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Totals: 13 Items   65.8 MB 28
README.txt 2013-07-26 4.1 kB 22 weekly downloads
LipidXplorer-1.2.6.zip 2013-07-26 3.2 MB 1212 weekly downloads
LipidXplorer-1.2.5.zip 2013-04-03 3.2 MB 33 weekly downloads
LipidXplorer-1.2.4.zip 2012-07-27 1.6 MB 22 weekly downloads
LipidXplorer-1.2.3.zip 2012-06-20 1.6 MB 11 weekly downloads
LipidXplorer-v1.2.2.zip 2011-12-14 3.6 MB 11 weekly downloads
LipidXplorer-v1.2.1-update.zip 2011-08-05 785.8 kB 11 weekly downloads
LipidXplorer-v1.2.1.zip 2011-08-05 6.8 MB 11 weekly downloads
LipidXplorer-v1.2.1.exe 2011-08-05 6.3 MB 11 weekly downloads
LipidXplorer-v1.2.exe 2011-08-03 6.3 MB 11 weekly downloads
LipidXplorer-v1.1.zip 2011-07-15 13.5 MB 11 weekly downloads
LipidXplorer-v1.0-as_published.exe 2011-01-20 5.8 MB 11 weekly downloads
LipidXplorer-v1.1.exe 2011-01-12 13.2 MB 11 weekly downloads
* LipidXplorer-v1.2.6 - minor bug fixes on the report of Syntax errors - the MS-Tools panel did not work. This is fixed now. - the LXMerge tool is added to the LipidXplorer package - other bug fixes in the import of spectra and the GUI * LipidXplorer-v1.2.5 - new elements: Iodine (I), Sulfur (S), Deuterium (D), heavy carbon C13 (Ci), Chloride (Cl), Lithium 7 (Li), heavy Nitrogen N15 (Ni), Fluorine (F), Potassium (K), Cesium (Cs), Bromine (Br) - precursor ion scan spectra import was corrupted and is fixed again - LipidXplorer can now be started from the command line with lximport.py and lxrun.py - Fixed an error in the *.mzML import. The association of the MS/MS spectra to their precursor mass in survey spectrum was wrong in some minor cases - intensities were wrong when there are peaks in a spectrum which are closer to each other than the resolution allows. This are borderline case which should not occur often. * LipidXplorer-v1.2.4 LipidXplorer is now 64Bit ready. It can be run with Python 2.6 (32/64Bit) and Python 2.7 (64Bit). * LipidXplorer-v1.2.3 see https://wiki.mpi-cbg.de/wiki/lipidx/index.php/News_lipidxplorer_1.2.3 * LipidXplorer-v1.2.2 see https://wiki.mpi-cbg.de/wiki/lipidx/index.php/Main_Page * LipidXplorer-v1.2.1.exe / LipidXplorer-v1.2.1-update.zip The recent version includes important updates on MS/MS scan averaging and the MFQL language. You can just update your installed version by overwriting your LipidXplorer files with the ones from LipidXplorer-v1.2.1-update.zip * LipidXplorer-v1.2.exe The new release of LipidXplorer. With some bugfixes and new functions. See https://wiki.mpi-cbg.de/wiki/lipidx/index.php/LipidXNews The new functions are the ones from 2010-10-11 * LipidXplorer-v1.1.zip This is the newest stable version, published 01-12-2011. It is a zip package for use on Linux or maybe other systems. Please check the LipidXplorer forum for desc ription of the compilation of the calcsf.c module. * LipidXplorer-v1.1.exe This is the newest stable version, published 01-12-2011. It is an installer for win32. * LipidXplorer-v1.0-as_published This is the version which was used for the Genome Biology paper (http://genomebiology.com/2011/12/1/R8). The paper is recommened to read for an introduction in the concept of LipidXplorer. * ==2012-03-16 Issue with the selection window and doubly charged ions== Depending on the used mass spectrometer the window for the selection of the ions which should be fragmented can be quite large. Mostly it is about 1.5 Da. LipidXplorer imports all individual fragment spectra scans and clusters their precursor masses where the clusters have the size of the selection window. The spectra of each cluster are merged with having the average precursor mass as the new precursor mass. The averaged spectra are then associated to the MS spectrum. Thereby, the fragment spectrum is connected to all MS masses which fall into the selection window. I.e. with a selection window of 1.5 Da the fragment spectrum with the precursor mass m/z 747.47 is associated to all MS mass within [747.47 - 0.75, 747.47 + 0.75]. The problem now occurs if those windows overlap. Since LipidXplorer's internal data structure does not support that a MS mass is connected to several fragment spectra, it sorts those MS masses which are within the overlapping windows to the closed of the two average precursor masses. Mostly this is not a problem, because peaks in MS spectra are in average at least 1 Da apart. Often, an overlap does not occur or is not critical. However, with doubly charged ions, the average distance between peaks is 0.5 Da. Then, the overlaps occure much more often and let precursor masses have no associated fragment spectrum. To get around this, it is recommend to set the selection windows in the import to an artificially value which is smaller than the selection window when spectra were acquired. In this way, no data is lost and the all precursor masses are associated to a fragment spectrum.
Source: README.txt, updated 2013-07-26