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A Simple Approach to Enhance the Water Stability of a Metal-Organic Framework.

Chemistry (Weinheim an der Bergstrasse, Germany) (2016-11-01)
Yung-Han Shih, Yu-Ching Kuo, Stephen Lirio, Kun-Yun Wang, Chia-Her Lin, Hsi-Ya Huang
ABSTRACT

A facile method to improve the feasibility of water-unstable metal-organic frameworks in an aqueous environment has been developed that involves imbedding in a polymer monolith. The effect of compartment type during polymerization plays a significant role in maintaining the crystalline structure and thermal stability of the MOFs, which was confirmed by powder X-ray diffraction (PXRD) and thermogravimetric analysis (TGA), respectively. The MOF-polymer composite prepared in a narrow compartment (column, ID 0.8 mm) has better thermal and chemical stability than that prepared in a broad compartment (vial, ID 7 mm). The developed MOF-polymer composite was applied as an adsorbent in solid-phase microextraction of nine non-steroidal anti-inflammatory drugs (NSAIDs) and could be used for extraction more than 30 times, demonstrating that the proposed approach has potential for industrial applications.

MATERIALS
Product Number
Brand
Product Description

Supelco
SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), for use with autosampler, needle size 23 ga, metal alloy fiber
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SPME fiber assortment kit 2, for use with autosampler, needle size 23 ga
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SPME StableFlex fiber assortment kit, needle size 23 ga, for use with autosampler
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SPME fiber assortment kit 4, for use with autosampler, needle size 23 ga
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SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating, needle size 23 ga, df 60 μm (PEG), for use with autosampler
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SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating, needle size 23 ga, df 60 μm (PEG), metal alloy fiber, for use with manual holder
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SPME fiber assortment kit 2, for use with manual holder, needle size 24 ga
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SPME fiber assortment kit 4, for use with autosampler, size 24 ga
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SPME fiber assortment kit 2, for use with autosampler, size 24 ga
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SPME StableFlex fiber assortment kit, for use with autosampler, needle size 24 ga
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), needle size 23 ga, PDMS/DVB StableFlex, for use with autosampler
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SPME fiber assortment kit 1, for use with autosampler, needle size 23 ga
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), for use with autosampler, needle size 23 ga
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SPME fiber assortment kit 4, for use with manual holder, size 24 ga
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 60 μm (PDMS/DVB), for use with autosampler/HPLC, needle size 24 ga, StableFlex fiber
Supelco
SPME StableFlex fiber assortment kit, for use with manual holder
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SPME fiber assortment kit 1, for use with autosampler, needle size 24 ga
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), needle size 24 ga, StableFlex, for use with autosampler
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), needle size 24 ga, for use with autosampler
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), fused silica fiber, df 65 μm (PDMS/DVB), for use with manual holder, needle size 23 ga
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SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), needle size 24 ga, StableFlex, for use with manual holder
Supelco
SPME fiber assortment kit 1, for use with manual holder, needle size 24 ga
Supelco
SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB), df 65 μm (PDMS/DVB), needle size 24 ga, for use with manual holder
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SPME fiber assortment kit 5, needle size 23 ga, for use with autosampler
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IonSense® PDMS/DVB SPE-it Tips, pkg of 96 ea
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SPME LC Tips, C18, tray of 96 ea
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SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 85 μm (CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber
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SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 1 cm
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SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 2 cm
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SPME fiber assembly Polydimethylsiloxane (PDMS), metal alloy fiber, df 100 μm (PDMS), needle size 23 ga, for use with autosampler