Aly Antibody 货号: CY8314-100ul 品牌: Abways 标签: 一抗
规格信息
品牌: |
Abways |
---|---|
CAS: |
N/A |
规格: |
100ul |
货期: |
3天 |
Aly Antibody 货号: CY8314-100ul 品牌: Abways 标签: 一抗
品牌: |
Abways |
---|---|
CAS: |
N/A |
规格: |
100ul |
货期: |
3天 |
上海金畔生物科技有限公司代理龟甲万酶制剂全线产品,欢迎访问官网了解更多信息。
The enzyme is useful for the determination of L-glutamine in clinical analysis.
由来 | from microorganism |
---|---|
系统名称 |
L-Glutamine amidohydrolase |
反应式 |
L-Glutamine + H2O →→→ L-Glutamineate + NH3 |
Appearance | light gray lyophilizate | |
---|---|---|
Activity | ≧4 U/mg | |
Contaminants | Catalase ≦3.0 U/U% | |
Stabilizer | sucrose | |
Storage condition | below – 20℃ |
Molecular weight | ca. 58 kDa (gel filtration) |
---|---|
Structure | heterodimer (45 kDa and 22 kDa) (SDS-PAGE) |
Michaelis constant | 5.5×10-4 M (L-glutamine) |
pH Optimum | ca. 7.0 |
pH Stability | 5.5–9.0 |
Optimum temperature | ca. 65℃ |
Thermal stability | below 50℃ |
Stability (liquid form) | stable at 37℃ for at least four days |
Stability (powder form) | stable at 30℃ for at least two weeks |
Specificity | L-glutamine (100), D-glutamine (70), L-asparagine (0), D-asparagine (0) |
The enzyme is useful for the determination of L-glutamine in clinical analysis.
Roberts, E., “The Enzymes,” Vol. 4 (2nd ed.), Academic Press, New York and London, 1960, pp. 285–300.
Hartman, S. C., “The Enzymes,” Vol. 4 (3rd ed.), Academic Press, New York and London, 1971, pp. 79–100.
上海金畔生物科技有限公司代理龟甲万酶制剂全线产品,欢迎访问官网了解更多信息。
The enzyme is useful for the determination of ammonia and ATP in clinical analysis.
由来 | microorganism |
---|---|
系统名称 |
L-Glutamate : ammonia ligase (ADP-forming) |
EC编号 | 6.3.1.2 |
反应式 |
ATP + L-Glutamate + NH3→→→ ADP + Orthophosphate + L-Glutamine |
Appearance | white to light yellow lyophilizate | |
---|---|---|
Activity | ≧15.0 U/mg | |
Contaminants | Catalase ≦0.5 U/U% | |
Stabilizer | sucrose | |
Storage condition | below-20℃ |
Molecular weight | ca. 900 kDa (gel filtration) |
---|---|
Structure | 57 kDa (SDS-PAGE) |
Isoelectric point | 6.5 |
Michaelis constant | 1.5×10-2M (L-glutamate) |
1.3×10-4M (ammonia) | |
8.7×10-4M (ATP) | |
pH Optimum | ca. 7.0 |
pH Stability | 6.5–9.5 |
Optimum temperature | 60℃ |
Thermal stability | below 40℃ |
Inhibitors | methionine sulfoximine, carbamyl phosphate |
Activators | Mg2+,Mn2+ |
Specificity | L-glutamate (100), D-glutamate (0.8) |
NH₃(100), NH₂OH (12) | |
ATP (100), GTP (2.5) |
The enzyme is useful for the determination of ammonia and ATP in clinical analysis.
Ebner, E. et al., “Methods in Enzymology,” Vol. 17A, Academic Press, New York, 1970, pp. 910–922.
Millipore密理博 Pellicon® XL 装置
Pellicon XL 是一个用于制药与生物技术开发应用的小容量切向流器 (TFF)。欢迎客户“Millipore密理博 Pellicon® XL 装置“详细说明书。
Pellicon XL 是一个用于制药与生物技术开发应用的小容量切向流器 (TFF)。
Pellicon XL 装置 | |
结构材质 | |
Biomax 膜 | 改良聚醚砜 |
Ultracel 膜 | 再生纤维素 |
屏幕,外壳,连接器, Luer 盖 | 聚丙烯 |
连接 | 阴 Luer |
过滤面积, cm2 | 50 |
尺寸 | |
长度,cm (in) | 18.8 (7.4) |
宽度,cm (in) | 3 (1.2) |
滞留量(典型), mL | 3.2 |
zui大进口压力,bar (psi) | 5.5 (80) at 50°C |
zui大膜透压,bar (psig) | 2.8 (40) |
Labscale TFF 系统 | |
尺寸 | |
长度,cm (in) | 21.6 (8.5) |
宽度,cm (in) | 27.9 (11) |
高度,cm (in) | 45.7 (18) |
重量,kg (lb) | 5.9 (13) |
zui大进口压力,bar (psi) | |
进给流速,mL/min,4 bar (60psi) | 10 至 100 |
zui小循环体积, mL | |
操作温度范围,°C | 4–45 |
Pellicon XL 装置 | |
结构材质 | |
Biomax 膜 | 改良聚醚砜 |
Ultracel 膜 | 再生纤维素 |
屏幕,外壳,连接器, Luer 盖 | 聚丙烯 |
连接 | 阴 Luer |
过滤面积, cm2 | 50 |
尺寸 | |
长度,cm (in) | 18.8 (7.4) |
宽度,cm (in) | 3 (1.2) |
滞留量(典型), mL | 3.2 |
zui大进口压力,bar (psi) | 5.5 (80) at 50°C |
zui大膜透压,bar (psig) | 2.8 (40) |
Labscale TFF 系统 | |
尺寸 | |
长度,cm (in) | 21.6 (8.5) |
宽度,cm (in) | 27.9 (11) |
高度,cm (in) | 45.7 (18) |
重量,kg (lb) | 5.9 (13) |
zui大进口压力,bar (psi) | |
进给流速,mL/min,4 bar (60psi) | 10 至 100 |
zui小循环体积, mL | |
操作温度范围,°C | 4–45 |
上海金畔生物科技有限公司代理龟甲万酶制剂全线产品,欢迎访问官网了解更多信息。
The enzyme is useful for the determination of numerous metabolites (ATP, ADP, glucose, creatinine, pyruvate,lactate and glycerol) and of enzyme activities (GPT, PK and CPK) when coupled with the related enzymes.
由来 | porcine heart |
---|---|
系统名称 |
(S )-Lactate : NAD+ oxidoreductase |
EC编号 | 1.1.1.27 |
反应式 |
Pyruvate + NADH + H+ L-Lactate + NAD+ |
Appearance | white lyophilizate | |
---|---|---|
Activity | ≧150 U/mg | |
Storage condition | below -20℃ |
Molecular weight | ca. 115 kDa (gel filtration) |
---|---|
Michaelis constant | 2.5×10-2M (fructosyl-glycine) 1.0×10-4M (pyruvate) |
pH Optimum | 7.4–8.0 |
pH Stability | 7.0–7.5 |
Optimum temperature | 50–55℃ |
Thermal stability | below 45℃ |
The enzyme is useful for the determination of numerous metabolites (ATP, ADP, glucose, creatinine, pyruvate, lactate and glycerol) and of enzyme activities (GPT, PK and CPK) when coupled with the related enzymes.