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An on-line SPE-LC-MS/MS method for quantification of nucleobases and nucleosides present in biological fluids

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00100A, Paper
Yi-Ming Liu, Shuguan Wang, Amani Dickenson, Jinghe Mao, Xiaolin Bai, Xun Liao
A facile on-line SPE-LC-MS/MS method for quantification of nucleobases and nucleosides in urine and saliva.
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Rapid and green quantification of phloridzin and trilobatin in Lithocarpus litseifolius (Hance) Chun (sweet tea) using an online pressurized liquid extraction high-performance liquid chromatography at equal absorption wavelength method

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00170B, Paper
Zhengming Qian, Qinggui Lei, Dan Tang, Guoying Tan, Qi Huang, Fucai Zhou, Wenhao Wang
Sweet tea is a functional herbal tea with anti-inflammatory, anti-diabetic, and other effects, in which phloridzin and trilobatin are two functional compounds.
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A lateral flow strip for on-site detection of homocysteine based on a truncated aptamer

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00274A, Paper
Yunqing Wu, Tianyu Huang, Xin Chen, Mingyuan Wang, Xiaoli Wang, Yuting Zhang, Nandi Zhou
A lateral flow strip based on a truncated aptamer for on-site detection of homocysteine in human serum.
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The selective extraction of dietary polyamines from chicken breast using the application of a lab-on-a-chip electromembrane and dispersive liquid–liquid microextraction followed by gas chromatography-mass spectrometry

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02172F, Paper
Fatemeh Barzegar, Samaneh Nabizadeh, Marzieh Kamankesh, Jahan B. Ghasemi, Abdorreza Mohammadi
Excessive dietary polyamines (PAs), including putrescine (PUT), spermine (SPM), and spermidine (SPD), have become a worldwide concern due to their carcinogenicity and reduced shelf life.
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Caffeine quantification in dietary supplements using high-throughput on-line solid phase extraction coupled to Venturi easy ambient sonic-spray ionization mass spectrometry

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00333K, Paper
David Ulisses Tega, Luan Felipe Campos Oliveira, Patrick Cesar Ferreira, Bruna Beatriz Soldera, Heliara Dalva Lopes Nascimento, Marcos Nogueira Eberlin, Alessandra Sussulini
Optimization of a LC-V-EASI-MS system. Employment of LC-V-EASI-MS and online SPE to enhance analytical performance for caffeine determination reaching 90 s per sample.
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Antibody-labeled Gold Nanoparticles Based Resonance Rayleigh Scattering Detection of S100B

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00335G, Paper
tiantian Wang, yonghui Wang, junbo Li
Traumatic brain injury (TBI) is a sudden brain injury due to an external force that causes a large number of deaths and permanent disabilities every year. S100B has been recognized...
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Phenylboronic acid modification-based novel dumbbell-shaped Au–Ag nanorod SERS substrates for ultrasensitive detection of SO42−

Anal. Methods, 2024, 16,2311-2321
DOI: 10.1039/D3AY01831H, Paper
Kang Shen, Caili Bi, Haifan Yang, Miaowen Xu, Lili Huang, Youwei Wang
Based on the coordination principle of Lewis acids, a novel 4-MPBA-modified dumbbell-shaped Au–Ag nanorod (4-MPBA@DS Au–AgNR) SERS substrate was developed to realize the high sensitivity and specificity of SO42− detection.
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Online quantification of nicotine in e-cigarette aerosols by vacuum ultraviolet photoionization mass spectrometry

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00279B, Paper
Shaoxin Ye, Zuoying Wen, Kai Xie, Xuejun Gu, Jian Wang, Xiaofeng Tang, Weijun Zhang
A new method for quantifying nicotine in e-cigarette aerosols within a few seconds using a homemade VUV-AMS.
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Electroanalysis overview: additive manufactured biosensors using fused filament fabrication

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00278D, Minireview
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Robert D. Crapnell, Craig E. Banks
Additive manufacturing (3D-printing), in particular fused filament fabrication, presents a paradigm shift in the way electrochemical based biosensing platforms are produced, giving rise to a new generation of personalized and on-demand biosensors.
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Design and fabrication of La-based perovskites incorporated with functionalized carbon nanofibers for the electrochemical detection of roxarsone in water and food samples

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00264D, Paper
Mariya Antony John Felix, Santhiyagu Sahayaraj Rex Shanlee, Shen-Ming Chen, Sundaresan Ruspika, Ramachandran Balaji, Narendhar Chandrasekar, Periyanayagam Arockia Doss
Fabrication of potent electrocatalyst, La-based perovskites coupled with functionalized carbon nanofibers (LMO/f-CNF) for ultrasensitive electrochemical detection of roxarsone in edible and water samples.
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The preparation of a boronate affinity-based controlled oriented imprinting coating on a silica nanoparticle surface for the separation and purification of shikimic acid in herbal medicine

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00219A, Paper
Yumin Yang, Daojin Li, Bingqian Liu
Shikimic acid (SA) is one of the most effective drugs against the A (H1N1) virus and has high medicinal value.
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Three-dimensional hotspot structures constructed from nanoporous gold with a V-cavity and gold nanoparticles for surface-enhanced Raman scattering

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00348A, Paper
Yang Xu, Yan Wu, Jianjun Wei, Yuanyu Zhao, Peili Xue
A nanoporous gold V-shaped resonant cavity (NPGVRC) structure constructed with plasmonic resonance coupling effect. The NPGVRC has excellent SERS performance and 3D hotspot properties.
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Monolith stationary phases prepared via cyclic anhydride ring-opening polymerization as tunable platforms for chromatographic applications

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00251B, Paper
Ahmad Aqel, Ayman Ghafr, A. Yacine Badjah-Hadj-Ahmed, Zeid Abdullah ALOthman
Polymer monolithic stationary phases were prepared based on a cyclic anhydride as a reactive and tunable platform via ring-opening post-polymerization using primary amines; octadecylamine and benzylamine. The characterization techniques indicated...
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A Review of ipwhois.io for Reliable Geolocation Data

[Sponsored] If you’re building an app that requires delivering a dynamic experience based on the user’s location or other location-related data, a fast and easy-to-use Geolocation API will certainly come in handy. One such option is ipwhois.io. The service, which is free for small non-commercial projects that need fewer than 10,000 requests per month, is easy to integrate with your tech stack.

As usual, it’s always best to look at a few examples so you can see it in action. Their documentation is short and easy to follow, so I’ll demonstrate using the following example request:

The post A Review of ipwhois.io for Reliable Geolocation Data appeared first on Impressive Webs.




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Location tracking - do you need it?




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It is an offence: On Supreme Court clarification on online content on child sex abuse

Court has done well to clarify law on online content showing child sex abuse




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​Beyond intoxication: On alcohol regulation, judicial verdict

Batting for States, the Supreme Court of India holds federal balance on regulating alcohol




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Rational design and in vitro testing of new urease inhibitors to prevent urinary catheter blockage

RSC Med. Chem., 2024, 15,3597-3608
DOI: 10.1039/D4MD00378K, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Rachel A. Heylen, Nicola Cusick, Tom White, Emily J. Owen, Bethany L. Patenall, Martin Alm, Peter Thomsen, Maisem Laabei, A. Toby A. Jenkins
In silico identification of urease inhibitors based on thiourea, tested to determine IC50 and tested on a catheterised in vitro bladder model, showing efficacy in reducing catheter blockage.
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Correction: Anti-schistosomal activity and ADMET properties of 1,2,5-oxadiazinane-containing compound synthesized by visible-light photoredox catalysis

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD90044H, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kennosuke Itoh, Hiroki Nakahara, Atsushi Takashino, Aya Hara, Akiho Katsuno, Yuriko Abe, Takaaki Mizuguchi, Fumika Karaki, Shigeto Hirayama, Kenichiro Nagai, Reiko Seki, Noriko Sato, Kazuki Okuyama, Masashi Hashimoto, Ken Tokunaga, Hitoshi Ishida, Fusako Mikami, Kofi Dadzie Kwofie, Hayato Kawada, Bangzhong Lin, Kazuto Nunomura, Toshio Kanai, Takeshi Hatta, Naotoshi Tsuji, Junichi Haruta, Hideaki Fujii
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Synthesis of cationic N-acylated thiazolidine for selective activity against Gram-positive bacteria and evaluation of N-acylation's role in membrane-disrupting activity

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD00626G, Research Article
Aleena Pious, Vignesh Venkatasubramanian, Dharshini Karnan Singaravelu, Subburethinam Ramesh, Fuad Ameen, Anbazhagan Veerappan
Lipidation modulates the Gram-selective antibacterial activity of QPyNATh.
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Lack of signboards indicating bus timings at Chathiram Bus Stand in Tiruchi irks passengers

Passengers also say some buses leave earlier than scheduled or don’t pass certain rural areas, leading to schoolchildren not being able to board on time




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611: React! TypeScript! Jobification! Drupal!

Dave & Chris and thoughts on career advice that worked 3 years ago but isn't as helpful now, marking tests with ChatGPT, is taking a Drupal job in 2024 a good idea, Chris got #gear sniped, P3 color follow up, the confusing File System APIs, and where did all the lightboxes go?




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The commodification of water

Water purification systems in cities and villages may look attractive but do they actually benefit the needy?




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The delicate balance in doctor-patient interaction

How clear communication and accountability in healthcare can significantly improve patient outcomes




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Catalysing Indian IP creation 

How policy support and monetisation can rev up India’s innovation ecosystem



  • Science and Technology

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HC refuses to entertain plea to enhance funds allocated to MCD councillors

The Hight Court expressed surprise that members of the Legislative Assembly (MLAs) and Municipal Corporation of Delhi (MCD) councillors were approaching courts with their grievances and asked them to raise the issue in the House or before the public




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Delhi HC permits man to buy The Satanic Verses after Centre fails to produce notification banning the book

India was one of the first countries to ban the book’s import and sale, citing concerns over its content being offensive to the Muslim community




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Delhi HC imposes ₹10,000 fine on advocate for casting aspersions on judge




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2025 ARRL Foundation Scholarship Program Accepting Applications through Jan 6, 2025

The 2025 ARRL Foundation Scholarship Program will begin accepting applications on October 30, 2024. Applications will be accepted through January 6, 2025.

More than 100 scholarships ranging from $500 to $25,000 will be awarded. All applicants must be active, FCC-licensed amateur radio operators. 

Information, along with the link to the online application, can be found on ARRL’s website: https://w...




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ARRL Recognizes University of Scranton During Amateur Radio Station Dedication

The University of Scranton in Pennsylvania has a new amateur radio station, W3USR. A dedication was held at the university’s Loyola Science Center on Friday, October 25, 2024, led by Dr. Nathaniel Frissell, W2NAF, an associate professor of physics and electrical engineering, and club advisor for the University of Scranton Amateur Radio Club.

The new W3USR University of Scranton Amateur Radio Sta...




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ARRL Members Raise $47,000 for STEM Education in Online Auction

ARRL® The National Association for Amateur Radio® is pleased to announce that the 19th annual ARRL Online Auction, sponsored by RT Systems Inc, raised $47,000 for amateur radio STEM education. 

The event was held from October 18- 24, 2024. In addition to hundreds of views, the auction saw 329 individual bidders vying for equipment, vintage books, “mystery junk boxes” from the ARRL Lab, and more....




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Family, education, the city all helped me succeed in the US: Indra Nooyi

Former PepsiCo Chairman & CEO Indra Nooyi on her growing up years in Madras and on the mentors in her life




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Being the catalyst for change

How the Srinivasan Services Trust partnered with thousands of villagers to transform their living conditions




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Five-day special educator training programme to start from November 11

The initiative is being organised by Chennai Volunteers, a social initiative of the Giving Matters Foundation, a not-for-profit organisation, in collaboration with the Portobello Institute, Ireland




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Collector forwards complaint against teacher to Education Department




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Transfer of cattle farm land to SIPCOT opposed




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Stress amplification and relaxation imaging around cracks in nanocomposite gels using ultrasound elastography

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00909F, Paper
H. Le Blay, T. Deffieux, L. Laiarinandrasana, M. Tanter, A. Marcellan
Stress visualization around cracks in NC gels was performed using ultrasonic elastography. Temporal and spatial mapping are performed non-invasively. Over time, the stress gradient is erased by large-scale reorganization of the polymer network.
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Random field reconstruction of three-phase polymer structures with anisotropy from 2D-small-angle scattering data

Soft Matter, 2024, 20,8493-8504
DOI: 10.1039/D4SM00721B, Paper
Open Access
Stephen Kronenberger, Nitant Gupta, Benjamin Gould, Colin Peterson, Arthi Jayaraman
We present a computational method to analyze 2D small-angle scattering data from three-phase soft materials systems with structural anisotropy and output representative real-space structures of the three phases.
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Linking local microstructure to fracture location in a two-dimensional amorphous solid under isotropic strain

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00486H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Max Huisman, Axel Huerre, Saikat Saha, John C. Crocker, Valeria Garbin
Machine learning predicts possible crack location in experiments of a fracturing colloid monolayer, shown along with the actual crack path.
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Aging iridium oxide catalyst inks: a formulation strategy to enhance ink processability for polymer electrolyte membrane water electrolyzers

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00987H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sunilkumar Khandavalli, Jae Hyung Park, Robin Rice, Diana Y. Zhang, Sarah A. Berlinger, Guido Bender, Deborah J. Myers, Michael Ulsh, Scott A. Mauger
Steady-shear rheology showing evolution of the microstructure of iridium oxide catalyst inks of PEM water electrolyzers with aging time.
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Influence of counterion type on the scattering of a semiflexible polyelectrolyte

Soft Matter, 2024, 20,8610-8620
DOI: 10.1039/D4SM00874J, Paper
Open Access
Anish Gulati, Jack F. Douglas, Olga Matsarskaia, Carlos G. Lopez
Understanding the influence of counterion and backbone solvation on the conformational and thermodynamic properties of polyelectrolytes in solution is one of the main open challenges in polyelectrolyte science.
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Light scattering study of algal floc growth and structure: alum vs. polymeric plant-derived flocculant

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00837E, Paper
Temitope Orimolade, Ngoc-Tram Le, Lyle Trimble, Bandaru Ramarao, Sitaraman Krishnan
Algal flocculation using alum shows dynamic fractal restructuring over time, while Moringa oleifera protein induces faster densification, enhancing floc strength.
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Hydrogel-based 3D fabrication of multiple replicas with varying sizes and materials from a single template via iterative shrinking

Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00835A, Paper
Eunseok Heo, Hye Been Koo, Jun Chang Yang, In Cho, Hyun-Hee Lee, Yong-Jin Yoon, Steve Park, Jae-Byum Chang
3D printing technologies have been widely used for the rapid prototyping of 3D structures, but their application in a broader context has been hampered by their low printing throughput. For...
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Dynamics of switching processes: general results and applications to intermittent active motion

Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM01054J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ion Santra, Deepak Gupta, Kristian S Olsen
Systems switching between different dynamical phases is an ubiquitous phenomenon. The general understanding of such a process is limited. To this end, we present a general expression that captures fluctuations...
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Biomimetic mineralization of positively charged silica nanoparticles templated by thermoresponsive protein micelles: applications to electrostatic assembly of hierarchical and composite superstructures

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00907J, Paper
Nada Y. Naser, William C. Wixson, Helen Larson, Brandi M. Cossairt, Lilo D. Pozzo, François Baneyx
Exploiting the ability of a solid-binding elastin-like peptide to micellize, we mineralize monodisperse silica nanoparticles whose positive surface charge enables one-step electrostatic assembly of various mono- and bi-material superstructures.
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Shape transformations in peptide-DNA coacervates driven by enzyme-catalyzed deacetylation

Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM01091D, Paper
Open Access
Merlijn van Haren, Nienke Helmers, Luuk Verploegen, Viveca Beckers, Evan Spruijt
Biomolecular condensates formed by liquid-liquid phase separation (LLPS) are important organizers of biochemistry in living cells. Condensate formation can be dynamically regulated, for example by protein binding or enzymatic processes....
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Editorial. Skilling sops useful, but education is key

There can be no getting away from the fact that the skills crisis in India’s young (15-29 years) reflects a failure of the education system — and the best skilling efforts cannot make up for this lack




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Govt invites applications for RBI Deputy Governor

The appointment is for a period of three years, and the individual is qualified for reappointment. The position will have a monthly salary of Rs ₹2.25 lakh (Level-17)




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Reflections on Practice : Therapeutic Communication / directed by: Nettie Wild ; production agencies: British Columbia Centre for Disease Control. Street Nurse Program (Vancouver), National Film Board of Canada (Montreal)

Montreal : National Film Board of Canada, 2019




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Reflections on Practice : Therapeutic Communication / directed by: Nettie Wild ; production agencies: British Columbia Centre for Disease Control. Street Nurse Program (Vancouver), National Film Board of Canada (Montreal)

Montreal : National Film Board of Canada, 2019