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Journal articles on the topic 'Capillarity of CNTs'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Wang, Yanhu, Huihui Shi, Jiantao Sun, Jianjian Xu, Mengchun Yang, and Jinghua Yu. "Hollow-Channel Paper Analytical Devices Supported Biofuel Cell-Based Self-Powered Molecularly Imprinted Polymer Sensor for Pesticide Detection." Biosensors 12, no. 11 (2022): 974. http://dx.doi.org/10.3390/bios12110974.

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Herein, a paper-based glucose/air biofuel cell (BFC) was constructed and implemented for self-powered pesticide detection. Our developed paper-based chip relies on a hollow-channel to transport fluids rather than capillarity, which reduces analysis times as well as physical absorption. The gold nanoparticles (Au NPs) and carbon nanotubes (CNTs) were adapted to modify the paper fibers to fabricate the flexible conductive paper anode/cathode electrode (Au–PAE/CNT–PCE). Molecularly imprinted polymers (MIPs) using 2,4-dichlorophenoxyacetic acid (2,4-D) as a template were synthesized on Au–PAE for

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Lomov, Stepan V., and Sergey G. Abaimov. "Influence of the Nanostitch Sensor Embedment on the Fibrous Microstructure of Glass Fiber Prepreg Laminates." Polymers 14, no. 21 (2022): 4644. http://dx.doi.org/10.3390/polym14214644.

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Changes in the fibrous microstructure in glass fiber/epoxy prepreg quasi-isotropic laminates after the introduction of embedded sensors in the form of “nanostitch” as interleaves are investigated using 3D imaging with synchrotron radiation computer tomography (SRCT). Nanostitch interfaces are created by aligned carbon nanotubes (CNTs) with two different morphologies. The laminates are fabricated using an autoclave. The investigated microstructural features include: thickness variability of the plies and laminate, resin rich gaps at the interfaces, presence of voids, and misorientation of plies

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Wang, Xinyu, Wei Wang, Greg Lowry, Xiaoyan Li, Yajie Guo, and Tielong Li. "Preparation of palladized carbon nanotubes encapsulated iron composites: highly efficient dechlorination for trichloroethylene and low corrosion of nanoiron." Royal Society Open Science 5, no. 6 (2018): 172242. http://dx.doi.org/10.1098/rsos.172242.

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A method developed based on the capillary effect and capillary condensation theory was used to synthesize an innovative Fe/C/Pd composite in this study. This composite (Fe@CNTs@Pd) consists of carbon nanotubes (CNTs) with nanoscale zerovalent iron (NZVI) on the inner surface and palladium nanoparticles supported on the outer surface of CNTs. This structure successfully addresses the problems of high iron corrosion rate and lower utilization rate of hydrogen in the application of bimetal nanoparticles for trichloroethylene (TCE) removal. TCE degradation experiments and electrochemical tests wer

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Lu, Shengliang, Ting Zuo, Zhongkun Wang, and Shuang Yan. "Effects of CNTs/PVA on Concrete Performance: Strength, Drying Shrinkage, and Microstructure." Materials 18, no. 11 (2025): 2535. https://doi.org/10.3390/ma18112535.

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A uniformly dispersed carbon nanotubes (CNTs)/polyvinyl alcohol (PVA) nano-colloidal emulsion was synthesized by leveraging colloidal stability and interfacial chemical interactions. This study systematically investigated the influence of the CNTs/PVA nano-colloidal emulsion on the mechanical properties, drying shrinkage, capillary water absorption, and microstructure of cement-based materials, while elucidating the underlying reinforcement mechanisms. The experimental results demonstrated that different CNTs/PVA ratios enhanced the concrete properties: For instance, 0.3% CNTs and 1.0% PVA imp

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5

Wang, Wei, Xin Wang, Tuo Li, and Wei Ping Chen. "Analysis of Capillary Condensation of Vapor in Multi-Wall Carbon Nanotubes." Key Engineering Materials 483 (June 2011): 694–98. http://dx.doi.org/10.4028/www.scientific.net/kem.483.694.

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Multi-wall Carbon Nanotubes (MWNTs) is the new hotspot material as the active sensing element, but there is no certain theory on the phenomenon of the vapor's capillary condensation in MWNTs for the present. This paper presents a new theory that the capillary condensation of vapor in MWNTs mostly occur in the internal hollow tube, according to the calculation of equivalent model of MWNTs. A kind of carbon nanotubes (CNTs) humidity sensor based on quartz crystal microbalance was fabricated, CNTs employed as adsorption materials. The sensor was put in 11% and 97% relative humidity environment in

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6

Duong, Ngoc Bich, Sheng L. You, Li Z. Huang, and Hsiharng Yang. "Carbon Nanotubes Modified Carbon Cloth Cathode Electrode for Self-Pumping Enzymatic Biofuel Cell." Journal of Renewable Energy 2018 (July 9, 2018): 1–8. http://dx.doi.org/10.1155/2018/8748731.

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A self-pumping enzymatic biofuel cell (self-pumping EBC) with a new cathodic catalyst which was modified by coating the mixture of carbon nanotubes/caffeic acid (CNTs/CA) on a carbon cloth (CC) to form a CNTs/CA/CC cathode electrode was fabricated. By using UV spectrophotometer, the absorbance of CA, CNTs, and the CNTs/CA composite was observed. To evaluate how the CNTs/CA/CC cathodic electrode improves the electrochemical performance of the self-pumping EBC, the measurement of the redox reaction current peak by cyclic voltammetry (CV) was implemented. In accordance with CV measurement, the ut

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7

Liang, Jing Jing, Zong Bin Zhao, Han Hu, and Jie Shan Qiu. "In Situ Growth of Carbon Nanotubes on Carbon Foam for Enhanced Oil Adsorption." Applied Mechanics and Materials 423-426 (September 2013): 130–34. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.130.

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This work presents a facile approach to grow carbon nanotubes (CNTs) on the surface of carbon foams (CFs) for the fabrication of hierarchical CNTs/CF composites, which exhibit enhanced oil adsorption capability. The preparation of CFs is carried out by using commercially available polyurethane (PU) foams as hard template and resol as carbon precursor. Fe/Mg/Al layered double hydroxide (LDHs) is used as catalyst precursor for the efficient growth of CNTs on CFs via chemical vapor deposition (CVD), in which CNTs are controllably grown onto the strut of CFs. The presence of CNTs in the CFs can si

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8

Li, Jian Yi, Ruben J. Boado, and William M. Pardridge. "Cloned Blood–Brain Barrier Adenosine Transporter is Identical to the Rat Concentrative Na+ Nucleoside Cotransporter CNT2." Journal of Cerebral Blood Flow & Metabolism 21, no. 8 (2001): 929–36. http://dx.doi.org/10.1097/00004647-200108000-00005.

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Adenosine transport into brain is regulated by the activity of the adenosine transporter located at the brain capillary endothelial wall, which forms the blood–brain barrier (BBB) in vivo. To facilitate cloning of BBB adenosine transporters, poly A+ RNA was purified from isolated rat brain capillaries for production of a rat BBB cDNA library in the pSPORT vector. The cloned RNA (cRNA) generated from in vitro transcription of this library was injected into frog oocytes followed by measurement of [3H]-adenosine uptake. After dilutional cloning, a full-length, 2905-nucleotide adenosine transporte

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9

Zhao, Junyi, Junwen Zhu, Ning Yu, Wei Xiong, and Xing Yang. "Fabrication of oriented carbon nanotube–alginate microfibers using a microfluidic device." Functional Materials Letters 12, no. 06 (2019): 1940002. http://dx.doi.org/10.1142/s1793604719400022.

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With the progress of microelectronic devices, more attention has been paid to carbon nanotube (CNTs) because of their excellent mechanical and electrical properties. A microfluidic-based method for fabricating oriented CNT strain-sensitive fibers is proposed in this work. By manipulating CNTs, NaAlg and CaCl2 solutions in a three-coaxial laminar flow glass capillary device, CNTs can be arranged in an oriented manner and solidified into microfibers with a hydrogel shell through a chemical polymerization reaction. The diameter of the fiber could be controlled by the microfluidic device. Scanning

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10

Yang, Bowei, Chen Wang, Song Chen, Kaixin Qiu, and Jiuhong Jiang. "Optimisation of the Mechanical Properties and Mix Proportion of Multiscale-Fibre-Reinforced Engineered Cementitious Composites." Polymers 15, no. 17 (2023): 3531. http://dx.doi.org/10.3390/polym15173531.

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Engineered cementitious composites (ECCs) are cement-based composite materials with strain-hardening and multiple-cracking characteristics. ECCs have multiscale defects, including nanoscale hydrated silicate gels, micron-scale capillary pores, and millimetre-scale cracks. By using millimetre-scale polyethylene (PE) fibres, microscale calcium carbonate whiskers (CWs), and nanoscale carbon nanotubes (CNTs) as exo-doped fibres, a multiscale enhancement system was formed, and the effects of multiscale fibres on the mechanical properties of ECCs were tested. The Box-Behnken experimental design meth

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11

Berry, Scott M., Santosh Pabba, Robert W. Cohn, and Robert S. Keynton. "Direct-Write Drawing of Carbon Nanotube/Polymer Composite Microfibers." Journal of Nanomaterials 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/690301.

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Carbon-nanotube- (CNT-) doped polymer solutions were drawn into arrays of microfibers using a novel direct-write process. This process utilizes a micromanipulator-controlled syringe loaded with solvated polymer mixed with CNTs to “write” networks of composite fibers with precisely positioned endpoints. The diameters of these composite fibers are correlated to the degree of capillary thinning that occurs prior to the solidification of the directly written CNT-doped solution filament. The fibers had diameters ranging from 7 μm to over 100 μm and possessed conductivities as high as 0.1 Sm−1. Fibe

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12

Ding, Zhao Yong, Bao Min Sun, Yong Hong Guo, Bin Jia, and Xiao Lian Ding. "Synthesis Mechanism of Flame Synthesized Deformity Carbon Nanotubes." Materials Science Forum 688 (June 2011): 122–26. http://dx.doi.org/10.4028/www.scientific.net/msf.688.122.

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Pyramid shaped pyrolysis flame is a new method to synthesis carbon nanotubes (CNTs). Oxy-acetylene flame was used as the source of heat, CO as the source of carbon, and iron pentacarbonyl (Fe(CO)5) as the source of catalyst. Field emission scanning electron microscope (FE-SEM) and High resolution transmission electron microscopy (HR-TEM) were used to illustrate the experimental results. Our results show straight, uniform and high degree graphitization CNTs were produced whereas lots of deformity tubes were present, as bamboo-shaped tubes, filled tubes, diameter changed tubes, irregular tubes,

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13

Lee, Jaewon, Choonghan Ryu, Sungwoo Lee, Donggeun Jung, Hyoungsub Kim, and Heeyeop Chae. "Carbon Nanotube Patterning with Capillary Micromolding of Catalyst." Journal of Nanoscience and Nanotechnology 7, no. 11 (2007): 4174–79. http://dx.doi.org/10.1166/jnn.2007.18098.

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Patterning of multi-walled carbon nanotube (MWNT) in a plasma enhanced chemical vapor deposition (PECVD) chamber has been achieved by catalyst patterning using capillary micromolding process. Iron acetate catalyst nanoparticles were dissolved in ethanol and mold was fabricated with polydimethylsiloxane (PDMS). The ethanol solution containing catalyst nanoparticles was filled into the microchannel formed between PDMS mold and Si-wafer by capillary force. The capillary action of different solvents was simulated by commercial CFD-ACE+ simulation code to determine optimal solvents. Simulated resul

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14

Nguyen Thi Phuong, Hang, Choon-Sung Shin, and Hie-Yong Jeong. "Finding the Differences in Capillaries of Taste Buds between Smokers and Non-Smokers Using the Convolutional Neural Networks." Applied Sciences 11, no. 8 (2021): 3460. http://dx.doi.org/10.3390/app11083460.

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Taste function and condition may be a tool that exhibits a rapid deficit to impress the subject with an objectively measured effect of smoking on his/her own body, because smokers exhibit significantly lower taste sensitivity than non-smokers. This study proposed a visual method to measure capillaries of taste buds with capillaroscopy and classified the difference between smokers and non-smokers through convolutional neural networks (CNNs). The dataset was collected from 26 human subjects through the capillaroscopy with the low and high magnification directly; of which 13 were smokers, and the

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15

Fan, Zhihang, and Suresh G. Advani. "Capillary Effect of Multi-Walled Carbon Nanotubes Suspension in Composite Processing." Journal of Nanoscience and Nanotechnology 8, no. 4 (2008): 1669–78. http://dx.doi.org/10.1166/jnn.2008.18230.

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Carbon nanotubes (CNTs) do have the potential to improve the interlaminar shear strength (ILSS) of composites if they can be successfully integrated into the matrix as it infuses into the fiber preform. The infusion under capillary action of Multi-Walled Carbon Nanotubes (MWNT)/Epoxy suspension with tubes of length 0.3∼1 μm in glass fiber bundles containing pores of the order of 5 nm∼100 μm was investigated. The influence of parameters such as suspension concentration, viscosity, porous media architecture, surface tension and contact angle were explored. It was found that filtering of the susp

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16

Sandeep, Yadav, and Priya Madhu. "Assessment of Neuropathological Spectrum of all the Surgically Resected Vascular Malformations of Central Nervous System: An Observational Study." International Journal of Current Pharmaceutical Review and Research 15, no. 12 (2023): 611–14. https://doi.org/10.5281/zenodo.11526787.

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AbstractAim: The aim of the present study was to assess the neuropathological spectrum of all the surgically resectedvascular malformations of central nervous system.Material & Methods: The present study was conducted at department of General Surgery for one year andpatients with neurological, neurosurgical, and psychiatric disorders were included. All VMs diagnosed in thedepartment of neuropathology over a period of 1 year were retrieved from the archives. The study included a totalof 100 cases of surgically resected VMs.Results: Among 100 cases, CCMs were most common (44%), followed by A

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17

WANG, Danna, Maimaitituersun NUERAILI, Xinyue WANG, and Baoguo HAN. "A Review on Nano-Engineered Ultra-High Performance Cementitious Composites." Engineering Materials and Structures 3, no. 4 (2024): 46–66. https://doi.org/10.48014/ems.20241230001.

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Ultra-high performance cementitious composites (UHPCC) are the most innovative and promising new generation of cementitious composites over the past three decades. However, while low porosity and high density contribute to the extremely high strength of UHPCC, they also lead to issues such as high capillary suction, severe autogenous shrinkage, rapid hydration rate, and large temperature stresses within the material. Nanofillers with small size and nano effects are helpful to improve the continuity of cementitious raw materials at the nanoscale across multiple scales. They make up for the nano

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18

Gaurav, Batra, Kumar Singh Sachin, and K.M Girish. "A Hospital Based Observational Study Assessing the Neuropathological Spectrum of All the Surgically Resected Vascular Malformations of Central Nervous System." International Journal of Toxicological and Pharmacological Research 13, no. 10 (2023): 143–46. https://doi.org/10.5281/zenodo.11063537.

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<strong>Aim: </strong>The aim of the present study was to assess the neuropathological spectrum of all the surgically resected vascular malformations of central nervous system. <strong>Material & Methods: </strong>The present study was conducted at Department of Neurosurgery and patients with neurosurgical, and psychiatric disorders were included. All VMs diagnosed in the Department of Neurosurgery over a period of 2 years were retrieved from the archives. Demographic details, clinical features, and follow-up, wherever available, were obtained from the medical records. 

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19

Fort, Ada, Anna Lo Grasso, Marco Mugnaini, Enza Panzardi, and Valerio Vignoli. "QCM Measurements of RH with Nanostructured Carbon-Based Materials: Part 1—Theory and Model." Chemosensors 10, no. 8 (2022): 315. http://dx.doi.org/10.3390/chemosensors10080315.

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In this series of two papers, the humidity sensing of a carbon nanotube’s (CNTs) network-based material is studied through quartz crystal microbalance (QCM) sensors. To this aim, quartzes functionalized with different amounts of sensing material were realized, exposed to different humidity levels, and characterized. In this first paper, the theoretical framework is presented, whereas the second one presents the experimental study. This paper discusses at first the water adsorption and desorption on single-wall carbon nanotube (SWCNT) networks, and subsequently deeply investigates the behavior

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McKenzie, Kevin R., Nathan A. Banek, and Michael J. Wagner. "Sustainable Conversion of Biomass to Multiwalled Carbon Nanotubes and Carbon Nanochains." Materials 18, no. 5 (2025): 1022. https://doi.org/10.3390/ma18051022.

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The conversion of biochar, the low value byproduct of pyrolysis bio-oil production from biomass multi-walled carbon nanotubes (MWCNTs) and carbon nanochains (CNCs), is reported. It is shown that biomass can be converted to long (>30 µm) carbon nanotubes with an anomalously deep (>280 nm) stacked-cup structure. A mechanism of the transformation that is consistent with previously reported graphitization of biochar, a “non-graphitizable” carbon, is proposed, suggesting the molten metal catalyst is absorbed into the biochar by capillary action, forming graphene walls as it percolates through

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Huang, Ji-Yun, Li-Tao Li, Huan Wang, et al. "In VivoTwo-photon Fluorescence Microscopy Reveals Disturbed Cerebral Capillary Blood Flow and Increased Susceptibility to Ischemic Insults in Diabetic Mice." CNS Neuroscience & Therapeutics 20, no. 9 (2014): 816–22. http://dx.doi.org/10.1111/cns.12268.

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Kamekawa, Yudai, Koya Arai, and Takahide Oya. "Development of Transpiration-Type Thermoelectric-Power-Generating Material Using Carbon Nanotube Composite Papers with Capillary Action and Heat of Vaporization." Energies 16, no. 24 (2023): 8032. http://dx.doi.org/10.3390/en16248032.

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A transpiration-type thermoelectric-power-generating paper based on previously developed carbon nanotube (CNT) composite paper, which is a composite material of CNTs and pulp that can generate thermoelectric power, was developed. The newly developed thermoelectric-power-generating material does not require an external high-temperature heat source due to the ability of paper to absorb liquid through capillary action and heat of vaporization generated when the liquid evaporates. The aim of this study is to investigate the feasibility of realizing the transpiration-type thermoelectric-power-gener

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23

Zestos, Alexander G. "Carbon Nanoelectrodes for the Electrochemical Detection of Neurotransmitters." International Journal of Electrochemistry 2018 (August 1, 2018): 1–19. http://dx.doi.org/10.1155/2018/3679627.

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Carbon-based electrodes have been developed for the detection of neurotransmitters over the past 30 years using voltammetry and amperometry. The traditional electrode for neurotransmitter detection is the carbon fiber microelectrode (CFME). The carbon-based electrode is suitable for in vivo neurotransmitter detection due to the fact that it is biocompatible and relatively small in surface area. The advent of nanoscale electrodes is in high demand due to smaller surface areas required to target specific brain regions that are also minimally invasive and cause relatively low tissue damage when i

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24

Ye, Run Zhou, and Raymond Iezzi. "Intraoperative Augmented Reality for Vitreoretinal Surgery Using Edge Computing." Journal of Personalized Medicine 15, no. 1 (2025): 20. https://doi.org/10.3390/jpm15010020.

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Purpose: Augmented reality (AR) may allow vitreoretinal surgeons to leverage microscope-integrated digital imaging systems to analyze and highlight key retinal anatomic features in real time, possibly improving safety and precision during surgery. By employing convolutional neural networks (CNNs) for retina vessel segmentation, a retinal coordinate system can be created that allows pre-operative images of capillary non-perfusion or retinal breaks to be digitally aligned and overlayed upon the surgical field in real time. Such technology may be useful in assuring thorough laser treatment of cap

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Yang, Xiao-Yang, Ji-Jing Xu, Zhi-Wen Chang, et al. "Blood-Capillary-Inspired, Free-Standing, Flexible, and Low-Cost Super-Hydrophobic N-CNTs@SS Cathodes for High-Capacity, High-Rate, and Stable Li-Air Batteries." Advanced Energy Materials 8, no. 12 (2018): 1702242. http://dx.doi.org/10.1002/aenm.201702242.

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Chen, Yi, Yi Ji, Fei Cheng, and Xiaozhi Hu. "Modified SC Resin Pre-Coating Treatment for Rapid and Robust Repair of CFRP Laminates with Sharp Delamination Cracks." Polymers 17, no. 8 (2025): 1079. https://doi.org/10.3390/polym17081079.

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A recent composite technique, namely Resin Pre-Coating (RPC), has demonstrated remarkably high effectiveness in the repair of Carbon Fiber-Reinforced Polymer (CFRP) composites. Compared to widely used scarf repair and injection repair, this non-destructive method offers advantages in addressing subsurface damages from the millimeter to micron scale, such as edge delaminations that frequently occur due to machining or low-energy impacts. The acetone-rich RPC solution can spontaneously transport sticky resin and other toughening agents into defects through capillary action. In this study, we fur

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Kim, Hong, Yong-Sun Kim, Lee Kwac, et al. "Latent Heat Storage and Thermal Efficacy of Carboxymethyl Cellulose Carbon Foams Containing Ag, Al, Carbon Nanotubes, and Graphene in a Phase Change Material." Nanomaterials 9, no. 2 (2019): 158. http://dx.doi.org/10.3390/nano9020158.

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Carbon foam was prepared from carboxymethyl cellulose (CMC) and Ag, Al and carbon nanotubes (CNTs), and graphene was added to the foam individually, to investigate the enhancement effects on the thermal conductivity. In addition, we used the vacuum method to impregnate erythritol of the phase change material (PCM) into the carbon foam samples to maximize the latent heat and minimize the latent heat loss during thermal cycling. Carbon foams containing Ag (CF-Ag), Al (CF-Al), CNT (CF-CNT) and graphene (CF-G) showed higher thermal conductivity than the carbon foam without any nano thermal conduct

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Sandu, Ionut-Laurentiu, Felicia Stan, and Catalin Fetecau. "Mechanical Recycling of Ethylene-Vinyl Acetate/Carbon Nanotube Nanocomposites: Processing, Thermal, Rheological, Mechanical and Electrical Behavior." Polymers 15, no. 3 (2023): 583. http://dx.doi.org/10.3390/polym15030583.

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Recycling polymer/carbon nanotube (CNT) nanocomposites is not well common, despite a growing interest in using polymer/carbon nanotube (CNT) nanocomposites in industrial applications. In this study, the influence of mechanical recycling on the thermal, rheological, mechanical and electrical behavior of ethylene-vinyl acetate (EVA)/CNT nanocomposites is investigated. EVA/CNT nanocomposite with different amounts of CNTs (1, 3 and 5 wt.%) was subjected to mechanical grinding and reprocessing by injection molding in a close-loop up to three cycles, and the changes induced by mechanical recycling w

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Karali, Evangelia, Christos Michail, George Fountos, Nektarios Kalyvas, and Ioannis Valais. "Novel Detector Configurations in Cone-Beam CT Systems: A Simulation Study." Crystals 14, no. 5 (2024): 416. http://dx.doi.org/10.3390/cryst14050416.

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Cone-beam computed tomography (CBCT) has emerged in recent years as an adequate alternative to mammography and tomosynthesis due to the several advantages over traditional mammography, including its ability to provide 3D images, its reduced radiation dose, and its ability to image dense breasts more effectively and conduct more effective breast compressions, etc. Furthermore, CBCT is capable of providing images with high sensitivity and specificity, allowing a more accurate evaluation, even of dense breasts, where mammography and tomosynthesis may lead to a false diagnosis. Clinical and experi

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Ren, YiLin, Branislava Janic, Kristopher Kutskill, Edward L. Peterson, and Oscar A. Carretero. "Mechanisms of connecting tubule glomerular feedback enhancement by aldosterone." American Journal of Physiology-Renal Physiology 311, no. 6 (2016): F1182—F1188. http://dx.doi.org/10.1152/ajprenal.00076.2016.

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Connecting tubule glomerular feedback (CTGF) is a mechanism where an increase in sodium (Na) concentration in the connecting tubule (CNT) causes the afferent arteriole (Af-Art) to dilate. We recently reported that aldosterone within the CNT lumen enhances CTGF via a nongenomic effect involving GPR30 receptors and sodium/hydrogen exchanger (NHE), but the signaling pathways of this mechanism are unknown. We hypothesize that aldosterone enhances CTGF via cAMP/protein kinase A (PKA) pathway that activates protein kinase C (PKC) and stimulates superoxide (O2−) production. Rabbit Af-Arts and their a

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Ren, YiLin, Martin A. D'Ambrosio, Jeffrey L. Garvin, et al. "Aldosterone sensitizes connecting tubule glomerular feedback via the aldosterone receptor GPR30." American Journal of Physiology-Renal Physiology 307, no. 4 (2014): F427—F434. http://dx.doi.org/10.1152/ajprenal.00072.2014.

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Increasing Na delivery to epithelial Na channels (ENaC) in the connecting tubule (CNT) dilates the afferent arteriole (Af-Art), a process we call connecting tubule glomerular feedback (CTGF). We hypothesize that aldosterone sensitizes CTGF via a nongenomic mechanism that stimulates CNT ENaC via the aldosterone receptor GPR30. Rabbit Af-Arts and their adherent CNTs were microdissected and simultaneously perfused. Two consecutive CTGF curves were elicited by increasing luminal NaCl in the CNT. During the control period, the concentration of NaCl that elicited a half-maximal response (EC50) was 3

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Obuchi, Kohei, Hiromichi Obara, Darsono Nono, and Hiroshi Mizunuma. "21204 Manipulation of single wall carbon nanotubes using AC electric field and capillary thinning flow." Proceedings of Conference of Kanto Branch 2013.19 (2013): 541–42. http://dx.doi.org/10.1299/jsmekanto.2013.19.541.

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Jalaboi, Raluca, Mauricio Orbes Arteaga, Dan Richter Jørgensen, et al. "Explainability of Convolutional Neural Networks for Dermatological Diagnosis." Iproceedings 6, no. 1 (2021): e35437. http://dx.doi.org/10.2196/35437.

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Background Convolutional neural networks (CNNs) are regarded as state-of-the-art artificial intelligence (AI) tools for dermatological diagnosis, and they have been shown to achieve expert-level performance when trained on a representative dataset. CNN explainability is a key factor to adopting such techniques in practice and can be achieved using attention maps of the network. However, evaluation of CNN explainability has been limited to visual assessment and remains qualitative, subjective, and time consuming. Objective This study aimed to provide a framework for an objective quantitative as

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Rousso, Rotem, Neta Katz, Gull Sharon, Yehuda Glizerin, Eitan Kosman, and Assaf Shuster. "Automatic Recognition of Oil Spills Using Neural Networks and Classic Image Processing." Water 14, no. 7 (2022): 1127. http://dx.doi.org/10.3390/w14071127.

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Oil spill events are one of the major risks to marine and coastal ecosystems and, therefore, early detection is crucial for minimizing environmental contamination. Oil spill events have a unique appearance in satellite images created by Synthetic Aperture Radar (SAR) technology, because they are byproducts of the oil’s influence on the surface capillary, causing short gravity waves that change the radar’s backscatter intensity and result in unique dark formations in the SAR images. This signature’s appearance can be utilized to monitor and automatically detect oil spills in SAR images. Althoug

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Lee, Doohee, Guodong Wu, Wonhyeong Kim, Yoolim Cha, and Dong-Joo Kim. "(Digital Presentation) Paper-Based Sensor for Monitoring Urea Oxidation Using Hierarchical Nickel Cobalt Oxide." ECS Meeting Abstracts MA2022-01, no. 52 (2022): 2173. http://dx.doi.org/10.1149/ma2022-01522173mtgabs.

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Urea has attracted attention because of its various potential applications such as hydrogen production, fuel cells, fertilizers, and electrochemical sensors. [1] Their long-term usages can lead to soil acidification and eutrophication, disturbing the ecosystem.[2] As an end-product of human metabolism, urea is a crucial biomarker that can access various human disorders such as kidney and renal function. Thus, the rapid sensing of the urea level in urine can play an important role in diagnostic areas, especially point-of-care testing devices. Most electrochemical biosensors rely on the enzymati

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Chaudhuri, Abhirup, Vinay Arya, Chirodeep Bakli, and Suman Chakraborty. "Capillary filling dynamics in closed-end carbon nanotubes—Defying the classical Lucas–Washburn paradigm." Journal of Chemical Physics 161, no. 18 (2024). http://dx.doi.org/10.1063/5.0237885.

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The emergence of two-dimensional (2D) materials such as carbon nanotubes (CNTs) offers the possibility of exploring new regimes of capillarity and wetting that remained inaccessible with traditional microfluidic and nanofluidic substrates. Here, we bring out the non-intuitive capillary filling regimes in closed-end CNTs using molecular-level investigations. Contrary to the existing understanding of the advancing liquid meniscus getting retarded by the viscous resistance offered by an entrapped vapor phase in a three-dimensional capillary, here the liquid meniscus is shown to accelerate toward

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Giersig, M., I. Firkowska, J. Trosczcynska, M. A. Correa Duarte, and J. A. Rojas-Chapana. "Novel electroporation System for both Gram-negative and Gram-positive Bacteria Assisted by Multi-Walled Carbon Nanotubes." MRS Proceedings 845 (2004). http://dx.doi.org/10.1557/proc-845-aa5.21.

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ABSTRACTGram positive (Lactoccocus lactis) and Gram negative bacteria (Escherichia coli) were used to study the interaction of water-dispersible muti-walled carbon nanotubes (CNTs) with the bacterial cell envelope during microwave (MW) energy exposure. It was observed that the addition of a tiny amount of CNTs to a medium containing bacteria and subsequent exposure of the samples to MW, leads to an intimate contact between the CNT tips and the cell envelope. This phenomenon can be explained in terms of attractive forces between opposite charges of polar structures. Since CNTs under MW irradiat

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Chen, Ying, Ying Chen, Hua Chen, and James S. Williams. "Use of Focused Ion Beam Milling for Patterned Growth of Carbon Nanotubes." MRS Proceedings 1089 (2008). http://dx.doi.org/10.1557/proc-1089-y03-09.

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AbstractA new template technique has been developed to help patterned growth of carbon nanotubes (CNTs) on Si surface without predeposition of metal catalysts. Focused ion beam (FIB) milling was used to create trenches on Si wafer surface as the template and carbon nanotubes only nucleated and grew inside the trenches during a controlled pyrolysis of iron phthalocyanine at 1000oC. The selective growth in the trenches is due to its special surface morphology, crystalline structure and capillarity effect.

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SUBASI, Serkan, Heydar DEHGHANPOUR, and Muhammed MARASLI. "Production and Characterization of GRC-SWCNT Composites for Shell Elements." Materials Science, February 28, 2022. http://dx.doi.org/10.5755/j02.ms.29008.

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Nano-sized defects in Glass fiber Reinforced Concrete (GRC) shell elements can cause damage over time, leading to mechanical and durability problems. Therefore, in this study an experimental program was conducted to investigate the application of single-walled carbon nanotube as a nano-additive material in GRC. Since there is no study on GRC-carbon nanotube (CNT) composites in the literature, the behavior of CNTs on conventional concretes was discussed. Five different GRC-SWCNT composite mixtures containing 0, 0.007, 0.010, 0.015 and 0.020 wt.% single walled carbon nanotube (SWCNT) were obtain

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Ackroyd, Amanda J., Adam De Paolis, Yi-Tao Xu, Arash Momeni, Wadood Y. Hamad, and Mark J. MacLachlan. "Self-assembly of cellulose nanocrystals confined to square capillaries." Nanoscale, 2023. http://dx.doi.org/10.1039/d3nr02650g.

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The self-assembly of cellulose nanocrystals (CNCs) was studied in square capillaries. Confinement causes CNCs to form central defects surrounded by concentric chiral nematic layers that depend on the size of the capillary.

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Yang, Xinxuan, Jiahui Zhao, Hao Tian, et al. "Impact of NA‐1 on Pericyte‐Driven Vasoconstriction and Its Role in No‐Reflow During Cerebral Ischemia–Reperfusion." CNS Neuroscience & Therapeutics 31, no. 5 (2025). https://doi.org/10.1111/cns.70409.

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ABSTRACTBackgroundThe no‐reflow phenomenon in the ischemic brain following arterial recanalization leads to poor prognosis. Previous studies suggest that the clinically proven NA‐1 drug, with disruption of PSD95 in the neuronal terminals alongside the cerebral microvasculature, may inhibit pericytic contraction of microvessels by reducing endothelin‐1 secretion.MethodsA 1.5‐h tMCAO model using Balb/c mice was employed. In vivo two‐photon imaging and immunofluorescence staining were employed to assess the constriction effect of pericytes on capillaries. The impact of NR2B9c/NA‐1 administration

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Yang, Guangjie, Qian Zhang, Chenweijia He, et al. "Bionic Hollow Porous Carbon Nanofibers for Energy‐Dense and Rapid Zinc Ion Storage." Angewandte Chemie International Edition, December 31, 2024. https://doi.org/10.1002/anie.202421230.

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Suboptimal spatial utilization and inefficient access to internal porosity preclude porous carbon cathodes from delivering high energy density in zinc‐ion hybrid capacitors (ZIHCs). Inspired by the function of capillaries in biological systems, this study proposes a facile coordination‐pyrolysis method to fabricate thin‐walled hollow carbon nanofibers (CNFs) with optimized pore structure and surface functional groups for ZHICs. The capillary‐like CNFs maximize the electrode/electrolyte interface area, facilitating the optimal utilization of energy storage sites. The precision‐engineered pore s

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Yang, Guangjie, Qian Zhang, Chenweijia He, et al. "Bionic Hollow Porous Carbon Nanofibers for Energy‐Dense and Rapid Zinc Ion Storage." Angewandte Chemie, December 31, 2024. https://doi.org/10.1002/ange.202421230.

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Suboptimal spatial utilization and inefficient access to internal porosity preclude porous carbon cathodes from delivering high energy density in zinc‐ion hybrid capacitors (ZIHCs). Inspired by the function of capillaries in biological systems, this study proposes a facile coordination‐pyrolysis method to fabricate thin‐walled hollow carbon nanofibers (CNFs) with optimized pore structure and surface functional groups for ZHICs. The capillary‐like CNFs maximize the electrode/electrolyte interface area, facilitating the optimal utilization of energy storage sites. The precision‐engineered pore s

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Weibel, Justin A., Sungwon S. Kim, Timothy S. Fisher, and Suresh V. Garimella. "Experimental Characterization of Capillary-Fed Carbon Nanotube Vapor Chamber Wicks." Journal of Heat Transfer 135, no. 2 (2012). http://dx.doi.org/10.1115/1.4007680.

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The thermal performance of passive vapor chamber heat spreaders can be improved by enhancing evaporation from the internal wick structure. A wick structure that integrates conventional copper screen mesh and carbon nanotubes (CNTs) is developed and characterized for increased heat transport capability and reduced thermal resistance. The high-permeability mesh provides for a low-resistance liquid flow path while the carbon nanotubes, with their high thermal conductivity and large surface area, help reduce conduction and phase-change resistances. The wicks are fabricated by sintering a copper me

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Hermsen, Meyke, Valery Volk, Jan Hinrich Bräsen, et al. "Quantitative assessment of inflammatory infiltrates in kidney transplant biopsies using multiplex tyramide signal amplification and deep learning." Laboratory Investigation, May 18, 2021. http://dx.doi.org/10.1038/s41374-021-00601-w.

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AbstractDelayed graft function (DGF) is a strong risk factor for development of interstitial fibrosis and tubular atrophy (IFTA) in kidney transplants. Quantitative assessment of inflammatory infiltrates in kidney biopsies of DGF patients can reveal predictive markers for IFTA development. In this study, we combined multiplex tyramide signal amplification (mTSA) and convolutional neural networks (CNNs) to assess the inflammatory microenvironment in kidney biopsies of DGF patients (n = 22) taken at 6 weeks post-transplantation. Patients were stratified for IFTA development (<10% versus ≥10%)

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Bigler, Marius Reto, and Oliver Baum. "Deep learning-based classification of the capillary ultrastructure in human skeletal muscles." Frontiers in Molecular Biosciences 11 (May 1, 2024). http://dx.doi.org/10.3389/fmolb.2024.1363384.

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BackgroundCapillary ultrastructure in human skeletal muscles is dynamic and prone to alterations in response to many stimuli, e.g., systemic pathologies such as diabetes mellitus and arterial hypertension. Using transmission electron microscopy (TEM) images, several studies have been conducted to quantify the capillary ultrastructure by means of morphometry. Deep learning techniques like convolutional neural networks (CNNs) are utilized to extract data-driven characteristics and to recognize patterns. Hence, the aim of this study was to train a CNN to identify morphometric patterns that differ

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Borrero-López, Antonio M., Luiz G. Greca, Orlando J. Rojas, and Blaise L. Tardy. "Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals." Cellulose, November 22, 2022. http://dx.doi.org/10.1007/s10570-022-04937-4.

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AbstractThe self-assembly of cellulose nanocrystals can tether their interfacial interactions and the associated properties of their constructs. For instance, assemblies of highly aligned cellulose nanocrystals (CNCs) bear improved mechanical strength, barrier properties, and piezoelectric response. In this study, the self-assembly of CNC superstructure was assessed under various confinement geometries, enabling optimization of the long-range order within the microstructures formed. The confinement involved the planar capillary (with a rectangular cross-section)formed between two glass substra

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Zhang, Juan, Rui Gao, Xiaona Yang, et al. "Nanoconfined and Chemically Bonded MnO@Mn₂O₃ Heterojunctions Within Carbon Nanotubes for Fibrous Supercapacitor with Ultra‐Long Cycle Stability." Advanced Functional Materials, January 2, 2025. https://doi.org/10.1002/adfm.202418734.

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AbstractCarbon‐based fibrous supercapacitors (FSSCs) are promising power sources for wearable electronics, often compounding with transition metal oxides (TMOs) to improve energy density. However, conventional methods introducing TMOs onto exterior surfaces of carbon‐based fibers typically degrade electrical transport and cycle stability. Herein, nanoconfined MnO@Mn2O3 heterojunctions within carbon nanotube (CNT) (MOIC) composite FSSCs stabilized by Mn─O─C bonds, exhibiting record cycle stability with 95.7% capacitance retention after 10 000 cycles and 89.4% after 50 000 cycles are reported. X

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Shuvo, Abdul Aziz, C. Ulises Gonzalez-Valle, Xiang Yang, and Bladimir Ramos-Alvarado. "Assessment of the free shear boundary condition in a capillary meniscus via molecular dynamics." Physics of Fluids 36, no. 11 (2024). http://dx.doi.org/10.1063/5.0238573.

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Computational fluid dynamics models often employ the free shear boundary condition at free surfaces, a result from the continuity of the stress and the large viscosity contrast at liquid–gas interfaces. This study leverages nonequilibrium molecular dynamics simulations to investigate the validity of the free shear boundary condition on the exposed surface of a liquid meniscus at the nanoscale. The primary objective is elucidating the fundamental mechanisms and behavior of fluid interactions within a capillary meniscus formed between two carbon nanotubes (CNTs) in shear-driven flow. Shear-drive

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Schmitz, Jessica, David Christensen, Lena Müller, et al. "MO055: Multi-Class Segmentation of Kidney Tissues using Convolutional Neuronal Networks (CNNS)." Nephrology Dialysis Transplantation 37, Supplement_3 (2022). http://dx.doi.org/10.1093/ndt/gfac063.007.

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Abstract BACKGROUND AND AIMS Routine pathological diagnostics in kidneys are mainly based on semi-quantitative eyeballing. In own former studies, we showed predictive value of precise immune cell quantification in allografts using digital semi-automated techniques. We now aim to achieve fully automated segmentation workflow with CNNs. METHOD Standard routine stains (immuno/histochemistry, immunofluorescence) were digitized (20×) with Metafer, a commercial scanning/imaging platform. Diagnostically relevant anatomical compartments (cortex, medulla, glomeruli, tubuli [proximal/distal/collecting d

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