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Halloysite Clay Nanotubes for Loading and Sustained Release of Functional Compounds Open
Halloysite is an alumosilicate tubular clay with a diameter of 50 nm, an inner lumen of 15 nm and a length of 600–900 nm. It is a natural biocompatible nanomaterial available in thousands of tons at low price, which makes it a good candida…
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<i>Arabidopsis</i> pollen tube integrity and sperm release are regulated by RALF-mediated signaling Open
Timing a switch in tissue integrity In plants, sperm cells travel through the pollen tube as it grows toward the ovule. Successful fertilization depends on the pollen tube rupturing to release the sperm cells (see the Perspective by Stegma…
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Neural-Tube Defects and Antiretroviral Treatment Regimens in Botswana Open
The prevalence of neural-tube defects was slightly higher in association with dolutegravir exposure at conception than with other types of ART exposure at conception (3 per 1000 deliveries vs. 1 per 1000 deliveries). (Funded by the Nationa…
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Nasal high flow clears anatomical dead space in upper airway models Open
Recent studies showed that nasal high flow (NHF) with or without supplemental oxygen can assist ventilation of patients with chronic respiratory and sleep disorders. The hypothesis of this study was to test whether NHF can clear dead space…
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Isothermal Amplification and Ambient Visualization in a Single Tube for the Detection of SARS-CoV-2 Using Loop-Mediated Amplification and CRISPR Technology Open
We have developed a single-tube assay for SARS-CoV-2 in patient samples. This assay combined advantages of reverse transcription (RT) loop-mediated isothermal amplification (LAMP) with clustered regularly interspaced short palindromic repe…
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Water and Blood Repellent Flexible Tubes Open
A top-down scalable method to produce flexible water and blood repellent tubes is introduced. The method is based on replication of overhanging nanostructures from an aluminum tube template to polydimethylsiloxane (PDMS) via atomic layer d…
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Neural tube morphogenesis in synthetic 3D microenvironments Open
Significance In vitro organoids have become widely used model systems in basic research and for therapeutic applications due to their ability to recapitulate key elements of in vivo form and function. However, their full potential remains …
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Performance enhancement by tungsten trioxide and silicon dioxide mixed nanofluids in solar collector of evacuated tube type Open
This study compares the effectiveness of evacuated tube solar collectors with nanofluids. Three different combinations of two nanoparticles were examined at the present investigation. Here, silicon dioxide and tungsten trioxide nanoparticl…
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Hybrid reinforced thermoset polymer composite in energy absorption tube application: A review Open
The custom of hybridization fibre composite in energy absorption tube application has gained the attention of structural crashworthiness in composite material industry. Thus, the approach of this review is to understand the effect in hybri…
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High-speed roll-to-roll manufacturing of graphene using a concentric tube CVD reactor Open
We present the design of a concentric tube (CT) reactor for roll-to-roll chemical vapor deposition (CVD) on flexible substrates and its application to continuous production of graphene on copper foil. In the CTCVD reactor, the thin foil su…
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Experimental thermal performance analysis of finned tube-phase change material based double pass solar air heater Open
The present experimental study is performed to investigate the thermal performances of double pass solar air heater comprising of phase change materials (PCM) contained in metallic finned tubes to have increased energy storage and heat tra…
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Cyclic nucleotide-gated channel 18 is an essential Ca <sup>2+</sup> channel in pollen tube tips for pollen tube guidance to ovules in <i>Arabidopsis</i> Open
Significance In flowering plants, pollen tubes deliver paired sperm cells into ovules for double fertilization by perceiving and responding to multiple attractants secreted from the ovules. Ca 2+ gradients in pollen tube tips are essential…
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Teaching learning optimization and neural network for the effective prediction of heat transfer rates in tube heat exchangers Open
Heat exchangers are widely used in many field for the purpose of heat from one medium to another. In heat exchanger one or more fluids are used, and which are various types based on its flow and construction. Design of heat exchanger is on…
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Enhancing thermal performance: Utilizing carbon nanoparticles from tobacco waste butts in evacuated tube collectors Open
Sustainable Energy device's efficiency enhancement by utilizing the waste of tobacco is focused on this research. The carbon nanoparticles derived from the waste of tobacco through a novel approach. The produced Carbon nanoparticles were u…
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Heat transfer analysis in counter flow shell and tube heat exchanger using of design of experiments Open
In this research aimed to estimate the overall heat transfer coefficient of counter flow shell and tube heat exchanger. Heat transfer is the phenomenon to analysis of heat transfer from one medium of fluid to another medium of fluid, it is…
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Bioinspired inner microstructured tube controlled capillary rise Open
Significance Liquid manipulation in tubes or pipes is greatly important for microfluidic chips, artificial blood vessels, dental suction, medical injection, oil–water separators, and biochemical analysis. Spontaneous and directional liquid…
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Improved Li<sup>+</sup> Storage through Homogeneous N‐Doping within Highly Branched Tubular Graphitic Foam Open
A novel carbon structure, highly branched homogeneous-N-doped graphitic (BNG) tubular foam, is designed via a novel N, N-dimethylformamide (DMF)-mediated chemical vapor deposition method. More structural defects are found at the branched p…
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Tube Feeding in US Nursing Home Residents With Advanced Dementia, 2000-2014 Open
feeding tubes decreased by approximately 50% between 2000 and 2014.This decline parallels the emergence of research, 1,2 expert opinion, and recommendations by national organizations 3 discouraging this practice.Feeding tube use decreased …
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An experimental study on abrasive waterjet cutting of CFRP/Ti6Al4V stacks for drilling operations Open
In the present study, CFRP/Ti6Al4V stacks were machined with abrasive water jet using different process parameters in order evaluate the viability of AWJ industrial application as a substitute of conventional drilling. The effect of the st…
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Generation of intestinal surface: an absorbing tale Open
The vertebrate small intestine requires an enormous surface area to effectively absorb nutrients from food. Morphological adaptations required to establish this extensive surface include generation of an extremely long tube and convolution…
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Concentric Tube Robots as Steerable Needles: Achieving Follow-the-Leader Deployment Open
Concentric tube robots can enable new clinical interventions if they are able to pass through soft tissue, deploy along desired paths through open cavities, or travel along winding lumens. These behaviors require the robot to deploy in suc…
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Numerical study of an Evacuated Tube Solar Collector incorporating a Nano-PCM as a latent heat storage system Open
A new Evacuated Tube Solar Collector (ETSC) incorporating a Nano-PCM with fins is presented and studied. The numerical mathematical 2D model of phase change heat transfer is highlighted. The effect of adding nanoparticles of copper (Cu) to…
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Model identification methodology for fluid-based inerters Open
Inerter is the mechanical dual of the capacitor via the force-current analogy. It has the property that the force across the terminals is proportional to their relative acceleration. Compared with flywheel-based inerters, fluid-based forms…
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Gametophytic Pollen Tube Guidance: Attractant Peptides, Gametic Controls, and Receptors Open
Pollen tube guidance in flowering plants is a unique and critical process for successful sexual reproduction. The pollen tube that grows from pollen, which is the male gametophyte, precisely navigates to the embryo sac, which is the female…
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Single-tube on-beam quartz-enhanced photoacoustic spectroscopy Open
Quartz-enhanced photoacoustic spectroscopy (QEPAS) with a single-tube acoustic microresonator (AmR) inserted between the prongs of a custom quartz tuning fork (QTF) was developed, investigated, and optimized experimentally. Due to the high…
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Active cooling based battery thermal management using composite phase change materials Open
Thermal management system is essential for lithium-ion batteries in electric vehicle to control operating temperature and temperature differences. Phase change material (PCM) is commonly used in the study of battery thermal management syst…
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Quartz–enhanced photoacoustic spectrophones exploiting custom tuning forks: a review Open
A detailed review on the design and realization of spectrophones exploiting custom quartz tuning forks (QTFs) aimed to applications of quartz-enhanced photoacoustic (QEPAS) trace-gas sensors is reported. A spectrophone consists of a custom…
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Biohybrid valveless pump-bot powered by engineered skeletal muscle Open
Significance Engineered living systems is a rapidly emerging field where functional biohybrid machines are built by integration of cells or tissues with engineered scaffolds for countless technological applications. Here, we present a bioh…
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The Dangerous Flavors of E-Cigarettes Open
Nicotine is amazingly addictive. About 20 years ago, researchers in a nearby laboratory were studying the effects of cigarette smoke on lung function in mice. To expose a mouse to cigarette smoke, the mouse is placed in a plastic tube, hea…
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Developments and perspectives on the precision forming processes for ultra-large size integrated components Open
In order to meet the requirements of high reliability, long-lifetime and lightweight in a new generation of aerospace, aviation, high-speed train, and energy power equipment, integrated components are urgently needed to replace traditional…