Results 51 to 60 of about 930,809 (352)

Precision measurement of the 5 2S1/2 - 4 2D5/2 quadrupole transition isotope shift between 88Sr+ and 86Sr+

open access: yes, 2010
We have measured the isotope shift of the narrow quadrupole-allowed 5 2S1/2 - 4 2D5/2 transition in 86Sr+ relative to the most abundant isotope 88Sr+.
G. K. Woodgate   +4 more
core   +1 more source

Isotopes of nearlattices [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1980
Summary: The nature of isotopes of a near lattice is considered. By introducing the notion of a superstandard element n in a near lattice S, it is shown that for a medial element n, the n-isotope \(S_ n\) is a semi-lattice which is also a nearlattice when n is neutral and sesquimedial.
openaire   +4 more sources

Tonic signaling of the B‐cell antigen‐specific receptor is a common functional hallmark in chronic lymphocytic leukemia cell phosphoproteomes at early disease stages

open access: yesMolecular Oncology, EarlyView.
B‐cell chronic lymphocytic leukemia (B‐CLL) and monoclonal B‐cell lymphocytosis (MBL) show altered proteomes and phosphoproteomes, analyzed using mass spectrometry, protein microarrays, and western blotting. Identifying 2970 proteins and 316 phosphoproteins, including 55 novel phosphopeptides, we reveal BCR and NF‐kβ/STAT3 signaling in disease ...
Paula Díez   +17 more
wiley   +1 more source

Identification of karst water inflow sources in the main shaft of Lianhuashan, Jingxiang phosphate mine, Hubei Province

open access: yesShuiwen dizhi gongcheng dizhi
Karst mining areas are characterized by pronounced heterogeneity due to extensive karst development, making them particularly susceptible to water inrush and groundwater contamination during deep extension mining.
Si XU   +5 more
doaj   +1 more source

Machine learning for identifying liver and pancreas cancers through comprehensive serum glycopeptide spectra analysis: a case‐control study

open access: yesMolecular Oncology, EarlyView.
This study presents a novel AI‐based diagnostic approach—comprehensive serum glycopeptide spectra analysis (CSGSA)—that integrates tumor markers and enriched glycopeptides from serum. Using a neural network model, this method accurately distinguishes liver and pancreatic cancers from healthy individuals.
Motoyuki Kohjima   +6 more
wiley   +1 more source

Nature versus nurture? Consequences of short captivity in early stages

open access: yesEcology and Evolution, 2018
Biological changes occurring as a consequence of domestication and/or captivity are not still deeply known. In Atlantic salmon (Salmo salar), endangered (Southern Europe) populations are enhanced by supportive breeding, which involves only 6 months of ...
Jose L. Horreo   +5 more
doaj   +1 more source

Homomolecular and Isotopic Exchange Reactions by Catalyst

open access: yesJournal of Isotopes, 2016
It is widely used in the light-isotopes enrichment by distillation, such as H2, O2, N2, CO, etc. It can not get high abundance of isotopes in the late stage of enrichment for these two-atom include two isotopes, and it needs to add a reaction conversion ...
LONG Lei, LI Hu-lin, ZHOU Jian-yue
doaj   +1 more source

Artefacts in Field Trial Research—Lateral Ammonia Fluxes Confound Fertiliser Plot Experiments

open access: yesAgriculture, 2023
Agricultural ammonia (NH3) emissions can have serious environmental impacts, lower fertiliser nitrogen-use efficiencies, and cause economic losses. NH3 losses may not only occur directly from organic fertilisers such as biogas digestates when applied to ...
Karin S. Levin   +4 more
doaj   +1 more source

Isotope shift calculations for atoms with one valence electron

open access: yes, 2003
This work presents a method for the ab initio calculation of isotope shift in atoms and ions with one valence electron above closed shells. As a zero approximation we use relativistic Hartree-Fock and then calculate correlation corrections.
A-M. Mårtensson-Pendrill   +37 more
core   +1 more source

Isotope Shift Measurements of Stable and Short-Lived Lithium Isotopes for Nuclear Charge Radii Determination [PDF]

open access: yes, 2010
Changes in the mean-square nuclear charge radii along the lithium isotopic chain were determined using a combination of precise isotope shift measurements and theoretical atomic structure calculations.
A. Dax   +28 more
core   +3 more sources

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