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Amitriptyline is used as an antidepressant and antimigraine drug. It blocks sodium channels on neuronal membrans. Sodium channels generate and propagate action potentials in neurons and muscle. Source: PDB entry 6AGF

$What micro plastic is made of - Chemical ingredients.\nClose up of microplastic on finger concept of water pollution and global warming$

3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background

Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

Haematococcus pluvialis green and cyst algae under microscopic view - haematocyst, active and resting cells, strong antioxidant astaxanthin

3d pour water from a drinking glass onto the absorbent pad and ventilate shows with synthetic fiber hair, water droplets for diapers, sanitary napkin, baby diaper adult concept, 3d render illustration

Subtle artificial contour map, with hexagon blocks forming a gray honeycomb background, top-view horizontal composition

Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.

3D cartoon and Gaussian surface models. chain id color scheme, PDB 6dl7, white background.

$Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.$

Drops and strands of hot glue have already cooled down and are visible against a dark blue background

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.

Classical pathway, complement activation: antigen(magenta)-bound immunoglobulin M (IgM, light blue) activates the C1 complex (violet). Source: PDB entries 7k0c, 1cgd, 5hkj, 6f1c.

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

3D cartoon and molecular surface models, chain id color scheme, putative membrane shown, pdb 1l7v, white background

Probiotics, bacteria on white background. Bacteria and microorganisms. Microscopic probiotics, bacterial flora

Bone marrow plasma cells .Plasma cell neoplasms are diseases in which the body makes too many plasma cells. Plasma cell neoplasms can be benign or malignant. Diagnosed with Immunostain CD138 positive.

Aerial view of loyster farm by Ardara, County Donegal - Ireland.

Different types in cell development glass dishes on desk. Group of Petri dishes with different culture media and micro organisms grown.

The integration of fluidics and optics, antibodies molecule in flow-through nanohole arrays, has enabled increased transport of analytes to sensing surfaces 3d rendering

$The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.$

Nerve growth factor (NGF) is a neurotrophic factor and neuropeptide primarily involved in the regulation of growth, maintenance, proliferation, and survival of certain target neurons. 3D cartoon and Gaussian surface models with differently colored chains, white background.

Close-up of a blue mosaic tiles on a swimming pool.

Microplastics in a Petri dish, environmental science concept

$Streptococcus pneumoniae causes acute bacterial infections. Streptococcus pneumonia can be\ndifferentiated from other alpha-hemolytic streptococci\nbased on its susceptibility to optochin ( the disk is visible on the pic).$

Free Images: "bestof:Induced fit.JPG en Induced-fit model of Enzyme-Substrate binding Own Tinastella 2008-11-24 Unidentified biology diagrams Diagrams in English"

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Weber's model of capitalist development.svg

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Scheme facilitated diffusion in cell membrane-en.svg

Scheme simple diffusion in cell membrane-en.svg

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