目的:旨在研究不同预后及严重程度的创伤性颅脑损伤(TBI)患者T淋巴细胞亚群和CRP水平分析。方法:回顾性分析宜春新建医院2022年5月—2023年6月收治的100例创伤性颅脑损伤患者临床数据。根据患者入院时格拉斯哥昏迷量表(Glasgow coma sca...目的:旨在研究不同预后及严重程度的创伤性颅脑损伤(TBI)患者T淋巴细胞亚群和CRP水平分析。方法:回顾性分析宜春新建医院2022年5月—2023年6月收治的100例创伤性颅脑损伤患者临床数据。根据患者入院时格拉斯哥昏迷量表(Glasgow coma scale,GCS)评分将其分为三组,轻型组(25例):GCS评分13~15分;中型组(33例):GCS评分9~12分;重型组(42例):GCS评分为3~8分,选取同期体检正常志愿者100例为对照组。根据TBI预后存活情况分为存活组90例、死亡组10例,观察并比较不同组别患者的T淋巴细胞亚群(CD4^(+)、CD8^(+)、CD4^(+)/CD8^(+))、C反应蛋白(CRP),并分析各指标之间的相关性。结果:不同颅脑损伤组血清CD8^(+)、CRP水平均高于对照组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于对照组(P<0.05);重型组、中型组CD8^(+)水平均高于轻型组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于轻型组(P<0.05);重型组CD8^(+)水平高于中型组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于中型组(P<0.05);重型组CRP水平高于中型组和轻型组,中型组高于轻型组(P<0.05)。存活组CD4^(+)、CD4^(+)/CD8^(+)均较死亡组高,CD8^(+)、CPR均低(P<0.05)。根据Pearson统计分析显示,TBI患者的CRP与CD4^(+)、CD3^(+)、CD4^(+)/CD8^(+)均呈负相关,CRP与CD8^(+)呈正相关(P<0.05)。结论:不同预后及严重程度的创伤性颅脑损伤患者中,CRP水平与CD8^(+)呈正相关,与CD4^(+)、CD3^(+)及CD4^(+)/CD8^(+)均呈负相关,且严重程度越高CRP水平越高,CD4^(+)、CD3^(+)及CD4^(+)/CD8^(+)水平越低。展开更多
Hollow-structured Cu_(0.3)Co_(2.7)O_(4) microspheres have been synthesized by a simple one-pot template-free hydrothermal method with copper sulfate,cobalt acetate and ammonia as raw materials.The products were charac...Hollow-structured Cu_(0.3)Co_(2.7)O_(4) microspheres have been synthesized by a simple one-pot template-free hydrothermal method with copper sulfate,cobalt acetate and ammonia as raw materials.The products were characterized by powder X-ray diffraction,energy dispersive X-ray analysis,selected area electron diffraction,high-resolution transmission electron microscopy,scanning electron microscopy and BET measurements.The research results show that the hollow Cu_(0.3)Co_(2.7)O_(4) microspheres consist of single-crystalline nanocubes with the diameter of about 20 nm.The formation mechanism of hollow Cu_(0.3)Co_(2.7)O_(4) microspheres is suggested as Ostwald ripening in a solid-solution-solid process,and Cu_(0.3)Co_(2.7)O_(4) microspheres are mesoporous containing two pore sizes of 3.3 and 5.9 nm.The as-prepared Cu_(0.3)Co_(2.7)O_(4) sensors have optimal gas responses to 50×10^(−6) mg/m^(3) C_(2)H_(5)OH at 190℃.展开更多
文摘目的:旨在研究不同预后及严重程度的创伤性颅脑损伤(TBI)患者T淋巴细胞亚群和CRP水平分析。方法:回顾性分析宜春新建医院2022年5月—2023年6月收治的100例创伤性颅脑损伤患者临床数据。根据患者入院时格拉斯哥昏迷量表(Glasgow coma scale,GCS)评分将其分为三组,轻型组(25例):GCS评分13~15分;中型组(33例):GCS评分9~12分;重型组(42例):GCS评分为3~8分,选取同期体检正常志愿者100例为对照组。根据TBI预后存活情况分为存活组90例、死亡组10例,观察并比较不同组别患者的T淋巴细胞亚群(CD4^(+)、CD8^(+)、CD4^(+)/CD8^(+))、C反应蛋白(CRP),并分析各指标之间的相关性。结果:不同颅脑损伤组血清CD8^(+)、CRP水平均高于对照组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于对照组(P<0.05);重型组、中型组CD8^(+)水平均高于轻型组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于轻型组(P<0.05);重型组CD8^(+)水平高于中型组,CD4^(+)、CD3^(+)水平及CD4^(+)/CD8^(+)均低于中型组(P<0.05);重型组CRP水平高于中型组和轻型组,中型组高于轻型组(P<0.05)。存活组CD4^(+)、CD4^(+)/CD8^(+)均较死亡组高,CD8^(+)、CPR均低(P<0.05)。根据Pearson统计分析显示,TBI患者的CRP与CD4^(+)、CD3^(+)、CD4^(+)/CD8^(+)均呈负相关,CRP与CD8^(+)呈正相关(P<0.05)。结论:不同预后及严重程度的创伤性颅脑损伤患者中,CRP水平与CD8^(+)呈正相关,与CD4^(+)、CD3^(+)及CD4^(+)/CD8^(+)均呈负相关,且严重程度越高CRP水平越高,CD4^(+)、CD3^(+)及CD4^(+)/CD8^(+)水平越低。
基金Project(51202066)supported by the National Natural Science Foundation of ChinaProject(NCET-13-0784)supported by the Program for New Century Excellent Talents in University of China。
文摘Hollow-structured Cu_(0.3)Co_(2.7)O_(4) microspheres have been synthesized by a simple one-pot template-free hydrothermal method with copper sulfate,cobalt acetate and ammonia as raw materials.The products were characterized by powder X-ray diffraction,energy dispersive X-ray analysis,selected area electron diffraction,high-resolution transmission electron microscopy,scanning electron microscopy and BET measurements.The research results show that the hollow Cu_(0.3)Co_(2.7)O_(4) microspheres consist of single-crystalline nanocubes with the diameter of about 20 nm.The formation mechanism of hollow Cu_(0.3)Co_(2.7)O_(4) microspheres is suggested as Ostwald ripening in a solid-solution-solid process,and Cu_(0.3)Co_(2.7)O_(4) microspheres are mesoporous containing two pore sizes of 3.3 and 5.9 nm.The as-prepared Cu_(0.3)Co_(2.7)O_(4) sensors have optimal gas responses to 50×10^(−6) mg/m^(3) C_(2)H_(5)OH at 190℃.
