Tazobactam (sodium salt)β-lactamases inhibitor |
Sample solution is provided at 25 µL, 10mM.
Quality Control & MSDS
- View current batch:
- Purity = 98.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
- Datasheet
Chemical structure
Tazobactam (sodium salt) Dilution Calculator
calculate
Tazobactam (sodium salt) Molarity Calculator
calculate
Cas No. | 89785-84-2 | SDF | Download SDF |
Synonyms | CL-307579,YTR 830 | ||
Chemical Name | 4,4-dioxide 3-methyl-7-oxo-3-(1H-1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, monosodium salt | ||
Canonical SMILES | O=C(C1)N2[C@]1([H])S([C@](CN3C=CN=N3)(C)[C@@H]2C([O-])=O)(=O)=O.[Na+] | ||
Formula | C10H11N4O5S • Na | M.Wt | 322.3 |
Solubility | ≥32.2mg/mL in H2O | Storage | Store at -20°C |
Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request | ||
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. |
Tazobactam is a β-lactamase inhibitor [1]. Tazobactam shows intrinsic activity against Acinetobacter strains.
The β-Lactamases are responsible for resistance to penicillins, extended-spectrum cephalosporins, monobactams, and carbapenems. In order to overcome β-lactamase-mediated resistance, β-lactamase inhibitors have been introduced into clinical practice [2].
Tazobactam alone showed an MIC of ≤ 8 mg/liter (range 2 to 32 mg/liter) against 29 of the 38 strains [1]. Tazobactam in combination with the ureidopenicillin, piperacillin successfully restored the activity of piperacillin against β-lactamase-producing bacteria [3]. Tazobactam exhibited inhibitory activity and protected piperacillin against Richmond and Sykes types II, III, IV and V β-lactamases, staphylococcal penicillinase and extended-spectrum β-lactamases [3]. Tazobactam showed species-specific activity against class I chromosomally-mediated enzymes [3].
Preliminary clinical data indicated that the fixed combination of piperacillin /tazobactam was effective in the treatment of moderate to severe polymicrobial infections, including skin, intra-abdominal and soft-tissue and lower respiratory tract infections [3]. Piperacillin/tazobactam in combination with an aminoglycoside was effective in the empirical treatment of fever in patients with neutropenia. In phase III trials, piperacillin/tazobactam showed a tolerability profile typical of a penicillin agent [3].
References:[1] Higgins P G, Wisplinghoff H, Stefanik D, et al. In vitro activities of the β-lactamase inhibitors clavulanic acid, sulbactam, and tazobactam alone or in combination with β-lactams against epidemiologically characterized multidrug-resistant Acinetobacter baumannii strains[J]. Antimicrobial agents and chemotherapy, 2004, 48(5): 1586-1592.[2] Drawz S M, Bonomo R A. Three decades of β-lactamase inhibitors[J]. Clinical microbiology reviews, 2010, 23(1): 160-201.[3] Perry C M, Markham A. Piperacillin/tazobactam[J]. Drugs, 1999, 57(5): 805-843.
ebiomall.com
>
>
>
>
>
>
>
>
>
>
>
>
(2)激活补体:IgM、IgG1、IgG2和IgG3可通过经典途径激活补体,凝聚的IgA、IgG4和IgE可通过替代途径激活补体。
(3)结合细胞:不同类别的免疫球蛋白,可结合不同种的细胞,参与免疫应答。
(4)可通过胎盘及粘膜:免疫球蛋白G(IgG)能通过胎盘进入胎儿血流中,使胎儿形成自然被动免疫。免疫球蛋白A(IgA)可通过消化道及呼吸道粘膜,是粘膜局部抗感染免疫的主要因素。
(5)具有抗原性:抗体分子是一种蛋白质,也具有刺激机体产生免疫应答的性能。不同的免疫球蛋白分子,各具有不同的抗原性。
(6)抗体对理化因子的抵抗力与一般球蛋白相同:不耐热,60~70℃即被破坏。各种酶及能使蛋白质凝固变性的物质,均能破坏抗体的作用。抗体可被中性盐类沉淀。在生产上常可用硫酸铵或硫酸钠从免疫血清中沉淀出含有抗体的球蛋白,再经透析法将其纯化。
(7)通过与细胞Fc受体结合发挥多种生物效应
①调理作用
IgG、IgM的Fc段与吞噬细胞表面的FcγR、FcμR结合,增强其吞噬能力,通常将抗体促进吞噬细胞吞噬功能的作用称为抗体的调理作用 (opsonization)。
②发挥抗体依赖的细胞介导的细胞毒作用向左转|向右转
与同种型相对应的是同种异型和独特型。
【T。SDM】
比如该厂家的WB抗体,如果是1mg/ml的抗体,一般做WB的时候要求抗体工作液的浓度是1ug/ml,也就是说1mg/ml的抗体是可以按照1:1000的比例进行稀释。当然,根据抗体亲和力不同,这个浓度也是可以变化的。所以abcam的WB抗体稀释浓度一般是1ug/ml
抗体是人免疫功能自身产生的。当人体感染某种病毒的时候,人体免疫功能自动针对该病毒产生抵制其生存的病毒抗体或抑制病毒的生长 复制 并最终将该病毒杀死。
二抗:二抗是在其它宿主体内制备的能与一抗或一抗片段结合的抗体,上面通常连有酶或荧光素等标签。由于二抗所具备的优点使得其在免疫学实验中得以应用广泛,如western blot(通过与特异性抗体结合来鉴定蛋白质),ELISA(以耦联有酶的抗体或抗原为标记来检测特异性的蛋白质,尤其是相应的抗原或抗体),免疫组织化学(检测组织中的特异性抗原),免疫细胞化学(通过免疫学方法检测细胞的抗原组成),流式细胞术(通过检测激光所激发荧光来鉴定分离不同类型的细胞)及免疫沉淀(通过抗原与抗体的特异性结合作用来分离相应抗原)。二抗针对某一特定物种(如小鼠)的所有抗体均具有特异性,因而使用标记的二抗可以免去对每一个一抗进行标记,大大节省了时间和费用;此外,一个一抗分子可以同时结合几个二抗分子,从而使信号大大增强,提高了实验灵敏度。
二抗可以耦联有几种不同的标记,可以是酶,荧光素,或生物素。
抗体特异性 产品。
暂无品牌问答