نتایج جستجو برای: densitometer
تعداد نتایج: 513 فیلتر نتایج به سال:
Serum samples were obtained from the control and experimental fish, Labeo rohita treated with 1/3 of LC50 of methyl parathion. Creatine kinase (EC 2.7.3.2) isozyme and subbands (isoforms) were studied using clinical automatic electrophoresis and densitometer. CK isozymes and isoforms were found to display disparate electrophoretic mobility in fish when compared with CK patterns of human. It was...
Plasma was screened for the presence of lipoprotein[a] using 2-16% nondenaturing, polyacrylamide gradient gel electrophoresis. Gels were scanned with a densitometer after staining with Sudan black B. Bands that migrated above low density lipoprotein bands were identified as lipoprotein[a] by immunoblotting with polyclonal and monoclonal antibodies to apolipoprotein[a]. Lipoprotein[a] was measur...
Quantitative determinations were carried out of the relative reaction rates of several nitrogen mustards at various guanine-N7 positions in DNA fragments of known sequence. The findings suggest structural hypotheses of the origins of the reaction selectivities. End-labeled DNA fragments were reacted with nitrogen mustards, and the guanine-N7 alkylation sites were analyzed by gel electrophoresis...
General Bovine serum albumin, bovine carbonic anhydrase, and conalbumin were purchased from Sigma-Aldrich. Lactoferrin was obtained from Glanbia Nutritionals, Inc. Monoclonal antibody, mAbX, was overproduced in a Chinese hamster ovary (CHO) cell culture and previously purified by column chromatographic methods. Protein fractions were analyzed by SDS-PAGE using Criterion Tris-HCl 4–20% linear gr...
The use of a diabetic blood glucose meter for radiochromic film dosimetry in blood irradiation using x-ray beams on a medical linear accelerator has been investigated. The glucose meter provides optical density analysis in the visible and infrared region using a reflectance measurement technique. By comparing the 'blood sugar' level output with standard calibration gafchromic films a calibratio...
OBJECTIVE To examine the ability to use Quantitative Ultrasonography (QUS) densitometer for screening of osteoporosis and osteopenia by comparing QUS values obtained at the calcaneus region to bone mineral density (BMD) values measured at the spine and the neck of the femur using Dual Energy X-ray Absorbemetry (DXA). METHODS QUS (in the calcaneus region) and DXA (the spine and the neck of fem...
AIM To study of bone mineral density (BMD) in patients with chronic obstructive pulmonary disease (COPD). SUBJECTS AND METHODS 104 patients with COPD were examined. A study group comprised men with a long smoking history. BMD of the lumbar spine in the frontal view and that of the proximal femur (the neck, Ward's area, greater trochanter) were studied by dual-energy X-ray absorptiometry using...
A panel of members of the 2009 International Myeloma Workshop developed guidelines for standard investigative workup of patients with suspected multiple myeloma. Both serum and urine should be assessed for monoclonal protein. Measurement of monoclonal protein both by densitometer tracing and/by nephelometric quantitation is recommended, and immunofixation is required for confirmation. The serum...
The objective of this study was to determine reference intervals for plasma protein fractions of normal appearing, wild Atlantic loggerhead sea turtles, Caretta caretta. Blood was collected into heparinized vacutainer tubes from the following groups of turtles: 1) ten adult males; 2) eleven adult females; 3) ten juvenile males; and 4) ten juvenile females. Plasma was removed and total protein c...
Low speed sedimentation equilibriurn techniques using the analytical ultracentrifuge prouide a powerful tool for the analysis of molecular weight and molecular weight distributions of a wide range of macromolecular dispersions. The precision of the computed parameters depends citically upon the off-line rneasurernent and processing of photographic images of Rayleigh interference patterns, used ...
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