Tungsten oxysulfide nanosheets for highly sensitive and selective NH3 sensing

2020 ◽  
Vol 8 (12) ◽  
pp. 4206-4214 ◽  
Author(s):  
Yanan Zheng ◽  
Lan Sun ◽  
Weiwei Liu ◽  
Chen Wang ◽  
Zhengfei Dai ◽  
...  
Keyword(s):  
Hydrothermal Process ◽  
Highly Efficient ◽  
Highly Sensitive ◽  
One Step

Ultrathin tungsten oxysulfide (WS2|O) nanosheets are fabricated through a one-step hydrothermal process and employed for highly efficient chemiresistive NH3 sensing.

One-step hydrothermal synthesis of monolayer MoS2 quantum dots for highly efficient electrocatalytic hydrogen evolution

2015 ◽  
Vol 3 (20) ◽  
pp. 10693-10697 ◽  
Author(s):  
Xianpei Ren ◽  
Liuqing Pang ◽  
Yunxia Zhang ◽  
Xiaodong Ren ◽  
Haibo Fan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Catalytic Activity ◽  
Hydrothermal Synthesis ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Hydrothermal Process ◽  
Monolayer Mos2 ◽  
Highly Efficient ◽  
One Step ◽  
Facile Hydrothermal Process

Monolayer MoS2 QDs were prepared via a facile hydrothermal process and exhibited excellent catalytic activity for the hydrogen evolution reaction.

scholarly journals Analysis and validation of a highly sensitive one-step nested quantitative real-time polymerase chain reaction assay for specific detection of severe acute respiratory syndrome coronavirus 2

2020 ◽  
Vol 17 (1) ◽  
Author(s):  
Yang Zhang ◽  
Chunyang Dai ◽  
Huiyan Wang ◽  
Yong Gao ◽  
Tuantuan Li ◽  
...  
Keyword(s):  
Polymerase Chain Reaction ◽  
Real Time ◽  
Quantitative Polymerase Chain Reaction ◽  
Clinical Samples ◽  
Chain Reaction ◽  
Pcr Assay ◽  
Qrt Pcr ◽  
Highly Sensitive ◽  
One Step ◽  
Polymerase Chain

Abstract Background Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, is posing a serious threat to global public health. Reverse transcriptase real-time quantitative polymerase chain reaction (qRT-PCR) is widely used as the gold standard for clinical detection of SARS-CoV-2. Due to technical limitations, the reported positive rates of qRT-PCR assay of throat swab samples vary from 30 to 60%. Therefore, the evaluation of alternative strategies to overcome the limitations of qRT-PCR is required. A previous study reported that one-step nested (OSN)-qRT-PCR revealed better suitability for detecting SARS-CoV-2. However, information on the analytical performance of OSN-qRT-PCR is insufficient. Method In this study, we aimed to analyze OSN-qRT-PCR by comparing it with droplet digital PCR (ddPCR) and qRT-PCR by using a dilution series of SARS-CoV-2 pseudoviral RNA and a quality assessment panel. The clinical performance of OSN-qRT-PCR was also validated and compared with ddPCR and qRT-PCR using specimens from COVID-19 patients. Result The limit of detection (copies/ml) of qRT-PCR, ddPCR, and OSN-qRT-PCR were 520.1 (95% CI: 363.23–1145.69) for ORF1ab and 528.1 (95% CI: 347.7–1248.7) for N, 401.8 (95% CI: 284.8–938.3) for ORF1ab and 336.8 (95% CI: 244.6–792.5) for N, and 194.74 (95% CI: 139.7–430.9) for ORF1ab and 189.1 (95% CI: 130.9–433.9) for N, respectively. Of the 34 clinical samples from COVID-19 patients, the positive rates of OSN-qRT-PCR, ddPCR, and qRT-PCR were 82.35% (28/34), 67.65% (23/34), and 58.82% (20/34), respectively. Conclusion In conclusion, the highly sensitive and specific OSN-qRT-PCR assay is superior to ddPCR and qRT-PCR assays, showing great potential as a technique for detection of SARS-CoV-2 in patients with low viral loads.

scholarly journals One‐step slot‐die coating deposition of wide‐bandgap perovskite absorber for highly efficient solar cells

Solar RRL ◽  
2021 ◽  
Author(s):  
Sophie Bernard ◽  
Sébastien Jutteau ◽  
Salim Mejaouri ◽  
Stefania Cacovich ◽  
Iwan Zimmerman ◽  
...  
Keyword(s):  
Solar Cells ◽  
Wide Bandgap ◽  
Coating Deposition ◽  
Slot Die Coating ◽  
Highly Efficient ◽  
Slot Die ◽  
One Step

The highly efficient and stable Cu, Co, Zn-porphyrin–TiO 2 photocatalysts with heterojunction by using fashioned one-step method

2017 ◽  
Vol 136 ◽  
pp. 648-656 ◽  
Author(s):  
Xin Zhao ◽  
Xiao Liu ◽  
Mimi Yu ◽  
Chen Wang ◽  
Jun Li
Keyword(s):  
Step Method ◽  
Highly Efficient ◽  
One Step

A self-assembled 3D urchin-like Ti0.8Sn0.2O2–rGO hybrid nanostructure as an anode material for high-rate and long cycle life Li-ion batteries

2017 ◽  
Vol 5 (17) ◽  
pp. 8087-8094 ◽  
Author(s):  
Yutao Dong ◽  
Dan Li ◽  
Chengwei Gao ◽  
Yushan Liu ◽  
Jianmin Zhang
Keyword(s):  
Anode Material ◽  
Hydrothermal Process ◽  
Cycle Life ◽  
High Rate ◽  
Li Ion Batteries ◽  
Long Cycle ◽  
Long Cycle Life ◽  
One Step ◽  
Li Ion ◽  
Self Assembled

Self-assembled 3D urchin-like Ti0.8Sn0.2O2–rGO was fabricated by a one-step hydrothermal process as an anode material for high-rate and long cycle life LIBs.

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