Rat hemoglobin reference serum (DAGA-693)

Rat hemoglobin reference serum, native protein

Alternative Names
Rat; Hemoglobin; Serum
Batch dependent - please inquire should you have specific requirements
0.1% Sodium Azide
Frozen -20°C
Antigen Description
Hemoglobin is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates. Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the rest of the body. There it releases the oxygen to permit aerobic respiration to provide energy to power the functions of the organism in the process called metabolism.


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Infrapatellar fat pads participate in the development of knee osteoarthritis in obese patients via the activation of the NF-kappa B signaling pathway


Authors: Duan, Lijun; Ma, Yuan; Wang, Yonggui; Liu, Jijun; Tan, Zeen; Wu, Qi; Wu, Yonggang; Yu, Xing

The aim of the present study was to assess the activation of nuclear factor-kappa B (NF-kappa B) in the infrapatellar fat pads (IPFPs) of obese patients with knee osteoarthritis (KOA). For this purpose, 32 patients (22 obese patients with KOA and 10 patients with KOA with a healthy weight) treated with total knee arthroplasty (TKA) were selected. The expression levels of pro-inflammatory cytokines and adipocytokines, and the activation of NF-kappa B were detected in both the cases and controls by enzyme-linked immunosorbent assay (ELISA), western blot analysis and immunohistochemistry where appropriate. SPSS 18.0 software was used for statistical analysis to determine the correlation between obesity and the detected cytokine levels. It was found that in patients with KOA, the expression of leptin in the synovial fluid positively correlated with body mass index (BMI; P<0.05), and the expression of interleukin (IL)-6 in serum significantly correlated with the IL-1 beta, leptin and tumor necrosis factor (TNF)-alpha levels (P<0.05). Furthermore, the expression of inflammatory cytokines and adipocytokines in IPFPs differed significantly between the obese and non-obese patients with KOA (P<0.05). By evaluating the expression of IKK beta and I kappa B alpha and the nuclear translocation ability of p-p65, it was concluded that NF-kappa B signaling was activated to a higher degree in the IPFP tissues of obese patients with KOA than in those of patients with KOA with a healthy weight. On the whole, the findings of the present study suggested that the NF-kappa B signaling pathway was activated and that there were changes in the expression in levels of inflammatory cytokines and adipocytokines in the IPFP tissues of obese patients with KOA.

Efficacy of repeated ovum pick-up in Podolic cattle for preservation strategies: a pilot study


Authors: Presicce, Giorgio Antonio; Neglia, Gianluca; Salzano, Angela; Padalino, Barbara; Longobardi, Valentina; Vecchio, Domenico; De Carle, Esterina; Gasparrini, Bianca

The study evaluated the effects of eCG treatment prior to ovum pick up (OPU) on follicular population, oocyte and embryo yields in summer and autumn in Podolic cattle. The effects of repeated OPU on cattle wellbeing was also documented. Twenty-six animals were used, and split into two groups, treatment (OPU; n = 18) and control (CG; n = 8). The OPU cattle were subsequently split into two subgroups (n = 9) and underwent repeated OPU, without and with eCG priming, for a total of 8 sessions (4 sessions/season). Follicular population, oocyte and embryo yields were recorded in those sub-groups. CG was handled in the same manner of OPU, except for epidural anaesthesia and follicular aspiration. Biochemical profile, serum protein electrophoresis and haptoglobin levels were analysed in OPU and CG. Hormonal priming increased the number of medium follicles (1.7 +/- 0.2 vs 0.9 +/- 0.2, p < .05), while it decreased the recovery rate and number of cumulus-enclosed oocytes (COCs) (recovery rate: 38.3 +/- 3.5 vs 60.5 +/- 4.0%; COCs: 2.3 +/- 0.3 vs 3.4 +/- 0.4, respectively; p < .01). However, priming increased cleavage (72.9 +/- 5.7 vs 49.4 +/- 5.4; p < .05) and blastocyst (41.1 +/- 5.7 vs 23.0 +/- 4.2; p = .054) rates. With regard to season's effect, a higher number of COCs was recorded in autumn than in summer (3.1 +/- 0.4 vs 2.6 +/- 0.3; p < .05) without affecting though the number of embryos produced (0.9 on average). Since haematological parameters did not vary between OPU and CG, our preliminary data suggest that repeated OPU may be used as a conservation strategy in Podolic cattle without affecting wellbeing.

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