Serine-Free
Overview
Serine-Free denotes chemical products intentionally formulated without the amino acid L-serine or its derivatives. This exclusion is critical for applications where serine's biochemical activity could compromise experimental results or product stability. The category encompasses various compounds, from simple buffers to complex growth media. Manufacturers achieve serine-free status through rigorous purification processes or synthetic pathways that avoid serine incorporation. The global market for these specialized chemicals serves pharmaceutical R&D, diagnostic kit production, and precision fermentation industries requiring strict control over amino acid profiles.
Physical and Chemical Properties
The properties of serine-free products vary significantly based on their base composition. Powder forms typically exhibit white to off-white coloration with free-flowing characteristics, while liquid formulations are clear to slightly opalescent. pH ranges generally match biological systems (6.0-7.5) for compatibility. Key chemical characteristics include undetectable serine levels (<0.01% by HPLC analysis in premium grades) and maintained stability of other components. Thermal properties depend on the primary chemical matrix, though most demonstrate decomposition rather than clear melting points. Solubility profiles are tailored to end-use requirements, with water-soluble versions being most common.
Main Applications
In cell culture technology, serine-free media enable studies of serine auxotrophy and metabolic pathway analysis. Pharmaceutical manufacturers utilize these formulations to prevent unwanted serine interference in enzyme production or antibody development processes. The diagnostic industry employs serine-free reagents for assays measuring endogenous serine levels or related metabolites. Emerging applications include synthetic biology platforms where orthogonal translation systems require controlled amino acid environments. Nutritional science utilizes serine-free mixes for researching metabolic disorders like serine deficiency syndromes.
Safety and Storage
Most serine-free chemicals present minimal acute hazards, with typical NFPA ratings of 1 for health and flammability. However, some formulations may contain reactive components necessitating inert atmosphere storage. Moisture-sensitive variants require desiccated conditions with <10% relative humidity. Standard laboratory PPE (gloves, eye protection) suffices for handling. Shelf lives range from 6 months for liquid preparations to 2 years for lyophilized products when stored at recommended temperatures (-20°C to +25°C depending on formulation). Users should verify sterility requirements for cell culture applications.
B2B Procurement Guide
Industrial buyers should specify required documentation including Certificate of Analysis (CoA), heavy metal content reports, and sterilization validation where applicable. Bulk purchases (25kg+) typically attract 15-30% price reductions compared to research-grade quantities. Lead times vary from 2 weeks for standard formulations to 8 weeks for customized profiles. Reputable suppliers provide batch-specific HPLC chromatograms confirming serine absence. Consider vendor capabilities for GMP production if manufacturing therapeutic products. Logistics planning should account for temperature control needs during transit.
Related Manufacturers
- 主营：感受态、扁桃体、淋巴管、丝氨酸、干细胞、狗血浆、羊血浆、导管癌、原细胞、青霉素、营养液、无酚红、癌细胞、小细胞、胰腺癌、输尿管、抗凝鸡、缓冲液、鸭血清、猪血清、人韧带、培养基、肝素钠、牛血浆、马血清、白细胞
- 主营：染色液、感受态、滴定法、丝氨酸、试剂盒、鸡血清、保存液、赖氨酸、狗血浆、脯氨酸、抗凝牛、猫血清、苏木素、巴氏法、缬氨酸、乙酸锂、类器官、青霉素、无酚红、苏氨酸、色氨酸、酪氨酸、pbs干粉、噻唑蓝、硫酸镁、鲑鱼精
- 主营：猫血清、缓冲液、马血清、不含丝氨酸、鸭血清、狗血清、猴血清、青霉素、白细胞、红细胞、兔血清、鸡血清、驴血清、猪血清、骡ab血清、大鼠血清、牛蛙血清、小鼠血清、胎牛血清、鳟鱼血清、豚鼠血清、山羊血清、胰酶溶液、仓鼠血清、小牛血清、绵羊血清
- 主营：培养基、动物红细胞、原代细胞、不含丝氨酸可定制、细胞系、Elisa试剂盒
- 主营：蛋白染色液、细胞培养基定制、内皮细胞培养基ECM、丝氨酸、豚鼠红细胞、大鼠细胞、小鼠红细胞
- 主营：甘氨酸、胍基乙酸、牛磺酸、丝氨酸、沙蒿胶、黄原胶、卡拉胶、瓜尔豆胶、半胱氨酸、氨基丁酸、L-精氨酸、食品级亚硫酸氢钠、苯丙氨酸、谷氨酰胺、酪蛋白酸钠、胱氨酸、色氨酸、肌酸、富硒酵母、富铬酵母、氯化胆碱、魔芋粉、可可粉、L-抗坏血酸/vc、亮氨酸、干酪素/酪蛋白
- 主营：石油醚、四氢噻吩、顺酐、丝氨酸、苯酐
- 主营：食品配料、酶制剂、提取物、丝氨酸、有机硒、无机硒、有机化学原料、无机化学原料
- 主营：乙二醇、二甲基亚砜、丙二醇、丝氨酸、精对苯二甲酸、己二酸、聚乙烯醇、聚乙二醇、木质素、甘油、三甘醇、己内酰胺、叔十二硫醇、白油、对苯二甲酸二甲酯、4-丁二醇
- 主营：丝氨酸、递送辅料、dlin-mc3-dma、peg衍生物
- 主营：丝氨酸、试剂盒、ELISA试剂盒、ELISA检测试剂盒
- 主营：试剂盒、elisa试剂盒、细胞、丝氨酸、pcr试剂盒
- 主营：elisa试剂盒、生化试剂盒、抗体、丝氨酸、细胞、pcr试剂盒
- 主营：科研试剂盒、酶免试剂盒、elisa试剂盒、丝氨酸、细胞、生物试剂、进口ELISA试剂盒、PCR试剂盒、生化测试盒
- 主营：枸杞粉、抑甜剂、海藻糖、丝氨酸、香葱粉、南瓜粉、白砂糖、魔芋粉、瓜尔豆胶、低酯果胶、甜菊糖苷、低聚果糖、结晶果糖、抗氧化剂、异抗坏血酸、微晶纤维素、低聚麦芽糖、大豆低聚糖、脱氢乙酸钠、甲基纤维素、预胶化淀粉、抗坏血酸钙、液体甜味剂、复合稳定剂、二氢查耳酮、粉末增稠剂
- 主营：ELISA试剂盒、PCR试剂盒、生化试剂盒、丝氨酸、蛋白、抗体、细胞