Life Science buffere
Balancerede saltopløsninger og pulvere, der anvendes til molekylære, protein-, nukleinsyre- og cellebiologiske anvendelser, herunder cellekultur, elektroforese, ELISA og kromatografiprocesser; tilgængelig i en række forskellige formuleringer og kvaliteter.
Bufferopløsninger tjener til at holde pH (surhed eller alkalinitet) næsten konstant i en række kemiske og biologiske anvendelser. For eksempel hjælper en bikarbonatbuffer med at opretholde pH-værdien i blodet, en bufferet saltvand opretholder cellulært indhold på et ensartet pH-niveau, og buffere hjælper med at opretholde et snævert pH-område for enzymer til at fungere korrekt.
De fleste biologiske prøver, der anvendes i forskning, holdes ved en pH på omkring 7,4. Almindelige biologiske buffere, der anvendes til vævskultur, omfatter Dulbeccos phosphatbufret saltvand (PBS), Tris-base, HEPES, MOPS, PIPES og andre formuleringer udviklet til specifikke cellelinjer eller anvendelser. De fleste buffere, der anvendes i cellekultur, er også DNase-, RNase- og proteasefrie.
Valget af buffer til en bestemt biologisk reaktion eller sted afhænger af flere faktorer:
- Ønsket temperatur eller
- mål pH-buffertoksicitet (til systemet)
- Buffer interaktioner med andre systemkomponenter
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Filtrerede søgeresultater
HEPES (fine hvide krystaller/molekylærbiologi), Fisher BioReagents™
Almindelig anvendt buffermiddel.
| Analyseprocentområde | ≥99 % |
|---|---|
| MDL nummer | MFCD00006158 |
| Kemisk navn eller materiale | HEPES |
| Sundhedsfare 3 | Emergency Overview Causes eye, skin, and respiratory tract irritation. Use personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Obtain medical attention. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Obtain medical attention. Do not induce vomiting. Obtain medical attention. Obtain medical attention. . NFPA Health:2 Flammability:1 Instability:1 |
| Sundhedsfare 2 | WARNING! |
| Opløselighedsinformation | Soluble in water |
| ChEBI | CHEBI:42334 |
| Absorbans | 0.01 max. (0.1M solution) at 280nm |
| DNase | DNase fri |
| Procent renhed | ≥99% |
| Merck Index | 15, 4689 |
| Identifikation | Pass Test |
| Farve | Hvid |
| Grad | Molekylær biologi |
| PubChem CID | 23831 |
| Anbefalet opbevaring | RT |
| Molekylvægt (g/mol) | 238.30 |
| CAS | 7365-45-9 |
| Protease | Protease free |
| pH | 5.0 to 6.5 |
| SMIL | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| Renhedsgrad noter | DNase-, RNase- and Protease-Free |
| InChI nøgle | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molekylær formel | C8H18N2O4S |
| ChemAlert Opbevaringssymbol | Gray |
| Kemisk navn eller materiale | Tris-EDTA |
|---|---|
| Sundhedsfare 3 | Emergency Overview May cause eye, skin, and respiratory tract irritation. Avoid contact with skin and eyes. Do not breathe dust. Do not breathe vapors or spray mist. Wash off immediately with soap and plenty of water removing all contaminated clothes and shoes. Obtain medical attention. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Remove from exposure, lie down. Move to fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration. If not breathing, give artificial respiration. Obtain medical attention. NFPA Health:1 Flammability:0 Instability:0 |
| Sundhedsfare 2 | CAUTION! |
| DNase | DNase fri |
| Fysisk form | Væske |
| Farve | Farveløs |
| Grad | Molekylær biologi |
| Navn note | 1X Solution, pH 8.0 |
| Anbefalet opbevaring | RT |
| CAS | 7732-18-5 |
| Protease | Protease free |
| Gennemfiltreret | Filtreret gennem et 5-mikron filter. |
| pH | 7.4 to 8.1 |
| Synonym | TE |
| ChemAlert Opbevaringssymbol | Gray |
MOPS (Fine White Crystals/Molecular Biology), Fisher BioReagents™
CAS: 1132-61-2 Molekylær formel: C7H15NO4S Molekylvægt (g/mol): 209.26 MDL nummer: MFCD00006183 InChI nøgle: DVLFYONBTKHTER-UHFFFAOYSA-N Synonym: 3-(4-Morpholino)propane sulfonic acid PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC navn: 3-morpholin-4-ylpropan-1-sulfonsyre SMIL: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
| MDL nummer | MFCD00006183 |
|---|---|
| PubChem CID | 70807 |
| Molekylvægt (g/mol) | 209.26 |
| CAS | 1132-61-2 |
| ChEBI | CHEBI:44115 |
| Synonym | 3-(4-Morpholino)propane sulfonic acid |
| SMIL | [O-]S(=O)(=O)CCC[NH+]1CCOCC1 |
| IUPAC navn | 3-morpholin-4-ylpropan-1-sulfonsyre |
| InChI nøgle | DVLFYONBTKHTER-UHFFFAOYSA-N |
| Molekylær formel | C7H15NO4S |
TE-buffer, Tris-EDTA, 100X opløsning, pH 8,0, molekylærbiologi, Fisher BioReagents™
| Navn note | 100X Solution |
|---|---|
| Kemisk navn eller materiale | Tris-EDTA |
| Anbefalet opbevaring | RT |
| Sundhedsfare 3 | Emergency Overview Irritating to eyes and skin. Wear personal protective equipment. Ensure adequate ventilation. Avoid contact with skin, eyes and clothing. Avoid ingestion and inhalation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Get medical attention immediately if symptoms occur. Do not induce vomiting. NFPA Health:2 Flammability:0 Instability:0 |
| Sundhedsfare 2 | WARNING! |
| CAS | 7732-18-5 |
| Protease | Protease free |
| Gennemfiltreret | Filtreret gennem et 0,2 mikron filter. |
| DNase | DNase fri |
| Fysisk form | Væske |
| Farve | Ikke udpeget |
| ChemAlert Opbevaringssymbol | Gray |
| Grad | Molekylær biologi |
Thermo Scientific Chemicals TRIS-pufret saltvand (TBS 10X) pH 7,4, for Western blot
CAS: 77-86-1 Molekylær formel: C4H11NO3 Molekylvægt (g/mol): 121.136 MDL nummer: MFCD00004679 InChI nøgle: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC navn: 2-amino-2-(hydroxymethyl)propan-1,3-diol SMIL: C(C(CO)(CO)N)O
| MDL nummer | MFCD00004679 |
|---|---|
| PubChem CID | 6503 |
| Molekylvægt (g/mol) | 121.136 |
| CAS | 77-86-1 |
| ChEBI | CHEBI:9754 |
| SMIL | C(C(CO)(CO)N)O |
| IUPAC navn | 2-amino-2-(hydroxymethyl)propan-1,3-diol |
| InChI nøgle | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molekylær formel | C4H11NO3 |
CAPS (Fine White Crystals), Fisher BioReagents
CAS: 1135-40-6 Molekylær formel: C9H19NO3S Molekylvægt (g/mol): 221.32 MDL nummer: MFCD00003837 InChI nøgle: PJWWRFATQTVXHA-UHFFFAOYSA-N Synonym: 3-Cyclohexylamino-1-propanesulfonic Acid PubChem CID: 70815 IUPAC navn: 3-(cyclohexylamino)propane-1-sulfonic acid SMIL: OS(=O)(=O)CCCNC1CCCCC1
| MDL nummer | MFCD00003837 |
|---|---|
| PubChem CID | 70815 |
| Molekylvægt (g/mol) | 221.32 |
| CAS | 1135-40-6 |
| Synonym | 3-Cyclohexylamino-1-propanesulfonic Acid |
| SMIL | OS(=O)(=O)CCCNC1CCCCC1 |
| IUPAC navn | 3-(cyclohexylamino)propane-1-sulfonic acid |
| InChI nøgle | PJWWRFATQTVXHA-UHFFFAOYSA-N |
| Molekylær formel | C9H19NO3S |
HEPES Sodium Salt (White Powder), Fisher BioReagents
CAS: 75277-39-3 Molekylær formel: C8H17N2NaO4S Molekylvægt (g/mol): 260.28 MDL nummer: MFCD00036463 InChI nøgle: RDZTWEVXRGYCFV-UHFFFAOYSA-M PubChem CID: 2724248 ChEBI: CHEBI:46758 IUPAC navn: sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate SMIL: [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1
| MDL nummer | MFCD00036463 |
|---|---|
| PubChem CID | 2724248 |
| Molekylvægt (g/mol) | 260.28 |
| CAS | 75277-39-3 |
| ChEBI | CHEBI:46758 |
| SMIL | [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1 |
| IUPAC navn | sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate |
| InChI nøgle | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| Molekylær formel | C8H17N2NaO4S |