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Fixed length and fixed angle drawing; Automatic alignment of figures; Detection of structures, text, and arrows, and their automatic placement; Can automatically draw rings and other structures - has all standard amino acids and nucleic acids in a built-in library; Retrieval of structures from a network database based on CAS number, formula, or ...
ACD/ChemSketch is freeware available for personal, home, and educational use from ACDlabs.It has comprehensive chemical drawing features and can directly connect to PubChem, eMolecules and Chemspider to search these large databases by structure or substructure.
Molecular graphics is the discipline and philosophy of studying molecules and their properties through graphical representation. [1] IUPAC limits the definition to representations on a "graphical display device". [2]
SMILES generation algorithm for ciprofloxacin: break cycles, then write as branches off a main backbone. The Simplified Molecular Input Line Entry System (SMILES) is a specification in the form of a line notation for describing the structure of chemical species using short ASCII strings.
It has also recently become possible to create accurate molecular models inside glass blocks using a technique known as subsurface laser engraving. The image at right shows the 3D structure of an E. coli protein (DNA polymerase beta-subunit, PDB code 1MMI) etched inside a block of glass by British company Luminorum Ltd.
Two populations of cells are cultivated in cell culture.One of the cell populations is fed with growth medium containing normal amino acids.In contrast, the second population is fed with growth medium containing amino acids labeled with stable (non-radioactive) heavy isotopes.
Label-free quantification is a method in mass spectrometry that aims to determine the relative amount of proteins in two or more biological samples. Unlike other methods for protein quantification, label-free quantification does not use a stable isotope containing compound to chemically bind to and thus label the protein. [1] [2]
One way to do this is to export the file to a TIFF as well as a WMF. You can then use the TIFF as a background image to get the label placement as accurate as possible. The process is basically as follows: Draw structure in ChemSketch, clean up, check stereochemistry, etc. Select structure and apply the desired style (several templates are ...