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Description
bsa fatty acid free cho vero mdckPremium fr CHO, Vero, MDCK & sensitive Assays SeamlessBio Bovine Serum Albumin Fatty Acid Free ist speziell aufgereinigt, um gebundene Fettsuren zu entfernen, die in Standard BSA natrlich vorkommen. Mit 98% Reinheit und <5 EU mg Endotoxin ist es die erste Wahl fr Fettsure sensitive Zelllinien (CHO, Vero, MDCK) und Lipid Metabolismus Studien. Fatty Acid Free >99% FA Entfernung durch Charcoal Delipidation Reinheit 98% Hher als Standard BSA Low Endotoxin
Premium für CHO, Vero, MDCK & sensitive Assays
SeamlessBio Bovine Serum Albumin Fatty Acid Free ist speziell aufgereinigt, um gebundene Fettsäuren zu entfernen, die in Standard-BSA natürlich vorkommen. Mit ≥98% Reinheit und <5 EU/mg Endotoxin ist es die erste Wahl für Fettsäure-sensitive Zelllinien (CHO, Vero, MDCK) und Lipid-Metabolismus-Studien.
✓ Fatty Acid Free – >99% FA-Entfernung durch Charcoal-Delipidation
✓ Reinheit ≥98% – Höher als Standard-BSA
✓ Low Endotoxin <5 EU/mg – LAL-tested
✓ Keine Interferenz – Ideal für Lipid-sensitive Assays
✓ AU/NZ/US Origin – BSE/TSE-frei
✓ Reinheit ≥98% – Höher als Standard-BSA
✓ Low Endotoxin <5 EU/mg – LAL-tested
✓ Keine Interferenz – Ideal für Lipid-sensitive Assays
✓ AU/NZ/US Origin – BSE/TSE-frei
Warum Fatty Acid Free BSA?
Standard-BSA enthält natürlich gebundene Fettsäuren (~0.5-2 mol FA pro mol BSA), hauptsächlich:
- Palmitate (C16:0) – Gesättigte Fettsäure
- Stearate (C18:0) – Gesättigte Fettsäure
- Oleate (C18:1) – Einfach ungesättigte Fettsäure
- Linoleate (C18:2) – Mehrfach ungesättigte Fettsäure
Probleme in bestimmten Anwendungen:
- Zellkultur: CHO, Vero, MDCK sind sensitiv gegenüber exogenen Fettsäuren → veränderte Wachstumsraten, beeinträchtigte Produktqualität
- Lipid-Metabolismus-Studien: Native FA interferieren mit Messungen von Lipid-Transportern, Beta-Oxidation, Lipoprotein-Metabolismus
- Hormon-Assays: FA beeinflussen Steroid-Bindung (Testosteron, Estrogen, Cortisol)
- Drug-Binding-Studies: FA konkurrieren um Bindungsstellen am Albumin
Lösung: Fatty Acid Free BSA eliminiert diese Probleme durch Charcoal-Delipidation (Aktivkohle-Behandlung) → >99% FA-Entfernung.
Technische Spezifikationen
| Parameter | Spezifikation | Test-Methode |
|---|---|---|
| Quelle | Rinderplasma (AU/NZ/US) | COO-Zertifikat |
| Reinheit | ≥98% | Elektrophorese |
| Fettsäure-Gehalt | <0.01 mol FA/mol BSA | GC-MS (>99% Entfernung) |
| Endotoxin | <5 EU/mg | LAL-Test |
| Albumin-Gehalt | ≥98 g/L | Bradford/BCA |
| Monomere | ≥95% | SEC-HPLC |
| pH-Wert | 6.8-7.5 | pH-Meter |
| Format | Lyophilized Powder | — |
| Lagerung | Raumtemperatur (versiegelt) | — |
| Haltbarkeit | 3 Jahre | — |
Standard vs. Fatty Acid Free BSA
| Eigenschaft | Standard BSA | Fatty Acid Free BSA |
|---|---|---|
| Fettsäure-Gehalt | 0.5-2 mol FA/mol BSA | <0.01 mol FA/mol BSA |
| Reinheit | ≥96% | ≥98% |
| Endotoxin | <10 EU/mg | <5 EU/mg |
| Ideal für | Western Blot, ELISA, Protein-Standard | CHO/Vero/MDCK, Lipid-Studien |
Anwendungen
1. CHO/Vero/MDCK Zellkultur
Warum diese Zelllinien Fatty Acid Free BSA brauchen:
CHO (Chinese Hamster Ovary):
- Biomanufacturing von monoklonalen Antikörpern (mAbs) und rekombinanten Proteinen
- Exogene Fettsäuren stören Glykosylierung und Produktqualität
- FDA/EMA bevorzugen FA-freie Supplements für GMP-Produktion
- Typische Konzentration: 0.5-2 g/L in serum-freien Medien
Vero (African Green Monkey Kidney):
- Vaccine Production (Polio, Rabies, Rotavirus, Dengue)
- WHO-zertifizierte Zelllinie für humane Impfstoffe
- FA-freie Bedingungen sind essentiell für regulatorische Compliance
- Verbesserte Virus-Titer bei FA-freiem BSA
MDCK (Madin-Darby Canine Kidney):
- Influenza-Vaccine Production (saisonale und pandemische Impfstoffe)
- FDA bevorzugt FA-freie Supplements
- Höhere HA (Hemagglutinin) Ausbeute
2. Lipid-Metabolismus & Fatty Acid Uptake Studies
Studien zu Lipid-Transportern:
- CD36 (Fatty Acid Translocase): Uptake-Assays ohne Background durch native FA
- FATP (Fatty Acid Transport Protein): Spezifische FA-Aufnahme-Studien
- FABPpm (Plasma Membrane Fatty Acid Binding Protein): Bindungs-Studien
Beta-Oxidation-Assays:
- Messung der mitochondrialen FA-Oxidation
- Keine Interferenz durch BSA-gebundene FA
- Verwendung radioaktiv-markierter FA (z.B. 14C-Palmitat)
Lipoprotein-Metabolismus:
- HDL/LDL-Studien
- Apolipoprotein-Bindung
- CETP (Cholesteryl Ester Transfer Protein) Aktivität
Adipozyten-Differenzierung:
- 3T3-L1 Präadipozyten → Adipozyten
- Kontrollierte FA-Zugabe für Lipid-Akkumulation
- Oil Red O Färbung ohne Background
3. Hormone-Binding Studies
Thyroid Hormone (T3, T4) Binding:
- FA konkurrieren um Bindungsstellen am Albumin
- Fatty Acid Free BSA ermöglicht präzise Bindungsstudien
- Wichtig für Schilddrüsen-Diagnostik
Steroid Hormone Assays:
- Estrogen, Testosteron, Cortisol, Progesteron
- FA beeinflussen Protein-Bindung
- Wichtig für Endokrinologie-Forschung
Drug-Protein Binding Studies:
- Pharmakokinetik-Studien
- Kompetition zwischen Drug und FA um Albumin-Bindungsstellen
- Wichtig für Drug Development
4. Serum-freie Medien Formulierung
- Präzise Kontrolle über Lipid-Zusammensetzung
- Gezielte Zugabe definierter Fettsäuren (z.B. Oleic Acid, Linoleic Acid)
- Reproduzierbare Zellkultur-Bedingungen
- GMP-konforme Medien-Entwicklung
Verfügbare Volumina
| Format | Packaging | Ideal für |
|---|---|---|
| Lyophilized Powder | 10 g | Kleine Labs, Methodenentwicklung |
| Lyophilized Powder | 50 g | Routine-Forschung |
| Lyophilized Powder | 100 g | High-throughput Labs |
| Lyophilized Powder | 500 g | Bioproduktion, GMP |
Andere Volumina & Bulk-Orders: Größere Mengen (≥1 kg) sowie kundenspezifische Formate sind auf Anfrage verfügbar. Kontaktieren Sie uns für ein individuelles Angebot.
Lagerung & Handling
Lagerung:
- Raumtemperatur (15-25°C), trocken, versiegelt
- Haltbarkeit: 3 Jahre ab Herstellung
- Nach Öffnen: Bei 2-8°C lagern, innerhalb 6 Monaten verbrauchen
Auflösen von Pulver:
- Langsam in Wasser oder Puffer (PBS, TBS) geben
- Vorsichtig schwenken (nicht vortexen)
- Bei Raumtemperatur oder 37°C lösen
- pH auf 7.0-7.4 einstellen
- 0.2 µm sterilfiltrieren für Zellkultur
Wichtig: Vermeiden Sie wiederholtes Einfrieren/Auftauen, da dies zu Proteinaggregation führen kann.
Herkunft & Qualitätssicherung
AU/NZ/US – BSE/TSE-freie Regionen (OIE-zertifiziert)
Jede Charge wird geliefert mit:
- Certificate of Analysis (CoA) – Vollständige Spezifikationen
- Certificate of Origin (COO) – AU/NZ/US Herkunft dokumentiert
- Fatty Acid Analysis (GC-MS) – <0.01 mol FA/mol BSA bestätigt
- Endotoxin-Test-Zertifikat (LAL) – <5 EU/mg bestätigt
- BSE/TSE-Freiheitserklärung
- Safety Data Sheet (SDS)
Warum SeamlessBio für BSA Fatty Acid Free?
- >99% FA-Entfernung – Charcoal-Delipidation validiert
- Reinheit ≥98% – Höher als Standard-BSA
- Low Endotoxin <5 EU/mg – Ideal für Zellkultur
- BSE/TSE-frei – AU/NZ/US Origin
- Schnelle EU-Lieferung – Lager in Deutschland, 1-3 Tage
- Kostenfreie Muster – 10g Test-Volume für qualifizierte Kunden
- Technischer Support – Bei Fragen zu Protokollen
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Decree its goodness!
Format: Paperback
A absolute must have. It has taught me so much. I also bought her second one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
★★★★★ 5
A book of Hope
Format: Paperback
This book is life changing! I have bought 2 of them for myself and I continue to buy more as gifts. The declarations in this book draw you close to the truth and teach you to walk in truth. Very uplifting and encouraging. A book of Hope
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Reviewed in the United States on October 6, 2025
★★★★★ 5
Powerful Little Book
Format: Kindle
I enjoyed this book so much that I have the kindle version and the paperback. Sometimes its hard to pray or I don’t know how to pray but I can grab this book and chose the topic I need in that moment. If I am out an about then I pull it up on the kindle app on the phone or iPad. It can be used daily to start your day. Lady’s she even includes a decree/prayer for energy and to keep our hormones balanced!!! It’s the very first decree/prayer in the book. For the end of the day there are decrees on restful sleep and visions and dreams from God. You can start your day with this book and end your day with it. Anything that pops up during the day that overwhelms you then this book probably has the decree you need in that very moment.
I really enjoy that it is written in such a way that I am not praying alone but praying in agreement with others. Where two or more agree on anything it will be done (paraphrased Matt 18-19) I can almost hear Brenda praying these with me sometimes. There is something very comforting knowing that you are not praying these alone.
This book has also helped/encouraged me to start writing my own scripture base decrees.
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Reviewed in the United States on June 13, 2021
★★★★★ 5
I highly recommend this book. If you aren't sure how to pray a PRAYER for a specific area in your life or a loved ones life. This is the book for you.
Format: Kindle
I rated it 5 stars because thru my whole life there have been situations PRAYER was needed. I didn't know how to word them. I would just say GOD please help or save my family members, pets, friends, neighbors and myself. From death, hurts, harms and from the enemy. I glorify and thank GOD for this book of decrees. There might be about 100 decrees. Each section is the title, the decree Brenda and others prayed for and are anointed by GOD, scripture from bible, then word of encouragement that gives you examples or what to do. In the word of encouragement it tells you how to decree it for yourself. So it's 2 decrees at the same time. The one Brenda an others prayed for and the one you decree yourself in JESUS name. AMEN. Remember where more than one pray for the same thing, believe it and it's ours. I will continue to read a few each day. It fills my soul with cheer and joy. GOD bless you. GOD is good. He created this decree book thru his servant for me and others who might need guidance in how to pray and decree.
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Reviewed in the United States on January 6, 2021
★★★★★ 5
Love this book
Format: Paperback
Love this book of daily decrees. It has so many different decrees you can use for different issues you are dealing with. I love the author. I purchased two of her books. Very useful. Would definitely recommend it.
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Reviewed in the United States on April 26, 2025