Biochemistry Collection

Anaesthetic inhibiting an ion channel C015 / 6718
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres)

Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

EDTA crystals, light micrograph
EDTA crystals. Polarised light micrograph of a section through ethylenediaminetetraacetic acid (EDTA) crystals. EDTA is used primarily for its effectiveness at binding metal ions (chelating)

Immunoglobulin G antibody molecule F007 / 9894
Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

Oxytocin hormone crystals, PLM C016 / 7196
Oxytocin. Polarised light micrograph (PLM) of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Cell membrane, artwork C013 / 7467
Computer artwork of a cutaway view of the human cell membrane. The cell Membrane is a complex part of the cell that controls what can get in and out of the cell

Blood coagulation cascade, artwork C016 / 9873
Blood coagulation cascade. Artwork of the biochemical cascade of blood chemicals and proteins during blood clotting (coagulation). The blood vessel and its layered wall is at upper left

Microscopic view of human respiratory syncytial virus (RSV). RSV causes respiratory tract infection of the lungs and breathing passages

DNA, illustration
DNA (deoxyribonucleic acid) molecule, computer illustration

PLM of crystals of testosterone
^BMale sex hormone.^b Polarised light micrograph of crystals of testosterone. Testosterone is the main human androgen, the class of steroid hormones responsible for the development of male

RNA-editing enzyme, molecular model
RNA-editing enzyme. Molecular model of a left-handed, RNA double helix (Z-RNA, centre) bound by the Z alpha domain of the human RNA-editing enzyme ADAR1 (double-stranded RNA adenosine deaminase)

Zinc fingers bound to a DNA strand, molecular model. The double helix of DNA (deoxyribonucleic acid, red and yellow) is seen here with two Zif268 proteins (blue and green)

Insulin crystals, light micrograph C017 / 8249
Insulin. Polarised light micrograph (PLM) of crystals of the hormone insulin. The insulin molecule is made up of two chains of amino acids (A & B chains)

Myoglobin molecule C015 / 5702
Myoglobin molecule. Computer model showing the structure of a myoglobin molecule. Myoglobin is a protein found in muscle tissue

Oxytocin hormone crystals, LM C016 / 7195
Oxytocin. Polarised light micrograph of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Illustration of chromosome structure

Manganese superoxide dismutase enzyme F006 / 9423
Manganese superoxide dismutase enzyme, molecular model. This enzyme scavenges and decomposes the potentially toxic first reduction product, superoxide, of aerobic respiration

SARS coronavirus protein. Molecular model of the ORF-9b protein produced by the SARS (severe acute respiratory syndrome) coronavirus

Cytochrome b5 molecule C015 / 6696
Cytochrome b5. Molecular model of cytochrome b5 from a cows liver. Cytochrome molecules perform oxidation and reduction reactions for electron transport

Z-DNA tetramer molecule C015 / 6557
Z-DNA (deoxyribonucleic acid) tetramer, molecular model. DNA is composed of two strands twisted into a double helix. This is a tetramer of the molecule, containing four strands

Human chromosomes, SEM C013 / 5002
Human chromosomes. Coloured scanning electron micrograph (SEM) of human chromosomes prepared with the harlequin staining technique

Fragil Leaves
Glass jar with green plants balancing on a stack of shards, creative spring concept. Dina Belenko

Spectral analysis: absorption spectra (colour litho)
3630290 Spectral analysis: absorption spectra (colour litho) by German School, (19th century); Private Collection; (add.info.: Spectral analysis: absorption spectra)

Cretin, woman suffering from congenital iodine deficiency syndome (engraving)
5216874 Cretin, woman suffering from congenital iodine deficiency syndome (engraving) by German School, (19th century); Private Collection; (add.info.: Cretin)

Selman Waksman, Ukrainian-born American biochemist and microbiologist (b / w photo)
6014934 Selman Waksman, Ukrainian-born American biochemist and microbiologist (b/w photo) by American Photographer (19th century) (after); Private Collection; (add.info.: Selman Waksman (1888-1973)

Dead-Nettle - Red & White, 1877. Creator: Frederick Edward Hulme
Dead-Nettle - Red & White, 1877. Dead-Nettle, (Lamium purpureum) herbaceous plant used in biochemistry and white Dead-nettle, (Lamium album) also with chemical properties

Foxglove (Digitalis purpurea) (centre), c1885. Used in traditional herbal medicine, foxgloves are the natural source of digitalin, a powerful cardiac stimulant

Poisonous plants, c1885. As well as the poisonous Black or Common Nightshade (Solanum nigrum) (top left), and Woody Nightshade or Bittersweet (Solanum dulcarama) (top right)

Argonaute protein molecule F006 / 9526
Argonaute protein, molecular model. This protein forms the RNA-induced silencing complex (RISC) along with a small interfering RNA (ribonucleic acid) molecule

TFAM transcription factor bound to DNA C015 / 7059
TFAM transcription factor bound to DNA, molecular model. Human mitochondrial transcription factor A (TFAM, green) bound to a strand of DNA (deoxyribonucleic acid, blue and pink)

Insulin production plant C017 / 9435
Insulin production plant. Worker in the reactor room of a factory producing genetically engineered insulin. Photographed at the Novouralsk Medsintez Plant, Novouralsk, Sverdlov Oblast, Russia

Stylized rabies virus particles, the cause of the viral neuroinvasive disease acute encephalitis

Microscopic view of yellow fever virus. Yellow fever is an acute viral disease

Microscopic view of bacterial pneumonia. Bacterial pneumonia is a type of pneumonia caused by bacterial infection. Pneumonia can be generally defined as inflammation of the lung parenchyma

Microscopic view of Streptococcus pneumoniae, also known as pneumococcus. Pneumococcus is a Gram-positive coccus shaped pathogenic bacteria which causes many types of pneumococcal infections in

Conceptual image of rabies virus

DNA structure, artwork C017 / 7218
DNA structure. Computer artwork showing the structure of a double stranded DNA (deoxyribonucleic acid) molecule (right) and its components (left)

Gel electrophoresis chamber

Teriflunomide multiple sclerosis drug F007 / 0193
Teriflunomide multiple sclerosis drug, molecular model. Atoms are represented as spheres and are colour-coded: hydrogen (white), carbon (grey), oxygen (red), fluorine (dark yellow) and nitrogen (blue)

Argonaute protein and microRNA F006 / 9752
Argonaute protein. Molecular model of human argonaute-2 protein complexed with microRNA (micro ribonucleic acid). This protein is part of the RNA-induced silencing complex (RISC)

Immunoglobulin G antibody and egg white F006 / 9682
Immunoglobulin G and egg white. Molecular model of an immunoglobulin G (IgG) antibody bound to a molecule of egg white. This is the most abundant immunoglobulin and is found in all body fluids

Cytochrome P450 complex F006 / 9669
Cytochrome P450 complex. Molecular model of a complex composed of cytochrome P450, carbon monoxide and camphor. Cytochrome molecules perform oxidation and reduction reactions for electron transport

Succinyl-CoA synthetase enzyme F006 / 9592
Succinyl-CoA synthetase bound to GTP, molecular model. Also known as succinyl coenzyme A synthetase (SCS), this enzyme catalyses the reversible reaction between succinyl-CoA and succinic acid

RNA-induced silencing complex F006 / 9586
RNA-induced silencing complex (RISC), molecular model. This complex consists of a bacterial argonaute protein (top) bound to a small interfering RNA (siRNA) molecule (red and blue)

Foot-and-mouth disease virus F006 / 9556
Foot-and-mouth disease virus. Molecular model of the foot-and-mouth disease (FMD) virus (Aphtae epizooticae) protein coat (capsid)

Adenovirus penton base protein F006 / 9542
Adenovirus penton base protein, molecular model. This protein molecule is a subunit called a penton, forming the vertices of the capsid of this adenovirus

Rhinovirus 16 capsid, molecular model F006 / 9431
Rhinovirus 16 capsid, molecular model. This is human rhinovirus 16. The rhinovirus infects the upper respiratory tract and is the cause of the common cold. It is spread by coughs and sneezes

Citrate acid cycle enzyme F006 / 9305
Citrate acid cycle enzyme. Molecular model of the enzyme dihydrolipoamide succinyltransferase. This enzyme is involved in the citric acid (or Krebs) cycle

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Biochemistry is the fascinating study of the chemical processes and substances that occur within living organisms. In this captivating field, scientists delve into the intricate mechanisms that govern life itself. One intriguing aspect involves anaesthetics inhibiting an ion channel (C015 / 6718), revealing how these compounds can block nerve signals and induce temporary loss of sensation. Another captivating image showcases the structure of an Immunoglobulin G antibody molecule, highlighting its crucial role in our immune system's defense against pathogens. In a mesmerizing light micrograph, EDTA crystals are captured in all their splendor, showcasing their unique geometric patterns. Similarly, another image displays Immunoglobulin G antibody molecules (F007 / 9894) with astonishing detail, emphasizing their ability to recognize and neutralize foreign invaders. The beauty extends beyond static images; it also encompasses dynamic processes. A stunning artwork depicts the cell membrane (C013 / 7467), illustrating its vital function as a barrier and gatekeeper for essential molecules entering or leaving cells. Exploring further into our body's inner workings, we encounter a captivating artwork depicting the blood coagulation cascade (C016 / 9873). This complex series of reactions ensures proper clotting when injuries occur to prevent excessive bleeding. DNA takes center stage in another illustration, showcasing its double helix structure that carries genetic information responsible for traits passed down from generation to generation. Additionally, a microscopic view reveals human respiratory syncytial virus—a reminder of both the beauty and danger found at microscopic levels. Delving deeper into molecular interactions, we witness zinc fingers bound to a DNA strand—an elegant representation of how proteins regulate gene expression by binding specific sequences on DNA molecules. It also sheds light on hormones' crystalline forms—oxytocin hormone crystals (PLM C016 / 7196) demonstrate this phenomenon beautifully while testosterone crystals captivate us under polarized light microscopy (PLM).