Journal profile · Engineering-Engineering (miscellaneous)

Micro

ISSN 2673-8023 · MDPI AG · Switzerland

Micro: CAS Zone 4 · Engineering (2026 Xinrui edition); impact factor 2.4 (journal website); fully open access; APC charged, amount not published; review about 6 weeks (community reports); 61 articles in 2025; indexed in ESCI and Scopus.

Impact factor2.4From the journal's website, 2025 value
CAS zoneZone 4 · Engineering2026 Xinrui edition, major category
Review timeabout 6 weeksCommunity average
APCCharged, amount not publishedFully open access
Acceptance—No reports yet
Articles per year612025 · OpenAlex count

Scope

Aims, scope and focus

Micro is published by MDPI AG and is classed under Engineering in the CAS Journal Ranking. By OpenAlex counts of its recent articles, its largest topics are Advanced Sensor and Energy Harvesting Materials, Nanoparticles: synthesis and applications and Microfluidic and Capillary Electrophoresis Applications, together about 18.7% of its articles. Its main subfields are Biomedical Engineering. (generated from OpenAlex topic counts and CAS ranking data)

Micro covers microscale and nanoscale studies related (but not limited) to the following topics: Synthesis, characterization, and manipulation of nanomaterials. Micro- and nano-scale mass and heat transfer. Micro- and nano-fluidics. Micro- and nano-particles. Micro- and nano-optics and photonics. MEMS, NEMS. Micro- and nano-electronic sensors and devices. Micro- and nano-analysis, reactors, and separations. Micro- and nano-fabrication. Nanomedicine: Diagnostics, Imaging, Therapy, and Drug Development. Nanotoxicity. Nanoinformatics. Nanobiology, biotechnology, and bioengineering.

From the journal's Aims & Scope

Research area (LetPub): Engineering-Engineering (miscellaneous)

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Advanced Sensor and Energy Harvesting MaterialsEngineering7.2%
  2. Nanoparticles: synthesis and applicationsMaterials Science5.8%
  3. Microfluidic and Capillary Electrophoresis ApplicationsEngineering5.8%
  4. Innovative Microfluidic and Catalytic Techniques InnovationEngineering5.4%
  5. Advanced Photocatalysis TechniquesEnergy4.7%
  6. Gas Sensing Nanomaterials and SensorsEngineering4.7%
  7. 3D Printing in Biomedical ResearchEngineering4.7%
  8. Microplastics and Plastic PollutionEnvironmental Science4.3%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Not covered

Not covered by this edition.

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorMaterials Science, MultidisciplinaryZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

Database indexing

ESCIScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

Web of SciencePublisher website

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor (publisher) 2025
2.4Publisher website ·
5-year impact factor (publisher) 2025
2.6Publisher website ·
CiteScore 2026-06
4LetPub ·
CiteScore (publisher)
4Publisher website ·
SJR 2026-06
0.42LetPub ·
SNIP 2026-06
0.53LetPub ·
h-index
19OpenAlex ·
i10-index
56OpenAlex ·
2-year mean citedness
3.5OpenAlex ·
Self-citation rate
4.2%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
61LetPub ·

Articles by year OpenAlex count · 319 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026777754
20256161281
20245151327
20236262450
20224848439
20212020380

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Average review time (community reports)
about 6 weeksLetPub ·
Submission to first decision
20.4 daysPublisher website ·
Acceptance to publication
3.9 daysPublisher website ·
Submission to publication
52 daysPublisher website ·
Submission to publication (journal-reported)
about 6 weeksDOAJ ·
Peer review
Single anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Fully open accessDOAJ

Every article is open access; authors usually pay an article processing charge (APC).

SourceAPCFee waiverLicenseObserved
DOAJCHF 1,000YesCC BY
OpenAlexCHF 1,000——
LetPubCHF 1,000Yes—
Publisher websiteCHF 2,600——

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

Open calls for papers5, by deadline
  1. Microplastics in Waste Treatment: Removal, Transformation, and Unintended ReleaseDeadline
  2. Innovative Materials for Bioelectronics in Wearable and Implantable ApplicationsDeadline
  3. Nanostructured Photocatalysts for Environmental Remediation: From Synthesis to ApplicationDeadline
  4. Microstructural Design and Control in Advanced Metallic Materials: From Powder Processing to Additive ManufacturingDeadline
  5. Fabrication and Applications of Micro/Nano Colloidal MaterialsDeadline
Publisher website
What to prepare7 items from the author guidelines
Abstract
≤ 200 words
Reference style
Author–date
Templates
LaTeX and Word
First submission
Free format: the journal's layout is not required
Suggested reviewers
Required
Graphical abstract
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted19
  1. articleArticle: These are original research manuscripts. The work should report scientifically sound experiments and provide a substantial amount of new information.Length not stated
  2. book reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  3. brief communicationAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  4. brief reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  5. case reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  6. commentaryAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  7. conference reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  8. editorialAll peer-reviewed articles published by MDPI are assessed by our independent Academic Editors, and MDPI staff are not involved in any editorial decisions regard…Length not stated
  9. hypothesisAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  10. letterAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  11. opinionAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  12. perspectiveAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  13. protocolAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  14. registered reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  15. reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  16. systematic reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  17. technical noteAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  18. tutorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  19. viewpointAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Code availability, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Preprints
Authorship Authorship

MDPI follows the International Committee of Medical Journal Editors (ICMJE) guidelines which state that, in order to qualify for authorship of a manuscript, the following criteria should be observed: Make substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work; Draft the work or review it critically for important intel…

Source ↗Publisher website ·
Code availability

Citation policy requiring clear citation and permission for reused material. Model summary

Authors should ensure that where material is taken from other sources (including their own published writing) the source is clearly cited and that where appropriate permission is obtained.

Source ↗Publisher website ·
Conflicts of interest Conflicts of Interest

According to The International Committee of Medical Journal Editors, “Authors should avoid entering into agreements with study sponsors, both for-profit and non-profit, that interfere with authors’ access to all of the study’s data or that interfere with their ability to analyze and interpret the data and to prepare and publish manuscripts independently when and where they choose.” All authors mus…

Source ↗Publisher website ·
Data availability Data availability statements

Data sharing policy encouraging FAIR data deposit in trusted repositories. Model summary

Data availability statements are required for all articles published with MDPI. During the peer review and editorial decision process, authors can be asked to share existing datasets or raw data that have been analyzed in the manuscript, and whether they will be made available to other researchers following publication. Authors will also be asked for the details of any existing datasets that have …

Source ↗Publisher website ·
Publication ethics Publication Ethics Statement

MDPI is a member of the Committee on Publication Ethics (COPE). We fully adhere to its Code of Conduct and to its Best Practice Guidelines. The editors of this journal enforce a rigorous peer review process together with strict ethical policies and standards to ensure to add high quality scientific works to the field of scholarly publication. Unfortunately, cases of plagiarism, data falsification,…

Source ↗Publisher website ·
License & copyright Copyright / Open Access

Articles published in Micro will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and cond…

Source ↗Publisher website ·
Open access Open access publication fees

If you transfer your manuscript to another open access (OA) journal, you will be charged an Article Processing Charge (APC) if your article is accepted for publication. The APC for each journal can be found on the individual journal’s website. For more information about APCs, please see here.

Source ↗Publisher website ·
Peer review Editorial Process and Peer Review

All submissions are thoroughly peer-reviewed by experts within the field and undergo a structured editorial workflow designed to ensure quality, transparency, and scientific integrity. The full editorial procedure is available on the Editorial Process page and is also provided below. Pre-check Pre-check consists of a technical pre-check performed by the Editorial Office and an editorial pre-check …

Source ↗Publisher website ·
Preprints Preprints and Conference Papers

Micro accepts submissions that have previously been made available as preprints provided that they have not undergone peer review. A preprint is a draft version of a paper made available online before submission to a journal. MDPI operates Preprints, a preprint server to which submitted papers can be uploaded directly after completing journal submission. Note that Preprints operates independently …

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
MDPI AG
Country or region
Switzerland
Language
English
ISSN
2673-8023
Latest issue on the website
Volume 6 (2026)
Official links

FAQ

Frequently asked questions about Micro

What CAS zone is Micro in?

In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Micro?

The journal's website gives an impact factor of 2.4 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 4, h-index 19.

How long does peer review take at Micro?

Authors report an average review time of about 6 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

What are the manuscript requirements of Micro?

According to the journal's author guidelines: Abstract: ≤ 200 words; Reference style: Author–date; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required; Graphical abstract: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Which databases index Micro?

According to LetPub and DOAJ records, Micro is indexed in ESCI, Scopus and DOAJ. The journal's website also lists Web of Science; that list has not been checked against each database.

Is Micro open access, and what is the APC?

Micro is a fully open-access journal. APC charged, amount not published.

Sources and updates

The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-24). Last updated: .