Wako Blog

Introducing a wide range of research topics, technical reports, and tips for your experiments.

Technical Report

Analytical Chemistry Technical Report

[Chromatography Q & A] Methods to Remove Proteins in Biological Samples

When HPLC analyzing low-molecular substances in biological samples containing a large amount of proteins such as serum, deproteinization is necessary. As shown in Table 1, methods utilizing various pr...

Analytical Chemistry Technical Report

[Technical Report] Simultaneous Analysis of Veterinary Drugs Using STQ Method

This article was written by Ms. Mikie Shima, AiSTI SCIENCE Co., Ltd., Technical & Marketing Group, for Vol. 13 (August 2020), of ChemGrowing.
The content of this article is from the time of publication. It is not the latest information due to new knowledge and changes in regulatory rules after original publication.

As interest in food security and safety is increasing, the analysis of veterinary drugs remaining in food is important. However, there are various kinds of veterinary drugs with different physical pro...

Technical Report

[Technical Report] Analytical Method of Neonicotinoid Pesticides using STQ Method

This article was written by Mr. Kenji Konishi, AiSTI SCIENCE Co., Ltd., Technical & Marketing Group, for Vol. 15 (February 2021), of ChemGrowing.
The content of this article is from the time of publication. It is not the latest information due to new knowledge and changes in regulatory rules after original publication.

While neonicotinoid pesticides are used in many countries, partial restrictions on their use exist in certain countries (including the EU). Neonicotinoid pesticidesare said to be one of the causes for...

Technical Report

[Technical Report] Development of HPLC column eligible for measurements of 6 aldehydes specified in the Japanese Offensive Odor Control Law and multicomponent analysis

This article was written by Mamoru Kubota, FUJIFILM Wako Pure Chemical Corporation, for Vol. 87, No.3 (July 2019) of Wako Junyaku Jiho.
The content of this article is from the time of publication. It is not the latest information due to new knowledge and changes in regulatory rules after original publication.

Offensive odor is a general term of odor that makes people unpleasant and annoyed and classified into sensory pollution as with noise and vibration. The Japanese Offensive Odor Control Low has identif...

Analytical Chemistry Technical Report

[Chromatography Q & A]: Differences among solvents for QTofMS, HPLC, and LC/MS

HPLC has been used in a wide range of fields as an analytical procedure that can be applied to analysis of a wide range of samples. Solvents used in HPLC are selected based on conditions, such as diss...

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