Qualitative Analysis from Mass Spectra. II
نویسندگان
چکیده
منابع مشابه
Qualitative Analysis II Notes
Application and History It is only within the last 50 years that a chemist may take an unknown sample and obtain an IR, H NMR, C NMR, and within a short amount of time know the class of compound if not the exact chemical structure of the material. Analytical instrumentation is very expensive. Many schools, universities and businesses do not own the necessary instrumentation. Wet analytical test...
متن کاملMass Spectra from Turbulent Fragmentation
Turbulent fragmentation determines where and when protostellar cores form, and how they contract and grow in mass from the surrounding cloud material. This process is investigated, using numerical models of molecular cloud dynamics. Molecular cloud regions without turbulent driving sources, or where turbulence is driven on large scales, exhibit rapid and efficient star formation in a clustered ...
متن کاملOptimal analysis of complex protein mass spectra.
Due to physical and chemical phenomena, a simple sample can give rise to a complex mass spectrum with many more peaks than the number of molecular species present in the sample. We link peaks within and between different spectra, and come up with an advanced analysis approach to produce reliable estimates of the molecule masses and abundances. By linking peaks, we can locate multiple-charge pea...
متن کاملExtracting cluster distributions from mass spectra: IsotopeFit
The availability of high resolution mass spectrometry in the study of atomic and molecular clusters opens up challenges for the interpretation of the data. In complex systems each resolved mass peak may contain contributions from multiple species because of the isotope structure of constituent elements and because a multitude of different types of clusters with different compositions are presen...
متن کاملBayesian Mass Spectra Peak Alignment from Mass Charge Ratios
Proteomics studies based on mass spectrometry (MS) are gaining popular applications in biomedical research for protein identification/quantification and biomarker discovery, especially for potential early diagnosis and prognosis of severe disease before the occurrence of symptoms. However, MS data collected using current technologies are very noisy and appropriate data preprocessing is critical...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BUNSEKI KAGAKU
سال: 1956
ISSN: 0525-1931
DOI: 10.2116/bunsekikagaku.5.224