Polysciences 18606-20说明书

世界*实验材料供应商 Polysciences 上海金畔生物为其中国代理, Polysciences 在一直是行业的*,一直为广大科研客户提供zui为的产品和服务,上海金畔生物一直秉承为中国科研客户带来的产品,的服务, Polysciences 就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们zui大的收获

 Polysciences 中国代理, Polysciences 上海代理, Polysciences 北京代理,Polysciences 广东代理, Polysciences 江苏代理Polysciences 湖北代理,Polysciences 天津,Polysciences 黑龙江代理,Polysciences 内蒙古代理,Polysciences 吉林代理,Polysciences 福建代理, Polysciences 江苏代理,Polysciences 浙江代理, Polysciences 四川代理,

 

 

Polysciences公司是一家成立于1961致力于特殊技精细化学试剂、实验室产品,单/多聚体等产品的研发供应,所提供的产品服务于组织学(显微技术)、生物技术、电子技术、护理及制药工程等多个领域。Polysciences公司成立之初的主要产品为电镜样品制备的相关产品,目前该产品线延伸为多种组织学研究产品,包括多种方式与用途的样品包埋、的染料及诊断试剂盒。同时Polysciences在对物质分离和纯化的努力中逐步发展出超顺磁性微珠,用于DNA、蛋白质、多肽的分离纯化产品,成为生命科学研究中物质分离、新蛋白(多肽)发现及功能研究的有力武器。此外,Polysciences还在高纯度单/多聚体产品领域独树一帜,通过多种技术增强单/多聚体的关键特性,并将其应用于医疗器械的研发与生产,目前Polysciences已将聚合物延伸到电子多聚体领域。公司秉承为应用而研发,目前已拥有超过3000种产品。

公司主要产品:

一、生命科学大类:

公司提供的生命科学研究产品涵盖微生物学、组织病理学、细胞生物学、分子生物学等领域,其中:

1、细胞培养类产品:包括多种标准菌株(含不同包装形式)及培养管、细胞培养袋、胰蛋白酶、胶原酶、牛血清白蛋白(BSA)、组织匀浆器、蛋白酶K等。

2、组织病理学研究产品:该产品类目下包括酸性品红、吖啶黄、天狼星红、甲苯胺蓝染液、H.E染液、吉母萨染液、瑞特染液、四色染液等常用组织病理学染液,特染类染料及试剂、透明剂、脱水剂、脱钙产品,以及各种常用组织固定液(适用于冰冻切片、石蜡包埋、电镜样品制备),载玻片、盖玻片以及微生物标准片等。

Aqua-Poly/Mount

d to Cart

DESCRIPTION

Aqua-Poly/Mount is a water-soluble, non-fluorescing, non-permanent, aqueous mounting medium formulated for mounting sections directly from aqueous solutions. It is useful for immunofluorescent techniques as it enhances and retains fluorescent stains.

Aqua-Poly/Mount can also be used for frozen sections, fat stains and immuno-stains where aqueous mounting media is required. Aqua-Poly/Mount can be used with most fluorescent dyes and stains including DAB, Alkaline Phosphatase-Fast Red, AEC (aminoethylcarbazole) and other chromogens that are alcohol soluble or incompatible with organic solvents.

Aqua-Poly/Mount solidifies under the coverslip after 24-48 hours at a relative humidity of 20-50%. After it dries compley it forms a solid, clear seal that facilitates handling and storage, making painting of the coverslip edges unnecessary.

Aqua-Poly/Mount can be used on automated coverslippers in place of traditional solvent based coverslipping medium.

Refractive Index: 

1.454 – 1.460

Viscosity: 

390 cps

Reference(s):

Cui C, et al. (2013). Wdpcp, a PCP protein required for ciliogenesis, regulates directional cell migration and cell polarity by direct modulation of the actin cytoskeleton. PLoS Biol. 11(11):e1001720.

Doh YJ, Kim HK, Jung ED, Choi SH, Kim JG, Kim BW, Lee IK. (2009). Novel LMNA gene mutation in a patient with Atypical Werner's Syndrome. Korean J Intern Med. 24(1):68-72.

Li F, Vallabhaneni R, Yu J, Rocheford T, Wurtzel ET. (2008). The maize phytoene synthase gene family: overlapping roles for carotenogenesis in endosperm, photomorphogenesis, and thermal stress tolerance. Plant Physiol. 147(3):1334-46.

 

相关产品订购信息如下:

货号 产品名称 规格
18606-20 Aqua-Poly/Mount封片剂 20ml
18606-100 Aqua-Poly/Mount封片剂 100ml
18606-5 Aqua-Poly/Mount封片剂 5×20 ml

 

polysciences 01595-1说明书

polysciences 01595-1说明书

TDMAC (Tridodecylmethylammonium chloride)

十二烷基甲基氯化铵

 

 

Catalog No. Packaging Size Price
01595-1 1 g

$125.00

01595-5 5 g

$247.00

01595-25 25 g

$732.00

 

 

描述

十三烷基甲基氯化铵(TDMAC)是氯离子选择性溶剂聚合物膜电极组分。离子选择性电极(ISE;膜电极)是可用于各种分析应用的电化学传感器。用作聚合物膜基电极的TDMAC在临床相关浓度范围内对肝素显示出显着的电位反应。

另外,TDMAC-肝素复合物用作导管和管的抗血栓形成涂层,肝素通过离子交换过程缓慢释放。(参见Polysciences目录产品03813和03921,用于TDMAC-肝素(Tridodecylmethylammonium heparinate)溶液)。

CAS#: 

7173-54-8

式: 

[CH 3(CH 211 ] 3 N + CH 3 Cl 

 

分子量: 

572.49

熔点: 

熔点105-114℃

参照(一个或多个):

 

Ibrahim HA Badr,Gamal A. Saleh,Sayed M. Sayed和Deena AM Nour El-Deen(2014)用于批量和流动注射电位测定药物制剂中头孢唑啉钠的新型膜传感器。诠释。J. Electrochem。Sci。,9(2014)1621 – 1636

Sjöberg,P.,Bobacka,J.,Lewenstam,A。,&Ivaska,A。(1999)。基于聚(3-辛基噻吩)和十二烷基甲基氯化铵的全固态氯离子选择性电极。电分析,11(10-11),821-824。http://doi.org/10.1002/(SICI)1521-4109(199907)11:10/113.0.CO;2-F

Kim,Wantae,et al。溶胶 – 凝胶法制备掺杂三癸基甲基氯化铵的氯化物选择性膜基质。分析化学69.1(1997):95-98。

Ma,SC,Yang,VC&Meyerhoff,ME 肝素响应电化学传感器:初步研究。分析化学 64,694-697(1992)。DOI:10.1021 / ac00030a023

Kamal,GD,Pfaller,MA,Rempe,LE,&Jebson,PJ(1991)。通过抗生素结合减少血管内导管感染。一项前瞻性,随机,对照试验。JAMA,265(18),2364-2368。

Wegmann,D.,Weiss,H.,Ammann,D.,Morf,WE,Pretsch,E.,Sugahara,K。,&Simon,W。(1984)。基于亲脂性季铵化合物的阴离子选择性液膜电极。Microchimica Acta,84(1),1-16。DOI:10.1007 / BF01204153

Harvey,RA,Alcid,D.V,&Greco,RS(1982)。用十三烷基甲基氯化铵与聚四氟乙烯抗生素结合。手术,92(3),504-512。

Hartman,K.,Luterotti,S.,Osswald,HF,Oehme,M.,Meier,PC,Ammann,D。,&Simon,W。(1978)。基于亲脂性甲基三-N-烷基铵化合物的氯离子选择性液膜电极及其对血清测量的适用性。Microchimica Acta,70(3),235-246。DOI:10.1007 / BF01201614

危害: 

刺激性,吸湿性

处理: 

手套和化学护目镜

存储: 

防潮;在室温下储存

 

polysciences 9002-98-6大量现货


 

polysciences 9002-98-6大量现货

Polyethylenimine, Branched, Mw 70,000, 30% w/v aq. soln. (bPEI 70000 30% soln.)

聚乙烯亚胺,支化,Mw 70,000,30%w / v aq。SOLN。(bPEI 70000 30%溶液。)

Catalog No. Packaging Size Price
06090-25 25 g

$42.00

06090-100 100 g

$150.00

06090-500 500 g

$413.00

 

描述

支化聚乙烯亚胺,Mw 70,000,30%w / v aq。SOLN。(bPEI 70000 soln。)是高度支化的多胺,具有高阳离子电荷密度。bPEI 70000含有约25/50/25比例的伯,仲和叔胺基团。

工业上,支化聚乙烯亚胺(bPEI)作为辅助剂具有广泛的应用,从而加强了制造工艺并提高了终产品的质量。它们广泛用于:造纸,水处理,洗涤剂,粘合剂和化妆品。在研究中,它们被广泛研究为非病毒载体。

CAS#: 

9002-98-6

式: 

(-NHCH 2 CH 2 – )x [-N(CH 2 CH 2 NH 2)CH 2 CH 2 – ] y

 

分子量: 

70000

密度: 

1.029-1.038

粘度: 

400 – 900 cps

可溶于: 

水,低级醇,二醇和THF。

参照(一个或多个):

JägerM,Schubert S,Ochrimenko S,Fischer D,Schubert US。(2012年)。基于支链和线性聚(乙烯亚胺)的共轭物:合成修饰,表征和应用。Chem Soc Rev.41(13):4755-4767

Kawakami,S.,Ito,Y.,Charoensit,P.,Yamashita,F。和Hashida,M 。在小鼠中由线性和支化聚乙烯亚胺/质粒DNA复合物诱导的促炎细胞因子产生的评价。Journal of药理学和实验治疗学 317,1382-1390(2006)。DOI:10.1124 / jpet.105.100669.factors

TSCA 

 

危害: 

刺激

处理: 

手套和通风橱

存储: 

在室温下储存

 

9002-98-6  支链聚乙烯亚胺 分子量50,000-100,000 大量现货

 

polysciences 18545-250说明书


polysciences 18545-250说明书

聚(丙烯酰胺/丙烯酸)[60:40]

Poly(acrylamide/acrylic acid) [60:40]

Catalog No. Packaging Size Price
18545-250 250 g

$99.00

 

描述

阴离子丙烯酰胺聚合物。

残留单体<0.03%60:40,Na盐pH 9.1

CAS#: 

25085-02-3

分子量: 

> 10,000,000

TSCA 

 

危害: 

刺激

处理: 

手套和化学护目镜

存储: 

在室温下储存

polysciences 86057-3说明书


 

polysciences 86057-3说明书

BioMag®Plus Concanavalin A

刀豆球蛋白A

目录号 包装尺寸 价钱
86057-3 3毫升

$ 448.00

86057-10 10毫升

$ 1,045.00

描述

基于珠子和柱子的分离方法在很大程度上依赖于亲和力结合系统的速度和易用性。诸如链霉抗生物素蛋白,抗体和凝集素的配体既用于捕获特异性标记的靶标,也用于分离天然表达配体结合配偶体的细胞和生物分子。植物凝集素(例如伴刀豆球蛋白A(Con A))的*的糖结合特性使得它们可用于标记和分离血清和细胞裂解物中的聚糖呈递细胞和糖蛋白。凝集素还用于细胞粘附研究,以实现淋巴细胞活化,并探索基于碳水化合物的治疗。

我们的Con A涂层BioMag®Plus微粒提供了一种方便的方法,用于从血清或细胞裂解液中分离含甘露糖基和葡萄糖基的糖蛋白和多糖,或用于研究其他凝集素/聚糖介导的过程。BioMag®Plus磁性颗粒形式提供高表面积,并允许简单有效的分离。

需要:冷敷

Polysciences 2018报价

世界*实验材料供应商Polysciences上海金畔生物为其中国代理,Polysciences 在一直是行业的*,一直为广大科研客户提供zui为的产品和服务,上海金畔生物一直秉承为中国科研客户带来的产品,的服务, Polysciences 就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们zui大的收获

Polysciences 中国代理,Polysciences 上海代理,Polysciences北京代理,Polysciences 广东代理,Polysciences 江苏代理 Polysciences 湖北代理, Polysciences 天津, Polysciences 黑龙江代理, Polysciences内蒙古代理, Polysciences 吉林代理, Polysciences 福建代理, Polysciences 江苏代理, Polysciences 浙江代理, Polysciences 四川代理,

 

美国POLYSCIENCES公司成立于1961年,主要生产和经营LIFE SCIENCES生命科学(胶体金,不含甲醛的甲醇等),病理学和显镜学 微球和粒子和磁珠各种单体和聚体等产品。polysciences公司是世界上zui大zui全的多聚化合物供应商,同时是世界*的免疫学,组织化学试剂耗材供应商.

常规产品如PEI  尼龙毛 微球等

 

部分产品2018报价如下:

货号

品名

规格

价格

CAS号

品牌

00016-5

Acrolein, distilled, 99% EM grade

5×10 ml

4864

107-02-8

Polysciences

00019-100

Acrylamide, Chemzymes Ultra Pure®

100 g

1168

79-06-1

Polysciences

00019-500

Acrylamide, Chemzymes Ultra Pure®

500 g

3168

79-06-1

Polysciences

00096-100

Polyethylene glycol dimethacrylate (PEGDMA 200)

100 g

2192

25852-47-5

Polysciences

00112-50

Poly(4-vinylpyridine)

50 g

6160

25232-41-1

Polysciences

00141-100

N,N-Benzyldimethylamine

100 g

688

103-83-3

Polysciences

00213-500

2-(N,N-Dimethylamino)ethyl methacrylate, min. 99%

500 g

2016

2867-47-2

Polysciences

00216-30

Glutaraldehyde, EM Grade, 8%  (30 x 10ml)

30×10 ml

1472

111-30-8

Polysciences

00216A-10

Glutaraldehyde, EM Grade, 8% (10 x 10ml)

10×10 ml

512

 

Polysciences

00224-100

BEEM® Embedding Capsules, Size 00

100 capsules

589

 

Polysciences

00224-1000

BEEM® Embedding Capsules, Size 00

1000 capsules

4712

 

Polysciences

00224-500

BEEM® Embedding Capsules, Size 00

500 capsules

2470

 

Polysciences

00225-1000

Gelatin Embedding Capsules, Size 00

1000 capsules

2052

 

Polysciences

00226-1

JB-4® Embedding Kit

1 kit

4656

 

Polysciences

00227-1

2-Hydroxyethyl methacrylate, Technical Grade

1 kg

800

 

Polysciences

00236-1

Propylene Oxide, EM Grade

1 pint

640

75-56-9

Polysciences

00336-100

BEEM® Embedding Capsules, Size 3 capsules

100 capsules

589

 

Polysciences

00346-1

2,4,6-sym-Collidine Buffer Kit, EM Grade

1 kit

1568

 

Polysciences

00352-10

Coomassie® blue R250, C.I. 42660

10 g

416

6104-59-2

Polysciences

00352-100

Coomassie® blue R250, C.I. 42660

100 g

2192

6104-59-2

Polysciences

00376-4

Glutaraldehyde, Biological Grade, 25%

4×500 ml

1296

111-30-8

Polysciences

00376-500

Glutaraldehyde, Biological Grade, 25%

500 ml

416

111-30-8

Polysciences

00377-1

Glutaraldehyde, Biological Grade, 50%

1 liter

1040

111-30-8

Polysciences

00377-4

Glutaraldehyde, Biological Grade, 50%

4×1 liter

3152

111-30-8

Polysciences

00377-500

Glutaraldehyde, Biological Grade, 50%

500 ml

640

111-30-8

Polysciences

00380-1

Paraformaldehyde EM Grade

1 kg

544

30525-89-4

Polysciences

00380-250

Paraformaldehyde EM Grade

250 g

240

30525-89-4

Polysciences

00395-1

Chloroauric acid

1 g

4960

 

Polysciences

00403-1

Dental wax

1 lb

703

 

Polysciences

00403-5

Dental wax

5 lb

2527

 

Polysciences

00407-100

Dextran sulfate, sodium salt

100 g

4896

9011-18-1

Polysciences

00425-10

Benzoin methyl ether (UV Catalyst)

10 g

720

3524-62-7

Polysciences

00488-50

Acrylic anhydride min. 90%

50 g

9456

2051-76-5

Polysciences

00552-500

Poly/Bed® 502 Resin

500 g

928

84-74-2

Polysciences

00553-100

DMP-30

100 g

640

90-72-2

Polysciences

00563-100

Dodecenylsuccinic anhydride (DDSA)

100 g

528

19780-11-1

Polysciences

00563-4

Dodecenylsuccinic anhydride (DDSA)

4×450 g

3184

19780-11-1

Polysciences

00563-450

Dodecenylsuccinic anhydride (DDSA)

450 g

1136

19780-11-1

Polysciences

00574-100

Polystyrene, atactic pellets

100 g

1296

9003-53-6

Polysciences

00578-10

Poly(methacrylic acid)

10 g

1232

25087-26-7

Polysciences

00578-50

Poly(methacrylic acid)

50 g

4256

25087-26-7

Polysciences

00625-1

Formaldehyde 37%, U.S.P.

1 gal

1520

50-00-0

Polysciences

00627-1

Poly(acrylic acid), 25% soln. in water [MW ~ 50,000]

1 kg

5072

9003-01-4

Polysciences

00627-250

Poly(acrylic acid), 25% soln. in water [MW ~ 50,000]

250 g

1776

9003-01-4

Polysciences

00627-50

Poly(acrylic acid), 25% soln. in water [MW ~ 50,000]

50 g

464

9003-01-4

Polysciences

00631-100

Formvar 15/95 (Poly[vinyl formal])

100 g

1504

9003-33-2

Polysciences

00669-1

Poly(ethylene glycol) (n) diacrylate

1 kg

2016

26570-48-9

Polysciences

00669-100

Poly(ethylene glycol) (n) diacrylate

100 g

576

26570-48-9

Polysciences

00669-250

Poly(ethylene glycol) (n) diacrylate

250 g

864

26570-48-9

Polysciences

00679-250

Poly(ethylene glycol) [MW 1,450]

250 g

992

25322-68-3

Polysciences

00682-250

Poly(ethylene glycol) [MW 1,000]

250 g

1248

25322-68-3

Polysciences

00684-250

Poly(ethylene glycol) [MW 600]

250 g

992

25322-68-3

Polysciences

00692-250

Hexamethyldisilazane (HMDS)

250 g

1232

999-97-3

Polysciences

00730-1

Hydroxypropyl methacrylate, mixture of isomers

1 kg

2080

27813-02-1

Polysciences

00730-500

Hydroxypropyl methacrylate, mixture of isomers

500 g

1360

27813-02-1

Polysciences

00767-25

1H,1H,7H-Dodecafluoroheptyl methacrylate

25 g

5664

 

Polysciences

00791-1

Lens Tissue, Ross

1 box

1349

 

Polysciences

00791-5

Lens Tissue, Ross

5 boxes

5377

 

Polysciences

00801-10

1,9-Nonanediol dimethacrylate

10 g

1392

65833-30-9

Polysciences

00834-1

Methyl Methacrylate, min 99.5%

1 liter

784

 

Polysciences

00834-4

Methyl Methacrylate, min 99.5%

4×1 liter

1536

 

Polysciences

00834-5

Methyl Methacrylate, min 99.5%

5 gal

4272

 

Polysciences

00867-250

Polystyrene [MW ~ 100,000]

250 mg

3632

9003-53-6

Polysciences

00871-25

N,N-Diethylacrylamide, min. 95%

25 g

3840

2675-94-7

Polysciences

00876-15

Polybead® Microspheres 0.10μm

15 ml

2310

7732-18-5

Polysciences

00886-100

Nadic Methyl Anhydride (NMA)

100 g

384

25134-21-8

Polysciences

00886-500

Nadic Methyl Anhydride (NMA)

500 g

1392

25134-21-8

Polysciences

00968-100

Orange G, C.I. 16230, certified

100 g

1776

1936-15-8

Polysciences

01021-25

Phosphomolybdic acid hydrate, ACS grade

25 g

2016

12026-57-2

Polysciences

01021-5

Phosphomolybdic acid hydrate, ACS grade

5 g

640

12026-57-2

Polysciences

01048-100

Poly(ethylene glycol) (n) distearate

100 g

1264

9005-08-7

Polysciences

01048-500

Poly(ethylene glycol) (n) distearate

500 g

3776

9005-08-7

Polysciences

01051-250

Poly(N-vinylpyrrolidone), MW 40,000

250 g

1440

 

Polysciences

01052-250

Poly(N-vinylpyrrolidone), Pharmaceutical grade, MW 40,000

250 g

2064

9003-39-8

Polysciences

01102-100

Poly(ethylene glycol) [MW 1,450; pharma grade]

100 g

1216

25189-00-8

Polysciences

01109-250

Poly(ethylene glycol) [MW 400]

250 g

992

 

Polysciences

01125-100

Silver Nitrate

100 g

6752

7761-88-8

Polysciences

01125-25

Silver Nitrate

25 g

1888

7761-88-8

Polysciences

01131-100

Cacodylic acid, sodium salt trihydrate

100 g

6544

6131-99-3

Polysciences

01131-25

Cacodylic acid, sodium salt trihydrate

25 g

2192

6131-99-3

Polysciences

01131-500

Cacodylic acid, sodium salt trihydrate

500 g

19600

6131-99-3

Polysciences

01201-2

Glutaraldehyde, EM Grade, 70%

10×2 ml

784

111-30-8

Polysciences

01201-5

Glutaraldehyde, EM Grade, 70%

5×10 ml

992

111-30-8

Polysciences

01220-10

Thionin, C.I. 52000, certified

10 g

3600

 

Polysciences

01234-25

Toluidine blue O, C.I. 52040, certified

25 g

2000

92-31-9

Polysciences

01319-1

Triethylene glycol dimethacrylate

1 kg

2512

109-16-0

Polysciences

01319-250

Triethylene glycol dimethacrylate

250 g

1024

109-16-0

Polysciences

01341-10

Dextran

10 g

736

9004-54-0

Polysciences

01341-100

Dextran

100 g

2832

9004-54-0

Polysciences

01458-100

Dimethylaminoethanol (DMAE)

100 g

784

108-01-0

Polysciences

01479-10

Ethylene glycol diglycidyl ether (EGDGE)

10 g

560

98809-58-6

Polysciences

01479-100

Ethylene glycol diglycidyl ether (EGDGE)

100 g

3664

2224-15-9

Polysciences

01491-100

Heparin, sodium salt (Sodium heparin, from porcine intestinal mucosa)

100M USP Units (100M

1152

 

Polysciences

01491-5

Heparin, sodium salt (Sodium heparin, from porcine intestinal mucosa)

5x100M USP Units (100M

3632

 

Polysciences

01517-100

Methacrylic anhydride

100 ml

1360

760-93-0

Polysciences

01542-4

Nonenyl Succinic Anhydride (NSA), EM Grade

4 x 450 g

4016

28928-97-4

Polysciences

01542-450

Nonenyl Succinic Anhydride (NSA), EM Grade

450 g

1248

28928-97-4

Polysciences

01547-100

Pentaerythritol tetraacrylate

100 g

2192

4986-89-4

Polysciences

01564-10

Poly(2-vinylpyridine N-oxide)

10 g

3680

9016-06-2

Polysciences

01595-1

TDMAC (Tridodecylmethylammonium chloride)

1 g

1936

7173-54-8

Polysciences

01595-25

TDMAC (Tridodecylmethylammonium chloride)

25 g

11360

7173-54-8

Polysciences

01595-5

TDMAC (Tridodecylmethylammonium chloride)

5 g

3696

7173-54-8

Polysciences

01643-500

Allyl methacrylate

500 g

672

96-05-9

Polysciences

01648-100

Balsam, Canada

100 g

1616

 

Polysciences

01648-500

Balsam, Canada

500 g

4640

 

Polysciences

01668-1

Tetraethylene glycol diacrylate

1 kg

2336

17831-71-9

Polysciences

01668-100

Tetraethylene glycol diacrylate

100 g

368

17831-71-9

Polysciences

01718-25

2,2,2-Trifluoroethyl acrylate

25 g

1424

407-47-6

Polysciences

01795-50

1,4-Butanediol diglycidyl ether

50 g

4912

2425-79-8

Polysciences

01797-100

2-(tert-Butylamino)ethyl methacrylate, min. 90%

100 g

3328

3775-90-4

Polysciences

01814-100

Polyethylene, chlorinated, 25% Cl

100 g

1344

64754-90-1

Polysciences

01829-100

2-Cyanoethyl acrylate

100 g

1728

106-71-8

Polysciences

01844-250

Polystyrene [MW ~ 20,000]

250 mg

3632

9003-53-6

Polysciences

01848-10

N,N-Diallylacrylamide

10 g

3440

3085-68-5

Polysciences

01862-50

Dibutyltin dilaurate

50 g

2128

77-58-7

Polysciences

01871-1

Polyethylene glycol diacrylate (PEGDA 400)

1 kg

3073

26570-48-9

Polysciences

01871-250

Polyethylene glycol diacrylate (PEGDA 400)

250 g

1233

26570-48-9

Polysciences

01872-500

2-(N,N-Diethylamino)ethyl methacrylate

500 g

1088

105-16-8

Polysciences

01902-1

2-Hydroxyethyl acrylate

1 kg

1136

818-61-1

Polysciences

01902-250

2-Hydroxyethyl acrylate

250 g

480

818-61-1

Polysciences

01909-10

Glutaraldehyde, EM Grade, 25%

10 x 10 ml ampoules

864

111-30-8

Polysciences

01909-100

Glutaraldehyde, EM Grade, 25%

100 ml bottle

736

3380-34-5

Polysciences

01909-5

Glutaraldehyde, EM Grade, 25%

5 x 100 ml bottles

2384

111-30-8

Polysciences

01916-1

Spurr Low Viscosity Embedding Kit

1 kit

1696

 

Polysciences

01921-1

Acetone, EM grade & Histology grade, 99.5% minimum

1 liter

496

 

Polysciences

01921-4

Acetone, EM grade & Histology grade, 99.5% minimum

4 liters

1504

 

Polysciences

01983-250

3-Aminopropyltriethoxysilane

250 g

1696

919-30-2

Polysciences

02000-100

Benzyl methacrylate, min. 95%

100 g

1648

2495-37-6

Polysciences

02034-100

2-n-Butoxyethyl methacrylate, ~97%

100 g

5920

13532-94-0

Polysciences

02037-3

n-Butyl acrylate, min. 99%

3 kg

2272

141-32-2

Polysciences

02037-500

n-Butyl acrylate, min. 99%

500 g

784

141-32-2

Polysciences

02038-25

sec-Butyl acrylate

25 g

3632

2998-08-5

Polysciences

02047-500

1,3-Butanediol dimethacrylate, 98%

500 g

1888

1189-08-8

Polysciences

02049-100

1,4-Butanediol diacrylate, min. 85%

100 g

3184

 

Polysciences

02056-500

iso-Butyl methacrylate

500 g

2992

97-86-9

Polysciences

02057-10

sec-Butyl methacrylate

10 g

1456

2998-18-7

Polysciences

02059-250

n-Butyl methacrylate

250 g

1568

97-88-1

Polysciences

02059-500

n-Butyl methacrylate

500 g

2080

97-88-1

Polysciences

02061-100

Poly(n-butyl methacrylate)

100 g

1712

9003-63-8

Polysciences

02092-5

Cinnamyl methacrylate

5 g

3696

31736-34-2

Polysciences

02116-500

Araldite® resins (modified epoxy resins), Grade 6005

500 g

544

3101-60-8

Polysciences

02140-25

1,10-Decanediol dimethacrylate

25 g

2048

6701-13-9

Polysciences

02156-250

Diallyl Maleate

250 g

1392

999-21-3

Polysciences

02214-1

Diethylene glycol dimethacrylate

1 kg

1840

2358-84-1

Polysciences

02214-100

Diethylene glycol dimethacrylate

100 g

528

2358-84-1

Polysciences

02215-1

Diethylene glycol diacrylate (DEGDA)

1 kg

1904

4074-88-8

Polysciences

02215-100

Diethylene glycol diacrylate (DEGDA)

100 g

592

4074-88-8

Polysciences

0223A-5

Osmium tetroxide, crystalline, 99.95% – 5x1g

5×1 g

8112

 

Polysciences

0223B-10

Osmium tetroxide, crystalline, 99.95% – 10x1g

10×1 g

15120

 

Polysciences

0223C-10

Osmium tetroxide, crystalline, 99.95% – 10×1/2g

10×1/2 g

8832

 

Polysciences

0223D-10

Osmium tetroxide, crystalline, 99.95% – 10×1/4g

10×1/4 g

4896

 

Polysciences

02257-500

2-(N,N-Dimethylamino)ethyl acrylate

500 g

2000

2439-35-2

Polysciences

0226A-800

JB-4® Embedding Kit – Solution A (Monomer)

800 ml

4016

 

Polysciences

0226B-30

JB-4® Embedding Kit – Solution B (Accelerator)

30 ml

576

64-19-7

Polysciences

02270-25

N,N-Dimethylmethacrylamide

25 g

2592

6976-91-6

Polysciences

02302-25

Ethylene glycol diacrylate (EGDA)

25 g

5776

2274-11-5

Polysciences

02308-50

Poly(ethylene/maleic anhydride) 1:1 (molar)

50 g

1248

9006-26-2

Polysciences

02322-10

N-Ethylmethacrylamide

10 g

7856

7370-88-9

Polysciences

02334-500

Epon® Resin 828

500 g

1872

25068-38-6

Polysciences

02348-5

Poly(maleic anhydride)

5 g

2896

24937-72-2

Polysciences

02364-100

Polyethylene glycol dimethacrylate (PEGDMA 600)

100 g

2190

25852-47-5

Polysciences

02371-100

Polyethylenimine, branched (MW 600)

100 g

1296

9002-98-6

Polysciences

02371-500

Polyethylenimine, Branched, Mw 600 (bPEI 600)

500 g

2864

9002-98-6

Polysciences

02401-10

Hexafluoro-iso-propyl methacrylate

10 g

1216

3063-94-3

Polysciences

02410-50

N-(ɣ-L-Glutamyl)-4-methoxy-2-naphthylamine

50 mg

3936

24723-50-0

Polysciences

02411-100

n-Hexyl acrylate, min. 98%

100 g

1584

2499-95-8

Polysciences

02428-50

Poly(N-vinylcarbazole)

50 g

6432

25067-59-8

Polysciences

02429-25

N-Vinylcarbazole

25 g

4144

1484-13-5

Polysciences

02452-500

Poly(iso-butyl methacrylate) fine powder, [η] = 0.60

500 g

1904

9011-15-8

Polysciences

02455-100

N-iso-Propylacrylamide

100 g

2784

2210-25-5

Polysciences

02455-25

N-iso-Propylacrylamide

25 g

800

2210-25-5

Polysciences

02461-250

n-Dodecyl methacrylate

250 g

2064

142-90-5

Polysciences

02487-100

2-Methoxyethyl acrylate

100 g

2272

3121-61-7

Polysciences

0256A-12

BEEM® Capsule Holders, Regular (heat curing), Size 00

12 holders

6270

 

Polysciences

0256A-3

BEEM® Capsule Holders, Regular (heat curing), Size 00

3 holders

1729

 

Polysciences

02570-25

Aniline blue, C.I. 42755, Certified, Water-soluble

25 g

1520

28631-66-5

Polysciences

02597-50

2-Sulfoethyl methacrylate, >90%

50 g

2336

10595-80-9

Polysciences

02599-940

Batson's #17 Monomer base solution

940 ml

3792

80-62-6

Polysciences

02600-1

Poly/Bed 502 kit, Luft's Formula

1 kit

1856

 

Polysciences

02608-100

Batson's #17 Catalyst

100 ml

912

67-64-1

Polysciences

02610-50

Batson's #17 Promoter

50 ml

912

84-74-2

Polysciences

02615-1

Embedding Molds – Silicone, Flat

1 mold

1216

 

Polysciences

02618-12

JB-4® Embedding Kit – Catalyst (Benzoyl Peroxide, Plasticized)

12 g

624

 

Polysciences

02622-25

2,2,2-Trifluoroethyl methacrylate

25 g

5664

 

Polysciences

02640-100

2-Phenoxyethyl methacrylate

100 g

2016

10595-06-9

Polysciences

02642-10

Phenyl acrylate, min. 95%

10 g

4704

937-41-7

Polysciences

02644-10

Phenyl methacrylate, >95%

100 g

2192

2177-70-0

Polysciences

02648-10

Poly(vinyl cinnamate)

10 g

1968

9050-06-0

Polysciences

02654-250

Tetraethylene glycol dimethacrylate

250 g

1728

109-17-1

Polysciences

02654-50

Tetraethylene glycol dimethacrylate

50 g

864

109-17-1

Polysciences

02655-25

Triethylene glycol diacrylate (TriEGDA)

25 g

512

1680-21-3

Polysciences

02655-250

Triethylene glycol diacrylate (TriEGDA)

250 g

2000

1680-21-3

Polysciences

02658-250

1,1,1- Trimethylolpropane triacrylate (TriMPTA)

250 g

2384

 

Polysciences

02659-250

1,1,1-Trimethylolpropane trimethacrylate

250 g

1024

3290-92-4

Polysciences

02660-25

3,3,5-Trimethylcyclohexyl methacrylate

25 g

2832

7779-31-9

Polysciences

02668-100

4-Vinylpyridine

100 g

1200

100-43-6

Polysciences

02679-25

n-Octyl methacrylate, Technical grade  ~95%

25 g

2368

 

Polysciences

02718-100

Chloromethylstyrene, 43% para, 57% meta, ~96%

100 g

2048

30030-25-2

Polysciences

02718-500

Chloromethylstyrene, 43% para, 57% meta, ~96%

500 g

4624

30030-25-2

Polysciences

02730-25

Chlorazole black E, C.I. 30235, certified

25 g

1696

1937-37-7

Polysciences

02736-25

Congo red, C.I. 22120, certified (Direct red 28)

25 g

1712

573-58-0

Polysciences

02740-50

Eosin Y, C.I. 45380, certified

50 g

912

17372-87-1

Polysciences

02745-100

Fast green FCF, C.I. 42053, certified

100 g

4304

2353-45-9

Polysciences

02745-25

Fast green FCF, C.I. 42053, certified

25 g

1536

2353-45-9

Polysciences

02746-100

Ilford emulsions – K5

100 cc

36928

7785-23-1

Polysciences

02746-50

Ilford emulsions – K5

 50 cc

22320

7785-23-1

Polysciences

02747-50

Ilford emulsions – L4

 50 cc

22384

7785-23-1

Polysciences

02749-100

Hematoxylin, C.I. 75290, certified (Natural black 1)

100 g

4272

517-28-2

Polysciences

02749-25

Hematoxylin, C.I. 75290, certified (Natural black 1)

25 g

1360

517-28-2

Polysciences

02753-25

Light green SF yellowish, C.I. 42095, certified

25 g

1728

5141-20-8

Polysciences

02757-100

Ilford emulsions – K2

100 cc

36912

7785-23-1

Polysciences

02757-50

Ilford emulsions – K2

 50 cc

22384

7785-23-1

Polysciences

02782-25

Safranin O, C.I. 50240, certified

25 g

1168

477-73-6

Polysciences

 

polysciences 21759-1*


polysciences 21759-1*

尼龙羊毛纤维,注射器(γ辐照)

尼龙毛柱(Nylon Wool Fiber Syringe)-T细胞分离用

Nylon Wool Fiber, Syringe (Gamma Irradiated)

 

Catalog No. Packaging Size Price
21759-1 10 syringes

$238.00

 

 

描述

尼龙羊毛纤维可用于从外周血中分离白细胞并从B细胞中分离T细胞。粒细胞和B细胞粘附在纤维上,而T细胞和其他细胞则不粘。

准备使用,在10cc注射器中使用500mg预包装尼龙羊毛纤维。

10cc预装注射器Gamma处理25.0 – 40.0 kGy。

危害: 

无害使用正常的预防措施

处理: 

运动正常护理

存储: 

在室温下储存

 

 

上海金畔生物科技有限公司是实验试剂一站式采购服务商

1:强大的进口辐射能力,血清、抗体、耗材、大部分限制进口品等。

2:产品种类齐全,经营超过700多品牌,基本涵盖所有生物实验试剂耗材。

3:提供加急服务,货品一般1-2周到货。

4:富有竞争力的价格优势,绝大部分价格有优势。

5:多年积累良好的信誉,大部分客户提供货到付款服务。客户包括清华、北大、交大、复旦、中山等100多所高校,ROCHE,阿斯利康、国药、fisher等知药企。

6:我们还是Santa,Advanced Biotechnologies Inc,Athens Research & Technology,bangs,BBInternational,crystalchem,dianova,FD Neurotechnologies,Inc. FormuMax Scientific,Inc, Genebridege, Glycotope Biotechnology GmbH; iduron,Innovative Research of America, Ludger, neuroprobe,omicronbio, Polysciences,prospecbi, QA-BIO,quickzyme,RESEARCH DIETS,INC,sterlitech;sysy,TriLink BioTechnologies,Inc;worthington-biochem,zyagen等几十家国外公司代理。

7:我们还是invitrogen,qiagen,MiraiBioam,sigma;neb,roche,merck, rnd,BD, GE,pierce,BioLegend等知*批发,欢迎合作。

polysciences 尼龙毛柱 大量现货

世界*实验材料供应商Polysciences上海金畔生物为其中国代理,Polysciences 在一直是行业的*,一直为广大科研客户提供zui为的产品和服务,上海金畔生物一直秉承为中国科研客户带来的产品,的服务, Polysciences 就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们zui大的收获

Polysciences 中国代理,Polysciences 上海代理,Polysciences北京代理,Polysciences 广东代理,Polysciences 江苏代理 Polysciences 湖北代理, Polysciences 天津, Polysciences 黑龙江代理, Polysciences内蒙古代理, Polysciences 吉林代理, Polysciences 福建代理, Polysciences 江苏代理, Polysciences 浙江代理, Polysciences 四川代理,

美国POLYSCIENCES公司成立于1961年,主要生产和经营LIFE SCIENCES生命科学(胶体金,不含甲醛的甲醇等),病理学和显镜学 微球和粒子和磁珠各种单体和聚体等产品。polysciences公司是世界上zui大zui全的多聚化合物供应商,同时是世界*的免疫学,组织化学试剂耗材供应商.

常规产品如PEI  尼龙毛 微球等

21759-1 Nylon Wool Fiber, Sterile (尼龙毛柱) 10 syringes Polysciences

polysciences 21759-1  尼龙毛柱 大量现货,*

 

部分产品报价如下:

货号

品名

报价

规格

品牌

16280-450

Villanueva Osteochrome Bone Stain

2496

450 ml

Polysciences

07314-5

Polybead Microspheres 45.00um

2160

5 ml

Polysciences

15709-15

Polybead Polystyrene Blue Dyed Microsphere 0.50um

1800

15 ml

Polysciences

15913-10

Polybead Carboxylate Microspheres 0.05um

1800

10 ml

Polysciences

18606-20

Aqua-Poly/Mount

1104

20 ml

Polysciences

23966-2

Polyethylenimine, Linear (MW 25,000)

6720

2 g

Polysciences

24765-2

Polyethylenimine “Max”, (nominally Mw 40,000*) – High Potency Linear PEI (Equivalent to Mw 25,000

8000

2 g

Polysciences

19824-1

Polystyrene Beads, Large

2235

1 g

Polysciences

18369-10

尼龙毛 Nylon wool fiber

1254

10 g

Polysciences

18369-50

Nylon Wool Fiber

3705

50 g

Polysciences

19517-10

Uvitex 2B

1328

10 g

Polysciences

18646A-1

Peel-A-Way Embedding Mold 22x22x20mm

2375

288支/箱

Polysciences

18646B-1

Peel-A-Way Embedding Mold 22x30x20mm

2375

288支/箱

Polysciences

18646c-1

Peel-A-Way Embedding Mold 22x40x20mm

2375

264支/箱

Polysciences

18985-1

Peel-A-Way Embedding Mold22x22x20mm 低8x8MM

2375

288支/箱

Polysciences

18986-1

Peel-A-Way Embedding Mold 22x22x20MM 低12x12MM

2375

288支/箱

Polysciences

22247-1

Poly-L-Lysine Coated Microscope Slides

1178

1 box

Polysciences

 

 

Polysciences/23966-2现货 /PEI

  PEI转染手册

转染操作流程:
 
  1、细胞传代:

转染前24h内分离293T细胞至含10%胎牛血清的DMEM培养基 中进行传代培养,接种密度如下:
         6孔板:0.5×106细胞
         10cm培养皿:4.0×106细胞
         15cm培养皿:9.0×106细胞

2、转染

转染前将所有试剂置于室温。

2.1质粒DNA的稀释

在无菌试管中,用无血清的DMEM W / O酚红培养基(浓度为10%)稀释质粒DNA(ug)。病毒包装体(psPAX2):病毒包膜(pMD2G)和重组质粒DNA的稀释比例分别为4:2:1。
       

6孔板:200ul+3ug的DNA
        10cm培养皿:1ml+7-8ug的DNA
        15cm培养皿:2ml+11-12ug的DNA

   2.2 转染复合体形成

将PEI(1ug/uL)加入已稀释的总DNA中,PEI与DNA(ug)的混合比率为3:1。加入后立即涡旋混合。
      

 6孔板:9ul PEI复合体(1ug/ul)=9ug
        10cm培养皿:21ul PEI复合体(1ug/ul)=21ug
        15cm培养皿:33ul PEI复合体(1ug/ul)=33ug
将添加到细胞的DNA/ PEI的混合物在室温下孵育15分钟。

4、收获转染细胞

转染后48小时内收获转染细胞/或病毒上清。
 
试剂的配制:
PEI(1ug/ul) Polysciences(CAT#23966-2配制成储液:)
1、将无内毒素的无菌水加热至80℃左右溶解PEI,冷却到室温。
2、调整pH值至7.0,用0.22um的滤器过滤消毒,分装后储存在-20℃。工作液可保持在4℃

订货信息

 

货号

品名

价格¥

规格

品牌

备注

23966-2

POLYETHYLENIMINE LINEAR

6720

2 g

polysciences

大量现货

24765-2

POLYETHYLENEIMINE 'MAX'

8000

2 g

polysciences

转染效率高30% 更好溶解

C4058L1080

EZ Trans细胞转染液

200

1ml

Life iLab

23966配制

C4058L1082

EZ Trans细胞转染液

1800

50ml

Life iLab

23966配制

C4058L1084

EZ Trans细胞转染液

5500

500ml

Life iLab

23966配制

C4058L1090

EZ Trans细胞转染液

200

1ml

Life iLab

24765配制

C4058L1092

EZ Trans细胞转染液

1800

50ml

Life iLab

24765配制

C4058L1094

EZ Trans细胞转染液

5600

500ml

Life iLab

24765配制

78004qf01

POLYETHYLENIMINE LINEAR

1432

1g

jinpanbio

23966分装

78005qf01

POLYETHYLENEIMINE 'MAX'(40 000M.W.*

1592

1g

jinpanbio

24765分装

友情提醒:
Polyethylenimine, Linear (MW 25,000) 23966-2为Polysciences公司生产的化合物产品,每批产品出厂前都经过严格的检测,保证每批产品都*、稳定且高品质,但由于作为转染试剂使用过程中有很多实验室因素(PH,水纯度,称量的准度,dna纯度…)造成溶解出现问题或者转染效率出现差异,所以厂家只受理该产品纯度,分子量及重量缺失破损等相关投诉,针对极个别客户溶解问题和转染效率问题我们只能友善解决,所以不能保证您能获得满意答复,对于产品应用方法的问题,不作为评价我们售后工作的依据。
如果我们提供的PEI手册都无法解答您的问题,建议您可以多看文献,多调整一下转染条件,找出适合自己细胞的转染方法。如果无暇摸索条件,您也可以直接购买我们EZ Trans细胞转染液,这样免去您很多烦恼,谢谢理解

Polysciences 23966-2  Polyethylenimine, Linear (MW 25,000)   大量现货,*

 

我们公司zui大优势是强大的采购,

1:基本什么都能进口,血清,抗体,耗材,还有部分限制进口的,

2:货品全,现经营过700多个品牌,基本所有生物试剂耗材都可以进口,特别是冷偏的产品那就更有优势,

3:提供加急服务,一般1-2周到货,超过时限加急费全免

4:价格公道,绝大部分价格有优势,当然不能保证100%产品都是,因为意味着没有服务.

5:良好的信誉,大部分客户我们提供货到付款服务,客户包括清华,北大 交大 复旦,中山等100多所大学,ROCHE,阿斯利康,国药 ,fisher等500多家公司

6:我们*代理的品牌有:Antibody Research Corporation,arcticzymes,Biorelevant,chiralix,clemente-associates,clodronaiposomes,Columbia Biosciences,enzyme research,Gene Bridges GmbH,Genovis,Glycotope Biotechnology GmbH,Haematologic Technologies HTI Haemtech,hookelabs,Immudex,Innovative Research of America,inspiralis ,List Biological Laboratories, Inc.,lumafluor,Microsurfaces,multiplicom,nanotools,Pel-Freez Biologicals,pentapharm,progen,Protein Ark,QA-Bio,Inc,QA-Bio,IncQuickZyme Biosciences,Teknova,TriLink BioTechnologies, Inc.,Zyagen Laboratories 等

代理Polysciences代理证书

Polysciences公司是一家成立于1961致力于特殊技精细化学试剂、实验室产品,单/多聚体等产品的研发供应,所提供的产品服务于组织学(显微技术)、生物技术、电子技术、护理及制药工程等多个领域。Polysciences公司成立之初的主要产品为电镜样品制备的相关产品,目前该产品线延伸为多种组织学研究产品,包括多种方式与用途的样品包埋、的染料及诊断试剂盒。同时Polysciences在对物质分离和纯化的努力中逐步发展出超顺磁性微珠,用于DNA、蛋白质、多肽的分离纯化产品,成为生命科学研究中物质分离、新蛋白(多肽)发现及功能研究的有力武器。此外,Polysciences还在高纯度单/多聚体产品领域独树一帜,通过多种技术增强单/多聚体的关键特性,并将其应用于医疗器械的研发与生产,目前Polysciences已将聚合物延伸到电子多聚体领域。公司秉承为应用而研发,目前已拥有超过3000种产品。

 

代理证书如下:

公司主要产品:

一、生命科学大类:

公司提供的生命科学研究产品涵盖微生物学、组织病理学、细胞生物学、分子生物学等领域,其中:

1、细胞培养类产品:包括多种标准菌株(含不同包装形式)及培养管、细胞培养袋、胰蛋白酶、胶原酶、牛血清白蛋白(BSA)、组织匀浆器、蛋白酶K等。

2、组织病理学研究产品:该产品类目下包括酸性品红、吖啶黄、天狼星红、甲苯胺蓝染液、H.E染液、吉母萨染液、瑞特染液、四色染液等常用组织病理学染液,特染类染料及试剂、透明剂、脱水剂、脱钙产品,以及各种常用组织固定液(适用于冰冻切片、石蜡包埋、电镜样品制备),载玻片、盖玻片以及微生物标准片等。

3、电镜样品制备产品:该产品类目下包括,各种材料的制片网格、各种规格的电镜切片刀片及包埋耗材以及免疫金染色试剂。

4、分子生物学研究产品:该产品类目下包括,DNA/RNA/蛋白质染料、DNA纯化试剂、纳米金颗粒(分子标记产品)及神经元示踪产品。

二、单/多聚体大类:

1、单体:该产品类目下包括种类繁多的苯乙烯单体,含胺/羟基单体,丙烯酸单体

2、多聚体:该产品类目下包括含胺基或卤素的多聚体(如壳聚糖、聚(4-乙烯基吡啶)、氟化乙烯丙烯聚合物等),可生物降解类多聚体(如PLGA微珠、硫酸乙酰肝素等)基水溶性多聚体等。(详细产品请登录公司:

3、标准分子量多聚体:该产品类目下包括分子量从2000130万的聚丙烯酸聚合体,分子量从1002万的乙二醇聚合体,分子量从600035万的甲基丙烯酸甲酯聚合体等标准聚合体。

4、单/多聚体研究常用器具、抑制剂清除柱等。

三、微珠产品大类:

1、微珠标准品:该产品类目下提供符合美国国家标准与技术研究所(NIST)标准的尺寸微珠,包括纳米微珠、微珠、特大微珠三类,各类下又含有不同直径的微珠。

2、细胞分离产品:该产品类目下提供表面为多聚体材料的ProMag™ & ProMag™细胞分离磁珠及BioMag®超顺磁性细胞分离微珠等产品。可用于分离如人CD 2/3/4/8/11b/14/16/1934/45/56/71阳性细胞,小鼠 CD4+, CD8a+, CD45R+ 淋巴细胞,以及用于细胞标记与分选等。

3、凝聚实验产品:该产品类目下提供不同大小的蓝//绿//橙色染料羧酸盐微珠、黑///紫色微珠、聚苯乙烯基类微珠、丙烯酸盐类微珠、表面氨基酸类微珠、羧基类微珠、羟基类微珠、磺基类微珠等,广泛用于诊断试剂(盒)的研发与生产。

4、荧光/流式细胞术类产品:该产品类目下提供荧光聚苯乙烯基聚合微珠(含单色及多色微珠,多色即在不同激发光照射下发放不同颜色和荧光),多种流式细胞仪校准颗粒以及流式细胞标准颗粒。

四、电子材料大类:该产品类目下包括一族超纯的微电子级胶囊密封材料、粘附剂、包被及封装材料。