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Generally the major peak with the largest m/z is the molecular ion peak that has a charge of +1, corresponding to the loss of a single electron.
The calcite concentration (∼45 moles/m3) at the mouth of Ganga river shows a major peak with the onset of monsoon season (June–July) followed by a maxima in chlorophyll-a with a time lag of 1 2 months.
One major peak with a retention time identical to that of authentic [18F]FDOPA (3.8 min) was detected in the plasma from the rat pretreated with carbidopa and entacapone.
High-resolution mass spectrometry of the product showed one major peak with the molecular weight (28724) expected for the THP-mal-J591c-scFv conjugate as well as residual unmodified protein (Additional file 1: Table S1 and Figure S1), together with trace amounts of unconjugated non-covalent or disulfide-linked dimer (55607.7) as observed for the unconjugated protein.
Among them, R1 and R2 come together to form a major peak with a FWHM range from residues 387 to 480 (Fig. 4, panels A and E).
Comparison of the elution volume of the major peak with that of protein standards of known size allows an estimation of the molecular mass of the BmrC/BmrD detergent complex of ∼310 kDa (more precisely the Stokes' radius RS is ∼6.1 nm).
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The resulting chromatogram contained three major peaks with retention times of 25.29, 29.12, and 31.25 min, identical to those of the derivatives of d-xylose, d-galactose and d-glucuronic acid.
However, the interpretation power of target analysis can be magnified significantly if we harness the full informational potential (GCtimes GC): combining the well-known characteristics of target biomarkers (major peaks) with the lesser known nuances of non-target biomarkers (minor peaks), which occupy the breadth of the intricate (GC times GC) topography.
Activity eluted as two major peaks with apparent mol.
Analysis of quality of EtOAc fraction using HPLC fingerprint showed six major peaks with different retention times.
A 1D spectrum of (GCG AGUGC 2 has five major peaks with chemical shifts consistent with wobble GU and imino AG pairs.
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