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Construct the Multifunction of Cotton Fabric by Synergism between Nano ZnO and Ag
Dangge Gao,Jingjing Liu,Leihong Lyu,Yajuan Li,Jianzhong Ma,Warda Baig 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
Ag deposited ZnO (Ag/ZnO) nano materials with different Ag molar content were prepared via chemicalprecipitation method. The morphology of nano ZnO was rod like, while the size was 170 nm in length and 30 nm in diameter. Silver nanoparticles were found to be spherical with the diameter about 15 nm. When it deposited on the surface of the nanoZnO, the size of the nano ZnO was almost unchanged when the doping amount is 2.5 %. All the samples were treated oncotton fabric, and the laden fabric had excellent performance on hydrophobicity, including UV resistance, antibacterialactivity and anti-mildew. The contact angle of fabric loaded with 3 % Ag/ZnO was 139 o compare to nano ZnO, which was103 o. The fabric loaded with Ag/ZnO had superior performance of UV resistance. With the increase of depositing amount,the antibacterial rates were promoted; the antibacterial rates against S. aureus, E. coil, and C. albicans of fabric with 3 % Ag/ZnO were promoted to 91 %, 96 % and 98 %. Moreover, Ag/ZnO gave cotton fabrics good anti-mildew performance,especially A. flavus, and its anti-mildew effect could reach 0 grade.
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Light-Chain Cardiac Amyloidosis: Cardiac Magnetic Resonance for Assessing Response to Chemotherapy
Guo Yubo,Li Xiao,Gao Yajuan,Shen Kaini,Lin Lu,Wang Jian,Cao Jian,Zhang Zhuoli,Wan Ke,Zhou Xi Yang,Chen Yucheng,Zhang Long Jiang,Li Jian,Wang Yining 대한영상의학회 2024 Korean Journal of Radiology Vol.25 No.5
Objective: Cardiac magnetic resonance (CMR) is a diagnostic tool that provides precise and reproducible information about cardiac structure, function, and tissue characterization, aiding in the monitoring of chemotherapy response in patients with lightchain cardiac amyloidosis (AL-CA). This study aimed to evaluate the feasibility of CMR in monitoring responses to chemotherapy in patients with AL-CA. Materials and Methods: In this prospective study, we enrolled 111 patients with AL-CA (50.5% male; median age, 54 [interquartile range, 49–63] years). Patients underwent longitudinal monitoring using biomarkers and CMR imaging. At followup after chemotherapy, patients were categorized into superior and inferior response groups based on their hematological and cardiac laboratory responses to chemotherapy. Changes in CMR findings across therapies and differences between response groups were analyzed. Results: Following chemotherapy (before vs. after), there were significant increases in myocardial T2 (43.6 ± 3.5 ms vs. 44.6 ± 4.1 ms; P = 0.008), recovery in right ventricular (RV) longitudinal strain (median of -9.6% vs. -11.7%; P = 0.031), and decrease in RV extracellular volume fraction (ECV) (median of 53.9% vs. 51.6%; P = 0.048). These changes were more pronounced in the superior-response group. Patients with superior cardiac laboratory response showed significantly greater reductions in RV ECV (-2.9% [interquartile range, -8.7%–1.1%] vs. 1.7% [-5.5%–7.1%]; P = 0.017) and left ventricular ECV (-2.0% [-6.0%–1.3%] vs. 2.0% [-3.0%–5.0%]; P = 0.01) compared with those with inferior response. Conclusion: Cardiac amyloid deposition can regress following chemotherapy in patients with AL-CA, particularly showing more prominent regression, possibly earlier, in the RV. CMR emerges as an effective tool for monitoring associated tissue characteristics and ventricular functional recovery in patients with AL-CA undergoing chemotherapy, thereby supporting its utility in treatment response assessment.
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