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Welcome!
Welcome to the Analytical Chemistry Forums! We are pleased to announce that the new forum area is up and running. We have also upgraded to the latest version of MarvinSketch. The new version is much improved; although, it takes a little longer to load. So look around and enjoy your stay.
New forum topics
- Old Dionex
- A question about mixing energy (G)
- I have a question about pH
- The comparison between PS-OBG-Mw and Shodex P-82
- Losing Current
- Old Dionex Fluorescence Detector
- Does the flow rate change ?
- What is the flow rate
- i have a question about chemical dilution
- US-MA-Cambridge: Senior QA Specialist
- Hi There I am LCMS expert exclusively for food and drug
- Can I use 0.7% perchloric acid in the mobile phase on ESI MS
- Using MS Access for data management?
- ELSD
MarvinSketch
MarvinSketch, a powerful chemical structure drawing tool, is now available for your use right in your web browser. You can draw structures, export structures to various formats, perform optimizations, and more. The applet requires java, and loads in around 15 seconds on a high speed connection.
Buffer Calculator
Calculate the composition of your buffer the easy way! Try our buffer calculator.
Unit Conversions
Convert between units of mass, volume, length, pressure, energy, flow and more! Check out our unit conversion tool.
Mass Spectrometry
- Semiquantitative Multielemental Analysis of Biological Samples by a Laser Ionization Orthogonal Time-of-Flight Mass Spectrometer.
- A Density Functional Theory (DFT) Study on Gas-Phase Proton Transfer Reactions of Derivatized and Underivatized Peptide Ions Generated by Matrix-Assisted Laser Desorption Ionization.
- Differential quantitative proteomics of Porphyromonas gingivalis by linear ion trap mass spectrometry: non-label methods comparison, q-values and LOWESS curve fitting.
- Peak deconvolution in high-field asymmetric waveform ion mobility spectrometry (FAIMS) to characterize macromolecular conformations.
- Formation of hydrated triply charged metal ions from aqueous solutions using nanodrop mass spectrometry.
- UC/MALDI-MS analysis of HDL; evidence for density-dependent post-translational modifications.
- Protein-Sequence Polymorphisms and Post-translational Modifications in Proteins from Human Saliva using Top-Down Fourier-transform Ion Cyclotron Resonance Mass Spectrometry.
- Fragmentation of doubly-protonated peptide ion populations labeled by H/D exchange with CD(3)OD.
- A novel high-capacity ion trap-quadrupole tandem mass spectrometer.
- The contributions of mass spectrometry to understanding of immune recognition by T lymphocytes.
- Processing MALDI Mass Spectra to Improve Mass Spectral Direct Tissue Analysis.
- Comparative Bioinformatics Analyses and Profiling of Lysosome-Related Organelle Proteomes.
Spectroscopy
- Terahertz Pulsed Imaging for Nondestructive Testing of Pharmaceutical Products
- USP <1058> Analytical Instrument Qualification and Its Impact
- Ion Mobility-Mass Spectrometry: A Tool for Characterizing the Petroleome
- The Seven Base Units: Part II
- Terahertz Pulsed Imaging for Nondestructive Testing of Pharmaceutical Products
- Development of Mass Spectrometry in the United States: The First 50 Years
- Hyphenated ICP-MS Techniques for Speciation Analysis
- 2009 Salary Survey: Salaries and Stress on the Rise
- Spectroscopy: Enduring During Uncertain Times
- Raman Spectroscopy for Biomedical Applications
Chromatography
Latest Articles in Sample Preparation:
