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双脉冲激光烧蚀牡蛎壳产生沉积于……的新型薄层

Dual-Pulsed Laser Ablation of Oyster Shell Producing Novel Thin Layers Deposed to .

作者信息

Cocean Georgiana, Cocean Alexandru, Garofalide Silvia, Pelin Vasile, Munteanu Bogdanel Silvestru, Pricop Daniela Angelica, Motrescu Iuliana, Dimitriu Dan Gheorghe, Cocean Iuliana, Gurlui Silviu

机构信息

Atmosphere Optics, Spectroscopy and Laser Laboratory (LOASL), Faculty of Physics, Alexandru Ioan Cuza University of Iasi, 11 Carol I Bld., 700506 Iasi, Romania.

Rehabilitation Hospital Borsa, 1 Floare de Colt Street, 435200 Borsa, Romania.

出版信息

Polymers (Basel). 2023 Sep 30;15(19):3953. doi: 10.3390/polym15193953.

DOI:10.3390/polym15193953
PMID:37836002
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10575290/
Abstract

Dual-pulsed (DPL) laser deposition using oyster shells as targets was studied in order to find out if this method can replace the use of high-power pulsed lasers. Aspects related to changes in the morphological structure of the thin layer but also to the chemical composition of the obtained thin layer were analyzed and compared with the target as well as with the thin layers obtained with a higher power pulsed laser in a single-pulsed (SPL) regime. Orthorhombic structures were noticed with Scanning Electron Microscopy for the thin film obtained in DPL mode compared to the irregular particles obtained in SPL mode. The deacetylation process during ablation was evidenced by Fourier Transform Infrared spectroscopy, resulting in chitosan-based thin films. The effect of the obtained thin films of chitosan on the cells of baker's yeast () was studied. Restoration of the yeast paste into initial yeast was noticed mainly when the hemp fabric was used as support for the coating with yeas which was after that coated with chitosan thin film produced by DPL method.

摘要

研究了以牡蛎壳为靶材的双脉冲（DPL）激光沉积，以确定该方法是否可以替代高功率脉冲激光的使用。分析了与薄层形态结构变化以及所得薄层化学成分相关的方面，并与靶材以及在单脉冲（SPL）模式下用高功率脉冲激光获得的薄层进行了比较。与在SPL模式下获得的不规则颗粒相比，通过扫描电子显微镜观察到在DPL模式下获得的薄膜具有正交结构。傅里叶变换红外光谱证实了烧蚀过程中的脱乙酰化过程，从而得到了基于壳聚糖的薄膜。研究了所得壳聚糖薄膜对面包酵母（）细胞的影响。主要在将麻织物用作酵母涂层的载体（之后再用DPL方法制备的壳聚糖薄膜进行涂层）时，注意到酵母糊恢复为初始酵母。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6a46afb9e3a9/polymers-15-03953-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/34643fc40fa5/polymers-15-03953-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/f798446f041b/polymers-15-03953-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/1bd730d56d81/polymers-15-03953-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6d70f56288f5/polymers-15-03953-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6d0f12553dc5/polymers-15-03953-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6248aa5efc27/polymers-15-03953-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/75506bf5f9ab/polymers-15-03953-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6a46afb9e3a9/polymers-15-03953-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/34643fc40fa5/polymers-15-03953-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/f798446f041b/polymers-15-03953-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/1bd730d56d81/polymers-15-03953-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6d70f56288f5/polymers-15-03953-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6d0f12553dc5/polymers-15-03953-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6248aa5efc27/polymers-15-03953-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/75506bf5f9ab/polymers-15-03953-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b7c/10575290/6a46afb9e3a9/polymers-15-03953-g009.jpg

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