Manipulate Intestinal Organoids with Niobium Carbide Nanosheets

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2020-06-07
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Reding, Brittney
Carter, Prerana
Qi, Yijun
Li, Zhe
Wu, Yue
Wannemeuhler, Michael
Bratlie, Kaitlin
Wang, Qun
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Bratlie, Kaitlin
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Materials Science and Engineering
Materials engineers create new materials and improve existing materials. Everything is limited by the materials that are used to produce it. Materials engineers understand the relationship between the properties of a material and its internal structure — from the macro level down to the atomic level. The better the materials, the better the end result — it’s as simple as that.
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Veterinary Microbiology and Preventive Medicine
Our faculty promote the understanding of causes of infectious disease in animals and the mechanisms by which diseases develop at the organismal, cellular and molecular levels. Veterinary microbiology also includes research on the interaction of pathogenic and symbiotic microbes with their hosts and the host response to infection.
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Ames National LaboratoryMaterials Science and EngineeringVeterinary Microbiology and Preventive MedicineChemical and Biological Engineering
Abstract

Multifunctional two‐dimensional nanosheet materials have attracted attention in biomedical fields due to their unique physiochemical and biological properties. Interactions between intestinal stem cells and Engineered Nanomaterials (ENMs) are an essential area in research with the growing diagnosis of gastrointestinal (GI) diseases. One unique type of two‐dimensional metal carbide nanomaterial, niobium carbide (Nb2C), has shown promising properties for potential applications in this field, such as biocompatibility, stability, and high photothermal conversion efficiency. In this study, Nb2C nanosheets were prepared by spark plasma sintering and HF etching. Various concentrations of Nb2C nanosheets were placed inside intestinal organoids, which mimic the real functions of an intestinal system. These organoids were formed from intestinal crypts that were isolated from mice and grew into self‐maintained systems. Through growth analysis, surface area calculations, and cell viability tests, it was concluded that an optimal concentration of nanosheets exists that may offer stimulation to intestinal cells while having no toxic effects. A high concentration of nanosheets in the organoids inhibited growth, whereas the control and low concentration of nanosheets showed no reduced growth rate. When placed under infrared exposure, the organoids with nanosheets offered stimulation and showed more viability after time as compared to the control organoids with no nanosheets. These results show overall potential benefits of placing low concentration Nb2C nanosheets in intestinal systems to protect and stimulate cell survivability when undergoing various treatments.

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This is the peer-reviewed version of the following article: Reding, Brittney, Prerana Carter, Yijun Qi, Zhe Li, Yue Wu, Michael Wannemuehler, Kaitlin M. Bratlie, and Qun Wang. "Manipulate Intestinal Organoids with Niobium Carbide Nanosheets." Journal of Biomedical Materials Research Part A, which has been published in final form at DOI: 10.1002/jbm.a.37032. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. Posted with permission.

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Wed Jan 01 00:00:00 UTC 2020
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