Results 61 to 70 of about 260,704 (287)

Determination of Trace Elemental Composition of CaCO3: Application to Mass Limited Abiogenic and Biogenic Carbonates

Geochemistry, Geophysics, Geosystems
An improved method for accurate and precise determination of metal to calcium ratio in mass limited calcium carbonate samples has been developed. We used an Agilent®5800 ICP‐OES for major element (Na/Mg/Sr to Ca) and an Agilent®8900 ICP‐QQQ‐MS for minor ...
I. V. Satya Chanakya, Sambuddha Misra
doaj   +1 more source

Multi-energy calibration in plasma emission spectrometry: elemental analysis of animal feeds

Frontiers in Analytical Science
This study evaluates the effectiveness of Multi-Energy Calibration (MEC) for multielemental analysis in animal feeds using plasma-based optical emission spectrometry (ICP-OES and MIP-OES).
Florencia Cora Jofre, Florencia Cora Jofre, Ariane I. Barros, Joaquim A. Nóbrega, Marianela Savio, Marianela Savio   +5 more
doaj   +1 more source

Determination of some trace elements with ICP-OES in Hirfanlı dam lake

Gazi Üniversitesi Fen Bilimleri Dergisi, 2020
In this study, ICP-OES was used to determine trace elements in Hirfanlı Dam Lake, which was established on Kızılırmak. Water samples were taken from polyethylene bottles from different parts of Hirfanlı Dam Lake by adding two milliliters of HCl.
Şükrü KALAYCI
doaj   +1 more source

Iron‐Mediated Release of Aged Dissolved Organic Carbon From Waterlogged Peatland Under Warming

Advanced Science, EarlyView.
This study conducts a five‐year in situ warming experiment in high‐altitude peatlands to examine dissolved organic carbon (DOC) release. The study shows that warming promotes the release of plant‐derived modern DOC in drained peatlands, but amplifies aquatic export of century‐old DOC from waterlogged peatlands via Fe‐mediated DOC mobilization—a ...
Guohua Dai, Zhiying Yang, Zongguang Liu, Wanjia Hu, Lixiao Ma, Enze Kang, Wanqing Luo, Yunpeng Zhao, Chengzhu Liu, Juan Jia, Ting Liu, Chen He, Quan Shi, Jianliang Liu, Yongheng Gao, Huai Chen, Hailong Zhang, Meixun Zhao, Xiaojuan Feng   +18 more
wiley   +1 more source

Evaluation in the Application of Multi-instrument Synergy X-ray Fluorescence Spectrometry in a Regional Geochemical Survey

Yankuang ceshi, 2017
Multi-element analysis of a regional geochemical survey sample usually involves X-ray Fluorescence Spectrometry (XRF), Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES), Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), Atomic ...
FU Yong-li, CHENG Wen-cui, ZHANG Zhao-fa, WEI Li, SUN Meng-hua, PANG Xue-min   +5 more
doaj   +1 more source

ROS Self‐Supply Nanoplatform Based on Fenton Catalyst for Chemodynamic and Immunotherapy: Reprogramming Cold Tumor Into Hot Tumor in Cancer Treatment

Advanced Science, EarlyView.
A multifunctional HA‐conjugated nanoplatform (HA‐PGMC) integrates CuO2, glucose oxidase, and mil‐100 to enable cascade catalytic ROS generation in tumor microenvironments. This self‐supplying ROS strategy induces immunogenic cell death, reprograms “cold” tumors into “hot” ones, and synergizes with PD‐L1 blockade, achieving potent chemodynamic ...
Man Lung Lee, Jack Chun Hin Chen, Wai Wing Cheng, Kwan Yee Lau, Hiu Yee Kwan, Ngar‐Yun Ellen Poon, Hung‐Wing Li   +6 more
wiley   +1 more source

Isolation, characterization and standardization of demineralization process for chitin polymer and minerals from the crabs waste of Portunidae segnis

Advances in Biomarker Sciences and Technology, 2020
The most abundant polymeric compound in nature after cellulose is chitin. Mostly, it is used as raw material for food additives, agriculture, biomedicine, water treatment, cosmetics and textile industry. Exoskeletons of crustaceans such as lobster, crabs
Noura Hamed Khalifa Al Shaqsi, Horiya Ali Said Al Hoqani, Mohammad Amzad Hossain, Mohammed Abdullah Al Sibani   +3 more
doaj   +1 more source

Thermochemical Micro‐Explosion for Prompt Thrombolysis via Proximal Injection of Liquid Alkali Metal

Advanced Science, EarlyView.
We report a micro‐explosive thermochemical thrombolysis (METCT) therapy via injectable liquid alkali metal encapsulated in dimethyl silicone (LAM@oil). METCT enables prompt and safe vascular recanalization within 90 s. Critically, the LAM@oil system demonstrates significantly higher thrombolytic efficacy compared to clinically available thrombolytic ...
Xin Liao, Yi Hou, Jie Zhang, Bo Wang, Minghui Guo, Hua Qu, Wei Rao, Jing Liu   +7 more
wiley   +1 more source

A comprehensive analysis of biosorption of metal ions by macroalgae using ICP-OES, SEM-EDX and FTIR techniques

PLoS ONE, 2018
In the present study, a comprehensive approach to the biosorption process was proposed. Biosorption of Cr(III), Mn(II) and Mg(II) ions by a freshwater macroalga Cladophora glomerata was examined using several advanced techniques including FTIR (Fourier ...
I. Michalak, M. Mironiuk, K. Marycz
semanticscholar   +1 more source

Trace Ru‐Doped PtCuRu@PtRu Core‐Shell Electrocatalyst for CO‐Resilient Methanol Oxidation

Advanced Science, EarlyView.
We engineered a trace Ru‐doped PtCuRu@PtRu core‐shell nanostructure. This design exploits lattice mismatch‐induced compressive strain between the PtCuRu ternary core and trace Ru‐doped Pt‐rich shell, systematically downshifting the Pt d‐band center to weaken *CO adsorption energetics.
Tianrui Xue, Shiyue Xing, Zhongliang Liu, Yiting Song, Jianyi Zhang, Miaomiao Liu, Huihui Li, Chunzhong Li   +7 more
wiley   +1 more source