The University provides downloadable software packages for use on University-owned computers free of charge to staff and students. In some instances, software may also be installed on personal devices.
Chemdraw is a program for pcs or macs that helps you draw molecules and other chemical images such as equations and lab apparatus. Download chemdraw pro for free. Cs chemdraw pro the undisputed standard of chemical structure drawing ; You can add molecules easily, but you can also make lab apparatus using the drawing tools;.
LiGraph. LiGraph  ( ) is an online tool based on the concept of schematic drawings of oligosaccharides to display glycan structures. This tool also renders images of glycans in different notation using a text input. The input for the carbohydrate structure consists of a list of names and connections. The glycan structure is output in the specified notation: either ASCII IUPAC sugar nomenclature or a graph which can be rendered in different themes which include Heidelberg, Oxford, Tokyo, CFG and extended CFG (Figure 4, middle). The output images for the glycan structure and the legends can be saved and downloaded in .svg format. This tool is useful for glycan sketching using text templates, but its shortcomings include a limited number of monosaccharide symbols and restricted compatibility with other input file formats.
GlycanBuilder2. GlycanBuilder2  is a Java-based glycan drawing tool which runs locally as an application on different platforms including Windows, macOS and Linux. It is freely available for downloading at GlycanBuilder2 is a newer version of GlycanBuilder  with additional features. This version is capable of supporting various ambiguous glycans consisting of monosaccharides from plants and bacteria. The tool uses the SNFG notation to display glycan structures. Moreover, this updated version can convert a drawn structure into WURCS sequences for further use as a query for glycan search or registration in databases like GlyTouCan. GlycanBuilder2 provides an excellent interface (Figure 6, top) for glycan drawing. Glycan structures can be drawn manually using the mouse or by importing text input files. The interface provides a list of templates: N- O- glycans, glycosphingolipids, glycosaminoglycans(GAGs). Rows of CFG notations for monosaccharides assist with glycan structure drawing on canvas. The application also supports the glycan symbol notations for the University of Oxford (UOXF) format. The input complies with various linear sequence and text formats. They include GlycoCT, GLYcan structural Data Exchange using Connection Tables (GLYDE-II), Bacterial Carbohydrate Structures DataBase (BCSDB) , carbohydrate sequence markup language (CabosML) , CarbBank , LinearCode , LINUCS, IUPAC-condensed and GlycosuiteDB . The output yields structures in the following formats: GlycoCT, LinearCode, GLYDE-II and LINUCS. Thus, GlycanBuilder2 is a versatile tool which can be used for glycan sketching or building and also as a glycan sequence converter from one format to another.
DrawGlycan-SNFG. DrawGlycan-SNFG  is an open-source program available with a web interface (Figure 7, top) at The same web page gives access to a downloadable, standalone Graphical User Interface (GUI) version of this tool with additional functionality. It can be launched from different platforms including Windows, Mac or Linux. The program can be used to render glycans and glycopeptides using SNFG and uses IUPAC-condensed text inputs. The DrawGlycan-SNFG version with command-line operations makes it more versatile as it allows integration of multiple features of the program using custom scripts. The tool uses automatic operations for the majority of the drawing, which could meet the needs of researchers, but additional intervention may sometimes be required to get the desired output. For example, manual input in IUPAC-condensed language allows to generate, among others: repeating units, adducts, tethering to other structures (represented by text), and complex branching (the examples section showcases these options). The drawn glycan structure can be saved as .jpg image and modified through parameters such as symbol and text size, the thickness of lines, orientation of drawing and spacing. This software provides all the guidance and tools needed to generate high-quality pictures. DrawGlycan-SNFG is a reliable choice for building glycans.
UnityMol/SweetUnityMol. Sweet UnityMol  is a molecular structure viewer (Figure 11, middle) developed from the game engine Unity3D. The software is available for free download ( _1.0.37/) from the SourceForge project website. It can be installed in Mac, Windows and Linux platforms. The program reads files in PDB, mmCIF, Mol2, GRO, XYZ, and SDF formats, OpenDX potential maps and XTC trajectory files. It efficiently displays specific structural features for the simplest to the most complex carbohydrate-containing biomolecules. Sweet UnityMol displays 3D carbohydrate structures with different modes of representation, such as: liquorice, ball-and-stick, hyperBalls, RingBlending, hydrophilic/hydrophobic character of sugar face etc. The most recent version is fully compatible with the SNFG colour coding, which also uses acceptable pictorial representation, generally used in carbohydrate chemistry, biochemistry and glycobiology.
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Thank you for using our software portal. ChemDraw Ultra is a commercial product. Visit the developer's website to purchase and download the program. An attempt to download a free version of ChemDraw Ultra from unknown external sources may be unsafe and in some cases illegal. FDM Lib shall include an option for direct download from developers, should it become available in the future.
In ChemDraw 8, we added the ability to have mutiple drawing settings in a single document. This means that the Apply Document Settings command will only work for things that you draw AFTER applying the settings. If you want to change setting for existing drawings, select the object(s) you want to change, and then use the Object menu to Apply Object Settings. 153554b96e