Frank Peprah Addai

ORCID: 0000-0003-3126-5960
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About
Contact & Profiles
Research Areas
  • Heavy Metal Exposure and Toxicity
  • Trace Elements in Health
  • Metal-Organic Frameworks: Synthesis and Applications
  • Enzyme Production and Characterization
  • CAR-T cell therapy research
  • Electrochemical sensors and biosensors
  • Invertebrate Immune Response Mechanisms
  • Probiotics and Fermented Foods
  • Silkworms and Sericulture Research
  • Child Nutrition and Water Access
  • Prenatal Screening and Diagnostics
  • Environmental Toxicology and Ecotoxicology
  • Air Quality and Health Impacts
  • Nanoparticles: synthesis and applications
  • Covalent Organic Framework Applications
  • Enzyme Catalysis and Immobilization
  • Erythropoietin and Anemia Treatment
  • Advanced Glycation End Products research
  • Nanomaterials for catalytic reactions
  • Vitamin D Research Studies
  • Advanced Nanomaterials in Catalysis
  • Insect Resistance and Genetics
  • Biomedical and Engineering Education
  • Parathyroid Disorders and Treatments
  • Adsorption and biosorption for pollutant removal

Jiangsu University
2018-2025

Dana-Farber Cancer Institute
2024

Massachusetts General Hospital
2024

In this work, a trimetallic (Ni/Co/Zn) organic framework (tMOF), synthesized by solvothermal method, was calcinated at 400 and 600 °C the final products were used as support for lipase immobilization. The material annealed (Ni-Co-Zn@400) had an improved surface area (66.01 m2/g) pore volume (0.194 cm3/g), which showed highest enzyme loading capacity (301 mg/g) with specific activity of 0.196 U/mg, could protect against thermal denaturation 65 °C. optimal pH temperature 8.0 45 but tolerate...

10.1021/acs.langmuir.4c00090 article EN Langmuir 2024-04-16

Glucoamylases (GLL) hydrolyze starch to glucose syrup without yielding intermediate oligosaccharides, but their lack of stability under industrial conditions poses a major limiting factor. Using consensus- and ancestral-based machine-learning tools, functional GLL with six mutations (GLLI73l/T130V/N212V/D238G/N327M/S332P) was constructed that exhibited superior hydrolytic activity relative the wild-type (WT-GLL). An oxidized multi-walled carbon nanotube (oMW-CNT) used as solid support...

10.1021/acs.jafc.4c11907 article EN Journal of Agricultural and Food Chemistry 2025-03-13

β‐Galactosidases are crucial enzymes that hydrolyse oligosaccharides and polysaccharides with terminal β‐1,4‐glycosidic bonds. Though the traditional application of has been to catalyse breakdown lactose in dairy products, its extends beyond production lactose‐free products since variants capable facilitating condensation exhibiting galactosyl transferase activity extensively utilised for synthesis prebiotic galacto‐oligosaccharides. This review analyses β‐Galactosidase multiple aspects,...

10.1111/1471-0307.13098 article EN International Journal of Dairy Technology 2024-06-17

In the enzymatic conversion of biomass, it becomes an important issue to efficiently and cost-effectively degrade cellulose into fermentable glucose. β-Glucosidase (Bgluc), essential member cellulases, plays a critical role in cellulosic biomass degradation. The difficulty improving stability Bgluc has been bottleneck enzyme-dependent traditional method protein purification, however, leads higher production cost decrease activity. To simplify purify with modified special properties,...

10.1186/s13068-019-1497-5 article EN cc-by Biotechnology for Biofuels 2019-06-24

Human epidermal growth factor receptor 2 (HER2) is an overexpressed antigen in esophageal squamous cell carcinomas (ESCCs) but with limited expression levels normal tissues. Therefore, employing the adoptive transfer of T cells genetically modified to express chimeric (CAR) targeting HER2 could be a promising therapeutic strategy against ESCC.Two different second-generation CAR-T expressing antibodies for and CD19 antigens were developed using retroviral vector transduction. The ESCC tissue...

10.1177/0300891620960223 article EN Tumori Journal 2020-09-28
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