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From left to right: the NMDA and  AMPA receptors transport calcium cations into neurons after being activated by the neurotransmitter glutamate and  the GABA receptor (right) transport chloride anions after the activation by gamma aminobutyrate. PDB entries: 6wht,  3kg2, 6d6u
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.
Abstarct Atom or molecular nanotechnology structure
An ECG test chart with pills and a stethoscope
Folic acid, folate molecule. It is known as vitamin B9. Molecular model. 3D rendering. 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.
Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration
Abstract technological design of an artificial molecular structure in many colors. Horizontal wide composition.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Liver Fluke Section under light microscope with white background
3D cartoon and Gaussian surface models. chain id color scheme, PDB 5zjd, white background.
3D rendering of microscopic particles and bubbles
Lily leaf c.s. under microscope
Chemical formula of Progesterone
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
3d Render Transparent Molecule on Gradient Green Background, Science and Medicine Concept, (Depth Of Field)
PETase is a bacterial enzyme that breaks down PET-plastic to monomeric molecules. The whole bacterial degradation process yields terephtalic acid and ethylene glycol, which are environmentally harmless.
A model of a molecule of Glycine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism.
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
Chemical & medical background
Cannabidiolic acid or CBDA cannabinoid molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.
Molecular model of Adenosine triphosphate,  or Adenosine-5'-triphosphate (ATP)
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Pheochromocytoma, Site: Adrenal gland
Immunotherapy of Alzheimer's disease: Monoclonal antibody (light blue) bound to an amyloid beta peptide (orange),  that is aggregated to amyloid beta fibrils, which build up amyloid plaques.
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.
Daclatasvir is an antiviral medication used in combination with other medications to treat hepatitis C.
Genetic research abstract - Colorectal cancer
Microcrystalline wax with chemical formula on white laboratory table.
Abstract Genetics Disease - 3d rendered image. Hologram view. SEM (TEM) macroscope image. DNA mutations. Vexas disease. Medicine Healthcare research concept. X chromosomes objects.
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Bois coupé structure.jpg
Beach-structure-Oostende-20040908-018.jpg
Hale Church 1.jpg
Port of Taganrog.jpg
Structure church San Nicolas Granada Spain.jpg
Alferaki Palace edit.jpg
WildlifeHamilton.JPG
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Peanut-Butter-Jelly-Sandwich.jpg
Colonnade temple Antoninus & Faustina Forum Romanum Rome.jpg
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Cerebronic acid.svg
10-hydroxydecanoic acid.svg
3-hydroxydecanoic acid.svg
3-hydroxyoctanoic acid.svg
4-Hydroxyvaleric acid.svg
Tartronic acid.svg
Angelicin 200.svg
Lipo-Hydroxy-Säure.svg
Zapoterin.svg
Triacetic acid lactone.svg
Fluorocitric acid.svg
Acetolactic acid.svg
Homoisocitric acid.svg
Leucic acid.svg
Ginkgolic acid 2.svg
Agaric acid.svg
Acetohydroxamic acid.svg
Meconic acid.svg
12-Hydroxystearic acid.svg
Carminic acid structure.svg
Trans-4-hydroxycrotonic acid.svg
4-Hydroxy-2-oxopentanoaic acid.svg
Citronellic acid.svg
Hydroxy-methylendiphosphonsäure1.svg
Hydroxy-methylendiphosphonsäure2.svg
Kynurenic acid.svg
Peptide Nucleic Acid.svg
Tetronic Acid.svg
Coutaric acid.svg
Endiandric acid C.svg
Endiandric acid A.svg
Endiandric acid B.svg
Endiandric acid D.svg
3-Isopropylmalic acid.svg
2-Isopropylmalic acid.svg
13-HODE.svg
Pangamic acid Structure V.1.svg
3,5-dinitrobenzoic acid structure.svg
Xanthic acid structure.svg
4-Iodosalicylic acid.svg
Carboxylic acid dimers.svg
Carboxylic Acid General Structure.svg
Carboxylic Acid General Structure V.1.svg
(S)-Acetolactic acid.svg
Nerolic acid.svg
Structure of Mucic acid.svg
Succinic Acid (Lactonized).svg
9-HODE.svg
Reveromycin A.svg
PhenolSynthesisFromBenzenesulfonicAcid.svg
6-hydroxykynurenic acid.svg
Folic acid nglu.svg
2-Aminoisobutyric acid.svg
Hydroxysulfanylethane.svg
Medicagenic Acid.svg
(2E,4E)-5-((S)-1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl)-3-methylpenta-2,4-dienoic acid.svg
Ricinelaidic acid.svg
Dodecanedioic acid.svg
15,16-Dihydroxy-alpha-eleostearic acid.svg
3-hydroxycyclopent-1-enecarboxylic acid.svg
Capsaicin 200.svg
Eudesminsäure.svg
Kaurenoic acid.svg
Citrinin 200.svg
D-Glutamic acid.svg
Lauroylsarcosine.svg
I acid.svg
L acid.svg
F acid.svg
G acid.svg
D acid.svg
R acid.svg
S acid.svg
M acid.svg
2-hydroxy-2-(4-hydroxy-3-methoxyphenyl)acetic acid 200.svg
Ethanesulfinic acid.svg
Tigloyl part.svg
Angeloyl part.svg
Plicatic acid.svg
H acid.svg
Gamma acid.svg
K acid.svg
Alpha schaeffer acid.svg
Baeyer acid.svg
Neville-Winther acid.svg
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