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Author(s):  
Wenyi Wang ◽  
Xueqin Wang ◽  
Yuanyuan Wang ◽  
Bolong Jiang ◽  
Hua Song

Uniform, hollow-structure and hierarchically porous materials often produce surprisingly outstanding electrocatalytic performance. Besides, fabrication of highly active and stable non-noble metal-based alloys remains a huge challenge. Herein, a facile synthetic...





CrystEngComm ◽  
2022 ◽  
Author(s):  
Pengfei Hu ◽  
Dong Zhou ◽  
Shiqing Xu ◽  
Qianru Ma ◽  
Jiaqi Yin ◽  
...  

The phase-controlled and particle size-controlled synthesis of CdS nanocrystals was realized by adjusting the pH of the solution.





Nanomaterials ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 3440
Author(s):  
Eman Jaradat ◽  
Edward Weaver ◽  
Adam Meziane ◽  
Dimitrios A. Lamprou

In conventional drug administration, drug molecules cross multiple biological barriers, distribute randomly in the tissues, and can release insufficient concentrations at the desired pathological site. Controlling the delivery of the molecules can increase the concentration of the drug in the desired location, leading to improved efficacy, and reducing the unwanted effects of the molecules under investigation. Nanoparticles (NPs), have shown a distinctive potential in targeting drugs due to their unique properties, such as large surface area and quantum properties. A variety of NPs have been used over the years for the encapsulation of different drugs and biologics, acting as drug carriers, including lipid-based and polymeric NPs. Applying NP platforms in medicines significantly improves the disease diagnosis and therapy. Several conventional methods have been used for the manufacturing of drug loaded NPs, with conventional manufacturing methods having several limitations, leading to multiple drawbacks, including NPs with large particle size and broad size distribution (high polydispersity index), besides the unreproducible formulation and high batch-to-batch variability. Therefore, new methods such as microfluidics (MFs) need to be investigated more thoroughly. MFs, is a novel manufacturing method that uses microchannels to produce a size-controlled and monodispersed NP formulation. In this review, different formulation methods of polymeric and lipid-based NPs will be discussed, emphasizing the different manufacturing methods and their advantages and limitations and how microfluidics has the capacity to overcome these limitations and improve the role of NPs as an effective drug delivery system.



2021 ◽  
pp. 35-40
Author(s):  
S. Shankar ◽  
Vinita Tuli ◽  
S. Gaurav ◽  
O. P. Thakur ◽  
M. Jayasimhadri


2021 ◽  
pp. 106798
Author(s):  
Cheng Huang ◽  
Shuaishuai Zhang ◽  
Yiming Quan ◽  
Kexu Ren ◽  
Yanlin Tian ◽  
...  




Author(s):  
Le Wang ◽  
Pengyu Niu ◽  
Hongjuan Xi ◽  
Xiaoyan Chen ◽  
Congbiao Chen ◽  
...  


2021 ◽  
Vol 11 (21) ◽  
pp. 10495
Author(s):  
Hidetaka Togo ◽  
Kento Yoshikawa-Terada ◽  
Yudai Hirose ◽  
Hideo Nakagawa ◽  
Hiroki Takeuchi ◽  
...  

Establishing an in vitro–based cell culture system that can realistically simulate in vivo cell dynamics is desirable. It is thus necessary to develop a method for producing a large amount of cell aggregates (i.e., spheroids) that are uniform in size and quality. Various methods have been proposed for the preparation of spheroids; however, none of them satisfy all requirements, such as cost, size uniformity, and throughput. Herein, we successfully developed a new cell culture method by combining fluoropolymers and dot patterned extracellular matrix substrates to achieve size-controlled spheroids. First, the spheroids were spontaneously formed by culturing them two-dimensionally, after which the cells were detached with a weak liquid flow and cultured in suspension without enzyme treatment. Stable quality spheroids were easily produced, and it is expected that the introduction and running costs of the technique will be low; therefore, this method shows potential for application in the field of regenerative medicine.



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