Results 51 to 60 of about 185,266 (167)

Production of 161Tb Radionuclide

Journal of Isotopes
Targeted radionuclide therapy (TRT)，the use of radiopharmaceuticals to target and irradiate tumour cells，has become an important method for cancer treatment.
Ruyu WANG, Yanjun LI, Songbai ZENG, Wenming HE, Sifan LEI, Yong HUANG   +5 more
doaj   +1 more source

Stable Isotope Analysis of Pleistocene Proboscideans from Afar (Ethiopia) and the Dietary and Ecological Contexts of Palaeoloxodon

Quaternary
The timing, cause, and magnitude of mammalian extinctions during the African Middle Pleistocene remain largely unresolved. The demise of Elephas/Palaeoloxodon recki, a lineage that had a great geographic and temporal span, represents a particularly ...
Julie Luyt, Yonatan Sahle, Deano Stynder
doaj   +1 more source

Isotope Effect and Isotope Separation

Nippon kagaku zassi, 1968
同位体物質の換算分配関数比の値を, 量子統計論に基づき, 分子振動スペクトルからの知見を用いて算定した。これらの結果は同位体分離の研究に一つの基礎を与える。同位体物質が二相に分配するとき, 化学反応が同位体の分離効果にどのような影響をおよぼすかについて理論的な考察(二相分配理論) を行なった。導出された基礎式から, どのような系がもっとも分離効果が大きいかを知ることができる。二三の簡単な系について, この理論を展開した。さらにイオン交換樹脂を用いて, 実際にリチウム, 窒素, 銅, ウラン同位体の分離実験を行ない, 相分配理論によって解析を試みた。
openaire   +2 more sources

El Niño Intensified Fog Formation in the Namib Desert

Earth's Future
Despite the importance of fog as a supplementary moisture source in many dryland ecosystems, little is known about the effects of global climate change and natural climate variability on fog regimes.
Yue Li, Lixin Wang, Carlynn J. Diersing, Na Qiao, Yi Liu, Gillian Maggs‐Kölling, Eugene Marais   +6 more
doaj   +1 more source

Where Typhoeus lived: 87Sr/86Sr analysis of human remains in the first Greek site in the Western Mediterranean, Pithekoussai, Italy

iScience
Summary: The archaeological heritage of Pithekoussai offers a unique insight into the dynamics of human mobility and biocultural interactions at the dawn of the Magna Graecia during the Iron Age Mediterranean.
Melania Gigante, Carmen Esposito, Federico Lugli, Alessandra Sperduti, Teresa Elena Cinquantaquattro, Bruno d’Agostino, Alessia Nava, Wolfgang Müller, Luca Bondioli   +8 more
doaj   +1 more source

Stable Isotope Composition of Skin Layers Confirms Trophic Differentiation of Baird's and Sato's Beaked Whales (Berardius spp.) in the Western North Pacific. [PDF]

Rapid Commun Mass Spectrom
Filatova OA, Fedutin ID, Bobyr IG, Titova OV, Ragimov MO, Hoyt E, Tsurikov SM, Tiunov AV.   +7 more
europepmc   +1 more source

Three New Calcium Formate Reference Materials for δ¹³C Measurements and a Redetermination of the R(¹³C/¹²C) Ratio for VPDB Based on Proton Nuclear Magnetic Resonance Measurements. [PDF]

Rapid Commun Mass Spectrom
Hoffman DW, Rasmussen C, Schimmelmann A, Reid LT, Qi H, Coplen TB.   +5 more
europepmc   +1 more source

Cryogen-Aided Chromatographic Purification of Millimole Quantities of Methane for Spectroscopic Clumped Isotope Analysis. [PDF]

Rapid Commun Mass Spectrom
Kueter N, Meissner JGC, Zhang N, Msonnereau L, Emmenegger L, Mohn J, Bernasconi SM.   +6 more
europepmc   +1 more source

Isotope Decluttering Reduces Spectral Complexity while Maintaining Protein Structure. [PDF]

Anal Chem
Hakke SS, Noteborn WEM, Cabukusta B, Gao Y, Knoops K, López-Iglesias C, Kilgour DPA, Clarke DJ, Mathew A, Heeren RMA.   +9 more
europepmc   +1 more source

Isotopic Fractionation and Masking Effects during Biotransformation of Chlorinated Ethanes. [PDF]

Environ Sci Technol
Phillips E, De Vera J, Kümmel S, Bulka O, Chen W, Edwards E, Nijenhuis I, Gehre M, Sherwood Lollar B.   +8 more
europepmc   +1 more source