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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.
The content of this RSS Feed (c) The Royal Society of Chemistry




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An ensemble model for rapid quantitative determination of vanadium (V) in petroleum coke by laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, 39,2841-2855
DOI: 10.1039/D4JA00300D, Paper
Hongkun Du, Tengfei Sun, Shaoying Ke, Dongfeng Qi, Wei Zhang, Juan Wei, Bing Yang, Hongyu Zheng
Precise detection and analysis of trace elements in materials are critical for various industrial applications.
The content of this RSS Feed (c) The Royal Society of Chemistry




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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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Combined enhancement of fiber-optic laser-induced breakdown spectroscopy coupling spatial confinement and double-pulse irradiation

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00291A, Paper
Yan Qiu, Jinghui Li, Bowen Lu, Jian Wu, Xinyu Guo, Yuhua Hang, Yongdong Li, Xingwen Li
The mechanism of double-pulse laser irradiation under spatial confinement remains unclear due to complex plasma plume dynamics and multiple shock wave interactions.
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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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A simple method for elemental analysis of liquids in sprayed microdroplets by laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00192C, Paper
Jun Feng, Yihui Yan, Yuzhu Liu, Jozef Lengyel
The study shows that paper spray and laser-induced breakdown spectroscopy (PS-LIBS) analyze trace elements in aqueous solutions, addressing challenges in bulk analysis. Its efficiency highlights its potential for in situ liquid sample analysis.
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Fast analysis of metal components in coal dust using spark emission spectroscopy

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00322E, Paper
Jialin Li, Jing Huang, Lina Zheng, Shakila Naz, Xutong Liu
We present a fast method based on spark emission spectroscopy to quantify metal components such as Al, Si, Fe, Ca, and Ti in airborne coal dust.
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A Gaussian Spot Overlap Ablation Model for Prediction of Aluminium Alloy Spectral Peak Intensity in High Pulse Repetition Frequency LIBS

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00298A, Paper
Dongming Qu, Bohao Su, Zhongshu Bai, Biye Liu, Xueying Jin, Guanyu Chen, Yuting Fu, Tingwen Gu, Guang Yang, Qingkai Li
The use of microjoule high pulse repetition frequency (PRF) lasers as excitation sources is an important direction in the miniaturisation of laser-induced breakdown spectroscopy (LIBS) instruments. However, high PRF LIBS...
The content of this RSS Feed (c) The Royal Society of Chemistry




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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...
The content of this RSS Feed (c) The Royal Society of Chemistry




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High-precision MC-ICP-MS measurements of Cd isotopes using a novel double spike method without Sn isobaric interference

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00357H, Paper
Jin Li, Suohan Tang, Xiangkun Zhu, Jianxiong Ma, Zhi-Yong Zhu, Bin Yan
Previous studies have reported that even low concentrations of Sn can lead to biased Cd isotopic measurements using MC-ICP-MS. In this paper, we propose a novel method of Cd isotopic...
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Laser-Induced Breakdown Spectroscopy (LIBS): calibration challenges, combination with other techniques, and spectral analysis using data science

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00250D, Critical Review
Dennis Ferreira, Diego Victor De Babos, Mauro Henrique Lima-Filho, Heloisa Froehlick Castello, Alejandro C. Olivieri, Fabiola Manhas Verbi Pereira, Edenir Rodrigues Pereira-Filho
Laser-Induced Breakdown Spectroscopy (LIBS) is a versatile and powerful analytical technique widely used for rapid, in-situ elemental analysis across various fields, from industrial quality control to planetary exploration. This review...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Trace xenon detection in ambient helium by double-pulse laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00358F, Paper
Open Access
Londrea Garrett, Milos Burger, Yunu Lee, Hyeongbin Kim, Piyush Sabharwall, Sungyeol Choi, Igor Jovanovic
Safe operation of next-generation nuclear reactors is contingent on developing and effectively operating new diagnostics methods. For helium-cooled fast reactors, one important safety concern is the onset of fuel-cladding failure,...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Time for a makeover?

Glam up your home in five different ways. Teja Lele Desai tells us how




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Your choicest designs are just a click away

Modular kitchen, wardrobes, cabinets, wall entertainment units, and even fixed furniture, you name it, the long list of wood work to suit your taste and wallet is just a few clicks away




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Infrastructure is the key

Real estate investment is guided by the quality of physical and social infrastructure in and around a neighbourhood, says Arvind Jain




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Modi Year One: Realty check

With the Modi regime completing one year in office on May 26, the author speaks to experts to track what was done for real estate.




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Tackling benami deals

The real estate sector may face some shake-up when the new Benami Transactions (Prohibition) Amendment Bill 2015 becomes law. By K. Sukumaran




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Making life easier for landlords

The Draft Model Tenancy Act 2015 is all set to encourage the rental market, as it promises to safeguard the interests of both landlords and tenants.




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The risk of building homes

There is no guarantee that the project you have invested in will be executed within the given timeframe.




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Realty check

The low sales have not dampened the spirit as there was an increase in the number of project launches in the high-end/mid-end segment during the first half.




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Click the mouse, buy a house

The future of investing online is here.




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Time to book homes in NCR

Property prices in Noida went down by 1.8 per cent in the past one year.





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Make them easier, legally

The New Year should hopefully see an elimination of bottlenecks and hurdles for legal construction.




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Hike in value due to the metro rail factor



  • Q & A

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Make use of these e-services

We list the online services offered by the Registration Department in the State




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Second US healthcare worker has Ebola




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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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Spider venom may hold chemical keys to new painkillers




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Bespoke cancer vaccines hold promise

They are designed to make a patient’s immune system attack tumours




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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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Breakthrough in treating leucoderma




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Researchers one step closer to cracking Alzheimer’s puzzle

Alzheimer’s, a progressive form of dementia, may occur in middle age or in old age, and while a lot of research is on for drug treatments, none has been successful.




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Gene mutations link to leishmaniasis




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Hallucinations linked to differences in brain structure

The effect was observed regardless of whether hallucinations were auditory or visual in nature, consistent with a reality monitoring explanation.




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Drug-resistant bug Klebsiella causes worry

In some cases, even colistin has failed to kill it.




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‘India’s fight against TB lacks punch’




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Guinea declared free of Ebola virus that killed over 2,500




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Sharks can help prevent human tooth loss

Network of genes enables these creatures to develop and regenerate teeth throughout their lifetime.




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Indians could face a higher risk of diabetes-induced lung ailments

High levels of insulin directly damage the lung structure, says global study.




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3D printing could help fix damaged cartilage in knees

A disruptive technology, says researcher




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Diabetes drug may raise bladder cancer risk: study

Compared with no thiazolidinedione use, pioglitazone associated with an overall 63 p.c. increased risk




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Human trial of Zika vaccine to start soon




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Novel drug compound inhibits skin cancer in mice, finds study




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This isn’t yet another fancy hospital, future of medical knowledge will unfold here: Subroto Bagchi

Philanthropist says underbelly of the healthcare system was starkly visible during the Covid-19 pandemic, and we run the risk of collective amnesia as we come out of it




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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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Compulsory rural service: Nearly 2,000 senior resident doctors in Karnataka await specialist counselling and posting

They say they wrote their exams in May and have been living with uncertainty for the last two months




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MIT researchers make stamp-size stickers that can scan the human body

MIT professor Xuanhe Zhao said the development could open a new era of wearable imaging.




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Centre to give in-principle approval for AIIMS in Kozhikode: Union Minister

‘State government has to acquire land and hand it over to Centre’