Water-soluble H-CNFs modified with a carboxyl group possessed the ability to induce TNF-alpha, whereas CHAPS-treated H-CNFs possessed significantly greater activity and were also found to activate NF-kappaB reporter activity, to a significantly greater level than H-CNFs; furthermore the functional group modified or coated on the surface of H-CNFs was a significant cytotoxic factor that affected cell activation.
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http://dx.doi.org/10.1039/b501222h | DOI Listing |
Rapid Commun Mass Spectrom
April 2025
Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, and Cancer Center, School of Medicine, Tongji University, Shanghai, China.
Rationale: The performance of the capillary column directly impacts the separation efficiency of complex sample in liquid chromatography-mass spectrometry-based proteomics studies. The hydraulic packing system offers an effective solution by reducing packing time and expediting the preparation process of column preparation. However, its operational complexity and strict parameter regulation requirements hinder efficient application.
View Article and Find Full Text PDFHell J Nucl Med
December 2024
Nuclear Medicine-PET/CT Department "Theageneio" Cancer Center, Thessaloniki, Greece.
Gallium-68-DOTA-D-phe1-try3-octreotide (Ga-DOTATOC) positron emission tomography/computed tomography (PET/CT) is a crucial diagnostic tool for neuroendocrine tumors (NET). Its accuracy is influenced by radiochemical purity and patient preparation. We present two cases where unexpected radiotracer uptake in Ga-DOTATOC PET/CT imaging was observed.
View Article and Find Full Text PDFSci Rep
December 2024
School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
Microtextured microneedles are tiny needle-like structures with micron-scale microtextures, and the drugs stored in the microtextures can be released after entering the skin to achieve the effect of precise drug delivery. In this study, the skin substitution model of Ogden's hyperelastic model and the microneedle array and microtexture models with different geometrical parameters were selected to simulate and analyse the flow of the microtexture microneedle arrays penetrating the skin by the finite-element method, and the length of the microneedles was determined to be 200 μm, the width 160 μm, and the value of the gaps was determined to be 420 μm. A four-pronged cone was chosen as the shape of microneedles, and a rectangle was chosen as the shape of the drug-carrying microneedle.
View Article and Find Full Text PDFBMC Oral Health
December 2024
Department of Conservative Dentistry, Faculty of Dentistry, Minia University, Minia, Egypt.
Objectives: To compare the mechanical performance of partially replaced (repaired) intra-coronal restorations to totally replaced ones in root canal-treated teeth.
Methods: Thirty maxillary second premolars were selected according to strict criteria, mounted on moulds, and had mesio-occluso-distal (MOD) cavities prepared. Resin composite restorative material was used to perform the initial restoration, followed by aging procedures using thermo-mechanical cycling fatigue to replicate six months of intraoral aging.
Pest Manag Sci
December 2024
Postdoctoral Mobile Station of Biology, Genetic Engineering Research Center, College of Life Sciences, Chongqing University, Chongqing, China.
Background: Discovering insecticidal proteins with high activity and strict insect specificity and applying them to the biological control of insect pests is of great significance. Oral LqhIT2 has insecticidal activity, which most other insecticidal neurotoxin proteins do not have, but the large-scale preparation of the toxin is difficult and one of the obstacles to determining its anti-insect potential for biological control.
Results: In this study, the expression level of recombinant LqhIT2 (rLqhIT2) in Pichia pastoris was as high as 1.
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