• 1. Enabling high-throughput single-animal gene-expression studies with molecular and micro-scale technologies
  Jason Wan Lab Chip, 2020,20, 4528-4538
• 2. Fast synthesis of copper nanoclusters through the use of hydrogen peroxide additive and their application for the fluorescence detection of Hg2+ in water samples?
  Liao Xiaoqing,Li Ruiyi,Li Zaijun,Sun Xiulan,Wang Zhouping,Liu Junkang New J. Chem., 2015,39, 5240-5248
• 3. Fe/Fe3C@C nanoparticles encapsulated in N-doped graphene–CNTs framework as an efficient bifunctional oxygen electrocatalyst for robust rechargeable Zn–air batteries?
  Zhiyan Chen,Nan Wu,Yaobing Wang,Bing Wang,Yingde Wang J. Mater. Chem. A, 2018,6, 516-526
• 4. Emulsion technologies for multicellular tumour spheroid radiation assays?
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• 5. Embedding heteroatoms: an effective approach to create porphyrin-based functional materials
  Norihito Fukui,Keisuke Fujimoto,Hideki Yorimitsu,Atsuhiro Osuka Dalton Trans., 2017,46, 13322-13341

• Solvents and Organic Chemicals Organic Compounds Organic acids and derivatives Carboxylic acids and derivatives Amino acids, peptides, and analogues Amino acids and derivatives

N-2-(Hydroxyethyl)-L-valine-d4 (Technical Grade): A Comprehensive Overview

N-2-(Hydroxyethyl)-L-valine-d4, also known by its CAS number 120398-50-7, is a specialized compound that has garnered significant attention in the fields of biochemistry and pharmacology. This compound is a derivative of L-valine, a naturally occurring amino acid, with the addition of a hydroxyethyl group and deuterium isotopes. The "d4" designation indicates the presence of four deuterium atoms, which are commonly used in isotopic labeling for various scientific applications.

The synthesis of N-2-(Hydroxyethyl)-L-valine-d4 involves advanced chemical techniques to ensure high purity and technical grade quality. This compound is particularly valued for its stability and unique properties, making it suitable for use in research settings, particularly in studies involving metabolic pathways and enzyme kinetics. Recent studies have highlighted its potential as a precursor in the development of novel therapeutic agents, especially in the context of metabolic disorders.

One of the most notable applications of N-2-(Hydroxyethyl)-L-valine-d4 is in isotopic labeling experiments. By incorporating deuterium into the molecule, researchers can track the compound's behavior within biological systems with greater precision. This has been instrumental in understanding the dynamics of amino acid metabolism and its role in cellular processes. For instance, a 2023 study published in *Nature Metabolism* utilized this compound to investigate the impact of amino acid metabolism on cancer cell proliferation, revealing novel insights into potential therapeutic targets.

In addition to its role in basic research, N-2-(Hydroxyethyl)-L-valine-d4 has found applications in the pharmaceutical industry. Its ability to serve as a building block for more complex molecules has made it a valuable tool in drug discovery efforts. For example, researchers have explored its use in designing analogs of existing drugs to enhance their efficacy and reduce side effects. A recent breakthrough in this area was reported in *Science Translational Medicine*, where the compound was used to develop a more stable version of an anti-inflammatory agent.

The production process for N-2-(Hydroxyethyl)-L-valine-d4 involves rigorous quality control measures to ensure consistency and reliability. The technical grade designation signifies that it meets stringent standards for purity and performance, making it suitable for both research and industrial applications. This compound's versatility is further underscored by its compatibility with a wide range of experimental techniques, including mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy.

From a safety standpoint, N-2-(Hydroxyethyl)-L-valine-d4 has been subjected to thorough toxicological evaluations. These studies have demonstrated that it exhibits low toxicity under normal conditions of use, which is crucial for its application in biomedical research. However, as with any chemical compound, proper handling procedures should be followed to ensure workplace safety.

Looking ahead, the demand for N-2-(Hydroxyethyl)-L-valine-d4 is expected to grow as researchers continue to uncover new applications for this versatile compound. Its role in advancing our understanding of amino acid metabolism and its potential contributions to drug development position it as an essential tool in modern biochemical research.

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