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Architect ci4100

Manufactured by Abbott
Sourced in United States

The Architect ci4100 is an automated clinical chemistry analyzer designed for high-volume laboratory settings. It is capable of performing a variety of routine clinical chemistry tests, including assays for enzymes, electrolytes, and other analytes. The Architect ci4100 is intended to provide efficient and reliable diagnostic testing capabilities to support patient care.

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18 protocols using architect ci4100

1

Comprehensive Metabolic and Inflammatory Profiling

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Fasting blood samples were obtained at baseline (day 1) and on the last day of the study (day 28). The samples were collected in three BD Vacutainer SST tubes, allowed to clot at room temperature for 30–45 min. Then, serum was separated using centrifugation at 3400 rpm for 10 min and stored at −80 °C. Serum was analyzed for three panels of metabolic (ALT, ALK, AST, free T3, free T4, GGT, total T3, total T4, TSH, T-uptake, and Vitamin D), lipid (cholesterol, ultra HDL), and inflammatory (CRP, IgA, IgE, IgG, IgM) markers using the Abbott (Chicago, IL, USA) Architect ci4100 following the manufacturer’s instructions (Supplementary Table S1).
Morning first void urine samples on day 1 and day 28 were collected for assessment of the hepatic detox profile (phase I D-glucaric acid, phase II mercapturic acids, and creatinine) and the urine porphyrin profile (uroporphyrins, heptacarboxylporphyrins, hexacarboxylporphyrins, pentacarboxylporphyrins, coproporphyrins 1-3, total porphyrins, including precoproporphyrins 1-3, total precoproporphyrins, and creatinine) using commercial testing services (Doctor’s Data, St. Charles, IL, USA).
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2

Biomarker Assessment in Clinic

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D-dimer levels were assessed using the ELFA (Enzyme-Linked Fluorescent Assay) technique on a VIDAS® instrument (BioMérieux, France). C-reactive protein and ferritin were collected in a 0.5 ml serum separator tube (BD Microtainer, Franklin Lakes, New Jersey) and analyzed using a clinical chemistry analyzer (Architect ci4100, Abbott Laboratories, Abbott Park, Illinois, USA).
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3

Electrochemical Paper-based Glucose Sensor

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The paper-based SPIL-GE device was used to determine blood glucose level by using human blood plasma (n = 10) and compared with enzymatic glucose assay (Hexokinase) using automated analyzer ARCHITECT ci4100 (Abbott, IL, USA). The concentration of ascorbic acid (0.1 mM), uric acid (0.1 mM), and hemoglobin (0.06 mM) in PBS were used to study the effects of the main interferences in human blood plasma.
To verify the electrochemical method for real sample analysis, the prepared paper-based PB/Ti3C2Tx/GOx/Nafion/SPIL-GE was used to measure blood glucose concentration. In this work, separated blood plasma was carefully collected from sodium fluoride (NaF) containing tube after drawing the whole blood sample from volunteers and centrifuged at 3000 rpm for 10 min. The human blood plasma was then determined to have glucose concentration in plasma using paper-based PB/Ti3C2Tx/GOx/Nafion/SPIL-GE that was connected to Sensit Smart. In the process of real sample assay, the sample matrix is one of the crucial factors that effects the obtained signal because it contains lots of interference, including ascorbic acid, and uric acid. To minimize the sample matrix effects, we diluted the plasma sample with PBS at a ratio of 1 to 3. Furthermore, the Nafion was utilized to trap the negatively charged interference species that may affect the real sample of plasma glucose measurements.
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4

Biochemical Analysis of Metabolic Markers

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Plasma glucose was analyzed using the glucose oxidase peroxidase method with an intra–inter assay coefficient of variation (iCV) of 0.9 ± 1.2%. Insulin concentration was measured in duplicates, using chemiluminescent micro particle immunoassay (iCV; 2.0–2.8%) in an automated immunoassay analyzer (Architect ci4100, Abbott Laboratories, USA). Insulin sensitivity was calculated using the homeostasis model assessment of insulin resistance (HOMA-IR), as follows:
HDL-c was measured using the accelerator selective detergent method (iCV; 1.7 ± 2.9%). Blood triglycerides (TG) was measured with glycerol-3-phosphate oxidize method (iCV; 0.8 ± 1.7%). Total serum cholesterol (TChol) was measured by an enzymatic method with a single aqueous reagent (iCV; 1.1 ± 1.4%). Low-density lipoprotein-cholesterol (LDL-c) was calculated as proposed by Friedewald [18 (link)], as follows:
All of the above analyses were run in an automated Mindray BS 400 Chemistry Analyzer (Mindray Medical Instrumentation, Shenzhen, China).
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5

External Validation of CoLab-Score

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For the external validation, several centres in the Netherlands were approached and assessed if the required panel of laboratory tests and SARS-CoV-2 PCR test results were available. Seven centres responded and three centres fulfilled the inclusion criteria: Gelre Hospitals (centre 1), Atalmedial Diagnostic Centers, location Alrijne Hospital Leiderdorp (centre 2) and Zuyderland Medical Center (centre 3). The haematological parameters were measured with Sysmex XN-10/XN-20 (centre 1), CELL-DYN Sapphire (Abbott Laboratories) (centre 2) and Sysmex XN-10 instruments (centre 3). The clinical chemistry parameters were measured with Architect c14100/c160000 (Abbott Laboratories) (centre 1), Architect ci4100 (Abbott Laboratories) (centre 2) and Cobas 8000 instruments (Roche Dx) (centre 3). The external validation was similar to the temporal validation and consisted of assessment of the AUC, sensitivity, specificity, PPV and NPV of each CoLab-score threshold. Calibration was assessed graphically analogous to the temporal validation data set.
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6

Amikacin Pharmacokinetics in MDR-TB Children

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Pharmacokinetic sampling was completed from 2–16 weeks after starting treatment. On the day of sampling the amikacin dose was administered by the study team together with all the other oral TB medications in the child’s MDR-TB regimen. One hour after TB medication was dosed HIV-infected children were given their antiretroviral drugs. Blood samples were collected pre-dose and then at 1, 2, 4, 6, and 8 hours after amikacin dosing into an EDTA-containing tube and placed on ice. Blood samples were centrifuged and plasma separated and frozen at −80 degrees Celsius within 30 minutes.
Amikacin plasma concentrations were measured using a commercial Particle Enhanced Turbidimetric-Inhibition Immunoassay (PETINIA) (Architect ci4100, Abbott Laboratories, Diagnostics Division, Abbott Park, IL.). The assay was valid over the range 2.0 – 50 μg/ml and quality controls were run daily to monitor the assay performance.
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7

Insulin Sensitivity Assessment via HOMA-AD and HOMA-TG

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Fasting plasma glucose (FPG) [mmol/L] was determined via the enzymatic method using a Cobas c701/702 biochemical analyzer (Roche Diagnostics International Ltd., Mannheim, Germany). Serum insulin concentration (INS) [µIU/mL] was determined via the electrochemiluminescence method (ECLIA) using the Cobas e801 apparatus (Roche Diagnostics International Ltd., Mannheim, Germany). The determinations were performed in accordance with the manufacturer’s instructions using reagents dedicated to the GLUC3 and Elecsys Insulin analyzers, respectively.
Using the specifications of the Architect ci-4100 clinical chemistry analyzer (Abbott Laboratories), serum triglyceride (TG) [mg/dl] levels were determined via spectrophotometry.
Evaluation of sensitivity to insulin was performed with the use of the homeostatic model assessment—adiponectin (HOMA-AD) [44 (link)] and homeostatic model assessment—triglycerides (HOMA-TG) [45 (link)], calculated based on the formula:

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8

Epidemiological and Clinical Factors in Diabetes

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Epidemiological and clinical parameters were recorded for all participants, including diabetes, which was determined according to the 2006 WHO criteria (https://www.who.int/news-room/fact-sheets/detail/diabetes (accessed on 15 January 2023)), as well as physical inactivity (https://www.who.int/news-room/fact-sheets/detail/physical-activity (accessed on 15 January 2023)). Smoking and alcohol consumption were determined based on a questionnaire and according to the answers given by the patients. Chronic alcoholism was considered in men who consumed five glasses per day, i.e., 50 g of ethanol per day, and in women who consumed three glasses per day, i.e., 30 g of ethanol per day. For smoking, a threshold of five cigarettes per day was defined, i.e., 50 ug of nicotine absorbed per day. The routine biochemical parameters were determined using an Architect ci4100 (Abbott, Abbott Park, IL, USA) using enzymatic techniques in accordance with the manufacturer’s recommendations.
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9

Metabolic Biomarkers Analysis Protocol

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Plasma glucose was analyzed using the glucose oxidase peroxidase method, with intra‐interassay coefficient of variation (iCV) of 0.9% to 1.2%. HDL‐c was analyzed using the accelerator selective detergent method (iCV = 1.7%‐2.9%). TG was analyzed with the glycerol‐3‐phosphate oxidize method (iCV = 0.8%‐1.7%). All the analyses were run in an automated Mindray BS 400 Chemistry Analyzer (Mindray Medical Instrumentation Ltd., Shenzhen, China). Insulin concentration was measured in duplicate using chemoluminescent microparticle immunoassay (iCV = 2.0%‐2.8%) in an automated analyzer (Architect ci4100; Abbott Laboratories, Abbott Park, Illinois). IR was calculated using the homeostatic model assessment of IR (HOMA‐IR) (30 (link)), following the proposed criteria of metabolic dysfunction‐associated fatty liver disease (HOMA‐IR ≥ 2.5) (31 (link)).
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10

Quantifying Insulin Sensitivity and Lipid Profiles

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Sensitivity to insulin was determined applying the quantitative insulin sensitivity check index (QUICKI) [41 (link)], following the formula:
Plasma insulin (INS) [µIU/ml] concentration was assessed using electrochemiluminescence (ECLIA) with the Cobas e801 apparatus (Roche Diagnostics International Ltd., Mannheim, Germany). Glucose (GL) [mmol/l] concentration in the blood plasma was conducted by the enzymatic method with the Cobas c701/702 biochemical analyser (Roche Diagnostics International Ltd., Mannheim, Germany). The assessments were realized in conformity with the manufacturer protocol using reagents dedicated to the GLUC3 and Elecsys Insulin analysers, respectively.
The plasma levels of total cholesterol (TC) and high-density lipoprotein cholesterol (HDL-C) were specified with the spectrophotometric method relying on guidelines of the clinical chemistry analyser Architect ci-4100 (Abbott Laboratories). The intra- and interassay coefficients of variation (CV) for the assays were 0.9–1.2 and 1.2–1.8%, respectively. Non-HDL cholesterol (nonHDL-C) fraction was determined following the formula:
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