Results 131 to 140 of about 91,243 (286)

High‐Temperature Stable Narrowband Near‐Infrared Phosphor‐Converted Light‐Emitting Diode Based on Melt‐Grown CsPbCl3: Yb3+ Crystal

open access: yesRare Metals, EarlyView.
ABSTRACT Narrowband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) featuring low full‐width at half maximum (FWHM) and high conversion efficiency are crucial for chemical content evaluation, light therapy, and bioimaging.
Chunshen Li   +4 more
wiley   +1 more source

山西省农村地区白内障患者眼球生物参数测量分析

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2010
【目的】 针对农村地区白内障患者,测量眼轴长度(OAL )65380;角膜厚度(CT)65380;前房深度(ACD)65380;晶状体厚度(LT)65380;角膜曲率(CC)等生物学参数,并分析其相关性65377;【方法】 对2009年山西省眼科医院防盲手术医疗队实施复明手术的1 049例(1 210只眼)农村地区白内障患者,采用A型超声与角膜曲率仪进行术前眼球生物学参数检测,并进行组间比较和相关性分析65377;【结果】 在年龄相关性白内障人群中,年龄与眼轴(OAL)呈弱负相关(r = -0.23 ...
doaj  

胃及口腔幽门螺杆菌感染与慢性胃炎的相关性分析

open access: yesZhongguo shiyan zhenduanxue, 2018
HP(幽门螺杆菌)与慢性胃炎、消化道溃疡等疾病密切相关,HP与口腔多种疾病也密切相关[1-3]。如何彻底根除幽门螺杆菌一直是研究的重点。本研究通过比较三种胃炎患者胃及口腔HP检测阳性率探讨慢性胃炎与口腔及胃幽门螺杆菌感染相关性,为临床幽门螺杆菌相关疾病防治提供依据。
赵宇阳, 李慧, 张艳
doaj  

Engineering a Tumor‐Targeted MgH2@Lip/PD‐L1 Nanoplatform for Synergistic Hydrogen Therapy and Immune Activation

open access: yesRare Metals, EarlyView.
ABSTRACT Lung cancer remains the leading cause of cancer‐related deaths worldwide, yet immune checkpoint blockade (ICB) is often compromised by an immunosuppressive tumor microenvironment (TME) with acidosis, hypoxia, and poor T cell infiltration. Here, we develop a TME‐responsive nanoplatform (MgH2@Lip/PD‐L1) that couples hydrogen gas therapy with PD ...
Xuyu Gu   +5 more
wiley   +1 more source

癌性贫血患者血清Hepcidin及炎症介质因子LPS和IL-6表达及其意义

open access: yesZhongguo shiyan zhenduanxue, 2012
目的研究Hepcidin在癌性贫血发生中的意义及其与炎症介质因子细菌脂多糖(LPS)和白细胞介素-6(IL-6)之间的关系。方法应用双抗夹心生物素-亲和素-酶联免疫吸附试验(ABC-ELISA)方法检测50例癌性贫血患者和140例无贫血癌症患者的血清Hepcidin和LPS和IL-6,并分析Hepcidin与贫血、与IL-6以及LPS之间的相关关系。结果 ①癌性贫血患者血清Hepcidin为51.99±32.56μg/L明显高于无贫血患者的36.63±31.99μg/L ...
潘湘涛   +5 more
doaj  

Ultrafast Catalytic Decomposition Reaction Using a ZIF‐67@Celluolose Nanofiber Composite‐Based Cobalt/ Nitrogen Co‐Doped Nanoporous Carbon for Water Treatment

open access: yesRare Metals, EarlyView.
ABSTRACT Recently, cobalt/nitrogen co‐doped materials have emerged as heterogeneous catalysts to activate peroxymonosulfate (PMS) and have been applied to advanced oxidation processes for environmental remediation. However, their recyclability and reusability remain major barriers to practical application.
Wen‐Kai Zhu   +11 more
wiley   +1 more source

肿瘤相关性贫血相关因素分析

open access: yesZhongguo shiyan zhenduanxue, 2013
目的分析非血液系统肿瘤相关性贫血的相关因素。方法回顾性分析543例非血液系统肿瘤患者的临床资料,综合分析非血液系统肿瘤患者的性别、年龄、病种、分期、病理、肿瘤功能评分(ECOGPS)、β2-微球蛋白、肿瘤标记物、血清白蛋白、乳酸脱氢酶、化疗等因素与非血液系统肿瘤贫血的相关性。结果 543例非血液系统肿瘤患者排除放化疗因素后统计530例患者的贫血发生率为20.75%,其中消化系统肿瘤贫血发生率最高(35.33%),Ⅰ、Ⅱ度贫血发生率15.47%,Ⅲ、Ⅳ贫血发生率5.29%,多发生于消化道肿瘤 ...
刘彤华
doaj  

Excellent Comprehensive Electromechanical Properties in PZT‐Based Hard High‐Temperature Piezoceramics

open access: yesRare Metals, EarlyView.
ABSTRACT High‐power piezoelectric ceramics which have a wide operating temperature range are essential for sensor and actuator applications in extreme conditions. However, their development is fundamentally hindered by the inherent trade‐off among key parameters (TC, d33, Qm).
Rui Yan   +10 more
wiley   +1 more source

慢性阻塞性肺疾病患者血清IgE含量与支气管舒张试验临床相关性

open access: yesZhongguo shiyan zhenduanxue, 2008
目的探讨慢性阻塞性肺疾病患者血清IgE含量与支气管舒张试验临床相关性。方法取67例COPD患者,血清用散射速率比浊法测定其IgE含量,并进行FEV1及其改善率测定,对所得数据进行统计学分析。结果IgE值与FEV1进行相关性分析和显著性检验呈负相关(r=-0.301 ...
赵贺秋, 赵颂秋
doaj  

Non‐Precious Metals Enhance Hydrogen Evolution in COF/Cd0.9Cu0.1S S‐Scheme Heterojunctions: KPFM Reveals Charge Transfer Pathways

open access: yesRare Metals, EarlyView.
ABSTRACT Photocatalytic hydrogen production from water splitting is a promising strategy for sustainable and clean energy generation. However, the design of low‐cost, highly active photocatalysts remains a critical challenge. In this study, covalent organic frameworks (COFs) were loaded onto the surface of Cd0.9Cu0.1S to fabricate COF/Cd0.9Cu0.1S ...
Yue Zhao   +3 more
wiley   +1 more source

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