Description | Leptin Antagonist Triple Mutant Human Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular weight of 16 kDa, Leptin was mutated, resulting in L39A/D40A/F41A. Leptin Antagonist Triple Mutant Human Recombinant was purified by proprietary chromatographic techniques. |
Source | Escherichia coli. |
Physical Appearance | White lyophilized (freeze-dried) powder. |
Formulation | The protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3. |
Solubility | It is recommended to reconstitute the lyophilized Leptin Antagonist Triple Mutant Human Recombinant in sterile 0.4% NaHCO3adjusted to pH 8-9, not less than 100μg/ml, which can then be further diluted to other aqueous solutions. |
Stability | Lyophilized Leptin Antagonist Triple Mutant Human Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 2 mM and filter sterilization Leptin mutant can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles. |
Purity | Greater than 98.0% as determined by(a) Gel filtration analysis. (b) Analysis by SDS-PAGE. |
Amino acid sequence | The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Gln. |
Biological Activity | ProSpec’s Leptin triple antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. It also inhibits various leptin effects in several in vitro bioassays. |
Protein content | Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.88 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). |
Usage | ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. |
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科研用ELISA試劑盒
種屬:人、大鼠、小鼠、豚鼠、倉鼠、裸鼠、兔子、豬、犬、猴、馬、牛、羊、雞、鴨、魚等。
標本:血清、血漿、細胞上清液、尿液、體液、灌洗液、腦脊髓、心房水、胸房水、組織等。
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*測量范圍:±35kPa*顯示:液晶顯示*精確度:±0.3%FSO(25℃)*可重復性:±0.2%(最大+/-0.5%FSO)*線性/滯后性:±0.29%FSO*最大壓力:150kPa*反應時間:典型0.5秒*低電量提示功能
*溫度補償功能*超出正壓量程提示:Err.1*超出負壓量程提示:Err.2*操作溫度:0-50℃*儲存溫度:-10-60℃*電源:AAA電池*USB接口
旋轉培養裝置
描述 | 輸入電壓 | 轉速(RPM ) | 重量(lbs.) | 定貨號 | |
馬達和底座 | 240V | 2- 83 | 17.0 | RD4524 | |
馬達和底座 | 240V | 0.17-8.3 | 17.0 | RD5524 | |
旋轉培養裝置提升附件 | | | 4.5 | RR1 | |
訂貨號 | 描述 | 轉速 | 重量(kg) |
CR4024 | 小型試管培養裝置 | 2-83 | 7.3 |
訂貨號 | 描述 | 轉速 | 重量(kg) |
MR1524 | 微型旋轉裝置(包括帶夾具和鋁盤 | 2-80 | 2.7 |
TC132 | 組織培養轉盤(MR1524可選附件) | | 0.5 |
適用于疾病防控、醫院、血站、科研院所、畜牧系統。
用于冷凍保存血漿、試劑、疫苗、生物材料等。
溫度控制系統
●微電腦控制,數碼顯示箱內溫度,箱內溫度-10℃~ -25℃可調。
●高低溫報警控制,可根據需要設定報警溫度點。
安全的控制系統
●兩種故障報警:高低溫報警、傳感器故障報警。
●兩種報警方式:聲音蜂鳴報警、燈光閃爍報警。
●開機延時、停機間隔等保護功能。
制冷系統
●采用名牌壓縮機,制冷迅速。
●加厚保溫層,超微孔發泡技術,保溫效果好。
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人性化設計
●安全門鎖設計,防止隨意開啟。
●寬電壓帶設計,適合187~242V電壓下使用。
●高質量臺階式鋁制內膽設計,箱內底部裝有排水孔,方便清潔。
●箱內可根據需要隨意配置物品筐,方便使用。
型號 | 有效容積 | 箱內溫度℃ | 額定電壓 /頻率 | 外形尺寸 (寬X深X高) | 內部尺寸 (寬X深X高) |
DW-25W525 | 525 | -10~--25 | ~220V/50 | 1843×689×848 | 1701×508×700 |
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RE-5299旋轉蒸發儀(器)
產 品 描 述 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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區域搜索:上海旋轉蒸發儀,山東旋轉蒸發儀,青海旋轉蒸發儀。 產品關鍵詞:RE-5299旋轉蒸發儀,旋轉蒸發器,江蘇旋轉蒸發儀。
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