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- 详细信息
- 文献和实验
- 技术资料
- 库存:
52
- 英文名:
Pepsin assay kit
- 保质期:
详见说明书
- 供应商:
上海一研
- 保存条件:
低温
- 规格:
50管/24样
英文名称:Pepsin assay kit
产品规格:50管/24样
发货周期:1~3天
检测指标:胃蛋白酶
胃蛋白酶可水解蛋白产生含酚的氨基酸,而酚试剂可被含酚的氨基酸还原成蓝色物质,通过比色本试剂盒可测各种动物胃液、胃组织等样本中胃蛋白酶活性。胃蛋白酶原由胃底主细胞分泌,在pH1.5~5.0条件下,被活化成胃蛋白酶,将蛋白质分解为胨,一部分被分解为酪氨酸、苯丙氨酸等氨基酸。胃液胃蛋白酶测定可用于鉴别神经性低酸症和胃性低酸症,当胃酸过少或缺乏时,前者胃蛋白酶的含量有时正常而后者盐酸与胃蛋白酶同时缺乏。一般认为胃性低酸症是由于胃粘膜的重症器质性变化所致,特别是对于机体患有恶性贫血、无酸症、无胃蛋白酶分泌的研究具有重要的参考意义。胃癌、萎缩性胃炎、慢性胃炎、慢性胃扩张、慢性十二脂肠炎、恶性贫血以及甲状腺功能减退等胃蛋白酶的分泌常减少。一般胃酸基础分泌高的,如十二脂肠溃疡等,胃蛋白酶活性增高。
优点如下:
1、稳定性好:试剂盒2~8℃存放3个月有效。
2、再现性好:变异系数CV=1.7%。
3、回收试验: X =104%。
4、受外界影响因素小:干扰因素少,重复性强。
5、测试范围:可测动物胃液、组织等。
胃蛋白酶测定试剂盒(比色法) 使用注意事项
1. 微量试剂取用前请离心集液。
2. Annexin V-EGFP,Propidium Iodide(PI)避光保存及使用。
3. Propidium Iodide (PI)有毒,操作时请戴手套。
4. 本试剂盒适用于检测活细胞,流式细胞仪检测时,细胞数量不应低于1×105,,不推荐用于检测组织样本。
5. 推荐使用悬浮培养细胞。如果是贴壁细胞,需用不含EDTA的胰酶消化,如消化不当,可能引起假阳性,而用细胞刮子会造成细胞粘连成团,而影响检测。可将胰酶消化后细胞的保存在含2%BSA的PBS中,防止进一步的损伤。
6. 细胞固定后可能导致荧光的淬灭,请不要固定样品。
7. 因检测细胞的类型、凋亡诱导剂种类、使用的检测仪器不同,因而流式检测的荧光补偿也不同,因此建议每次检测均需使用未经凋亡诱导处理的细胞作为对照,进行荧光补偿的调节。
Covert Mortality Nodavirus(CMNV)偷死野田村病毒RT-PCR试剂盒别 名 HS747E2A; bK747E2.1; C22orf31; Chromosome 22 open reading frame 31; HS747E2A; Hypothetical protein LOC25770; CV031_HUMAN.免 疫 原 KLH conjugated synthetic peptide derived from human C22orf31产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:50-200亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:50-200(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Covert Mortality Nodavirus(CMNV)偷死野田村病毒染料法荧光定量RT-PCR试剂盒别 名 CD37L_HUMAN; CDC37 cell division cycle 37 homolog like 1; CDC37-like 1; CDC37B; Cdc37l; Cdc37l1; Cell division cycle 37 homolog (S. cerevisiae) like 1; Cell division cycle 37, S. cerevisiae, homolog-like 1; FLJ20639; HARC; Hsp90 associating relative of Cdc37; Hsp90 co-chaperone Cdc37-like 1; Hsp90-associating relative of Cdc37; RP11-6J24.5.免 疫 原 KLH conjugated synthetic peptide derived from human CDC37L1产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:50-200亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:50-200(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Covert Mortality Nodavirus(CMNV)偷死野田村病毒探针法荧光定量RT-PCR试剂盒别 名 mitochondrial; 16.7kD protein; Aging Associated Gene 10 Protein; Aging-associated gene 10 protein; C7orf17; CHCH2_HUMAN; CHCHD 2; CHCHD2; Coiled Coil Helix Coiled Coil Helix Domain Containing 2; Coiled coil helix coiled coil helix domain containing protein 2, mitochondrial; Coiled-coil-helix-coiled-coil-helix domain-containing protein 2; HCV NS2 trans regulated protein; HCV NS2 trans-regulated protein; NS2TP.免 疫 原 KLH conjugated synthetic peptide derived from human CHCHD2 (96-130aa)产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowdria ruminantium反刍兽考德里氏体PCR试剂盒别 名 CYP 11B2; CYP11B2; CYPXI11B2; Cytochrome P450 1111B2; Cytochrome P450 1111B2 mitochondrial; Cytochrome P450 family 11 subfamily B polypeptide 2; Cytochrome P450 subfamily XIB (cholesterol side chain cleavage); Cytochrome P450 subfamily XI11B2; Cytochrome P450C1111B2; C11B2_HUMAN.免 疫 原 KLH conjugated synthetic peptide derived from human CYP11B2产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowdria ruminantium反刍兽考德里氏体染料法荧光定量PCR试剂盒别 名 CHETK; Chetk-beta; CHKB; Chkb choline kinase beta; Chkb protein; CHKB_HUMAN; CHKL; Choline kinase beta; Choline kinase-like; Choline kinase-like protein; Choline/ethanolamine kinase; choline/ethanolamine kinase beta; Choline/ethanolamine kinase, beta; CK; CK/EK; CK/EK-beta; CKB; CKEKB; EK; EKB; Ethanolamine kinase; Ethanolamine kinase beta; Ethanolamine kinase, beta.免 疫 原 KLH conjugated synthetic peptide derived from human CHKL/Ethanolamine kinase beta (113-151aa)产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowdria ruminantium反刍兽考德里氏体探针法荧光定量PCR试剂盒别 名 Coiled coil domain containing 5 (spindle associated); Coiled coil domain containing protein 5; Coiled-coil domain-containing protein 5; Enhancer of invasion cluster; Enhancer of invasion-cluster; HAUS augmin-like complex subunit 1; HAUS1; HAUS1_HUMAN; HEI-C; HEIC; HsT1461.免 疫 原 KLH conjugated synthetic peptide derived from human CCDC5产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowpox Virus(CPV)牛痘病毒PCR试剂盒别 名 AH Antigen; Cell cycle dependent 350K nuclear protein; CENF; CENP F; CENP F Kinetochore Protein; CENP-F; CENPF; CENPF kinetochore protein; CENPF_HUMAN; Centromere protein F 350/400ka; Centromere Protein F; Hcp 1; Hcp1; Kinetochore protein CENP F; Kinetochore protein CENPF; Mitosin; PRO1779.免 疫 原 KLH conjugated synthetic peptide derived from human CENPF产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowpox Virus(CPV)牛痘病毒染料法荧光定量PCR试剂盒别 名 BM88; BM88 antigen; Cell cycle exit and neuronal differentiation 1; Cell cycle exit and neuronal differentiation protein 1; FLJ90066; MGC34326; CEND_HUMAN免 疫 原 KLH conjugated synthetic peptide derived from human CEND1产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Cowpox Virus(CPV)牛痘病毒探针法荧光定量PCR试剂盒别 名 CL-34; CL-L1; CLL1; COL10_HUMAN; Colec10; collectin liver 1; Collectin liver protein 1; Collectin sub family member 10; collectin sub-family member 10 (C-type lectin); Collectin-10; Collectin-34; MGC118794; MGC118795; OTTHUMP00000228058.免 疫 原 KLH conjugated synthetic peptide derived from human COLEC10(liver)产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxiella burnetii 伯氏立克次氏体(柯克斯体)PCR试剂盒别 名 COBL like 1; Cordon bleu protein like 1; KIAA0977.免 疫 原 KLH conjugated synthetic peptide derived from human COBLL1产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxiella burnetii 伯氏立克次氏体(柯克斯体)染料法荧光定量PCR试剂盒别 名 CL K1 IIb; Collectin kidney I; MGC129470; MGC129471; CL K1; CL K1 I; CL K1 II; CL K1 IIa; CLK1; COLEC 11; Collectin 11; Collectin kidney protein 1; Collectin sub family member 11; Collectin11; DKFZp686N1868; MGC3279; COL11_HUMAN.免 疫 原 KLH conjugated synthetic peptide derived from Human COLEC11(kidney)产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxiella burnetii 伯氏立克次氏体(柯克斯体)探针法荧光定量PCR试剂盒别 名 C2orf5; COMD1; COMD1_HUMAN; COMM domain-containing protein 1; COMMD1; copper metabolism domain containing 1; MGC27155; MURR1; Protein Murr1.免 疫 原 KLH conjugated synthetic peptide derived from human COMMD1/MURR1产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxsackie Virus(CA16v)柯萨奇病毒A16型变种RT-PCR试剂盒别 名 COMD4_HUMAN; COMM domain-containing protein 4; COMMD4.免 疫 原 KLH conjugated synthetic peptide derived from Hu COMMD4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxsackie Virus(CA16v)柯萨奇病毒A16型变种染料法荧光定量RT-PCR试剂盒别 名 Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 3; CTD small phosphatase-like protein; CTDSL_HUMAN; CTDSP-like; Ctdspl; hYA22; NIF-like protein; NLI-interacting factor 1; Nuclear LIM interactor-interacting factor 1; Protein YA22; RBSP3; SCP3; Small C-terminal domain phosphatase 3; Small CTD phosphatase 3.免 疫 原 KLH conjugated synthetic peptide derived from hu CTDSPL产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Coxsackie Virus(CA16v)柯萨奇病毒A16型变种探针法荧光定量RT-PCR试剂盒别 名 CTD small phosphatase like protein 2; CTD small phosphatase-like protein 2; CTDSP like 2; CTDSP-like 2; ctdspl2; CTSL2_HUMAN; HSPC058; HSPC129.免 疫 原 KLH conjugated synthetic peptide derived from human CTDSPL2产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500亚 型 IgG纯化方法 affinity purified by Protein A储 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500(石蜡切片需做抗原修复)not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
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ADH/AVP 抗利尿激素/血管升压素抗体(和肽素)进口/国产豚鼠白介素4(IL-4)ELISA Kit,48T/96T
GDF9 生长分化因子9抗体进口/原装人白介素4(IL-4)ELISA Kit,48T/96T
血清淀粉样蛋白A检测试剂盒中药对照药材进口/原装盐维拉帕米标准品盐维拉帕米标准品48T/96T特价供应规格:
血清淀粉样蛋白A1检测试剂盒中药对照药材进口/分装孟鲁司特钠标准品孟鲁司特钠标准品48T/96T特价供应规格:
ADAM8 去整合素样金属蛋白酶8抗体进口/分装小鼠白介素4(IL-4)ELISA Kit,48T/96T
血清铁检测试剂盒中药对照药材特价促销倍他米松磷钠标准品倍他米松磷钠标准品48T/96T特价供应规格:
NT-3 神经营养因子3抗体特价促销猪白介素4(IL-4)ELISA Kit,48T/96T
血清铁蛋白检测试剂盒中药对照药材进口/国产氟烷标准品氟烷标准品48T/96T特价供应规格:
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文献和实验[基本原理] MTT法是Mosmann 1983年报道的,以后此方法得到了迅速发展并广泛应用于临床与科研研究。其原理是活细胞内线粒体脱氢酶能将四氮唑化合物(MTT)由黄色还原为蓝黑色的甲肷,甲肷的生成量与细胞的增殖程度呈正相关。后者溶于有机溶剂(如二甲亚枫或酸化异丙醇等),并可在560nm波长下进行检测。 [试剂及材料] (1)MTT:用PBS配成5mg/ml的存储液,过滤除菌,4℃保存。 (2) 溶剂:二甲
[基本原理] XTT比色法有Scudiero等首次采用,用于检测细胞增殖。XTT是异种与MTT类似的四唑氮衍生物,可被活细胞线粒体脱氢酶还原成水溶性的棕色甲肷产物,当XTT与电子偶合剂共同使用时,甲肷的生成量与细胞的增殖程度呈正相关。 [试剂及材料] (1)XTT:用60℃预热培养液配制成6.6mmol/L,过滤除菌,现配现用。 (2)吩嗪二甲酯硫酸盐(PMS):用PBS配制成220mmol/L,4℃避光保存20天。 (3) XTT/PMS:XTT与PMS
一、目的植物体内的还原糖主要是葡萄糖、果糖和麦芽糖。它们在植物体内的分布,不仅反映植物体内碳水化合物的运转情况,而且也是合成其它成分碳架来源和呼吸作用的基质。此外,水果、蔬菜中含糖量的多少,也是鉴定其品质的重要指标。其它碳水化合物,如淀粉、蔗糖等,经水解也生成还原糖。因此,测定还原糖的方法在研究植物体内生理生化变化和测定植物体内碳水化合物方面都是很重要的。二、原理还原糖是具有羰基(>C=O)的糖,能将其它物质还原而其本身被氧化。(1) 还原糖在碱性条件及有酒石酸钾钠存在下加热,可以定量地还原
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