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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
4.1 ★★★★★
Based on 608 reviews
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Product Reviews
★★★★★ 4
Perfect size and weight with compact size
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I purchased the Amazon Basics Neoprene Dumbbell Hand Weights specifically for Pilates, and they’ve been a great addition to my routine. The size and weight are perfect for controlled movements, helping with muscle toning without feeling too bulky or awkward.
The neoprene coating gives them a comfortable, non-slip grip, which is especially important during longer sessions or when your hands get a little sweaty. They feel secure and easy to hold through a full workout.
I also like the shape—they don’t roll around on the floor, which makes transitions between exercises smoother and less frustrating. They’re compact enough to store easily but still feel durable and well-made.
Overall, these are a simple, affordable, and effective option for Pilates or light strength training. I’d definitely recommend them for anyone looking to add a little resistance to their workouts without overcomplicating things.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Well made , gym quality
Style: 10 Pound, Pair
Color is nice and bright . The weights grips are good they do not slip . Prices reflect quality
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good purchase
Style: 3 Pound, Pair
These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Solid, grippy, and they don’t roll away!
Style: 10 Pound, Pair
I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for.
The Pros:
• That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic.
• The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work.
• Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done.
• No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box.
The Cons:
• Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around.
• Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily.
The Verdict:
If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty.
The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home.
Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down.
They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price.
If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026
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