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新生儿筛查是出生后预防和治疗某些遗传病的有效方法。一般采取脐血或足跟血的纸片进行。新生儿筛查一般是在婴儿出生后三天采取脐血或足跟血的纸片进行。新生儿筛查是指在新生儿群体中，用快速、敏感的实验室方法对新生儿的遗传代谢病、先天性内分泌异常以及某些危害严重的遗传性疾病进行筛查的总称，其目的是对那些患病的新生儿在临床症状尚未表现之前或表现轻微时通过筛查，得以早期诊断、早期治疗，防止机体组织器官发生不可逆的损伤。避免患儿发生智力低下、严重的疾病或死亡。
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◆ Product Description: Labeled Amino Acid Standards（氨基酸混标） |
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Catalog Number: NSK-A |
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Component1 |
Purity2 |
Target Concentration |
Concentration by Gravimetry |
Analyzed Concentration |
|
(μM)3 |
(μM)4 |
(μM)5 |
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L-Alanine (2,3,3,3-D4,98%) |
≥98% |
500±100 |
499 |
494±11.9 |
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L-Phenylalanine (ring-13C6, 99%) |
≥98% |
500±100 |
500.2 |
483±4.0 |
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L-Leucine (5,5,5-D3,98%) |
≥98% |
500±100 |
499.4 |
493±2.7 |
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L-Valine (D8, 98%) |
≥98% |
500±100 |
500.4 |
516±6.3 |
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L-Argininne:HCl (5-13C,99%, |
≥98% |
500±100 |
625.3 |
620±17.4 |
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4,4,5,5-D4,95%) |
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L-Citrulline (5,5-D2,98%) |
≥98% |
500±100 |
499.9 |
495±3.7 |
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DL-Glutamic Acid(2,4,4-D3,97- |
≥98% |
500±100 |
549.7 |
560±5.3 |
|
98%) |
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L-Tyrosine (ring-13C6, 99%) |
≥98% |
500±100 |
500.2 |
499±2.8 |
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L-Omithine:HCl (5,5-D2,98%) |
≥98% |
500±100 |
499.8 |
487±4.9 |
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L-Methionine (methyl-D3, 98%) |
≥98% |
500±100 |
499.6 |
471±3.9 |
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L-Aspartic Acid (2,3,3-D3,98%) |
≥98% |
500±100 |
499.3 |
485±6.3 |
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Glycine (2-13C,99%,15N,98%+) |
≥98% |
2500±100 |
2498.4 |
2489±34.2 |
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Product Description: Labeled Carnitine Standards（肉碱混标） |
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Catalog Number: NSK-B |
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Component |
Concentration |
Estimated Error |
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(Isotopic Label, Enrichment) |
(μM) |
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L-Carnitine (N-trimethyl-D9, 98%) |
152.0±15.2 |
±10% |
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L-Acetylcarnitine (N-methyl-D3, 98%) |
38.0±3.8 |
±10% |
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L-Propionylcarnitine (N-methyl-D3, 98%) |
7.6±0.76 |
±10% |
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L-Butyrylcarmitine (N-methyl-D3, 98%) |
7.6±0.76 |
±10% |
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L-Isovalerylcarnitine (N-trimethyl-D9,98%) |
7.6±0.76 |
±10% |
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L-Octanoylcarnitine (N-methyl-D3,98%) |
7.6±0.76 |
±10% |
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L-Myristoylcarnitine (N-trimethyl-D9,98%) |
7.6±0.76 |
±10% |
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L-Palmitoylcarnitine (N-methyl-D3,98% |
15.2±1.5 |
±10% |
