Newborn Calf Sterile Filtered Serum (DAGC290)

Native Newborn Calf Sterile Filtered Serum

Product Overview
The raw materials for these products were collected from calves 10 days and younger in the USA in abattoirs registered with the USDA. The animals received ante and post-mortem inspections under a veterinarian's supervision and were apparently free from infectious and contagious diseases. At no time during collection or processing was the material commingled with any other material of animal origin.
Newborn Calf Serum
Alternative Names
Newborn Calf Serum; Serum; Calf Serum
0.2 micron (Absolute)
Hemoglobin: <30 mg/dl
Protein:>3.5 g/dl
100ml, 500ml
pH: 6.8 - 8.2
This serum is stable for ≥ 5 years when stored −20°C ± 5°C. Avoid repeated freezing and thawing.
Newborn Calf Serum; Serum; Calf Serum


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A simple and sensitive sensor for lactose based on cascade reactions in Au nanoclusters and enzymes co-encapsulated metal-organic frameworks


Authors: Guo, Manli; Chi, Jingtian; Zhang, Chi; Wang, Minglin; Liang, Hui; Hou, Juying; Ai, Shiyun; Li, Xiangyang

In this work, one kind of zeolite imidazole frameworks containing bovine serum albumin stabilized Au nanoclusters (AuNCs), beta-galactosidase (beta-Gal) and glucose oxidase (GOx) (AuNCs/beta-Gal/GOx@ZIF-8) were obtained to detect lactose. Compared with other fluorescent nano-materials, AuNCs show distinct advantages as a guest species in ZIF-8, specifically their extremely small size ( < 1 nm), simple synthesis, excellent biocompatibility and high stability. Furthermore, the bovine serum albumin on their surfaces can promote the formation of ZIF-8 coating; thus, AuNCs were co-encapsulated in ZIF-8 with the enzymes together. X-ray diffraction (XRD) analysis indicates the composite possesses the similar crystalline structure with pure ZIF-8. Fluorescence microscope images, Fourier transform infrared spectra and energy dispersive X-ray spectroscopy indicate the presence of AuNCs in the composite. Owing to the high local concentrations of the fluorescent probe and the quenching agent in AuNCs/beta-Gal/GOx@ZIF-8, the quenching rate was enhanced 3.4-fold that of free AuNCs and enzymes in solution.

Urchin-like trimanganese tetraoxide particles with oxidase-like activity for glutathione detection


Authors: Zheng, Xuefang; Lian, Qi; Zhou, Liya; Jiang, Yanjun; Gao, Jing

Urchin-like trimanganese tetroxide (Mn3O4) particles were synthesized through a simple and gentle method, and characterized by XRD, XPS, FTIR, SEM, TEM, and UV-vis absorption. The intrinsic enzyme-like activity of urchin-like Mn3O4 particles was evaluated by 3, 3', 5, 5'-tetramethylbenzidine (TMB) in the absence of H2O2. The optimization of experiment conditions of urchin-like Mn3O4 particles on the oxidase-like activity was further investigated. It was exhibited that urchin-like Mn3O4 particles were best-performing with a highly oxidase-like catalytic activity in the model reaction. Due to the selective inhibition of glutathione (GSH) on the high oxidase-like activity of urchin-like Mn3O4 particles, a selective and sensitive colorimetric assay for GSH had been established. The method exhibited linear relationship over the GSH concentration range from 0.1 mu M to 30 mu M, with a low detection limit of 20.0 nM and a rapid response of less than 3 min. Based on high specificity of GSH inhibition, urchin-like Mn3O4 particles could be used to detect GSH concentration in human serum samples. [GRAPHICS]

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