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A mechanistic study of chiral manganese porphyrin-catalyzed enantioselective C–H hydroxylation reaction

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02452D, Paper
Jing-Kun Gao, Wandong Chen, Junjie Tai, Zhengwei Chen, Hang Liu, Yuxin Du, Yiting Jiang, Yuanbin She, Yun-Fang Yang
This study uses DFT to explain the enantioselectivity of C–H hydroxylation by a chiral manganese porphyrin. A two-point hydrogen bonding favors pro-(S) C–H bond abstraction by 1.9 kcal mol−1, leading to (S)-hydroxylated products.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Achieving gender parity is still a dream

Antiquated stereotypes about the roles and responsibilities of women are a pain




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Karnataka High Court directs Chief Secretary to form panel to examine plea for declaring Allama Prabhu Swamy temple as ancient monument  

The temple is submerged in the backwaters of Hidkal dam in Belagavi district for nearly six months in a year




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Chief Minister Siddaramaiah has no moral right to seek resignation of Prime Minister Narendra Modi, says Union Minister

Pralhad Joshi was responding to a challenge by Mr. Siddaramaiah to the PM to prove charges of corruption in Karnataka or resign.




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Rise in rent of paddy harvesting machines worries farmers




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Sandur bypolls: Ballari Deputy Commissioner appeals to voters to exercise franchise




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Movement of suspected Maoists in Chikkamagaluru: Jayapura police register case, seize three rifles




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The effects of COVID-19 on early childhood education [electronic resource] : research and implications / by Raquel Plotka and Ruth Guirguis.

[Bradford/] : Ethics International Press Ltd, 2024.




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Handbook of art therapy [electronic resource] / edited by Cathy A. Malchiodi.

New York : Guilford Press, 2012.




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Reconceptualizing Mental Illness in the Viral Age [electronic resource] : Souls in the Machine / by Elliott B. Martin, Jr.

Newcastle upon Tyne : Cambridge Scholars Publishing, 2024.




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Ketamine [electronic resource] : the story of modern psychiatry's most fascinating molecule / by Keith G. Rasmussen.

Washington, DC : American Psychiatric Association Publishing, [2024]




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Deserving finalists Calicut and Forca Kochi to battle it out for Super League Kerala crown

When the two sides met in the league phase, Calicut won a match (1-0) while the other was drawn (1-1)




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'Achieved everything I can', says Cavendish ahead of last race

Mark Cavendish, the world's most decorated sprinter, announced his retirement last year before reversing that decision and breaking the all-time record for most stage wins at the Tour de France during this year's race




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Chennai Grandmasters | Chithambaram downs Arjun, throws the title race wide open

With this win, Chithambaram (3.5) has joined Iranian Tabatabaei (3.5) to trail leaders Arjun (4) and Aronian (4) by just half a point




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Lead ion (Pb2+) electrochemical sensors based on novel Schiff base ligands

Environ. Sci.: Water Res. Technol., 2024, 10,2997-3006
DOI: 10.1039/D4EW00485J, Paper
Open Access
Zahra Akbari, Khouloud Abid, Daniela Iannazzo, Morteza Montazerozohori, Enza Fazio, Fortunato Neri, Carmelo Corsaro, Giovanni Neri
The work reports the development of an AuNPs-L1/SPCE sensor based on a novel L1 Schiff base, with enhanced Pb2+ sensitivity and LOD of 0.298 μM. The sensor is suitable for Pb2+ detection in seawater with no sample treatment.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Heavy metal leaching from stormwater control measures – insights into field and lab prestressed media and road-deposited sediments

Environ. Sci.: Water Res. Technol., 2024, Advance Article
DOI: 10.1039/D4EW00388H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Philipp Stinshoff, Yannic Henn, Steffen H. Rommel, Brigitte Helmreich
Heavy metals bound to filter media from stormwater control measures can leach out under unfavorable conditions. The potential overestimation due to different prestressing (lab vs. field) was evaluated with respect to the potential mobile fraction.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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India’s IT services market grew 6.1% in 2023, reaching a size of $14.5 bn: International Data Corporation

While IT investments showed a slower recovery compared to the previous year, digital transformation (DX) initiatives and IT environments would continue to drive market growth




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U.S. faces shortage of IV fluids, India alerts domestic firms to chip in 

The drug exporters body of India has asked Indian drug makers who have approvalsz, to express their willingness to supply to the U.S., where Hurricane Helene has caused damage to a manufacturing facility




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Talent from care homes to get a platform with ‘Thaliru’, an arts festival by Kerala child welfare council




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Poet Satchidanandan to gradually end his public life, cites memory issue




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KTU teaching appointments in limbo as Governor, State government clash over V-C appointment

KTU recently issued a notification seeking applications for six Professors, six Associate Professors and 28 Assistant Professors across the five schools offering postgraduate courses.




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‘Chinna Chinna Aasai’ to make wishes come true on Children’s Day

Idukki district administration launches programme that aims to bring gifts to 1,084 children across 43 registered homes in the district with public participation. Donation process can be initiated on the administration’s homepage




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How is fuel price rise pinching your pocket?

People fret about increase in essential expenses and tell us their ways of coping with it




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CSK has been a great franchise to work for, says Bichel




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Kalinga look to stop Ranchi juggernaut

Both Delhi Waveriders and Jaypee Punjab Warriors will hope to reach their third final




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Modi In Jharkhand: PM Tears Into JMM-Cong Coalition Over 'Paper-Leak, Recruitment Mafias', Vows To End 'Kharchi-Parchi' Culture

Drawing parallels with Haryana, the Prime Minister asserted that earlier, in Haryana, people had to pay a huge sum of money and wait for a letter from leaders to get a job, but when the BJP, which formed the government in the state, made the 'kharchi-parchi' system disappear.




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China’s first aircraft carrier ‘combat ready’: Official

Liaoning, which had previously been described in Chinese media as a surface platform for tests and training, has now "formally been described as having a real combat capacity," the state-run Global Times said.




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Russia-Pak.-China forum clouds Afghan donor meet

This has fuelled speculation of a growing axis spurred by new ties between Moscow & Islamabad




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U.S. could join China’s ‘Belt and Road’ initiative

An embrace of the China-led AIIB could be on the cards under a Trump administration




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Michigan man threatens to set hijab-wearing woman on fire




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U.S.-born panda twins struggle in China as they know only English

Sisters Meilun and Meihuan still prefer American crackers to Chinese bread ... and Chinese is Latin to them.




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China state media warn Trump against renouncing free trade deals

Chinese state media has warned Mr. Trump against isolationism and interventionism, calling instead for the United States to actively work with China to maintain the international status quo.




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Dalai Lama preaches in Mongolia, risking China’s fury

On Friday, China’s Foreign Ministry strongly urged Mongolia to deny the Dalai Lama a visit for the sake of a "sound and steady" development of bilateral ties.




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UAE-based Indian girl in International Children’s Peace Prize race

In line with the tradition, this year’s prize will be awarded by 2006 Nobel Peace Laureate Muhammad Yunus in the Hall of Knights (Ridderzaal) in The Hague on December 2.




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Dalai Lama visits Mongolia despite China’s objections




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China launches world’s longest quantum communication line




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Seven children killed in rebel shelling of school

After Syrian rebel shelling of the school in government-held western Aleppo.




chi

Ukraine's Zelensky fires top security chief and prosecutor

Ukrainian President Volodymyr Zelensky has fired the head of the country’s security service and its prosecutor general, citing hundreds of criminal proceedings into treason and collaboration by people within their departments




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Privately issued but regulated digital currencies have benefits, say central bank chiefs

The benefits would hinge on how such private companies issuing digital assets are regulated




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TikTok’s global security chief to step down

Roland Cloutier said his move followed recent changes to the security teams at the video-sharing app




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China summons U.S. envoy Nicholas Burns, warns America shall 'pay price' as Pelosi visits Taiwan

Chinese Vice-Foreign Minister Xie Feng “urgently summoned” the U.S. Ambassador to China Nicholas Burns late on August 2 night and lodged stern representations and strong protests over Nancy Pelosi’s visit




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China’s Finance Minister Lan says there is room for more economic stimulus; but offers no plan

“There are other policy tools that are being discussed that are still in the pipeline,” Chinese Finance Minister Lan said, adding that there is “ample room” in the budget




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China's economy grew 4.6% in July-September quarter, falling short of 5% target

The latest data show the world's second largest economy slowing from 4.7% annual growth in the previous quarter and falling short of the official target of “about 5%” growth for 2024,




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FPIs withdraw ₹85,790 crore from Indian equities in October on attractive Chinese market valuations

Since June, foreign portfolio investors (FPIs) have consistently bought equities after withdrawing ₹34,252 crore in April-May




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FPIs withdraw record ₹94,000 crore from Indian equities in October on attractive Chinese valuations

Foreign portfolio investors withdrew ₹94,000 crore from Indian stock market in October due to high valuations, shifting focus to Chinese stocks




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China braces for tensions after Trump victory in U.S.

As President-elect Donald Trump prepares to start his second term in office, China is looking at unpredictability in its ties with the U.S. and renewed tensions over trade, technology, and Taiwan




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Singles' Day shopping festival loses its shine under China's lagging economy

The annual event named by the numeric form of its Nov. 11 date was started by e-commerce platform Alibaba, which offered attractive discounts to entice shoppers to spend big.




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In South America, Trump already losing a trade battle with China

China’s trade lead in Peru over the United States widened to $16.3 billion last year, a stark reversal of just a decade ago when Washington was the dominant player.v




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Ahmedabad University announces Bagchi School of Public Health with ₹55 crore grant

Established in 2023, the school aims to revolutionise public health education and research in India




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IIT Madras gets largest single donation of ₹228 crore from Alumnus Krishna Chivukula

Chivukula graduated with a M. Tech (Aerospace Engineering), majoring in Jet Propulsion in 1970 from IIT Madras. In addition, he received an MBA from The Harvard Business School in 1980