FEN1-assisted DNA logic amplifier circuit for fast and compact DNA computing
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00203b. Online ahead of print.ABSTRACTThis work developed DNA amplifier logic gates (AND-OR, OR-AND, FAN-IN, FAN-OUT, and 4-bit square-root circuits) using a flap endonuclease 1 (FEN1)-catalyzed signal amplification reaction, for the fastest and compact DNA computing. Moreover, the logic circuit can use input strands with concentrations of less than 1 nM, which is more than 100 times lower than the input concentration of other DNA logic circuits, providing a promising methodology for constructing fast and compact DNA computations.PMID:38577866 | DOI:10.1039/d4cc00203b (Sourc...
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Zheng Xiang Jia-Yi Zheng Xueping Ma Yanan Chu Qinxin Song Guohua Zhou Bingjie Zou Haiping Wu Chen Wang Source Type: research

Highly substituted benzo[ < em > b < /em > ]furan synthesis through substituent migration
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc01192a. Online ahead of print.ABSTRACTAn unusual benzofuran synthesis from 2,6-disubstituted phenols and alkynyl sulfoxides is disclosed. Various highly substituted benzofurans were synthesized via the charge-accelerated [3,3]-sigmatropic rearrangement and subsequent substituent migration. Multiaryl-substituted benzofurans and fully substituted benzofurans were prepared on the basis of the unique reaction mechanism.PMID:38578172 | DOI:10.1039/d4cc01192a (Source: Chemical Communications)
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Akihiro Kobayashi Shinya Tabata Suguru Yoshida Source Type: research

A bioetching-induced visualized-organic photoelectrochemical transistor dual-signal mode sensor for alkaline phosphatase detection
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc01174k. Online ahead of print.ABSTRACTA study of an integrated OPECT biosensor gate and the EC color-changing region on the same chip was carried out, achieving sensitive detection through bioetching-induced signal changes. Enzymatic bioetching enables specific alkaline phosphatase (ALP) detection by catalyzing the production of CdS, which modulates the channel current and generates a visual signal.PMID:38576349 | DOI:10.1039/d4cc01174k (Source: Chemical Communications)
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Cunhao Fan Jingjie Lai Xilong Zhou Yuanhao Liu Zhiying Shao Kezuo Di Fuheng You Lijun Ding Kun Wang Source Type: research

Creation of a boron carbide-based Ti < sub > 3 < /sub > AlBC (312) MAX phase: a route to novel MXenes for energy storage
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00660g. Online ahead of print.ABSTRACTA novel boron carbide (B4C)-based Ti3AlBC (312) MAX phase was predicted for the first time via density functional theory (DFT). The stability of the MAX phase was confirmed by mechanical and thermal property analyses. The computational details revealed the attractive properties of Ti3AlBC, indicating its potential as an advanced material with improved characteristics. Its thermodynamic properties are reported as a function of temperature, indicating its potential for energy storage applications.PMID:38576405 | DOI:10.1039/d4cc00660g (Sou...
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Md Shahinoor Alam Mohammad Asaduzzaman Chowdhury Md Rasidul Islam Md Saiful Islam Md Moynul Islam Razu Ahmed Source Type: research

Engineering mechanical compliance in polymers and composites for the design of smart flexible sensors
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00938j. Online ahead of print.ABSTRACTPolymers are one of the most popular materials for next-generation flexible sensing device fabrication due to their tunable mechanical and electrical properties. A series of prior research studies in the field of smart flexible and wearable sensing illustrates the potential of various polymer and composite materials to be applied in sensor development. In this direction, mechanical compliance plays a vital role as it ensures the stability and reliability of the fabricated sensor. Therefore, engineering mechanical compliance for the devel...
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Shivank Sahu Kamalesh Tripathy Mitradip Bhattacharjee Deepak Chopra Source Type: research

Halide-free CO < sub > 2 < /sub > cycloaddition onto styrene oxide catalysed by first row transition-metal derivatives of polyoxotungstates
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00522h. Online ahead of print.ABSTRACTQuaternary ammonium salts of metal derivatives of polyoxometalates [XW11O39M(H2O)]n- (X = P, Si; M = Cr, Mn, Co, Ni, Zn) were successfully tested instead of quaternary ammonium halides as catalysts in the cycloaddition of CO2 to styrene oxide. Remarkably, they gave very satisfactory yields of styrene carbonate at moderate temperature (80 °C).PMID:38577743 | DOI:10.1039/d4cc00522h (Source: Chemical Communications)
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Jingjing Ren Anna Proust Franck Launay Richard Villanneau Source Type: research

Copper(I)-free syntheses of [ < sup > 11 < /sup > C/ < sup > 18 < /sup > F]trifluoromethyl ketones from alkyl or aryl esters and [ < sup > 11 < /sup > C/ < sup > 18 < /sup > F]fluoroform
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00465e. Online ahead of print.ABSTRACTHerein, we report a copper(I)-free method for labeling the trifluoroacetyl group with positron-emitting carbon-11 (t1/2 = 20.4 min) or fluorine-18 (t1/2 = 109.8 min) as part of our exploration of radiolabeled fluoroforms to access new radiolabeled chemotypes of interest for tracer development. Treatment of alkyl esters and aryl esters, containing electron-donating or electron-withdrawing groups, with [11C/18F]fluoroform in the presence of strong base, gave [11C/18F]trifluoromethyl ketones as novel radiolabeling synthons in moderate to hi...
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Susovan Jana Sanjay Telu Jimmy E Jakobsson Bo Yeun Yang Victor W Pike Source Type: research

Acceleration of hydrolytic ring opening of N7-alkylguanine by the terminal carbamoyl group of glycidamide
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d3cc04997c. Online ahead of print.ABSTRACTHydrolytic ring opening of guanine N7-adducts with compounds containing an oxacyclopropane ring, namely glycidamide, glycidol and 1,2-epoxybutane, was analyzed, and the reaction of the glycidamide adduct was the fastest. The differences in the reaction rates were confirmed by theoretical calculations.PMID:38577847 | DOI:10.1039/d3cc04997c (Source: Chemical Communications)
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Shigenori Iwai Yuta Hayashi Tomohiro Baba Yasutaka Kitagawa Source Type: research

FEN1-assisted DNA logic amplifier circuit for fast and compact DNA computing
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc00203b. Online ahead of print.ABSTRACTThis work developed DNA amplifier logic gates (AND-OR, OR-AND, FAN-IN, FAN-OUT, and 4-bit square-root circuits) using a flap endonuclease 1 (FEN1)-catalyzed signal amplification reaction, for the fastest and compact DNA computing. Moreover, the logic circuit can use input strands with concentrations of less than 1 nM, which is more than 100 times lower than the input concentration of other DNA logic circuits, providing a promising methodology for constructing fast and compact DNA computations.PMID:38577866 | DOI:10.1039/d4cc00203b (Sourc...
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Zheng Xiang Jia-Yi Zheng Xueping Ma Yanan Chu Qinxin Song Guohua Zhou Bingjie Zou Haiping Wu Chen Wang Source Type: research

Highly substituted benzo[ < em > b < /em > ]furan synthesis through substituent migration
Chem Commun (Camb). 2024 Apr 5. doi: 10.1039/d4cc01192a. Online ahead of print.ABSTRACTAn unusual benzofuran synthesis from 2,6-disubstituted phenols and alkynyl sulfoxides is disclosed. Various highly substituted benzofurans were synthesized via the charge-accelerated [3,3]-sigmatropic rearrangement and subsequent substituent migration. Multiaryl-substituted benzofurans and fully substituted benzofurans were prepared on the basis of the unique reaction mechanism.PMID:38578172 | DOI:10.1039/d4cc01192a (Source: Chemical Communications)
Source: Chemical Communications - April 5, 2024 Category: Chemistry Authors: Akihiro Kobayashi Shinya Tabata Suguru Yoshida Source Type: research

The innovative design of high-performance layered transition metal oxides for sodium-ion batteries from a commercial perspective
Chem Commun (Camb). 2024 Apr 4. doi: 10.1039/d4cc00831f. Online ahead of print.ABSTRACTSodium-ion batteries (SIBs), which have ample reserves and low production costs, are receiving more and more attention. As promising cathode candidates, layered transition metal oxides (LTMOs) have attracted intensive interest for their nontoxicity, high theoretical capacities, ease of manufacture, suitable voltage, abundant resources, and potential low cost. However, the commercial implementation of LTMOs is still hampered by their low rate capability, low energy density, insufficient cycling stability, and air instability. Therefore, t...
Source: Chemical Communications - April 4, 2024 Category: Chemistry Authors: Jingjing Pan Jialu Wu Xiaomin Zou Shulei Chou Bo Zhang Source Type: research

Synthesis and optical properties of antimony(V) complexes of a trianionic N < sub > 2 < /sub > O < sub > 2 < /sub > -type tetradentate dipyrrin ligand
Chem Commun (Camb). 2024 Apr 4. doi: 10.1039/d4cc00630e. Online ahead of print.ABSTRACTLSbCl2, an air- and moisture-stable antimony(V)-dipyrrin complex at room temperature, was obtained by treating an excess amount (20 eq.) of SbCl3 with a trianionic N2O2-type tetradentate dipyrrin ligand (L) under visible-light irradiation and O2 atmosphere. The Cl ligands in LSbCl2 were replaced by OH ligands via hydrolysis, yielding LSb(OH)2. Further, the molecular structures and optical properties of the Sb(V)-dippyrin complexes were investigated. While LSbCl2 was non-fluorescent, LSb(OH)2 exhibited an intense red fluorescence with a p...
Source: Chemical Communications - April 4, 2024 Category: Chemistry Authors: Tomohiro Agou Shunsuke Kuroiwa Hiroki Fukumoto Tatsuya Nabeshima Source Type: research

Novel application of imidazole-based ligand-templated borates in a zinc-air battery
Chem Commun (Camb). 2024 Apr 4. doi: 10.1039/d4cc00206g. Online ahead of print.ABSTRACTTwo templated borates, [Co(1-EI)2]·[B5O7(OH)3] (1) and [Ga(1-MI)2·B6O9(OH)4]·[H3BO3]·H[1-MI] (2), have been synthesized using a mild method. Notably, they exhibit an excellent ORR performance with an E1/2 value of 0.84 V and are the first to be used as the positive electrode catalyst for a zinc-air battery, which opens a pathway for the application of borate-based oxide catalysts.PMID:38572604 | DOI:10.1039/d4cc00206g (Source: Chemical Communications)
Source: Chemical Communications - April 4, 2024 Category: Chemistry Authors: Yan-Ling Deng An-Na Chen Shu-Sheng Xin Chun-Yang Pan Source Type: research

Primer exchange reaction-coupled transcription isothermal amplification as a sensitive biomolecular assay
Chem Commun (Camb). 2024 Apr 4. doi: 10.1039/d4cc00665h. Online ahead of print.ABSTRACTWe devised a novel strategy that relies on a combination of the primer exchange reaction (PER) with transcription isothermal amplification, termed PER-Trap, for a sensitive biomolecular assay. Its design allowed light-up RNA aptamers to be produced as the final product, leading to the generation of an amplified fluorescence signal. The utility of PER-Trap was successfully demonstrated by the detection of exosomes.PMID:38572617 | DOI:10.1039/d4cc00665h (Source: Chemical Communications)
Source: Chemical Communications - April 4, 2024 Category: Chemistry Authors: Jinseo Son Seok Hyeon Kim Byung Seok Cha Eun Sung Lee Seokjoon Kim Ki Soo Park Source Type: research

Phenylglycine amphiphile-metal ion chiral supramolecular nanozymes for enantioselective catalysis
Chem Commun (Camb). 2024 Apr 4. doi: 10.1039/d4cc00637b. Online ahead of print.ABSTRACTL/D-Phenylglycine amphiphiles and metal ions with peroxidase-like activity self-assembled into chiral nanoribbons, which act as efficient chiral supramolecular nanozymes for catalyzing the 3,4-dihydroxy-L/D-phenylalanine (L/D-DOPA) oxidation reactions. The catalytic efficiency and enantioselectivity are dominated by the chirality transfer and the synergistic effect between the metal ions and chiral nanoribbons.PMID:38572692 | DOI:10.1039/d4cc00637b (Source: Chemical Communications)
Source: Chemical Communications - April 4, 2024 Category: Chemistry Authors: Dongying Li Cong Gao Cici Zhao Qingqing Sun Zheng Xi Jie Han Rong Guo Source Type: research