ライフサイエンスコーパス: parent ion

1 give simple PI mass spectra dominated by the parent ion.

2 achment of electrons or fragmentation of the parent ion.

3 istinguish CAD and IRMPD spectra for a given parent ion.

4 er of returning times of the electron to the parent ion.

5 s depends greatly on the charge state of the parent ion.

6 sociation (CAD) patterns of their protonated parent ions.

7 intermediates structurally distinct from the parent ions.

8 ctrometry that produces predominantly [M+H]+ parent ions.

9 phate on serine 198 (Ser198) was detected as parent ion 966.4 Da.

10 es that are coincident with their antecedent parent ions, allowing the origin of all fragments formed

11 proton-transfer reactions involving protein parent ions allows for the formation of a wide range of

12 of 2 showed the K[Sn(9)Pt(2)(PPh(3))](1)(-) parent ion, an oxidized [Sn(9)Pt(2)(PPh(3))](1)(-) ion,

13 s of BMAA, that analysis by detection of the parent ion and daughter ion fragmentation patterns are h

14 2)-diene, via selected ion monitoring of the parent ion and the P-15 and C-ring fragment ions, compar

15 was used at each stage of MS(n) to isolate a parent ion and up to four reference ions, for exact-mass

16 a result of the fact that MS/MS spectra for parent ions and all fragment ions are acquired under the

17 Active ingredients were identified from the parent ions and fragment ions formed from each sample, a

18 , the glycated peptides were selected as the parent ions and fragmented at higher collision energy to

19 ere used to manipulate charge states of both parent ions and product ions for the purpose of concentr

20 -) salts that give similar Sb@Ni12@Sb20(-/+) parent ions and Sb@Ni12-y@Sb20-x(-/+) degradation series

21 The intensities of these two parent ions are dependent on their chemical structures a

22 f approximately 4 keV, indicating that their parent ions are pickup ions energized by the termination

23 ced dissociation (CID) on the charge-reduced parent ion as it is formed during electron capture disso

24 roduct ion fragments generated from a common parent ion associated with the isomers for quantitation.

25 Thus, using the same CID parameters, the parent ion can be activated to higher levels of internal

26 atterns showed a much stronger dependence on parent ion charge state with ion trap CID than with beam

27 allows for the formation of a wide range of parent ion charge states.

28 -2MALET) were investigated, and we report on parent ions, collision induced dissociation (CID) fragme

29 plays between the returning electron and its parent ion core.

30 At longer delay times, parent ions depletion is mainly determined by a slow dec

31 trative data are presented for the +4 and +3 parent ions derived from electrospray of melittin and th

32 e isolation waveform during selection of the parent ion for tandem mass spectrometry experiments, mak

33 and simplified spectra due to singly charged parent ions, for large peptides.

34 ith the indirect ionization leads to reduced parent ion fragmentation.

35 ct ion is encoded with a ratio unique to the parent ion from which it was formed.

36 es the monoisotopic mass and charge state of parent ions from high-resolution tandem mass spectrometr

37 reflected in the kinetic energy lost by the parent ion in the formation of different product ions.

38 zed area abundance factor (NAAF), normalized parent ion intensity abundance factor (NIAF), and the no

39 s based on chromatographic peak area (NAAF), parent ion intensity in MS1 (NIAF), and fragment ion int

40 In ECD+CID, the charge-reduced parent ion is selectively activated using resonant excit

41 tion/ionization mass spectrometry revealed a parent ion (M - H)- at m/z 1626.0, consistent with the a

42 g a mono-phosphorylated Kdo-lipid IVA with a parent ion (M - H)- at m/z 1703.9.

43 gas pressure (0 psi), and isolation width of parent ion (m/z value = 3).

44 ndrostanedione required detection of a novel parent ion, [M + 15](+).

45 ve ESI spectra of the twelve HBQs formed two parent ions, [M + H(+) + 2e(-)], and the radical M(-*).

46 h the unique elemental formula of the lowest parent ion mass (<500 Da).

47 e backbone fragmentation is accompanied by a parent ion mass loss, which is unique to the modifying q

48 Optimal parent ion mass tolerance values can be determined using

49 As a result of setting narrower parent ion mass tolerances to reflect the better resolut

50 ) between the genetically related sequential parent ion masses in the MS(n) spectra, with the unique

51 he neutral loss monitoring of 59 amu and the parent ion monitoring of m/z 85 are shown to be capable

52 the purpose of concentrating charge into the parent ion of interest and to reduce the product ion cha

53 ifferentiate the unknown peaks with the same parent ion of m/z 463 and collision-induced dissociation

54 m electrospray of melittin and the +12 to +4 parent ions of bovine ubiquitin, whereby product ions we

55 The parent ions of human hemoglobin beta-chain ranging in ch

56 spectral ACPI-MS data set were related with parent ions or fragments of alkyesters, carbonyl compoun

57 n parking was used to increase the number of parent ions over that yielded by electrospray.

58 remains unidentified because of the lack of parent ion preservation.

59 ct ion spectra derived from multiply charged parent ions, product ions have been subjected to proton-

60 and an ester fatty acid from the muraymycin parent ions provided diagnostic fragments for characteri

61 on-induced dissociation, some of an incident parent ion's kinetic energy is converted into internal e

62 anoelectrospray tandem mass spectrometry and parent ion scanning to identify the tyrosine residues th

63 Furthermore, the detection of predominantly parent ion signal from anthracene particles demonstrates

64 ionization, especially in that a substantial parent ion signal is always observed.

65 with the negative ion spectra showing strong parent ion signal which complemented that observed by LD

66 nergy photons at 12.5 eV produce significant parent ion signal, but fragment intensity and other low

67 ct ion spectra derived from multiply charged parent ions significantly extends the size range of macr

68 SI-MS/MS revealed significant differences in parent ion stabilities and fragmentation rates as a func

69 To determine the parent ion structure associated with fragment ion peaks,

70 ion detection gave the optimum generation of parent ions that can be used for molecular weight determ

71 the fragments arising from several different parent ions to be assigned.

72 ose less than about one-third the m/z of the parent ion, to be observed.

73 s for both singly and doubly charged peptide parent ions up to 2000 u in mass.

74 The nature of this parent ion was explored, and the method was applied to p

75 However, the intensity of high-mass parent ions was usually low and limited the sensitivity

76 The parent ions were fragmented by SORI-CID and the product

77 tagged hexapeptide Anth-GAPKSC exhibits the parent ion, whereas the Benz- and Naph-tagged peptides d

78 ers formed single unique [M + H](+) (199 Da) parent ions, whereas in MALDI each isomer shows signific

79 ooling due to the helium is fast enough, the parent ion will be actively cooled before fragmentation

80 is = 2.0 for producing ionized 2-hexene from parent ions with the lowest internal energies).

81 In isolation, the hot parent ion would undergo subsequent fragmentation.