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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
A model of a molecule of Glutamine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Glutamine reduces the time to heal after injury or illness.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
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
Fragment of uranium or yellow cake
Copper(II) sulfate with molecular structure. Chemical ingredient used in medical and public health issues.
Liquid bubbles up Fluid Twirl
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-.
Chemical formula of Progesterone
B-chain pentamer and A-chain subunit (green), 3D cartoon and Gaussian surface model, white background
3D rendering of microscopic molecular structure
Neohalicholactone is unusual fatty acid metabolites having a cyclopropane ring and a nine-membered lactone. 3d illustration
Structural model of Benzene molecule
Filtration and water purification scheme contaminated molecules pass through filter layers
Barite on fluoride
p53 (blue) tagged with ubiquitin (yellow) is degraded into small peptides by a proteasome (violett). p53 prevents cancer formation and acts as a guardian of the genome. Mutations in the p53 gene contribute to about half of the cases of human cancer.
This example of the naturally occurring mineral Wulfenite was mined in southern Arizona.
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
Freshness capsule
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Molecular structure of Sulfur dioxide SO2
Microcrystalline wax with chemical formula on white laboratory table.
Inside protein molecule
Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. Illustration
A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.
3D cartoon and Gaussian surface models. PDB 1qxm, white background.
3d Molecular StructurePlease see some similar pictures from my portfolio:
Biological protein and molecule, 3d rendering. 3D illustration.
3D Illustration of Vitamin C Molecule
Free Images: "bestof:Sulfonyl Acide General Structure V.1.png Sulfonyl_Acide_ General_Structure own 2013-09-29 Jü Cc-zero hydrazides"
Benzalkonium chloride Structure V.1.svg
Carbodiimides General Structure V.1.svg
Monothioacetal Structural Formula V.1.svg
Dithioacetal Structural Formula V.1.svg
Heparin General Structure V.1.svg
Sulfonyl Group General Formulae.svg
Propyphenazone Formula V.1.svg
Carboxylic Acid General Structure.svg
Carboxylic Acid General Structure V.1.svg
Vinyl Group General Structure.svg
Dicloran Structure V.1.svg
Nicergoline Structure V.1.svg
Pyrimethanil Structure V.1.svg
Nepetalacton Structure V.1.svg
Pentoxifylline Structure V.1.svg
Zolmitriptan Structure V.1.svg
Iodosilane Structure V.1.svg
Diethyldicarbonate Structure V.1.svg
Dimethylethanolamine Structure V.1.svg
Prednicarbat Structure V.1.svg
Fenamiphos Structure V.2.svg
Papaveraldine Structure V.1.svg
Trichloroacetonitrile Structure V.1.svg
Haloxyfop-P Structure V.1.svg
Sanguinarine Structure V.1.svg
Methylen dithiocyanate Structure V.1.svg
Bombykol Structure V.1.svg
Alpha-Terpinene Structure V.1.svg
Haloxyfop-etotyl Structure V.1.svg
Haloxyfop-methyl Structure V.1.svg
Haloxyfop-Sodium Structure V.1.svg
Haloxyfop-Chemical Structure V.1.svg
Haloxyfop-P-methyl Structure V.4.svg
Perfluorobutylamine Structure V.1.svg
Prazosin Structure V.1.svg
Organic Acyl halogenides General Formulae V.1.svg
Quinacridone Structural Formula V.1.svg
Phenyl ethanal Structure V.1.svg
Ester General Formulae V.1.svg
Phosphate General Formulae V.1.svg
Raloxifene Chemical Structure V.1.svg
Lorcaserin Chemical Structure V.1.svg
Diradicals General Formulae V.1.svg
Tosylgruppe Strukturformel V.1.svg
Pangamic acid Structure V.1.svg
Methylene Angel V.1.svg
Prim-Sulfonicacid Amide Structure V.1.svg
Sec-Sulfonicacid Amide Structure V.1.svg
Tert-Sulfonicacid Amide Structure V.1.svg
Lactones General Formulae V.1.svg
Sulphate General Formulae V.1.svg
Nitrate General Formulae V.1.svg
Antiaromatics Chemical Structure V.1.svg
Fenpyroximate Chemical Structure V.1.svg
Diphenyl diselenide Structural Formula V.1.svg
Hexyl Amine Structural Formula V.1.svg
N-Methyl taurine Structure V.1.svg
Amphetamine & Methylhexanamine similarity V.1.svg
Nitrite General Formulae V.1.svg
Borate General Formulae V.1.svg
Benzamido Group General Formulae V.1.svg
Wanzlick's Equilibrium General Formulae V.1.svg
Acidhalogenides General Formulae V.1.svg
1-IPX General Formulae V.1.svg
General struct arylcyclohexylamine.svg
(RS)-Rabeprazole Structure.svg
(R)-Pantothenic acid Formula V.1.svg
Safranines Structural Formulae V.1.svg
2-IPX General Formulae V.1.svg
3-IPX General Formulae V.1.svg
4-IPX General Formulae V.1.svg
Ortho-Diradicals General Formulae V.1.svg
Meta-Diradicals General Formulae V.1.svg
Para-Diradicals General Formulae V.1.svg
Alkene General Formula V.1.svg
Porphyrine General Formula V.1.svg
Hydroxid Ion General Formulae V.1.svg
General struct benzylidene group.svg
General struct mesityl group.svg
General struct benzhydryl group.svg
General struct trityl group.svg
General struct phenethyl group.svg
General struct styryl group.svg
General struct cinnamyl group.svg
General struct alcohol group.svg
General struct thiol group.svg
General struct selenol group.svg
General struct tellurol group.svg
General struct thioketone group.svg
General struct selenoketone group.svg
General struct telluroketone group.svg
General struct aldehyde group.svg
General struct thioaldehyde group.svg
General struct selenoaldehyde group.svg
General struct telluroaldehyde group.svg
General struct thioether group.svg
Sulfonyl Acide General Structure V.1.png
Acyl Acide General Structure V.1.png
Ethylcarboxylate General Structure.png
Ethylcarbonate General Structure.png
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