Food safety traceability system based on blockchain and EPCIS

Q Lin, H Wang, X Pei, J Wang - IEEE access, 2019 - ieeexplore.ieee.org
In recent years, food safety issues have drawn growing concerns from society. In order to
efficiently detect and prevent food safety problems and trace the accountability, building a …

Lead-Free Cs4CuSb2Cl12 Layered Double Perovskite Nanocrystals

…, K Hills-Kimball, H Zhu, J Wang, Z Wang… - Journal of the …, 2020 - ACS Publications
Concerns about the toxicity of lead-based perovskites have aroused great interest for the
development of alternative lead-free perovskite-type materials. Recently, theoretical …

Novel one-dimensional organometallic half metals: vanadium-cyclopentadienyl, vanadium-cyclopentadienyl-benzene, and vanadium-anthracene wires

L Wang, Z Cai, J Wang, J Lu, G Luo, L Lai, J Zhou… - Nano …, 2008 - ACS Publications
By using the density functional theory, we find that organometallic multidecker sandwich
clusters V 2n+1 Cp 2n+2 , V n (FeCp 2 ) n+1 (Cp = cyclopentadienyl), and V 2n Ant n+1 (Ant = …

Wastewater treatment plants act as essential sources of microplastic formation in aquatic environments: A critical review

…, R Chen, P Liu, W Liang, J Wang, M Teng, X Wang… - Water Research, 2022 - Elsevier
According to extensive in situ investigations, the microplastics (MPs) determined in current
wastewater treatment plants (WWTPs) are mostly aged, with roughened surfaces and varied …

Color: an important but overlooked factor for plastic photoaging and microplastic formation

X Zhao, J Wang, KM Yee Leung… - Environmental Science & …, 2022 - ACS Publications
Plastic pollution has become an increasingly serious environmental issue of global concern.
Approximately 9200 million tons of primary plastics were produced between 1950 and 2017 …

Synthesis of Lead-Free Cs2AgBiX6 (X = Cl, Br, I) Double Perovskite Nanoplatelets and Their Application in CO2 Photocatalytic Reduction

…, J Wang, Y Yuan, K Hills-Kimball, T Cai, P Wang… - Nano Letters, 2021 - ACS Publications
Morphology control represents an important strategy for the development of functional
nanomaterials and has yet to be achieved in the case of promising lead-free double perovskite …

Recent advances in ligand design and engineering in lead halide perovskite nanocrystals

K Hills‐Kimball, H Yang, T Cai, J Wang… - Advanced …, 2021 - Wiley Online Library
Lead halide perovskite (LHP) nanocrystals (NCs) have recently garnered enhanced
development efforts from research disciplines owing to their superior optical and optoelectronic …

Mn2+/Yb3+ Codoped CsPbCl3 Perovskite Nanocrystals with Triple‐Wavelength Emission for Luminescent Solar Concentrators

T Cai, J Wang, W Li, K Hills‐Kimball, H Yang… - Advanced …, 2020 - Wiley Online Library
Doping metal ions into lead halide perovskite nanocrystals (NCs) has attracted great
attention over the past few years due to the emergence of novel properties relevant to …

Recent advances in aflatoxin B1 detection based on nanotechnology and nanomaterials-A review

Z Xue, Y Zhang, W Yu, J Zhang, J Wang, F Wan… - Analytica chimica …, 2019 - Elsevier
Aflatoxin B1(AFB1) is one of the most toxic mycotoxins produced by fungi and results in
inevitable contamination of food and feed at very low concentrations. Therefore, there is an …

The existence of positive solutions for the one-dimensional 𝑝-Laplacian

J Wang - Proceedings of the American Mathematical Society, 1997 - ams.org
In this paper we study the existence of positive solutions of the equation $(g (u’))’+ a (t) f (u)=
0$, where $ g (v)=| v|^{p-2} v $, $ p> 1$, subject to nonlinear boundary conditions. We show …