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Science background with molecule or atom

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.

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.

Calcidiol molecule, also called calcifediol, major circulating metabolite of vitamin D3 produced in liver, 3D illustration

nanotechnology and abstract graphene structures

Antimicrobial susceptibility testing in petri dish. Microbiologist check Antibiotic resistance of bacteria

3D rendering of microscopic particles and bubbles

structure of a citric acid molecule painted on lemon peel, abstract background

3d Render Transparent Molecule on Gradient Green Background, Science and Medicine Concept, (Depth Of Field)

Petri dish with pipette isolated on white background. Petri dish with liquid serum or gel.

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

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.

Bacteria Enterococcus isolated on white background, 3D illustration. Gram-positive cocci which cause infant endocarditis and other infections

Melatonin is a hormone, released primarily by the pineal gland, that regulates the sleep–wake cycle. 3D ball-and-stick model, white background

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

Inside protein molecule

alien structure made of white spheres and flowing glass liquid, molecular, hi-tech concept, abstract design element

Antibiotic susceptibility testing, antibiotic resistance.

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

DNA strand on scientific background. 3d illustration

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.

A quadrant streak of the bacterium Staphylococcus aureus cultured or inoculated on Baird-Parker agar with egg tellurite .

3D rendering of microscopic molecular structure

Molecular model of insulin hormone, 3D illustration. It is produced by pancreas and takes part in glucose and lipid metabolism

plant Pumpkin ovary under light mircoscope with white background

An antibody, also known as an immunoglobulin, is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. 3D cartoon and Gaussian surface models with differently colored chains, white background.

Natural agate surfaces, suitable for backgrounds and wallpapers.

Close-up detail of multiple plates of petri dishes containing cultures of Methicillin-Resistant Staphylococcus Aureus (MRSA). Healthcare and infectious diseases concept.

DNA and biotechnology concept

Free Images: "bestof:Spermidine.svg Chemical structure of spermidine Selfmade with ChemDraw 2006-07-28 Calvero PD Spermidine"

Coriamyrtin stereo.svg

Cyclohexane simple.svg

Ethidium bromide.svg

Hexane displayed.svg

Methylene blue.svg

Ibotenic acid.svg

Leukotriene C4.svg

Leukotriene D4.svg

Leukotriene E4.svg

Leukotriene F4.svg

Gibberellin A12.svg

Gibberellin A3.svg

Gibberellin A1.svg

Gibberellin A4.svg

Gibberellin A7.svg

Gibberellin A8.svg

Gibberellin A9.svg

Gibberellin A15.svg

Gibberellin A19.svg

Gibberellin A20.svg

Gibberellin A24.svg

Gibberellin A25.svg

Gibberellin A29.svg

Gibberellin A34.svg

Gibberellin A44.svg

Gibberellin A51.svg

Gibberellin A53.svg

Carminic acid.svg

Mellitic acid.svg

Glycyrrhetinic acid.svg

Folic acid.svg

Dimethyl sulfate.svg

Anthocyanidines with numbers.svg

Amyl nitrite.svg

Nitro group resonance structure.svg

Oxytocin color.svg

Prostaglandin E1.svg

Chrysanthemic acid.svg

1,3-Diphenylprophene-2-one.svg

5-Hydroperoxyeicosatetraenoic acid.svg

Salvarsan trimer and pentamer.svg

Phenethylamine substitutoin.svg

Cyclohexane with H.svg

Anthraquinone acsv.svg

Bromothymol Blue.svg

Aryltriacetate synthesis.svg

CIP system example.svg

Persulfurane synthesis.svg

Aryllead C-aryllation.svg

Lanosterol from squalene.svg

Phosphine umpolung.svg

Oxidative Cleavage of allylalcohols.svg

Trioxane equilibrium.svg

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