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亲和层析(Affinity chromatography,简称AC)是基于生物分子与其他配基分子之间(如抗原与抗体、酶与底物、激素与受体、核酸中的互补链、多糖与蛋白复合体等)的亲和吸附原理建立和发展起来的。亲和层析是通过介质上的配基与目标分子之间的特异性吸附和解离来实现纯化目标分子的目的,由于这种特异性的作用力,亲和层析具有高度选择性、高活性回收等特点,对分离含量极少又不稳定的生物活性物质极为有效,成为生物制药领域中分离纯化生物活性物质的一种重要方法。
亲和层析原理(上样)
亲和层析原理(洗脱)
&n[查看]
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http://cxbio.com/Article/972_1.html
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1. Sulfonylureas
Glipizide
CASN: 29094-61-9
Formula: C21H27N5O4S
Molecular Weight: 445.54
EINECS: 249-427-6
Gliclazide
CASN: 21187-98-4
Formula: C15H21N3O3S
Molecular Weight: 323.41
EINECS: 244-260-5
?
Glibornuride
CASN: 26944-48-...[查看]
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http://cxbio.com/Article/956_1.html
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离子钙接头蛋白分子1抗体(Anti Iba1, Rabbit), 以合成的的Iba1羧基末端序列为抗原,该序列是人,大鼠和小鼠Iba1蛋白质保守序列。本抗体(免疫组化用)特异性与小胶质细胞/巨噬细胞反应,免疫双重染色与单克隆抗体结合,可与GFAP单克隆抗体((胶质纤维酸性蛋白,Glial Fibrillary Acidic Protein)联合使用对脑组织和细胞培养物进行双重染色。[查看]
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http://cxbio.com/Article/876_1.html
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亮氨酸氨基肽酶(Leucine aminopeptidase, LAP)是一种蛋白分解酶,能水解肽链N端并由亮氨酸与其他氨基酸形成肽键的酶,广泛分布于肝、胰、肾等组织中。当人体肝、胆、胰等组织有病变时,均可出现血清LAP水平升高。测定血清亮氨酸氨基转肽酶可作为肝病诊断的又一项指标,对淤胆性肝炎的鉴别诊断、肝道梗阻及胰腺癌的诊断有价值。其肝癌的检出阳性率较ADA高,比GGT 反映肝脏疾病更加灵敏。亮氨酸氨基肽酶(LAP)的检测也可早期反映肾损害的性质和程度,并为临床鉴别肾小球、肾小管损伤提供可能的帮助;其亦可作为[查看]
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http://cxbio.com/Article/874_1.html
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Seebio 提供葡聚糖系列、硫酸葡聚糖系列、环糊精系列、聚蔗糖系列、透明质酸系列和聚乙二醇系列标准品。
货号
中文名
英文名[查看]
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http://cxbio.com/Article/862_1.html
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Large capacity 大容量离心机 Combi 514R
Angle rotors
...[查看]
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http://cxbio.com/Article/741_1.html
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石墨烯(Graphene)是一种由碳原子以sp2杂化轨道组成六角型呈蜂巢晶格的平面薄膜,只有一个碳原子厚度的二维材料,被认为是平面多环芳香烃原子晶体。石墨烯的问世引起了全世界的研究热潮,它是已知材料中很薄的一种,几乎是透明的,只吸收2.3%的光,质料牢固坚硬,导热系数高达5300 W/m·K,高于碳纳米管和金刚石,常温下其电子迁移率*超过15000 cm2/V·s,又比纳米碳管或硅晶体*高,而电阻率只约10-6 Ω?cm,比铜或银更低,传递电子的速度比已知导体都快,是目前世上电阻率很小的材料,因[查看]
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http://cxbio.com/Article/624_1.html
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MiraBlock is a digital dual block dry heat bath capable of accurate heating at ambient + 5°C to 150°C within 0.5°C variation for samples in the heating block. It is a versatile equipment for many applications in molecular biology, biochemis[查看]
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http://cxbio.com/Article/509_1.html
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MiraGEL is a complete mini electrophoresis system that requires no external power supply. This stand - alone unit performs runs for all applications from 10V to 150V and 10mA to 400mA. It has a microprocessor controlled continuous voltage and amperage progra...[查看]
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http://cxbio.com/Article/507_1.html
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Storage condition: Keep at -20 degrees C.
Summary
This product is for research use only. Do not administer it to human.
Origin: Human muscle cell
Specific activity: 1.4 - 1.6 units/mg
Concentration: 1 units/mL
MW: approx. 36,000
Preparati...[查看]
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http://cxbio.com/Article/492_1.html
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管理规范
ICH 人用药品注册技术要求国际协调会
GSP 药品经营企业管理规范
GMP 药品生产质量管理规范
GLP 药品非临床研究质量管理规范
GAP 中药材生产质量管理规范
GCP 药品临床试验管理规范
GPP 医疗机构制剂配制质量管理...[查看]
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http://cxbio.com/Article/470_1.html
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TFAP是新型的COX-1选择抑制剂,即使投放大药剂给大鼠,依然对胃肠没有什么伤害。同时,TFAP也可抑制血管的新生。[查看]
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http://cxbio.com/Article/469_1.html
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此反应首先由Trinder于1969年提出,故名Trinder反应。其原理为被测物质通过酶作用产生的过氧化氢(H2O2)在4-氨基替比林(4-AAP)、过氧化物酶(POD)的存在下,使色原物质可生成红色醌亚胺化合物。起初使用苯酚作生色剂,后来有许多种化合物替代苯酚,使反应的灵敏度得以显著提高。Trinder反应构成了葡萄糖、胆固醇、甘油三脂及尿酸等酶法测定的基础。[查看]
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http://cxbio.com/Article/434_1.html
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NGAL快速酶联免疫试剂盒 NGAL Rapid ELISA Kit 可以在标准实验室使用常见的酶联免疫设备检测检测尿液、血清或血浆样本[查看]
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http://cxbio.com/Article/NAGL_Rapid_ELISA_KIT_1.html
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从1949年美国College of American Pathologists(简称CAP)首先开始研究临床实验室室内质量控制(简称质控)问题,美国学者Levery和Jenning于1950年发表了一篇关于使用质控图的实验室室内质控,临床检验实验室的室内质控工作正式拉序幕。
到70年代,实验室质量控制进入一个新的阶段--质量管理,推行Good Laboratory Parctice(简称GLP)。进入80年代末期,GLP的统一标准产生了,发展到\"认证实验室\"管理阶段。[查看]
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http://cxbio.com/Article/353_1.html
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1-萘乙酸 1-Naphthaleneacetic acid
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MagCapture(TM)外泌体提取试剂盒PS
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PS Capture外泌体ELISA试剂盒(链霉亲和素HRP)
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PS Capture(TM)外泌体流式试剂盒
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DAPT(β-分泌酶抑制剂)
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APTS Labeled N-Glycans APTS标记N-多糖
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NGAL Rapid ELISA Kit
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Apolipoprotein D Human Elisa 人载脂蛋白 D Elisa Kit
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Apolipoprotein H/ Beta2-GP1 Elisa, 人载脂蛋白 H / Beta2-GP1 Elisa Kit
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Presep(R) Cylinder Adapter
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Presep(R) Cock Adapter Packing
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Presep(R) Column Adapter
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Presep(R) Cylinder Adapter
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Presep(R) Column Adapter Packing
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Presep(R) Cock Adapter
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Presep(R) Column Adapter (TS19/38) (PTFE)
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Presep(R) Column Adapter
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Presep(R) Cock Adapter
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TAPSO;N-三 (羟甲基)甲氨基-2-羟基丙磺酸
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TAPS;N-三 (羟甲基)甲基-3-氨基丙烷磺酸
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Apiosylskimmin
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apiosylskimmin
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4,4-Bis(4-amino-l-naphtylazo)-2,2-stilbenedisulfonic Acid
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4,4- Bis(4-amino-1-naphtylazo)-2,2-stilbenedisulfonic Acid
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2-Hydroxy-l-(2-Hydroxy-4-sulfo-l-naphthylazo) -3-naphthoic Acid
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2-Hydroxy-l-(2-hydroxy-4-sulfo-l-naphthylazo)-3-naphthoic Acid, diluted with Potassium Sulfate
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2-Hydroxy-l-(2-hydroxy-4-sulfo-l-naphthylazo)-3-naphthoic Acid, diluted with Potassium Sulfate
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2-Hydroxy-l-(2-Hydroxy-4-sulfo-l-naphthylazo)-3-naphthoic Acid, Solution in Organic Solvent
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0.2w/v% p- Naphtholbenzein Acetic Acid Solution
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![Sodium 2,2-Dimethyl-2-silapentane-5-sulfonate[DSS] Sodium 2,2-Dimethyl-2-silapentane-5-sulfonate[DSS]](http://www.cxbio.com/skins/default/img/product_no_pic.gif)
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Sodium 2,2-Dimethyl-2-silapentane-5-sulfonate[DSS]
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Polyethylene Cap For NMR Test Tube
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Polyethylene Cap For NMR Test Tube
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Polyethylene Cap For NMR Test Tube
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Polyethylene Cap For NMR Test Tube
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Polyethylene Cap For NMR Test Tube
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Ultrapure Water
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Reference material for thermal conductivity (Isotropic graphite),300K-900K
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Organic Pollutants in Japanese Seabass Tissue
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Single-Crystal of Silicon for Specific Heat CapaClty Measurements(at Cryogenic Temperature)
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Isotropic Graphite for Thermal Diffusivity Measurement
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Decahydronaphthalene(mixture of cis-and trans-)
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Tetrahydronaphthalene
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4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole
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4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole
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Ion Chromatography Cation Standard Magnesium 1mg/ml (1000ppm)
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![4,4'-环己基二[N,N-二(4-甲基苯基)苯胺] TAPC 4,4'-环己基二[N,N-二(4-甲基苯基)苯胺] TAPC](http://www.cxbio.com/UploadFiles/Product/20151023101443_86143.gif)
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4,4'-环己基二[N,N-二(4-甲基苯基)苯胺] TAPC
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![FAPGG(N-[3-(2-呋喃基)丙烯酰]-L-苯丙氨酰-甘氨酰-甘氨酸) FAPGG(N-[3-(2-呋喃基)丙烯酰]-L-苯丙氨酰-甘氨酰-甘氨酸)](http://www.cxbio.com/UploadFiles/Product/20140328153328_40402.gif)
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FAPGG(N-[3-(2-呋喃基)丙烯酰]-L-苯丙氨酰-甘氨酰-甘氨酸)
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4-Aminoantipyrine (4-APP),crystalline powder
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CHAPS,zwitterionic detergent, crystalline powder
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CHAPSO,zwitterionic detergent, crystalline powder
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Diaphorase
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Diaphorase (NADH)
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Diaphorase (NADPH)
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NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
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Endoproteinase Glu-C,from Staphylococcus aureus V8, lyophilizate, salt-free
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Endoproteinase Glu-C, Sequencing Grade,from Staphylococcus aureus V8, lyophilizate
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Papain,from Carica papaya, suspension
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Papain,from Carica papaya, sterile filtered, solution
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萘酚绿B,Naphthol Green B ,19381-50-1
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4-Aminophenyl Phosphate (pAPP),disodium salt,
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邻苯二甲酸二烯丙酯(DAP)
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乙草胺-mercapturate
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异丙甲草胺-mercapturate
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西玛津-mercapturate
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莠去津-mercapturate,100ng/ul 于乙腈
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CYAP标准品
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Alpha-apo-土霉素(药典标准品)
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Beta-apo-土霉素(药典标准品)
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European Pharmacopoeia Reagent Congo Red Paper
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European Pharmacopoeia Reagent Lead acetate paper
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European Pharmacopoeia Reagent Mercuric bromide paper
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European Pharmacopoeia Reagent Naphtolbenzein Solution
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Gabapentin,1.0mg/mL 于甲醇
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Trandolapril impurity C
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Trandolapril impurity D
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Azaperol
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Azaperone D4