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Crystallinity regulation induced organics degradation on Ultra-thin 2D Co3O4/SiO2 Nanosheets: the critical trigger of oxygen vacancy

Environ. Sci.: Nano, 2024, Accepted Manuscript
DOI: 10.1039/D4EN00134F, Paper
Wenhui Bai, Hongze Lu, Yang Liu, Xue Yuan, Yuejie Ai, Lidong Wang, Zhe Chen
As an antibiotic drug, sulfamethoxazole (SMX) is a nitrogen-containing and sulfur-containing heterocyclic compound, which is an endocrine disruptor and difficult to be biodegraded. Not only can it exist stably in...
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Zeolite-like ion-exchanged Cu-attapulgite catalysts for promoted selective oxidation of ammonia

Environ. Sci.: Nano, 2024, Advance Article
DOI: 10.1039/D4EN00157E, Paper
Xuebin Zhang, Tianwei Lan, Qiuying Yi, Yufei Wang, Danhong Cheng, Dengsong Zhang
Zeolite-like ion-exchanged Cu-attapulgite catalysts have been developed for selective catalytic oxidation of ammonia.
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Consequences of twisting of the flexible arms of imidazole-derived urea in zinc-dicarboxylate coordination polymers

CrystEngComm, 2024, 26,1976-1985
DOI: 10.1039/D4CE00005F, Paper
Satyendra Verma, Rinki Brahma, Jubaraj B. Baruah
A semi-flexible imidazole-based urea ligand, 1-(3-(1H-imidazol-1-yl)propyl)-3-phenylurea, and three zinc-dicarboxylate coordination polymers possessing the ligand were synthesized and characterized.
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Thermal fluctuation-induced selective CO2 uptake of seemingly nonporous N,C-protected dipeptide crystals as elucidated by in situ X-ray crystallographic analysis

CrystEngComm, 2024, Advance Article
DOI: 10.1039/D3CE01018J, Paper
Kazuaki Yamanaka, Ryusei Oketani, Yuya Mori, Takashi Sato, Seiji Tsuzuki, Hiroki Takahashi, Hirohito Tsue
A novel N,C-protected dipeptide deposited nonporous but yet CO2-sorbing molecular crystals, of which the CO2 sorption state was disclosed.
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Advanced MnOx/MnWO4 hetero-nanoflakes with abundant oxygen vacancies for high-performance flexible asymmetric supercapacitors with high energy density

CrystEngComm, 2024, 26,2087-2095
DOI: 10.1039/D4CE00052H, Paper
Yanli Yin, Jingli Wang, Sihao Chen, Nengneng Han, Zhiliang Chen, Yuezhou Jing, Yahui Zhang, Juan Xu, Zhongyang Li
High-performance flexible supercapacitors assembled with MnOx/MnWO4@C-3 hetero-nanoflake anodes, exhibiting a maximum areal energy density of 48.49 mW h cm−2.
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Degradation of tetracycline by visible light using Ca2Nb2O7 composite oxides with perovskite and pyrochlore sub-crystalline phases

CrystEngComm, 2024, Advance Article
DOI: 10.1039/D4CE00044G, Paper
Junwei Xu, Chengxin Lu, Xianfeng Zhang, Rumeng Ouyang, Xiuzhong Fang, Xianglan Xu, Xiang Wang
We synthesized two paramorphs of Ca2Nb2O7 for visible light degradation of tetracycline, and found that pyrochlore phase has better reactivity compared to perovskite phase, which is attributed to the intrinsic oxygen vacancies and lattice disorder of pyrochlore phase.
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Construction of a novel cuboid-shape Mn-Urea nanozyme with arsenic(V)-enhanced oxidase-like activity as a colorimetric probe for the selective detection of inorganic arsenic

CrystEngComm, 2024, Accepted Manuscript
DOI: 10.1039/D4CE00148F, Paper
Jia-Li Wang, Ling-Xiao Chen, Guo-Ying Chen, Tong-Qing Chai, Jia-Xin Li, Hua Chen, Feng-Qing Yang
Development of a facile and reliable assay for arsenic (As) detection is crucial for its pollution control, which is a well-known heavy-metal pollutant in environment. In this work, an efficient...
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Nitro group and K+-based secondary building units for the self-assembly of 3D coordination polymers built on dinuclear dianionic helicate connectors

CrystEngComm, 2024, Advance Article
DOI: 10.1039/D4CE00255E, Paper
Open Access
Raúl Mendoza-Báez, Alan Molina-Renteria, Juan Olguín
Two dinuclear dianionic helicates, K2[MII2(L)3] M = MnII (1) and NiII (2), based on 2-hydroxy-5-nitrobenzaldehyde, self-assemble into novel 3D coordination polymers due to nitro groups acting as secondary assembly instruction.
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Reddit protest: Why are thousands of subreddits going dark?

Starting next month, third-party app developers using Reddit's vast troves of data will have to pay a price and the changes could affect players across the spectrum




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WhatsApp, Google fixes dashboard bug in Android

Android Developers put out a tweet confirming the issue and its fix




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Twitter applies temporary limit to address data scraping, system manipulation: Elon Musk

That comes after Twitter had announced that it will require users to have an account on the social media platform to view tweets.




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Musk sets tweet-viewing limits to combat data scraping from large AI companies

Temporary limits to address “extreme levels of data scraping and system manipulation”




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What is Threads? Is Twitter in danger?

Threads accounts are linked to Instagram, allowing users to retain their usernames and followers.




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Meta’s Threads unveils ‘Following’ feature and more updates

This move comes shortly after Threads gained over 100 million sign-ups in just five days




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X to ask for users’ biometric data, job and school history

X’s updated privacy policy seeks to collect biometric data, job history of users




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TikTok, ByteDance sue to block US law seeking sale or ban of app

A law, signed by Joe Biden on April 24, gives ByteDance until January 19 to sell TikTok or face a ban




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WhatsApp’s latest update: Undo feature empowers users with message deletion flexibility

This new functionality complements the existing “Delete for Everyone” option, allowing users to undo message deletions within a brief window of five seconds




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Two-quarters of no disruptions will help revive entry-level bike and cars segments: FADA chief  

The EV segment needs to deliver good quality products, said Vinkesh Gulati




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Sugar output a tad lower in first 45 days of current season

Late start for sugar mills in west; lower exports following resumption this month




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India’s FTAs with EU, UK, Canada may not bring in significant gains, says report

Insignificant market access, introduction of new issues, a double whammy




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Ease of NPS account opening: PFRDA allows digital onboarding through Central KYC

Central KYC (CKYC) is managed by CERSAI, which is government authorised entity to function as Central KYC Registry




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Dharavi set to get a ₹5,000-crore makeover from Adani group

Adani group pips DLF to bag Asia’s biggest slum redevelopment project




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PFRDA wants Govt depts to fully adopt e-NPS method for onboarding new employees

Adopting ‘e-NPS Government’ method is necessary to align with goals of Centre’s Digital India program, PFRDA tells govt departments




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PFRDA pitches for doubling tax break for NPS subscribers in the upcoming Budget

For NPS subscribers, PFRDA seeks capital gains treatment on par with mutual funds industry for gains liquidated through Tier-II investments




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India will be a global price setter in fertilisers by 2024: Mandaviya

‘We will bring down DAP prices to below the $650/tonne level this month’, he said




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Strength of India intact, forex reserves swelled by $8 billion in last two days: FM

Nirmala Sitharaman said the regulators will do their job on the Adani issue




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Karnataka CM Siddaramaiah to flag off bl’s MSME Growth Conclave

Event to unleash the growth potential of the sector; discussions to spark ideas




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Remains of the day

Chennai has no dearth of statues. What if we had a contest to pick some of the most interesting? These five will surely find a place, writes GEETA PADMANABHAN




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At appachi’s kadai

Finding local fare, and falling in love, at a little hillside café in Sri Lanka




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A holiday without a bucket list

It is possible to enjoy an unhurried holiday in touristy Goa, filled with just the sound of crashing waves and the sight of emerald fields and golden sunsets, says SUBHA J RAO




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At home with Mr. Darcy

It’s Pride and Prejudice all over again, as SUDARSHANA SRINIVASAN wanders around Lyme Park




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Can the Dark Sky Reserve at Hanle be a gamechanger for stargazing in India?

As Hanle in Ladakh is poised to have India’s first Dark Sky Reserve, prospects for stargazing and astro tourism shine bright




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Data | Three deadly helicopter accidents in October point to broader concerns with Indian aviation

India scores poorly in licensing regime and organisational processes and over 40% of helicopter accidents have been due to pilot errors




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Olympic gold medallist Neeraj Chopra sky dives, paraglides and hikes around Switzerland, between servings of fondue

The javelin thrower has been roped in as the Friendship Ambassador of Switzerland. He also donated his gold-winning javelin to the The Olympic Museum in Lausanne



  • Life & Style

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Data | Kerala tops the country in terms of citizens with passports

India ranks low in terms of visa-free/visa-on-arrival regimes for travellers in 2022




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A dawn-to-midnight guide to celebrating New Year’s in Chennai

Bored of the usual plans and want to try something different to usher the new year in? We have got you covered from dawn to midnight



  • Life & Style

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Curating unique travel experiences in Udhagamandalam

Accidental hoteliers Vijay Prabhu and Meeta Prabhu of Littlearth chain of boutique hotels in Udhagamandalam give a push to unique travel experiences



  • Life & Style

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ICAI launches new chapters in Florida and Zurich, expands global presence

ICAI’s network now spans 81 cities across 47 countries, comprising 52 chapters, 29 representative offices globally.




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US, Australia, Canada allege India may be misreporting support for rice, wheat at WTO

India considers the procured quantity under MSP programme as eligible production as opposed to all production eligible for the price




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Embrace modern science, AYUSH secretary urges Ayurveda docs




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Wayanad bypoll: Priyanka Gandhi leads roadshow with Rahul on last day of campaigning

Addressing the crowd after roadshow, Priyanka Gandhi expresses her appreciation for diverse communities within Wayanad constituency




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Man sentenced to death for raping and murdering minor stepdaughter




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Pinarayi thwarted chances of Dalit person becoming CM in future, alleges Kuzhalnadan




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Rain to gain vigour, yellow alert for five districts on Wednesday




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Maratha bike rally in city on Sunday




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No toll till Friday, police to protect banks, ATMs




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Count birds from your backyard on Sunday




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Judges need their vacations, but justice can’t take a holiday

In a frank and outspoken discussion, retired HC judge V.G. Palshikar explains why courts have long vacations and how that relic of colonial rule could be replaced. He also spoke about the judiciary overstepping its limits, time wasted dealing with PILs, and the Bombay HC’s huge backlog of cases




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MHADA redevelopment: FSI to be proportionate to tenements, says govt.




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Juhu’s glow-in-the-dark beach

The rare natural occurrence is known as ‘bioluminescence’ and is caused by dinoflagellete, a plankton found in coastal areas.