نتایج جستجو برای: hydroxylapatite
تعداد نتایج: 702 فیلتر نتایج به سال:
We have previously reported that the urine of febrile humans contained large quantities of an inhibitor of IL-1-induced murine thymocyte proliferation that was a glycoprotein between 30 and 40 kD in size. In the present study this factor has been purified to homogeneity using a sequence of eight purification steps (ammonium sulfate precipitation, ion exchange chromatography, molecular sieve chr...
Dexamethasone binding to both rabbit iris-ciliary body and rabbit liver glucocorticoid receptors was compared by means of a batch assay in which the binding components were adsorbed to hydroxylapatite. The results showed that homogenates of both the rabbit iris-ciliary body and the rabbit liver contained a single class of high-affinity receptors. Binding affinity was virtually identical for the...
HeLa cell deoxyribonucleic acid (DNA) polymerase was purified about 100-fold by sequential column chromatography on phosphocellulose, hydroxylapatite, and Bio Rex 70. A new form of DNA polymerase found in vaccinia virus-infected cells was separated from HeLa DNA polymerase by chromatography on diethylamino-ethyl cellulose. The new form was also purified approximately 100-fold in the same manner...
An intracellular protein accelerates the transfer of triglyceride and cholesteryl ester. The fraction of phospholipid transferred was much less than for the less polar lipids. A rich source of this activity was obtained from low ionic strength washes of liver microsomes. The protein was partially purified by column chromatography on Bio-Gel A-5m and hydroxylapatite. The elution position of the ...
Cytochrome P-450 was purified to a content of over 17 nmoles Sunmarc per mg of protein from liver microsomes of phenobarbital-treated rabbits by fractionation with polyethylene glycol 6000, DEAE-cellulose colunn chromatography, and hydroxylapatite column chromatography in the presence of Renex 690, a nonionic detergent. The purified preparation exhibited a single polypeptide band (molecular wei...
Glucosamine 6-phosphate synthase (EC 5.3.1.19) purified from various rat tissues by a procedure involving chromatography on diethylaminoethyl Sephadex and hydroxylapatite were characterized by means of isoelectric focusing. The non-hepatic isozyme, previously reported to be present in Yoshida sarcoma, has a pI of 4.1 and is distinguished from the hepatic isozyme, with a pI of 5.0. The pI 4.1 fo...
Tailoring highly efficient adsorbents for environmental remediation is a great challenge key. This paper reports the synthesis of nanostructured pure hydroxylapatite and hydroxyapatite coupled with copper ferrite CuFe2O4@HAp by simple routes utilizing in capture some heavy metal ions like Fe(II) Al(III) ions. The prepared has advantage feasible removal adsorbent materials after treatment proces...
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