichlorine-hexoxide ions spacefill.png
Dichlorine pentoxide 3D spacefill.png
Bromine dioxide molecule spacefill.png
Dichlorine-trioxide-3D-balls.png
Fluorine nitrate molecule spacefill.png
Ethylenetetracarboxylic-anhydride-3D-spacefill.png
Trifluoroacetic-anhydride-3D-spacefill.png
Methanesulfonic-anhydride-3D-spacefill.png
Mellitic-anhydride-3D-spacefill.png
Teflic-anhydride-3D-spacefill.png
Itaconic-anhydride-3D-spacefill.png
Maleic-anhydride-3D-spacefill.png
Terms of Use   Search of the Day