质谱在代谢组学中的应用

时间: 2024-12-11
作者: 百灵威
分享:
质谱在代谢组学中的应用|百灵威-百灵威
    代谢组学是对生物体内所有小分子代谢物进行定性、定量分析,并研究其在生物体系中的功能、变化规律以及与生理病理过程关系的一门学科,其研究对象主要是相对分子质量在1000以内的小分子物质,如氨基酸及其衍生物、糖类、脂类、核苷酸及其代谢物等。由于研究对象的种类多,分子量分布广,浓度范围宽,且极性差异大,仅使用NMR技术难以满足满足代谢组学研究的需要,质谱技术的灵敏度高,动态范围宽,能与色谱技术联用,可获得的结构信息多等特点,成为代谢组学研究的主要手段之一。直接进样分析是指不经色谱分离而直接进入离子源由质谱检测,能够实现质谱的高通量检测且重复性好,但对于具有相同质量数的同分异构体难以区分,对于尿样、培养液等基质成分浓度差别较大的的样品离子化抑制效应严重,所以色谱与质谱联用也是代谢组学研究的重要方法。
    百灵威可提供多种质谱研究常用产品,包括溶剂、衍生化试剂、流动相添加剂、质谱标准品、质谱基质、同位素标记物、耗材系列产品,以及代谢组学研究用试剂,多数产品纯度99%以上,质控严格,批次稳定性优异。
溶剂
品名 CAS 货号
Acetonitrile, 99.9%, LC-MS
乙腈
75-05-8 932537
危化品
Ethanol, 99.8%, HPLC/ACS
乙醇
64-17-5 441863
危化品
Methanol, 99.9%, LC-MS
甲醇
67-56-1 952707
危化品
Water, LC-MS
7732-18-5 965057
More
衍生化试剂
品名 CAS 货号
N2,N2,N4,N4-Tetramethyl-6-(4-(chloride-1-ylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine(TMT-Cl), 98%
N2,N2,N4,N4-四甲基-2,4-二氨基-6-(4-苯基磺酰氯)-1,3,5-三嗪
/ 9415861
N2,N2,N4,N4-Tetramethyl-6-(4-(hydrazine-1-ylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine(TMT-Hz), 98%
N2,N2,N4,N4-四甲基-2,4-二氨基-6-(4-苯基磺酰肼)-1,3,5-三嗪
/ 9415862
N2,N2,N4,N4-Tetramethyl-6-(4-(piperazin-1-ylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine(TMT-PP), 98%
N2,N2,N4,N4-四甲基-2,4-二氨基-6-(4-苯基磺酰哌嗪)-1,3,5-三嗪
/ 9415860
Dansyl chloride, 98%
丹磺酰氯
605-65-2 164579
Girard's Reagent P, 98%
吉拉德试剂 P
1126-58-5 341056
Girard's Reagent T, 98%
吉拉尔特试剂T
123-46-6 509681
N,N-Dimethylglycine hydrazide DiHCl
N,N-二甲基甘氨酸酰肼二盐酸盐
5787-71-3 F238487
O-(Carboxymethyl)hydroxylamine hemihydrochloride, 98%, derivatization grade
O-(羧甲基)羟胺半盐酸盐
2921-14-4 148928
p-Toluenesulfonyl isocyanate, 96%
对甲苯磺酰 异氰酸酯
4083-64-1 303168
Succinimidyl 4-[3,5-Dimethyl-4-(4-nitrobenzyloxy)phenyl]-4-oxobutyrate
4-[3,5-二甲基-4-(4-硝基苄氧基)苯基]-4-氧代丁酸琥珀酰亚胺酯
948995-62-8 S0808
More
流动相添加剂
品名 CAS 货号
Acetic acid, 99.9%, eluent additive for LC-MS
乙酸
64-19-7 918896
危化品
Ammonium acetate, 99%, eluent additive for LC-MS
乙酸铵
631-61-8 992378
Ammonium formate, 99%
甲酸铵
540-69-2 932336
Ammonium hydroxide, 25 wt% solution in H2O, eluent additive for LC-MS
氢氧化铵
1336-21-6 951102
危化品
Formic acid, 98%, for LC-MS
甲酸
64-18-6 942988
危化品
More
质谱标准品
品名 CAS 货号
2,4,6-Tris(heptafluoropropyl)-1,3,5-triazine
2,4,6-三(七氟丙基)-1,3,5-三嗪
915-76-4 T0859
2,4,6-Tris(pentadecafluoroheptyl)-1,3,5-triazine
2,4,6-三(全氟庚基)-1,3,5-三嗪
21674-38-4 T896145
2,4,6-Tris(pentafluoroethyl)-1,3,5-triazine
2,4,6-三(五氟乙基)-1,3,5-三嗪
858-46-8 T0858
Heptacosafluorotributylamine [for Mass spectrometry]
二十七氟三丁胺 [质谱分析用]
311-89-7 P0074
质谱基质
品名 CAS 货号
1,8-Dihydroxyanthracen-9(10H)-One
1143-38-0 OR1009295
2-(4-Hydroxyphenylazo)benzoic acid, 98%
2-(4-羟基苯唑)苯甲酸
1634-82-8 604440
2,5-Dihydroxybenzoic acid, 98%
龙胆酸
490-79-9 911841
3,4-Dimethoxycinnamic acid, 99%
3,4-二甲氧基肉桂酸
2316-26-9 125408
3,5-Dimethoxy-4-hydroxycinnamic acid, 98%, predominantly trans isomer
3,5-二甲氧基-4-羟基肉桂酸
530-59-6 397578
3-Aminoquinoline
3-氨基喹啉
580-17-6 OR30967
危化品
3-Hydroxypicolinic acid, 98%
3-羟基-2-吡啶甲酸
874-24-8 559198
9-Aminoacridine, 98%
9-氨基吖啶
90-45-9 108364
alpha-Cyano-3-hydroxycinnamic Acid
α-氰基-3-羟基肉桂酸
54673-07-3 C2677
Caffeic acid, 99%, predominantly trans
咖啡酸
331-39-5 247526
Ferulic acid, 99%
阿魏酸
1135-24-6 408508
α-Cyano-4-hydroxycinnamic acid, 99%
α-氰基-4-羟基肉桂酸
28166-41-8 947196
More
同位素标记代谢物
品名 CAS 货号
5-Hydroxyindole-3-acetic Acid-D2
5-羟基吲哚-3-乙酸-D2
56209-31-5 H953608
Bis(2-ethylhexyl)phthalate-3,4,5,6-D4, 98%, 98 atom%D
邻苯二甲酸二辛酯-3,4,5,6-D4
93951-87-2 1156040
Choline-d9 Chloride
氯化胆碱-三甲基-氘9
61037-86-3 C432652
D-Glucose (1,2,3,4,5,6,6-D?, 97-98%)
D-葡萄糖(1,2,3,4,5,6,6-D7, 97-98%)
66034-51-3 DLM-2062-1
L-DOPA-2,5,6-d3
左旋多巴-2,5,6-氘3
53587-29-4 D533752
More
代谢组学相关试剂
品名 CAS 货号
(+)-Sodium L-ascorbate, 99%
(+)-L-抗坏血酸钠
134-03-2 171771
22(R)-Hydroxycholesterol, 98%
22(R)-羟基胆固醇
17954-98-2 425465
Acetylcholine chloride, 98%
氯化乙酰胆碱
60-31-1 249495
all-cis-7,10,13,16,19-Docosa-pentaenoic acid, 97%
全顺式-7,10,13,16,19-二十二碳五烯酸
24880-45-3 160867
Choline chloride, 98%
氯化胆碱
67-48-1 185888
Citric acid monohydrate, 98%
柠檬酸一水合物
5949-29-1 274973
DL-α-Tocopherol, 96%
DL-α-生育酚
10191-41-0 957498
D-Sorbitol, 98%
D-山梨醇
50-70-4 979579
Ergosterol, 97%
麦角固醇
57-87-4 974441
Glyceraldehyde, 90%
甘油醛
56-82-6 583983
Indole-3-acetic acid sodium salt, 98%
吲哚-3-乙酸钠盐
6505-45-9 183426
Isocitric acid trisodium salt hydrate, 93%
异柠檬酸三钠盐水合物
1637-73-6 133757
L-Methionine, 99%
L-蛋氨酸
63-68-3 283889
Nervonic acid, 98%, from the seeds of Acer truncatum Bunge
神经酸
506-37-6 918946
Squalene, 98%
角鲨烯
111-02-4 958219
Trilaurin, 98%
甘油三酯
538-24-9 514656
Trilinolenin, 97%
三亚麻精
14465-68-0 201211
Uridine 5'-diphosphoglucuronic acid trisodium salt, 90%
尿苷-5'-二磷酸葡糖醛酸三钠盐
63700-19-6 599435
More
耗材
品名 CAS 货号
C18-H HPLC column, 250*4.6 mm 5 μm, 120 Å, PH 1.5-10.5
C18-H 液相色谱柱
/ 1122769
Centrifuge tubes, 10 mL, round bottom, 200 tubes/pack
离心管
/ 914354
HLB SPE Cartridges, bed wt. 200 mg, volume 6 ml, 30 pcs/pack
HLB 固相萃取小柱
/ 948068
MAX SPE Cartridges, bed wt. 150 mg, volume 6 ml, 30 pcs/pack
MAX 固相萃取小柱
/ 994507
Pipette tips, 200 μL, yellow, low Retention, 1000 tips/pack
移液器吸头
/ 1438546
Short screw thread vial caps and septa, 9 mm blue pp cap, centre hole 6 mm, pre-slit blue PTFE/white silicone septum
短螺纹样品瓶组合盖垫
/ 993144
Short screw thread vials, 2ml, 9mm, 11.6×32mm, with marking spot, amber, wide opening
短螺纹样品瓶, 2ml, 9mm, 11.6×32mm, 棕色, 广口, 带书写签
/ 902590
Single-channel mechanical pipettor, Volume range: 50 - 200 μL, Increment: 1.0 μL
单道手动可调移液器
/ 1122426
Syringe filter, PTFE membrane (hydrophillic), non-sterile, 13mm, 0.45µm, 200 pcs/pack
针头式过滤器
/ 2123704
More
其他耗材
品名 CAS 货号
5 mm NMR Economy Sample Tube w/ Cap, 7″, High-Throughput
5毫米,高通量经济型核磁管,7英寸
/ 1001281
Magnetic stir bar, PTFE-coated, cylindrical,without pivot ring, C60 (3mm*6mm), 5 pcs/pack
聚四氟乙烯磁力搅拌子,圆柱型,无轴环
/ 2736330
Crimp-top vials, 2ml, 11.6×32mm, with marking spot,amber, large opening
样品瓶
/ 920035
Laboratory consumables, disposable dispenser for laboratory use (without needle), limited to scientific research use only, 2-piece, pp, 5 ml
实验室耗材, 实验室用一次性加液器(无针头), 仅限科研使用
/ 972645
Centrifuge tubes, 50 ml, scale can stand on a pointed bottom, 25 pieces/bag, 2 bags/bag
离心管
/ 966183
PCR tube caps, suitable for 0.2 ml RTPCR, strips of 8, flat cap, 125 strips/pack
PCR管盖
/ 1438748
TLC aluminum oxide plates (fluorescent indicator), Neutral,F254,200*100 mm, layer thickness: 0.2±0.02, particle size: ≥400 mesh
薄层层析氧化铝板(含荧光)
/ 978011
Wash bottle, 500 ml, bottle: LDPE, cap: PP, 10 pcs/pack
塑料洗瓶
/ 984183
Plastic graduated cylinder, capacity: 50 ml, 1 PAK=12 EA
塑料量筒
/ 2742049
304 Stainless Steel Micro-Spatula, 125mm, one end rounded and hend up, the other end square
304不锈钢药刮
/ 9076550
Pipette fillers, 15 ml, blue, frosted, 20 pcs/pack
洗耳球
/ 1208125
智慧实验室
品名 CAS 货号
FindMolecule ELN, Academic Basic
ELN电子记录本系统服务
/ 9269008
FindMolecule IMS, Academic Basic
实验室库存管理系统服务
/ 9269003
Smart Hazardous Chemical Management Cabinet HCA00, Container size: 900 * 500 * 1980mm, internal size: 650 * 420 * 1550mm, volume 423L
RFID酸碱柜HCA-400
/ 9410144
Bio-Vanguard
品名 CAS 货号
Bio-Vanguard® Disinfectant Spray
清萨灵®消毒剂
/ 916670
Bio-Vanguard® Antimicrobial Rinse-free Foaming Hand Sanitizer
清萨灵®泡沫抗菌免水洗手液
/ 965255
Antibacterial polycotton laboratory coats, L(170-175cm,60-70kg)
涤棉抗菌实验服
/ 966163
More
推荐阅读
许风国教授科研成果 | TMT系列新型质谱衍生化试剂:助力突破质谱仪器检测性能上限
高纯度代谢产物——助力代谢组学研究
    advertisement