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產(chǎn)品名稱(chēng):L-天冬氨酸
中文別名: L-*乙酯鹽酸鹽
英文名稱(chēng): L-ornithine ethyl ester dihydrochloride
英文別名: H-ORN-OET 2HCL; ethyl L-ornithine dihydrochloride; L-Ornithine Ethyl Ester 2HCl; L-Ornithineethylesterhydrochloride; H-Orn-OeEt-HCl
CAS號(hào): 84772-29-2
EINECS號(hào): 283-859-6
分子式: C7H18Cl2N2O2
分子量: 233.136
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L-天冬氨酸
SD6041 Tris-Tricine-SDS [10X] (1M Tris, 1M Tricine, 1% SDS, pH8.3) 緩沖液 500ml
BS897-586 2x Tricine Sample Buffer 30ml
BS897-593 10x Zymogram Renature Buffer緩沖液 125ml
BS897-594 10x Zymogram Sample Buffer 30ml
BS897-595 10x IEF Anode Buffer緩沖液 250ml
BS897-596 10x IEF Cathode Buffer (pH 3-10) 緩沖液 250ml
BS897-642 20x MES SDS running buffer 緩沖液 500ml
BS897-643 20x MOPS/ SDS Running Buffer緩沖液 500ml
SB0623 1 X PBS (with 0.05% TWEEN-20) Solution 緩沖液 500ml
SB0625 1 x PBS (with non-fat powdered milk) Powder緩沖液 1pk
SB0626 1 x PBS (with BSA) Powder 緩沖液 1pk
BS897-583 Discontinuous Buffer System (425ml Anode buffer + 500ml Cathode buffer)緩沖液 1L
PE270 2xLoading Buffer Protein Gel 緩沖液 1ml
SD6027 Rehydration Buffer I (without ampholine or other analogs)緩沖液 5ml
SD6028 Rehydration Buffer II(without ampholine or other analogs)緩沖液 5ml
SD6029 Rehydration Buffer III(without ampholine or other analogs)緩沖液 5ml
SD6031 5xProtein Loading Buffer (no reducing buffer) 5ml
SD6032 5xProtein Loading Buffer (no deturation buffer) 5ml
SD6035 10XTris-Glycine Gel Running Buffer(no deturation buffer)pH8.8緩沖液 500ml
SD6036 IEF anode Buffer 50xsolution :proteomics grade pH 2..4緩沖液 50ml
SD6037 IEF cathnode Buffer 10xsolution: proteomics grade pH 10.0緩沖液 50ml
SD6038 IEF Sample Buffer 4 X solution: proteomics grade pH 10.0 10ml
SD6040 Zymogram Development Buffer [10X] (0.5M Tris.HCL, 2M NaCl, 50mM CaCl2, 0.2% Brij®-35, pH 7.5) 緩沖液 500ml
SD6042 MOPS Running Buffer [10X] (200mM MOPS (pH 7.0), 80mM Sodium acetate, 10mM EDTA)緩沖液 1L
SD6043 MOPS Running Buffer [10X] (200mM MOPS (pH 7.0) 80mM Sodium acetate, 10mM EDTA)緩沖液 1gallon
SD6045 Blue Native PAGE Elecrtophoresis Running Buffer (Anode buffer 500ml + Cathode buffer 500ml) Anode buffer (50 mM Bis-Tris pH 7.0) Cathode buffer (50 mM Tricine 15 mM Bi-Tris 0.02% Coomassie blue G pH 7.0)緩沖液 1L
SD6046 (2x)TBE-Urea Sample Buffer (178m M tris-HCl pH 8.0 , 178m M boric acid,4 m M EDTA,7 M Urea,24% ficoll,0.02% bromophenol blue,0.04% xylene cyanole FF) 5ml
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實(shí)驗(yàn)過(guò)程:質(zhì)粒質(zhì)量檢測(cè)
將抽提好的核酸直接用于后續(xù)的實(shí)驗(yàn),是*可靠的檢測(cè)方法;除此之外的檢測(cè)方法,都是相對(duì)的, 而且并不十分可信。目前用于正式實(shí)驗(yàn)前檢測(cè)核酸質(zhì)量的方法,一是電泳,二是紫外分光光度儀。電泳檢測(cè)的主要是核酸的完整性和大小,只要核酸不是太小或者太 大 (超出電泳分離范圍),該方法還是非??尚诺?;電泳還可以用于估計(jì)核酸的濃度,但其準(zhǔn)確度與經(jīng)驗(yàn)有關(guān);另外,電泳也可能提供某些雜質(zhì)污染的信息,但是同樣 與經(jīng)驗(yàn)有關(guān)。紫外分光光度儀檢測(cè)的是純度和核酸含量,然而,由于紫外分光光度儀不能確保非常準(zhǔn)確,而該儀器的靈敏度又非常高,所以,提供的結(jié)果并不十分可 信。一般講,同時(shí)進(jìn)行紫外和電泳檢測(cè),綜合二者的結(jié)果,可以做出一個(gè)更合理的判斷。但由于這兩個(gè)方法都有缺陷,所以,即使出現(xiàn)壞的結(jié)果能用于后續(xù)實(shí)驗(yàn)而好 的結(jié)果卻不能用于后續(xù)實(shí)驗(yàn),也不用大驚小怪。
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