APCI

Application of analysis of lube antioxidants and antiwear extreme pressure additives by APCI mass spectrometry

大气压化学电离质谱在润滑油抗氧剂和极压抗磨添加剂分析中的应用

The major design features of APCI industrial computer are presented .

介绍了新一代APCI工业控制机的设计特点。

A Detection Instrument of EEC System Based on APCI Bus

基于APCI总线的电子调节器检测仪研制

Studies on APCI / MS of small molecular drugs

小分子药物的APCI/MS研究

Studies on determination of drug levels in plasma by LC / APCI / MS

LC/APCI/MS在血药浓度研究中的应用

Conclusions : Brain CT and BEAM may be predictors of early diagnosis in APCI .

结论：脑CT和BEAM可作为早期诊断APCI的预测指标。

Objective To investigate the clinical significance of coagulation function in acute progressive cerebral infarction ( APCI ) .

目的探讨凝血功能检测在急性进展性脑梗死中的作用。

Analysis and characterization of zinc dialkyl dithiophosphate by apci / ms Technology

用大气压化学电离质谱分析及表征二烷基二硫代磷酸锌

Determination of 6-benzylaminopurine in fruit by HPLC / APCI / MS

HPLC/APCI/MS法测定水果中6-苄基腺嘌呤

Determination of Medroxyprogesterone in Feed by LC - APCI - MS

大气压化学电离质谱法测定饲料中的醋酸甲羟孕酮

The effect of CID voltage on APCI / MS was observed with 5 kinds of drugs as the model compounds .

以其中5种小分子药物为模型化合物，观察碰撞诱导解离电压（CID电压）对APCI/MS的影响。

Conclusion : As a high sensitive analysis technology , APCI / MS may be extensively useful in the in vivo researches of small molecular drugs .

结论：APCI/MS作为一种高灵敏分析方法在与小分子药物的体内过程相关的研究中有广泛应用前景。

Tracing Analysis of Sulfonation of Alkyl Diphenyl Ether by APCI / ESI HPLC / MS

用APCI/ESILC/MS跟踪烷基二苯醚磺化反应

The identification of steroid derivatives is performed under atmospheric - pressure chemical ionization ( APCI ) source in positive-ion mode .

采用大气压化学电离源（APCI）正离子模式，实现了黑线姬鼠粪便中4种类固醇化合物的定性及定量测定。

Practical problems such as the selection of ESI or APCI , the selection of mobile phase , the flow rate and temperature of drying gas were also discussed .

在此基础上，本文讨论了ESI和APCI这两种离子化方式的选择原则，流动相的选择及流速匹配、干燥气的流速和温度确定等实践中遇到的问题。

Objective : To explore the possibility of LC / APCI / MS as a high sensitive and rapid approach to determine the drug levels in plasma .

目的：建立可用于血样检测的小分子药物代谢分析的高灵敏、简捷的液相色谱/大气压解离质谱联用（LC/APCI/MS）方法。

In APCI / MS the structures of small molecular drugs and CID voltage affected their molecular ion peaks and fragment ion peaks obviously .

此外，还给出了丰富的碎片峰；小分子药物的结构与CID电压对APCI/MS的分子离子峰及碎片离子丰度有明确的影响。

Conclusion : As a rapid method with high sensitivity , LC / APCI / MS may be extensively useful in the determination of the drug level in plasma .

结论：LC/APCI/MS作为高灵敏度的简捷方法用于血药浓度研究具有广阔前景。

METHODS : The concentrations of desloratadine were determined by LC / MS / MS with APCI and the pharmacokinetic parameters were calculated .

方法：采用LC/MS/MS（APCI源）测定地洛他定的血浆浓度，并计算药代动力学参数。

Objective To observe the effect of the treatment of batroxobin combined with low molecule heparin ( LMWH ) on acute progressive cerebral infarction ( APCI ) .

目的观察巴曲酶（DF521）和速避凝（LMWH）治疗急性进展型脑梗死的疗效。

Effects of ionization environment , including reaction ions type and amounts in APCI source , on ionization mode of anthraquinones were examined by changing the flow rate and mobile phase proportion .

通过改变流动相的流速和比例改变离子源中反应离子的种类和数量，研究离子化环境对蒽醌类化合物电离方式的影响。

Results : Under the same experimental conditions , the sensitivities of APCI / MS were significantly higher than those of EI / MS for all of the tested drugs ;

结果：在相同的质谱条件下，APCI/MS测定小分子药物的灵敏度明显高于ESI/MS；

The identification of 19 fatty acid derivatives was carried out by online post-column mass spectrometry with atmospheric pressure chemical ionization ( APCI ) source under positive-ion mode detection .

利用柱后在线串联质谱以APCI大气压化学电离源正离子模式实现了各组分的质谱定性。

Objective : To observe brain computed tomography ( CT ) and brain electrical activity mapping ( BEAM ) early features in acute progressive cerebral infarction ( APCI ) in order to provide important objective basis for early clinical diagnosis and treatment .

目的：观察脑CT及脑电地形图（BEAM）在急性进展性脑梗死（APCI）变化特点，为临床早期诊断和治疗提供客观依据。

MS : Use atmospheric pressure chemical ionization ( APCI ), and selected ion mass spectral ( m / z ) 226 ( terbutaline ), 260 ( internal standard ), 368 ( bambuterol ) to quantify .

质谱：大气压化学电离源（APCI），选择性监测（SIR）质荷比（m/z）分别为226（特布他林），260（内标），368（班布特罗）带正电荷的分子离子峰定量。

Atmospheric pressure ionization ( API ) is a type of soft ionization technique . API including ESI and APCI provides efficient ionization for very different molecules including polar , labile , and high molecular mass drugs and metabolites .

大气压离子化（API）质谱是一种软电离技术，对于各种类型的化合物（包括极性的、不稳定的、大分子化合物、药物及代谢产物），API都能进行有效的离子化。

The hardware module of the instrument is composed of six APCI cards and two signal-processing cards . The software module takes the advantages of the test library programming technology and the modularization design to meet any demand of performance optimization and function expansion .

检测仪硬件模块主要包括6块APCI板卡和两块信号调理板，软件模块的测试库编程技术和模块化设计完全满足性能优化和功能扩展的要求。

Methods : one hundred three patients with acute cerebral infarction were studied prospectively after 2.5 ~ 24 hours onset . Thirty-two patients with APCI were analyzed in early features of brain CT and BEAM and compared with that of 71 patients without APCI .

方法：对103例发病2.5～24小时、急性脑梗死患者进行前瞻性研究，其中APCI患者32例，分析脑CT和BEAM早期变化特点，并与71例非进展性脑梗死进行对比。