Meet Inspiring Speakers and Experts at our 3000+ Global Events with over 1000+ Conferences, 1000+ Symposiums and 1000+ Workshops on Medical, Pharma, Engineering, Science, Technology and Business.

Explore and learn more about Conference Series : World’s leading Event Organizer

Conference Series Conferences gaining more Readers and Visitors

Conference Series Web Metrics at a Glance

  • 3000+ Global Events
  • 100 Million+ Visitors
  • 75000+ Unique visitors per conference
  • 100000+ Page views for every individual conference

Unique Opportunity! Online visibility to the Speakers and Experts

Renowned Speakers

Anderson de Jesus Gomes

Anderson de Jesus Gomes

University of Brasilia Brazil

Satyanarayana Somavarapu

Satyanarayana Somavarapu

UCL School of Pharmacy UK

Makhapa Makhafola

Makhapa Makhafola

General Manager MINTEK South Africa

General Manager MINTEK

General Manager MINTEK

Texas A&M University USA USA

Maria-Joao R. P. Queiroz

Maria-Joao R. P. Queiroz

University of Minho Portugal Portugal

Lidia Gardner

Lidia Gardner

The University of Tennessee Health Science Center USA USA

Emmanuel Mic. Drakakis

Emmanuel Mic. Drakakis

Imperial College London UK UK

Ivan Stich

Ivan Stich

Slovak Academy of Sciences Slovakia

Recommended Global Chemistry Webinars & Conferences

Europe & UK
Asia Pacific & Middle East
Canada

Analytical Techniques 2026

Welcome message

Welcome to the 16th World Congress on Analytical & Bioanalytical Techniques, set to take place in the iconic city of Paris, France, on October 21-22, 2026! We are honored to host this prestigious gathering of researchers, scientists, and industry pioneers from around the world to explore breakthroughs and innovations in analytical and bioanalytical sciences.
 
This congress serves as a premier platform for knowledge exchange, collaboration, and inspiration, driving the advancement of our field. Over the next two days, you will engage in insightful discussions, attend groundbreaking presentations, and connect with fellow experts who share your passion for pushing the boundaries of science.
 
We are confident that this event will be both enriching and inspiring, providing new perspectives and fostering valuable connections. Thank you for joining us in Paris for this exceptional opportunity to shape the future of analytical and bioanalytical sciences. We look forward to a transformative and productive experience together!

 

About conference

The 16th World Congress on Analytical & Bioanalytical Techniques will be held in Paris on October 21-22, 2026 in Paris, France. Keynote speeches, oral presentations, poster presentations, and exhibitions will also be held in a timely manner. The subject matter of the convention is "shaping the destiny with new studies in analytical chemistry". It provides a platform for the critical analysis of new data, expands the reach of analytical chemists, and exchanges the latest research findings and results on all aspects of bioanalytical and analytical techniques.
 
The Analytical Conference offers research papers on analytical chemistry expertise from a variety of scientific backgrounds and is open to young researchers and students. The main purpose of the Analytical Techniques Conference is to spread knowledge about analytical and bioanalytical techniques, chromatography, separation techniques, mass spectroscopy, spectroscopy, and spectrometry. With research in both pharmaceutical and life sciences, Analytical 2026 is the perfect place to exchange and develop knowledge on critical analytical techniques and tools. Analytics 2026. deals with the study of all aspects of the substances that make up matter, their properties and reactions, and the use of such reactions to form new substances.
 
This conference offers analytical chemistry research activities with expertise from a variety of scientific backgrounds and is open to young researchers and students alike. The conference is primarily aimed at disseminating knowledge of life science and industrial analytical techniques. As both the life and industrial sciences require analytical and bioanalytical techniques in their research work, analytical conferences are a great place to exchange and develop knowledge about important analytical tools.
 
It is my sincere hope that the Analytical Techniques 2026 will act as an international platform to meet researchers from all over the world, expand professional contacts and generate new opportunities, including the establishment of new collaborations.
 
We look forward to seeing you at Analytical Techniques 2026
 
Conference highlight:
• Analytical Chemistry in Life Sciences and Medicine
• Analytical Chemistry for Environmental Monitoring
• Data-Driven Chemistry
•Industrial and Quality Control Innovations
• Emerging Frontiers in Instrumentation
•Green and Sustainable Analytical Approaches

Why to attend?

Attending the Analytical & Bioanalytical Techniques 2026 Conference provides a unique opportunity to stay at the forefront of the latest developments in the field of analytical sciences. This event brings together leading experts, researchers, and industry professionals to discuss cutting-edge techniques and breakthroughs in analytical and bioanalytical methodologies. By participating, you can gain valuable insights into emerging trends, enhance your skills through hands-on workshops, and engage with new technologies and tools that can advance your research or work. The conference also offers excellent networking opportunities, allowing you to build meaningful connections with peers and potential collaborators, and access opportunities for presenting your own work or learning from the experiences of others. It’s an ideal event for professionals seeking to expand their knowledge, stay competitive, and contribute to the ongoing dialogue in analytical and bioanalytical fields.
Benefits of attending  :
Attending the Analytical & Bioanalytical Techniques Conference allows you to stay updated on the latest innovations, enhance your skills through workshops, and network with experts. It also offers opportunities to present your research and explore new technologies that can advance your career.
• Stay Updated with Latest Trends
• Get Certified for your participation
• Career Development
• Access to Exclusive Resources
• Get your abstracts published with unique DOI in International Journals
• Get an access to the network with eminent personalities from worldwide
• Access to Cutting-Edge Research
• Networking Opportunities
• Get up to 50% discounts for publishing your entire article in our open access International Journals
• Get Handbooks and conference kits
Target Audience: 
• Researchers and Scientists
• Pharmaceutical and Biotech Professionals
• Post-doctoral and Ph.D. students working on Analytical & Bio-Analytical techniques
  Regulatory and Quality Assurance Professionals
• Laboratory Technicians and Analysts
• Academics and Educators
• Industry Experts and Consultants
• Experts in Analytical Techniques
• Directors and Professors from Universities and Institutions
• Instrument and Technology Providers
• Students and Early-Career Researchers
• Research Heads from Research Centers
• Regulatory Authorities

Scientific sessions/Tracks

Advancements in analytical techniques have transformed numerous fields by significantly improving accuracy, speed, and sensitivity. Innovations such as mass spectrometry, high-performance liquid chromatography (HPLC), and nuclear magnetic resonance (NMR) spectroscopy now allow for highly precise molecular analysis. Moreover, the integration of data analytics and machine learning has enhanced the interpretation of complex data, enabling more informed and efficient decision-making across research and industrial applications. These state-of-the-art methods play a vital role in driving progress in pharmaceuticals, environmental science, and materials engineering.
 
Analytical chemistry is the branch of science focused on obtaining, processing, and interpreting information about the composition and structure of matter. It involves the use of various instruments and techniques to separate, identify, and quantify substances. Separation methods are employed to isolate the analytes, and conventional techniques are generally categorized into qualitative and quantitative assays. The identity of a specimen can be inferred by observing the preparation reaction and its components. Specific reagents are selected to react with particular substances or classes of mixtures, forming distinct reactive elements.
 
Quantitative Testing: Traditional quantitative testing methods are classified into gravimetric and volumetric techniques. Both approaches rely on extensive chemical reactions between the analyte and reagents to determine the amount of substance present.
  • Applied Analytical Chemistry
  • Environmental Analytical Chemistry
  • Process Analytical Chemistry
  • Instrumental Methods
Advances in bioanalytical techniques have created a dynamic landscape, offering numerous exciting opportunities to drive future progress. Current objectives focus on studying the introduction of toxic energy into pharmacokinetics, bioequivalence, and related pharmacokinetics/pharmacodynamics studies. Various bioanalytical frameworks are applied in biological investigations, with a particular emphasis on hyphenated bioscience strategies and tools for evaluating drug biostudies.
  • Hyphenation Techniques
  • Chromatographic Strategies
  • Biodiagnostic Procedures for Ligands
Made from materials crucial for future progress, our experts specialize in biodegradable plastics, solar cells, light-emitting diodes, control device terminals, arresting devices, and practical tailoring. They investigate the scaffolding, layers, and potential hydrogen storage within finished devices. Explore innovative inorganic and polymeric materials with diverse applications.
  • Dynamic Mechanical Investigation
  • Inverse Electron Echo Spectroscopy
  • Fluorescence
  • Differential Filter Calorimetry
  • Materials Design Chemistry
Electrophoresis refers to the movement of charged particles under the influence of an electric field. The rate of particle movement is influenced by factors such as the strength of the electric field, the magnitude of the net charge, the state of the particles, and the ionic composition, consistency, and temperature of the medium in which the molecules travel. As a diagnostic tool, electrophoresis is fast, efficient, and highly sensitive, making it ideal for analyzing the characteristics of a single type of charged particle and using it as a framework for further analysis.
 
Types of Electrophoresis:
  • Routine Electrophoresis
  • High-Resolution Electrophoresis
  • Polyacrylamide Gel Electrophoresis
  • Capillary Electrophoresis
  • Affinity Electrophoresis
  • Isoelectric Focusing
  • Immunochemical Electrophoresis
  • Two-Dimensional Electrophoresis
Advancements in mass spectrometry (MS) have greatly improved its sensitivity, accuracy, and speed, enabling precise identification and quantification of molecules. High-resolution MS and innovative ionization techniques have expanded its applications in proteomics, metabolomics, and drug discovery. These developments are revolutionizing analytical chemistry, providing deeper insights into biological processes and accelerating scientific discoveries.
 
Novel approaches to analytical and bioanalytical methods involve innovative techniques and technologies to enhance the accuracy, efficiency, and sensitivity of detecting and quantifying substances in various samples. These advancements aim to improve sample preparation, data analysis, and instrumentation, leading to faster and more reliable results. Cutting-edge methods include advanced chromatography, mass spectrometry, and integrated bioinformatics tools, revolutionizing the fields of pharmaceuticals, environmental testing, and clinical diagnostics.
 
Clinical and Diagnostic Bioanalysis involves techniques for analyzing biological samples to diagnose and monitor diseases. It focuses on developing and applying methods for detecting biomarkers, assessing drug levels, and evaluating patient responses to treatments. This field integrates analytical chemistry with clinical research to improve diagnostics, enhance therapeutic strategies, and support personalized medicine. The goal is to provide accurate, timely, and reliable data for effective patient care and treatment outcomes.
 
Chromatography is a laboratory method for separating mixtures. The mixture is dissolved in a liquid called a moving stage and helps it pass through a structure containing another material called a fixed stage. Different components of the mixture move at different speeds, thus separating them. Separation relies on differential refinement between generic and fixed stages. The modest contrast of compound plot coefficients leads to differential maintenance in the stationary phase and in this sense affects the separation. Chromatography is either preparative or analytical. The reason for preparative chromatography is to split a part of the combination for later use, and then it's far a sort of filtration. Exposure chromatography is routinely performed on small amounts of substances and is used to establish the proximity of analytes in a mixture or to estimate general abundance. The two are not completely independent of each other.
  • Gas Chromatography
  • Thin Layer Chromatography
  • Paper Chromatography
  • Liquid Chromatography
  • Advances in Chromatography and HPLC Technology
Analytical devices play a crucial role across various fields due to their versatility and compatibility with sample analysis. These instruments are widely used both in the field and laboratory settings. Their applications span a range of areas including analytical chemistry, clinical analysis, environmental testing, food and beverage analysis, forensic analysis, life science research (such as metabolomics, genomics, and proteomics), material characterization, petrochemical testing, pharmaceutical analysis, and more. Analytical instruments encompass a broad spectrum of technologies, such as spectroscopy, mass spectrometry, electrochemical analysis, thermal analysis, separation techniques, microscopy, and hybrid methods like GC-MS and HPLC-MS. Examples of these instruments include mass spectrometers, chromatographs (e.g., GC, HPLC), spectrometers (e.g., AAS, X-ray, fluorescence), particle size analyzers, rheometers, elemental analyzers (e.g., salt analyzers, CHN analyzers), and thermal analyzers.
 
Separation processes are unit activities required in most modern pharmaceutical technologies, substances, and various processing plants. Forms of separation include standard and common methods such as purification, retention, and adsorption. These procedures are very normal and important progress is made and checked around them. On the other hand, new separation processes such as membrane-based processes, supercritical fluid extraction, and chromatographic separation are gaining importance in today's systems as new forms of separation.
  • Hyphenated Separation Methods
  • Chromatography as Separation Method
  • Spectroscopy as Separation Method
Environmental Analytical Chemistry focuses on specializing in advanced modern analytical methods to address a variety of issues in the environmental and pharmaceutical industries. This journal covers, for example, analytical instrument techniques for remote estimation, securing atmospheric trace constituents in anthropogenic and characteristic roots, localization and characterization of natural and inorganic toxins in air and water, soil measurements, and environmental studies. covers zones such as essential metals and radionuclide verification. Diverse methods of chemometrics in ecological research. Cases of problems addressed by climate science integrate destructive rains, ozone depletion, photochemical smoke plumes, greenhouse gases, and global warming. Environmental chemistry includes several points such as astrophysics, environmental sciences, ecological demonstrations, geochemistry, ocean chemistry, and pollution remediation.
 
Innovation in food analysis and testing refers to the development of new and advanced methods and techniques for detecting and analyzing food contamination, quality parameters, and food ingredients. These methods include spectroscopy, chromatography, mass spectrometry, and DNA-based techniques. Innovations in food analysis and testing are essential to ensuring food safety, quality, and authenticity. It also enables the detection of food fraud and the identification of new food sources and ingredients. In recent years, there has been a growing demand for rapid and non-destructive methods of food analysis, leading to the development of small, portable devices that can be used in the field and in the field.
 
Pharmaceutical analysis is a strategy or set of methods for identifying or possibly recognizing, substances or recipes that are part of pharmaceutical schedules or mixtures. Pharmacy participates in a wide range of consistent research focused on clinical research, drug disclosure, drug composition, drug delivery, drug activity, drug research, pharmaceutical company funding issues, and administrative issues. Pharmacy is further divided into several academic disciplines such as Pharmacology, Pharmacodynamics, Pharmacokinetics, Pharmacotoxicology, Pharmacogenomics, Pharmacy, Pharmaceutical Sciences, and Pharmacy.
 
Description and New Methods to Address Bioanalytical Strategies
  • Bioanalytical Systems
  • Chromatography and Systems
  • Spectroscopic Systems
  • Nuclear Gravity Reverberations
  • Mass Spectrometry
  • Regulatory Issues and Biosafety Challenges in Bioanalytical
Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful analytical technique used to determine the structure of small organic molecules. By measuring the magnetic properties of atomic nuclei, NMR provides detailed information about molecular structure, dynamics, and environment. This method is essential in organic chemistry for elucidating molecular frameworks and verifying compound purity.
 
In general, biopolymers have received a great deal of attention due to their diverse applications that can address increasing environmental concerns and vitality requirements. The improvement of various biomaterials has also made remarkable progress in the field of repair, and many biopolymers are used in the production of biomaterials. Combining biopolymers and biomaterials presents extraordinary possibilities for new materials, applications, and jobs.
 
Various studies on biopolymers and biomaterials are presented, along with their results, explanations, and conclusions drawn from the studies. This includes biopolymer combinations, their representations, and potential applications.
 
In 2025, clinical diagnostics equipment and kits will see significant advancements through innovations in precision medicine, AI, and digital technologies. Point-of-care testing (POCT) will become more prevalent, enabling quicker, on-site results, which is especially valuable in emergency and remote situations. Devices will integrate mobile health solutions and AI to enhance diagnostic accuracy. Next-generation sequencing (NGS) and liquid biopsy will transform oncology by allowing for earlier, less invasive cancer detection. AI-powered diagnostics, such as digital pathology, will improve the precision of disease detection. The expansion of diagnostic tools will also extend into neurology and autoimmune diseases, allowing for more personalized treatment options.
 
Proteomics is the large-scale study of proteins in biological systems. This involves identifying, characterizing, and quantifying all proteins within a given sample and analyzing their functions, interactions, and modifications. Proteomics has many applications in biomedical research, including the discovery of new biomarkers for disease diagnosis and prognosis, the development of new drugs and therapeutics, and the identification of molecular targets for drug development. It is also used in fields such as agriculture, environmental science, and biotechnology to understand protein expression and function in various systems.
  • Mass Spectrometry Proteomics
  • Integrating Transcriptomics and Proteomics
  • Protein Interactions in Biology
  • Proteomics in Biomedical Applications
  • Proteomics in Plant and Animal
Personalized medicine tailors treatments based on individual genetic profiles, but it faces analytical hurdles. Key challenges include managing vast genomic data, integrating multi-omics information, and ensuring data accuracy. Algorithms must adapt to genetic variability and predict patient responses with precision. Additionally, interpreting complex interactions among genes, environmental factors, and lifestyle requires advanced bioinformatics tools and robust statistical methods to ensure effective, individualized healthcare solutions.
 
Analytical chemistry plays a crucial role in the energy sector by ensuring the quality and efficiency of energy sources. It involves the precise measurement and analysis of substances in fuels, lubricants, and waste products. Techniques such as spectroscopy, chromatography, and mass spectrometry are employed to detect impurities, optimize energy production processes, and monitor environmental impact. This ensures compliance with regulations and enhances the performance and sustainability of energy systems.
 
Mass spectrometry is widely used for identifying and quantifying molecules based on their mass-to-charge ratio. It plays a critical role in diverse fields such as pharmaceuticals for drug development, environmental science for pollutant detection, and clinical diagnostics for disease biomarker identification. Additionally, it aids in proteomics and genomics for understanding protein and DNA structures, enhancing research and applications across various scientific disciplines.
 
Chromatography is a method used in laboratories to separate mixtures of components. A solution called the mobile phase dissolves the mixture and transports it through the structure containing the stationary phase. The combination is split because different components move at different speeds in different media.
  • Disease prevention
  • Food containment
  • Plant secondary metabolites
  • Nutritional deficiencies
Microscopy is the scientific technique of using a microscope to magnify and visualize objects or materials too small to see with the naked eye. This allows researchers to study in detail the structure, composition, and behavior of various materials such as biological samples, minerals, and electronic components. There are various types of microscopes, such as optical microscopes, electron microscopes, and scanning probe microscopes, each with its own advantages and disadvantages. Microscopes are essential tools in many fields such as biology, materials science, nanotechnology, and medicine.
 
Nanomaterials and nanotechnology revolutionize analytical techniques, enabling unprecedented sensitivity and specificity. Nanoscale materials, such as quantum dots and nanoparticles, enhance imaging and diagnostic methods, allowing for early disease detection and precise molecular characterization. These innovations facilitate the development of advanced sensors and lab-on-a-chip devices, providing rapid, accurate analyses in environmental monitoring, medical diagnostics, and chemical detection, thereby transforming traditional approaches and driving forward scientific progress.

Participation / Presentation Options

Oral presentation: Oral Presentations may include the topics from researches, theoretical, professional or private practices in a concise manner. Individuals with personal experience are also welcome to present personal experiences or narratives which help others in everyday life. Speakers with a 30-minute slot should plan to speak for 20-25 minutes, and Keynote speakers should plan to speak for 40-45 minutes, with the remaining time to be used for questions and discussion by the Session Chair.
 
Workshop: For workshop presenters also, the topic of the talk will be the same as an Oral presentation with more specialized techniques and detailed demonstration. The generalized time duration for a workshop presentation is about 45-50 minutes. Interested participants can join with their respective team and present the workshop with their research coordinators with special group waivers on registration.
 
Poster presentation: Student Poster Competition will be organized at the Analytical Techniques 2026 conference is to encourage students and recent graduates to present their original research. Presenters will be given about 5-7 minutes to present the poster including questions and answers. Judges may ask questions during the evaluation of the presentation. This is an opportunity for young scientists to learn about the recent findings of their peers to increase their capacity as multidisciplinary researchers. Poster displays will be in hard copy format of 1x1 M long.
 
For more details regarding Poster Presentation and Judging Criteria view Poster Presentation Guidelines.
 
Webinar: The webinar presentation is designed for those interested attendees who cannot join in person due to schedule conflicts or other obligations. In this option, the presenter may record the presentation and their presentation will be presented in the Webinar presentation session.
 
E-Poster: e-Poster is also similar to the webinar presentation. In this session, their presentation will be published in the form of a poster in the conference website and the presenter abstract will be published in the conference souvenir and journal with DOI.
 
Exhibition: Analytical Techniques 2026 has the opportunity to exhibit the products and services from commercial and non-commercial organizations like Drug manufacturers, Clinical Trial Sites, Management Consultants, Chemists, Pharmacists, Business delegates and Equipment Manufacturers.
 
To know more about exhibitor booth details and benefits visit WHY TO EXHIBIT WITH US?
 
Send your queries to analyticaltechniques@europeconferences.com
 
Advertisement: The conference program is a valuable resource that all attendees refer again and again as they navigate the conference. Advertising in the conference program is a great way to market and can help you secure long term business.
 
Send your proposal to analyticaltechniques@europeconferences.com to know the available advertisement options and prices
 
             Sponsor Analytical Techniques 2026
             Premium Sponsorship package
             Additional Sponsorship package
 
Mail the program manager at analyticaltechniques@europeconferences.com or WhatsApp on (+44-204586124 )to know more about the sponsorship packages.
 
'Once again it is an honor to welcome you all to the upcoming “16th World Congress on Analytical & Bioanalytical Techniques” scheduled on October 21-22, 2026,  Paris, France'

To Collaborate Scientific Professionals around the World

Conference Date October 21-22, 2026

For Sponsors & Exhibitors

sponsor@conferenceseries.com

Speaker Opportunity

Past Conference Report

Supported By

Mass Spectrometry & Purification Techniques Journal of Chromatography & Separation Techniques

All accepted abstracts will be published in respective Conference Series International Journals.

Abstracts will be provided with Digital Object Identifier by


Media partners & Collaborators & Sponsors

mediapartner

Media Partner

mediapartner

Media Partner

mediapartner

Media Partner

mediapartner

Media Partner

mediapartner

Media Partner

mediapartner

Media Partner

Keytopics

  • Advanced Sample Preparation Techniques
  • Agricultural & Veterinary Bioanalysis
  • Allergen & Adulterant Detection
  • Artificial Intelligence & Machine Learning In Bioanalysis
  • Atomic Absorption & Emission Spectroscopy
  • Automation & Robotics In Analysis
  • Bioanalytical Method Development & Validation
  • Bioequivalence & Pharmacokinetic Studies
  • Biomarker Discovery & Validation
  • Biosensors & Biochips
  • Biosimilars & Biologics Characterization
  • Clinical Diagnostics & Translational Analysis
  • Data Analytics & Chemometrics
  • Drug Metabolism & Pharmacodynamics
  • Electroanalytical Methods
  • Electrophoretic Techniques (CE, Gel Electrophoresis)
  • Environmental Monitoring & Pollutant Analysis
  • Enzyme Assays & Kinetics
  • Ethical & Data Integrity In Analytical Research
  • Food Safety & Quality Analysis
  • Forensic & Toxicological Analysis
  • Future Trends In Analytical & Bioanalytical Techniques
  • Glycomics & Lipidomics
  • Green & Sustainable Analytical Chemistry
  • High-Throughput Screening Methods
  • Imaging & Microscopy Techniques
  • Immunoassays & Ligand-Binding Assays
  • Impurity Profiling & Trace Analysis
  • Industrial & Process Analytical Technology (PAT)
  • Mass Spectrometry & Hyphenated Techniques
  • Metabolomics & Metabolic Profiling
  • Microfluidics & Lab-on-a-Chip Technologies
  • Nanotechnology In Analytical Science
  • Nuclear Magnetic Resonance (NMR) Spectroscopy
  • Nucleic Acid Analysis Techniques
  • Nutraceutical & Herbal Product Analysis
  • Occupational & Exposure Monitoring
  • Omics-Driven Analytical Approaches
  • Peptide Mapping & Sequencing
  • Personalized Medicine & Precision Diagnostics
  • Pesticide & Residue Analysis
  • Pharmaceutical Quality Control & Assurance
  • Point-of-Care Testing Technologies
  • Protein Characterization & Analysis
  • Proteomics & Structural Proteomics
  • Quality By Design (QbD) In Bioanalysis
  • Reference Materials & Method Standardization
  • Regulatory Guidelines In Bioanalysis
  • Single-Cell Analysis
  • Spectroscopic Methods (UV-Vis, IR, Raman)
  • Stability Testing & Degradation Studies
  • Surface & Interface Analysis
  • Therapeutic Drug Monitoring
  • Thermal Analysis (DSC, TGA, DTA)
  • Translational & Clinical Bioanalytical Applications
  • Vaccine & Biopharmaceutical Analysis
  • Validation Of Novel Analytical Methods
  • Water & Soil Analysis Techniques
  • X-ray Diffraction (XRD) & Crystallography
  • "Chromatographic Techniques (HPLC