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Optimization of informative variables selection for quantitative analysis of heavy metal (Cu) contaminated Tegillarca granosa using laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, 39,2824-2831
DOI: 10.1039/D4JA00084F, Paper
Xudong Huang, Xiaojing Chen, Guangzao Huang, Zhonghao Xie, Wen Shi, Shujat Ali, Leiming Yuan, Xi Chen
The KMRCD algorithm successfully selected 50 informative variables from the 1520 variables in the LIBS spectra.
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Trace element determination by femtosecond LA-ICP-MS in 10 mg extraterrestrial geological samples prepared as lithium borate glasses

J. Anal. At. Spectrom., 2024, 39,2728-2736
DOI: 10.1039/D4JA00275J, Paper
Yan-Hong Liu, Ding-Shuai Xue, Wen-Jun Li, Zhong-Qiang Wang, Yan Liang, Shun Guo, Bo Wan
This method involves precise trace element determination in X-ray fluorescence (XRF) lithium borate glass prepared from 10 mg extraterrestrial geological samples using femtosecond LA-ICP-MS.
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Self-absorption correction of NEXAFS spectra for intermediate sample thicknesses applied to organo-sulfur model compounds

J. Anal. At. Spectrom., 2024, 39,2893-2902
DOI: 10.1039/D4JA00232F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Konstantin Skudler, Michael Walter, Michael Sommer, Matthias Müller
We present a self-absorption correction for NEXAFS which is valid for any sample thickness. The corrected spectrum is recovered in a forward calculation by fitting a model spectrum to experimental data of samples with ideally different thicknesses.
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Mg separation from samples with very high Ca/Mg ratios for Mg isotope analysis

J. Anal. At. Spectrom., 2024, 39,2767-2773
DOI: 10.1039/D4JA00266K, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Niklas Keller, Michael Tatzel
We present an efficient method to separate Mg from samples with high Ca/Mg matrices for the analysis of Mg isotope ratios. By utilising the automated sample purification system prepFAST, the labour is substantially minimised.
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Evaluation of miniaturized ultrasonic nebulization for high-efficiency sampling in characterization of silver nanoparticles by single particle inductively coupled plasma mass spectrometry

J. Anal. At. Spectrom., 2024, 39,2791-2798
DOI: 10.1039/D4JA00320A, Paper
Junhang Dong, Zhenli Zhu, Lujie Li, Pengju Xing, Shuyang Li, Lei Ouyang, Xing Liu, Wei Guo, Hongtao Zheng, Rong Qian
Miniaturized ultrasonic nebulization (MUN) provides high sampling efficiency for single particle inductive coupled plasma mass spectrometry (sp-ICPMS).
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A single-stage purification method for the precise determination of zirconium isotopic composition in geological samples by double spike MC-ICP-MS

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00332B, Paper
Lanping Feng, Chen Wang, Yan Han, Wen Zhang, Jing-Liang Guo, Lian Zhou, Zhaochu Hu
A simple, fast and efficient column separation method for extracting Zr from geological sample matrices using DGA resin.
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Sensitive and Rapid Determination of Iodine/Calcium Ratio in Carbonate Rock Samples by ICP-MS Based on Solution Cathode Glow Discharge Sampling

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00264D, Paper
Xuan Wang, Xing Liu, Lanlan Jin, Zhenli Zhu, Junhang Dong, Pengju Xing, Linjie Chen, Yuanhui Geng, Jingwen Zhang, Hao Tong, Hongtao Zheng, Min Zhang, Shenghong Hu
The iodine-to-calcium ratio (I/Ca) in carbonate rocks has been extensively used to indicate marine oxidation states. However, the low-iodine and high-calcium characteristics of carbonate samples pose challenges in achieving rapid...
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Applying standard addition to determine antimony isotopes in low-Sb samples using HG-MC-ICP-MS

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00333K, Paper
Honggang Zhu, Jian-Ming Zhu, Decan Tan, Zhuo Lu, Hongfei Liao, Yiwei Ma
The δ123Sb value of BCR-2 obtained by the standard addition (SA) method.
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Playing it safe on the home front

What precautions should a prospective buyer of property take?




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Residential sales to soar in 2016

If prices are in line with what buyers are willing to pay, there is no reason why sales will not be generated even in a slow market




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Birth of Salk and death of polio

Google doodle celebrated Jonas Salk's birthday yesterday




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World’s first dengue vaccine likely by 2015: Sanofi

The company said the vaccine gives a 95.5% protection against severe dengue and an 80.3% reduction in the risk of hospitalisation.




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Ayurveda needs dedicated doctors, says PM

Biggest challenge today is lack of confidence in Ayurvedic practitioners




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Ebola vaccine seems safe in first-stage testing




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India flooded with unsafe fixed dose combination drugs

Many unapproved FDC formulations contain banned, restricted, or never approved drugs




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Government proposal to provide affordable medicines faces roadblocks

The system should ensure medicines reach both the middle class and the poor who depend on the government healthcare sector.




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Novartis, Dr. Reddy’s in exclusive sales pact for select products

400 Novartis employees to lose jobs due to resulting role redundancies 




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In Delhi, wearing a mask no long mandatory for now says DDMA  

Delhi Disaster Management Authority will impose no penalty for ‘COVID offences’ with immediate effect till further orders




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Patients diagnosed with chronic lung disease should undergo cardiac evaluation, say doctors

September 29 is observed as World Heart Day




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Modern antidepressants can reduce risk of depressive relapse for bipolar patients, according to UBC and NIMHANS study

Bipolar disorder, earlier known as manic-depressive disorder, is prevalent in about 1% of the population and tends to be a lifelong illness




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Titan Securities Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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GATI LTD. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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GATI LTD. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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GATI LTD. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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GATI LTD. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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GATI LTD. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Dhanuka Agritech Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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L.G.Balakrishnan & Bros.Ltd. - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011




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Ashutosh Paper Mills Ltd. - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011




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Dhanuka Agritech Ltd. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Aurobindo Pharma Ltd. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Bajaj Consumer Care Ltd - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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BINNY LTD. - Revised Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Iifl Finance Ltd - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Mep Infrastructure Developers Ltd - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Spentex Industries Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Maithan Alloys Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Sacheta Metals Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Centrum Capital Ltd. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Future Consumer Ltd - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Radhe Developers (India) Ltd. - Disclosures Under Reg. 29(2) Of SEBI (SAST) Regulations, 2011




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Shetron Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Speciality Restaurants Ltd. - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011




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Confidence Finance And Trading Limited - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011




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Titan Biotech Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Bombay Burmah Trading Corp.Ltd. - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Chambal Fertilisers & Chemicals Ltd. - Revised disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011




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Parag Milk Foods Ltd - Disclosures under Reg. 29(1) of SEBI (SAST) Regulations, 2011




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Gem Spinners India Ltd. - Disclosures under Reg. 29(2) of SEBI (SAST) Regulations, 2011




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Cox & Kings Limited - Disclosures under Reg. 31(1) and 31(2) of SEBI (SAST) Regulations, 2011