Charge-Reduced Particles via Self-Propelled Electrohydrodynamic Atomization for Drug Delivery Applications

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Vu, Trung-Hieu
Yadav, Sharda
Tran, Canh-Dung
Nguyen, Hong-Quan
Nguyen, Tuan-Hung
Nguyen, Thanh
Nguyen, Tuan-Khoa
Fastier-Wooller, Jarred W
Dinh, Toan
Phan, Hoang-Phuong
Ta, Hang Thu
Nguyen, Nam-Trung
Dao, Dzung Viet
Dau, Van Thanh
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2023
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Abstract

Electrohydrodynamic atomization (EHDA) provides unparalleled control over the size and production rate of particles from solution. However, conventional methods produce highly charged particles that are not appropriate for inhalation drug delivery. We present a self-propelled EHDA system to address this challenge, a promising one-step platform for generating and delivering charge-reduced particles. Our approach uses a sharp electrode to produce ion wind, which reduces the cumulative charge in the particles and transports them to a target in front of the nozzle. We effectively controlled the morphologies of polymer products created from poly(vinylidene fluoride) (PVDF) at various concentrations. Our technique has also been proven safe for bioapplications, as evidenced by the delivery of PVDF particles onto breast cancer cells. The combination of simultaneous particle production and charge reduction, along with its direct delivery capability, makes the self-propelled EHDA a versatile technique for drug delivery applications.

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ACS Applied Materials & Interfaces

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15

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25

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Chemical sciences

Engineering

Physical sciences

Science & Technology

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Nanoscience & Nanotechnology

Materials Science, Multidisciplinary

Science & Technology - Other Topics

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Vu, T-H; Yadav, S; Tran, C-D; Nguyen, H-Q; Nguyen, T-H; Nguyen, T; Nguyen, T-K; Fastier-Wooller, JW; Dinh, T; Phan, H-P; Ta, HT; Nguyen, N-T; Dao, DV; Dau, VT, Charge-Reduced Particles via Self-Propelled Electrohydrodynamic Atomization for Drug Delivery Applications, ACS Applied Materials & Interfaces, 2023, 15 (25), pp. 29777-29788

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