确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Journal of Structural Biology蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Books > Books > Journal of Structural Biology
Journal of Structural Biology
Features
- Editor: Alexander McPherson
- Publisher: Academic Press, Volume 142, Number 1, April 2003
- ISSN: 1047-8477
- Paperback: 231 pages
Description
This special issue of the Journal of Structural Biology focuses on Macromolecular Crystallization in the Structural Genomics Era. Following an Introduction by Alexander McPherson, there are 19 regular articles focused on the crystallization of biological macromolecules. If crystallization is your thing, you need this. Thanks to everyone contributing to this special issue. Well done everyone!

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CAT NO
HR8-100
NAME
DESCRIPTION
each
PRICE
$75.00
cart quote


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):6φ×4φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):5φ×3φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):4φ×2φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
BICINE Buffer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Buffers > BICINE Buffer
BICINE Buffer
Applications
- Crystallization grade BICINE buffer for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
BICINE
Synonyms: N,N-Bis(2-hydroxyethyl)glycine
C6H13NO4
Mr 163.17
CAS Number [150-25-4]
EC Number 205-755-1
Beilstein Registry Number 1769362
Merck 14,1201
RTECS MB9700000
MDL Number MFCD00004295
PubChem Substance ID 24891738
Purity ≥ 99.0%
pKa 8.3 at 20°C, 8.3 at 25°C
Useful pH Range 7.4-9.3
Titrate HR2-509 to useful pH range using NaOH
HR2-509 pH Range: 5.0 – 5.3 at 25°C
HR2-509 Measured Conductivity Range: 100.7 – 167.2 µS/cm at 25°C
HR2-509 Measured Refractive Index Range: 1.35769 – 1.35821 at 20°C
HR2-723 has been titrated to pH 9.0 using NaOH
HR2-723 Measured Conductivity Range: 23.9 – 25.0 mS/cm at 25°C
HR2-723 Measured Refractive Index Range: 1.36054 – 1.36122 at 20°C

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CAT NO
HR2-509
NAME
DESCRIPTION
100 mL
PRICE
$104.00
cart quote
CAT NO
HR2-723
NAME
DESCRIPTION
100 mL
PRICE
$104.00
cart quote
Support Material(s)



Certificate Of Analysis
Related Item(S)
- Sodium hydroxide
- Individual StockOptions Bicine Reagents
- StockOptions Bicine Buffer Kit
References
1. Crystallization and preliminary X-ray diffraction studies of a fungal hydrolase from Ophiostoma novo-ulmi. M. N. Isupov, A. A. Brindley, E. J. Hollingsworth, G. N. Murshudov, A. A. Vagin and J. A. Littlechild. Acta Cryst. (2004). D60, 1879-1882.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):3φ×1φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Stereopticon Stereo Viewer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Books > Book Supplies > Stereopticon Stereo Viewer
Stereopticon Stereo Viewer
Features
- Folding 3D viewer
Description
The Stereopticon is punched from black plastic and folds completely flat to fit inside a book. The Stereopticon uses plastic lenses.

Click to Zoom In
CAT NO
HR4-513
NAME
DESCRIPTION
each
PRICE
$11.00
cart quote
CAT NO
HR4-515
NAME
DESCRIPTION
10 pack
PRICE
$98.00
cart quote


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
|
|
|
- Contact Us
- Quick Order
- Support
|
- Privacy Policy
- Terms and Conditions
|
- Products
- Gallery
- My Account
- Support
- Contact Us
- Quick Order
- Privacy Policy
- Terms and Conditions
|
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© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):13φ×12φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):12φ×11φ、厚度(mm):0.5)日本三博特sanplatec
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):12φ×11φ、厚度(mm):0.5)
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):11φ×10φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):10φ×9φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):9φ×8φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
BIS-TRIS Buffer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Buffers > BIS-TRIS Buffer
BIS-TRIS Buffer
Applications
- Crystallization grade BIS-TRIS buffer for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
BIS-TRIS
Synonyms: 2,2-Bis(hydroxymethyl)-2,2′,2″”-nitrilotriethanol, or 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol, or Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane.
C8H19NO5
Mr 209.24
CAS Number [6976-37-0]
EC Number 230-237-7
Beilstein Registry Number 2205275
MDL Number MFCD00002853
Purity ≥ 98.0%
pKa = 6.4 at 20°C
pKa = 6.5 at 25°C
HR2-781 is titrated to pH 5.5 using HCl
Measured Conductivity Range of HR2-781: 38.4 – 43.1 mS/cm at 25°C
Measured Refractive Index of HR2-781: 1.37069 – 1.37150 at 20°C
HR2-783 is titrated to pH 6.5 using HCl
Measured Conductivity Range of HR2-783: 22.8 – 28.7 mS/cm at 25°C
Measured Refractive Index of HR2-783: 1.36817 – 1.36926 at 20°C
Al ≤0.0005%
Ca ≤0.0005%
Cl ≤0.05%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Mg ≤0.0005%
NH4 ≤0.05%
Na ≤0.005%
Pb ≤0.001%
SO4 ≤0.05%
Zn ≤0.0005%

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CAT NO
HR2-781
NAME
DESCRIPTION
100 mL
PRICE
$169.00
cart quote
CAT NO
HR2-783
NAME
DESCRIPTION
100 mL
PRICE
$169.00
cart quote
Support Material(s)


Certificate Of Analysis
Related Item(S)
- Hydrochloric acid
- StockOptions Bis-Tris Buffer Kit
- Individual StockOptions Bis-Tris Reagents
References
1. Atomic structure of the degraded procapsid particle of the bacteriophage G4: induced structural changes in the presence of calcium ions and functional implications. McKenna, R; Bowman, BR; Ilag, LL; Rossmann, MG; Fane, BA. J Mol Biol 256, 736- 750, 1996.
2. Expression, crystallization and preliminary X-ray diffraction study of FtsY, the docking protein of the signal recognition particle of E. coli. Montoya, G; Svensson, C; Luirink, J; Sinning, I. Proteins 28, 285- 288, 1997.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
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- Quick Order
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|
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- Terms and Conditions
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- Products
- Gallery
- My Account
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- Contact Us
- Quick Order
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- Terms and Conditions
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|
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© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):8φ×7φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):7φ×6φ、厚度(mm):0.5)日本三博特sanplatec
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):6φ×5φ、厚度(mm):0.5)
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Stereo Viewer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Books > Book Supplies > Stereo Viewer
Stereo Viewer
Features
- 3D stereo glasses with folding wire legs for compact storage.
- Interpupillary distance is adjustable to suit different users
Description
The Stereo Viewer features an adjustable nose bridge. It is made of high impact, crystal-clear plastic with a 2.2 magnification, 4.7 focal length and adjustable inter-pupillary distance.

Click to Zoom In
CAT NO
HR4-517
NAME
DESCRIPTION
each
PRICE
$15.00
cart quote


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
|
|
|
- Contact Us
- Quick Order
- Support
|
- Privacy Policy
- Terms and Conditions
|
- Products
- Gallery
- My Account
- Support
- Contact Us
- Quick Order
- Privacy Policy
- Terms and Conditions
|
|
|
|
|
|
|
© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):6φ×5φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):5φ×4φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):4φ×3φ、厚度(mm):0.5)日本三博特sanplatec
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):4φ×3φ、厚度(mm):0.5)
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):3φ×2φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
BIS-TRIS propane Buffer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Buffers > BIS-TRIS propane Buffer
BIS-TRIS propane Buffer
Applications
- Crystallization grade BIS-TRIS propane pH 7.0 for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
BIS-TRIS propane
Synonyms: 1,3-Bis[tris(hydroxymethyl)methylamino]propane
C11H26N2O6
CH2[CH2NHC(CH2OH)3]2
Mr 282.34
CAS Number [64431-96-5]
EC Number 264-899-3
Beilstein Registry Number 1786109
MDL Number MFCD00004689
PubChem Substance ID 24891934
Purity ≥ 99.0%
pKa1 = 6.8 at 25°C
pKa2 = 9.0 at 25°C
HR2-795 is titrated to pH 7.0 using HCl
Measured Conductivity Range: 41.9 – 43.5 mS/cm at 25°C
Measured Refractive Index Range: 1.39110 – 1.39222 at 20°C

Click to Zoom In
CAT NO
HR2-795
NAME
DESCRIPTION
100 mL
PRICE
$108.00
cart quote
Support Material(s)

Certificate Of Analysis
Related Item(S)
- Individual StockOptions Bis-Tris Propane Reagents
- Citric acid BIS-TRIS propane Buffer
References
1. Two-fold symmetry of crystalline DNA-EcoRI endonuclease recognition complexes. Grable, J; Frederick, CA; Samudzi, C; Jen-Jacobson, L; Lesser, D; Greene, P; Boyer, HW; Itakura, K; Rosenberg, JM. J Biomol Struct Dyn 1, 1149- 1160, 1984.
2. Non-native Local Interactions in Protein Folding and Stability: Introducing a Helical Tendency in the AII beta-Sheet alpha-Spectrin SH3 Domain. Prieto, J; Wilmans, M; Jimenez, MA; Rico, M; Serrano, L. J Mol Biol 268, 760- 778, 1997.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
|
|
|
- Contact Us
- Quick Order
- Support
|
- Privacy Policy
- Terms and Conditions
|
- Products
- Gallery
- My Account
- Support
- Contact Us
- Quick Order
- Privacy Policy
- Terms and Conditions
|
|
|
|
|
|
|
© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(10m)(外径×内径(mm):2φ×1φ、厚度(mm):0.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Ethylene imine polymer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Polymers > Ethylene imine polymer
Ethylene imine polymer
Applications
- Crystallization grade Ethylene imine polymer solution for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Ethylene imine polymer
Synonyms: PEI or Poly(ethylene imine) or Poly(ethyleneimine) solution or Ethyleneimine polymer solution
H2NCH2(C22H55N11)nCH2NH2
Mr 600,000 to 1,000,000
CAS [9002-98-6]
EC Number 205-793-9
MDL Number MFCD00084427
PubChem Substance ID 24845612
Sterile filtered solution
Density 1.08 g/mL at 20°C
Refractive Index N20/D: 1.440 – 1.455
Structural Viscosity: 18 – 40PAS
Appearance (Color): Faint yellow to yellow in color; clear to slightly opaque viscous liquid
Ethylene imine polymer is utilized in Crystal Screen 2 crystallization screen and StockOptions Polymer
Measured Refractive Index Range: 1.45032 – 1.45291 at 20°C
Measured Conductivity Range: 237.5 – 320.0 µS/cm at 25°C

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CAT NO
HR2-599
NAME
DESCRIPTION
200 mL
PRICE
$107.00
cart quote
Support Material(s)

Certificate Of Analysis
References
1. Acta Cryst. (2004). D60, 952-953, Crystallization of the mosquito-larvicidal binary toxin produced by Bacillus sphaericus A. W. Smith, A. Camara-Artigas and J. P. Allen.
2. Acta Cryst. (2010). D66, 685-697, A crystallization screen based on alternative polymeric precipitants, C. Grimm, A. Chari, K. Reuter and U. Fischer.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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PTFE管(聚四氟乙烯管)(1m)(外径×内径(mm):42φ×39φ、厚度(mm):1.5)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(1m)(外径×内径(mm):21φ×19φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
PTFE管(聚四氟乙烯管)(1m)(外径×内径(mm):18φ×16φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Citric acid Buffer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Buffers > Citric acid Buffer
Citric acid Buffer
Applications
- Crystallization grade Citric acid buffer for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Citric acid
Synonyms: Citric acid anhydrous
C6H8O7
HOC(COOH)(CH2COOH)2
Mr 192.13
CAS Number [77-92-9]
EC Number 201-069-1
Beilstein Registry Number 782061
Merck 14,2326
RTECS GE7350000
MDL Number MFCD00011669
PubChem Substance ID 24856611
Purity ≥ 99.5%
Useful pH range of citric acid as a buffer 2.2 – 6.5
pKa1 = 3.13
pKa2 = 4.76
pKa3 = 6.4
HR2-757 is titrated to pH 3.5 at 25 degrees Celsius using NaOH
Measured Conductivity Range: 28.7 – 33.3 mS/cm at 25°C
Measured Refractive Index Range: 1.36236 – 1.36329 at 20°C
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni ≤0.0005%
Oxalate (C2O4) ≤0.05%
Pb ≤0.0005%
PO4 ≤0.0005%
SO4 ≤0.002%
Sr ≤0.0005%
Tartrate (C4H4O6) ≤0.2%
Zn ≤0.0005%

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CAT NO
HR2-757
NAME
DESCRIPTION
100 mL
PRICE
$44.00
cart quote
Support Material(s)

Certificate Of Analysis
Related Item(S)
- Sodium hydroxide
- StockOptions Citric Acid Buffer Kit
- Individual StockOptions Citric Acid Reagents
References
1. Crystallization and preliminary X-ray structure solution of Rhizomucor miehei aspartic proteinase. Jia, Z; Vandonselaar, M; Schneider, P; Quail, JW. Acta Crystallogr D 51, 243- 244, 1995.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
|
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- Contact Us
- Quick Order
- Support
|
- Privacy Policy
- Terms and Conditions
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- Products
- Gallery
- My Account
- Support
- Contact Us
- Quick Order
- Privacy Policy
- Terms and Conditions
|
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© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet
PTFE管(聚四氟乙烯管)(1m)(外径×内径(mm):16φ×14φ、厚度(mm):1.0)日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索


●特点
.拥有不粘性。 有污秽难粘贴的特性。
在高温,高湿,高频域的情况下,电气特性的降低极少。所以适合电绝缘的用途。
.几乎任何气侯都可以使用。
.最高使用温度是260℃、不过连续使用时请在200℃以下使用。
.和PTFE管比较, PFA管是透明的。
Jeffamine ED-2001 pH 7.0蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒





Products > Optimize Reagents > Optimize – Polymers > Jeffamine ED-2001 pH 7.0
Jeffamine ED-2001 pH 7.0
Applications
- Crystallization grade Jeffamine ED-2001 pH 7.0 for formulating screens or for optimization
Features
- pH adjusted to 7 using HCl
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Jeffamine ED series are polyether diamines based on a predominantly PEG backbone. PEG imparts complete water solubility. The Jeffamine® ED-2001 have a representative structure illustrated in the accompanying Figure.
Jeffamine ED-2001
Synonym: O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol 1,900, Jeffamine® ED-2003
Mr ~2,000
CH3CH(NH2)CH2(OCH2CH2)nOCH2CH(NH2)CH3
CAS Number [65605-36-9]
MDL Number MFCD00197920
PubChem Substance ID 24848714
pH before titration with hydrochloric acid is > 10
Final measured pH of HR2-597 is 7.0
Appearance: Colorless to Very light yellow tint to yellow, clear solution
50% w/v in deionized water, sterile filtered (0.22 micron)
Measured Conductivity Range: 4.0 – 5.7 mS/cm at 25°C
Measured Refractive Index Range: 1.40572 – 1.40734 at 20°C
Jeffamine is a registered trademark of the Huntsman Petrochemical Corporation.

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CAT NO
HR2-597
NAME
DESCRIPTION
200 mL
PRICE
$127.00
cart quote
Support Material(s)

Certificate Of Analysis
Related Item(S)
- Index • Index HT
References
1. Preparation, crystallization and preliminary X-ray analysis of protein YtlP from Bacillus subtilis. C. Liu, D. Li, L. Hederstedt, L. Li, Y.-H. Liang and X.-D. Su. Acta Cryst. (2006). F62, 967-969.


Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
- Products
- Gallery
- My Account
|
|
|
- Contact Us
- Quick Order
- Support
|
- Privacy Policy
- Terms and Conditions
|
- Products
- Gallery
- My Account
- Support
- Contact Us
- Quick Order
- Privacy Policy
- Terms and Conditions
|
|
|
|
|
|
|
© 2022 HAMPTON RESEARCH CORP.
| Website by Skyhound Internet