03.07.2018 | Yangyang Jiang; Lin Du; Yuanming Li; Quanquan Mu; Zhongxu Cui; Jia Zhou; Wenming Wu, Analyst, 2018

Unlike conventional approaches that require bulky and expensive pumping equipment, herein, we present a simple method for self-activated microdroplet generation and transport inside a long microchannel. The high gas-pressure in the syringes is used to provide the built-in power of self-priming so ...

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03.07.2018 | James W. P. Brown; Georg Meisl; Tuomas P. J. Knowles; Alexander K. Buell; Christopher M. Dobson; Céline Galvagnion, Chemical Communication, 2018

Oligomeric and protofibrillar aggregates that are populated along the pathway of amyloid fibril formation appear generally to be more toxic than the mature fibrillar state. In particular, α-synuclein, the protein associated with Parkinson's disease, forms kinetically trapped protofibrils in the ...

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03.07.2018 | Steve Waitschat; Helge Reinsch; Merve Arpacioglu; Norbert Stock, CrystEngComm, 2018

Two new metal-organic framework compounds of composition [M12(μ3-O)8(μ3-OH)8(μ-OH)6(OH)6(H2O)6(APDC)6], with M = Zr and Hf denoted as M-CAU-39, containing the azopyridinedicarboxylate ion (APDC2-) as a new linker, were obtained by a water based synthesis. The crystal structure was determined from ...

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03.07.2018 | Zhen-Feng Cai; Wei-long Dong; Ting Chen; Huijuan Yan; Dong Wang; Wei Xu; Li-jun Wan, Chemical Communication, 2018

Here we show a conceptual approach to realize the scanning probe based induced-assembly of fullerene (C60) molecules on top of a buffer organic adlayer at room temperature in solution environment. The realization of spatially-defined C60 assembly is attributed to modulation of substrate-molecular ...

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03.07.2018 | Jacob B. Geri; Joanna L. Ciatti; Nathaniel K. Szymczak, Chemical Communication, 2018

Modular but geometrically constrained ligands were used to investigate the impact of key ligand design parameters (charge and bite angle) on CO2 hydrogenation and formic acid dehydrogenation activity. These studies yielded an optimized catalyst that achieved over 118 000 turnovers in CO2 ...

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03.07.2018 | Alexander Marchanka; Jan Stanek; Guido Pintacuda; Teresa Carlomagno, Chemical Communication, 2018

Fast (>100 kHz) magic angle spinning (MAS) Nuclear Magnetic Resonance (NMR) allows to combine the high sensitivity of proton detection with the absence of an intrinsic molecular weight limit in solid-state NMR. This technique enables observing for the first time narrow 1H NMR resonances for an ...

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03.07.2018 | Keita Saito; Shogo Okubo; Yasuyuki Kimura, Soft Matter, 2018

We studied the change in collective behavior of optically driven colloidal particles on a circular path. The particles are simultaneously driven by the orbital angular momentum of an optical vortex beam generated by a holographic optical tweezer. The driving force is controlled by the topological ...

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03.07.2018 | Helena K. Philpott; Pamela J. Thomas; David Tew; Doug E. Fuerst; Sarah L. Lovelock, Green Chemistry, 2018

The development of versatile and sustainable catalytic strategies for amide bond formation is a major objective for the pharmaceutical sector and the wider chemical industry. Herein, we report a biocatalytic approach to amide synthesis which exploits the diversity of Nature's amide bond forming ...

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03.07.2018 | Talita Gagini; Legna Colina-Vegas; Wilmer Villarreal; Luana Pereira Borba-Santos; Caroline de Souza Pereira; Alzir A ..., New Journal of Chemistry, 2018

The new complexes [Cu(PPh3)2(KTZ)2]NO3 (1), [Cu(PPh3)2(CTZ)2]NO3 (2), [Au(KTZ)2]Cl (3), [Au(CTZ)2]Cl (4) and Pt(KTZ)2Cl2 (5) were prepared by reaction of KTZ, CTZ (where CTZ: 1-[(2-chlorophenyl)-diphenylmethyl-1H-imidazole and KTZ: ...

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03.07.2018 | Yoshiharu Tatematsu; shinzi kato; Norio Nakata; Masahiro Ebihara; Osamu Niyomura; Koh Sugamata; Mariko Yukimoto; Mao ..., Dalton Transactions, 2018

A series of Group 2 metal bis(arenecarbochalcogenoato)(crown ether) complexes M(EE’CAr)2(L)(L’)x (M = Mg, Ca, Sr, Ba; Ar = aryl; E = S, Se; E’ = O, S; L = H2O or THF; L’ = 15-crown-5, 18-crown-6) were synthesized and their structures were revealed by X-ray analyses. The two carbothioato ligands ...

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