With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety...With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety and efficiency.However,the uneven energy collection and consumption among IoT devices at varying distances may lead to resource imbalance within energy harvesting networks,thereby resulting in low energy transmission efficiency.To enhance the energy transmission efficiency of IoT devices in energy harvesting,this paper focuses on the utilization of collaborative communication,along with pricing-based incentive mechanisms and auction strategies.We propose a dynamic relay selection scheme,including a ladder pricing mechanism based on energy level and a Kuhn-Munkre Algorithm based on an auction theory employing a negotiation mechanism,to encourage more IoT devices to participate in the collaboration process.Simulation results demonstrate that the proposed algorithm outperforms traditional algorithms in terms of improving the energy efficiency of the system.展开更多
目的探讨抗血小板抗体与ITP患儿IVIG治疗疗效及Treg/Th17免疫细胞比例失衡之间的关系。方法分析抗血小板抗体阳性与阴性各60例原发性ITP患儿接受IVIG治疗前后血小板计数、Treg/Th17比例的变化及相关性。结果1)与对照组相比,病例组ITP患...目的探讨抗血小板抗体与ITP患儿IVIG治疗疗效及Treg/Th17免疫细胞比例失衡之间的关系。方法分析抗血小板抗体阳性与阴性各60例原发性ITP患儿接受IVIG治疗前后血小板计数、Treg/Th17比例的变化及相关性。结果1)与对照组相比,病例组ITP患儿IVIG治疗疗效较好(治疗有效:50 vs 32)(P<0.01)。2)IVIG治疗后,2组患儿血小板计数(×10^(9)/L)(病例组:4.5±2.9 vs 327.4±69.5,对照组:4.1±3.2 vs 304.7±75.9)、Treg细胞水平(%)(病例组:2.15±1.08 vs 5.09±1.37,对照组:2.41±0.92 vs 4.98±1.10),Treg/Th17比例显著升高(病例组:1.10±0.19 vs 4.75±1.11,对照组:1.27±0.21 vs 4.69±0.81),Th17细胞水平(%)显著降低(病例组:2.07±1.31 vs 1.37±0.92,对照组:2.13±1.18 vs 1.48±1.01);与对照组相比,病例组Treg、Th17和Treg/Th17比例在治疗前后均无显著变化(P>0.05),但血小板计数增加更明显(P<0.05)。3)IVIG治疗后对照组阳性3例,而病例组阴性12例,IVIG治疗对ITP患儿抗血小板抗体的阳性率可能没有影响(P>0.05)。4)IVIG治疗后血小板计数变化与Treg水平呈显著正相关(病例组r=0.49,对照组r=0.441),与Th17细胞水平呈显著负相关(病例组r=-0.390,对照组r=-0.364)。结论抗血小板抗体可以作为ITP患儿IVIG治疗疗效的1种预测指标,但其与Treg/Th17比例变化无关。展开更多
基金funded by the Researchers Supporting Project Number RSPD2024R681,King Saud University,Riyadh,Saudi Arabia.
文摘With the rapid development and application of energy harvesting technology,it has become a prominent research area due to its significant benefits in terms of green environmental protection,convenience,and high safety and efficiency.However,the uneven energy collection and consumption among IoT devices at varying distances may lead to resource imbalance within energy harvesting networks,thereby resulting in low energy transmission efficiency.To enhance the energy transmission efficiency of IoT devices in energy harvesting,this paper focuses on the utilization of collaborative communication,along with pricing-based incentive mechanisms and auction strategies.We propose a dynamic relay selection scheme,including a ladder pricing mechanism based on energy level and a Kuhn-Munkre Algorithm based on an auction theory employing a negotiation mechanism,to encourage more IoT devices to participate in the collaboration process.Simulation results demonstrate that the proposed algorithm outperforms traditional algorithms in terms of improving the energy efficiency of the system.
文摘目的探讨抗血小板抗体与ITP患儿IVIG治疗疗效及Treg/Th17免疫细胞比例失衡之间的关系。方法分析抗血小板抗体阳性与阴性各60例原发性ITP患儿接受IVIG治疗前后血小板计数、Treg/Th17比例的变化及相关性。结果1)与对照组相比,病例组ITP患儿IVIG治疗疗效较好(治疗有效:50 vs 32)(P<0.01)。2)IVIG治疗后,2组患儿血小板计数(×10^(9)/L)(病例组:4.5±2.9 vs 327.4±69.5,对照组:4.1±3.2 vs 304.7±75.9)、Treg细胞水平(%)(病例组:2.15±1.08 vs 5.09±1.37,对照组:2.41±0.92 vs 4.98±1.10),Treg/Th17比例显著升高(病例组:1.10±0.19 vs 4.75±1.11,对照组:1.27±0.21 vs 4.69±0.81),Th17细胞水平(%)显著降低(病例组:2.07±1.31 vs 1.37±0.92,对照组:2.13±1.18 vs 1.48±1.01);与对照组相比,病例组Treg、Th17和Treg/Th17比例在治疗前后均无显著变化(P>0.05),但血小板计数增加更明显(P<0.05)。3)IVIG治疗后对照组阳性3例,而病例组阴性12例,IVIG治疗对ITP患儿抗血小板抗体的阳性率可能没有影响(P>0.05)。4)IVIG治疗后血小板计数变化与Treg水平呈显著正相关(病例组r=0.49,对照组r=0.441),与Th17细胞水平呈显著负相关(病例组r=-0.390,对照组r=-0.364)。结论抗血小板抗体可以作为ITP患儿IVIG治疗疗效的1种预测指标,但其与Treg/Th17比例变化无关。