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Quasi-vertically asymmetric channels of graphene oxide membrane for ultrafast ion sieving.
Nat Commun
January 2025
School of Physical Science and Technology, Ningbo University, Ningbo, 315211, China.
The high performance of two-dimensional (2D) channel membranes is generally achieved by preparing ultrathin or forming short channels with less tortuous transport through self-assembly of small flakes, demonstrating potential for highly efficient water desalination and purification, gas and ion separation, and organic solvent waste treatment. Here, we report the construction of vertical channels in graphene oxide (GO) membrane based on a substrate template with asymmetric pores. The membranes achieved water permeance of 2647 L m h bar while still maintaining an ultrahigh rejection rate of 99.
View Article and Find Full Text PDFSupramolecular discrimination and diagnosis-guided treatment of intracellular bacteria.
Nat Commun
January 2025
College of Chemistry, Nankai University, Tianjin, China.
Pathogenic intracellular bacteria pose a significant threat to global public health due to the barriers presented by host cells hindering the timely detection of hidden bacteria and the effective delivery of therapeutic agents. To address these challenges, we propose a tandem diagnosis-guided treatment paradigm. A supramolecular sensor array is developed for simple, rapid, accurate, and high-throughput identification of intracellular bacteria.
View Article and Find Full Text PDFNanolabels for biosensors based on lateral flow immunoassays.
Anal Chim Acta
February 2025
Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006, Oviedo, Spain. Electronic address:
The COVID-19 outbreak was an important turning point in the development of a new generation of biosensing technologies. The synergistic combination of an immunochromatographic test (lateral flow immunoassays, LFIA) and signal transducers provides enhanced sensitivity and the ability to quantify in the rapid tests. This is possible due to the variety of nanoparticles that can be used as reporter labels.
View Article and Find Full Text PDFExtraction and purification of Ophiopogon japonicus polysaccharides, structural characterization, biological activity, safety evaluation, chemical modification and potential applications: A review.
Int J Biol Macromol
January 2025
College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Economic Zone, Shaanxi Province 712046, People's Republic of China. Electronic address:
Ophiopogonis japonicus is a famous medicinal plant in China with a long history of medicinal and food origin. It contains various chemical components, such as polysaccharides, steroidal saponins, alkaloids, flavonoids, etc. According to traditional Chinese medicine (TCM) theory, it has the efficacy of moistening the lungs and nourishing the yin, benefiting the stomach by generating fluids, and clearing the heart to get rid of vexation.
View Article and Find Full Text PDFNanocellulose/activated carbon composite aerogel beads with high adsorption capacity for toxins in blood.
Int J Biol Macromol
January 2025
School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China; School of Materials Science and Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China. Electronic address:
Activated carbon is extensively utilized in blood purification applications. However, its performance has been significantly limited by their poor blood compatibility. In this work, 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO)-oxidized cellulose nanofibers (TOCN) and activated carbon (AC) were used to form composite beads by the drop curing method to improve hemocompatibility.
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