Sample Preparation Articles
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Analysis of Polychlorinated Biphenyls in Soil
Polychlorinated biphenyls (PCBs), also known as chlorinated biphenyls, are a class of chlorides formed by the substitution of chlorine for hydrogen atoms in the biphenyl ring. PCB is a synthetic organic compound used in industry as heat carrier, insulating oil and lubricating oil. The wide use of PCBs in industry has caused global environmental pollution problems. Waste from factories that use ...
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Emerging Contaminants in Water in Africa
Access to clean and safe drinking water is a fundamental human right, yet a significant portion of the global population still lacks this essential resource. In Africa, the issue of water quality is of paramount concern, as many regions face challenges related to pollution and contamination. Emerging contaminants in water have become a pressing issue, as they pose potential risks to human ...
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Unveiling Nature's Secrets: Plant Metabolite Profiling Opens a New Window into the Green World
Plants are more than just photosynthetic powerhouses. They are chemical factories, churning out a vast array of molecules with diverse roles in their growth, defense, and interactions with their surroundings. These small molecules, known as metabolites, are the hidden language of plants, whispering secrets about their health, stress responses, and even their unique adaptations. But deciphering ...
By Lifeasible
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Hybridization-ELISA in the Bioassay of Oligonucleotide Drugs
Introduction of OligonucleotidesOligonucleotide-based therapeutics represent a rapidly advancing field in current drug development. According to their therapeutic mechanisms, oligonucleotide drugs can be categorized into antisense oligonucleotides (ASOs), small interfering RNA (siRNA), microRNA, anti-gene transcription factor inducers, and nucleic acid aptamers. Oligonucleotide sequences ...
By BOC Sciences
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Paper Sampling Cutter for Cobb Test
The Paper Sampling Cutter for Cobb Test is a specialized tool specifically designed for the precise sampling of paper materials used in the Cobb test. This advanced cutter ensures accurate and consistent sample preparation for evaluating the water absorption properties of paper. With its precision cutting blades and robust construction, it allows for clean and smooth sample cutting, minimizing ...
By TestXpert
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How to choose a pump for in vitro diagnostic analysis?
IVD, which stands for in vitro diagnostics, refers to products that conduct testing on samples taken from the human body (such as blood, body fluids, and tissues) outside of the body in order to obtain clinical diagnostic information. The IVD industry is subdivided into various sectors including immunodiagnostics, clinical chemistry, molecular diagnostics, microbiology diagnostics, blood ...
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Scanning Electron Microscope (SEM): A Powerful Tool for Unveiling the Microscopic World
The scanning electron microscope (SEM) allows us to observe the world in a level of detail that was previously unattainable. SEMs scan a sample's surface with a concentrated electron beam to create high-resolution images. SEM images can be used to examine a variety of materials, including biological tissues, metals, ceramics, and polymers. How does a scanning electron microscope work? A beam of ...
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Metallographic Testing: Unlocking the Secrets of Materials' Microstructures
Metallographic testing is a crucial technique in the field of materials characterization and analysis. It involves the examination of the microstructure of metals and alloys to gain valuable insights into their composition, mechanical properties, and overall quality. This article delves into the significance of metallographic testing and its diverse applications in different industries. ...
By TestXpert
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Using the Hiden HPR-40 DSA System to Characterize COF Development: A New Approach with Real-time Mass Spectrometry
Covalent Organic Frameworks (COFs) have been making waves in the world of material science and gas separation research. These porous crystalline materials, assembled from organic building blocks, hold promise in applications ranging from carbon capture to fuel purification. To truly unlock the potential of COFs, we need advanced techniques that can provide instantaneous and precise feedback on ...
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Extractive Gas Analyzers VS. In Situ Gas Analyzers: A Comparison of Technical Principles and Applications
With the continuous development of science and technology, gas analysis technology plays an important role in environmental monitoring, industrial production, medical diagnosis and other fields. Among them, extractive gas analyzer and in-situ gas analyzer are two common gas analysis methods, each with unique advantages and applicable scenarios. This Blog will make a detailed comparison of these ...
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Application of Flow Cytometry for Microbiological Monitoring of Pharmaceutical Grade Water
Online Water Bioburden Analysis As the main excipient for the pharmaceutical industry, water is integral to patient safety and quality of pharmaceutical products (ISPE 2011). Colony Forming Units (CFU) are defined in the pharmacopoeias as the unit for assessing microbiological quality. CFUs are quantified using the traditional Heterotrophic Plate Count (HPC) method, a three to five-day process ...
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Guide to isothermal titration calorimetry
What is isothermal titration calorimetry? Isothermal titration calorimetry (ITC) is an experimental method used to measure the heat released or consumed in bimolecular chemical reactions. Chemical reactions can be exothermic or heat-consuming, depending on the relative energy stability of the reactants. Isothermal titration calorimetry can be used to quantify the magnitude of the heat change ...
By Profacgen
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LC6000 Good Practice Handbook
To ensure long term reliability and efficiency of the SCION Instruments LC6000 it is vital that considerations are taken when operating the HPLC system. SCION Instruments have now released their LC6000 Good Practice Handbook, a necessity for any HPLC user. The following handbook will provide guidelines for instrument preparation and routine operation recommendations to maintain the outstanding ...
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Unlocking the Potential of UV Gas Analyzers for Enhanced Detection!
Unlock the potential of UV gas analyzers for enhanced detection. This blog aims to educate and inform on UV gas analyzer basics, advantages, applications, and techniques to maximize their ...
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Cryogenic Process and Cryo Storage Solutions from Froilabo
The cryogenic process is a method of freezing and storing samples that involves cooling the temperature of biological materials to stop normal cellular processes and prevent sample degradation for long-term storage. The cryogenic process and cryo storage are ideal solutions for the storage of biological samples and ensuring cell viability over time.Storing a sample under cryogenic conditions ...
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Simple determination of haloacetic acids (HAAs) in potable water with ion chromatography hyphenated to mass spectrometry
Haloacetic acids (HAAs) are commonly produced as disinfection byproducts (DBPs) from water treatment processes. Some HAAs are regulated by the author- ities and have been classified as potentially carcino- genic. They have traditionally been analyzed by gas chromatography (GC), a technique that requires time-consuming sample extraction and derivatiza- tion, leading to higher costs per analysis. ...
By Metrohm AG
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Why Use SIMS Imaging for Depth Profiling?
Secondary ion mass spectrometry (SIMS) is advantageous for its high sensitivity and the ability to provide high spatial resolution elemental and molecular information as a function of depth. This makes SIMS imaging an essential tool for depth profiling, where samples’ chemical/molecular information is investigated layer by layer. It is compatible with a wide range of different species, ...
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Why is SIMS good for Tribofilm analysis
What are tribofilms? Secondary Ion Mass Spectrometry, SIMS can be used to analyse the solid surface layer that forms when materials rub against each other in the presence of a lubricant. The boundary lubricant film, or tribofilm film, is a result of complex chemistry between the lubricant and the material. The formation of tribofilms is a very important aspect of tribology and SIMS can provide ...
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Measuring Biochemical Oxygen Demand (BOD) Continuously in Real Time
Real-time BOD monitoring is becoming increasingly popular, and it’s no surprise as the alternative is a 5 day wait for lab results. Continuous organics monitoring opens the door for many new treatment process control and optimization possibilities that can result in significant cost savings, improved water quality, and compliance peace of mind. Information can be utilized to more effectively dose ...
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Bacteria Preservation with Froilabo
What is Bacteria Preservation?Bacteria preservation is the process of treating and storing bacteria cultures for future use. Preservation of bacteria optimises cell viability for use at a later date, for example in research or diagnostics months or even years after sample collection.Why is Bacteria Preservation Important?If bacteria cultures were stored at room temperature, the cells would ...
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