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EDITORIAL DEEP DIVES

In-depth research analyses

Source-verified editorial analyses, ordered by latest publication date

1,037 analyses
Infectious Disease Surveillance72IMPACT SIGNAL
National surveillance evidence

Japan's invasive meningococcal cases fell to one during COVID-19, then rebounded to 68 in 2025

Japan's national surveillance from January 2017 to October 2025 identified 288 IMD cases across pre-pandemic, pandemic and reopening phases. Cases fell from 48 in 2019 to one in 2021, then rose to 66 in 2024 and 68 by October 2025. Older adults consistently accounted for the most cases, adolescents clearly rebounded, and Tokyo rose more than Osaka/Kansai. No Expo-specific surge appeared. Cases and inbound travel had Spearman rho 1.000, although most infections were domestically acquired.

Thai researchersY. Chen; Hirotake Mori; Rapeephan R. Maude
Biomedical Additive Manufacturing72IMPACT SIGNAL
Laboratory mechanical prototype

RaLak titanium lattices tune stiffness and energy absorption to better mimic bone

Solid metallic implants are much stiffer than bone and can cause stress shielding. A Ti6Al4V bio-inspired lattice called RaLak was laser-powder-bed-fused at 20% and 30% relative density and 2-4-mm cells and compared with gyroid and diamond TPMS. RaLak improved the stiffness-energy-absorption balance; at 30% density and 4-mm cells it absorbed about 50% more energy than gyroid. Its hybrid architecture promoted uniform stress and progressive deformation, and modified Gibson-Ashby models linked geometry to response.

Thai researchersChinnapat Panwisawas
AI and Sustainable Tourism72IMPACT SIGNAL
Behavioral experimental evidence

Two experiments suggest GenAI can reduce overload in sustainable travel choices

Two experiments covered trip planning and on-site shopping to test whether GenAI helps users navigate abundant eco-certified options. More advanced tools reduced perceived information overload and improved decision-making. Greater trust related to well-being and intention to use GenAI, while lower perceived decision risk also related to intention. The authors report more eco-responsible choices, but the abstract does not clarify whether behavior was consequential or self-reported.

Thai researchersLars Meyer-Waarden
Geriatric Dentistry72IMPACT SIGNAL
Systematic review and meta-analysis

Implant-supported prostheses produced stronger functional gains for older adults with tooth loss

From 7,654 records, 24 studies with 1,711 adults aged at least 65 and prosthesis use for six months were included. Fourteen studies assessed mastication and bite force. Complete dentures gave modest gains, while implant overdentures produced higher performance and bite force with more consistent long-term improvement. Across 18 PROM studies, implant overdentures and fixed full-arch prostheses produced the largest oral-health quality-of-life gains; complete and removable partial dentures had smaller positive changes. Subjective chewing improved over 6-12 months with high heterogeneity.

Thai researchersFrauke Müller
Climate and Health72IMPACT SIGNAL
Regional scoping-review evidence

Heat raises health risks across ASEAN, while heatwave definitions and geographic evidence remain fragmented

This scoping review included 76 Southeast Asian studies published since 2000: 28 mortality, 38 morbidity and 10 effect-modification studies. Minimum-risk temperatures and thresholds varied widely by location and outcome. Reported relative risks ranged from 1.02 for all-cause admission in Vietnam to 4.21 for dengue in Laos, but these outcomes are not directly comparable. Relationships were often nonlinear, evidence for heat-air pollution synergy was mixed, immediate effects were stronger for NCDs, and some dengue studies reported long lags.

Thai researchersHtoo Wai Aung; Wissanupong Kliengchuay; Sarima Niampradit; Paweena Aendo; Thant Sin Aye; Siriphat Intrakun; Dumrongkiet Arthan; Khuanchai Koompapong; Kraichat Tantrakarnapa
Biopolymer Films and Packaging72IMPACT SIGNAL
Laboratory materials evidence

Calcium alginate powder increased thermo-compressed sodium-alginate film strength by 208%

Seaweed-derived alginate is biodegradable and biocompatible, but sodium-alginate films are mechanically weak. With glycerol plasticizer, calcium-alginate powder at 2.5-20 wt% was added before thermo-compression. SEM/EDS indicated good interfaces and moisture declined with CA content. At 20 wt%, tensile strength reached 11.7 MPa and modulus 234.7 MPa, increases of 208% and 907% over unfilled SA, showing effective reinforcement by an ionically distinct alginate filler.

Thai researchersPrasong Srihanam; Wilaiwan Simchuer; Yodthong Baimark
Biomass Fuels72IMPACT SIGNAL
Pilot-scale energy evidence

Pilot vibrating torrefaction upgraded Thai rubberwood and corn wastes to 22.4-MJ/kg fuel pellets

A pilot vibrating torrefaction system processed rubberwood- and corn-waste pellets at 220-300°C for 16 or 30 minutes. Greater severity increased HHV to 22.4 MJ/kg, about 20% above raw pellets, and improved grindability and moisture resistance, while mass and energy yields declined. Specific electricity use was 624-1,161 kWh per product tonne and preliminary cost THB 8,000-11,000/t including capital, feedstock and electricity, demonstrating both technical feasibility and economic tradeoffs.

Thai researchersSuneerat Fukuda; Jaggapan Sanduang; Supachita Krerkkaiwan
Environmental and Energy Economics72IMPACT SIGNAL
Long-run econometric evidence

India's 1969-2023 data link nuclear energy and human capital with lower ecological pressure

The study integrates CO2 emissions, ecological footprint and load-capacity factor to represent emissions, resource demand and regenerative capacity in India. Annual 1969-2023 data were analyzed with ARDL bounds testing and robustness estimators including FMOLS, DOLS and canonical cointegration regression. Results supported Environmental Kuznets and Load Capacity curves. Nuclear energy and human capital were associated with improved long-run environmental performance, while economic growth and natural-gas consumption were associated with greater pressure.

Thai researchersBablu Kumar Dhar
Functional Foods and Microbiome72IMPACT SIGNAL
Mechanisms and applications review

Postbiotics may be more stable than probiotics, but health evidence must remain product specific

Postbiotics are preparations of inanimate microorganisms and/or components conferring a health benefit, while paraprobiotics often refer to inactivated cells. The review covers cell-wall fragments, metabolites and signaling molecules, proposed barrier, immune and microbiome mechanisms, and human and animal nutrition applications. Stability, storage and risks associated with live organisms may improve over probiotics, but heterogeneous strains and processing prevent class-wide efficacy claims.

Thai researchersMuhammad Waqar
Waste to Energy72IMPACT SIGNAL
Laboratory pyrolysis evidence

Pyrolysis converted waste-cooking-oil sludge into fuel fractions and biochar

Sludge from waste-cooking-oil pretreatment for biodiesel is organic-rich but low value. Pyrolysis separated it into liquid, gas and carbon-rich solid. Light, middle and heavy liquid cuts had higher heating values of 44.3-44.6 MJ/kg, while gas reached a 53.6 MJ/Nm3 Wobbe Index suitable for thermal applications. Higher temperature shifted yield from liquid to gas. Biochar retained energy and carbon-storage potential, but salinity and alkali constrain land use.

Thai researchersNathawat Unsomsri; Songkran Wiriyasart; Pachara Koedthong; Natcha Yongying; Paranee Sriromreun; Sommas Kaewluan
Functional Beverages72IMPACT SIGNAL
Food process and formulation evidence

Pectinase optimization prioritized bioactive recovery before developing a three-fruit beverage

Date juice was extracted with 0.1% pectinase at 50-80°C for 60-240 minutes. Fifty degrees for 60 minutes was selected for functional quality, yielding 326.33 mg GAE/100 mL phenolics, 1.08 mg beta-carotene equivalents/100 mL carotenoids and strong DPPH/FRAP activity, although maximum 81.25% yield occurred at 60°C for 240 minutes. Six simplex-lattice beverage blends were developed; the 70% date and 15% each of two companion fruits scored highest at 6.50. All blends improved measured bioactives versus control with stable pH and acidity.

Thai researchersSaeid Jafari; Pitchaya Tuntiteeraboon; Isaya Kijpatanasilp; Sochannet Chheng; Kitipong Assatarakul
Biobased Energy Materials73IMPACT SIGNAL
Laboratory electrolyte evidence

Alginate-lignin raised ionic conductivity in a biobased gel electrolyte by nearly fourteenfold

A green gel polymer electrolyte combining sodium alginate, lignin and Na2SO4 was compositionally optimized. Conductivity reached 2.91×10^-4 S/cm versus 2.09×10^-5 S/cm in the baseline, about a 13.9-fold increase. Dielectric and electric-modulus analysis indicated shorter relaxation and improved carrier dynamics, ionic transference reached 0.98, and the stability window reached 2.85 V. Excess salt caused ion association and reduced transport.

Thai researchersEverton Granemann Souza
BIBLIOGRAPHIC RESEARCH WATCHLIST

Bibliographic research records

Thailand-affiliated bibliographic records. These are not full analyses; they are ordered by Impact Signal and should be verified against the original source.

3,510records
3,510 records
74IMPACT SIGNAL
Clinical Medicine

Core needle biopsy-derived breast cancer microtumors enable functional drug-response testing for precision oncology

iScience

Thailand-affiliated authors
Mooktapa Plikomol · Suphawat Laohawiriyakamol · Piyanun Wangkulangkul · Paramee Thongsuksai · Pokchon Khirilak · Ratsamaporn Nontikarn · Onpawee Phanthuvet · Karan Ulhaka · Pasarat Khongkow
Institutions
Prince of Songkla University
74IMPACT SIGNAL
Clinical Medicine

Transplacental Flecainide and/or Digoxin for Fetal Tachyarrhythmias: Therapeutic Efficacy and Clinical Experience

Prenatal Diagnosis

Thailand-affiliated authors
Mukpradab Darakamas · Sanitra Anuwutnavin · Fuanglada Tongprasert · Wisit Chankhunaphas · Kanyarat Nilto · Supaluck Kanjanauthai · Jarupim Soongswang
Institutions
Siriraj Hospital · Mahidol University · Chiang Mai University
74IMPACT SIGNAL
Clinical Medicine

Backward and Hopf bifurcations in a human papillomavirus–cancer model with imperfect vaccination and waning immunity

Frontiers in Applied Mathematics and Statistics

Thailand-affiliated authors
Din Prathumwan · Kingkan Sunthonphong · Sirawit Phakmee · Inthira Chaiya · Kamonchat Trachoo
Institutions
Khon Kaen University · Mahasarakham University
74IMPACT SIGNAL
Clinical Medicine

Clinical impact of warfarin–drug interactions on INR prolongation and bleeding outcomes in a tertiary care emergency department: A Retrospective study

Pharmacy Practice

Thailand-affiliated authors
Ploylarp Lertvipapath · Voravimol Cherdchoojit · Wiparat Imlamai · Suthisa Maisuwan · Suthita Sanguanchom · Pattaraporn Mekavuthikul · Chankit Puttilerpong
Institutions
Siriraj Hospital · Chulalongkorn University
74IMPACT SIGNAL
Clinical Medicine

Assessment of capsaicin-loaded niosomes for postoperative neuropathic cancer pain: An open-label, prospective study

Pharmacy Practice

Thailand-affiliated authors
Phitjira Sanguanboonyaphong · Sureewan Duangjit · Suphawit Duangjai · Amornrat Sujjavanich · Prawichaya Boonthiang · Issaranuwat Boontanang · Phaijit Sritananuwat · Utsana Puapermpoonsiri · Saranya Prathaithep · Saran Kitsaran · Jitlada Juengsamarn · Pongput Pimsa · Tipada Samseethong
Institutions
Ubon Ratchathani University · Sappasithiprasong Hospital
74IMPACT SIGNAL
Clinical Medicine

Knowledge, awareness, expectations, and antibiotic use behaviors among outpatients at a private urban hospital in Bangkok, Thailand

Pharmacy Practice

Thailand-affiliated authors
Siriporn Shupetchsomboon · Jeerisuda Orosram · Peerawat Jinatongthai · Chonladda Pitchayajittipong · Teeraporn Sadira Supapaan
Institutions
Ubon Ratchathani University
74IMPACT SIGNAL
Clinical Medicine

Analysis of drug name similarity in Thailand using Orthographic similarity and Orthographic distance

Pharmacy Practice

Thailand-affiliated authors
Parin Chaithisan · Peerawit Sitthichai · Jintana Napaporn · Saksit Sripa · Chonladda Pitchayajittipong · Natthawut Banrueangthong · Chutchai Kaewta · Rapeepan Pitakaso · Thanatkij Srichok · Natthapong Nanthasamroeng · Prem Enkvetchakul · Sarayut Gonwirat · Teeraporn Sadira Supapaan
Institutions
Ratchathani University · Ubon Ratchathani University · Ubon Ratchathani Rajabhat University · Buriram Rajabhat University · Kalasin University
74IMPACT SIGNAL
Clinical Medicine

Determination of Exploratory Metastasis Biomarkers in Cancer of Unknown Primary Using Metastatic Colon Cancer as a Model: RNA Sequencing Bioinformatics Analysis

Current Issues in Molecular Biology

Thailand-affiliated authors
Rawikant Kamolphiwong · Pongsakorn Choochuen · Maliwan Songserm · Patcharaporn Thongwatchara · Arunee Dechaphunkul · Chirawadee Sathitruangsak · Jirapat Wonglhow · Patrapim Sunpaweravong
Institutions
Prince of Songkla University
74IMPACT SIGNAL
Clinical Medicine

Heterogeneous co-circulation of multiple DENV-1 and DENV-2 genotypes in Vung Tau during the 2023 dengue outbreak in Vietnam

Tropical Medicine and Health

Thailand-affiliated authors
Montarop Yamabhai
Institutions
Suranaree University of Technology
74IMPACT SIGNAL
Clinical Medicine

Increased Insulin Resistance after Praziquantel Treatment in Human Opisthorchiasis

American Journal of Tropical Medicine and Hygiene

Thailand-affiliated authors
Hendra Kurniawan · Pornphutthachat Sota · Eimorn Mairiang · Veerasak Punyapornwithaya · Suranut Charoensri · Sutas Suttiprapa · Sangduan Wannachart · Pattapong Kessomboon · Banchob Sripa
Institutions
Khon Kaen University · Suranaree University of Technology · Chiang Mai University
74IMPACT SIGNAL
Clinical Medicine

Predictive performance of four biopsy-free scores for screening myeloid malignancies among Thai cytopenic patients

Clinical and Experimental Medicine

Thailand-affiliated authors
Sirilak Sutthinont · Sirorat Kobbuaklee · Chantana Polprasert · Wiroj Jiamjarasrangsi
Institutions
King Chulalongkorn Memorial Hospital · Chulalongkorn University
74IMPACT SIGNAL
Clinical Medicine

Impact of Gross Classification on Outcomes of Chemoembolization for Hepatocellular Carcinoma

Journal of Health Science and Medical Research

Thailand-affiliated authors
Panitpong Maroongroge · Khemjira Vipasakulpit · Chutikan Sritongjoy · Tharanyaphat Sottibandhu · Pitchanan Saksakulchai · Ramida Thongsrisuk · Kitsarawut Khuancharee · Apichart Thachang · Wanaporn Burivong · Asawin Soodcharoen · Piyakorn Poonyam · Piyanant Chonmaitree
Institutions
Srinakharinwirot University
74IMPACT SIGNAL
Clinical Medicine

Duplex PCR method for simultaneous detection of scale drop disease virus and Vibrio harveyi in Asian seabass (Lates calcarifer)

MethodsX

Thailand-affiliated authors
Watcharachai Meemetta · Suwimon Taengphu · Onanong Charoenwai · Sakulrat Kongmuang · Molruedee Sonthi · Ha Thanh Dong · Saengchan Senapin
Institutions
Mahidol University · Prapokklao Hospital · Rambhai Barni Rajabhat University · Burapha University · Asian Institute of Technology · National Science and Technology Development Agency · National Center for Genetic Engineering and Biotechnology
74IMPACT SIGNAL
Environmental Engineering

Modeling the impact of climatic variables on cereal crop production in the Terai region of Nepal

Results in Engineering

Thailand-affiliated authors
Nanda Kumar Tharu · Arsanchai Sukkuea · Pensiri Akkajit
Institutions
Prince of Songkla University · Walailak University · Chulalongkorn University · Center of Excellence on Hazardous Substance Management
74IMPACT SIGNAL
Clinical Medicine

Assessing the Responses of miRNA-200b and miRNA-429 in Cyanide Poisoning Cases

Chulalongkorn Medical Journal

Thailand-affiliated authors
Pagparpat Varrathyarom · Nattachai Thangsiriskul · Tikumphorn Sathirapatya · Poonyapat Sukawutthiya · Kornkiat Vongpaisarnsin
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Global Public Health

Material neighbourhood resources, formal community service resources, and depression in older adults: a systematic review

BMC Geriatrics

Thailand-affiliated authors
Wichai Eungpinichpong · Somkiat Asawaphureekorn · Kesinee Saranrittichai
Institutions
Khon Kaen University
74IMPACT SIGNAL
Clinical Medicine

High-dose sulbactam population pharmacokinetics in patients with severe carbapenem-resistant Acinetobacter baumannii infection

BMC Infectious Diseases

Thailand-affiliated authors
Nadia Cheh-oh · Chutchawan Ungthammakhun · Dhitiwat Changpradub · Piyawat Chaivichacharn · Thanawat Chattaweelarp · Anchalee Kumsom · Wichai Santimaleeworagun
Institutions
Prince of Songkla University · Phramongkutklao Hospital · Huachiew Chalermprakiet University · Payap University · Silpakorn University
74IMPACT SIGNAL
Clinical Medicine

Omicron SARS-CoV-2 shows NRP1-linked susceptibility in adipose-derived MSCs and alters primitive cord blood CD34⁺ HSPCs

PLoS ONE

Thailand-affiliated authors
Kanit Bhukhai · Nopmullee Tanhuad · Pornprapa Srimorkun · Suwimon Manopwisedjaroen · Wittaya Panvongsa · Vimvara Vacharathit · Phongthon Kanjanasirirat · Umnuaychoke Thongsa-ad · Supasek Kongsomros · Chanya Srisaowakarn · Tulyapruek Tawonsawatruk · Patompon Wongtrakoongate · Nittaya Boonmuen · Suparerk Borwornpinyo · Usanarat Anurathapan · Arthit Chairoungdua · Nithi Asavapanumas · Suradej Hongeng · Arunee Thitithanyanont
Institutions
Mahidol University · Ramathibodi Hospital · Ramathibodi Chakri Naruebodindra Hospital
74IMPACT SIGNAL
Clinical Medicine

Association of Cardiovascular Risk Factors with Atherosclerotic Changes in Lower-Limb Donor Arteries for Free Flap Reconstruction: A CTA-Based Multivariate Analysis.

Archives of Plastic Surgery

Thailand-affiliated authors
Karnkawin Patharateeranart · Phanthep Phongphanlert · Jitladda Wasinrat · Apirag Chuangsuwanich · Natthapong Kongkunnavat · Min Yongsuvimol · Warangkana Tonaree
Institutions
Siriraj Hospital · Mahidol University
74IMPACT SIGNAL
Energy and Materials

Defect-rich three-dimensionally ordered macroporous magnesium cobalt oxide spinel coupled with graphite felt for vanadium redox flow batteries

Journal of Energy Storage

Thailand-affiliated authors
Tetsuya Kida
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Multidisciplinary

Beyond the Walkability Composite: Destination Access, Perceived Street Conditions, and Transport Walking in Four Thai Secondary Cities

Urban Science

Thailand-affiliated authors
Sigit Dwiananto Arifwidodo · Orana Chandrasiri · Onpreeya Mongkol
Institutions
Kasetsart University
74IMPACT SIGNAL
Multidisciplinary

Maternal Cytoglobin Levels In Preeclampsia Versus Normal Pregnancy in the Late Third Trimester

Journal of Health Science and Medical Research

Thailand-affiliated authors
Preeyaporn Tangnirunkul · Vorapong Phupong
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Energy and Materials

Device simulation of CaZrS3 perovskite solar cell for different hole-transporting materials using AMPS-1D

Journal of Power Sources

Thailand-affiliated authors
Ming-Lang Tseng
Institutions
Khon Kaen University
74IMPACT SIGNAL
Engineering

Experimental investigation of fiber hybridized ECC using PVA, polypropylene, and high-modulus glass fibers with class F Fly ash and OPC

Scientific Reports

Thailand-affiliated authors
Pradeep Thangavel · Warit Wipulanusat
Institutions
Thammasat University
EDITORIAL STANDARD

How we select research

We use OpenAlex, Crossref, PubMed, DOI records, and publisher pages, then verify Thai researcher participation before publication.

  1. 01Discover new researchFocus on the latest 90 days and verifiable Thai affiliations
  2. 02Assess signalsReview recency, quality, collaboration, and societal relevance
  3. 03Read with careReport findings with limitations and avoid claims beyond the evidence
  4. 04Open original sourcesEvery item includes a DOI, review date, and verification link