Temporal Variation of N Isotopic Composition of Decomposing Legume Roots and Its Implications to N Cycling Estimates in N15 Tracer Studies in Agroforestry Systems by Riina Jalonen, Jorge Sierra

“…Several studies have shown that its isotopic signature (δ15N) may change after tree pruning, which makes it difficult to study below-ground N inputs from pruned trees by isotopic techniques. …”
Get full text

Quantifying the sources and health risks of groundwater nitrate via dual NO isotopes and Monte Carlo simulations in a developed planting-breeding area by Jianwei Liu, Shuo Qiao, Shilong Zhao, Hui Chen, Yong Wu, Donghao Li, Ping Liu, Ling Li

Subjects: Get full text

Distribution of Trace Elements, Sr-C Isotopes, and Sedimentary Characteristics as Paleoenvironmental Indicator of the Late Permian Linxi Formation in the Linxi Area, Eastern Inner Mongolia by Linlin Wang, Yongsheng Zhang, Enyuan Xing, Yuan Peng, Dongdong Yu

“…The sediment assemblages, rare Earth elements, trace elements, and 87Sr/86Sr and C isotopes of the formation indicate that the Linxi Formation formed in a marine sedimentary environment and occasional marine-terrestrial transitional facies. …”
Get full text

Characterization of Recharge Mechanisms and Sources of Groundwater Salinization in Ras Jbel Coastal Aquifer (Northeast Tunisia) Using Hydrogeochemical Tools, Environmental Isotopes, GIS, and Statistics by Jamila Hammami Abidi, Boutheina Farhat, Abdallah Ben Mammou, Naceur Oueslati

“…The major ion hydrochemistry and environmental isotope composition (δ18O, δ2H) were investigated to identify the recharge sources and processes that affect the groundwater salinization. …”
Get full text

Chemical and Noble Gas Isotope Compositions of Formation Gases from a 3 km Deep Scientific Borehole in the Koyna Seismogenic Zone, Western India by Nagaraju Podugu, Satrughna Mishra, Thomas Wiersberg, Sukanta Roy

“…Air-corrected helium isotope ratios indicate that helium is a mixture of atmospheric and crustal radiogenic components but no mantle contribution within 2σ analytical uncertainties.…”
Get full text

Geographical origin traceability of kiwifruit products using stable isotope and multi-element analysis with multivariate modeling: Feature extraction, selection of model and variable, and discrimination by Wang Shuanhui, Chen Chang, Tian Jing, Liu Zhi, Mei Xianxian, Zhou Jialu, Wang Dongguang, Zhu Shaohua

Subjects: Get full text

New evidence on the Late Bronze – Early Iron Age human nutrition in the Crimea (northern Pontic Region) based on the stable isotope analysis and radiocarbon dating by Kulkova Marianna A., Kashuba Maya N., Kulkov Aleksandr M., Kozhukhovskaya Yuliya V., Tikhomirov Vitaliy A., Streltsov Mihail A.

Subjects: Get full text

A local meteoric water line for interior Alaska constrains paleoclimate from 40 000 year old relict permafrost by Thomas A Douglas, Amanda J Barker, Alistair J Monteath, Duane G Froese

Subjects: Get full text

Multi-Isotope Geochemical Baseline Study of the Carbon Management Canada Research Institutes CCS Field Research Station (Alberta, Canada), Prior to CO2 Injection by Rachel E. Utley, Emma Martin-Roberts, Nicholas Utting, Gareth Johnson, Domokos Györe, Marta Zurakowska, Finlay M. Stuart, Adrian J. Boyce, Thomas H. Darrah, Pauline Gulliver, R. Stuart Haszeldine, Don Lawton, Stuart M. V. Gilfillan

Subjects: “…isotopes…”
Get full text

Iodine-131 Combined With Plasma Exchange Treatment in Graves’ Hyperthyroidism Patients With Severe Liver Injury Whose Average Model for End-Stage Liver Disease Scores >20 by Xin-Fang Zhu, Rong-Rong Ding, Bing-Yao Wang, Yun-hui Yang, Fu-Xia Ta, Yuan Wang, Qing-Mei Gao, Qi Zhang, Rong Xia, Xing-Guang Luo, Xuan Wang, Jian-Ming Zheng, Hui-Qing Zhu

Subjects: Get full text

Investigation of Borrow Pit TEA28 BP3, Fenstanton, Cambridgeshire, UK by W.A. Boismier, E. Allison, C. Ardis, R. Banerjea, C.R. Batchelor, P. Dark, K. Dudgeon, C.P. Green, E. Henderson, J. Ladocha, J. Weinstock, D.S. Young, J.-L. Schwenninger

Subjects: Get full text

Natural gas origin and accumulation of the Changxing–Feixianguan Formation in the Puguang area, China by Li Songfeng, Liu Xiaoxia, Zhang Peixin, Zhao Yinan

Subjects: “…carbon isotope…”
Get full text

Morphological change in an isolated population of red squirrels (Sciurus vulgaris) in Britain by Kim E. Chandler, Eloy Gálvez-López, Stuart Black, Andrew C. Kitchener, Kat Hamill, Bethan Roberts, Sean Doherty, Philip G. Cox

Subjects: Get full text

Zinc absorption from maize-based meals enriched with edible house crickets: a randomized crossover stable-isotope study in Kenyan pre-school children by Nikolin Hilaj, Tele Boit, Pauline Andang’o, Christophe Zeder, Martin N. Mwangi, Marijke Hummel, Ornella Necochea Velazco, Joop J. A. van Loon, Marcel Dicke, Michael B. Zimmermann, Alida Melse-Boonstra

“…For this, children were randomized to consume two different experimental meals labeled with stable isotopes of zinc (Zn) at two different days, separated by a wash-out period of one month. …”
Get full text

Assessment of Soil Organic and Inorganic Carbon Under Afforestation and Natural Vegetation Restoration Using Stable Carbon Isotope (δ¹³C) Measurements by Mengyao Wu, Yaru Zhao, Hui Li, Wenchang Ma, Yang Gao

Subjects: Get full text

Diagnosis of Gestational Diabetes Mellitus with Point-of-Care Methods for Glucose versus Hospital Laboratory Method Using Isotope Dilution Gas Chromatography-Mass Spectrometry as Reference by Karl Kristensen, Anne-Marie Wangel, Anastasia Katsarou, Nael Shaat, David Simmons, Helena Fadl, Kerstin Berntorp

“…The aim of this study was to compare the diagnostic performance of the HemoCue Glucose 201+ (HC201+) and RT (HC201RT) systems with that of the hospital central laboratory hexokinase method (CL) based on lyophilized citrate tubes, using the isotope dilution gas chromatography-mass spectrometry (ID GC-MS) as reference. …”
Get full text

Nuclear Level Density Parameters of Pb203-209 and Bi206-210 Deformed Target Isotopes Used on Accelerator-Driven Systems in Collective Excitation Modes by Şeref Okuducu, Nisa N. Aktı, Sabahattin Akbaş, M. Orhan Kansu

“…The nuclear level density parameters of some deformed isotopes of target nuclei (Pb, Bi) used on the accelerator-driven subcritical systems (ADSs) have been calculated taking into consideration different collective excitation modes of observed nuclear spectra near the neutron binding energy. …”
Get full text

Contribution des isotopes du calcium à la compréhension des méthodes de subsistance des néandertaliens des Pradelles (Marillac-le-Franc, France) by Pierre-Jean Dodat, Vincent Balter, Alann Eugene Mann, Bruno Maureille

Get full text

Authenticity Assessment of (E)-Cinnamic Acid, Vanillin, and Benzoic Acid from Sumatra Benzoin Balsam by Gas Chromatography Combustion/Pyrolysis Isotope Ratio Mass Spectrometry by Deshou Mao, Liu Hong, Lei Fu, Zhiyu Li, Jianhua Chen, Chengming Zhang, Yiqin Wu, Wen Xiong, Jin Wang

“…Authenticity assessment of (E)-cinnamic acid, vanillin, and benzoic acid from various origins (n = 26) was performed using gas chromatography-isotope ratio mass spectrometry coupled with combustion and pyrolysis mode (GC-C/P-IRMS). …”
Get full text

Formation of Adaptive Trophic Niches of Euryphagous Fish Species in Response to Off-Seasonal Water Level Regulation in Hongze Lake by Si Luo, Zexin Wang, Shengyu Zhang, Huan Mu, Yubin Jiao, Xiao Qu, Qishuo Wang, Ruiqi Yang, Yanxia Zuo, Shiyu Jin

Subjects: Get full text