CN106884034A - 一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 - Google Patents
一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 Download PDFInfo
- Publication number
- CN106884034A CN106884034A CN201510943601.0A CN201510943601A CN106884034A CN 106884034 A CN106884034 A CN 106884034A CN 201510943601 A CN201510943601 A CN 201510943601A CN 106884034 A CN106884034 A CN 106884034A
- Authority
- CN
- China
- Prior art keywords
- reagent
- detection
- buffer solution
- reagents
- preservative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/48—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
- C12Q1/28—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving peroxidase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
- C12Q1/44—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving esterase
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Biophysics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
本发明涉及5’-NT检测技术领域,特别涉及一种5’-NT检测试剂,试剂R1中含有缓冲液,β-甘油磷酸钠,MgCl2,Toos,防腐剂;试剂R2中含有缓冲液,5’-IMP,EHSPT,PNP,XOD,POD,抗坏血酸氧化酶,4-AA,防腐剂。采用磷酸盐缓冲液,添加稳定剂β-甘油磷酸钠、抗坏血酸氧化酶,大大增强了试剂的稳定性;不仅显著改善测定的性能,而且增强了试剂的稳定性和抗干扰能力。
Description
技术领域
本发明涉及5’-核糖核苷酸水解酶检测技术领域,特别涉及一种抗干扰能力强的5’-核糖核苷酸水解酶检测试剂,还涉及使用此检测试剂的检测方法。
背景技术
5’-核苷酸酶全称5’-核糖核苷酸磷酸水解酶(5’-Nucleoticlase或5’-NT),广泛分布在肝、胆、胰、肠、心、脑、肺、肾、垂体、甲状腺、前列腺、睾丸等脏器和组织中,定位在细胞膜上,在肝内主要存在于胆小管和窦状间隙内,是一种催化核苷5’-单磷酸水解生成核苷和无机磷酸盐的酶,最适pH为6.6-7.0,受Mg2 +或Mn2 +激活,为Ni2 +所抑制。众多研究资料表明,血清5’-NT活性升高主要见于肝胆胰系统疾病及某些恶性肿瘤,故有较特异的诊断价值。胆管结石或肿瘤所致之肝外胆管阻塞,以及氯丙嗪、肝癌或肝硬变引起肝内胆汁郁积时,病人血清5’-NT活性可升高2-6倍。原发性或继发性肝硬变时,病人血5’-NT升高较在慢性活动型肝炎时敏感。肝细胞损伤发生肝昏迷时,病人血清5’-NT活性多呈正常。原发性或继发性肝癌患者此酶活性升高的阳性率为88.4%-97.2%。急性胰腺炎病人血清5’-NT略有升高,慢性胰腺炎时血清酶活性正常。发生肝继发癌灶的胰体或胰尾癌病人血清酶活性明显升高,以肝内有继发病灶的胰头癌病人,血清5’-NT活性升高最为显著。原发性乳腺癌患者约有65%血清5’-NT活性升高,在发生全血性广泛转移的病人血清5’-NT活性全部升高。测定血液、体液中的5’-NT及其同工酶水平对某些疾病的诊断、鉴别诊断、治疗及免疫功能的研究越来越受到临床的重视。
目前,文献报道的5’-NT活性的测定方法有钼酸铵反应法、氨量测定法、化学发光法、NADPH测定法、尿素生成法等。这些方法准确性差、灵敏度低、仪器设备要求高、试剂成本高,难于全面推广应用。
鉴于此,本发明在5’-NT催化次黄嘌呤核苷酸水解生成氨和次黄嘌呤核苷反应的基础上,再依次偶联三个酶促反应,建立了一种既能用于手工操作,又能用于自动生化分析仪的四酶偶联测定5’-NT活性的新方法。
发明内容
本发明的目的是提供一种用于检测5’-NT的试剂及使用该试剂检测5’-NT含量的方法。该试剂盒采用四酶偶联法,可以有效检测5’-NT的含量,抗干扰能力强,稳定性好等优点。
基本原理:次黄嘌呤核苷酸在5’-NT作用下,生成次黄嘌呤核苷和磷酸,
5’-NT
次黄嘌呤核苷酸+ H2O
次黄嘌呤核苷 + 磷酸
次黄嘌呤核苷在嘌呤核苷磷酸化酶(PNP)催化下,与磷反应生成次黄嘌呤和核糖1-磷酸
PNP
次黄嘌呤核苷+Pi
次黄嘌呤+核糖1-磷酸
次黄嘌呤在黄嘌呤氧化酶(XOD)催化氧化生成尿酸和H2O2:
XOD
次黄嘌呤+
2H2O+O2 尿酸+2H2O2
再偶联由过氧化物酶催化的反应
POD
2H2O2 + 4-AA + EHSPT
4 H2O+醌染料
通过测定红色醌化合物在550nm处吸光度的变化速率(ΔA/min)可测得5’-NT活性。
本发明是通过以下步骤得到的:
一种5’-NT检酸测试剂,包括试剂R1和试剂R2,所述试剂R1和试剂R2的组成如下:
1)试剂R1的组分为:
缓冲液··········································································100mmol/L
β-甘油磷酸钠····························································6g/L
MgCl2 ··········································································10g/L
Toos·············································································0.5g/L
防腐剂·········································································0.5g/L;
2)试剂R2的组分为:
缓冲液········································································100mmol/L
5’-IMP·········································································11mmol/L
PNP·············································································0.3U/mL
XOD···········································································0.4U/mL
POD············································································0.1U/mL
抗坏血酸氧化酶························································2.7U/mL
EHSPT ····································································4mmol/L
4-AA·············································································4mmol/L;
以上试剂均用pH7.4的磷酸盐缓冲溶液。
以上5’-NT检测试剂,所述防腐剂为NaN3。
注:EHSPT:N-乙基 -N-(2-羟基-3 硫代丙基)-3-甲基苯胺 4-AA:4-氨基氨替吡啉
POD:过氧化物酶。
所述的5’-NT检测试剂来检测5’-NT的检测方法,使用全自动生化分析仪利用速率法进行测定,检测主波长为550nm。
所述的检测方法,R1试剂和R2试剂的比例为2:1。
本发明的有益效果:
1)采用新的缓冲体系和稳定剂,显著改善了试剂的稳定性;
2)采用四酶偶联法,不仅显著改善测定的性能,而且增强了抗干扰能力,适宜批量试样全自动分析;
3)试剂的准确度和稳定性良好,使用方便,完全可以满足临床需要。
附图说明
图1为两种试剂的相关性曲线图,
图2为两种试剂效期稳定性曲线图。
具体实施方式
下面结合具体实施例对本发明进行进一步说明:
实施例
1
5’-NT的检测试剂,包试剂R1和试剂R2:
1)试剂R1的组分为:
缓冲液··········································································100mmol/L
β-甘油磷酸钠····························································12g/L
MgCl2 ··········································································20g/L
Toos·············································································0.5g/L
防腐剂·········································································0.5g/L;
2)试剂R2的组分为:
缓冲液········································································100mmol/L
5’-IMP·········································································11mmol/L
PNP·············································································0.3U/mL
XOD···········································································0.4U/mL
POD············································································0.1U/mL
抗坏血酸氧化酶························································2.7U/mL
EHSPT ·······································································4mmol/L
4-AA·············································································4mmol/L;
3)本实施例试剂的使用方法:
本实施例描述的5’-NT检测试剂,在使用时采用具有双试剂功能的全自动生化分析仪,如日立7180全自动分析仪等,利用速率法进行测定。将R1和R2按照2:1的比例放置到对应的试剂位上,在样品盘的对应位置放置好蒸馏水、标准品和样本,操作如表1:
表1 实施例1试剂检测方法
计算:
5
’
-NT
含量(
U/L
)=(
∆A
测定÷
∆A
标准)×
C
标准。
实施例
2
干扰性试验:取新鲜混合血清,分成2等份,然后将每等份再分成5等份,加入不同的干扰物质,使其在血清中的浓度达到表2的要求。然后分别用实施例1所得试剂,与市场常见并认可的5’-NT试剂同时对比测定血清中5’-NT的含量,对照组测定结果与加入不同干扰物质后各组的测定结果见表2。相对偏差(%)=(干扰样本的测定均值-对照样本的测定均值)/对照样本的测定均值×100%。
由表2可以看出,实施例1试剂在抗坏血酸≤1704μmol/L、胆红素≤684μmol/L、血红蛋白≤10 g/L、甘油三酯≤22.6 mmol/L对测试结果没有明显干扰。而对照组试剂在上述浓度干扰物质存在时,受到明显干扰,这说明实施例1试剂的抗干扰性能远远优于对比试剂。
表
2
实施例
1
试剂抗干扰性能比较
实施例
3
相关性实验:利用实施例1配方配制试剂,与市场常见的国家食品药品监督管理局认可的某公司的5’-NT试剂盒进行对照检测,同时检测了20个临床血清样本,检测结果如表3所示。并获得了两种试剂的相关性曲线(如图1所示),通过检测结果显示,两个试剂盒的相关系数为0.9929,说明了两者有极大的相关性。
表
3
实施例
1
试剂与市场常见并得到认可的
5
’
-NT
测定试剂盒对比检测结果
实施例
4
试剂的稳定性对比试验:对实施例1中的试剂,均匀分装13组,每组的试剂量为R1为20mL,R2为10mL;并且取13组市场常见的国家食品药品监督管理局认可的某公司的5’-NT试剂盒作对照。放置到2-8℃冰箱中,每月的同一天取出一组试剂检测5’-NT质控品,检测结果如图2所示,实施例1试剂在2-8℃储存条件下比市场常见的5’-NT测定试剂盒更加稳定。
通过验证,本试剂与同类检测试剂对比相关性好,临床检测样本结果一致,能够达到市场对产品的应用要求,并且抗干扰性能好,是一种更加稳定、良好的5’-NT检测试剂。
Claims (6)
1. 一种5’-NT检测试剂,其特征在于包括试剂R1和试剂R2,所述试剂R1和试剂R2的组成如下:
1)试剂R1的组分为:
缓冲液··········································································100mmol/L
β-甘油磷酸钠····························································12g/L
MgCl2 ··········································································20g/L
Toos·············································································0.5g/L
防腐剂·········································································0.5g/L;
2)试剂R2的组分为:
缓冲液········································································100mmol/L
5’-IMP·········································································11mmol/L
PNP·············································································0.3U/mL
XOD···········································································0.4U/mL
POD············································································0.1U/mL
抗坏血酸氧化酶························································2.7U/mL
EHSPT······································································4mmol/L
4-AA········································································4mmol/L。
2.根据权利要求1所述的5’-NT检测试剂,其特征在于试剂R1中缓冲液为25℃,pH为7.4的磷酸盐缓冲液。
3.根据权利要求1所述的5’-NT检测试剂,其特征在于试剂R2中缓冲液为25℃,pH为7.4的磷酸盐缓冲液。
4.根据权利要求1所述的5’-NT检测试剂,其特征在于所述防腐剂为NaN3。
5.一种使用权利要求1-4中任一项所述的腺苷脱氨酶检测试剂来检测5’-NT的检测方法,其特征在于使用全自动生化分析仪利用速率法进行测定,检测主波长为550nm。
6.根据权利要求5所述的检测方法,其特征在于R1试剂和R2试剂的比例为2:1。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510943601.0A CN106884034A (zh) | 2015-12-16 | 2015-12-16 | 一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510943601.0A CN106884034A (zh) | 2015-12-16 | 2015-12-16 | 一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106884034A true CN106884034A (zh) | 2017-06-23 |
Family
ID=59174997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510943601.0A Pending CN106884034A (zh) | 2015-12-16 | 2015-12-16 | 一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106884034A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109096269A (zh) * | 2018-09-19 | 2018-12-28 | 南京大学连云港高新技术研究院 | 一种4-氨基安替吡啉衍生物c34h35n4o10的制备方法 |
CN111808918A (zh) * | 2020-07-26 | 2020-10-23 | 武汉景川诊断技术股份有限公司 | 一种测定5`-核甘酸酶的试剂盒 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002369698A (ja) * | 2001-06-14 | 2002-12-24 | Fuji Photo Film Co Ltd | ピロ燐酸定量用試薬及び乾式分析素子 |
CN1693882A (zh) * | 2005-02-06 | 2005-11-09 | 浙江亚克药业有限公司 | 偶联酶促反应测定5'-核苷酸酶的方法和试剂盒 |
CN1760374A (zh) * | 2004-10-11 | 2006-04-19 | 王尔中 | 5'-核苷酸酶活性测定方法及5'-核苷酸酶诊断试剂盒 |
CN102747134A (zh) * | 2012-07-27 | 2012-10-24 | 北京恩济和生物科技有限公司 | 一种5'-核糖核苷酸水解酶检测试剂盒及其制备方法 |
CN104388534A (zh) * | 2014-12-05 | 2015-03-04 | 重庆中元生物技术有限公司 | 一种高灵敏度的检测5’-核苷酸酶的试剂盒 |
CN104764703A (zh) * | 2015-01-09 | 2015-07-08 | 温州市人民医院 | 一种测定次黄苷与次黄苷-5′-单磷酸钠相对含量的方法 |
-
2015
- 2015-12-16 CN CN201510943601.0A patent/CN106884034A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002369698A (ja) * | 2001-06-14 | 2002-12-24 | Fuji Photo Film Co Ltd | ピロ燐酸定量用試薬及び乾式分析素子 |
CN1760374A (zh) * | 2004-10-11 | 2006-04-19 | 王尔中 | 5'-核苷酸酶活性测定方法及5'-核苷酸酶诊断试剂盒 |
CN1693882A (zh) * | 2005-02-06 | 2005-11-09 | 浙江亚克药业有限公司 | 偶联酶促反应测定5'-核苷酸酶的方法和试剂盒 |
CN102747134A (zh) * | 2012-07-27 | 2012-10-24 | 北京恩济和生物科技有限公司 | 一种5'-核糖核苷酸水解酶检测试剂盒及其制备方法 |
CN104388534A (zh) * | 2014-12-05 | 2015-03-04 | 重庆中元生物技术有限公司 | 一种高灵敏度的检测5’-核苷酸酶的试剂盒 |
CN104764703A (zh) * | 2015-01-09 | 2015-07-08 | 温州市人民医院 | 一种测定次黄苷与次黄苷-5′-单磷酸钠相对含量的方法 |
Non-Patent Citations (7)
Title |
---|
周剑涛等: "《基层医院实用临床检验方法》", 30 September 2003, 湖北科学技术出版社 * |
唐中等: "《医学检验项目与临床应用》", 30 September 2012, 四川大学出版社 * |
张秀明等: "《临床生物化学检验质量管理与标准操作程序》", 31 January 2010, 人民军医出版社 * |
徐正琴等: "Trinder反应", 《工企医刊》 * |
晋淑媛: "《临床医师速成手册.临床医学检验》", 30 June 2005, 军事医学科学出版社 * |
潘利琴等: "PNP-XTO-POD偶联单一试剂匀相速率法测定血清5′-NT", 《中国卫生检验杂志》 * |
连国军等: "嘌呤核苷磷酸化酶-黄嘌呤氧化酶-尿酸酶-过氧化物酶偶联双试剂匀相速率法测定血清5’-核苷酸酶", 《中国卫生检验杂志》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109096269A (zh) * | 2018-09-19 | 2018-12-28 | 南京大学连云港高新技术研究院 | 一种4-氨基安替吡啉衍生物c34h35n4o10的制备方法 |
CN111808918A (zh) * | 2020-07-26 | 2020-10-23 | 武汉景川诊断技术股份有限公司 | 一种测定5`-核甘酸酶的试剂盒 |
CN111808918B (zh) * | 2020-07-26 | 2024-01-23 | 武汉景川诊断技术股份有限公司 | 一种测定5`-核甘酸酶的试剂盒 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Ebadi et al. | MICROASSAY OF ADENOSINE‐3′, 5′‐MONOPHOSPHATE (CYCLIC AMP) IN BRAIN AND OTHER TISSUES BY THE LUCIFERIN‐LUCIFERASE SYSTEM 1 | |
CN105420345B (zh) | 一种稳定、抗干扰能力强的血清5’-核糖核苷酸水解酶检测试剂及检测方法 | |
CN104745673A (zh) | 一种稳定的5’-核糖核苷酸水解酶检测试剂盒 | |
CN108949903B (zh) | 一种甘油三酯测定试剂盒及其测定方法 | |
CN104374905A (zh) | 一种血清肌酸激酶检测试剂 | |
CN105238847A (zh) | 一种稳定、抗干扰能力强的腺苷脱氨酶试剂及检测方法 | |
CN104237147B (zh) | 体液中乳糖测定方法 | |
CN104931448B (zh) | 一种乳酸脱氢酶同工酶1的检测试剂及其检测方法 | |
CN106884034A (zh) | 一种稳定、抗干扰能力强的5’-核糖核苷酸水解酶检测试剂及检测方法 | |
CN106868096A (zh) | 一种稳定性强且成本低的己糖激酶法葡萄糖检测试剂 | |
CN109988816A (zh) | 一种腺苷脱氨酶测定试剂盒 | |
CN106119339A (zh) | 一种稳定、抗干扰能力强的血清腺苷脱氨酶检测试剂及检测方法 | |
CN108690868B (zh) | 一种腺苷脱氨酶测定试剂盒及其测定方法 | |
CN107653298A (zh) | 腺苷脱氨酶测定试剂盒 | |
CN102382875B (zh) | 一种适用于吡喃糖氧化酶法测定血清1,5-脱水葡糖醇的高浓度葡萄糖清除方法及试剂盒 | |
CN104774918A (zh) | 基于实时荧光pcr的il28b基因多态性检测试剂盒 | |
CN102586397A (zh) | 酶法检测腺苷脱氨酶试剂盒 | |
CN104374925A (zh) | 一种肌酸激酶同工酶检测试剂 | |
CN106093386A (zh) | 一种测定肌酸激酶同工酶(ck‑mb)的试剂盒 | |
Chrzanowska et al. | Changes in arginase isoenzymes pattern in human hepatocellular carcinoma | |
CN102747134B (zh) | 一种5'-核糖核苷酸水解酶检测试剂盒及其制备方法 | |
CN106967787A (zh) | 一种稳定的5’‑核糖核苷酸水解酶检测试剂盒 | |
Kreis et al. | Phenotypic analysis of 1-B-d-arabinofuranosylcytosine deamination in patients treated with high doses and correlation with response | |
CN107254508A (zh) | 一种h2o2偶联的指示系统检测唾液酸的试剂盒 | |
CN108866153A (zh) | 一种唾液酸测定试剂盒及其测定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170623 |
|
RJ01 | Rejection of invention patent application after publication |