Results 151 to 160 of about 246 (211)

Portable Molecularly Imprinted Polymer Sensor for Rapid Swab‐Based Detection of Norovirus

Advanced Healthcare Materials, EarlyView.
This work reports a rapid, portable smartphone‐based sensor capable of detecting four norovirus genotypes from swab samples within 15 min. Sensor selectivity was validated through evaluation against four common live viruses. The swab‐based sampling process enabled simple sample preparation combined with the compact detection system, supporting use of ...
Amy Dann, Pankaj Singla, Minji Kim, Sloane Stoufer, Clare Thomas, Robert D. Crapnell, Craig E. Banks, Jake McClements, Shayan Seyedin, Mark Geoghegan, Samuel T. Jones, Christopher F. Blanford, Matthew D. Moore, Marloes Peeters   +13 more
wiley   +1 more source

Engineered Microvascular Model of the Blood–Brain–Tumor Barrier Reveals Endothelial Remodeling in Diffuse Midline Glioma

Advanced Healthcare Materials, EarlyView.
We developed a patient‐derived, functional microfluidic model of the diffuse midline glioma (DMG) blood–brain–tumor barrier (BBTB) comprised of endothelial cells, astrocytes, pericytes, and tumor cells. The system forms perfusable microvasculature, reveals the BBTB retains vascular integrity, identifies DMG‐specific transcriptomic changes distinct from
Kimberly R. Bennett, Yann S. Vanrobaeys, Tessy Teboh, Zakiya Smith, Anderson Scott, Cynthia Hajal, Paula T. Hammond, Joelle P. Straehla   +7 more
wiley   +1 more source

Thermal behavior of dry-type transformer

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Submersible Dry-Type Transformer

IEEE Transactions on Power Delivery, 2015
This paper describes the concept and development of dry-type transformers for underground distribution networks, capable of operating in the open air, partially submerged or completely submerged without enclosure and in contact with water. The rating is in the range of 500 kVA to about 2000 kVA and 15- or 25-kV voltage.
Martin A. Navarro, Antonio J. Monteiro
exaly   +2 more sources

Review On Insulation And Reliability Of Dry-type Transformer

2019 IEEE Sustainable Power and Energy Conference (iSPEC), 2019
the traditional insulation design and manufacturing process of the dry-type transformer still have the defects, and the hidden danger caused is a serious threat to the long-term safe operation of the transformer. In this paper, the insulation mode of the traditional dry-type transformer and the application of the new insulating material of high ...
Peng Chen, Yangjue Huang, FanJie Zeng, Yang Jin, Xiaofeng Zhao, Jinfeng Wang   +5 more
exaly   +2 more sources

Dry-type transformers for subtransmission

22nd International Conference and Exhibition on Electricity Distribution (CIRED 2013), 2013
The development of a dry-type transformer for the 72.5kV voltage class was already presented at CIRED 2011 [1]. Since then, large interest has been shown by many utilities as well as industries, because of the benefits inherent to the dry technology, meaning superior safety for people, property and the environment.
M. Berrogain, M. Carlen
openaire   +1 more source

A New Dry-Type Insulation for Instrument Transformers

Transactions of the American Institute of Electrical Engineers, 1950
ONE OF the most important functions of instrument transformers is that of insulation. Whether it is a high voltage or a high current that is to be measured, the measurement can be made in a practical manner only if the end device is insulated from the high circuit voltage.
R. A. Pfuntner, R. E. Franck, F. R. D'Entremont   +2 more
openaire   +1 more source

Hot-Spot Temperatures in Dry-Type Transformer Windings

Transactions of the American Institute of Electrical Engineers, 1944
With the increasing use of dry-type transformers, attention has been focused upon the fact that the difference between the average temperature rise by resistance and the hottest-spot temperature rise is much greater than in liquid-immersed transformers. In this paper there are given the results of an extended series of thermal tests on a variety of dry-
H. C. Stewart, L. C. Whitman
openaire   +1 more source

Dry-Type Transformers

2017
A dry-type transformer is one in which the insulating medium surrounding the winding assembly is a gas or dry compound. Many perceptions of dry-type transformers are associated with the class of design by virtue of the range of ratings or end-use applications commonly associated with that form of construction.
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Aging of dry-type transformer insulation

Electrical Engineering, 1949
THERE IS a fundamental difference in the life of insulation containing organic material operated in an insulating liquid as contrasted to the same insulation operated in a gas medium. When operated in an insulating liquid, the liquid tends to replace the material deteriorated and so maintains electrical strength.
H. C. Stewart, L. C. Whitman
openaire   +1 more source