分类目录归档：Hampton蛋白结晶

Hampton 盖玻片分配器 Glass Cover Slide Gizmo Dispenser

发表于由

Hampton 盖玻片分配器 Glass Cover Slide Gizmo Dispenser

APPLICATIONS

  • Dispense circle or square cover slides for hanging drop crystallization

FEATURES

  • Dispense siliconized or plain cover slides
  • Platform displays one to six cover slides at a time for 18 and 22 mm slides
  • Black platform for slides allows one to see if drops are clear or precipitated
  • Available for 12, 18 or 22 mm diameter cover slides for either original (0.22 mm) and thick (0.96 mm)
  • Platform displays one to twelve cover slides at a time for 12 mm slides

HR8-163 Cover Slide Gizmo for 22 x 0.96 mm Circle

DESCRIPTION

The Cover Slide Gizmo dispenses siliconized or plain slides for convenient drop building during hanging drop vapor diffusion crystallization. Load the cover slides into the dispenser. A clear plastic cover or sealed dispenser keeps slides clean. Slide the loaded dispenser along the platform and six cover slides are dispensed onto the platform. A black background on the platform makes for easy drop visualization as one builds the drop(s). Use finger or forceps to place the completed cover slides onto the crystallization plate.

Each Cover Slide Gizmo includes a single cover so you only need to order HR8-166 if you lose the cover for the HR8-162 or HR8-164. Manual operation, no power required. See the Glass Cover Slide Gizmo Dispenser at work at minute 1:06.

CAT NO NAME DESCRIPTION
HR8-167 Cover Slide Gizmo Dispenser for 12 x 0.22 mm circle cover slides
HR8-168 Cover Slide Gizmo Dispenser for 12 x 0.96 mm circle cover slides
HR8-169 Cover Slide Gizmo Dispenser for 18 x 0.22 mm circle cover slides
HR8-170 Cover Slide Gizmo Dispenser for 18 x 0.96 mm circle cover slides
HR8-162 Cover Slide Gizmo Dispenser for 22 x 0.22 mm circle cover slides
HR8-163 Cover Slide Gizmo Dispenser for 22 x 0.96 mm Circle Cover Slides
HR8-164 Cover Slide Gizmo Dispenser for 22 x 0.22 mm square cover slides
HR8-165 Cover Slide Gizmo Dispenser for 22 x 0.96 mm square cover slides
HR8-166 Replacement Cover Fits HR8-162 or HR8-164

Hampton 22mm硅化盖玻片 22 mm Siliconized Glass Cover Slides

发表于由

Hampton 22mm硅化盖玻片 22 mm Siliconized Glass Cover Slides

APPLICATIONS

  • Siliconized glass cover slides for hanging & sitting drop crystallization.
  • Hanging drop crystallization
  • Sitting drop crystallization
  • Sandwich drop crystallization

FEATURES

  • High purity of glass
  • Siliconized, hydrophobic glass surface.
  • 0.22 mm & 0.96 mm glass thickness
  • 22 mm glass diameter
  • Circle & square
  • 0.22 mm glass thickness is UV Compatible (>85% transmission)

HR3-231/HR3-233 22 mm x 0.22 mm Siliconized circle cover slide (left) and HR3-247/HR3-249 22 mm x 0.96 mm Thick siliconized circle cover slide (right)

DESCRIPTION

Siliconized glass cover slides allow a droplet to be suspended in a position which provides near optimal conditions for vapor diffusion with the surrounding reservoir solution.

These siliconized glass cover slides provide a consistent, high quality finish for crystallization experiments. The hydrophobic surface produces a drop which “stands well” and does not flatten on the glass. The siliconized surface prevents the adhesion of crystals and precipitate onto the glass surface. Use Dow Corning Vacuum Grease (HR3-510) or Dow Corning 7 Release Compound (HR3-508) to seal cover slide to plate. Available in 12, 18 or 22 mm diameter circles and 22 mm diameter squares. Available in 0.22 mm or 0.96 mm glass thickness. The 0.96 mm thick slides are virtually unbreakable during crystallization handling.

Critical surface tension Untreated glass 78 dynes/cm Siliconized glass 31 dynes/cm Surface resistivity Untreated glass 1×1012 ohms Siliconized glass 1.2 x 1013 ohms Coefficient of friction static, glass slide on glass slide Untreated 0.9-1.0 Siliconized 0.2-0.3 Protein adsorption (100 hours) Untreated glass 0.13 mg/mm2 Siliconized glass 0.01-0.02 mg/mm2

The following slides are UV transmissible (>85%):
HR3-277 and HR3-279 – 12 mm x 0.22 mm Siliconized circle cover slides
HR3-231 and HR3-233 – 22 mm x 0.22 mm Siliconized circle cover slides
HR3-239 and HR3-241 – 18 mm x 0.22 mm Siliconized circle cover slides
HR3-215 and HR3-217 – 22 mm x 0.22 mm Siliconized square cover slides

应用

  • 硅化玻璃罩滑片，用于悬挂和坐滴结晶。
  • 悬滴结晶
  • 坐滴结晶
  • 夹层滴结晶

特征

  • 高纯玻璃
  • 硅化疏水玻璃表面。
  • 0.22毫米及0.96毫米玻璃厚度
  • 22毫米玻璃直径
  • 圆与方
  • 0.22毫米玻璃厚度与紫外线兼容(透射率>85%)

描述

硅化玻璃覆盖幻灯片允许一个液滴悬浮在一个位置，为周围的储油层溶液的蒸汽扩散提供了近乎最佳的条件。

这些硅化玻璃覆盖幻灯片提供了一个一致的，高质量的完成结晶实验。疏水性表面会产生一滴“很好”的水滴，在玻璃上不会变平。硅化表面防止晶体粘附并沉淀到玻璃表面。使用陶氏康宁真空润滑脂(HR3-510)或陶氏康宁7释放化合物(HR3-508)密封滑动板。可在12，18或22毫米直径圆和22毫米直径方格。有0.22毫米或0.96毫米玻璃厚度。0.96毫米厚的幻灯片在晶化处理过程中几乎是不可破碎的。

临界表面张力未处理玻璃78 dynes/cm硅化玻璃31 dynes/cm表面电阻率未处理玻璃1×1012欧姆硅化玻璃1.2×1013欧姆摩擦系数静态，玻璃玻片上未处理0.9~1.0硅化0.2~0.3蛋白吸附(100小时)未处理玻璃0.13mg/mm2硅化玻璃0.01-0.02mg/mm2

以下幻灯片为紫外线可传输(>85%)：
HR3-277和HR3-279-12毫米x 0.22毫米硅化圆盖幻灯片
HR3-231和HR3-233-22毫米x 0.22毫米硅化圆盖幻灯片
HR3-239和HR3-241-18毫米x 0.22毫米硅化圆盖幻灯片
HR3-215和HR3-217-22毫米x 0.22毫米硅化方盖幻灯片

CAT NO NAME DESCRIPTION
HR3-231 22 mm x 0.22 mm Siliconized circle cover slides 1.0 ounce pack (~120 slides)
HR3-233 22 mm x 0.22 mm Siliconized circle cover slides 10.0 ounce case (~1,200 slides)
HR3-247 22 mm x 0.96 mm Thick Siliconized circle cover slides 3 ounce pack (~75 slides)
HR3-249 22mmx 0.96mm Thick Siliconized circle cover slides 30.0 ounce case (~750 slides)
HR3-215 22 mm x 0.22 mm Siliconized square cover slides 1.0 ounce pack (~100 slides)
HR3-217 22 mm x 0.22 mm Siliconized square cover slides 10.0 ounce case (~1,000 slides)
HR3-223 22mmx0.96mm Thick Siliconized square cover slides 4.0 ounce pack (~75 slides)
HR3-225 22mmx0.96mm Thick Siliconized square cover slides 40.0 ounce case (~750 slides)

Hampton 18 mm硅化盖玻片 18 mm Siliconized Glass Cover Slides

发表于由

Hampton 18 mm硅化盖玻片 18 mm Siliconized Glass Cover Slides

应用

  • 用于悬挂和坐滴结晶的硅化玻璃盖板滑片
  • 悬滴结晶
  • 坐滴结晶
  • 夹层滴结晶

特征

  • 高纯玻璃
  • 硅化的、疏水性玻璃表面
  • 0.22毫米及0.96毫米玻璃厚度
  • 18毫米玻璃直径
  • 圆
  • 0.22毫米玻璃厚度与紫外线兼容(透射率>85%)

描述

硅化玻璃覆盖幻灯片允许一个液滴悬浮在一个位置，为周围的储油层溶液的蒸汽扩散提供了近乎最佳的条件。

这些硅化玻璃覆盖幻灯片提供了一个一致的，高质量的完成结晶实验。疏水性表面会产生一滴“很好”的水滴，在玻璃上不会变平。硅化表面防止晶体粘附并沉淀到玻璃表面。使用陶氏康宁真空润滑脂(HR3-510)或陶氏康宁7释放化合物(HR3-508)密封滑动板。可在12，18或22毫米直径圆和22毫米直径方格。有0.22毫米或0.96毫米玻璃厚度。0.96毫米厚的幻灯片在晶化处理过程中几乎是不可破碎的。

临界表面张力未处理玻璃78 dynes/cm硅化玻璃31 dynes/cm表面电阻率未处理玻璃1×1012欧姆硅化玻璃1.2×1013欧姆摩擦系数静态，玻璃玻片上未经处理的0.9-1.0硅化0.2-0.3蛋白吸附(100小时)未处理玻璃0.13mg/mm2硅化玻璃0.01-0.02 mg/mm2

以下幻灯片为紫外线可传输(>85%)：
HR3-277和HR3-279-12毫米x 0.22毫米硅化圆盖幻灯片
HR3-231和HR3-233-22毫米x 0.22毫米硅化圆盖幻灯片
HR3-239和HR3-241-18毫米x 0.22毫米硅化圆盖幻灯片
HR3-215和HR3-217-22毫米x 0.22毫米硅化方盖幻灯片

APPLICATIONS

  • Siliconized glass cover slides for hanging & sitting drop crystallization
  • Hanging drop crystallization
  • Sitting drop crystallization
  • Sandwich drop crystallization

FEATURES

  • High purity of glass
  • Siliconized, hydrophobic glass surface
  • 0.22 mm & 0.96 mm glass thickness
  • 18 mm glass diameter
  • Circle
  • 0.22 mm glass thickness is UV Compatible (>85% transmission)

DESCRIPTION

Siliconized glass cover slides allow a droplet to be suspended in a position which provides near optimal conditions for vapor diffusion with the surrounding reservoir solution.

These siliconized glass cover slides provide a consistent, high quality finish for crystallization experiments. The hydrophobic surface produces a drop which “stands well” and does not flatten on the glass. The siliconized surface prevents the adhesion of crystals and precipitate onto the glass surface. Use Dow Corning Vacuum Grease (HR3-510) or Dow Corning 7 Release Compound (HR3-508) to seal cover slide to plate. Available in 12, 18 or 22 mm diameter circles and 22 mm diameter squares. Available in 0.22 mm or 0.96 mm glass thickness. The 0.96 mm thick slides are virtually unbreakable during crystallization handling.

Critical surface tension Untreated glass 78 dynes/cm Siliconized glass 31 dynes/cm Surface resistivity Untreated glass 1×1012 ohms Siliconized glass 1.2 x 1013 ohms Coefficient of friction static, glass slide on glass slide Untreated 0.9-1.0 Siliconized 0.2-0.3 Protein adsorption (100 hours) Untreated glass 0.13 mg/mm2 Siliconized glass 0.01-0.02 mg/mm2

The following slides are UV transmissible (>85%):
HR3-277 and HR3-279 – 12 mm x 0.22 mm Siliconized circle cover slides
HR3-231 and HR3-233 – 22 mm x 0.22 mm Siliconized circle cover slides
HR3-239 and HR3-241 – 18 mm x 0.22 mm Siliconized circle cover slides
HR3-215 and HR3-217 – 22 mm x 0.22 mm Siliconized square cover slides

CAT NO NAME DESCRIPTION
HR3-239 18 mm x 0.22 mm Siliconized circle cover slides 0.5 ounce pack (~100 slides)
HR3-241 18 mm x 0.22 mm Siliconized circle cover slides 5.0 ounce case (~1,000 slides)
HR3-515 18mmx0.96mm Thick Siliconized circle cover slides 1 oz pack (~45 slides)
HR3-517 18mmx0.96mm Thick Siliconized circle cover slides 10 oz case (~450 slides)

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

发表于由

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

Applications  应用
Microbatch crystallization    microbatch 结晶
Features  特征
Under oil crystallization 在油中结晶
Protect the sample from oxidation  保护样品免于氧化
Screen different temperatures without condensation   屏幕不同温度下不凝结
Description   描述 
Oils used for microbatch and modified microbatch crystallization under oil.

使用的油和改性 microbatch microbatch 结晶油。

Al’s Oil is a 50:50 (volume:volume) mixture of Paraffin Oil and Silicon Oil. Al’s Oil is named after it’s inventor, Allan D’Arcy.

Al 是机油的 50 ∶ 50 (体积 ∶ 体积) 混合物的石蜡油和硅油。Al 的石油是其发明者的名字命名 ， Allan D ‘Arcy) 。

Paraffin & Silicon Oil

Paraffin oil
Synonym: Mineral oil
CAS Number [8042-47-5]
EC Number 232-455-8
RTECS PY8047000
MDL Number MFCD00131611
Appearance Colorless, clear, viscous liquid
Refractive Index n20/D 1.467 (literature) n20/D 1.468
IR Spectroscopy Grade
Density 0.838 g/mL at 25°C (literature) 0.85 g/ml at 20°C
Viscosity 40-42 CST at 25°C

Silicon Oil 
Synonyms: Octamethyltrisiloxane
CAS Number: 107-51-7
Appearance: Colorless, clear viscous liquid
Melting Point: -86°C
Boiling Point: 152°C
Refractive Index: 1.38 at 25°C
Viscosity: 1 CST at 25°C
Specific Gravity: 0.82 at 25°C
Density: 0.82 g/mL at 25°C
Surface Tension: 17.4 mN/m

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

CAT NO NAME DESCRIPTION
HR3-411 Paraffin Oil 100% – 250 ml
HR3-421 Paraffin Oil 100% – 1 L
HR3-415 Silicon Oil 100% – 250 ml
HR3-423 Silicon Oil 100% – 1 L
HR3-413 Al’s Oil (50:50 Paraffin:Silicon) – 250 ml
HR3-417 Combo Oil Pack (Paraffin, Al’s, & Silicon Oil) – 250 ml of each

Hampton 结晶板封口膜ClearSeal Film™ and Applicator

发表于由
Hampton 结晶板封口膜ClearSeal Film™ and Applicator
上海金畔生物代理Hampton蛋白结晶试剂耗材，欢迎访问Hampton官网或者咨询我们获取更多产品信息。

Applications 应用

Sealing film used to seal sitting drop crystallization experiments  使用密封膜来密封座滴结晶实验

Features  特征
1.High optical clarity, low auto-fluorescence
2.Easy to handle film; easy to remove liner
3.Pressure sensitive adhesive
4.For best results use specially designed applicator
5.UV transmissable, compatible with UV imaging systems
6.Low birefringence
7.Certified DNase-, RNase-, and nucleic-acid-free
8.Silicone adhesive is non-tacky until pressed against the sealing surface with the applicator
9.Chemically inert; no extractable except at extreme pH
10.Excellent chemical resistance (e.g. DMSO, Methanol, Acetonitrile)
11.Heat and cold resistant, recommended for temperatures from -70°C and 110°C

特征
高光学透明度、低自体荧光
膜易于处理 ；易拆卸衬垫
压力敏感粘合剂
为了获得最佳效果 ， 请使用专门设计的涂抹器
传染性紫外、紫外成像系统兼容
低双折射
认证 DNase – ， RNase – ， 和核酸的游离
硅酮粘合剂是无粘性的 ， 直到压在密封表面与涂抹器
化学惰性的 ；除了极端 pH 不能提取优异的耐化学性 (如。DMSO 、甲醇、乙腈)
耐热耐寒 ， 温度从 – 70 ° C 至 110 ° C

ClearSeal Film™ and Applicator
ClearSeal Film™ and Applicator
ClearSeal Film Before and After

Description
ClearSeal Film fits all SBS format 96 well plates. Minimal evaporation, minimal cross-well contamination, easy to handle, and optically clear. Single coated, 2 mil (0.05 mm), optically clear polyolefin film with pressure-sensitive silicone-based adhesive. Supplied as a 141 mm x 78 mm film with white polyester release liner (backing). Actual seal area after end tabs removed is 120 x 78 mm Seals well to polypropylene, polystyrene, and polycarbonate plates. Compatible with aqueous and organic solvents. Suitable for use between -70 and 110°C. For best seal, the plate must be sealed with the Film Sealing Paddle HR4-513. ClearSeal Film has a limited shelf life. Must be used before expiration date printed on box. Each pack of film (HR4-521) includes one free Film Sealing Paddle (available separately as HR4-413).

HR4-413 Film Sealing Paddle, 3 7/8″ x 2 15/16″, polyethylene, white. 5 paddles per pack. An alternative to the plate roller or brayer for pressing films to assure a secure uniform seal around all wells on 96-well, 384-well, and 1536-well plates. These paddles are especially recommended for sealing films on raised-rim plates because they fit within the rim of the plate.

Store ClearSeal Filmm at 20°C +/- 10 degrees at 50% RH +/- 10%.

CAT NO NAME DESCRIPTION
HR4-521 ClearSeal Film 100 pack
HR4-413 Film Sealing Paddle 5 pack

Hampton HR2-643 Parabar 10312 Hampton代理

发表于由

Hampton HR2-643 Parabar 10312 Hampton代理

Hampton蛋白结晶试剂耗材
Hampton Research代理
欢迎访问Hampton Research官网或者咨询我们获取更多有关蛋白结晶试剂耗材产品信息。

Parabar 10312 (previously known as Paratone)

Parabar 10312 (previously known as Paratone)

HR2-643 Parabar 10312 100 ml bottle

Parabar 10312 (previously known as Paratone)

HR2-862 Parabar 10312 5 ml bottle

Applications

Oil based cryoprotectant

Features

Synonyms used in the crystallographic literature: Paratone® N, Paratone® 8277, Infineum V8512

Oil based cryoprotectant

Description 
Parabar 10312 is a viscous cryoprotectant for both small and large molecule crystallography.1 Mildly air-unstable, small molecule compounds can be coated with Parabar under an inert atmosphere. The Parabar protected crystal sample can be cryocooled in a chilled nitrogen gas stream. Parabar has also been used successfully as a cryoprotectant for biological macromolecule crystals. Used during cryocrystallography to displace and reduce the amount of water (mother liquor, reagent) on the crystal after the crystal is mounted in a cryoloop. Coating the crystal with Parabar can minimize evaporation from the crystal and reduce exposure and slow diffusion of air (oxygen) to the crystal.

HR2-643 Parabar 10312 is supplied as 100 ml in an amber glass bottle, no applicator rod.

HR2-862 Parabar 10312 is supplied as 5 ml in an amber glass vial with glass applicator rod in screw cap lid.

The viscosity of Parabar can be reduced to improve handling with fragile needle and blade crystals by mixing 50:50 with Paraffin Oil.

Parabar is a blend of polyisobutylenes with a Staudinger molecular weight of about 20,000 and contains about 20% polymer.

Refractive index 1.48487 at 20 degrees Celsius.

Kinematic viscosity 641 cSt at 100 degrees Celsius. Kinematic viscosity ratio 2.05 at 100 degrees Celsius.

Clear to slightly hazy is appearance.

Synonyms used in the crystallographic literature: Paratone® N, Paratone® 8277, Infineum V8512

Paratone® is a registered trademark of Chevron Corporation.

CAT NO NAME DESCRIPTION
HR2-643 Parabar 10312 100 ml bottle, each
HR2-862 Parabar 10312 5 ml bottle with applicator rod, each

 

References
1. H. Hope, Cryocrystallography of biological macromolecules: a generally applicable method. Acta Cryst. (1988) B44, 22-26.
2. Structure of the ligand-binding domain (LBD) of human androgen receptor in complex with a selective modulator LGD2226. F. Wang, X.- Liu, H. Li, K.- Liang, J. N. Miner, M. Hong, E. A. Kallel, A. van Oeveren, L. Zhi and T. Jiang. Acta Cryst. (2006). F62, 1067-1071
3. H. Hope, Annu. Rev. Biophys. Chem. 1990 19:107-126
4. S. Parkin and H. Hope, J. Appl. Cryst. (1998) pages 945-953

Hampton HR4-521 ClearSeal Film™ and Applicator

发表于由

Hampton HR4-521 ClearSeal Film™ and Applicator

Applications
Sealing film used to seal sitting drop crystallization experiments

Features
High optical clarity, low auto-fluorescence
Easy to handle film; easy to remove liner
Pressure sensitive adhesive
For best results use specially designed applicator
UV transmissable, compatible with UV imaging systems
Low birefringence
Certified DNase-, RNase-, and nucleic-acid-free
Silicone adhesive is non-tacky until pressed against the sealing surface with the applicator
Chemically inert; no extractable except at extreme pH
Excellent chemical resistance (e.g. DMSO, Methanol, Acetonitrile)
Heat and cold resistant, recommended for temperatures from -70°C and 110°C

ClearSeal Film™ and Applicator

ClearSeal Film™ and Applicator

ClearSeal Film Before and After

Description
ClearSeal Film fits all SBS format 96 well plates. Minimal evaporation, minimal cross-well contamination, easy to handle, and optically clear. Single coated, 2 mil (0.05 mm), optically clear polyolefin film with pressure-sensitive silicone-based adhesive. Supplied as a 141 mm x 78 mm film with white polyester release liner (backing). Actual seal area after end tabs removed is 120 x 78 mm Seals well to polypropylene, polystyrene, and polycarbonate plates. Compatible with aqueous and organic solvents. Suitable for use between -70 and 110°C. For best seal, the plate must be sealed with the Film Sealing Paddle HR4-513. ClearSeal Film has a limited shelf life. Must be used before expiration date printed on box. Each pack of film (HR4-521) includes one free Film Sealing Paddle (available separately as HR4-413).

HR4-413 Film Sealing Paddle, 3 7/8″ x 2 15/16″, polyethylene, white. 5 paddles per pack. An alternative to the plate roller or brayer for pressing films to assure a secure uniform seal around all wells on 96-well, 384-well, and 1536-well plates. These paddles are especially recommended for sealing films on raised-rim plates because they fit within the rim of the plate.

Store ClearSeal Filmm at 20°C +/- 10 degrees at 50% RH +/- 10%.

Hampton HR4-729 CrystalWand™ Magnetic磁力结晶杆

发表于由

Hampton HR4-729 CrystalWand™ Magnetic磁力结晶杆

Applications

CrystalCap Magnetic & CrystalCap Copper Magnetic handling tool

Description
The CrystalWand Magnetic is designed to be used exclusively with the CrystalCap Magnetic, CrystalCap Copper Magnetic, and CrystalCap HT systems during transfer of the caps from the vial to the goniometer head and from the goniometer to the vial. The 6 1/2” (165 mm) long chrome plated steel wand features a plastic housing enclosing a spring tensioned plunger that when depressed, moves a non-magnetic steel platform away from the magnet housed in the end of the wand. This causes the steel CrystalCap to detach from the wand and be placed readily into the vial. When the platform is retracted, the wand securely holds the steel CrystalCap Magnetic.

CrystalWand™ Magnetic

CrystalWand™ Magnetic

CAT NO NAME DESCRIPTION
HR4-729 CrystalWand Magnetic, Straight each

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Hampton HR4-710 Izit Crystal Dye

发表于由

Hampton HR4-710 Izit Crystal Dye

Hampton research蛋白结晶试剂代理–上海金畔生物

代理优势：货期3-4周。

欢迎访问Hampton research官网或者咨询我们获取更多产品信息。

Applications
Differentiate protein crystals from salt crystals
Features
0.22 micron sterile filtered solution
Small molecule dye penetrates solvent channels of macromolecular crystals, coloring the crystals blue
Salt crystals cannot absorb Izit and remain colorless
Differentiate protein and non-protein based phase separation
Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25掳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/碌L)

Izit Crystal Dye

Izit coloring protein phase separation blue

Izit Crystal Dye

Crystals before Izit

Izit Crystal Dye

Crystals after Izit

Description
A crystal! Is it protein or is it salt? Have you ever asked yourself this question? Sure you could mount the crystal in question and take a quick look at the diffraction pattern but perhaps you’re too lazy or you don’t have an x-ray facility. Well, there’s always the crush test. One simply takes a MicroTool™ or Crystal Probe™ and crushes the suspect crystal. A click or solid crunch is indicative of salt while a powder or silent destruction might indicate one just destroyed a perfectly good protein crystal. Izit is here to help. Simply place 1 µl of Izit in the sample drop and wait for an hour or so. Izit is a small molecule dye which will fill the solvent channels in protein crystals, coloring the crystals blue. With the appropriate dilution, Izit will in fact leave a clear drop with blue crystals, as illustrated in the picture above. Salt crystals do not possess these large solvent channels. Therefore, Izit cannot enter the crystal, leaving one with a clear crystal and a blue drop. Izit is especially nice for small microcrystals or questionable precipitate. The 0.5 ml vial of Izit is sufficient for more than thousands of crystallization drops.

Each Izit vial contains 0.5 ml of Izit dye. All solutions are formulated using ultra-pure water and are sterile filtered. Crystallization accessories are sold separately.

CAT NO NAME DESCRIPTION
HR4-710 Izit Crystal Dye 0.5 ml vial

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Hampton HR2-643 Parabar 10312 (previously known as Paratone)

发表于由

Hampton HR2-643 Parabar 10312 (previously known as Paratone)

Hampton research蛋白结晶试剂代理–上海金畔生物

代理优势：货期3-4周。

欢迎访问Hampton research官网或者咨询我们获取更多产品信息。

Applications
Oil based cryoprotectant
Features
Synonyms used in the crystallographic literature: Paratone  N, Paratone  8277, Infineum V8512
Oil based cryoprotectant

Description
Parabar 10312 is a viscous cryoprotectant for both small and large molecule crystallography.1 Mildly air-unstable, small molecule compounds can be coated with Parabar under an inert atmosphere. The Parabar protected crystal sample can be cryocooled in a chilled nitrogen gas stream. Parabar has also been used successfully as a cryoprotectant for biological macromolecule crystals. Used during cryocrystallography to displace and reduce the amount of water (mother liquor, reagent) on the crystal after the crystal is mounted in a cryoloop. Coating the crystal with Parabar can minimize evaporation from the crystal and reduce exposure and slow diffusion of air (oxygen) to the crystal.

HR2-643 Parabar 10312 is supplied as 100 ml in an amber glass bottle, no applicator rod.

HR2-862 Parabar 10312 is supplied as 5 ml in an amber glass vial with glass applicator rod in screw cap lid.

The viscosity of Parabar can be reduced to improve handling with fragile needle and blade crystals by mixing 50:50 with Paraffin Oil.

Parabar is a blend of polyisobutylenes with a Staudinger molecular weight of about 20,000 and contains about 20% polymer.

Refractive index 1.48487 at 20 degrees Celsius.

Kinematic viscosity 641 cSt at 100 degrees Celsius. Kinematic viscosity ratio 2.05 at 100 degrees Celsius.

Clear to slightly hazy is appearance.

Synonyms used in the crystallographic literature: Paratone® N, Paratone® 8277, Infineum V8512

Paratone® is a registered trademark of Chevron Corporation.

Parabar 10312 (previously known as Paratone)

HR2-643 Parabar 10312 100 ml bottle

Parabar 10312 (previously known as Paratone)

HR2-862 Parabar 10312 5 ml bottle

Parabar 10312 (previously known as Paratone)

Amber glass vial and applicator rod used with HR2-862

CAT NO NAME DESCRIPTION
HR2-643 Parabar 10312 100 ml bottle, each
HR2-862 Parabar 10312 5 ml bottle with applicator rod, each

Lumiprobe代理（Cy系列活性荧光染料） wako日本和光代理(表面张力测试试剂、日立氨基酸分析仪配套试剂、低聚果糖标准品、Anti Iba1, Rabbit抗体)  日本关东化学Kanto试剂代理  日本柴田科学Sibata代理 日本Advantec滤纸滤膜代理 日本共立理化学代理  Megazyme代理  Hampton代理（蛋白结晶） whatman代理（whatman滤膜、whatman滤纸） 修饰性PEG(单分散短链小分子PEG)  Laysan bio修饰性PEG代理  NANOC进口PEG代理  Avanti进口修饰性PEG代理  GE代理（蛋白纯化柱及填料）  Amresco代理  Sigma优势代理  Roche酶代理 TCI代理  MPbio代理（动物肠膜炎DSS） Merck Millipore代理   NEB酶代理  Abcam代理  CST代理  Santa Cruz代理  Biolegend代理 Invitrogen代理   millipore代理  BD流式抗体代理   GeneTe x抗体代理  Novus抗体代理  R&D代理  ebioscience代理  Biovison代理  Jackson代理  MBL抗体代理  ProSpec抗体代理  Bethyl抗体代理  Antibody Revolution抗体代理  Torrey Pines Biolabs代理 Toyobo酶代理  TRC标准品代理 USP代理  EP代理  Dr代理 Reagecon代理   Corning康宁（培养皿、培养板）代理  Axygen代理  Falcon耗材代理   Nunc耗材代理 Nalgene耐洁耗材代理  NEST耗材代理  OXOID代理 NISSUI日水培养基代理 Himedia培养基代理 BD培养基代理（灭活结核杆菌231141） Cellgro培养基代理   Eppendorf代理  Bio-Rad伯乐代理  wheaton代理 Labnet代理  Rearch dites、Harlan品牌动物饲料代理 标准品代理 抗体代理 酶试剂代理Elisa试剂盒代理、柔软型灌胃针 小鼠灌胃针、小鼠记号笔、进口动物玩具 动物投药胶囊。