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GB 5009.24-2010,NY/T 1664-2008,SN/T 1664-2005,GB/T 8381-2008,SN 0637-1997
HPLC法具有灵敏度和准确度高、方法重现性好等优点,现已成为黄曲霉毒素分析的主要手段。HPLC法测定黄曲霉毒素,一般使用灵敏度和选择性较好的荧光检测器。但由于黄曲霉毒素的荧光强度会受溶剂影响,正相色谱中,B1和B2的荧光强度仅稍低一点,不需衍生化;而在常用的反相色谱中,B1和G1两种异构体荧光强度很弱,需进行衍生化,提高其荧光强度,灵敏度才能满足一般食品法规的限量[查看]
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http://www.cxbio.com/Article/409_1.html
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诊断试剂系列新品原料推荐
1、酶法检测糖化血红蛋白
糖化血红蛋白(HbA1c)是目前糖尿病(DM)实验诊断方法中常用的血糖监控指标,它主要反映患者近2~3个月血糖控制的总体水平,自上世纪70年代以来已广泛的应用于DM诊疗的各个方面。糖化血红蛋白的临床实验室检测方法则已从起初的电泳法、色谱法等发展到如今的免疫比浊法、化学发光法和酶法。近两年应用酶法测定糖化血红蛋白在各实验室相继展开,直接酶法具有良好精密度及准确度,不易受其他因素干扰,结果准确可靠,方法简便易行。
检测原理:特殊蛋白酶分解血红蛋白(Hemogl[查看]
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http://www.cxbio.com/Article/408_1.html
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修饰性PEG又叫修饰性聚乙二醇,是经过化学修饰基团或者生物活性基团修饰的PEG。在药物开发研究中,为了增加蛋白或多肽药物在体内半衰期,降低免疫原性,同时增加药物的水溶性,将活化的聚乙二醇通过化学方法偶联到蛋白、多肽、小分子有机药物和脂质体上。药物经PEG修饰后,往往会具有以下优点:1、更长的半衰期2、较低的最大血药浓度3、血药浓度波动较小4、较少的酶降解作用5、较少的免疫原性及抗原性6、较小的毒性7、更好的溶解性8、用药频率减少9、提高病人的依从性,提高生活质量,降低治疗费用9、脂质体对肿瘤有更强的被动靶向作用。[查看]
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http://www.cxbio.com/Article/377_1.html
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ELISA试验以灵敏度较高、特异性较好的特点在临床上得到了广泛的应用,但操作中的各个环节对试验的检测效果影响较大,如不注意,有可能导致显色不全、花板等结果。我将操作中各个环节常出现问题的原因及解决办法总结于下,以期给同行带来一些启发,提高试验质量。
下面分析Elisa试验操作中可能影响结果的原因,并给出相应的解决办法:
1 选择试剂选择质量优良的检测试剂,严格按照试剂说明书进行操作,操作前将试剂在室温下平衡30-60分钟。
2 加样可能原因:1)血清或血浆标本分离不好即进行加样;2)手工操作中,加样板过多造成[查看]
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http://www.cxbio.com/Article/357_1.html
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免疫印记(WB)常见问题解答
1. 什么是western blot?
2. western blot 有什么优点?
3. western blot 的具体步骤是什么?
4. western blot 所需buffer 的配方是什么?
5. western blot 常见问题有那些?[查看]
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http://www.cxbio.com/Article/Western_Blot_FAQ_1.html
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[查看]
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http://www.cxbio.com/Article/335_1.html
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一、目的和要求
1、 了解固定化酶及微生物细胞固定化的原理及其优缺点。
2、 掌握固定化细胞中基本、常用的方法。
3、 学会利用固定化酿酒酵母细胞进行酒精发酵。
二、原理
人们利用微生物进行发酵生产的主要目的在于利用微生物的固有酶系进行各种相关的酶促反应。当考虑到微生物细胞可将各种酶再生,并且酶在细胞内比提取出来后的稳定性更高的特点,科学家们开始了从酶的固定化研究进入了微生物细胞固定化的研究历程。
固定化酶和固定化细胞的原理是将酶或微生物细胞利用物理、化学方法,将酶或[查看]
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http://www.cxbio.com/Article/315_1.html
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基因工程在工业上的应用
微生物发酵生产法具有许多优越性,结合基因工程手段,可实现许多美好的设想。例如,目前用100 kg胰脏只能提取3~4 g胰岛素,而用“工程菌”进行发酵生产,则只要用几升发酵液就可取得同样数量的产品。1978年美国有两个实验室合作,使大肠杆菌产生大白鼠胰岛素的研究已获成功。接着,又报道了通过基因工程使大肠杆菌合成人胰岛素实验成功的消息。1982年,我国科学工作者也利用遗传工程技术,将人工合成的脑啡肽基因移植到大肠杆菌中,[查看]
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http://www.cxbio.com/Article/311_1.html
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1 科学研究:药物研究开发与基础研究
药物研究与开发
(1) 新药筛选:如化学合成药物药效研究,中药有效成分筛选与鉴定等.
(2) 疫苗研究与开发:如病毒性疫苗的研究与开发(肝炎病毒疫苗,艾滋病疫苗等),肿瘤疫苗(多肽疫苗)等.
(3) 基因工程药物研究与开发:如干扰素研究与开发,细胞生长因子研究与开发等.
(4) 细胞工程药物研究与开发:生物活性多肽研究与开发,人参皂甙,紫杉醇等生物活性成分研究与开发.
(5) 单克隆抗体制备:包括诊断用单克隆抗体,治疗用单克隆抗体.
基础研究
([查看]
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http://www.cxbio.com/Article/309_1.html
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1 冷冻管应如何解冻?
取出冷冻管后, 须立即放入37 °C 水槽中快速解冻, 轻摇冷冻管使其在1 分钟内全部融化, 并注意水面不可超过冷冻管盖沿, 否则易发生污染情形。另冷冻管由液氮桶中取出解冻时, 必须注意安全, 预防冷冻管之爆裂。
2 细胞冷冻管解冻培养时, 是否应马上去除DMSO?
除少数特别注明对DMSO 敏感之细胞外, 绝大部分细胞株(包括悬浮性细胞), 在解冻之后, 应直接放入含有10-15ml新鲜培养基之培养角瓶中, 待隔天再置换新鲜培养基以去除DMSO 即可, 如此可避免大[查看]
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http://www.cxbio.com/Article/307_1.html
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培养细胞的完全培养基由基础培养基(如MEM)和添加剂(如血清或无血清培养用的某些确定的激素及生长因子)组成,培养基的配方一直在改进,其中包括抗生素和抗有丝分裂剂等等。
一、基础培养基
绝大多数培养基是建立在平衡盐溶液(BSS)基础上,添加了氨基酸、维生素和其它与血清中浓度相似的营养物质。广泛应用的培养基是Eearle`s MEM 的混合物,其中含有13种必须氨基酸、8种维生素。而Ham`s F12[查看]
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http://www.cxbio.com/Article/306_1.html
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实用哺乳动物细胞培养手册
细胞培养基本概念
细胞培养是指从体内组织取出细胞在体外模拟体内环境下,使其生长繁殖,并维持其结构和功能的一种培养技术。细胞培养的培养物可以是单个细胞,也可以是细胞群。
细胞培养目的与用途
1、科学研究:药物研究开发与基础研究
药物研究与开发
(1) 新药筛选:如化学合成药物药效研究、中药有效成分筛选与鉴定等。
(2) 疫苗研究与开发:如病毒性疫苗的研究与开发(肝炎病毒疫苗、艾滋病疫苗等)、肿瘤疫苗(多肽疫苗)等。
(3) 基因工程药物研究与开发:如干扰素研究与开[查看]
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http://www.cxbio.com/Article/305_1.html
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西宝生物科技(上海)股份有限公司(前身厦门金铂铱科技有限公司,成立于1999年),于2003年在上海成立,并已取得“西宝”注册商标。公司有国际和国内业务,国内业务专注于为临床诊断试剂,疫苗等生物制品生产企业提供生产用原料和试剂,同时提供生命科学领域用试剂,耗材,仪器等。[查看]
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http://www.cxbio.com/Article/300_1.html
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西宝生物科技(上海)股份有限公司(前身API Inc.成立于1999年),于2003年迁至上海更名成立,并已取得“西宝”注册商标。公司开展有进出口和国内业务,国内业务专注于诊断试剂、疫苗等生产企业提供生产原料和试剂,同时提供生命科学领域的试剂、仪器、耗材等。
在迎龙年之际,诊断试剂生产原料、试剂、酶等火热促销中,国内现货
货号
品名
促销价
大包装
纯度/备[查看]
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http://www.cxbio.com/Article/299_1.html
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2003西宝生物乌镇一日游[查看]
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http://www.cxbio.com/Article/2003nwzyry_1.html
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Blood group H antigen pentaose type 1-Nacetyl-Spacer 3-Biotin
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Gb5-N-Acetyl-spacer 3-Biotin
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Labnet Orbit 300多功能数字螺旋混合仪, S2030-300-B-230V
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人三叶肽3 , Trefoil Factor 3 Human ELISA
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抗聚乙二醇单克隆抗体 3F12-1
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葡聚糖 3
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N'-Nitrosopentyl-( 3-picolyl)amine
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Hydrochloric Acid 3N 3M
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Hydrochloric Acid 3.57N 3.57M
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Hydrochloric Acid 3.57N 3.57M
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Hydrochloric Acid 3.57N 3.57M
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Potassium Iodide 3.0N 3.0M
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Potassium Iodide 3.0N 3.0M
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Sodium Hydroxide 3.0N 3.0M
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Sodium Hydroxide 3.0N 3.0M
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Sodium Hydroxide 3.57N 3.57M
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Sodium Hydroxide 3.57N 3.57M
-
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Sodium Hydroxide 3.57N 3.57M
-
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Sulphuric Acid 3.0M (6.0N)
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Conductivity Standard 3 MicrosiemeuS/cm @25℃
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Conductivity Standard 300 MicrosiemeuS/cm @25℃
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Conductivity Standard 300,000 MicrosiemeuS/cm @25℃
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Conductivity Standard 3000 MicrosiemeuS/cm @25℃
-
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Conductivity Standard 350,000 MicrosiemeuS/cm @25℃
-
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Conductivity Standard 3000 microsiemeuS/cm @25℃
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IPA 30% w/v (Isopropanol in Water)
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70% w/v IPA / 30% H2O -Trigger spray 500mL bottle
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70% w/v IPA / 30% H2O
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Aquamicron(R) Titrant SS 3mg (Karl Fischer Reagent SS)
-
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Aquamicron(R) Titrant SS-Z 3mg (Karl Fischer Reagent SS-Z)
-
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Total Base Number TBN Standard: 3.0 mg/g KOH
-
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Total Base Number TBN Standard: 30 mg/g KOH
-
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2-(4-Carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl 3-Oxyde,Sodium Salt (Carboxy-PTIO)
-
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Tellurium in 30% HCl (Teflon) 10,000ug/mL
-
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Calibration Standard 3 Elements in 2% HNO3 tr. F-
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Calibration Standard 3 Elements in HCl
-
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Calibration Standard 3 Elements according to Test Method 200.7
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Interference Standard 3 Elements in 20% HCl
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Internal Standard Mix 3 in 7% HNO3
-
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Tuning Standard 33 Elements in 20% HCl tr. HF
-
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Tuning Standard 3 Elements in 1% HNO3 0.5% HCl
-
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ICP Multi-Element Standard, 3 Elements
-
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Carbdon Dioxide Std CO2 STANDARD 3g/l (2ml ampoules)
-
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Silver, Small Granular, 425 - 850um(20 - 35mesh)
-
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Barium 3,000ppm
-
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Validation Kit for Wet Chemistry TOC contains 3 x blanks, 2 x 0.5mg/L C NIST KHP,1mg/L NIST KHP.
-
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TOC/TIC Calibration Set 3 point Carbon Verification Set
-
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TOC Standard Set (4 x USP System Suitability Sets Delivered at 3 monthly intervals)
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TOC Total Organic Carbon Standard 30ppm
-
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TOC/TIC Mixed Standard 30mg/l Organic Carbon, 8mg/l Inorganic Carbon
-
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Multianion Standard Solution 3
-
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Fe-Cr alloy Reference Material Set (Cr 5%, 15%, 20%, 30%, 40% )
-
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Density Standard 3.114ug/mL @15°C
-
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Density Standard 3.109ug/mL @20℃
-
-
Density Standard 3.104ug/mL @25℃
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-
Density Standard 3.085ug/mL @40°C
-
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Density Standard 3.072ug/mL @50°C
-
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Sucrose (Brix) Standard 30% ICUMSA
-
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Sucrose (Brix) Standard Stabilised 30%-1.381149
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Sucrose (Brix) Standard Stabilised 30%-1.381149
-
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Sucrose (Brix) Standard 35% ICUMSA
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Sucrose (Brix) Standard Stabilised 35%-1.390322
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Sucrose (Brix) Standard Stabilised 35%-1.390322
-
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Osmolality Standard 300mOsm/Kg H2O
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Osmolality Standard 3000mOsm/Kg H2O
-
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Osmolality Standard Protein Based 320mOsm/Kg H2O
-
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Osmolality Standard Urine Based 300mOsm/Kg H2O
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n-Octadecyl 3-(3',5'-Di-t-butyl-4'-hydroxyphenyl)propionate Standard
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CSK Standard Solution Silicate (contains 3.05% NaCl)
-
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CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
-
-
CSK Standard Solution Silicate (contains 3.05% NaCl)
-
-
CSK Standard Solution Silicate (contains 3.05% NaCl)
-
-
CSK Standard Solution nitrate (contains 3.05% NaCl)
-
-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
-
-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
-
-
CSK Standard Solution Silicate (contains 3.05% NaCl)
-
-
CSK Standard Solution nitrate (contains 3.05% NaCl)
-
-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
-
-
CSK Standard Solution Silicate (contains 3.05% NaCl)
-
-
CSK Standard Solution nitrate (contains 3.05% NaCl)
-
-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
-
-
CSK Standard Solution Silicate (contains 3.05% NaCl)
-
-
CSK Standard Solution nitrate (contains 3.05% NaCl)
-
-
CSK Standard Solution nitrate (contains 3.05% NaCl)
-
-
Mobile Phase Buffer pH 3 - Monobasic Potassium Phosphate
-
-
Mobile Phase Buffer pH 3 - Monobasic Potassium Phosphate
-
-
Mobile Phase Buffer pH 3.5 - Monobasic Sodium Phosphate
-
-
Mobile Phase Buffer pH 3.5 - Monobasic Sodium Phosphate
-
-
Acid Content High Acid Range 3.0M to 10M
-
-
Base Content Medium Base Range 1.0M to 3.0M
-
-
Brix Medium Sucrose (Brix) Range 20% to 34%
-
-
Brix High Sucrose (Brix) Range 35% to 60%
-
-
Osmolality Low Osmolality Range 50mOsm/kg to 350mOsm/kg
-
-
Osmolality Medium Osmolality Range 351mOsm/kg to 999mOsm/kg
-
-
Osmolality High Osmolality Range 1,000mOsm/kg to 3,000mOsm/kg
-
-
Ammonium Phosphate 30% w/v
-
-
Hydrogen Peroxide 3% w/v
-
-
Hydrogen Peroxide 3% w/v
-
-
Potassium Iodide solution 30% w/v
-
-
Boric Acid 3.3% Solution
-
-
Kjeldahl Reagent 30% w/w (40% w/v) Sodium Hydroxide
-
-
Kjeldahl Reagent 30% w/w (40% w/v) Sodium Hydroxide
-
-
Pigment Violet 3
-
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葡聚糖D-3 (mw 3000) , Dextran 3 (货号:124003)
-
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葡聚糖D-5 (mw 5000) , Dextran 3 (货号:124005)
-
-
3,5-二氯-2-羟基苯磺酸钠|54970-72-8|DHBS|Sodium 3,5-chloro-6-hydroxybenzenesulfonate
-
-
Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
-
-
Protocatechuate 3,4-dioxygenase
-
-
Cholesterol Esterase Amano 3
-
-
Lactate Dehydrogenase Amano 3
-
-
Malate Dehydrogenase Amano 3
-
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鲁米诺 3-氨基邻苯二甲酰肼
-
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3,5-二氯-2-羟基苯磺酸钠 | Sodium 3,5-chloro-6-hydroxybenzenesulfonate | 54970-72-8
-
-
异硫氰酸荧光素酯, 5-FITC 5-Isothiocyanato fluorescein, CAS号 3326-32-7
-
-
荧光胺, Fluorescamine, CAS号 38183-12-9
-
-
伊文思蓝, Evans Blue,CAS号 314-13-6
-
-
丽春红 2R, Ponceau 2R, 3761-53-3
-
-
Bilirubin Oxidase Amano 3
-
-
Ascorbate Oxidase Amano 3
-
-
Peroxidase Amano 3
-
-
氯苯混标 (地表水混标MIX 3)
-
-
高效异丙甲草胺 CGA 357704
-
-
高效异丙甲草胺 CGA 368208
-
-
高效异丙甲草胺 CGA 37735
-
-
乙醇(995) 300
-
-
乙醇<99,5) 300
-
-
农药混标 32
-
-
农药混标 34
-
-
有机氯杀虫剂混标 3
-
-
农药混标 32
-
-
农药混标 34
-
-
农药混标 36
-
-
农药混标 323
-
-
含氯农药混标 3
-
-
有机氯杀虫剂混标 3
-
-
USP Solution Acetate Buffer TS Conforms to USP 34
-
-
USP Solution Acetate Buffer TS Conforms to USP 34
-
-
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
-
-
USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
-
-
USP Solution Acetic Acid-Ammonium Acetate Buffer TS Conforms to USP 34
-
-
USP Solution Acetic Acid-Ammonium Acetate Buffer TS Conforms to USP 34
-
-
USP Solution Ammonia-Ammonium Chloride Buffer TS Conforms to USP 34
-
-
USP Solution Ammonia-Ammonium Chloride Buffer TS Conforms to USP 34
-
-
USP Solution Ammoniacal Potassium Ferricyanide TS Conforms to USP 34
-
-
USP Solution Ammoniacal Potassium Ferricyanide TS Conforms to USP 34
-
-
USP Solution Ammonium Carbonate TS Conforms to USP 34
-
-
USP Solution Ammonium Carbonate TS Conforms to USP 34
-
-
USP Solution Ammonium Chloride TS Conforms to USP 34
-
-
USP Solution Ammonium Chloride TS Conforms to USP 34
-
-
USP Solution Ammonium Chloride-Ammonium Hydroxide TS Conforms to USP 34
-
-
USP Solution Ammonium Chloride-Ammonium Hydroxide TS Conforms to USP 34
-
-
USP Solution Ammonium Thiocyanate TS Conforms to USP 34
-
-
USP Solution Ammonium Thiocyanate TS Conforms to USP 34
-
-
USP Solution Barium Chloride TS/RS Conforms to USP 34
-
-
USP Solution Barium Chloride TS/RS Conforms to USP 34
-
-
USP Solution Barium Nitrate TS Conforms to USP 34
-
-
USP Solution Barium Nitrate TS Conforms to USP 34
-
-
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
-
-
USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
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USP Solution Bromocresol Green TS Conforms to USP 34
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USP Solution Bromocresol Green TS Conforms to USP 34
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USP Solution Bromocresol Purple TS Conforms to USP 34
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USP Solution Bromocresol Purple TS Conforms to USP 34
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USP Solution Bromophenol Blue TS Conforms to USP 34
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USP Solution Bromophenol Blue TS Conforms to USP 34
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USP Solution Bromothymol Blue TS Conforms to USP 34
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USP Solution Bromothymol Blue TS Conforms to USP 34
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USP Solution Calcium Sulfate TS Conforms to USP 34
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USP Solution Calcium Sulfate TS Conforms to USP 34
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USP Solution Congo Red TS Conforms to USP 34
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USP Solution Congo Red TS Conforms to USP 34
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USP Solution Cupric Acetate TS Conforms to USP 34
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USP Solution Cupric Acetate TS Conforms to USP 34
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USP Solution Cupric Citrate TS Conforms to USP 34
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USP Solution Cupric Citrate TS Conforms to USP 34
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USP Solution Cupric Sulfate TS Conforms to USP 34
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USP Solution Cupric Sulfate TS Conforms to USP 34
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USP Solution Dichlorofluorescein TS Conforms to USP 34
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USP Solution Dichlorofluorescein TS Conforms to USP 34
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USP Solution Edetate DiSodium TS Conforms to USP 34
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USP Solution Edetate DiSodium TS Conforms to USP 34
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USP Solution Ferric Ammonium Sulfate TS Conforms to USP 34
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USP Solution Ferric Ammonium Sulfate TS Conforms to USP 34
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USP Solution Ferric Chloride TS Conforms to USP 34
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USP Solution Ferric Chloride TS Conforms to USP 34
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USP Solution Glycerin Base TS Conforms to USP 34
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USP Solution Glycerin Base TS Conforms to USP 34
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USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
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USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
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USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
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USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
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USP Solution Lead Acetate TS Conforms to USP 34
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USP Solution Lead Acetate TS Conforms to USP 34
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USP Solution Mercuric Chloride TS Conforms to USP 34
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USP Solution Mercuric Chloride TS Conforms to USP 34
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USP Solution Methyl Orange Indicator Conforms to USP 36
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USP Solution Methyl Orange Indicator Conforms to USP 34
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USP Solution Methyl Red TS 2 Conforms to USP 34
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USP Solution Methyl Red TS 2 Conforms to USP 34
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USP Solution Methyl Red-Methylene Blue Soln Conforms to USP 34
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USP Solution Methyl Red-Methylene Blue Soln Conforms to USP 34
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USP Solution Methylene Blue TS Conforms to USP 34
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USP Solution Methylene Blue TS Conforms to USP 34
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USP Solution Neutral Red TS Conforms to USP 34
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USP Solution Neutral Red TS Conforms to USP 34
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USP Solution Oxalic Acid TS Conforms to USP 34
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USP Solution Oxalic Acid TS Conforms to USP 34
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USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
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USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34
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USP Solution Phenol Red TS Conforms to USP 34
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USP Solution Phenol Red TS Conforms to USP 34
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USP Solution Phenolphthalein TS/RS Conforms to USP 34
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USP Solution Phenolphthalein TS/RS Conforms to USP 34
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USP Solution Phloroglucinol TS Conforms to USP 34
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USP Solution Phloroglucinol TS Conforms to USP 34
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USP Solution Phosphotungstic Acid TS Conforms to USP 34
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USP Solution Phosphotungstic Acid TS Conforms to USP 34
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USP Solution Potassium Acetate TS Conforms to USP 34
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USP Solution Potassium Acetate TS Conforms to USP 34
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USP Solution Potassium Carbonate TS Conforms to USP 34
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USP Solution Potassium Carbonate TS Conforms to USP 34
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USP Solution Potassium Iodide TS Conforms to USP 34
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USP Solution Potassium Iodide TS Conforms to USP 34
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USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
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USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34
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USP Solution Potassium Sulfate TS Conforms to USP 34
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USP Solution Potassium Sulfate TS Conforms to USP 34
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USP Solution Resorcinol TS Conforms to USP 34
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USP Solution Resorcinol TS Conforms to USP 34
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USP Solution Silver Nitrate 0.100 Normal Conforms to USP 34
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USP Solution Silver Nitrate 0.100 Normal Conforms to USP 36
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USP Solution Sodium Acetate TS Conforms to USP 34
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USP Solution Sodium Acetate TS Conforms to USP 34
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USP Solution Sodium Chloride Conforms to USP 34
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USP Solution Sodium Chloride Conforms to USP 34
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USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
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USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34
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USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
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USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34
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USP Solution Sulfanilic Acid TS Conforms to USP 34
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USP Solution Sulfanilic Acid TS Conforms to USP 34
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USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
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USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34
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USP Solution Thymol Blue TS/RS Conforms to USP 34
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USP Solution Thymol Blue TS/RS Conforms to USP 36
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USP Solution Zinc Sulfate 0.0500 Molar Conforms to USP 34
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USP Solution Zinc Sulfate 0.0500 Molar Conforms to USP 34
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USP Solution Diluted Alcohol (50/50 Alcohol Water) Conforms to USP 34
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USP Solution Diluted Alcohol (50/50 Alcohol Water) Conforms to USP 34
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USP Solution Ammonia (Ammonium Hydroxide) TS Conforms to USP 34
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USP Solution Ammonia (Ammonium Hydroxide) TS Conforms to USP 34
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USP Solution Methyl Red TS Conforms to USP 34
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USP Solution Methyl Red TS Conforms to USP 34
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European Pharmacopoeia Reagent 3M Hydrochloric Acid
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European Pharmacopeoia Phosphate Buffer Solution pH 3.5
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Androsterone 3-acetate,certified