NDLI: Preparation, characterization, and in vitro cytotoxicity of COM and COD crystals with various sizes.

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Preparation, characterization, and in vitro cytotoxicity of COM and COD crystals with various sizes.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Sun, Xin-Yuan Ouyang, Jian-Ming Liu, Ai-Jie Ding, Yi-Ming Gan, Qiong-Zhi
Description	Country affiliation: China Author Affiliation: Sun XY ( Department of Chemistry Jinan University, Guangzhou 510632, China); Ouyang JM ( Department of Chemistry Jinan University, Guangzhou 510632, China); Liu AJ ( Department of Chemistry Jinan University, Guangzhou 510632, China); Ding YM ( Department of Chemistry Jinan University, Guangzhou 510632, China); Gan QZ ( Department of Chemistry Jinan University, Guangzhou 510632, China)
Abstract	Calcium oxalate crystals in urine often differ in size and crystal phase between healthy humans and patients with kidney stones. In this work, calcium oxalate monohydrate (COM) and dihydrate (COD) with sizes of about 50 nm, 100 nm, 1 µm, 3 µm, and 10 µm were prepared by varying reactant concentration, reaction temperature, solvent, mixing manner, and stirring speed. These crystals mainly had a smooth surface and no obvious pore structure, except COM-1 µm. In cell culture medium, the zeta potential of crystals became increasingly negative with increasing size, and the absolute value of zeta potential of COD was greater than the same-sized COM. Results of cell viability and PI staining assays showed that the order of injury degree in African green monkey renal epithelial (Vero) cells caused by different sizes of COD was COD-50 nm>COD-100 nm>COD-1 µm>COD-3 µm>COD-10 µm, and that of different sizes of COM was COM-1 µm>COM-50~COM-100 nm>COM-3 µm>COM-10 µm. COM-1 µm presented the highest cytotoxicity in Vero cells, which was associated with its rougher surface, larger specific surface area (SBET), and larger pore volume. Overall, these findings indicated that the physical properties of crystals play an important role in their cytotoxicity.
File Format	HTM / HTML
ISSN	09284931
Volume Number	57
e-ISSN	18730191
Journal	Materials Science and Engineering: C
Language	English
Publisher	Elsevier
Publisher Date	2015-12-01
Publisher Place	Netherlands
Access Restriction	Subscribed
Subject Keyword	Discipline Materials Science Calcium Oxalate Chemistry Toxicity Cell Survival Drug Effects Animals Cercopithecus Aethiops Dose-response Relationship, Drug Materials Testing Particle Size Vero Cells Comparative Study Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Biomaterials Condensed Matter Physics Bioengineering Mechanical Engineering

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