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Dan John · Peerford

University of Port Harcourt / Scholars

DJ

Dan John

University of Port Harcourt

Publishing since 2018, latest 2025

Plant Science
Food Science
Biochemistry
Endocrinology, Diabetes and Metabolism
Forestry
Immunology

Their record on OpenAlex

Publications: 42018–2025
Citations: 3to those papers
h-index: 1i10-index 0
Field-weighted impact: 0.271.00 is the world average
World top 10%: 0%0 of 4 scored papers
Open access: 100%4 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

Career

On their papers

University of Port Harcourt2 works
Rivers State University1 work

Every institution they have given on a paper.

Publications

4 in all

Newest Most cited Oldest Title

Search their publications by title

Evaluation of the antimicrobial and larvicidal activities of n-hexane root extract of Ixoria coccinea L. (Rubiaceae)
2025World Journal of Biology Pharmacy and Health SciencesJournalOpen access1 citation10.30574/wjbphs.2025.21.1.0010
Evaluation of the Antibacterial activity of a Nigerian Chewing Stick(Lantana Camara)linn Ethanolic Extract Against MultiDrug-Resistant Oral Bacteria

Download CV:PDF · Word

Who they write with Where their co-authors are Every publication

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From the classification of each paper

Subfields

Plant Science375%
Food Science250%
Biochemistry125%
Endocrinology, Diabetes and Metabolism125%
Forestry125%
Immunology125%
Molecular Biology125%
Organic Chemistry125%

Health Sciences
Life Sciences
Physical Sciences

Topics most written on

Essential Oils and Antimicrobial Activity2
Phytochemistry and Biological Activities2
African Botany and Ecology Studies1
Biochemical and Structural Characterization1
Carbohydrate Chemistry and Synthesis1
Insect Pest Control Strategies1
Natural Antidiabetic Agents Studies1
Natural Compound Pharmacology Studies1
Phytochemicals and Antioxidant Activities1
Toxin Mechanisms and Immunotoxins1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

Nnamdi Azikiwe UniversityNG1 paper
Rivers State UniversityNG1 paper

Where they publish

GSC Biological and Pharmaceutical Sciences1
International Research Journal of Pharmacy1
Journal of research in pharmaceutical science.1
World Journal of Biology Pharmacy and Health Sciences1

How it can be read

100% free to read

Diamond 1 · 25%Free to read and to publish
Hybrid 1 · 25%Open in a subscription journal
Bronze 2 · 50%Free to read, no open licence

Development goals addressed

From each paper’s title and abstract

3Good health and well-being2
2Zero hunger1

Most cited

Evaluation of the antibacterial activities of methanol stem extract of Massularia acuminata and methanol twig extract of Garcinia kola on oral Bacteria and their effect in combination
GSC Biological and Pharmaceutical Sciences3
20222 citationsOpen access · Diamond
Evaluation of the antimicrobial and larvicidal activities of n-hexane root extract of Ixoria coccinea L. (Rubiaceae)
World Journal of Biology Pharmacy and Health Sciences3
20251 citationOpen access · Hybrid
Evaluation of the Antibacterial activity of a Nigerian Chewing Stick(Lantana Camara)linn Ethanolic Extract Against MultiDrug-Resistant Oral Bacteria
Journal of research in pharmaceutical science.
20250 citationsOpen access · Bronze
ANTIBACTERIAL ACTIVITIES OF ETHANOL LEAVES EXTRACTS OF PHYLLANTHUS AMARUS (EUPHOBIACEAE) AND COSTUS AFER (COSTACEAE) AND THEIR ACTIVITY IN COMBINATION AGAINST SOME GRAM-NEGATIVE BACTERIA
International Research Journal of Pharmacy2
20180 citationsOpen access · Bronze

2025

Journal of research in pharmaceutical science.

Journal

Open access

First author

0 citations

10.35629/2995-11042227

Evaluation of the antibacterial activities of methanol stem extract of Massularia acuminata and methanol twig extract of Garcinia kola on oral Bacteria and their effect in combination

2022GSC Biological and Pharmaceutical SciencesJournalOpen accessFirst author2 citations10.30574/gscbps.2022.18.1.0037

ANTIBACTERIAL ACTIVITIES OF ETHANOL LEAVES EXTRACTS OF PHYLLANTHUS AMARUS (EUPHOBIACEAE) AND COSTUS AFER (COSTACEAE) AND THEIR ACTIVITY IN COMBINATION AGAINST SOME GRAM-NEGATIVE BACTERIA

2018International Research Journal of PharmacyJournalOpen accessFirst author0 citations10.7897/2230-8407.0914