微流控芯片用于AFP快速检测的研究

目的建立一种可以用于免疫分析的微流控芯片系统。方法采用激光直接加工法制备微流控芯片，建立由流体拉制系统、免疫反应系统和信号处理系统构成的芯片系统，用于甲胎蛋白的测定。结果芯片系统可以在20min内完成AFP的分析，所需要的标本量和试荆量为5μl，线性范围为1-800ng／ml，批内CV平均为4．8％，批间CV平均为7．0％，回收率为96．3％。结论微流控芯片系统是一种快速、耗费小、可重复使用的AFP测定方法。     

总T3快速检测微流控芯片的制作及应用研究

目的 建立一种可以用于免疫分析的微流控芯片系统。方法 采用激光直接加工法制备微流控芯片，建立由流体控制系统、免疫反应系统和信号处理系统构成的芯片系统，用免疫竞争法测定总T3。结果 芯片系统可以在20min内完成总T3的分析，所需要的标本量和试剂量为5μl。线性范围为1～10ng／ml，批内CV平均为7．2％。批间CV平均为10．7％，回收率为108．5％。结论 微流控芯片系统用于检测总T3具有快速、灵敏、稳定、可重复使用的特点。     

微流控免疫芯片快速检测法的建立及其检测TSH和T4的效果

目的 在已制备的微流控芯片系统上建立基于顺磁微球的免疫检测方法，并将此方法用于检测促甲状腺激素（TSH）和甲状腺素（T4）。方法 采用数字激光刻蚀技术制备微流控芯片，以luminol-H2O2为发光体系，用双抗夹心法测定TSH，用免疫竞争法测定T4。结果 该检测系统可以在25min内完成检测，所需的标本和抗体试剂量为10山，TSH检测范围为0～50μIU／ml，批内CV平均为4．9％，批间CV平均为4．9％，平均回收率为93．74％；T4检测范围为9．375～300ng／ml，批内CV平均为4．9％，批间CV平均为4．7％，平均回收率为91．27％。结论 本方法检测TSH和T4具有操作简便、节约时间、节省试剂、稳定性好、准确度高的优点。     

TSH的快速免疫检测在微流控芯片系统中的应用

目的建立一种可将免疫反应原理与化学发光技术相结合的微流控芯片系统。方法采用激光直接加工法制备微流控芯片,用双抗夹心法测定TSH。结果芯片系统可以在25min内完成TSH的检测流程,所需的标本和抗体试剂量为10μl,线性范围为0-50μIU/ml,批内CV平均为4.7%,批间CV平均为4.6%,平均回收率为95.3%。结论用于检测TSH的微流控芯片系统灵敏、快速、操作简便、可重复使用。     

四种方法检测甲胎蛋白的比较

目的：比较时间分辨荧光免疫法（TRFIA）、微粒子化学发光法（CLA）、放射免疫法（RIA）和酶免疫法（EIA）四种方法检测甲胎蛋白（AFP）的线性、重复性、准确性和对比试验。方法：用不同浓度AFP分别进行了线性、精密度和回收试验。结果：TRFIA、CLA、RIA、和EIA四种方法的线性范围分别为1～1000ng／ml，1～1000ng／ml，10～400ng／ml和10—300ng；平均批内CV分别为3．75％、2．88％、5．08％和6．78％：平均批间CV分别为4．56％、3．45％、5．88％和7．72％；平均回收率分别为96．8％、97．1％、95．4％和92．6％。对比试验为TRFIA与CLA的相关系数r=0．991．TRFIA与RIA的相关系数r=0．963、TRFIA与EIA的相关系数r=0．843。结论：TR—FIA法和CLA法是目前检测AFP理想的定量方法。     

CO2激光用于微流控免疫分析芯片加工的初步研究

目的建立微流控芯片的CO2激光直接微加工方法。方法构建激光加工装置，设置激光微加工程序，并对激光加工过程中一些影响因素进行分析，最后将加工后的芯片用于免疫分析。结果CO2激光可用于微流控芯片的加工，微流控芯片通道的深度主要受激光加工强度和激光加工次数的影响。对微通道表面的修饰可以改善通道的光滑度，采用该方法加工后的芯片可以用于免疫分析。结论CO2激光微加工法是一种操作方便、所需设备简单、加工周期短的微流控芯片加工方法。     

电化学发光与酶联免疫检测血清促甲状腺激素的分析

目的研究电化学发光免疫法检测优于酶联免疫法的可靠性以及在方法学上前者是否更具优势。方法采用电化学发光和酶联免疫吸附试验对于血清促甲状腺激素进行检测，并进行精密度、准确度、结果报告范围等方面的比较以及促甲状腺激素室内质控变异系数。结果两种方法检测结果高度相关（r值为0．982），两种检测方法无显著性差异（P〉0．05）。检测室内质控品，电化学发光检测批内CV：2．82％、1．54％、1．81％，批间CV：2．24％、2．08％、1．52％，酶联免疫法批内CV：3．71％、2．43％、2．37％，批间CV：3．56％、3．35％、4．27％。电化学发光检测报告的范围明显比酶联免疫法宽。结论电化学发光法的精密度、准确度、报告范围等方面均优于酶联免疫法。     

EIA定量检测T3、T4的方法学评价和临床应用

目的：了解酶免疫法定量检测血清中三碘甲状腺原氨酸（T3）和甲状腺素（T4）的可行性。方法：采用酶免疫法和放射免疫法检测31份血清的T3和T4含量,其结果与放射免疫法的检测结果作对照,同时对一定数量的血清标本作重复试验、回收试验和干扰试验。结果：酶免疫法灵敏度T3：0．3nmoL/L,T4:5.2nmolL/L;血清标本批内CV值和批间CV值;T3为7．5％和9．3％,T4为5．6％和8．4％;T3平均回收率为103％;T4平均回收率104％。应用EIA及RIA共测定临床标本31例。同时进行相关性检验,两法结果无显著性差异（P＞0．05）。结论：酶免疫法用于血清T3和T4定量测定具有灵敏度高和准确性强,实验干扰因素较易控制等特点。     

用液相芯片技术定量测定人血清CEA、AFP和HBsAg

【目的】采用液相芯片技术同时定量测定人血清中癌胚抗原（CEA）、甲胎蛋白（AFP）和乙肝表面抗原（HBsAg），并对该方法进行评价。【方法】制备抗体交联微球及生物素标记抗体，用双抗体夹心法对临床血清标本进行测定。[结果]同时检测CEA、AFP和HBsAg时的线性范围分别为0．032-200ng／mL、0．022-55U／mL、0．26—1000ng／mL，最低检测限分别为8．90pg／mL、0．013U／mL、0．24ng／mL，批内变异系数（cv）〈9％，批间CV〈14％。检测CEA、AFP、HBsAg的灵敏度分别为96．4％、95．8％、92％，特异度分别为95．6％、94．2％、100％，准确度分别为96％、95％、96％。其检测结果与化学发光免疫分析法（CLIA）或时间分辨荧光免疫分析法（TRFIA）之间呈显著的等级相关关系。该方法仅需1μL标本，3h即可完成检测。【结论】液相芯片技术具有可联合检测多项指标、高通量、线性范围广、灵敏度高、重复性好、节省样品和时间等优点，具有临床应用潜力。     

循环酶法与荧光偏振免疫法测定血清同型半胱氨酸水平的结果比较

比较循环酶法和荧光偏振免疫法在血清同型半胱氨酸水平测定中的结果,探讨快速简便检测同型半胱氨酸的方法。方法：选取糖尿病、高血压、冠心病患者以及正常健康志愿者各20例为观察对象,同时应用循环酶法和荧光偏振免疫法对所有患者的血清标本进行检测,比较两种方法测得的血清同型半胱氨酸水平。结果：循环酶方法检测血清同型半胱氨酸的低值血清批内CV为3．06％,中值血清批内CV为3．97％,高值血清批内CV为4．01％;低值血清批间CV为3．11％,中值血清批间CV为3．92％,高值血清批间CV为4．05％;回收率为102．01％;线性回归方程为Y＝0．98X＋0．06,r2＝0．98;血氨浓度＜70μmoL/L时,同型半胱氨酸浓度测定值与原始值的偏差均＜5％。经循环酶法检测,糖尿病组、高血压组、冠心病组和健康组观察对象血清同型半胱氨酸浓度分别为8．87±1．21（μmoL/L）、10．21±1．02（μmoL/L）、14．52±1．31和8．11±0．14（μmoL/L）,比荧光偏振免疫法测得的结果无明显差别,比较差异均无统计学意义（ P＞0．05）。结论：循环酶法利用全自动生化分析仪测定血清同型半胱氨酸具有较好的精密度和回收率,可获得可靠准确的结果,且成本较低,操作较简便。     

Acupuncture Treatment of Vomiting

CASE HISTORY A female patient, 46 years old, head of the foreign affairs department of a certain university in Beijing, paid her first visit on October 9, 2006, with the chief complaint of vomiting for one month. She got vomiting after meals in early September. Before that, she had discomfortable sensation in the stomach due to angry with others, but she didn't pay much attention. Later, it developed into vomiting after eating. After the vomiting, the discomfort would be relieved, but with slight hypodynamia. She was once diagnosed as having 'neurogenic vomiting'. Having taken some western and Chinese drugs, the above symptoms were a little bit improved, but she would have nausea upon eating and with regurgitation. Because of the fear for vomiting, she did not dare to have food intake, with body weight reduction of 6 kilos in one month.     

Qiu Baoguo''''s Experience in Treating Consumptive Syndromes after Radio-Chemotherapies

Radiotherapy and chemotherapy are the important modern medical therapies for malignant tumors,yet they can also bring about serious local and systemic toxic side reactions so to decrease the patient;'s life quality,manifested by a series of consumptive symptoms.Having engaged in the combined work of Chinese and western medicine for nearly 50 years,the research fellow Qiu Baoguo in Henan Provincial Academy of TCM has developed his unique views on the TCM study of consumptive syndromes.The author of this essay had once the fortune tO follow Dr.Qiu in clinic,and specially would like to introduce in the following Dr.Qiu's experience in treating consumptive syndromes after radio-chemotherapies for patients with malignant tumor.     

Insomnia Due to Deficiency of Both the Heart and Spleen Treated by Acupuncture-Moxibustion and Chinese Tuina

OBJECTIVE: To observe therapeutic effects of the comprehensive therapy of acupuncture-moxibustion and Chinese Tuina for treatment of insomnia due to deficiency of both the heart and spleen. METHODS: 92 cases were divided randomly into the treatment group (treated by acupuncture-moxibustion and Chinese Tuina) and the control group (treated by acupuncture-moxibustion). RESULTS: The therapeutic effect of the treatment group was obviously superior to that of the control group (the CHI2 test showed P < 0.01). CONCLUSIONS: The comprehensive therapy of acupuncture-moxibustion and Chinese Tuina can give marked therapeutic effects for treatment of insomnia due to deficiency of both the heart and spleen.     

Analysis of CK-19,PDX-1,Nestin,Ngn3 in different donor islet purity in rats

Objective: To investigate if there are the CK-19, PDX-1, Nestin, Ngn3 positive cells in the donor islets of different purity in rats. Methods: Thirty male adult SD rats were randomly divided into 3 groups. Islets were isolated using digestion by ductal injection of collagenase. Group Ⅰ (n=10): Separating cell preparations were not purified, Group Ⅱ(n=10): Islet sediment was purified with 25% Ficoll400 ,Group Ⅲ (n=10): Islet sediment was purified with 25% and 11% Ficoll-400. The levels of protein of CK-19, PDX-1, Nestin and Ngn3 were detected by immunohistochemistry and the mRNA of CK-19, PDX-1, Nestin, Ngn3 was amplified by RT-PCR. Results: After two different purification methods applied, three islet preparations of different purities were obtained. The difference of islet purity was significant among various groups (P＜0.05). Compared with group Ⅱ and group Ⅲ,the protein and mRNA of CK-19, PDX-1, Nestin,Ngn3 were both higher in group Ⅰ; group Ⅲ was poorly expressed. Conclusions: The three different islet purity donor islet have different CK-19, PDX-1, Nestin, Ngn3 positive cells within them, indicating that there are some islet stem cells in the purified donor islet.     

A preliminary screening study on the associated proteins in human psoriasis vulgaris by serum proteomics technologies

Objective：To investigate the optimum screening conditions of associated proteins in human psoriasis vulgaris by serum proteomics technique, and to screen the different expression proteins related with psoriasis vulgaris. Methods：Serum samples of peripheral blood were collected from newly diagnosed psoriasis vulgaris patients in the clinic, and 20 matched healthy persons. Serum albumin IgG was removed by filtering with ProteoExtract Albumin/IgG. After comparative proteomics analysis the different protein spots were identified using 2-DE and MS. Results ：Electrophoresis figures with high resolution and reproducibility were obtained. Three different expression proteins were found only in the serum from psoriasis vulgaris patients, while nine other different proteins expressing from healthy volunteers. Conclusion：The protein expression was different in the serum between the psoriasis vulgaris patients and healthy volunteers. It was hoped that we could find the biomarkers related to psoriasis vulgaris by using proteomics.     

A CASE OF HUGE GASTRIC DISOPYROBEZOAR

PYTOBEZOARS are common bezoars in gastrontestinal tract, commonly seen in stomach and mall intestine,1but huge disopyrobezoars are     

Acupuncture Treatment of Chest Bi Syndrome

CASE HISTORY A male,a retired officer of 61 years old,paid his first visit on May 12,2006.The patient stated that 2 weeks before he suddenly got paroxysmal precordial choking pain,with irregular attacks.Each attack would last several seconds to several minutes.The attack was accompanied with heavy oppressed sensation in the precordial region,palpitation,lassitude,and in severe cases,sweating,which was once diagnosed by a hospital as'coronary heart disease'.Recalling the case history,the patient said that several days before he got angry with others because of some affairs in work,and he was not so used to the life pattern since he had just retired from his busy working post.At usual times,he was quick tempered and peevish.In recent days,he had poor appetite,and loose stool.     

Instructions to Contributors

The English edition of Chinese Journal of Integrative Medicine is edited and published by the Chinese Journal of Integrated Traditional and Western Medicine Press.Original scientific papers of advanced clinical and experimental medicine in the field of complementary/alternative medicine or integrative medicine are expected.     

Development Is A High Level Inheritance for China Time-honored Brand Products

<正>As culture is the soul of a nation,the three books,"History of Chinese Philosophy,""History of Chinese Culture"and"History of Chinese Science and Technology"have demonstrated the superiority of our great Chinese culture,and its significant impact in the field of international culture.Both core value and practical value of the Chinese culture are very clear,reflected in the views of universe,nature,life,health,disease,and therapy and related considerations,concepts,and technical methods.