نتایج جستجو برای: electrospinning process microgels

تعداد نتایج: 1316296  

2016
Young Hun Jeong Jongwan Lee

Fibers and fibrous structures are used extensively in various fields due to their many advantages. Microfibers, as well as nanofibers, are considered to be some of the most valuable forms of advanced materials. Accordingly, various methods for fabricating microfibers have been developed. Electrospinning is a useful fabrication method for continuous polymeric nano- and microfibers with attractiv...

Journal: :Bio-medical materials and engineering 2014
Xiao-Yan Li Chen-Jie Shi Deng-Guang Yu Yao-Zu Liao Xia Wang

This study investigates quercetin-loaded zein nanoribbons, which were fabricated using different types of electrospinning processes. Using ethanol aqueous solutions as sheath fluids, the widths of quercetin-loaded zein nanoribbons (D, nm) could be manipulated simply through the adjustment of water contents(C) in the sheath fluids according to an equation of D=958-8.01C(r=0.9977), as indicated b...

Journal: :علوم و تکنولوژی پلیمر 0
مهرداد خام فروش فرزاد دبیریان سروه ماجدی

anew and effective electrospinning method has been developed for producing aligned polymer nanofibers. the conventional electrospinning technique has been modified to fabricate nanofibers as uniaxially aligned array. the key to the success of this technique is the creation of a rotating jet by using a cylindrical collector in which the needle tip is located at its center. the unique advantage o...

Journal: :International journal of economic and environment geology 2022

Methylene blue is highly toxic and releases from various industries. It must be transformed into less compounds. The Core-Shell microgels p (Pst core), Pstcore-NIPMamm-MAa Ag in Pst-p NIPMamm-MAa have been synthesized using the hybrid micro gelling emulsion polymerization process. 0.086mM, MB 6.2mM NaBH4 0.2916 mg / mL catalysts cuvette were measured UV-visible spectrophotometers. Spectrums at ...

Journal: :international journal of occupational hygiene 0
somayeh farhang dehghan department of occupational health engineering, school of public health, tehran university of medical sciences, tehran, iran farideh golbaaei department of occupational health engineering, school of public health, tehran university of medical sciences, tehran, iran bozorgmehr maddah department of chemistry, imam hossein university, tehran, iran rasoul yarahmadi department of occupational health, school of public health, iran university of medical sciences, tehran, iran asghar sedigh zadeh nuclear fusion research center, atomic energy organization, tehran, iran

original article   electrospun nanofibrous filter media have attracted considerable attention in the last decade. the present study aimed to develop the electrospun pan (polyacrylonitrile) filter media through experimental investigations for application in high-performance air filters. for this purpose, an experimental design was proposed to assess the effect of electrospinning process conditio...

2011
Michelle K. Leach Zhang-Qi Feng Samuel J. Tuck Joseph M. Corey

Electrospun nanofiber scaffolds have been shown to accelerate the maturation, improve the growth, and direct the migration of cells in vitro. Electrospinning is a process in which a charged polymer jet is collected on a grounded collector; a rapidly rotating collector results in aligned nanofibers while stationary collectors result in randomly oriented fiber mats. The polymer jet is formed when...

2012
Yucun Lou Agathe Robisson Shengqiang Cai Zhigang Suo

Related Articles Dynamical hysteresis in a self-oscillating polymer gel J. Chem. Phys. 137, 064103 (2012) Structural properties of thermoresponsive poly(N-isopropylacrylamide)-poly(ethyleneglycol) microgels J. Chem. Phys. 136, 214903 (2012) Instability analysis of a programmed hydrogel plate under swelling J. Appl. Phys. 109, 063527 (2011) Effect of the concentration on sol–gel transition of te...

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