Evidence map›Paper›PMID 42884967›Full record

ReviewPolymers2026

Waste-Derived Natural Polymer Biosorbents for Toxic Metal Ions: Structure-Sorption Relationships, Modification Strategies, and Prospects for Solid-Phase Sensing.

Aisha Nurlybayeva, Zulaykho Smanova, Zhanna Tazhiyeva, Zulfiya Unerbayeva, Raikhan Rakhmetullayeva, Gulsim Matniyazova, Ainur Seitkhan, Raushan Taubayeva, Bekzat Saurbayeva, Aitkul Aidarova and 1 more

Abstract readReview
PubMed Full text at PMC Publisher
In one paragraph

Review in Polymers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Aisha NurlybayevaDepartment of Chemistry and Chemical Technology, M.Kh. Dulaty Taraz University, Taraz 080000, Kazakhstan.ORCID 0000-0001-9904-9979
Zulaykho SmanovaDepartment of Analytical Chemistry, Faculty of Chemistry, National University of Uzbekistan, Tashkent 100174, Uzbekistan.ORCID 0000-0003-3116-3518
Zhanna TazhiyevaDepartment of Chemistry and Chemical Technology, M.Kh. Dulaty Taraz University, Taraz 080000, Kazakhstan.
Zulfiya UnerbayevaDepartment of Chemistry, Kazakh National Pedagogical University named after Abai, Almaty 050010, Kazakhstan.
Raikhan RakhmetullayevaDepartment of Chemistry and Technology of Organic Substances, Natural Compounds and Polymers, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan.ORCID 0000-0003-1002-2046
Gulsim MatniyazovaHigher School of Natural Sciences, Astana International University, Astana 010000, Kazakhstan.ORCID 0000-0002-6820-5219
Ainur SeitkhanDepartment of Environmental Management and Engineering, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan.
Raushan TaubayevaDepartment of Chemistry and Chemical Technology, M.Kh. Dulaty Taraz University, Taraz 080000, Kazakhstan.
Bekzat SaurbayevaSchool of International Engineering, D. Serikbayev East Kazakhstan Technical University, Ust-Kamenogorsk 070004, Kazakhstan.ORCID 0009-0002-5022-4814
Aitkul AidarovaDepartment of Chemistry and Chemical Technology, M.Kh. Dulaty Taraz University, Taraz 080000, Kazakhstan.
Ergali RustemFaculty of Architecture, Construction and Transport, Mukhtar Auezov South Kazakhstan University, Shymkent 160012, Kazakhstan.ORCID 0000-0002-1237-9711

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Waste-derived natural polymers offer a route to low-cost sorbents for toxic metal ions, but reported performance is difficult to compare because precursor composition, polymer processing, modification, and experimental conditions vary widely. This critical review examines silk fibroin, banana peel, orange peel, and pectin as structurally distinct platforms and evaluates how macromolecular chemistry, esterification, ionic crosslinking, morphology, and regeneration influence metal uptake. Particular attention is given to the distinction between untreated biomass, isolated biopolymers, and chemically engineered materials; to mechanistic evidence from spectroscopy, elemental analysis, ion exchange, and controlled structural modification; and to the limitations of interpreting Langmuir or pseudo-second order fitting as direct proof of adsorption mechanism. The literature supports strong roles for pectic carboxyl groups and Ca

Indexed as

adsorptionbanana peeldiffuse reflectanceheavy metalsorange peelpectinregenerationsilk fibrointoxic metal ionswaste-derived biosorbents

Identifiers

PMID42884967
PMCPMC13666802

What OpenQuestion holds

Textmetadata
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.