Facets

1937 CE

#12831

A new apparatus for electrophoretic analysis of colloidal mixtures.

Between 1931 and 1937, with financial support from the Rockefeller Foundation, Tiselius developed his "Tiselius apparatus" for moving boundary electrophoresis. In this paper he demonstrated that electrophoresis separa…

1980 CE

#8175

Applications of artificial intelligence for organic chemistry: The Dendral project.

1956 CE–1960 CE

#86.4

Collected papers of Paul Ehrlich. Compiled and edited by F. Himmelweit. 3 vols.

Vol. I: Histology, biochemistry, and pathology, Vol. 2: Immunology and cancer research; Vol. 3: Chemotherapy. Most texts are in German. English translations are also published when available. The set includes new Engl…

1981 CE

#14183

Computer averaging of electron micrographs of the 405 ribosomal subunit.

Frank and colleagues developed a method that allows sorting of particle images into classes based on their orientation, as well as their structural features. Specifically Frank developed mathematical tools used for im…

2003 CE

#14300

Design of a novel globular protein fold with atomic-level accuracy.

Called, "the breakthrough in computational de novo protein design." This was the proof of concept paper that computers and AI could be used to predict protein structures accurately and much faster than with convention…

1937 CE

#12832

Electrophoresis of serum globulin. II- Electrophoretic analysis of normal and immune sera.

Tiselius showed that an antibody that he produced in a rabbit by immunizing it with albumin (ovalbumin) was clearly located in the gamma globulin fraction. He summarized the paper with this statement: "Investigation o…

2021 CE

#14026

Highly accurate protein structure prediction with AlphaFold.

Abstract: "Proteins are essential to life, and understanding their structure can facilitate a mechanistic understanding of their function. Through an enormous experimental effort1,2,3,4, the structures of around 100,0…

1964 CE

#8174

HPP-64-1 DENDRAL-64-A system for computer construction, enumeration and notation of organic molecules as three structures and cyclic graphs. Interim report to the National Aeronautics and Space Administration, December 15, (1964).

DENDRAL is considered the first expert system because it automated the decision-making process and problem-solving behavior of organic chemists. The project consisted of research on two main programs, Heuristic Dendra…

1934 CE

#9340

I. Un nouveau type de radioactivité. II. Séparation chimique des nouveaux radioéléments émetteur d’électrons positifs.

Discovery of artificially produced radionuclides or radioisotopes. In February 1934, the Joliot-Curies reported the first artificial production of radioactive material after discovering radioactivity in aluminum foil …

1912 CE

#6917

Interferenz-Erscheinungen bei Röntgenstrahlen. . . . Eine quantitative Prüfung der Theorie für die Interferenz-Erscheinungen bei Röntgenstrahlen

Discovery of the diffraction of X-rays in crystals. Laue’s discovery was of dual importance: it allowed the subsequent investigation of X-radiation by means of wavelength determination, and it provided the means…

1935 CE

#2524.5

Isolation of a crystalline protein possessing the properties of tobacco-mosaic virus.

Stanley first crystallized a virus— tobacco mosaic virus. The following year Bawden, Pirie, Bernal and Fankuchen (No. 12005) showed that tobacco mosaic virus molecules are asnisometric and consist of ribonucleop…

1990 CE

#14340

Phage antibodies: Filamentous phage displaying antibody variable domains.

Working in the Laboratory of Molecular Biology at Cambridge University, Winter became interested in the idea that all antibodies have the same basic structure, with only small changes making them specific for one targ…

1924 CE

#9334

Radiochemical method of studying the circulation of lead in the body.

First application of radioactive tracers in animals, specifically rabbits and guinea pigs. See also Hevesy et al, "Radiochemical method of studying the circulation of bismuth in the body," C. R. Acad. Sci. (Paris) 178…

1968 CE

#13935

Reconstruction of three-dimensional structures from electron micrographs.

Klug and deRosier invented methods for two-dimensional and three-dimensional digital image processing of electron microscope images. The latter method provided the theory behind the development of computed tomography …

1898 CE

#2003

Sur une substance nouvelle radio-active, contenue dans la pechblende.

The Curies, studying the radioactivity of minerals containing uranium and thorium, isolated from pitchblend a substance which they called radium and which they showed to possess an astonishing degree of radioactivity.…

1923 CE

#9333

The absorption and translocation of lead by plants: A contribution to the application of the method of radioactive indicators in the investigation of the change of substance in plants.

The first application of radioactive tracers in biological studies. Digital facsimile from PubMedCentral at this link. Hevesy received the 1943 Nobel Prize in Chemistry "for his work on the use of isotopes as tracers …

1955 CE

#6928

The crystal structure of the hexacarboxylic acid derived from B12 and the molecular structure of the vitamin.

The final structure of vitamin B12. With J. Pickworth, J.H. Robertson, K.N. Trueblood, R.J. Prosen, J. G. White. In 1964 Hodgkin was awarded the Nobel Prize in Chemistry "for her determinations by X-ray techniques of …

1926 CE

#14025

The isolation and crystallization of the enzyme urease.

Sumner first isolated and crystallized an enzyme (urease) and proved that enzymes are proteins. One month after publication of the above paper Sumner reinforced his discovery by recrystalizing urease, publishing a fol…

1930 CE

#12830

The moving boundary method of studying the electrophoresis of proteins. (Nova Acta Reg. Soc. Scient. Upsaliensis, IV, 7, No. 4.)

Tilesius's doctoral dissertation introduced the laboratory technique of moving-boundary electrophoresis, a technique for separation of chemical compounds by electrophoresis in free solution. For this work, and the wor…

1975 CE

#14182

Three-dimensional model of purple membrane obtained by electron microscopy.

The invention of Cryogenic electron microscopy (cryo-EM). The novel technique was achieved by "by applying the method to tilted specimens, and using the principles put forward by De Rosier and Klug (GM - 13935), for t…

1861 CE

#1107

Untersuchungen über den Bau der Lymphdrüsen.

Histology of the lymphatics. His drew the illustrations.

1934 CE

#6923

X-Ray photographs of crystalline pepsin.

Bernal and Hodgkin took the first X-ray photograph of a protein structure—crystalline pepsin. They showed that crystals of pepsin give an X-ray diffaction pattern, beginning protein crystallography. This may als…

1932 CE

#6918

X-ray studies of the structures of hair, wool, and related fibres. I. General.

Astbury, a student of William Lawrence Bragg, was the first to study proteins by X-ray analysis. He applied X-ray analysis to the structure of hair, wool, and related fibers, of which the protein keratin is the princi…