Royal Society of Chemistry

Recent development of two-photon fluorescent probes for bioimaging

Org. and Biomol. Chem. - 17 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4550-4566
DOI: 10.1039/C4OB00431K, Review ArticleDokyoung Kim, Hye Gun Ryu, Kyo Han Ahn
Fluorescent probes are essential tools for studying biological systems.
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Synthesis of 1-amino-2-aroyl/acetylnaphthalenes through a base mediated one pot inter and intramolecular C-C bond formation strategy

Org. and Biomol. Chem. - 17 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4730-4737
DOI: 10.1039/C4OB00432A, PaperSurjeet Singh, Pratik Yadav, Satya Narayan Sahu, Ismail Althagafi, Abhinav Kumar, Brijesh Kumar, Vishnu Ji Ram, Ramendra Pratap
Base mediated synthesis of highly functionalized aroyl/acetylnaphthalenes by the reaction of 2-(1-cyano-2,2-bis(methylthio)vinyl)benzonitrile and aryl methyl ketone or acetone has been reported.
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Interaction of amphiphilic [small alpha]-helical cell-penetrating peptides with heparan sulfate

Org. and Biomol. Chem. - 17 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4673-4681
DOI: 10.1039/C4OB00673A, PaperJi Yang, Hiroshi Tsutsumi, Tadaomi Furuta, Minoru Sakurai, Hisakazu Mihara
The binding of cell-penetrating peptides to heparan sulfate is investigated experimentally and computationally.
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Acetal-initiated Prins bicyclization for the synthesis of hexahydrofuro-[3,4-c]furan lignans and octahydropyrano[3,4-c]pyran derivatives

Org. and Biomol. Chem. - 17 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4754-4762
DOI: 10.1039/C4OB00305E, PaperB. V. Subba Reddy, M. Ramana Reddy, B. Sridhar, Kiran Kumar Singarapu
The stereoselective synthesis of hexahydrofuro[3,4-c]furan lignans and octahydropyrano[3,4-c]pyran derivatives is reported through a Prins bicyclization.
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FD173: Spinning of carbon nanotube fibres using the floating catalyst high temperature route: purity issues and the critical role of sulphur

Faraday Disc. - 16 June, 2014 - 23:54
Faraday Discuss., 2014, Accepted Manuscript
DOI: 10.1039/C4FD00066H, PaperThurid Susanne Gspann, Fiona Ruth Smail, Alan H Windle
The CVD process for the spinning of carbon nanotube (CNT) fibres combines the nucleation, growth and aggregation of CNTs in the form of an aerogel with fibre spinning into a...
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A plutonium-based single-molecule magnet

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03400G, CommunicationN. Magnani, E. Colineau, J.-C. Griveau, C. Apostolidis, O. Walter, R. Caciuffo
The relaxation properties of the [tris-(tri-1-pyrazolylborato)-plutonium(III)] complex are investigated by magnetic susceptibility measurements, showing it to be the first Pu-based single-molecule magnet.
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AuPd/polyaniline as the anode in an ethylene glycol microfluidic fuel cell operated at room temperature

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03288H, CommunicationN. Arjona, A. Palacios, A. Moreno-Zuria, M. Guerra-Balcazar, J. Ledesma-Garcia, L. G. Arriaga
AuPd/polyaniline was used for the first time, for ethylene glycol electrooxidation in a microfluidic fuel cell operated at room temperature.
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Tuning the thermosensitive properties of hybrid collagen peptide-polymer hydrogels

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03171G, CommunicationCharles M. Rubert Perez, Leslie A. Rank, Jean Chmielewski
Collagen peptide, PEG-based hydrogels with tuneable thermosensitive properties are validated as stimuli-responsive materials.
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Nitrate anion templated synthesis of a [2]catenane for nitrate recognition in organic-aqueous solvent media

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03200D, CommunicationMatthew J. Langton, Paul D. Beer
The first example of a catenane synthesised using a nitrate anion template is demonstrated. The resulting interlocked host is capable of selectively recognising nitrate over a range of more basic oxoanions in a competitive organic-aqueous solvent mixture.
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Dynamically controlled one-pot synthesis of heterogeneous core-shell MOF single crystals using guest molecules

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03588G, CommunicationLei Wang, Weiting Yang, Yangxue Li, Zhigang Xie, Wei Zhu, Zhong-Ming Sun
A new mixed guest approach for the synthesis of heterogeneous core-shell MOF crystals was exemplified by one-pot assembly of photoactive guests into an anionic host framework.
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Highly porous conjugated polymers for selective oxidation of organic sulfides under visible light

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02861A, CommunicationZi Jun Wang, Saman Ghasimi, Katharina Landfester, Kai A. I. Zhang
High surface area porous conjugated polymers were synthesized via the high internal phase emulsion polymerization technique and micropore engineering as efficient heterogeneous photocatalysts for highly selective oxidation of organic sulfides to sulfoxides under visible light.
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A novel flavin derivative reveals the impact of glucose on oxidative stress in adipocytes

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03464C, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jonathan Yeow, Amandeep Kaur, Matthew D. Anscomb, Elizabeth J. New
A fluorescent sensor for redox state shows reversible oxidation/reduction at biologically-relevant potentials, and is used to visualise cellular oxidative capacity.
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A novel Affibody bioconjugate for dual-modality imaging of ovarian cancer

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03454F, CommunicationYihong Wang, Zheng Miao, Gang Ren, Yingding Xu, Zhen Cheng
An Affibody based dual imaging probe (PET and optical imaging) has been successfully developed. Dendrimer PAMAM G0 was used as a platform to assemble an NIRF dye, a metal chelator, and Affibody for dual modality imaging of ovarian cancer. Excellent tumor imaging quality was achieved in both modalities in the living tumor mice models.
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Enantiomeric guests with the same signs of chiral optical responses

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02853H, CommunicationPaola Rizzo, Eugenia Lepera, Gaetano Guerra
The chiral response of non-racemic molecules, being guests of s-PS co-crystalline films, does not depend on their R or S molecular chirality but essentially only on the polymer host supramolecular chirality.
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Targeting lysosomal membrane permeabilization to induce and image apoptosis in cancer cells by multifunctional Au-ZnO hybrid nanoparticles

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03793F, CommunicationWen Gao, Wenhua Cao, Huaibin Zhang, Ping Li, Kehua Xu, Bo Tang
We developed multifunctional Au-ZnO hybrid nanoparticles for targeted induction lysosomal membrane permeabilization (LMP)-dependent apoptosis in cancer cells and real-time imaging.
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The influence of a S-to-S bridge in diiron dithiolate models on the oxidation reaction: a mimic of the Hairox state of [FeFe]-hydrogenases

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03583F, CommunicationDehua Zheng, Mei Wang, Lin Chen, Ning Wang, Minglun Cheng, Licheng Sun
A diiron complex replicates the [FeFe]-hydrogenase Hairox state and the reversible interconversion with an FeIFeI model of the Hred state.
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Effect of salt on the formation of salt-bridges in [small beta]-hairpin peptides

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03195D, CommunicationShahar Sukenik, Yoav Boyarski, Daniel Harries
The formation of salt-bridges in [small beta]-hairpin peptides is measured in increasing salt concentrations, indicating a decrease in the salt-bridged population due to charge-charge screening, as well as non-cooperative salt-bridge triads.
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Robust detection of tyrosine phosphatase activity by coupling chymotrypsin-assisted selective peptide cleavage and a graphene oxide-based fluorescent platform

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03498H, CommunicationFangfang Wang, Chenghui Liu, Yunlong Fan, Yucong Wang, Zhengping Li
A versatile PTP1B assay is developed by coupling chymotrypsin-based selective peptide cleavage reaction with a graphene oxide-based sensing platform.
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Protein electrochemistry using graphene-based nano-assembly: an ultrasensitive electrochemical detection of protein molecules via nanoparticle-electrode collisions

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03384A, CommunicationDa Li, Jingquan Liu, Colin J. Barrow, Wenrong Yang
The protein molecules are self-assembled on graphene nanosheets and amplified redox current is produced, which provides a new electrochemical detection approach towards single molecules.
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A tetraphenylethene-based caged compound: synthesis, properties and applications

Chem. Commun. - 16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03337J, CommunicationChris Y. Y. Yu, Ryan T. K. Kwok, Ju Mei, Yuning Hong, Sijie Chen, Jacky W. Y. Lam, Ben Zhong Tang
A tetraphenylethene-based caged compound is induced to emit strong cyan emission in aggregated state by UV irradiation. This property enables it to be applied in photo-patterning and anti-counterfeiting related areas.
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