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Stepwise assembly of nanoclusters guided by DNA origami frames with high-throughput

Chem. Commun., 2020, 56,4918-4921
DOI: 10.1039/D0CC00274G, Communication
Xiaodong Xin, Lihui Wang, Kaiwei Wang, Lizhi Dai, Hai Cao, Zheng Li, Ye Tian
We propose two strategies to construct nanoclusters efficiently with explicit positions of nanoparticles by the surface-encoded method.
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Oxyanion transport across lipid bilayers: direct measurements in large and giant unilamellar vesicles

Chem. Commun., 2020, 56,4910-4913
DOI: 10.1039/C9CC09888G, Communication
Krzysztof M. Bąk, Bartjan van Kolck, Krystyna Maslowska-Jarzyna, Panagiota Papadopoulou, Alexander Kros, Michał J. Chmielewski
A simple, carbazole-based dithioamide receptor transports a variety of biologically relevant anions through lipid bilayers, as shown by direct fluorescent assays in LUVs and GUVs.
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CRISPR/Cas-directed programmable assembly of multi-enzyme complexes

Chem. Commun., 2020, 56,4950-4953
DOI: 10.1039/D0CC01174F, Communication
Samuel Lim, Jiwoo Kim, Yujin Kim, Dawei Xu, Douglas S. Clark
We describe a versatile CRISPR/Cas-based strategy to construct precisely organized, scaffolded multi-enzyme systems with improved productivity.
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Atomically thin TiO2 nanosheets synthesized using liquid metal chemistry

Chem. Commun., 2020, 56,4914-4917
DOI: 10.1039/D0CC01456G, Communication
Turki Alkathiri, Nripen Dhar, Azmira Jannat, Nitu Syed, Md Mohiuddin, Manal M. Y. A. Alsaif, Robi S. Datta, Kibret A. Messalea, Bao Yue Zhang, Muhammad Waqas Khan, Aaron Elbourne, Naresh Pillai, Jian Zhen Ou, Ali Zavabeti, Torben Daeneke
The library of two-dimensional materials is limited since many transition metal compounds are not stratified and can thus not be easily isolated as nanosheets. Liquid metal-based synthesis provides a new approach to overcome this limitation.
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A highly active Rh1/CeO2 single-atom catalyst for low-temperature CO oxidation

Chem. Commun., 2020, 56,4870-4873
DOI: 10.1039/D0CC00230E, Communication
Bing Han, Tianbo Li, Junying Zhang, Chaobin Zeng, Hiroaki Matsumoto, Yang Su, Botao Qiao, Tao Zhang
Rh1/CeO2 SAC is highly active for CO oxidation, which exhibits a high TOF of 0.41 s−1via the Mars–van Krevelen mechanism.
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New insight derived from a two-compartment cell: electrochemical behavior of FeF3 positive electrode

Chem. Commun., 2020, 56,4878-4881
DOI: 10.1039/D0CC01162B, Communication
Kazuki Yoshii, Noboru Taguchi, Takeshi Miyazaki, Masahiro Shikano, Hikari Sakaebe
A designed two-compartment cell revealed the degradation mechanism and an essentially effective additive for the FeF3 composite electrode.
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Beyond temperature: controlling collagen fibrillogenesis under physiological conditions via interaction with cucurbit[7]uril

Chem. Commun., 2020, 56,4946-4949
DOI: 10.1039/D0CC01444C, Communication
Qiuping Xie, Delong Hou, Jinming Chang, Zhou Xu, Qi Zeng, Zhonghui Wang, Yi Chen
A supramolecular strategy as efficient as temperature that enabled facile control over collagen fibrillogenesis under physiological conditions was reported.
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Temperature-driven n–p conduction type switching without structural transition in a Cu-rich chalcogenide, NaCu5S3

Chem. Commun., 2020, 56,4882-4885
DOI: 10.1039/D0CC01429J, Communication
Shangqing Qu, Yonggang Wang, Yu Xiao, Yujie Yuan, Shengyi Li, Jikun Chen, Lidong Zhao, Zhiguo Xia, Jing Zhao
We report for the first time the discovery of reversible n–p conduction type switching in a chalcogenide, NaCu5S3, without structural transition.
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Chemically synthesized circular RNAs with phosphoramidate linkages enable rolling circle translation

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC02140G, Communication
Kosuke Nakamoto, Naoko Abe, Genichiro Tsuji, Yasuaki Kimura, Fumiaki Tomoike, Yoshihiro Shimizu, Hiroshi Abe
Circular RNA without a stop codon enables rolling circle translation. we carried out one-pot chemical synthesis of circular RNA from RNA fragments. The synthesized circular RNAs acted as translation templates, despite the presence of unnatural phosphoramidate linkages.
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Ultrasensitive DNA Electrochemical Biosensor Based on MnTBAP Biomimetic Catalyzed AGET ATRP Signal Amplification Reaction

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC02176H, Communication
Haobo Sun, Yunliang Qiu, Yajie Lu, Jinming Kong, Xueji Zhang
In this paper, an ultrasensitive, highly selective and green electrochemical biosensor for quantifying DNA sequences (aM DNA) based on MnTBAP catalyst for AGET ATRP reaction is proposed. For the first...
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Host-guest interaction based supramolecular photodynamic therapy system: a promising candidate in the battle against cancer

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC02001J, Feature Article
Kui Yang, Zhihua Zhang, Jie Du, Wei Li, Zhichao Pei
Owing to its spatiotemporal selectivity and noninvasive nature, photodynamic therapy (PDT) has become a promising approach for the treatment of cancer. However, the non-targeting capability and the accompanying side effects...
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Intra-mitochondrial self-assembly to overcome the intracellular enzymatic degradation of L-peptides

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC02029J, Communication
M. T. Jeena, Seokyoung Lee, Ayan Kumar Barui, Seongeon Jin, Yuri Cho, Suk-Won Hwang, Sehoon Kim, Ja-Hyoung Ryu
The design of peptide-based therapeutics is generally based on the replacement of L-amino acids with D-isomers to obtain improved therapeutic efficiency.
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A three-dimensional BODIPY–iron(III) compound with improved H2O2-response for NIR-II photoacoustic imaging guided chemodynamic/photothermal therapy

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01164A, Communication
Changjin Ou, Yewei Zhang, Wei Ge, Liping Zhong, Yong Huang, Weili Si, Wenjun Wang, Yongxiang Zhao, Xiaochen Dong
3D boron dipyrromethene (BODIPY)–Fe(III) coordination polymer nanoparticles with NIR-II absorption were developed as photothermal and chemodynamic agent to effectively kill cancer cells.
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A difluoroboron β-diketonate based thermometer with temperature-dependent emission wavelength

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01505A, Communication
Jian-Xin Wang, Yi-Shuai Yu, Li-Ya Niu, Bo Zou, Kai Wang, Qing-Zheng Yang
Difluoroboron β-diketonate complexes that manifested temperature-dependent emission wavelength are reported.
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Deep imaging for visualizing nitric oxide in lipid droplets: discovering the relationship between nitric oxide and resistance to cancer chemotherapy drugs

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01856B, Communication
Miantai Ye, Wei Hu, Meng He, Chenchen Li, Shuyang Zhai, Zhihong Liu, Yanying Wang, Huijuan Zhang, Chunya Li
A near-infrared two-photon fluorescent probe for selective detection and deep-depth imaging of NO helps to discover the relationship between NO and resistance to antitumor drugs.
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Harnessing chemical exchange: 19F magnetic resonance OFF/ON zinc sensing with a Tm(III) complex

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01876G, Communication
Meng Yu, Da Xie, Rahul T. Kadakia, Weiran Wang, Emily L. Que
A Tm(III) complex displays an “off–on” 19F NMR/MRI response to Zn(II) upon tuning the chemical exchange rate.
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An ultrasensitive electrochemical biosensor for Pseudomonas aeruginosa assay based on a rolling circle amplification-assisted multipedal DNA walker

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01619E, Communication
Huang Zhou, Shaoyun Duan, Ji Huang, Fengjiao He
An ultrasensitive electrochemical biosensor was developed based on RCA and multipedal DNA walking strategy for the assay of 16S rRNA gene, and it has great application potential in food safety, environmental monitoring, and disease diagnosis.
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Enzyme-mimicking accelerated signal enhancement for visually multiplexed quantitation of telomerase activity

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC01951H, Communication
Lu Sun, Qiao Zhao, Xinli Liu, Yongchun Pan, Yanfeng Gao, Jingjing Yang, Yuzhen Wang, Yujun Song
Here, we propose an amplification strategy of enzyme-mimicking accelerated signal enhancement integrated with triple-channel volumetric bar-chart chip for visually multiplexed quantitation of telomerase activity. This platform was used for evaluating...
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Liquid metal exfoliation of two dimensional polydopamine nanosheets for templated assembly of noble metal nanoparticles

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC02108C, Communication
Yong Liu, Juanjuan Li, Wei Zhang
A liquid metal-assisted exfoliation strategy is developed for synthesizing two-dimensional polydopamine nanosheets.
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A Caveat to Common Hemicyanine Dye Components and Its Resolution

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC01833C, Communication
Hyeon Jin Park, Chang Wook Song, Sourav Sarkar, Yong Woong Jun, Ye Jin Reo, Mingchong Dai, Kyo Han Ahn
Near-infrared-emitting hemicyanine dyes are widely used in activatable fluorescent probes for various biological analytes, which fact, on the contrary, poses a chemical stability issue along with photoinstability as shown here...
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Self-assembly of an organometallic Fe9O6 cluster from aerobic oxidation of (tmeda)Fe(CH2tBu)2

Chem. Commun., 2020, 56,4994-4997
DOI: 10.1039/D0CC00011F, Communication
Jonathan A. Kephart, Zachary Hecht, Brooke N. Livesay, Indrani Bhowmick, Matthew P. Shores, V. Codrina Popescu, Navamoney Arulsamy, Elliott B. Hulley
Aerobic oxidation of (tmeda)Fe(CH2tBu)2 in toluene or THF solution leads to the self-assembly of a magic-sized all-ferrous oxide cluster containing the Fe9O6 subunit and bearing organometallic and diamine ligands.
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Electrochemically generated N-iodoaminium species as key intermediates for selective methyl sulphonylimination of tertiary amines

Chem. Commun., 2020, 56,5010-5013
DOI: 10.1039/C9CC09869K, Communication
Binbin Huang, Chao Yang, Jia Zhou, Wujiong Xia
This study presents a straightforward protocol for approaching N-sulphonylamidines via an electricity-driven, iodine-mediated cross dehydrogenative condensation (CDC) between sulphonamides and tertiary amines.
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Synthetic method, growth mechanism and electrochemical properties of PbSnS2 nanosheets for supercapacitors

Chem. Commun., 2020, 56,5062-5065
DOI: 10.1039/D0CC01011A, Communication
Yuhan Zeng, Hehe Huang, Shenhu Huang, Tongtong Jiang, Zekai Fang, Lin Li, Yuming Dai
Facile hydrothermally synthesized PbSnS2 nanosheets with various morphologies were developed to obtain high performance electrode materials for supercapacitors.
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The synergy between the CsPbBr3 nanoparticle surface and the organic ligand becomes manifest in a demanding carbon–carbon coupling reaction

Chem. Commun., 2020, 56,5026-5029
DOI: 10.1039/D0CC01339K, Communication
Ignacio Rosa-Pardo, Carla Casadevall, Luciana Schmidt, Miguel Claros, Raquel E. Galian, Julio Lloret-Fillol, Julia Pérez-Prieto
The cooperative action between the CsPbBr3 surface and capping makes the photoredox homo-/cross-coupling of benzyl bromides under mild conditions possible.
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Modified cation-exchange membrane for phosphate recovery in an electrochemically assisted adsorption–desorption process

Chem. Commun., 2020, 56,5046-5049
DOI: 10.1039/C9CC09563B, Communication
Kostadin V. Petrov, Laura Paltrinieri, Lukasz Poltorak, Louis C. P. M. de Smet, Ernst J. R. Sudhölter
A novel ion separation methodology using a cation-exchange membrane modified with iron oxide nanoparticles (Fe3O4 NPs) coated with polyhexamethylene guanidine (PHMG) is proposed.
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On-demand acid-gated fluorescence switch-on in photo-generated nanospheres

Chem. Commun., 2020, 56,4986-4989
DOI: 10.1039/D0CC01557A, Communication
Jordan P. Hooker, Florian Feist, Laura Delafresnaye, Federica Cavalli, Leonie Barner, Christopher Barner-Kowollik
Polymer particles are synthesized using a photo-active ortho-methyl benzaldehyde with a terminal alkyne for cross-linking. The reactive 1,4-dihydronaphthalene at every cross-linking point undergoes aromatisation to a fluorescent naphthalene upon exposure to acid.
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Al centre-powered graphitic nanozyme with high catalytic efficiency for pH-independent chemodynamic therapy of cancer

Chem. Commun., 2020, Advance Article
DOI: 10.1039/D0CC01331E, Communication
Jun Li, Ke Yi, Yanli Lei, Zhihe Qing, Zhen Zou, Yuedong Zhang, Haiyan Sun, Ronghua Yang
In this work, an Al centre-powered graphitic nanozyme (Fe/Al-GNE) was developed for chemodynamic cancer therapy, which afforded pH-independent catalytic activity and high reaction kinetics.
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Efficient generation of sulfate radicals in Fe (II)/S (IV) system induced by WS2 nanosheets and examined by its intrinsic chemiluminescence

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC01999B, Communication
Tong Sun, Yingying Su, Houjing Liu, Hongjie Song, Yi Lv
In this study, more 〖SO〗_4^( ∙-) and strong intrinsic chemiluminescence (CL) can be achieved through activating sulphite (〖SO〗_3^( 2-)) with ferrous ions (Fe2+) on the WS2 nanosheets with the thickness...
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Superstructural diversity in salt-cocrystals: higher-order hydrogen-bonded assemblies formed using U-shaped dications and with assistance of π(-)−π stacking

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC02671A, Communication
Shweta P. Yelgaonkar, Daniyal Kiani, Jonas Baltrusaitis, Len R MacGillivray
Salt cocrystals with components that assemble by hydrogen bonds and aromatic anion-molecule stacks (π(−)−π stacks) are reported. U-shaped bipyridines and an isocoumarin carboxylic acid self-assemble to form 5-, 6-, and...
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Integration of ultra-high-pressure liquid chromatography-tandem mass spectrometry with machine learning for identifying fatty acid metabolite biomarkers of ischemic stroke

Chem. Commun., 2020, Accepted Manuscript
DOI: 10.1039/D0CC02329A, Communication
Lijian Zhang, Fei Ma, Ao Qi, Lulu Liu, Junjie Zhang, Simin Xu, Qisheng Zhong, Yusen Chen, Chun-yang Zhang, Chun Cai
We report for the first time the integration of ultra-high-pressure liquid chromatography-tandem mass spectrometry with machine learning for identifying fatty acid metabolite biomarkers of ischemic stroke. Especially, we develop an...
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The animation book : a complete guide to animated filmmaking--from flip-books to sound cartoons to 3-D animation / Kit Laybourne ; preface by George Griffin ; introduction by John Canemaker

Laybourne, Kit




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Typo survival kit for all type emergencies / Jill Yeland

Yelland, Jill




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GPU computing gems / [edited by] Wen-mei W. Hwu




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NoSQL distilled : a brief guide to the emerging world of polyglot persistence / Pramod J. Sadalage, Martin Fowler

Sadalage, Pramod J




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An integrated approach for content extraction, word segmentation and information presentation from Thai websites / Wigrai Thanadechteemapat

Thanadechteemapat, Wigrai




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An integrated mobile content recommendation system / Worapat Paireekreng

Paireekreng, Worapat




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Networked : the new social operating system / Lee Rainie and Barry Wellman

Rainie, Harrison




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Researching virtual worlds : methodologies for studying emergent practices / edited by Ursula Plesner and Louise Phillips




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Data protection and Facebook : an empirical analysis of the role of consent in social networks / by Patricia Rogosch and Erik Hohl

Rogosch, Patricia




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Grid systems in graphic design : a visual communication manual for graphic designers, typographers and three dimensional designers = Raster Systeme für die visuelle Gestaltung: ein Handbuch für Grafiker, Typografen und Ausstellungsgestalter / Jo

Müller-Brockmann, Josef, 1914-1996, author




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How to design logos, symbols, and icons : 23 internationally renowned studios reveal how they develop trademarks for print and new media / Gregory Thomas

Thomas, Gregory, 1949-




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Lemon poppy seed : multitasking creativity / [edited by Robert Klanten, Hendrik Hellige, Adeline Mollard]




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Mid fi / [concept, art direction & design, Emil Kozak]




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Typographic systems / Kimberly Elam

Elam, Kimberly, 1951-




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Bollywood cinema showcards : Indian film art from the 1950s to the 1980s / edited by Deepali Dewan ; with essays by Deepali Dewan, Rajesh Devraj, and Kajri Jain and contributions by Alexandra McCarter




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Branding element : logos 3 / [edited by SendPoints]




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Illustration now!. 5 / edited by Julius Wiedemann




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Design revolution : 100 products that are changing people's lives / Emily Pilloton ; foreword by Allan Chochinov

Pilloton, Emily




em

Concours ATSEM et ASEM - Catégorie C - Préparation complète et rapide à toutes les épreuves

18,90 €

Élodie Laplace
8e édition
mars 2020
256 pages
Ce livre « Tout-en-un » propose l'essentiel du cours en + de 60 fiches et + de 400 entraînements corrigés pour réviser et s'entraîner de façon rapide et efficace aux concours d'ATSEM et d'ASEM 2020/2021 !
Ouvrage tout-en-un
Nouveau
978-2-311-20825-2
Agent (territorial) spécialisé des écoles maternelles - 2020-2021
Disponible
Livre




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2800 QCM de culture générale et d'actualité - Méthode et entraînement - Catégories B et C

13,99 €19,90 €

Mélanie Hoffert, Lionel Lavergne
7e édition
mars 2020
352 pages
Un entraînement intensif en culture générale et actualité pour réussir les épreuves écrites et orales des concours de catégories B et C !
Ouvrage d'entraînement
Nouveau
978-2-311-20842-9
Concours 2020-2021
Disponible
Livre