久久视频在线视频精品,欧美人妻少妇一区二区三区,中文一区二区三区不卡,午夜人妻精品久久久久,日韩国产欧美在线免费,东京热黄片免费看三区,熟女丝袜熟女中文字幕,亚洲一区二区三区久久,91精品国产日韩久久久久

溫馨提示：僅用于科研，不可用于臨床治療

新生兒遺傳代謝疾病檢測，串聯(lián)質(zhì)譜分析方法試劑盒LC-MS/MS 非衍生化
 

• All required and isotope labelled standards included

• Dried blood spot controls included

• Direct sample injection without derivatisation

• High selectivity and sensitivity by MS/MS detection

This Chromsystems reagent kit allows the very fast and reliable determination of amino acids and acylcarnitines from dried blood spot samples as part of the newborn screening for amino acid and fatty acid metabolic disorders using tandem mass spectrometry. Sample preparation is based on effective extraction of the analytes from the filter card without any further sample preparation steps required. The test utilises stable isotope labelled internal standards for calibration and measurement to ensure reliable and precise quantification of the analytes. Due to the time saving sample preparation and high precision of the MRM method, this direct injection kit stands out from the derivatised method. On the other hand lower sensitivity and interferences from isobaric substances (e.g. C5DC and C6OH) in acylcarnitines analyses may occur.

Specifications

Cutoff thresholds

LC-MS/MS parameters

LC-MS/MS system. No HPLC column is required.

Sample preparation

• Punch 3 mm dried blood spot disk out of the filter card into a well plate.
• Add 100 µl Internal Standard, agitate for 20 min.
• Inject 10 µl of the extract into the LC-MS/MS system.