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Li Feifei,Wang Haidong,Shaheen Tayyab,Pei Pei,Li Menglou,Tang Guanghui 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.3
Chemical pesticides often applied to effectively control the long-horned beetles to protect the forests are reported to affect the non-target organisms adversely. Dastarcus helophoroides is an active natural enemy of long-horned beetles. Studying the molecular mechanism of P450 genes will help to elucidate the metabolic mechanism of pesticides in D. helophoroides to better coordinate the use of chemical and biological controls. In this study, two novel genes, CYP6BQ21, and CYP6BQ22 were successfully cloned from D. helophoroides using the rapid ampli fication of cDNA ends technique. The sequence and homology analyses indicated that CYP6BQ21 was highly similar to CYP6BQ1 from Tribolium castaneum, while CYP6BQ22 was closely related to CYP6BQ13 from T. castaneum. Gene expression patterns showed that CYP6BQ21 and CYP6BQ22 were specifically expressed in the adult stage of D. helophoroides. In addition, CYP6BQ21 and CYP6BQ22 were significantly expressed under the treatment of a high concentration of cypermethrin. Based on these findings, we proposed that CYP6BQ21 and CYP6BQ22 played possible roles in the development and pesticide stress of D. helophoroides. Our findings are an important first step in identifying and characterizing CYP6BQ21 and CYP6BQ22 from D. helophoroides, and lay the groundwork for future research into the role of these novel CYP6s in the regulation of pesticide resistance in D. helophoroides.
Wang, Haidong,Li, Deyuan,Hu, Zhongze,Zhao, Siming,Zheng, Zhejun,Li, Wei Korean Society for Molecular and Cellular Biology 2016 Molecules and cells Vol.39 No.6
To investigate the potential therapeutic effects of polyphenols in treating Pb induced renal dysfunction and intoxication and to explore the detailed underlying mechanisms. Wistar rats were divided into four groups: control groups (CT), Pb exposure groups (Pb), Pb plus Polyphenols groups (Pb+PP) and Polyphenols groups (PP). Animals were kept for 60 days and sacrificed for tests of urea, serum blood urea nitrogen (BUN) and creatinine. Histological evaluations were then performed. In vitro studies were performed using primary kidney mesangial cells to reveal detailed mechanisms. Cell counting kit-8 (CCK-8) was used to evaluate cell viability. Pb induced cell apoptosis was measured by flow cytometry. Reactive oxygen species (ROS) generation and scavenging were tested by DCFH-DA. Expression level of tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), interleukin-1-${\beta}$ (IL-1-${\beta}$) and IL-6 were assayed by ELISA. Western blot and qPCR were used to measure the expression of ERK1/2, JNK1/2 and p38. Polyphenols have obvious protective effects on Pb induced renal dysfunction and intoxication both in vivo and in vitro. Polyphenols reduced Pb concentration and accumulation in kidney. Polyphenols also protected kidney mesangial cells from Pb induced apoptosis. Polyphenols scavenged Pb induced ROS generation and suppressed ROS-mediated ERK/JNK/p38 pathway. Downstream pro-inflammatory cytokines were inhibited in consistency. Polyphenol is protective in Pb induced renal intoxication and inflammatory responses. The underlying mechanisms lie on the antioxidant activity and ROS scavenging activity of polyphenols.
Wei Li,Haidong Wang,Deyuan Li,Zhongze Hu,Siming Zhao,Zhejun Zheng 한국분자세포생물학회 2016 Molecules and cells Vol.39 No.6
To investigate the potential therapeutic effects of polyphenols in treating Pb induced renal dysfunction and intoxication and to explore the detailed underlying mechanisms. Wistar rats were divided into four groups: control groups (CT), Pb exposure groups (Pb), Pb plus Polyphenols groups (Pb+PP) and Polyphenols groups (PP). Animals were kept for 60 days and sacrificed for tests of urea, serum blood urea nitrogen (BUN) and creatinine. Histological evaluations were then performed. In vitro studies were performed using primary kidney mesangial cells to reveal detailed mechanisms. Cell counting kit-8 (CCK-8) was used to evaluate cell viability. Pb induced cell apoptosis was measured by flow cytometry. Reactive oxygen species (ROS) generation and scavenging were tested by DCFH-DA. Expression level of tumor necrosis factor- (TNF-), interleukin-1- (IL-1-) and IL-6 were assayed by ELISA. Western blot and qPCR were used to measure the expression of ERK1/2, JNK1/2 and p38. Polyphenols have obvious protective effects on Pb induced renal dysfunction and intoxication both in vivo and in vitro. Polyphenols reduced Pb concentration and accumulation in kidney. Polyphenols also protected kidney mesangial cells from Pb induced apoptosis. Polyphenols scavenged Pb in-duced ROS generation and suppressed ROS-mediated ERK/JNK/p38 pathway. Downstream pro-inflammatory cytokines were inhibited in consistency. Polyphenol is protective in Pb induced renal intoxication and inflammatory responses. The underlying mechanisms lie on the antioxidant activity and ROS scavenging activity of polyphenols.
Xu Zhiqiang,He Jialiang,Liu Tong,Li Haidong 보안공학연구지원센터 2015 International Journal of Future Generation Communi Vol.8 No.1
In the context of triple play Ominimedia is not just the simple combination of various media, but the aggregation of all media with different features, communication power and influences,and the interaction and mutual fusion among media of different forms and functions. This paper, based on the development trend of triple play, focused on the theme of Ominimedia, studied the traditional media development strategies to Ominimedia and analyzed in detail the strategies of cloud, tube, end and content aggregation. At the same time it explored the strategies for Ominimedia core competitive strength improvement from multiple dimensions of 3D media, communication channel, AirSharing and brand operation with the expectation of offering references to Ominimedia globalization in the context of triple play.
THE ALGORITHM OF DYNAMIC MEMORY BASED ON RESIDUAL ANTIGENFOR INTRUSION DETECTION
Haidong Fu,Xue Li,Jianxun Chen,Xiaolong Zhang 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
A novel dynamical memory algorithm is proposed based on residual antigen theory. The theory is used to formulate a view that the memory is dynamical. The model of multilayer defending system in Network Intrusion Detection is constructed according to the defending hierarchy of Human Immune System.The dynamical memory algorithm applied in Intrusion Detection System has been presented. Results from experiment indicated that the algorithm makes the dynamic and permanent of memory in the Intrusion Detection come true and improves the utilization of system resource.
Under-Oil Superhydrophilic and Flame-Retardant Fabrics for Water Removal from Oil
Sida Fu,Haidong Li,Yue Jiang,Yan Zhao,Zhiguang Xu 한국섬유공학회 2023 Fibers and polymers Vol.24 No.8
In this study, superamphiphilic fabrics with under-oil superhydrophilic property have been prepared using trimesoyl chloride (TMC), tetrakis(hydroxymethyl) phosphonium chloride (THPC), and urea as coating materials. Owing to the unique under-oil superhydrophilicity, the coated fabric is able to absorb water droplets dispersed in oil, and oil stains on the coated fabric (dry) can be easily cleaned off just by rinsing with water (without the use of detergent), showing strong anti-oil-fouling ability. The coating is durable enough to withstand at least 50 cycles of home laundering, 1000 cycles of Martindale abrasions, as well as acid/base etching for 12 h without losing its under-oil superhydrophilic property. Meanwhile, the coated fabric exhibits excellent flame-retardant properties, with an oxygen limiting index (LOI) of 39.5% and a char length of 8.5 cm in vertical flame test. This multi-functional coating may find wide applications in functional textiles, water recovery, and flame-retardant field.
On Research IoT-based Intelligent Parking Management System and Its Design
Xu Zhiqing,He Jialianga,Li Haidong 보안공학연구지원센터 2016 International Journal of Smart Home Vol.10 No.5
With the rapid economic development and constant social advancement in our country, people's production and lifestyle are undergoing profound changes, consequently resulting in traffic jams and increasingly severe challenges on the limited parking resources. How to enhance the utilization of parking places has been an important problem influencing city image and the harmonious economic and social development. This paper introduces a Internet of Things (IoT)-based intelligent parking management system, innovatively proposes a non-source RFID card that utilizes label and sensor binding to actualize vehicle identification and to accomplish functions of vehicle entrance & exit authentication, automatic charging, and parking lot certification, eventually further enhancing the utilization, traffic efficiency and service level of parking places.
Recent progress on photodynamic therapy and photothermal therapy
김희정,YANG MENGYAO,권나현,조문연,HAN JINGJING,Wang Rui,Qi Sujie,Li Haidong,Nguyen Van‐Nghia,Li Xingshu,Cheng Hong‐Bo,윤주영 대한화학회 2023 Bulletin of the Korean Chemical Society Vol.44 No.3
Noninvasive treatments for terminal cancer patients constitute a new trend in tumor treatment. Therefore, phototherapy, including photodynamic therapy (PDT) and photothermal therapy (PTT), has attracted considerable interest. Light and a photosensitizer (PS) are employed in both treatment methods. For PDT, the PS generates reactive oxygen species (ROS) when exposed to light, whereas for PTT, the PS generates heat. In this regard, the systematic design of new PSs has become an active area of phototherapy research in an effort to solve the problems associated with conventional PSs. In the past decade, acti- vatable and heavy-atom-free PSs have become significant research areas. Therefore, we discuss our recent contributions to the PDT and PTT in this account.