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Chemistry, Volume 5, Issue 3

September 2023 - 39 articles

Cover Story: Metal detection is important for evaluating metal-related health and diseases and for managing metal-based drug treatments. While DNAzyme-based catalytic beacons have emerged as a powerful class of sensors that can be generalized to detect almost any metal ion with high sensitivity and selectivity, the requirement of laser excitation that causes photobleaching has limited its applications for on-site and real-time detection. To overcome this limitation, Lu and Zhang and colleagues report DNAzyme biosensors that use bioluminescence resonance energy transfer between a luciferase and Cy3 fluorophores for the ratiometric sensing of metal ions. The sensors allow the detection of Zn2+ in serum samples using a smartphone camera. View this paper
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Articles (39)

  • Article
  • Open Access
4 Citations
2,109 Views
12 Pages

24 August 2023

Coffee skins, a cheap, agricultural waste, were carbonized in a tubular furnace under a nitrogen stream and then ball milled to fabricate coffee skin-carbon-nanoparticles (CCNPs). SEM showed 35.6–41.6 nm particle size. The 26.64 and 43.16 peaks...

  • Article
  • Open Access
4 Citations
2,868 Views
15 Pages

23 August 2023

Surfactants are amphiphilic molecules with the ability to modify the surface tension between two surfaces. They can be obtained by various methods, the main one being synthetic, from petroleum-based substrates. Their universal use in a wide range of...

  • Article
  • Open Access
4 Citations
2,574 Views
12 Pages

18 August 2023

Decreasing the sensitivity towards detonation of high-energy materials (HEMs) is the ultimate goal of numerous theoretical and experimental studies. It is known that positive electrostatic potential above the central areas of the molecular surface is...

  • Article
  • Open Access
1 Citations
2,597 Views
11 Pages

A Ratiometric Fluorescent Probe for pH Measurement over a Wide Range Composed of Three Types of Fluorophores Assembled on a DNA Scaffold

  • Eiji Nakata,
  • Khongorzul Gerelbaatar,
  • Mashal Asif,
  • Hiroaki Konishi,
  • Yuya Shibano,
  • Peng Lin and
  • Takashi Morii

17 August 2023

The desirable properties of the sophisticated fluorescent pH probe are ratiometric detection properties and a wide detection range. In this study, three types of fluorophores with different fluorescence properties were assembled on a DNA origami nano...

  • Review
  • Open Access
4 Citations
3,608 Views
17 Pages

DNA Nanotechnology-Empowered Fluorescence Imaging of APE1 Activity

  • Hui He,
  • Xiaojun Liu,
  • Yuchen Wu,
  • Lanlin Qi,
  • Jin Huang,
  • Yan Zhou,
  • Jiahao Zeng,
  • Kemin Wang and
  • Xiaoxiao He

17 August 2023

Apurinic/apyrimidinic endonuclease 1 (APE1), also known as redox factor-1 (Ref-1), is a multifunctional protein that exists widely in living organisms. It can specifically recognize and cleave the DNA in apurinic/apyrimidinic (AP) sites in the base e...

  • Article
  • Open Access
2,245 Views
11 Pages

Porous Natural Diamond with Embedded Metal (Pt0.50–Co0.50)

  • Evgeny Filatov,
  • Aleksei Chepurov,
  • Valeri Sonin,
  • Andrey Zadesenets,
  • Sergey Gromilov and
  • Egor Zhimulev

14 August 2023

Natural diamond crystals with a highly porous surface were used as substrates for synthesizing single-phase bimetallic Pt–Co nanoparticles at temperatures of 500 °C and 800 °C. The metal nanoparticles inside the pores were determined to...

  • Review
  • Open Access
4 Citations
4,329 Views
23 Pages

Recent Advances in Dynamic DNA Nanodevice

  • Qin Fan,
  • Linzi Yang and
  • Jie Chao

10 August 2023

DNA nanotechnology has been widely used to fabricate precise nanometer-scale machines. In particular, dynamic DNA nanodevices have demonstrated their ability to mimic molecular motions and fluctuations in bion-anomic systems. The elaborately designed...

  • Article
  • Open Access
2 Citations
2,599 Views
11 Pages

Blue-Emitting 2D- and 3D-Zinc Coordination Polymers Based on Schiff-Base Amino Acid Ligands

  • Rodavgi Karakousi,
  • Pinelopi A. Tsami,
  • Maria-Areti I. Spanoudaki,
  • Scott J. Dalgarno,
  • Vassileios C. Papadimitriou and
  • Constantinos J. Milios

9 August 2023

The solvothermal reaction of Zn(NO3)2·4H2O, 1-OH-2-naphthaldehyde, and 2-methylalanine (mAla) in MeOH leads to the formation of complex {[ZnL1]}2n (1) (H2L1 = the Schiff-base resulting from the reaction of 1-OH-2-naphthaldehyde and mAla) in go...

  • Communication
  • Open Access
8 Citations
4,073 Views
10 Pages

Mechanochemistry through Extrusion: Opportunities for Nanomaterials Design and Catalysis in the Continuous Mode

  • Oscar Trentin,
  • Daniele Polidoro,
  • Alvise Perosa,
  • Enrique Rodríguez-Castellon,
  • Daily Rodríguez-Padrón and
  • Maurizio Selva

8 August 2023

The potentialities of mechanochemistry trough extrusion have been investigated for the design of nanosized catalysts and their use in C-C bond-forming reactions. The mechanochemical approach proved successful for the synthesis of supported palladium...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,462 Views
15 Pages

Ratiometric Detection of Zn2+ Using DNAzyme-Based Bioluminescence Resonance Energy Transfer Sensors

  • Yuting Wu,
  • Whitney Lewis,
  • Jing Luen Wai,
  • Mengyi Xiong,
  • Jiao Zheng,
  • Zhenglin Yang,
  • Chloe Gordon,
  • Ying Lu,
  • Siu Yee New and
  • Xiao-Bing Zhang
  • + 1 author

8 August 2023

While fluorescent sensors have been developed for monitoring metal ions in health and diseases, they are limited by the requirement of an excitation light source that can lead to photobleaching and a high autofluorescence background. To address these...

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Chemistry - ISSN 2624-8549