A musical ode to Faiz’s only poem on Partition
Amira and Vasundhara explore Faiz Ahmad Faiz’s poem ‘Subh-e-Azadi’ in a sonic landscape of traditional ragas and electronically modified sounds
When Germany’s Humboldt Forum museum turned into a venue for East-West musical experiment
Veena exponent Jayanthi Kumaresh recalls how she and violinist Kala Ramnath, along with European musicians, explored the beauty of Baroque music
Listening to classical music inside India’s oldest theatre
Founded in 1887 and designed by British architect Henry Irwin, the Gaiety Theatre in Shimla was the venue of the recent Parampara aur Viraasat Utsav
An electrochemiluminescence device for visualized detection of lead in practical samples
DOI: 10.1039/D4RA05742B, Paper
An up-response ECL imaging system is designed for visualized Pb2+ detection with high selectivity.
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Morphological analysis of Pd/C nanoparticles using SEM imaging and advanced deep learning
DOI: 10.1039/D4RA06113F, Paper
In this study, we present a comprehensive approach for the morphological analysis of palladium on carbon (Pd/C) nanoparticles utilizing scanning electron microscopy (SEM) imaging and advanced deep learning techniques.
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Enhanced thermomechanical properties of epoxy-multiwalled CNT nano-composites
DOI: 10.1039/D4RA06831A, Paper
(A) Preparation of (GPTS-APTS) modified MWCNT solution/GA-CNT, (B) preparation of sol–gel active and partially cured polymer matrix and (C) preparation of ECB-CNT composite.
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Design, synthesis, biological evaluation, and in silico studies of novel N-substituted-2-(3,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole-6-carboxamides as promising anticancer agents
DOI: 10.1039/D4RA04492D, Paper
Synthesis and cytotoxicity evaluation of novel benzimidazoles were explained. The most potent derivative was subjected to cell cycle, apoptosis, and in silico investigations. Compound 5o proved to be a promising anticancer agent.
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Synthesis, optical, electrochemical, and computational study of benzene/thiophene based D–π–A chromophores
DOI: 10.1039/D4RA02668C, Paper
Synthesis of novel (D–π–A) chromophores with one electron-donating + withdrawing group at opposite ends of terphenyl, terthiophene, or 2,5-diphenylthiophene, analysed upon results of HOMO–LUMO gaps, determined via CV and in terms of MO via DFT.
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Correction: Luminescence properties of Bi3+/Sm3+ co-doped K3Gd5(PO4)6 phosphors for self-referencing optical thermometry
DOI: 10.1039/D4RA90130D, Correction
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In vitro bioactivity, mechanical, and cell interaction of sodium chloride-added calcium sulfate–hydroxyapatite composite bone cements
DOI: 10.1039/D4RA06034B, Paper
In this research, sodium chloride-added calcium sulfate–hydroxyapatite composite bone cements (0.70CaS–0.30HAP)/xNaCl were studied.
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Chronological effects of oxygen on the structural transformations of polyacrylonitrile fibers during the rapid thermal stabilization process
DOI: 10.1039/D4RA06327A, Paper
The effects of oxygen on the structure changes of PAN fibers during the rapid thermal stabilization are chronological, including thermal-driven dehydrogenation, oxidation and cyclization in the shorter, intermediate and longer periods, respectively.
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Design, synthesis, and in vitro and in vivo biological evaluation of triazolopyrimidine hybrids as multitarget directed anticancer agents
DOI: 10.1039/D4RA06704E, Paper
In response to the urgent need for new anti-proliferative agents, four novel series of triazolopyrimidine compounds (7a–e, 9a–d, 11a–f, and 13a–e) were synthesized and evaluated for in vitro and in vivo anticancer efficacy.
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Statistically driven automated method for catalytic glucose conversion optimisation
DOI: 10.1039/D4RA06038E, Paper
A statistically driven, automated approach to optimize glucose transformations to platform chemicals, methyl lactate and levulinic acid, is reported.
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Reaction of unsymmetrical α-bromo-1,3-diketones with N-substituted thioureas: regioselective access to 2-(N-arylamino)-5-acyl-4-methylthiazoles and/or rearranged 2-(N-acylimino)-3-N-aryl-4-methylthiazoles
DOI: 10.1039/D4RA05436A, Paper
Hantzsch's [3 + 2] cyclic condensation of α-bromo-1,3-diketones with N-substituted thioureas.
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Syntheses of optically active monapterin, 7,8-dihydromonapterin, and 5,6,7,8-tetrahydromonapterin from L-xylose
DOI: 10.1039/D4RA07179D, Paper
Monapterin, 7,8-dihydromonapterin, and 5,6,7,8-tetrahydromonapterin are synthesized in optically active forms using L-xylose as the starting material.
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Characterization and quantification of the phytochemical constituents and anti-inflammatory properties of Lindera aggregata
DOI: 10.1039/D4RA05643D, Paper
This study developed a method to analyze the bioactive compounds in Lindera aggregata roots, identifying 80 compounds, with 16 quantified, and found that specific compounds exhibit anti-inflammatory effects.
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Complexes between 2,2'-azobis(2-methylpropionamidine) dihydrochloride (AAPH) and cucurbit[n]uril hosts modulate the yield and fate of photolytically-generated AAPH radicals
DOI: 10.1039/D4RA07150F, Paper
AAPH-cucurbit[n]uril systems were experimentally and theoretically studied. Radical yields formed upon photolysis of AAPH were altered by complexation with CB[8] in a stoichiometry-dependent manner, however, radical yields were not changed by CB[6].
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From e-waste to eco-sensors: synthesis of reduced graphene oxide/ZnO from discarded batteries for a rapid electrochemical bisphenol A sensor
DOI: 10.1039/D4RA04046E, Paper
E-waste-derived reduced graphene oxide/ZnO forfast electrochemical detection of bisphenol A (BPA).
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A facile synthesis of iron oxide nanoparticles as a nano-sensor to detect levofloxacin and ciprofloxacin in human blood and evaluation of their biological activities
DOI: 10.1039/D4RA05024J, Paper
New bioactive magnetic nanoparticles were synthesized and stabilized by 3-aminobenzoic acid (3-ABA) utilized in detection of levofloxacin and ciprofloxacin.
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Upconversion nanoparticles incorporated with three-dimensional graphene composites for electrochemical sensing of baicalin from natural plants
DOI: 10.1039/D4RA06540A, Paper
The fabrication of UCNP-3DG and its application in electrochemical detection of Bn in natural plant samples.
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Physicochemical properties and mechanism of action of a new copper(II) pyrazine-based complex with high anticancer activity and selectivity towards cancer cells
DOI: 10.1039/D4RA06874B, Paper
The presented work underlines the importance of coordination compounds in the development of new anticancer agents that are safer and more efficient.
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Agnipath at political centre stage as Haryana assents to Agniveer Policy
Policy offers employment and entrepreneurship opportunities post-service, with several exceptions in norms
BJP has no leaders in Jharkhand, they ‘hire’ from other States to handle political scenario here: CM Hemant Soren
Without naming anyone, Mr. Soren said the Opposition is engaged in divisive politics and that there is no agenda or vision shown by them
Paris Olympics 2024 | Inside the radical transformation in Indian sports and the making of a medal-winning champion
Over the last decade, not-for-profit organisations as well as private academies and training centres have come forward to train Indian athletes, bringing them on a par with global standards
Citing ‘exigency’, T.N. Health Dept posts 51 PGs to peri-urban, rural government medical colleges
Official sources and a number of senior doctors confirmed that these deputation/postings were made to address specific manpower shortages in medical colleges in Nagapattinam, Tiruvallur and Tiruvarur
Medical device sector welcomes Centre’s ₹500 crore outlay
The government has said that the move is a game changer that will not only help the industry but will also help make India self-reliant
Nijjar killing row: Canada seeks diplomatic immunity waiver; India rejects as political agenda
New Delhi described the accusations as baseless and politically motivated, claiming they serve Prime Minister Justin Trudeau’s domestic vote-bank agenda.
AI Ethical Framework: Three Things We Agree On
If not all AI is bad, then how do we decide whether a particular use of AI is ethical or not? How do we design and build AI features that are consistent with our values?
AI Ethical Framework: AI Model Questions
When people evaluate services, they often consider factors like cost, features, reliability, and performance. For AI, we want to extend those factors by asking questions about how the AI model is built and its impact.
AI Ethical Framework: AI Usage Questions
How we deploy AI in our work and product development may hold as much weight in shaping the risks and ethics as the specific models we choose.
Gold soars on geopolitical risks, central bank buying
Heteroleptic mononuclear Cu(I) halide complexes containing carbazolyl substituted phenyl diphosphine and monophosphine: structures and photophysical and electroluminescent properties
DOI: 10.1039/D4DT02469A, Paper
Heteroleptic mononuclear Cu(I) halide complex 4 containing carbazolyl groups in diphosphine and monophosphine shows high PLQY (0.75) and a short decay lifetime (1.9 μs) with a high kr value of 3.95 × 105 s−1.
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The Bonding Situations in Ruthenium Chalcogenonitrosyl Compounds: A Physical Reasoning
DOI: 10.1039/D4DT02680B, Paper
This research presents, for the first time, a comprehensive and rigorous investigation of ruthenium(II) chalcogenonitrosyl bonding situations in two sets of coordination compounds: [Ru(NE)Cl2(L_{OEt})] (1a-4a) and [Ru(NE)Cl2(L_{OEt})]- (1b-4b), where E...
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Design and theoretical analysis of a tunable bifunctional metasurface absorber based on vanadium dioxide and photoconductive silicon
DOI: 10.1039/D4DT02563F, Paper
A bifunctional metasurface absorber based on vanadium dioxide (VO2) and photoconductive silicon (PSi) is proposed, which can be switched from dual- to single-broadband absorption by VO2, and the absorptivity is tunable by varying σPSi.
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A highly sensitive ratiometric optical thermometer based on Sr2MgWO6 double perovskite doped with Dy3+ exploiting thermally coupled and uncoupled levels
DOI: 10.1039/D4DT02940B, Paper
The increasing demand for highly sensitive optical thermometers operating within a wide temperature range necessitates the development of new phosphors. In this work, the potential of temperature sensing performance of...
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Advances in metal–organic frameworks for optically selective alkaline phosphatase activity monitoring: a perspective
DOI: 10.1039/D4DT01727G, Perspective
MOFs can play three essential roles in ALP monitoring: they can serve as fluorescent probes, function in oxidation or peroxidation mechanisms, or combine both processes.
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BODIPY dyes for optical limiting applications on the nanosecond timescale
DOI: 10.1039/D4DT02505A, Frontier
Recent research at the Institute for Nanotechnology Innovation at Rhodes University exploring the utility of BODIPY and azaBODIPY dyes for optical limiting of incident nanosecond laser pulses in the visible region is described.
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Theoretical study on the concerted catalysis of Ir/Ni for amino radical transfer for C(sp2)–C(sp3) bond formation
DOI: 10.1039/D4DT02567A, Paper
Insights from DFT calculations into the synergistic Ir/Ni catalysis method for the synthesis of C(sp2)–C(sp3) bonds through an amino radical transfer (ART) strategy to generate alkyl radicals.
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Ruthenium, copper and ruthenium–copper complexes of an unsymmetrical phosphino pyridyl 1,8-naphthyridine PNNN ligand
DOI: 10.1039/D4DT02755H, Paper
A new unsymmetrical dinucleating PNNN ligand is reported, the versatility of which is demonstrated by formation of heterobimetallic, homobimetallic and monometallic complexes.
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Tunability of triplet excited states and photophysical behaviour of bis-cyclometalated iridium(III) complexes with imidazo[4,5-f][1,10]phenanthroline
DOI: 10.1039/D4DT01996B, Paper
The impact of cyclometalating ligands on the photophysical behaviour of heteroleptic Ir(III) complexes with imidazo[4,5-f][1,10]phenanthroline. [Ir(ppy)2(imphen)]+ is a 3MLLCT emitter, while [Ir(pybzth)2(imphen)]+ has a predominant 3LCN∩C character.
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Heats of formation on the way from B2H6 to B20H16: thermochemical consequences of multicenter bonding in ab initio and DFT methods
DOI: 10.1039/D4DT02589J, Paper
The objective of this study is to evaluate the effectiveness of various computational methods in reproducing the experimental heats of formation of boron hydrides using the atomization energy approach.
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Thieno[3,2-b]thiophene based-bridged BODIPY dimer: synthesis, e-chem, one- and two-photon photophysical properties
DOI: 10.1039/D4DT02655A, Paper
Four BODIPY dyes (6a ~ 6d) with electron-donating or electron-withdrawing groups at the meso-position were synthesized by Sonogashira coupling reaction of thieno[3,2-b]thiophene with mono-iodo-BODIPY moiety. All compounds were fully characterized...
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