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Photochemical carboborylation and three-component difunctionalization of α,β-unsaturated ketones with boronic acids via tosylhydrazones

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Published On ::

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC06537A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Álvaro Valdés-Maqueda, Manuel Plaza, Carlos Valdés
The photochemical carboborylation of α,β-unsaturated tosylhydrazones with boronic acids gives tertiary allylboronates. A one pot sequence involving an aldehyde allylation provides a powerful three-component method for diversity oriented synthesis.
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Triple-Function Porphyrin in Glycopolymeric Photosensitizer: From PhotoATRP to Targeted PDT

By pubs.rsc.org
Published On ::

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC06466F, Edge Article
Open Access
Jiahui Lin, Zhiyuan Ma, Weiwei Zuo, Meifang Zhu
Porphyrin derivatives serve as photocatalysts in reversible-deactivation radical polymerization and as photosensitizers in photodynamic therapy (PDT). Herein, a triple function porphyrin, ZnTPPC6Br, was synthesized as photocatalyst and initiator for photoATRP....
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Photoactivated hydride therapy under hypoxia beyond ROS

By pubs.rsc.org
Published On ::

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC06576J, Edge Article
Open Access
Xia Wang, Yijian Gao, Ting Wang, Zhaobin Wang, He Hang, Shengliang Li, Fude Feng
As compared to oxidative phototherapy, studies on reactive reductive species-participating photodynamic therapy (PDT) are rare. Porphyrins are typical photosensitizers restricted with oxygen level, but efficacy and selectivity are always uncompatible...
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Mojito, Rasputin and Booster Shot catch the eye

By www.thehindu.com
Published On :: Wed, 16 Oct 2024 17:53:01 +0530


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Del Aviz, Southern Force, Balmoral, Nyx, Chotipari and Macron excel

By www.thehindu.com
Published On :: Wed, 23 Oct 2024 18:09:59 +0530


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Quick Gun Shotgun

By www.thehindubusinessline.com
Published On :: Fri, 19 Jan 2024 16:16:36 +0530

It may be made like a gun, but does the all-new Royal Enfield Shotgun 650 go like a bullet?


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Near-infrared responsive gold nanorods for highly sensitive colorimetric and photothermal lateral flow immuno-detection of SARS-CoV-2

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00347K, Paper
Xiaohui Liu, Jingwen Li, Kun Wang, Xiang Li, Shenming Wang, Gengchen Guo, Qiaowen Zheng, Maosheng Zhang, Jingbin Zeng
We developed a colorimetric and photothermal dual-mode LFIA platform for sensitive and selective SARS-CoV-2 N protein detection based on gold nanorods.
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Online quantification of nicotine in e-cigarette aerosols by vacuum ultraviolet photoionization mass spectrometry

By pubs.rsc.org
Published On ::

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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Three-dimensional hotspot structures constructed from nanoporous gold with a V-cavity and gold nanoparticles for surface-enhanced Raman scattering

By pubs.rsc.org
Published On ::

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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Design and Synthesis of coumarin-based amphoteric antimicrobials with the biofilm interference and immunoregulation effects

By pubs.rsc.org
Published On ::

RSC Med. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4MD00721B, Research Article
Qun Tang, Haiyang Zhang, Kasemsiri Chandarajoti, Zirui Jiao, Lianhua Nie, Sai Lv, Jiakun Zuo, Wen Zhou, Xiangan Han
Bacterial infections pose a threat to the health of animals and human being, and the biofilm formation exacerbates the microbial threat. New antimicrobial agents to address this challenge are much...
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Correction: Anti-schistosomal activity and ADMET properties of 1,2,5-oxadiazinane-containing compound synthesized by visible-light photoredox catalysis

By pubs.rsc.org
Published On ::

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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meso-Substituted AB3-type phenothiazinyl porphyrins and their indium and zinc complexes photosensitising properties, cytotoxicity and phototoxicity on ovarian cancer cells

By pubs.rsc.org
Published On ::

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD00601A, Research Article
Open Access
Brém Balázs, Bianca Stoean (Vasile), Éva Molnár, Eva Fischer-Fodor, Ovidiu Bălăcescu, Raluca Borlan, Monica Focsan, Adriana Grozav, Patriciu Achimaş-Cadariu, Emese Gál, Luiza Gaina
New meso-substituted AB3-type phenothiazinyl porphyrins and ferrocenylvinyl phenothiazinyl porphyrin were synthesised by Suzuki–Miyaura and Mizoroki–Heck cross-coupling reactions, respectively.
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Light enhanced cytotoxicity and antitumoral effect of a ruthenium-based photosensitizer inspired from natural alkaloids

By pubs.rsc.org
Published On ::

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD00600C, Research Article
Open Access
Gennaro Sanità, Maria Laura Alfieri, Barbara Carrese, Serena Damian, Vincenza Mele, Gaetano Calì, Brigida Silvestri, Sebastiano Marra, Susan Mohammadi, Giuseppina Luciani, Paola Manini, Annalisa Lamberti
Biological assays carried out on melanoma and breast cancer cells highlighted the role of light in boosting the cytotoxic effect of a ruthenium complex featuring a dihydroisoquinoline ligand suggesting applications in photodynamic therapy.
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553: TypeScript, DX, GripeScript, and Astro v2 with Fred Schott

By shoptalkshow.com
Published On :: Mon, 20 Feb 2023 10:37:22 +0000

Fred Schott stops by to talk about TypeScript, what DX means in 2023, a bit of GripeScript, and being transparent about what Astro is good at, and what it's not.


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582: Lifetime Plan, Pricing #HotDrama, and CSS Resets

By shoptalkshow.com
Published On :: Mon, 11 Sep 2023 09:33:44 +0000

Getting tripped up on audio at conferences, announcing the ShopTalk Show Lifetime Plan, some Once pricing #hotdrama, remembering Molly Holzschlag, web components, Luro launch day thoughts, and a question about using a normalize or sanitize in 2023 prompts a run through of Andy Bell's Modern CSS Reset.


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584: Community, Partnerships, Images, and Astro with Fred K. Schott

By shoptalkshow.com
Published On :: Mon, 25 Sep 2023 07:02:00 +0000

Fred K. Schott stops by to talk about building community, open source and sponsorship, building on partnerships in the dev community, WordPress + Astro, view transitions, using Discord for support, and leaking secret Astro Studio details.


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620: Cloudflare #HotDrama, Auth, and Prototyping Thoughts

By shoptalkshow.com
Published On :: Mon, 17 Jun 2024 08:27:24 +0000

Show DescriptionWe dive a bit deeper into the Cloudflare drama of the past couple of weeks, Instagram ads vs Cara art, what to do about Auth in your app, pre-negging any sponsorships, prototyping and feedback on projects, and ideas for future topics. Listen on Website →Links Cloudflare took down our website after trying to force […]


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636: W Hot Drama Week (WordPress, WP Engine, and Web Components – Oh My!)

By shoptalkshow.com
Published On :: Mon, 07 Oct 2024 07:55:29 +0000

We're getting some feelings out about WordPress and Matt Mullenweg vs WP Engine drama, as well as the Web Components conversation that happened this past week.


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Options for hot water

By www.thehindu.com
Published On :: Fri, 27 Feb 2015 19:01:30 +0530

Energy consumed in heating water may not appear like a major problem, compared to industries, but thousands of homes each with 2 or 3 heaters may surpass many industries in energy consumption.


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Cold plunges, hot saunas, smoothies, and fasting

By www.thehindubusinessline.com
Published On :: Sun, 06 Oct 2024 21:49:00 +0530

Fitness regimen on the go


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Diamonds are a UV photodetector’s best friend

By www.thehindubusinessline.com
Published On :: Sun, 20 Oct 2024 21:34:55 +0530

How lab-grown rocks from Surat are set to power the development of high-performance electronics


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  • Science and Technology
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Lessons learnt in the hot seat

By www.thehindubusinessline.com
Published On :: Sun, 14 Mar 2021 20:47:45 +0530

Jeff Immelt, the former CEO of GE, recounts his experience of steering the company during turbulent times


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Why gas is not just hot air

By www.thehindubusinessline.com
Published On :: Sun, 30 May 2021 20:38:37 +0530


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Observability and mathematics [electronic resource] : Quantum Yang-Mills theory and modelling / Boris Khots.

By darius.uleth.ca
Published On ::


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Cool workouts for hot days

By www.thehindu.com
Published On :: Mon, 21 Mar 2016 17:06:47 +0530

Don’t let the summer stop you from exercising


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Still Longshots / directed by: David Finch, Maureen Marovitch ; produced by: Dan Emery, David Finch, Germaine Ying Gee Wong, Sally Bochner, Ravida Din ; production agencies: Picture This Productions (Montreal), National Film Board of Canada (Montreal)

By darius.uleth.ca
Published On ::

Montreal : National Film Board of Canada, 2018


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Grand Vijayawada by GRT Hotels rings in Christmas celebrations

By www.thehindu.com
Published On :: Sun, 10 Nov 2024 19:47:16 +0530


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Inferno: Definitely not hot as hell

By www.thehindu.com
Published On :: Fri, 14 Oct 2016 00:00:00 +0530

With its fast pace and gorgeous locations, Ron Howard’s latest isonly pretty to watch


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Arihant partners with Empee Hotels to build new commercial space in Chennai

By www.thehindubusinessline.com
Published On :: Mon, 26 Aug 2024 19:54:06 +0530

This project will integrate office space with hospitality services, says a release


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Kitsch kitsch hota hai

By www.thehindu.com
Published On :: Sat, 11 Aug 2012 16:06:17 +0530

Sixty five years after Independence, we are learning to be less apologetic about ourselves. Indian designers are embracing street culture with a vengeance.


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  • Life & Style
hot

Photocatalytic hydrotrichloromethylation of unactivated alkenes with chloroform

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01496K, Research Article
Dawei Gong, Caiyu Gao, Qixuan Li, Yufei Li, Lina Zhao, Degong Kong
Trichloromethyl compounds are essential constituents in synthetic and medicinal chemistry.
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Visible-light heterogeneous photocatalysis with an ionic porous organic polymer (IPOP): synthesis of β-keto sulfoxides and benzothiophene diesters by tandem radical addition–oxidation reactions

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01382D, Research Article
Ajay Kumar Sahoo, Parag Tamuly, Jarugu Narasimha Moorthy
An IPOP, constructed constructed from cyanuric chloride and the readily accessible 2,5-di(pyridin-4-yl)thiazolo[5,4-d]thiazole (BpyTzTz), is shown to exhibit excellent visible light absorption and serve as a metal-free heterogeneous photocatalyst.
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Iron-catalyzed thiolation of C(sp3)–H with sulfonyl chlorides via photoinduced ligand-to-metal charge transfer

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01488J, Research Article
Sheng-Ping Liu, Lan Yang, Yan-Hong He, Zhi Guan
A photoinduced FeCl3/HCl synergistic catalytic method enables C(sp3)–S bond formation via reductive cross-coupling of activated/inert C(sp3)–H and aryl/alkyl sulfonyl chlorides through ligand-to-metal charge transfer (LMCT).
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Photocatalytic arylation/alkylation of olefins/alkynes via halogen-atom transfer mediated by NHC-BH3

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01562B, Research Article
Xinhan Li, Yao Zhong, Fengsong Tan, Yusong Fei, Xiaohan Zhao, Jianbin Xu, Baomin Fan
A versatile method for radical reductive cross-coupling of iodides and activated olefins under mild conditions, facilitated by NHC-BH3 through photocatalysis, was developed.
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Photoinduced cobaloxime catalysis for allylic mono- and diphosphinylation of alkenes with hydrogen evolution

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01638F, Research Article
Aijun Zhang, Miao-Miao Li, Lei Guo, Huaixiang Yang, Jiefei Guo, Da Xu, Wei Ding
A highly efficient allylic radical mono- and diphosphinylation of alkenes with secondary phosphine oxides is developed, via visible-light-induced cobaloxime catalysis.
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Iridium/palladium dual photocatalysis for oxidative decarboxylative esterification of alcohols using α-keto acids

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6367-6379
DOI: 10.1039/D4QO01452A, Research Article
Subal Mondal, Soumya Mondal, Debabrata Halder, Siba P. Midya, Ankan Paul, Pradyut Ghosh
Herein, we report an unprecedented oxidative decarboxylative C–O cross-coupling reaction for the esterification of feedstock α-keto carboxylic acids and alcohols under mild conditions.
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A cucurbit[8]uril-mediated host–guest complex for red-light photocatalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6327-6332
DOI: 10.1039/D4QO01492H, Research Article
Weiquan Xu, Yinghao Du, He Ma, Xingchen Tang, Jiang-Fei Xu, Xi Zhang
Two-step host–guest complexation can occur between an elongated dye and CB[8], leading to the formation of CB[8]@2TPP and 3CB[8]@2TPP sequentially. Of these species, 3CB[8]@2TPP in particular can act as an efficient red-light photocatalyst.
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Visible light-induced aerobic photooxidative cleavage of C(sp3)–C(sp2) σ-bonds of allylarenes

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6385-6392
DOI: 10.1039/D4QO01243G, Research Article
Jinyu Tang, Xi Zhao, Jinxuan Ni, Yanping Huo, Yang Gao, Xianwei Li, Yan Liu, Keiji Maruoka, Qian Chen
A cleavage of C(sp3)–C(sp2) σ-bonds of allylarenes to aromatic aldehydes and ketones has been achieved via a visible light-induced photocatalysis.
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Sulfenylation of bioactive maleimides, acrylates and cyclohexenones under ambient organophotocatalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6503-6509
DOI: 10.1039/D4QO01342E, Research Article
Debanjana Bag, Rajjakfur Rahaman, Anindya S. Manna, Subhasis Pal, Rajesh Nandi, Shobhon Aich, Narendra Nath Ghosh, Dilip K. Maiti
A novel visible light-induced sulfenylation of biologically important maleimides, acrylates and cyclohexenones has been developed using cheap and easily available organophotoredox catalyst Eosin Y with thiols under ambient conditions.
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Shining light on sulfonium salts and sulfur ylides: recent advances in alkylation under photoredox catalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,6573-6588
DOI: 10.1039/D4QO01644K, Review Article
Zhe Jin, Tingwei Yu, Hui Wang, Penghao Jia, You Huang
Recent advancements in photoredox alkylation with sulfur ylides, sulfonium salts and related analogues are summarized in this review.
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DABSO-Mediated Pummerer Reaction Enables One-Pot Synthesis of Pyrroloquinolines for Accessing Marinoquinolines: Mechanistic, Photophysical and Pharmacological Investigations

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01512F, Research Article
Rahimuddin Khan, Dipun Kumar Penthi, Aditi Chatterjee, Chandrakanta Sahoo, Shanti Gopal Patra, Viswanathan Arun Nagaraj, Tabrez Khan
A new one-pot acid- and exogenous oxidant-free synthesis of pyrrolo[2,3-c]quinolines has been developed. The strategy involves chemoselective reduction of the 3-(2-nitrophenyl)-1H-pyrroles (pyrrolnitrin derivatives) and subsequent DABSO-facilitated Pummerer reaction in the...
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Catalyst-free C–H methylation of heteroarenes enabled by electron donor–acceptor complex photoactivation

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01309C, Research Article
Jiayang Wang, Baoer Shao, Haixia Ge, Huiyu Xue, Xiangyuan Ding, Yuqi Li, Peiyao Sheng
A visible-light-induced direct C–H methylation of heterocycles (including quinoxalinones, pyrazinones, quinolinones and coumarins) with methylamines via EDA complex photoactivation was developed.
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Thiocyanoalkylation of Alkenes via Dual Photoredox and Copper Catalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01864H, Research Article
Xu Wang, Bi-Yin Xiao, Qi-Xuan Jiang, Wei Huang, Feng-Hua Zhang
Organic thiocyanates are commonly used as an essential organic synthesis intermediate and widely present in various drug molecules and bioactive molecules. Herein, a copper and photoredox catalyzed thiocyanoalkylation reaction of...
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Stereocontrolled synthesis of heterocycles from unactivated alkynes by photoredox/nickel dual-catalyzed cyclization

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01627K, Research Article
Bo-Rong Leng, Feng Yang, Jin-Lian Bai, Yu-Wen Huang, Qing-Quan Liu, Ping Wei, De-Cai Wang, Yi-Long Zhu
We report a nickel/photoredox dual catalysis method for synthesizing heterocyclics from unactivated alkynes and aryl iodides, offering a direct, selective, and green alternative to traditional synthesis with potential in medicinal chemistry.
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Visible-light responsive defluorination-acyl fluoride exchange for photoclick labeling based on phenoxazine chromophores

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01870B, Research Article
Lijun Deng, Sitong Li, Cefei Zhang, Yuqiao Zhou, Zhishan Su, Changwei Hu, Xiaohu Zhao, Zhipeng Yu
We developed a new generation of photo-DAFEx reagents to realize photoaffinity labeling for drug discovery under 405 nm light control.
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Hidden Cuba: A Photojournalist’s Unauthorized Journey to Cuba to Capture Daily Life — 50 years After Castro’s Revolution

By atlanticpub.wordpress.com
Published On :: Tue, 31 Jul 2012 19:53:51 +0000

Renowned American photographer Jack Watson travelled to Cuba on a legal humanitarian visa. He chronicled his journey with breath-taking, and often heart breaking images of he Cuba people, cites, and countryside. Watson describes his visit:  “I had stepped back in time 50 years — this was my first impression of Cuba. My journey, which began […]


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Phenylsulfonate as a photolabile group for intramolecular carbon–carbon cross-coupling reactions

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35227-35231
DOI: 10.1039/D4RA06592A, Paper
Open Access
Simon Plaize, Jean-François Morin
This study reports the use of phenylsulfonates as photolabile groups to generate aryl radicals, which undergo radical cyclization to yield triphenylene derivatives. The reaction is efficiently carried out under 365 nm with a triplet sensitizer.
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Ab initio study of electronic, elastic, thermodynamic, photocatalytic properties of double antiperovskite, Cs6AgBiX2 (X = Cl, Br, I)

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35348-35359
DOI: 10.1039/D4RA05661B, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Laraib Sajid, M. Usman Saeed, S. H. Mashadi, S. Sheryar Abid, Shamiala Pervaiz, Zeeshan Ali, Yousef Mohammed Alanazi, Aziz-Ur-Rahim Bacha, Y. Saeed
We use DFT to study the structural, electronic, optical, photocatalytic, mechanical, vibrational, and thermodynamical behaviors of new double antiperovskite Cs6AgBiX2 (X = Cl, Br, I).
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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

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,35980-35991
DOI: 10.1039/D4RA07150F, Paper
Open Access
Angie C. Forero-Girón, Mauricio Oyarzún, Kevin Droguett, Denis Fuentealba, Soledad Gutiérrez-Oliva, Barbara Herrera, Alejandro Toro-Labbé, Eduardo Fuentes-Lemus, Michael J. Davies, Camilo López-Alarcón, Margarita E. Aliaga
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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In silico molecular docking and ADMET prediction of biogenic zinc oxide nanoparticles: characterization, and in vitro antimicrobial and photocatalytic activity

By pubs.rsc.org
Published On ::

RSC Adv., 2024, 14,36209-36225
DOI: 10.1039/D4RA06890D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Hajara Akhter, Susmita Sarker Ritu, Shahariar Siddique, Fariha Chowdhury, Rehnuma Tasmiyah Chowdhury, Samina Akhter, Mahmuda Hakim
A facile green route to synthesize zinc oxide nanoparticles using watermelon rind extract with antimicrobial and photocatalytic potential.
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