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[查看]
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一、目的和要求
1、 了解固定化酶及微生物細(xì)胞固定化的原理及其優(yōu)缺點。
2、 掌握固定化細(xì)胞中基本、常用的方法。
3、 學(xué)會利用固定化釀酒酵母細(xì)胞進行酒精發(fā)酵。
二、原理
人們利用微生物進行發(fā)酵生產(chǎn)的主要目的在于利用微生物的固有酶系進行各種相關(guān)的酶促反應(yīng)。當(dāng)考慮到微生物細(xì)胞可將各種酶再生,并且酶在細(xì)胞內(nèi)比提取出來后的穩(wěn)定性更高的特點,科學(xué)家們開始了從酶的固定化研究進入了微生物細(xì)胞固定化的研究歷程。
固定化酶和固定化細(xì)胞的原理是將酶或微生物細(xì)胞利用物理、化學(xué)方法,將酶或[查看]
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基因工程在工業(yè)上的應(yīng)用
微生物發(fā)酵生產(chǎn)法具有許多優(yōu)越性,結(jié)合基因工程手段,可實現(xiàn)許多美好的設(shè)想。例如,目前用100 kg胰臟只能提取3~4 g胰島素,而用“工程菌”進行發(fā)酵生產(chǎn),則只要用幾升發(fā)酵液就可取得同樣數(shù)量的產(chǎn)品。1978年美國有兩個實驗室合作,使大腸桿菌產(chǎn)生大白鼠胰島素的研究已獲成功。接著,又報道了通過基因工程使大腸桿菌合成人胰島素實驗成功的消息。1982年,我國科學(xué)工作者也利用遺傳工程技術(shù),將人工合成的腦啡肽基因移植到大腸桿菌中,[查看]
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http://m.baichuan365.com/Article/311_1.html
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1 科學(xué)研究:藥物研究開發(fā)與基礎(chǔ)研究
藥物研究與開發(fā)
(1) 新藥篩選:如化學(xué)合成藥物藥效研究,中藥有效成分篩選與鑒定等.
(2) 疫苗研究與開發(fā):如病毒性疫苗的研究與開發(fā)(肝炎病毒疫苗,艾滋病疫苗等),腫瘤疫苗(多肽疫苗)等.
(3) 基因工程藥物研究與開發(fā):如干擾素研究與開發(fā),細(xì)胞生長因子研究與開發(fā)等.
(4) 細(xì)胞工程藥物研究與開發(fā):生物活性多肽研究與開發(fā),人參皂甙,紫杉醇等生物活性成分研究與開發(fā).
(5) 單克隆抗體制備:包括診斷用單克隆抗體,
基礎(chǔ)研究
([查看]
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1 冷凍管應(yīng)如何解凍?
取出冷凍管后, 須立即放入37 °C 水槽中快速解凍, 輕搖冷凍管使其在1 分鐘內(nèi)全部融化, 并注意水面不可超過冷凍管蓋沿, 否則易發(fā)生污染情形。另冷凍管由液氮桶中取出解凍時, 必須注意安全, 預(yù)防冷凍管之爆裂。
2 細(xì)胞冷凍管解凍培養(yǎng)時, 是否應(yīng)馬上去除DMSO?
除少數(shù)特別注明對DMSO 敏感之細(xì)胞外, 絕大部分細(xì)胞株(包括懸浮性細(xì)胞), 在解凍之后, 應(yīng)直接放入含有10-15ml新鮮培養(yǎng)基之培養(yǎng)角瓶中, 待隔天再置換新鮮培養(yǎng)基以去除DMSO 即可, 如此可避免大[查看]
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http://m.baichuan365.com/Article/307_1.html
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培養(yǎng)細(xì)胞的完全培養(yǎng)基由基礎(chǔ)培養(yǎng)基(如MEM)和添加劑(如血清或無血清培養(yǎng)用的某些確定的激素及生長因子)組成,培養(yǎng)基的配方一直在改進,其中包括抗生素和抗有絲分裂劑等等。
一、基礎(chǔ)培養(yǎng)基
絕大多數(shù)培養(yǎng)基是建立在平衡鹽溶液(BSS)基礎(chǔ)上,添加了氨基酸、維生素和其它與血清中濃度相似的營養(yǎng)物質(zhì)。廣泛應(yīng)用的培養(yǎng)基是Eearle`s MEM 的混合物,其中含有13種必須氨基酸、8種維生素。而Ham`s F12[查看]
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實用哺乳動物細(xì)胞培養(yǎng)手冊
細(xì)胞培養(yǎng)基本概念
細(xì)胞培養(yǎng)是指從體內(nèi)組織取出細(xì)胞在體外模擬體內(nèi)環(huán)境下,使其生長繁殖,并維持其結(jié)構(gòu)和功能的一種培養(yǎng)技術(shù)。細(xì)胞培養(yǎng)的培養(yǎng)物可以是單個細(xì)胞,也可以是細(xì)胞群。
細(xì)胞培養(yǎng)目的與用途
1、科學(xué)研究:藥物研究開發(fā)與基礎(chǔ)研究
藥物研究與開發(fā)
(1) 新藥篩選:如化學(xué)合成藥物藥效研究、中藥有效成分篩選與鑒定等。
(2) 疫苗研究與開發(fā):如病毒性疫苗的研究與開發(fā)(肝炎病毒疫苗、艾滋病疫苗等)、腫瘤疫苗(多肽疫苗)等。
(3) 基因工程藥物研究與開發(fā):如干擾素研究與開[查看]
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http://m.baichuan365.com/Article/305_1.html
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西寶生物科技(上海)股份有限公司(前身廈門金鉑銥科技有限公司,成立于1999年),于2003年在上海成立,并已取得“西寶”注冊商標(biāo)。公司有國際和國內(nèi)業(yè)務(wù),國內(nèi)業(yè)務(wù)專注于為臨床診斷試劑,疫苗等生物制品生產(chǎn)企業(yè)提供生產(chǎn)用原料和試劑,同時提供生命科學(xué)領(lǐng)域用試劑,耗材,儀器等。[查看]
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http://m.baichuan365.com/Article/300_1.html
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西寶生物科技(上海)股份有限公司(前身API Inc.成立于1999年),于2003年遷至上海更名成立,并已取得“西寶”注冊商標(biāo)。公司開展有進出口和國內(nèi)業(yè)務(wù),國內(nèi)業(yè)務(wù)專注于診斷試劑、疫苗等生產(chǎn)企業(yè)提供生產(chǎn)原料和試劑,同時提供生命科學(xué)領(lǐng)域的試劑、儀器、耗材等。
在迎龍年之際,診斷試劑生產(chǎn)原料、試劑、酶等火熱促銷中,國內(nèi)現(xiàn)貨
貨號
品名
促銷價
大包裝
純度/備[查看]
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http://m.baichuan365.com/Article/299_1.html
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2003西寶生物烏鎮(zhèn)一日游[查看]
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http://m.baichuan365.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多功能數(shù)字螺旋混合儀, S2030-300-B-230V
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人三葉肽3 , Trefoil Factor 3 Human ELISA
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抗聚乙二醇單克隆抗體 3F12-1
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葡聚糖 3
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N'-Nitrosopentyl-( 3-picolyl)amine
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Potassium Iodide 3.0N 3.0M
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Potassium Iodide 3.0N 3.0M
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-
Conductivity Standard 3 MicrosiemeuS/cm @25℃
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Conductivity Standard 300 MicrosiemeuS/cm @25℃
-

-
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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Aquamicron(R) Titrant SS 3mg (Karl Fischer Reagent SS)
-

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Aquamicron(R) Titrant SS-Z 3mg (Karl Fischer Reagent SS-Z)
-

-
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)
-

-
Tellurium in 30% HCl (Teflon) 10,000ug/mL
-

-
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 3 Elements in 1% HNO3 0.5% HCl
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ICP Multi-Element Standard, 3 Elements
-

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Silver, Small Granular, 425 - 850um(20 - 35mesh)
-

-
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℃
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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
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-
CSK Standard Solution Silicate (contains 3.05% NaCl)
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-
CSK Standard Solution Silicate (contains 3.05% NaCl)
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-
CSK Standard Solution nitrate (contains 3.05% NaCl)
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-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
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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 nitrate (contains 3.05% NaCl)
-

-
CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l
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-
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)
-

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CSK Standard Solution nitrate (contains 3.05% NaCl)
-

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CSK Standard Solution nitrate (contains 3.05% NaCl)
-

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Mobile Phase Buffer pH 3 - Monobasic Potassium Phosphate
-

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Mobile Phase Buffer pH 3 - Monobasic Potassium Phosphate
-

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Mobile Phase Buffer pH 3.5 - Monobasic Sodium Phosphate
-

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Mobile Phase Buffer pH 3.5 - Monobasic Sodium Phosphate
-

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Acid Content High Acid Range 3.0M to 10M
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Base Content Medium Base Range 1.0M to 3.0M
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Brix Medium Sucrose (Brix) Range 20% to 34%
-

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Brix High Sucrose (Brix) Range 35% to 60%
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Osmolality Low Osmolality Range 50mOsm/kg to 350mOsm/kg
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Osmolality Medium Osmolality Range 351mOsm/kg to 999mOsm/kg
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Osmolality High Osmolality Range 1,000mOsm/kg to 3,000mOsm/kg
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Ammonium Phosphate 30% w/v
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Hydrogen Peroxide 3% w/v
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Hydrogen Peroxide 3% w/v
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Potassium Iodide solution 30% w/v
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Boric Acid 3.3% Solution
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Kjeldahl Reagent 30% w/w (40% w/v) Sodium Hydroxide
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Kjeldahl Reagent 30% w/w (40% w/v) Sodium Hydroxide
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Pigment Violet 3
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葡聚糖D-3 (mw 3000) , Dextran 3 (貨號:124003)
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葡聚糖D-5 (mw 5000) , Dextran 3 (貨號:124005)
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3,5-二氯-2-羥基苯磺酸鈉|54970-72-8|DHBS|Sodium 3,5-chloro-6-hydroxybenzenesulfonate
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Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
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Protocatechuate 3,4-dioxygenase
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Cholesterol Esterase Amano 3
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Lactate Dehydrogenase Amano 3
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Malate Dehydrogenase Amano 3
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魯米諾 3-氨基鄰苯二甲酰肼
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3,5-二氯-2-羥基苯磺酸鈉 | Sodium 3,5-chloro-6-hydroxybenzenesulfonate | 54970-72-8
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異硫氰酸熒光素酯, 5-FITC 5-Isothiocyanato fluorescein, CAS號 3326-32-7
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熒光胺, Fluorescamine, CAS號 38183-12-9
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伊文思藍(lán), Evans Blue,CAS號 314-13-6
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麗春紅 2R, Ponceau 2R, 3761-53-3
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Bilirubin Oxidase Amano 3
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Ascorbate Oxidase Amano 3
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Peroxidase Amano 3
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高效異丙甲草胺 CGA 357704
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高效異丙甲草胺 CGA 368208
-

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高效異丙甲草胺 CGA 37735
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農(nóng)藥混標(biāo) 32
-

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農(nóng)藥混標(biāo) 34
-

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有機氯殺蟲劑混標(biāo) 3
-

-
農(nóng)藥混標(biāo) 32
-

-
農(nóng)藥混標(biāo) 34
-

-
農(nóng)藥混標(biāo) 36
-

-
農(nóng)藥混標(biāo) 323
-

-
含氯農(nóng)藥混標(biāo) 3
-

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有機氯殺蟲劑混標(biāo) 3
-

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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
-

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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
-

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USP Solution Ammonium Chloride-Ammonium Hydroxide TS Conforms to USP 34
-

-
USP Solution Ammonium Chloride-Ammonium Hydroxide TS Conforms to USP 34
-

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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
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USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34
-

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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
-

-
USP Solution Bromocresol Green TS Conforms to USP 34
-

-
USP Solution Bromocresol Purple TS Conforms to USP 34
-

-
USP Solution Bromocresol Purple TS Conforms to USP 34
-

-
USP Solution Bromophenol Blue TS Conforms to USP 34
-

-
USP Solution Bromophenol Blue TS Conforms to USP 34
-

-
USP Solution Bromothymol Blue TS Conforms to USP 34
-

-
USP Solution Bromothymol Blue TS Conforms to USP 34
-

-
USP Solution Calcium Sulfate TS Conforms to USP 34
-

-
USP Solution Calcium Sulfate TS Conforms to USP 34
-

-
USP Solution Congo Red TS Conforms to USP 34
-

-
USP Solution Congo Red TS Conforms to USP 34
-

-
USP Solution Cupric Acetate TS Conforms to USP 34
-

-
USP Solution Cupric Acetate TS Conforms to USP 34
-

-
USP Solution Cupric Citrate TS Conforms to USP 34
-

-
USP Solution Cupric Citrate TS Conforms to USP 34
-

-
USP Solution Cupric Sulfate TS Conforms to USP 34
-

-
USP Solution Cupric Sulfate TS Conforms to USP 34
-

-
USP Solution Dichlorofluorescein TS Conforms to USP 34
-

-
USP Solution Dichlorofluorescein TS Conforms to USP 34
-

-
USP Solution Edetate DiSodium TS Conforms to USP 34
-

-
USP Solution Edetate DiSodium TS Conforms to USP 34
-

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USP Solution Ferric Ammonium Sulfate TS Conforms to USP 34
-

-
USP Solution Ferric Ammonium Sulfate TS Conforms to USP 34
-

-
USP Solution Ferric Chloride TS Conforms to USP 34
-

-
USP Solution Ferric Chloride TS Conforms to USP 34
-

-
USP Solution Glycerin Base TS Conforms to USP 34
-

-
USP Solution Glycerin Base TS Conforms to USP 34
-

-
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
-

-
USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34
-

-
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
-

-
USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34
-

-
USP Solution Lead Acetate TS Conforms to USP 34
-

-
USP Solution Lead Acetate TS Conforms to USP 34
-

-
USP Solution Mercuric Chloride TS Conforms to USP 34
-

-
USP Solution Mercuric Chloride TS Conforms to USP 34
-

-
USP Solution Methyl Orange Indicator Conforms to USP 36
-

-
USP Solution Methyl Orange Indicator Conforms to USP 34
-

-
USP Solution Methyl Red TS 2 Conforms to USP 34
-

-
USP Solution Methyl Red TS 2 Conforms to USP 34
-

-
USP Solution Methyl Red-Methylene Blue Soln Conforms to USP 34
-

-
USP Solution Methyl Red-Methylene Blue Soln Conforms to USP 34
-

-
USP Solution Methylene Blue TS Conforms to USP 34
-

-
USP Solution Methylene Blue TS Conforms to USP 34
-

-
USP Solution Neutral Red TS Conforms to USP 34
-

-
USP Solution Neutral Red TS Conforms to USP 34
-

-
USP Solution Oxalic Acid TS Conforms to USP 34
-

-
USP Solution Oxalic Acid TS Conforms to USP 34
-

-
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