Active Research Portfolio · University of Chittagong

Research Programs

Investigating high-priority viral pathogens, reverse vaccinology, mucosal antibody dynamics, and therapeutic protein stability to address global and regional epidemiological challenges.

Competitive Research Grants & National Initiatives

Targeted Research Thrusts & Translational Discoveries

Investigating Dengue lineage shifts, SARS-CoV-2 atomic escape trajectories, Chikungunya arthralgia biomarkers, and Agarwood resin elicitation funded by World Bank (HEAT-11009-CU), MOST, and international partners.

Programs
6 Core
Active Projects
Lead Grant
HEAT
World Bank / UGC
Targets
4 Viral
& Plant Thrusts
Publications ↗
Domain:
Showing 6 of 6 active initiatives Laboratory of Molecular & Structural Immunology
Dengue Seroprevalence, Mutational Dynamics & Clinical Correlation
Viral Immunology & Molecular Epidemiology
Ongoing Project ● Active

Dengue Seroprevalence, Mutational Dynamics & Clinical Correlation

Comprehensive surveillance correlating clinical disease severity with DENV lineage shifts, host seroprevalence, and in vivo murine challenge models.

Indirect & Neutralization ELISA qRT-PCR & Amplicon Sequencing In Vivo Murine Challenge Models
Chikungunya Genetic Variations, Mutational Trajectories & Disease Severity
Viral Genomics & Pathogenesis
Ongoing Project ● Active

Chikungunya Genetic Variations, Mutational Trajectories & Disease Severity

Investigating CHIKV structural and non-structural polyprotein mutations, mapping lineage divergences, and dissecting their mechanistic links to acute vs. chronic arthralgia.

Next-Generation Sequencing (NGS) Cytokine Profiling (Multiplex) qRT-PCR Lineage Typing
Atomic-Scale Structural Profiling of SARS-CoV-2 Immune Evasion & Receptor Binding
Computational Structural Biology
Active Initiative ● Under Review

Atomic-Scale Structural Profiling of SARS-CoV-2 Immune Evasion & Receptor Binding

High-resolution computational docking and thermodynamic profiling elucidating the structural biophysics of spike mutation-driven antibody evasion and ACE2 binding affinity.

HADDOCK 2.4 / PRODIGY PyMOL & ChimeraX Residue Interaction Networks
Molecular Mechanisms & Elicitor-Mediated Induction of Agarwood Resin in Aquilaria malaccensis
Plant Molecular Biology & Phytochemistry
Ongoing Project ● Active

Molecular Mechanisms & Elicitor-Mediated Induction of Agarwood Resin in Aquilaria malaccensis

Elucidating the biochemical cascades, terpene synthase activation, and molecular pathways governing artificial agarwood oleoresin synthesis.

Quantitative Real-Time PCR (RT-qPCR) GC-MS Resin Metabolomics Histological Assays
Rational Immunogen Design of a Chimeric Multi-Epitope Pan-Dengue Vaccine
Rational Vaccine Design & Immunoengineering
Ongoing Project ● Active

Rational Immunogen Design of a Chimeric Multi-Epitope Pan-Dengue Vaccine

In silico structure-guided reverse vaccinology engineering chimeric immunogens capable of eliciting broad cross-neutralizing antibody titers across DENV-1–4 without ADE risk.

In Silico Epitope Prediction Scaffold Grafting & Fold Modeling Molecular Dynamics (MD)
Preclinical Immunogenicity & Protective Efficacy of a Recombinant JEV Subunit Vaccine
Translational Vaccinology & In Vivo Immunology
Ongoing Project ● Active

Preclinical Immunogenicity & Protective Efficacy of a Recombinant JEV Subunit Vaccine

Development, expression, and in vivo murine immunogenicity assessment of novel Japanese Encephalitis Virus recombinant subunit candidates formulated with nano-adjuvants.

Recombinant Protein Purification Neutralization (PRNT) In Vivo Murine Immunizations
Open Science & Reproducibility · 11 Verified SOPs

Laboratory Protocol Collections & SOPs

Standardized, bench-verified protocols developed and utilized by MSI Lab researchers across viral surveillance, clinical serology, in vivo challenge, molecular docking, and phytochemical extractions. Available for open academic download.

11 Downloadable Protocols
Virology & Diagnostics DOCX · 26 KB

1-Step RT-qPCR Mastermix & Amplification Protocol

Standard operating procedure for one-step real-time reverse transcription PCR, covering RNase-free glassware preparation, primer-probe mastermix assembly, and thermal cycling parameters for viral pathogen surveillance.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Baking glassware at 180–200°C for ≥4 hours to destroy RNases
  • ✓ TE buffer & DEPC-treated nuclease-free water preparation
  • ✓ Multiplex primer and hydrolysis probe mastermix formulation
  • ✓ qTOWER³ G linear thermal cycling and threshold baseline calibration
Validated Equipment / Platforms:
Analytik Jena qTOWER³ G qPCR Benchmark SureAir™ PCR Workstation Refrigerated Microcentrifuge
Virology & Diagnostics DOCX · 20 KB

Extraction & Purification of Viral RNA from Whole Blood

Phase-by-phase extraction protocol isolating high-purity total and viral genomic RNA from human clinical whole blood samples with beta-mercaptoethanol lysis optimization.

Standard Operating Procedure (SOP) Highlights:
  • ✓ RNA Lysis Buffer (RLA) preparation with β-mercaptoethanol (BME)
  • ✓ Clinical specimen homogenization and cellular disruption
  • ✓ Silica-membrane spin column purification and on-column DNase digestion
  • ✓ Elution in nuclease-free water and A260/A280 spectrophotometric validation
Validated Equipment / Platforms:
Haier Class II Biosafety Cabinet Refrigerated Microcentrifuge Vortex Mixer
Virology & Diagnostics DOCX · 19 KB

Extraction & Purification of Circulating RNA from Serum

Optimized protocol for recovery of cell-free circulating viral genomic RNA from patient serum samples, calibrated for acute viremic titers in arboviral infections.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Preparation of serum lysis buffers with optimized reducing agents
  • ✓ Inactivation of serum RNases and viral envelope capsid lysis
  • ✓ Alcohol-mediated nucleic acid precipitation and column bind-wash-elute cycles
  • ✓ Direct preservation at -80°C in Cryogenic Specimen Biobank
Validated Equipment / Platforms:
Haier Class II Biosafety Cabinet Cryogenic Biobank (-80°C) Microcentrifuge
Virology & Diagnostics DOCX · 19 KB

Extraction & Purification of Total RNA from Murine Spleen Tissue

Specialized protocol detailing tissue mass constraints (≤15 mg) and shear parameters required to prevent high-viscosity lysates when isolating immune lymphoid RNA from immunized mouse spleens.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Strict starting mass limit (≤15 mg spleen tissue) to prevent lysate viscosity overload
  • ✓ Rapid mechanical micro-pestle or bead homogenization in lysis buffer
  • ✓ Viscosity reduction and cellular debris pelleting
  • ✓ RNA purification for downstream cytokine profiling and IgG repertoire sequencing
Validated Equipment / Platforms:
Benchmark Pulse 650 Homogenizer Haier Class II Biosafety Cabinet qTOWER³ G qPCR
Immunology & Serology DOCX · 58 KB

Indirect ELISA Protocol, Calculations & Serological Data Analysis

Comprehensive guide covering molarity and buffer math (% w/v, mM mass, C1V1=C2V2, RPM vs. RCF), antigen coating, blocking, serial serum dilution, and optical density (OD450) sigmoid curve fitting.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Stock buffer formulation (10x PBS, coating buffer pH 9.6, wash buffer PBST)
  • ✓ Solid-phase antigen coating and BSA/casein blocking optimization
  • ✓ Serial dilution series of clinical plasma or murine immune sera
  • ✓ HRP-conjugated secondary antibody incubation and TMB chromogenic kinetics
  • ✓ OD450 measurement on Microplate Reader and endpoint titer calculation
Validated Equipment / Platforms:
Tecan Infinite 200 PRO Microplate Reader Multichannel Pipettes Borosil Ultrapure Water
Immunology & Serology DOCX · 21 KB

Flow Cytometry Immunophenotyping & Whole Blood RBC Lysis

Standard flow cytometry procedure for blood sample preparation, red blood cell ammonium chloride lysis, cell suspension washing, fluorophore-conjugated antibody staining, and cytometer gating.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Blood aliquot preparation (20–30 µL) in 10 mL / 5 mL FACS tubes
  • ✓ RBC lysis buffer addition and 5-minute room temperature incubation
  • ✓ Low-speed centrifugation (1600 rpm / 4°C) and pellet washing
  • ✓ Surface antigen antibody fluorophore cocktail staining (CD3/CD4/CD8/CD19)
  • ✓ Acquisition and population gating on BD FACSAria / Beckman CytoFLEX
Validated Equipment / Platforms:
BD FACSAria III Flow Cytometer Refrigerated Centrifuge Euromex BioBlue.Lab
Immunology & Serology DOCX · 539 KB

In Vivo Murine Immunization, Challenge & Buffer Preparation

Protocol detailing 10x PBS buffer chemistry, antigen-adjuvant formulation, immunization dosing schedules in BALB/c and AG129 mice, and blood/spleen harvesting for vaccine evaluation.

Standard Operating Procedure (SOP) Highlights:
  • ✓ 10x Phosphate-buffered saline (PBS, pH 7.4) preparation (Na2HPO4, NaH2PO4, KCl, NaCl)
  • ✓ Subunit antigen emulsion with nano-adjuvants
  • ✓ Subcutaneous and intramuscular prime-boost vaccination scheduling
  • ✓ Retro-orbital / tail-vein blood collection and aseptic organ harvesting
Validated Equipment / Platforms:
Haier Class II Biosafety Cabinet Animal Biosafety Facility Astec CO₂ Incubator
Computational Structural Biology DOCX · 26 KB

Antigen-Antibody Docking & Interface Thermodynamics using HADDOCK 2.4

End-to-end computational pipeline for structural preparation in PyMOL/ChimeraX, PDB cleaning, active/passive restraint definition, rigid-body docking, semi-flexible refinement, and PRODIGY binding free energy analysis.

Standard Operating Procedure (SOP) Highlights:
  • ✓ PDB sequence trimming, heteroatom/water removal, and chain renaming in PyMOL
  • ✓ Epitope and paratope CDR loop residue definition (active/passive restraints)
  • ✓ HADDOCK 2.4 webserver parameter configuration (it0, it1, and water refinement)
  • ✓ Cluster analysis, Z-score ranking, and interfacial buried surface area (BSA) calculation
  • ✓ PRODIGY biophysical contact mapping and binding affinity (ΔG / Kd) prediction
Validated Equipment / Platforms:
HADDOCK 2.4 Server PRODIGY Biophysical Suite PyMOL & UCSF ChimeraX High-Performance Workstation
Plant Molecular Biology DOCX · 6.6 MB

Clonal Propagation of Aquilaria malaccensis via Stem Cuttings

Field-ready protocol developed by the MSI Lab for the vegetative clonal propagation and rooting induction of critically endangered agarwood (Aquilaria malaccensis) stem cuttings.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Donor mother-plant selection and juvenile orthotropic branch harvesting
  • ✓ Nodal cutting preparation, leaf surface area reduction, and anti-fungal washing
  • ✓ Auxin hormone conditioning under humidity-controlled mist propagation chambers
  • ✓ Adventitious rooting monitoring, survival rate quantification, and hardening
Validated Equipment / Platforms:
Plant Growth Suite Rocker 300 Vacuum Pump Mist Propagation Chamber
Plant Molecular Biology DOCX · 31 KB

IBA Quick-Dip Hormone Preparation Guide for Stem Cuttings

Preparation guide for synthetic auxin Indole-3-butyric acid (IBA) stock solutions, dissolution chemistry, potassium hydroxide/ethanol co-solvents, and concentration titration for agarwood rooting.

Standard Operating Procedure (SOP) Highlights:
  • ✓ IBA chemical dissolution in absolute ethanol / 1M KOH
  • ✓ Preparation of concentrated stock solutions (1000–5000 ppm)
  • ✓ Basal stem quick-dip exposure timing (5–10 seconds)
  • ✓ Safety precautions and hormone storage longevity protocols
Validated Equipment / Platforms:
Analytical Precision Balance pH Meter Chemical Fume Hood
Plant Molecular Biology DOCX · 31 KB

CTAB-Based Total RNA Extraction from Recalcitrant Agarwood Heartwood

Specialized modified CTAB protocol for extracting intact, high-quality total RNA from woody, polyphenol- and polysaccharide-dense Aquilaria malaccensis tissues for terpene synthase RT-qPCR.

Standard Operating Procedure (SOP) Highlights:
  • ✓ Liquid nitrogen grinding of resinous heartwood into ultra-fine powder
  • ✓ Modified CTAB lysis buffer with 2% PVP to bind and precipitate polyphenols
  • ✓ Chloroform:isoamyl alcohol (24:1) phase separation and lithium chloride RNA precipitation
  • ✓ RNA integrity assessment by denaturing agarose gel and RT-qPCR gene expression analysis
Validated Equipment / Platforms:
Liquid Nitrogen Cryocooler Benchmark Pulse 650 Homogenizer qTOWER³ G qPCR