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49 results on '"Han, Guorui"'

3. Protection efficacy and the safety of the synergy between modified Bazhen powder and PRRSV modified-live virus vaccine against HP-PRRSV in piglets.

Author

Chai, Hua, Wei, Yanru, Chen, Wenguang, Han, Guorui, Godspower, Bello-Onaghise, Liu, Yanyan, Dong, Chunliu, Zhang, Zhiyun, and Li, Yanhua

Subjects
PORCINE reproductive & respiratory syndrome, VACCINE effectiveness, VACCINE safety, HUMORAL immunity, CELLULAR immunity
Abstract

The highly pathogenic porcine reproductive and respiratory syndrome virus (HP-PRRSV) poses a significant threat to the global swine industry. Vaccination is a preventive measure against viral infections. However, the use of vaccines in livestock healthcare programs faces the challenge of safety and delayed immune responses. Earlier studies have shown the potential of modified Bazhen powder as an immunomodulator with significant biological properties, but its effect on vaccines against HP-PRRSV is yet to be studied. This study elucidated how modified Bazhen powder could improve the safety and efficacy of the conventional PRRSV vaccine by evaluating T-cell responses, antibody levels, clinical symptoms, levels of viremia, organ health, and cytokine production. The results revealed that the oral application of modified Bazhen powder in combination with PRRS vaccination improved both cellular and humoral immunity, accelerated viremia clearance, improved lung injury scores, and reduced viral load in the tonsils. The modified Bazhen powder also effectively reduced inflammatory responses following a PRRSV challenge. These findings further highlight the pharmacological properties of modified Bazhen powder as a potential oral immunomodulatory agent that could enhance vaccine efficacy and ensure broad-spectrum protection against HP-PRRSV in pigs. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Corrigendum: Protection efficacy and the safety of the synergy between modified Bazhen powder and PRRSV modified-live virus vaccine against HP-PRRSV in piglets.

Author

Chai, Hua, Wei, Yanru, Chen, Wenguang, Han, Guorui, Godspower, Bello-Onaghise, Liu, Yanyan, Dong, Chunliu, Zhang, Zhiyun, and Li, Yanhua

Subjects
AGRICULTURAL colleges, VACCINE safety, VIRAL vaccines, ANIMAL science, WORK sharing
Abstract

The correction notice in the journal "Frontiers in Veterinary Science" addresses an error in the author list of an article on the efficacy and safety of a modified Bazhen powder and PRRSV modified-live virus vaccine against HP-PRRSV in piglets. Professors Chunliu Dong and Zhiyun Zhang were mistakenly excluded as corresponding authors, and the corrected author list has been provided. The authors have acknowledged the error and clarified that it does not impact the scientific conclusions of the article. [Extracted from the article]

Published
2024
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16. A compact triple band-notched quasi-self-complementary UWB MIMO antenna decoupled by SRRs.

Author

Su, Jinrong, Li, Yanling, Chen, Xinwei, Han, Guorui, and Zhang, Wenmei

Subjects
ULTRA-wideband antennas, COPLANAR waveguides, ANTENNAS (Electronics), RESONATORS
Abstract

In this paper, a compact four-element quasi-self-complementary (QSC) ultra-wideband (UWB) multiple-input multiple-output antenna with triple band-notched characteristics is proposed. Coplanar waveguides fed QSC structure is designed as radiation element to achieve wideband and small size. Besides, regular hexagonal split-ring resonators with single negative properties are designed and added on the back of the substrate to obtain high isolation in the whole operating band. Moreover, a double-fork-shaped slit is etched in each radiating element to generate three notched bands covering 3.63–4.24, 5.15–5.98, and 7.17–8 GHz. The experiment results indicate that the isolation of the proposed antenna is higher than 22 dB and the peak gain varies from 2.5 to 6.7 dB in the entire band of 3–18 GHz, which demonstrates that it is suitable for UWB applications. [ABSTRACT FROM AUTHOR]

Published
2023
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23. A Low-Profile Energy Selective Surface With Ultra-Wide Absorption Band

Author

Gong, Wenjian, Zhang, Wenmei, Chen, Xinwei, Han, Guorui, Han, Liping, Su, Jinrong, and Yang, Rongcao

Abstract

A low-profile energy selective surface (ESS) with an ultra-wide absorption band is proposed in this article. It consists of a switchable layer and an absorptive layer. The switchable layer uses p-i-n diodes to adaptively adjust the operating mode. When the incident wave power is low, the ESS operates in transmission mode. It behaves as a bandpass frequency selective surface (FSS) having an ultra-wideband (UWB) absorption out of the passband. As high-power microwaves (HPMs) are incident, the ESS changes to shield mode. The HPM in the passband are reflected, while those out of band are absorbed. As a result, stealth and shielding are realized at the same time. By loading metal patches on both sides of the dielectric substrate, the number of transmission zero out of the passband is increased. As a result, the shielding and absorption bandwidth (AB) are widened. The wide absorption band can absorb detection signals before the diodes are triggered and provide a shield in advance. The experimental results show that the ESS has an insertion loss (IL) of 0.6 dB at 3.8 GHz and an absorption band range of 5.97–13.97 GHz in transmission mode. While in shield mode, a shielding effectiveness (SE) of 13 dB and an absorption band range of 5.74–12.82 GHz are obtained. This novel ESS simultaneously achieving high-power electromagnetic (EM) protection and stealth in a wide band has various prospects of applications in EM protection, EM compatibility, and EM interference along with stealth technology.

Published
2023
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