نتایج جستجو برای: chromatography instruments
تعداد نتایج: 168881 فیلتر نتایج به سال:
surgical instruments, on bandaging and on many other aspects of surgery in general and surgery of the head and neck area in particular. It is hoped however that the present paper will stimulate interest and further examination of the empiric maturity of Hindu surgery more than fifteen centuries ago.
The study of two biological indicators in monitoring "flash" sterilization demonstrated that indicator construction often leads to a false interpretation of spore survival.
Selective automation and skill transfer in medical robotics: a demonstration on surgical knot-tying.
BACKGROUND Transferring non-trivial human manipulation skills to robot systems is a challenging task. There have been a number of attempts to design research systems for skill transfer, but the level of the complexity of the actual skills transferable to the robot was rather limited, and delicate operations requiring a high dexterity and long action sequences with many sub-operations were impos...
Introduction: The goal of many MS-based proteomics experiments nowadays is to quantify changes in the abundance of the proteomes across several samples of biological interest. The iTRAQ labeling method is a powerful relative quantitation technique that combined with liquid chromatography coupled to tandem mass spectrometry allows quantify up to eight different samples simultaneously. The transf...
This new approach to measurement of glycated hemoglobin (Hb A1) is a three-step procedure involving (a) conversion of oxyhemoglobin into NO-hemoglobin by sodium dithionite and sodium nitrite in the presence of inositol hexaphosphate; (b) incubation with haptoglobin, which preferentially binds glycated hemoglobin; and (c) determination of the hemoglobin/haptoglobin complex by its peroxidase acti...
We achieved continuous, noncontact wide-field imaging and characterization of drug release from a polymeric device in vitro by uniquely using off-axis interferometric imaging. Unlike the current gold-standard methods in this field, which are usually based on chromatography and spectroscopy, our method requires no user intervention during the experiment and involves less lab consumable instrumen...
The ever growing number of emerging micropollutants such as pharmaceuticals requests rapid and sensitive full-spectrum analytical techniques. Time-of-flight highresolution mass spectrometry (TOF-HRMS) is a promising alternative for the state-ofthe-art MS/MS instruments because of its ability to simultaneously screen towards a virtually unlimited list of suspect compounds and to perform target q...
The technique of coupling liquid chromatography to inductively plasma mass spectrometry (ICP-MS) is reviewed. A brief introduction to the ICP-MS instrument is given as well as methods to couple the two analytical instruments together. The various types of LC that have been used with ICP-MS detection are discussed and advantages over traditional methods of detection are highlighted, such as the ...
Ion chromatography (IC), utilizing an ion exclusion column coupled to a conductivity detector (CD) via a post column reactor, had been evaluated for quantifying the Total Carbon dioxide (TCO2) level in equine plasma. The concentrations obtained from the analysis of the ASE linearity set correlated with the results obtained when the measurement was done using a Beckman EL-ISE ® instrument (R 2 =...
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