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Effect of oxalic acid treatment on the oxidation efficiency of maize stover cellulose and controllable preparation of nanocellulose.
RSC Adv
January 2025
College of Material Science and Art Design, Inner Mongolia Agricultural University Hohhot 010018 China
Corn stover was used as raw material, and purification, oxalic acid treatment, oxidation treatment, and ultrasonic treatment were performed to realize the preparation of corn stover nanocellulose with low energy consumption. The effects of oxalic acid concentration (1 wt%, 2 wt%, 3 wt%, 4 wt%, and 5 wt%) on the purity, morphology, crystalline structure and oxidation efficiency of corn stover cellulose during oxalic acid treatment were investigated. The controllable preparation of corn stover nanocellulose was achieved by changing the parameter conditions of ultrasonic treatment.
View Article and Find Full Text PDFSyncope secondary to arrhythmogenic left ventricular cardiomyopathy: a case report.
AME Case Rep
November 2024
Guangxi Academy of Medical Sciences, Nanning, China.
Background: Arrhythmogenic cardiomyopathy (ACM) is an inherited cardiac disease characterized by fibrofatty replacement of ventricular myocardium. Ventricular arrhythmia and sudden cardiac death (SCD) are the main clinical manifestations. ACM was previously called arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D).
View Article and Find Full Text PDFThe Predictive Value of a Nomogram Based on Ultrasound Radiomics, Clinical Factors, and Enhanced Ultrasound Features for Central Lymph Node Metastasis in Papillary Thyroid Microcarcinoma.
Ultrason Imaging
January 2025
Department of Ultrasound, South China Hospital, Medical School, Shenzhen University, Shenzhen, China.
This study aims to establish and validate an ultrasound radiomics nomogram for preoperative prediction of central lymph node metastasis in papillary thyroid microcarcinoma (PTMC) before operation. A retrospective analysis conducted on ultrasonic images and clinical features derived from 288 PTMC patients, who were divided into training cohorts ( = 201) and validating cohorts ( = 87) in a ratio of 7:3 base on the principle of random allocation. Radiomics features were extracted from the PTMC patients after ultrasonic examination, followed by dimension reduction and characteristic selection to construct the radiomics score (Radscore) using LASSO regression analysis.
View Article and Find Full Text PDFDetermination of 115 Pesticide Residues in Textiles by Liquid Chromatography-Tandem Mass Spectrometry.
Rapid Commun Mass Spectrom
May 2025
Technology Center of Qingdao Customs, Qingdao, China.
The presence of pesticide residues in textiles poses a risk to human health. We established a robust and high-throughput liquid chromatography-tandem mass spectrometry method for the determination of 115 pesticide residues in textiles. In this study, we evaluated high-performance liquid chromatography-tandem mass spectrometry conditions and sample extraction methods, including separation performance of different columns, mass conditions, extraction solvent, and extraction time.
View Article and Find Full Text PDFPlasma membrane-coated nanoparticles and membrane vesicles to orchestrate multimodal antitumor immunity.
J Immunother Cancer
January 2025
Division of Tumor Immunology, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
Background: A number of immunotherapeutic approaches have been developed and are entering the clinic. Bispecific antibodies (BsAbs) are one of these modalities and induce robust efficacy by endogenous T cells in several hematological malignancies. However, most of the treated patients experience only a temporary benefit.
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