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Au5800

Manufactured by Olympus
Sourced in Japan

The AU5800 is an automated clinical chemistry analyzer developed by Olympus. It is designed to perform a wide range of routine and specialized clinical chemistry tests on blood, urine, and other bodily fluid samples. The AU5800 utilizes advanced spectrophotometric technology to provide accurate and reliable results, ensuring efficient and effective laboratory operations.

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6 protocols using au5800

1

Routine Hematology and Biochemical Analyses

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EDTA-K2 anticoagulant samples were measured by a Sysmex 2100D routine hematology analyzer (Sysmex, Japan), and ESR was performed by using the Italian Ali-fax Test 1 automatic ESR analyzer. Serum samples were centrifuged at 3500 rpm for 5 min, and both CRP and SAA were performed by using an AU5800 (OLYMPUS, Japan). PCT was carried out by adopting the Roche Cobas e411 electrochemiluminescence analyzer (Roche Diagnostics, Germany). Sodium citrate plasma samples were centrifuged at 3500 rpm for 5 min, and coagulation parameters were gathered using a Sysmex CS 5100i (Sysmex, Japan) automatic hemagglutination analyzer. Arterial blood gas analysis was performed by using the GEM Premier 3500.
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2

Comprehensive Blood Test Protocol

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The complete blood count measurement was performed using a Beckman Coulter LH 780 (Olympus Diagnostics, GmbH, Hamburg, Germany) blood count device immediately. Biochemical tests were performed on the same day on the obtained serum samples. For IMA level, serum samples were transferred to Eppendorf tubes and stored at -80°C. Serum total cholesterol, triglyceride, HDL-c, and CRP levels were measured using a Beckman Coulter AU 5800 (Olympus Diagnostics, GmbH, Hamburg, Germany) analyzer. The LDL-c levels were calculated with the Friedewald formula.
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3

Comprehensive Metabolic Profiling

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Following an overnight fast (≥10 h), participants’ blood samples were drawn for assessing fasting lipid including total cholesterol (TC), TG, HDL-c and low-density lipoprotein cholesterol (LDL-c), fasting plasma glucose (FPG), ALT, aspartate aminotransferase (AST), total bilirubin, creatinine, serum uric acid (SUA), and high-sensitivity C-reactive protein (hs-CRP), using an automated analyzer (Olympus AU5800, Japan); as well as free triiodothyronine, free thyroxine, thyroid-stimulating hormone, using an automatic direct chemiluminescence analyzer (Siemens ADVIA Centaur XP, Germany). eGFR was calculated from serum creatinine using the abbreviated Modification of Diet in Renal Disease (MDRD) study formula:32 (link) eGFR=186×(serum creatinine in mg/dL)−1.154×(age in years)−0.203×(0.742 if female).
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4

Murine Blood Biomarker Quantification

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Mice blood was collected from mice via the inferior vena cava with a heparin-coated microhaematocrit tube and centrifugation for 15 min at 2,000 × g to obtain plasma. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were measured using an automatic chemical analyser (Olympus Company AU5800, Tokyo, Japan).
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5

Maternal Characteristics and Birth Outcomes

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Basic demographic data were collected from each recruited pregnant woman via medical records in the hospital information system, and included age, weight, height, blood pressure, serum triglyceride (TG), serum total cholesterol, blood urea nitrogen (BUN), GA, SUC, fasting blood glucose (FBG) and proteinuria. The height (cm) and weight (kg) of each subject were determined 1 week prior to delivery. GA was calculated according to the last menstrual period. After admission, blood pressure of the right upper limb was measured three times with a mercury sphygmomanometer in quiet state, and the mean value was taken as the patient's blood pressure. Urine protein was qualitatively detected in the middle of the first voiding in the morning. Laboratory indicators were determined using an automatic biochemical analyser (Olympus AU5800; Tokyo, Japan) at the Naqu People's Hospital. A range of birth outcomes were recorded for each foetus, including neonatal sex and birth weight.
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6

Assessing Liver Function Changes in Patients

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The T1 and T2 blood samples were collected during hospitalization, while the T3 and T4 blood samples were collected during the outpatient follow-up. All samples were collected in the morning from patients who fasted. Serum samples were centrifuged at 3500 rpm for 5 min and biochemical parameters were performed with an AU5800 (OLYMPUS, Japan). EDTA-K2 anticoagulant samples were measured using a Sysmex 2100D routine hematology analyzer (Sysmex, Japan) for routine blood examinations. EDTA-K2 anticoagulant samples were measured using a FACSCanto II flow cytometer (BD, USA) for cytokines. Normal reference range for adult liver function: ALT: male: 9–50 (U/L), female: 7–40 (U/L); AST: male: 15–40 (U/L), female: 13–35 (U/L); ALP: male: 45–125 (U/L), female: 35–135 (U/L); GGT: male: 10–60 (U/L), female: 7–45 (U/L); TB: male and female: 3.4–20.5 (μmol/L). Based on previously published articles,11 (link) anything beyond the upper limit reference range for liver function was defined as abnormal liver function.
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