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  • Commentary
  • Open Access
18 Citations
74,696 Views
8 Pages

DNA impurities can impact the safety of genetically engineered pharmaceuticals; thus, a specific limit value must be set for them during marketing authorisation. This particularly applies to mRNA vaccines, as large quantities of DNA templates are use...

  • Review
  • Open Access
10 Citations
15,162 Views
14 Pages

Tn5 DNA Transposase in Multi-Omics Research

  • Dmitry Penkov,
  • Ekaterina Zubkova and
  • Yelena Parfyonova

28 February 2023

Tn5 transposase use in biotechnology has substantially advanced the sequencing applications of genome-wide analysis of cells. This is mainly due to the ability of Tn5 transposase to efficiently transpose DNA essentially randomly into any target DNA w...

  • Protocol
  • Open Access
3 Citations
12,010 Views
31 Pages

1 February 2024

The development of monoclonal antibodies (mAbs) represents a significant milestone in both basic research and clinical applications due to their target specificity and versatility in therapeutic and diagnostic applications. The innovative strategy of...

  • Article
  • Open Access
11 Citations
11,802 Views
17 Pages

A Critical Exploration of the Total Flavonoid Content Assay for Honey

  • Sharmin Sultana,
  • Ivan Lozada Lawag,
  • Lee Yong Lim,
  • Kevin J. Foster and
  • Cornelia Locher

21 November 2024

This study critically investigates the aluminium chloride–based colorimetric determination of the total flavonoid content (TFC) of honey. Following a comprehensive review of the recent literature reporting the use of the assay in the determinat...

  • Protocol
  • Open Access
5 Citations
10,926 Views
10 Pages

A Simple and Rapid Protocol for the Isolation of Murine Bone Marrow Suitable for the Differentiation of Dendritic Cells

  • Runqiu Song,
  • Mariam Bafit,
  • Kirsteen M. Tullett,
  • Peck Szee Tan,
  • Mireille H. Lahoud,
  • Meredith O’Keeffe,
  • Anthony W. Purcell and
  • Asolina Braun

27 February 2024

The generation of bone-marrow-derived dendritic cells is a widely used approach in immunological research to study antigen processing and presentation, as well as T-cell activation responses. However, the initial step of isolating the bone marrow can...

  • Study Protocol
  • Open Access
2 Citations
10,682 Views
9 Pages

Effects of Sucralose Supplementation on Glycemic Response, Appetite, and Gut Microbiota in Subjects with Overweight or Obesity: A Randomized Crossover Study Protocol

  • Zeniff Reyes-López,
  • Viridiana Olvera-Hernández,
  • Meztli Ramos-García,
  • José D. Méndez,
  • Crystell G. Guzmán-Priego,
  • Miriam C. Martínez-López,
  • Carlos García-Vázquez,
  • Carina S. Alvarez-Villagomez,
  • Isela E. Juárez-Rojop and
  • Jorge L. Ble-Castillo
  • + 1 author

Sucralose stands as the most common non-nutritive sweetener; however, its metabolic effects have sparked significant controversy over the years. We aim to examine the effects of sucralose daily intake on glycemia, subjective appetite, and gut microbi...

  • Brief Report
  • Open Access
26 Citations
10,657 Views
10 Pages

Comparison of Automated and Traditional Western Blotting Methods

  • Aino Sormunen,
  • Emma Koivulehto,
  • Kari Alitalo,
  • Kalle Saksela,
  • Nihay Laham-Karam and
  • Seppo Ylä-Herttuala

Traditional Western blotting is one of the most used analytical techniques in biological research. However, it can be time-consuming and suffer from a lack of reproducibility. Consequently, devices with different degrees of automation have been devel...

  • Review
  • Open Access
3 Citations
10,190 Views
27 Pages

The Allium cepa Model: A Review of Its Application as a Cytogenetic Tool for Evaluating the Biosafety Potential of Plant Extracts

  • Daniela Nicuță,
  • Luminița Grosu,
  • Oana-Irina Patriciu,
  • Roxana-Elena Voicu and
  • Irina-Claudia Alexa

In establishing the safety or tolerability profile of bioactive plant extracts, it is important to perform toxicity studies using appropriate, accessible, and sustainable methods. The Allium cepa model is well known and frequently used for accurate e...

  • Article
  • Open Access
38 Citations
9,701 Views
10 Pages

Test−Retest Reliability of Isokinetic Ankle, Knee and Hip Strength in Physically Active Adults Using Biodex System 4 Pro

  • Juho Tuominen,
  • Mari Leppänen,
  • Heidi Jarske,
  • Kati Pasanen,
  • Tommi Vasankari and
  • Jari Parkkari

Background: The isokinetic dynamometry is considered a gold standard in muscle strength testing. The reliability of lower limb isokinetic strength measurements has not been thoroughly evaluated. Objective: To examine the test−retest reliability...

  • Review
  • Open Access
13 Citations
9,186 Views
14 Pages

Imaging Flow Cytometry: Development, Present Applications, and Future Challenges

  • Savvas Dimitriadis,
  • Lefkothea Dova,
  • Ioannis Kotsianidis,
  • Eleftheria Hatzimichael,
  • Eleni Kapsali and
  • Georgios S. Markopoulos

Imaging flow cytometry (ImFC) represents a significant technological advancement in the field of cytometry, effectively merging the high-throughput capabilities of flow analysis with the detailed imaging characteristics of microscopy. In our comprehe...

  • Review
  • Open Access
5 Citations
8,903 Views
16 Pages

A Review of Histological Techniques for Differentiating Human Bone from Animal Bone

  • Emanuela Stan,
  • Camelia-Oana Muresan,
  • Ecaterina Daescu,
  • Raluca Dumache,
  • Veronica Ciocan,
  • Stefania Ungureanu,
  • Dan Costachescu and
  • Alexandra Enache

The first step in anthropological study is the positive identification of human remains, which can be a challenging undertaking when bones are broken. When bone pieces from different species are mixed together, it can be crucial to distinguish betwee...

  • Protocol
  • Open Access
14 Citations
8,817 Views
10 Pages

High-Efficiency Transformation and Expression of Genomic Libraries in Yeast

  • Mira Loock,
  • Luiza Berenguer Antunes,
  • Rhiannon T Heslop,
  • Antonio Alfonso De Lauri,
  • Andressa Brito Lira and
  • Igor Cestari

21 September 2023

Saccharomyces cerevisiae is a powerful system for the expression of genome-wide or combinatorial libraries for diverse types of screening. However, expressing large libraries in yeast requires high-efficiency transformation and controlled expression....

  • Article
  • Open Access
32 Citations
8,739 Views
12 Pages

Recent advances in genomic technologies have enabled more in-depth study of the oral microbiome. In this study, we compared the amplicons generated by primers targeting different sites of the 16S rRNA gene found in the Human Oral Microbiome Database...

  • Protocol
  • Open Access
26 Citations
8,655 Views
11 Pages

Real-Time Monitoring of Lysosomal Membrane Permeabilization Using Acridine Orange

  • Ida Eriksson,
  • Linda Vainikka,
  • Hans Lennart Persson and
  • Karin Öllinger

Loss of lysosomal membrane integrity results in leakage of lysosomal hydrolases to the cytosol which might harm cell function and induce cell death. Destabilization of lysosomes often precede apoptotic or necrotic cell death and occur during both phy...

  • Protocol
  • Open Access
4 Citations
8,455 Views
11 Pages

The affinity constant, also known as the equilibrium constant, binding constant, equilibrium association constant, or the reciprocal value, the equilibrium dissociation constant (Kd), can be considered as one of the most important characteristics for...

  • Study Protocol
  • Open Access
2 Citations
8,182 Views
11 Pages

Efficacy of Sonic-Powered and Manual Toothbrushes on Plaque-Induced Gingivitis in Pregnant Women: A Randomized Controlled Trial

  • Céline Clément,
  • Denis Bourgeois,
  • Flavia Vitiello,
  • Herve Perrier,
  • Ariane Tabary and
  • Florence Carrouel

12 October 2023

Hormonal changes and physiological alterations in pregnancy increase the susceptibility of the woman to oral diseases such as plaque-induced gingivitis. In individual oral prophylaxis, effective tooth brushing can reduce gingival inflammation. Theref...

  • Protocol
  • Open Access
3 Citations
8,106 Views
10 Pages

Improving 2-Chlorotrityl Chloride (2-CTC) Resin Activation

  • Tanya Román,
  • Gerardo Acosta,
  • Beatriz G. de la Torre,
  • Constanza Cárdenas,
  • Fanny Guzmán and
  • Fernando Albericio

8 September 2023

Used in solid-phase peptide synthesis (SPPS) for peptides with an acid termination, the 2-chlorotrityl chloride (2-CTC) resin is highly susceptible to moisture, leading to reduced resin loading and lower synthetic yields. It is therefore recommended...

  • Protocol
  • Open Access
7 Citations
7,919 Views
12 Pages

Background: Essential oils have gained in significance due to their various biological activities, and there is a growing demand for them in many industries. The present article focuses on the technical steps for an in vitro evaluation of the antibac...

  • Protocol
  • Open Access
4 Citations
7,876 Views
16 Pages

Protocol for Facile Synthesis of Fmoc-N-Me-AA-OH Using 2-CTC Resin as Temporary and Reusable Protecting Group

  • Tanya Román,
  • Gerardo Acosta,
  • Constanza Cárdenas,
  • Beatriz G. de la Torre,
  • Fanny Guzmán and
  • Fernando Albericio

13 November 2023

One approach to enhance the bioavailability and half-life of peptides in vivo is through N-methylation of one or more of the amino acids within the peptide sequence. However, commercially available Fmoc-N-Me-AA-OHs are limited and often expensive. In...

  • Communication
  • Open Access
7,860 Views
10 Pages

A Cost-Effective Immobilization Method for MBP Fusion Proteins on Microtiter Plates Using a Gelatinized Starch–Agarose Mixture and Its Application for Convenient Protein–Protein Interaction Analysis

  • Yuri Emoto,
  • Ryoya Katayama,
  • Emi Hibino,
  • Sho Ishihara,
  • Natsuko Goda,
  • Takeshi Tenno,
  • Yoshihiro Kobashigawa,
  • Hiroshi Morioka and
  • Hidekazu Hiroaki

The detection and quantification of protein–protein interactions (PPIs) is a crucial technique that often involves the use of recombinant proteins with fusion protein tags, such as maltose-binding protein (MBP) and glutathione-S-transferase (GS...

  • Review
  • Open Access
5 Citations
7,816 Views
13 Pages

Cell-free protein synthesis (CFPS) is a method utilized for producing proteins without the limits of cell viability. The plug-and-play utility of CFPS is a key advantage over traditional plasmid-based expression systems and is foundational to the pot...

  • Article
  • Open Access
16 Citations
7,614 Views
8 Pages

Intrarater Reliability and Analysis of Learning Effects in the Y Balance Test

  • Olli Kattilakoski,
  • Noora Kauranen,
  • Mari Leppänen,
  • Pekka Kannus,
  • Kati Pasanen,
  • Tommi Vasankari and
  • Jari Parkkari

While the general reliability of the Y balance test has been previously found to be excellent, earlier reviews highlighted a need for a more consistent methodology between studies. The purpose of this test–retest intrarater reliability study wa...

  • Protocol
  • Open Access
1 Citations
7,270 Views
11 Pages

Development and Validation of Micro-Azocasein Assay for Quantifying Bromelain

  • Krishna Pillai,
  • Javed Akhter,
  • Ahmed H. Mekkawy,
  • Sarah J. Valle and
  • David L. Morris

The proteolytic activity of enzymes may be evaluated by a colorimetric method with azocasein. Hence, we developed a micro-assay to quantify bromelain using azocasein. A total of 250 µL of 1.0% azocasein in dH2O was added to 250 µL of test...

  • Protocol
  • Open Access
19 Citations
7,263 Views
7 Pages

A Robust and Standardized Approach to Quantify Wound Closure Using the Scratch Assay

  • Stefan Balko,
  • Evan Kerr,
  • Edward Buchel,
  • Sarvesh Logsetty and
  • Afshin Raouf

17 September 2023

The scratch assay is an in vitro assay that allows for high-throughput quantification of wound closure by keratinocytes and fibroblasts with relative ease. However, this assay is amenable to experimental variables, which can result in false-positive...

  • Article
  • Open Access
4 Citations
7,055 Views
20 Pages

Critical Evaluation of Embedding Media for Histological Studies of Early Stages of Chick Embryo Development

  • Melyssa Kmecick,
  • Mariliza Cristine Vieira da Costa,
  • Eduardo da Costa Ferreira,
  • Maritana Mela Prodocimo and
  • Claudia Feijó Ortolani-Machado

A histological examination is an important tool in embryology, developmental biology, and correlated areas. Despite the amount of information available about tissue embedding and different media, there is a lack of information regarding best practice...

  • Brief Report
  • Open Access
6,901 Views
9 Pages

Improved Separation in Horizontal Protein SDS-PAGE with Double-Deck Flat Electrodes and a Field Inversion Gel Electrophoresis Module

  • Dong Woo Lim,
  • Tae-Sung Yoon,
  • Kyung Ho Han,
  • Saba Sajjad,
  • Heung-Seon Shin and
  • Sunghyun Kang

3 November 2023

The horizontal flatbed electrophoresis method is employed to separate protein samples, providing greater flexibility for various electrophoretic applications and easier sample loading compared to its vertical counterpart. In the currently available e...

  • Protocol
  • Open Access
1 Citations
6,867 Views
8 Pages

Optimization of Nile Tilapia Artificial Breeding Using Human Chorionic Gonadotropin (hCG) Hormone

  • Golam Rbbani,
  • Prabhugouda Siriyappagouder,
  • Riaz Murshed,
  • Rajesh Joshi,
  • Artem Nedoluzhko,
  • Jorge Galindo-Villegas and
  • Jorge M. O. Fernandes

Nile tilapia (Oreochromis niloticus) is the most widely farmed tilapia species globally, making it one of the most important aquaculture species. To meet increasing demand, hatcheries occasionally use artificial breeding techniques such as hormonal i...

  • Article
  • Open Access
2 Citations
6,705 Views
15 Pages

Pole Dancing-Specific Muscle Strength: Development and Reliability of a Novel Assessment Protocol

  • Despoina Ignatoglou,
  • Achilleas Paliouras,
  • Eleftherios Paraskevopoulos,
  • Nikolaos Strimpakos,
  • Paraskevi Bilika,
  • Maria Papandreou and
  • Eleni Kapreli

Background: Pole dancing is a physically demanding sport that combines dance and acrobatic movements on a vertical pole. Despite its highly growing popularity, there is currently limited research in the field. The aim of this study was to create and...

  • Review
  • Open Access
2 Citations
6,656 Views
43 Pages

Mechanisms of Resistance to CAR T-Cells and How to Overcome Them

  • Luca Legato,
  • Matteo Bisio,
  • Filippo Fasano,
  • Corrado Benevolo Savelli,
  • Carolina Secreto,
  • Chiara Maria Dellacasa,
  • Barbara Botto,
  • Alessandro Busca,
  • Marco Cerrano and
  • Mattia Novo
  • + 1 author

11 September 2025

In the last few decades, chimeric antigen receptor (CAR) T-cell therapy has led to a paradigm shift in the treatment of hematological malignancies, including various subtypes of B-cell non-Hodgkin’s lymphoma, B-cell acute lymphoblastic leukemia...

  • Study Protocol
  • Open Access
1 Citations
6,501 Views
21 Pages

Core stability is fundamental to posture, balance, and force transmission throughout the kinetic chain. Although traditionally associated with athletic performance, emerging research highlights its broader applicability to recreational fitness. This...

  • Article
  • Open Access
4 Citations
6,351 Views
12 Pages

Fluorescence Analysis of Quinine in Commercial Tonic Waters

  • Artturi Harcher,
  • Connor Ricard,
  • Danielle Connolly,
  • Isabel Gibbs,
  • Jarve Shaw,
  • Jillian Butler,
  • Julia Perschbacher,
  • Lindsay Replogle,
  • Michaela Eide and
  • Soma Dhakal
  • + 6 authors

Quinine is known for treating malaria, muscle cramps, and, more recently, has been used as an additive in tonic water due to its bitter taste. However, it was shown that excessive consumption of quinine can have severe side effects on health. In this...

  • Protocol
  • Open Access
3 Citations
6,269 Views
11 Pages

12 October 2023

Drosophila melanogaster is an excellent model for dissecting innate immune signaling and functions. Humoral and cellular immune mechanisms in the fly take place in the hemolymph, where host defense components are secreted and act in response to micro...

  • Article
  • Open Access
9 Citations
6,262 Views
17 Pages

Scale-Up of the Fermentation Process for the Production and Purification of Serratiopeptidase Using Silkworm Pupae as a Substrate

  • Jhon Jairo Melchor-Moncada,
  • Alejandra García-Barco,
  • Augusto Zuluaga-Vélez,
  • Luz Angela Veloza and
  • Juan Carlos Sepúlveda-Arias

25 February 2024

Serratiopeptidase, a bacterial metalloprotease known for its pain-relieving and anti-inflammatory properties, can be produced through fermentation with S. marcescens. This study aimed to identify key factors related to nutrient composition and physic...

  • Systematic Review
  • Open Access
5 Citations
6,259 Views
14 Pages

17 October 2023

Concept mapping is a phased, mixed-method approach that is increasingly used in health research to develop an understanding of complex phenomena. The six phases of concept mapping are preparation, idea generation, structuring (clustering and prioriti...

  • Article
  • Open Access
16 Citations
6,225 Views
16 Pages

The aim of this research is to define optimal conditions to improve the stability of gold and silver nanoparticles’ anti-zearalenone antibody conjugates for their utilisation in lateral flow immunochromatographic assay (LFIA). The Turkevich&nda...

  • Protocol
  • Open Access
12 Citations
6,213 Views
13 Pages

12 February 2023

Flow cytometry gives a unique opportunity to analyze thousands of individual cells for multiple parameters in a course of minutes. The most commonly used flow cytometry application in plant biology is estimation of nuclear DNA content. This becomes a...

  • Article
  • Open Access
5 Citations
6,195 Views
19 Pages

Improvement and Validation of a Genomic DNA Extraction Method for Human Breastmilk

  • Mario Iván Alemán-Duarte,
  • Blanca Rosa Aguilar-Uscanga,
  • Guadalupe García-Robles,
  • Felipe de Jesús Ramírez-Salazar,
  • Israel Benítez-García,
  • Edgar Balcázar-López and
  • Josué Raymundo Solís-Pacheco

The human milk microbiota (HMM) of healthy women can vary substantially, as demonstrated by recent advances in DNA sequencing technology. However, the method used to extract genomic DNA (gDNA) from these samples may impact the observed variations and...

  • Review
  • Open Access
8 Citations
6,137 Views
23 Pages

The European Union’s recent decision to renew the authorization for the use of glyphosate until 15 December 2033 has stimulated scientific discussion all around the world regarding its toxicity or otherwise for humans. Glyphosate is a chemical...

  • Technical Note
  • Open Access
1 Citations
6,098 Views
15 Pages

Sustainable Methodologies for Efficient Gel Electrophoresis and Streamlined Screening of Difficult Plasmids

  • Nadeem Asad,
  • Emily Smith,
  • Sudeep Shakya,
  • Sutton Stegman and
  • Lisa Timmons

We describe a workflow for efficient, environmentally attentive, and sustainable practices related to routine agarose gel electrophoresis. The methods reduce plastic waste and improve efficiency, especially for the exhaustive screening of difficult-t...

  • Protocol
  • Open Access
4 Citations
6,051 Views
14 Pages

Protocol Article: A Cross-Sectional Evaluation of Children’s Feet and Lower Extremities

  • Christian Wong,
  • Christina Ystrøm Bjerge,
  • Ales Jurca,
  • Michael Mørk Petersen,
  • Soren Boedtker,
  • Andreas Balslev-Clausen and
  • Steen Harsted

1 December 2023

Background: The health of children’s lower extremities and feet is a focus area for caregivers and healthcare professionals such as doctors, school nurses, and podiatrists. Our study aims to investigate the general health status of Danish child...

  • Protocol
  • Open Access
1 Citations
5,954 Views
11 Pages

Protocol to Assess the Biological Activity of Insulin Glargine, Insulin Lispro, and Insulin Aspart In Vitro

  • Mamatha Garige,
  • Susmita Ghosh,
  • Brian Roelofs,
  • V. Ashutosh Rao and
  • Carole Sourbier

Insulin is a hormone produced by β-cells of the pancreas and controls the amount of sugar in the blood. Since its discovery over 100 years ago, insulin has been used as a life-saving treatment for people with diabetes. Historically, the biologic...

  • Study Protocol
  • Open Access
5,932 Views
19 Pages

Gathering the Evidence on Diet and Depression: A Protocol for an Umbrella Review and Updated Meta-Analyses

  • Alexandra M. Bodnaruc,
  • Coralie Vincent,
  • Carolina Soto,
  • Miryam Duquet,
  • Denis Prud’homme and
  • Isabelle Giroux

Our objectives are to perform (1) an umbrella review on diet and depression, (2) a systematic review update on dietary patterns and depression, and (3) updated meta-analyses using studies from the previous two objectives. Systematic reviews examining...

  • Study Protocol
  • Open Access
9 Citations
5,806 Views
12 Pages

Introducing Artificial Intelligence in Interpretation of Foetal Cardiotocography: Medical Dataset Curation and Preliminary Coding—An Interdisciplinary Project

  • Jasmin Leonie Aeberhard,
  • Anda-Petronela Radan,
  • Ramin Abolfazl Soltani,
  • Karin Maya Strahm,
  • Sophie Schneider,
  • Adriana Carrié,
  • Mathieu Lemay,
  • Jens Krauss,
  • Ricard Delgado-Gonzalo and
  • Daniel Surbek

Artificial intelligence (AI) is gaining increasing interest in the field of medicine because of its capacity to process big data and pattern recognition. Cardiotocography (CTG) is widely used for the assessment of foetal well-being and uterine contra...

  • Protocol
  • Open Access
4 Citations
5,649 Views
18 Pages

A Versatile Protocol for Efficient Transformation and Regeneration in Mega Indica Rice Cultivar MTU1010: Optimization through Hormonal Variables

  • Pragya Yadav,
  • V. V. Santosh Kumar,
  • Jyoti Priya,
  • Shashank Kumar Yadav,
  • Shivani Nagar,
  • Meenu Singh and
  • Viswanathan Chinnusamy

23 November 2023

Rice is one of the apex food crops in terms of meeting the daily calorific and dietary requirement of the majority of the world population. However, rice productivity is severely limited by various biotic and abiotic attributes, causing a severe thre...

  • Brief Report
  • Open Access
7 Citations
5,594 Views
11 Pages

10 November 2023

Whole-brain imaging is important for understanding brain functions through deciphering tissue structures, neuronal circuits, and single-neuron tracing. Thus, many clearing methods have been developed to acquire whole-brain images or images of three-d...

  • Protocol
  • Open Access
4 Citations
5,534 Views
10 Pages

Although 2D in vitro cancer cell cultures have been used for decades as a first line-of-research tool to investigate antitumoral drugs and treatments, their use presents many drawbacks, including the poor resemblance of such cultures to the character...

  • Article
  • Open Access
4 Citations
5,493 Views
19 Pages

Optimizing Cell Density and Unveiling Cytotoxic Profiles of DMSO and Ethanol in Six Cancer Cell Lines: Experimental and In Silico Insights

  • Abutaleb Asiri,
  • Munazzah Tasleem,
  • Muwadah Al Said,
  • Abdulaziz Asiri,
  • Ali Ahmed Al Qarni and
  • Ahmed Bakillah

Background: Accurate assessment of drug cytotoxicity in vitro is essential for preclinical evaluation of anticancer agents. Methodological parameters such as cell density and solvent concentrations can significantly influence the reproducibility and...

  • Protocol
  • Open Access
4 Citations
5,427 Views
16 Pages

Two Methods for the Isolation and Cultivation of Porcine Primary Corneal Cells

  • Alice Rocha Teixeira Netto,
  • Marc Dieter Hrusa,
  • Karl-Ulrich Bartz-Schmidt,
  • Sven Schnichels and
  • José Hurst

In ophthalmic research, there is a strong need for in vitro corneal cell models. Here, we describe different protocols for the cultivation of primary corneal cells that were isolated from porcine eyes. This primary cell culture can be used to test ne...

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Methods Protoc. - ISSN 2409-9279