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Automated chemistry analyzer

Manufactured by Hitachi
Sourced in Japan

The Automated Chemistry Analyzer is a laboratory instrument designed to automate the analysis of chemical compounds. It performs various analytical tests on liquid samples, such as measuring the concentration of specific substances or detecting the presence of certain elements. The core function of this equipment is to provide accurate and efficient chemical analysis to support a wide range of research and diagnostic applications.

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6 protocols using automated chemistry analyzer

1

Metabolic Changes After Liver Transplant

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Laboratory results of liver function and metabolic function 6 months after LT were compared. Blood samples following 12 h fasting and 2 h after dinner were drawn from vein for adrenocorticotropic hormone (ACTH), cortisol, glucose, and serum lipids (total cholesterol, LDL, HDL, and triglyceride). ACTH was tested by electrochemiluminescence Elecsys ACTH immunoassay, ECLIIA, (Roche Diagnostics, Mannheim, Germany) on E170 Model. Cortisol was tested by a chemiluminescence assay (Bayer, Shanghai, China) on the ACS180 SE Model. The biochemistry exams were done by automated chemistry analyzer (Hitachi, Tokyo, Japan) on Hitachi 7600-110 Model. The liver function and lipids were tested by BECKMAN COULTER analyzer (Beckman Coulter Diagnostics, CA, USA) on AU5811 Model.
We measured the new onset diabetes according to the American Diabetes Association/World Health Organization guidelines; new onset DM was defined as patient used to have a normal fasting blood glucose, but after liver transplantation, he/she has a fasting blood glucose of  ≥7.00 mmol/L (1.26 g/L) confirmed on at least 2 occasions or current treatment with an oral antidiabetic drug or insulin. The pathological slides from the biopsy were parallel to the liver function results.
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2

Measurement of Insulin Resistance

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The blood chemistry profile of each subject was measured using an automated chemistry analyzer (Hitachi, Tokyo, Japan) at the Department of Clinical Pathology at Kangnam CHA hospital. Insulin resistance was determined using the homeostasis model assessment of insulin resistance (HOMA-IR), which was calculated using the equation: fasting insulin (mU/L) × fasting glucose (mg/dL)/405.
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3

Serum Lipid Profile and Oxidative Stress

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Serum lipid profile (triglycerides (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C)), which is closely associated with CVT progression, was measured. Serum concentration of TG was measured by immunometric assay (Immulite 2000 Thyroglobulin; Diagnostic Products, Los Angeles, CA, USA). Serum concentration of TC was measured by using an automated clinical chemistry analyzer kit (Biosino Biotech, Beijing, China). HDL-C was measured by using an automated chemistry analyzer (Hitachi, Tokyo, Japan). Serum concentration of LDL-C was measured by using a LDL-cholesterol kit (Sekisui Medical Co., Ltd., Tokyo, Japan). Serum malondialdehyde (MDA) was analyzed by using a MDA kit in Nanjing Jiancheng Institute of Biotechnology (Nanjing, China).
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4

Automated Blood Analysis at Kangnam CHA

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Complete blood count and blood chemistry profile were evaluated at the Department of Clinical Pathology at Kangnam CHA hospital using an automated hematology analyzer (Sysmex, Kobe, Japan) and an automated chemistry analyzer (Hitachi, Tokyo, Japan). CRP was measured with a latex agglutination test (Qualigent CRP, Sekisui Medical, Tokyo, Japan) and fibrinogen was measured with a turbidimetry test (ACL TOP Family system, Instrumentation Laboratory, Bedford, MA, USA).
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5

Comprehensive Blood and Urine Analysis

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Blood samples were collected at 8.00 am on an empty stomach from each subject at the beginning and end of the experiment for complete blood count (CBC) analyses (RBCs, WBCs, Hb, platelets, MCV, and MCH) as anemia indicator. The participants were instructed to collect their urine (discarding the first urine) for determining urine color, turbidity, pH, specific gravity, glucose, bilirubin, pus cells, RBC, ketones, and albumin. All biochemical analyses were conducted using an automated chemistry analyzer (Hitachi, Tokyo, Japan) according to standard methods described in Tietz Textbook and Tietz Clinical Guide (24 , 25 ). The data were represented as means of n = 8 for each group ± SD.
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6

Quantification of Liver Lipid Profiles

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Blood chemistry was analyzed using automated chemistry analyzer (Hitachi, Tokyo, Japan), those included ALT, TBIL, plasma TG, TCHO, HDL, LDL, BUM, CREA, and GLU according to Park et al.42 (link). Total lipid in the liver tissues was extracted using a 2:1 chloroform:methanol solution (v/v) and the TG contents were measured with a Triglyceride E-test kit (Wako, Osaka, Japan) according to the manufacturer’s instructions.
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