Results 11 to 20 of about 4,031 (108)

Strong gradients, cool performance: A 64-channel array coil with concurrent field monitoring and thermal control for ex vivo diffusion-weighted brain imaging using the 3T connectome 2.0 MRI scanner. [PDF]

Magn Reson Med
Abstract Purpose High‐resolution ex vivo diffusion‐weighted imaging (dMRI) with high b$$ b $$‐values presents significant challenges, including low signal‐to‐noise ratio (SNR), magnetic field perturbations, and temperature‐related measurement shifts.
Müller A, Mahmutovic M, Alem M, Ramos-Llordén G, Sung D, Shrestha M, Hansen SJD, Chemlali C, Ghotra A, Stockmann J, Mekkaoui C, Wald LL, Yendiki A, Huang SY, Keil B.   +14 more
europepmc   +2 more sources

High-density MRI coil arrays with integrated field monitoring systems for human connectome mapping. [PDF]

Magn Reson Med
ABSTRACT Purpose To develop and test two high‐density MRI coil arrays with integrated field monitoring systems for enhanced diffusion imaging with strong diffusion‐sensitizing gradients. Methods Two multichannel head coils were constructed for first‐ and second‐generation 3T Connectome MRI scanners, incorporating 64 and 72 receive channels ...
Mahmutovic M, Shrestha M, Ramos-Llordén G, Sung D, Edwards LJ, Chu Y, Dubovan PI, Müller A, Hansen SJD, Ghotra A, Pine KJ, Müller R, Weiskopf N, Wald LL, Mekkaoui C, Möller HE, Huang SY, Keil B.   +17 more
europepmc   +2 more sources

A deep brain stimulation-conditioned RF coil for 3T MRI. [PDF]

Magn Reson Med
Abstract Purpose To develop and test an MRI coil assembly for imaging deep brain stimulation (DBS) at 3 T with a reduced level of local specific absorption rate of RF fields near the implant. Methods A mechanical rotatable linearly polarized birdcage transmitter outfitted with a 32‐channel receive array was constructed.
Kutscha N, Mahmutovic M, Bhusal B, Vu J, Chemlali C, Hansen SJD, May MW, Knake S, Golestanirad L, Keil B.   +9 more
europepmc   +2 more sources

Blockchain‐based deduplication with arbitration and incentives

IET Information Security, Volume 16, Issue 6, Page 401-416, November 2022., 2022
Abstract Cloud storage is an ideal platform to accommodate massive data. However, with the increasing number of various devices and improved processing power, the amount of generated data is becoming gigantic. Therefore, this calls for a cost‐effective way to outsource massively generated data to a remote server.
Ke Huang, Xiaosong Zhang, Yi Mu, Fatemeh Rezaeibagha, Xiaoming Huang, Yongcheng Gong   +5 more
wiley   +1 more source

An Anonymous Blockchain‐Based Authentication Scheme for Secure Healthcare Applications

Security and Communication Networks, Volume 2022, Issue 1, 2022., 2022
Nowadays, continuous monitoring of a patient’s healthcare data has become a critical factor in human well‐being. However, with the rapid advancement of wireless technology, doctors and healthcare professionals can monitor the patient’s healthcare data in real time.
Arun Sekar Rajasekaran, M. Azees, Irshad Azeem   +2 more
wiley   +1 more source

Cryptanalysis of an Efficient and Secure Certificateless Aggregate Signature‐Based Authentication Scheme for Vehicular Ad Hoc Networks

Security and Communication Networks, Volume 2022, Issue 1, 2022., 2022
Vehicular ad hoc networks (VANETs) apply the Internet of Things technology to provide secure communication among the vehicles, thereby improving the safe driving of vehicles, the utilization of traffic resources, and the efficiency of information services.
Xiaodong Yang, Aijia Chen, Zhisong Wang, Xiaoni Du, Caifen Wang, Ding Wang   +5 more
wiley   +1 more source

A Secure Certificateless Signature Scheme for Space‐Based Internet of Things

Security and Communication Networks, Volume 2022, Issue 1, 2022., 2022
Space‐based Internet of things (S‐IoT) can provide global services and connection capabilities. It has broad emerging application, including marine monitoring, forest monitoring, animal monitoring, disaster emergency response and other fields. However, owing to the openness of satellite communications, S‐IoT is vulnerable to hijacking attacks, and ...
Tongwei Liu, Wei Peng, Kai Zhu, Baokang Zhao, Hao Peng   +4 more
wiley   +1 more source

CCMbAS: A Provably Secure CCM‐Based Authentication Scheme for Mobile Internet

Mobile Information Systems, Volume 2022, Issue 1, 2022., 2022
To improve the security of authentication system and strengthen privacy protection in mobile Internet environment, this paper proposes a provably secure Chebyshev chaotic map (CCM)‐based authentication scheme (CCMbAS). The proposed scheme transformed the traditional public key of Chebyshev chaotic map into a private key and combined two private keys to
Yu Zhang, Guangmin Sun, Peng Zhai, Dragan Pamučar   +3 more
wiley   +1 more source

Analysis of glucose‐dependent dielectric properties of aqueous‐based solution: A proof of concept

IET Science, Measurement &Technology, Volume 15, Issue 7, Page 562-568, September 2021., 2021
Abstract In spite of widespread research and exploration, the status of non‐invasive blood glucometer for diabetic people is far from satisfactory. This unlocks the prospect for further significant research in the field of non‐invasive blood glucose sensing.
Satish, Kushal Sen, Sneh Anand
wiley   +1 more source

Detailed analysis of deformation potentials with application in orbital‐free density functional theory

Acta Crystallographica Section B, Volume 77, Issue 4, Page 458-466, August 2021., 2021
This work presents a detailed analysis of the recently published deformation potentials for application in orbital‐free density functional theory, that are able to take the interaction between atoms into account through the help of their electron densities only.
Kati Finzel
wiley   +1 more source