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EDITORIAL DEEP DIVES

In-depth research analyses

Source-verified editorial analyses, ordered by latest publication date

1,027 analyses
Fixed-point theory and metric spaces69IMPACT SIGNAL
Evidence of global relevance

A perspective on Banach and Kannan mappings contracting the perimeter of triangles in interpolative metric spaces

This theoretical article studies mappings that contract triangle perimeters in interpolative metric spaces. It establishes a necessary-and-sufficient fixed-point condition, extends Kannan-type results beyond ordinary metric spaces and proposes a sufficient uniqueness condition with examples. Its contribution is mathematical generalisation rather than empirical evidence.

Thai researchersWutiphol Sintunavarat
Treated rice straw and goat nutrition69IMPACT SIGNAL
Evidence of global relevance

Evaluation of urea–molasses-treated rice straw as a partial replacement for Brachiaria mutica in diets of growing Boer crossbred goats

A five-goat Latin-square trial in the Mekong Delta replaced para grass with urea-molasses-treated rice straw at 0-100%. Higher levels improved some digestibility measures but reduced intake, daily gain and feed conversion. Growth did not differ between 0% and 25%, suggesting moderate use during forage shortages rather than complete replacement.

Thai researchersPham Thi Cam Nhung
Freshwater fungal taxonomy69IMPACT SIGNAL
Evidence of global relevance

Unveiling freshwater fungi from the Hanjiang River Basin in South China: Introducing Neolindgomyces guttulatus sp. nov. (Lindgomycetaceae, Pleosporales)

A downstream Hanjiang River collection in China had distinctive morphology and multilocus phylogeny, supporting Neolindgomyces guttulatus as a new species and the first Chinese freshwater record of the genus. The work expands fungal diversity knowledge but does not establish ecological function or distribution.

Thai researchersYongxin Shu
Smartphone movement biomechanics69IMPACT SIGNAL
Evidence of global relevance

Biomechanical constraints of excessive adiposity on smartphone-derived directional acceleration and dynamic balance during unilateral sit-to-stand transitions in young adults

Sixty young women completed five single-leg sit-to-stand transitions with a smartphone at S2. The highest-body-fat group took longer and showed different anteroposterior, mediolateral and vertical accelerations than the normal-fat group, while total acceleration did not differ. Smartphone sensing may be a low-cost movement measure, not a diagnostic test or proof of causation.

Thai researchersSuttiwat Jeamtrakool · Weerasak Tapanya · Noppharath Sangkarit · Jittraphorn Wongphoek · Manus Chotjaroenrat
Liver fluke infection and reinfection69IMPACT SIGNAL
Evidence of global relevance

Longitudinal changes and risk factors of Opisthorchis viverrini infection after selective praziquantel treatment: evidence from urine antigen assay and fecal examination in an endemic community in Northeast Thailand

A 24-week prospective cohort of 612 people in a northeastern Thai endemic community found baseline prevalence of 41.0% by urine antigen versus 8.1% by faecal examination, with roughly tenfold higher incidence and reinfection estimates from the urine assay. Raw-fish consumption in the previous six months carried an adjusted risk ratio of 7.52. Drug treatment alone will not interrupt transmission if behavioural and environmental exposure persists.

Thai researchersKulthida Y. Kopolrat · Parichart Boueroy · Ratanee Kammoolkon · Opal Pitaksakulrat · Patiwat Yasaka · Chanika Worasith · Phattharaphon Wongphutorn · Chatanun Eamudomkarn · Chompunoot Wangboon · Nattaya Watwiengkam · Watcharin Promkhwan · Paiboon Sithithaworn
CAR T cells and liver cancer69IMPACT SIGNAL
Evidence of global relevance

Comparative in vitro evaluation of fourth-generation anti-GPC3 CAR T-cells in hepatocellular carcinoma

A Siriraj team compared second-, third- and fourth-generation anti-GPC3 CAR T cells. Among 195 HCC biopsies, 82.6% were GPC3-positive, and the fourth-generation construct showed the strongest killing in monolayer and spheroid models, with antigen-dependent proliferation and a moderated acute cytokine profile. All efficacy evidence remains in vitro.

Thai researchersThaweesak Chieochansin · Kornkan Choomee · Napat Angkathunyakul · Ananya Pongpaibul · Prawat Kositamongkol · Prawej Mahawithitwong · Chutwichai Tovikkai · Wethit Dumronggittigule · Pholasith Sangserestid · Charnwit Assawasirisin · Yongyut Sirivatanauksorn · Mutita Junking · Pa‐thai Yenchitsomanus
Smart-meter NB-IoT and machine learning69IMPACT SIGNAL
Evidence of global relevance

ML-Based Feasibility-Prediction for NB-IoT Smart Metre Deployment in Thailand: A Cross-Environment Multi-Site Study

Using Thai channel measurements, classifiers predicted whether NB-IoT would achieve 95% RSRP coverage across 411 cells at four sites. Gradient Boosting reached 0.971 accuracy, 0.969 F1 and 1.7 ms inference, far faster than Monte Carlo. However, training labels came from Monte Carlo under the same assumed channel model, so this emulates simulation rather than proving field-deployment accuracy.

Thai researchersKittiwat Srivilas · Chaiyod Pirak
LLMs and software effort estimation69IMPACT SIGNAL
Evidence of global relevance

Hybrid intelligence effort for software effort estimation in LLM assisted development

A controlled experiment with 22 developers, 110 real-world tasks and three LLMs proposed Hybrid Intelligence Effort, combining model work with human oversight. Story Points retained partial value, but validation and corrective intervention dominated effort; HIE dimensions reportedly explained about 72-80% of observed variance. Results may vary by model, team and task.

Thai researchersArfat Ahmad Khan
Orchid cytogenetics and conservation69IMPACT SIGNAL
Evidence of global relevance

Cytogenetics Study of Habenaria janellehayneana Choltco, B.Moloney & Yong, H. rhodocheila Hance and Nervilia khaoyaica Suddee, Watthana & S.W.Gale, Rare Species of Family Orchidaceae from Thailand

Thai researchers analysed chromosomes of Habenaria janellehayneana, H. rhodocheila and Nervilia khaoyaica. Both Habenaria had 2n=42 but different karyotypes, while Nervilia had 2n=36. Multivariate analyses separated genera and species, providing taxonomic and conservation baselines without directly measuring population size or extinction risk.

Thai researchersSanti Watthana · CHUTHAPOND MUSIMUN · Surapon Saensouk · Kamonwan Koompoot · Piyaporn Saensouk · Nooduan Muangsan
NB-IoT channels in Thailand69IMPACT SIGNAL
Evidence of global relevance

Narrowband IoT Channel Characterisation Across Multiple Environments in Thailand

Measurements at 16 central and western Thai sites across five environments produced 8,000 RSRP samples. Path-loss exponents ranged from 2.2 in rural terrain to 4.0 in forest/mountain settings, with distinct fading and shadowing. The parameters support Thai NB-IoT planning but do not represent the entire country, seasons or all operators.

Thai researchersKittiwat Srivilas · Chaiyod Pirak
Natural-rubber aerogel insulation69IMPACT SIGNAL
Evidence of global relevance

Effect of Pre-Vulcanization Time on Structure and Thermal Insulation of Natural Rubber Latex/Silica Aerogel Composites

Natural-rubber-latex/silica-aerogel composites made with eight-day pre-vulcanised latex had greater crosslink density, better preserved aerogel pores and 42.41% lower thermal conductivity than the zero-day formulation. The material remained flexible and thermally stable to 387.3°C, but mechanical durability, service life and fire behaviour were not established.

Thai researchersChayanan Boonrawd · Wanwilai Vittayakorn · Wannapong Triampo · Supan Yodyingyong
Pulmonary drug delivery69IMPACT SIGNAL
Evidence of global relevance

Development and Characterization of Andrographolide Microparticles via Spray Drying: An Aqueous-Based Chitosan/Cellulose/Poloxamer Carrier Approach

A Naresuan University team developed spray-dried andrographolide microparticles using an aqueous chitosan-cellulose-poloxamer carrier. The selected particles were 3-5 micrometres, released 89.23% in four hours and reduced Influenza A/H1N1 titre by 3.3 log10 in laboratory testing. Safety and efficacy after inhalation in animals or people remain untested.

Thai researchersNuttapong Khiaonoi · Kwanchai Kraitong · Punyawan Lumpaopong · Jarupa Viyoch
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.

2,955records
2,955 records
74IMPACT SIGNAL
Environmental Engineering

Study on Compressive Strength, Flexural Behavior, and Chloride Penetration of Steel Fiber Reinforced Concrete (SFRC) under Chloride Environment

The Journal of King Mongkut s University of Technology North Bangkok

Thailand-affiliated authors
Thanapol Yanweerasak · Porjan Tuttipongsawat · Burachat Kittikornjarus
Institutions
Burapha University · Kasetsart University
74IMPACT SIGNAL
Clinical Medicine

Biosafety of rabies virus and related lyssaviruses: Risks, precautions, and knowledge gaps in diagnostic and research laboratories

PLoS neglected tropical diseases

Thailand-affiliated authors
Stuart Dean Blacksell · Khanh Kim Le
Institutions
Mahidol University
74IMPACT SIGNAL
Engineering

Physicochemical and microbiological qualities of shrimp (Litopenaeus vannamei) coated with pectin incorporated with green tea spent extract during refrigerated storage

Journal of Food Composition and Analysis

Thailand-affiliated authors
Nilesh Prakash Nirmal · Arthittaya Thuanthong · Anantita Sangsuriyawong · Zain ul Abideen
Institutions
Mahidol University
74IMPACT SIGNAL
Clinical Medicine

Efficacy of 7% Ectoine Cream for Facial Seborrheic Dermatitis: A Randomized Controlled Trial of Acute and Maintenance Phases

Cosmetics

Thailand-affiliated authors
Nirynya Jitarayameth · Nanticha Kamanamool · Chotinij Lertphanichkul · Chantalck Muennarong · Montree Udompataikul
Institutions
Srinakharinwirot University
74IMPACT SIGNAL
Clinical Medicine

Ventilator-dependent unit as a specialized weaning unit in a resource-limited setting: Evidence review, implementation framework and clinical outcome

Clinical Critical Care

Thailand-affiliated authors
Rathasart Pengpu · Atikun Limsukon · Juthamas Inchai · Tula Wongpalee · Konlawij Trongtrakul
Institutions
Chiang Mai University
74IMPACT SIGNAL
Clinical Medicine

Trade-Offs in Growth Performance, Serum Biochemistry, and Fillet Amino Acid Profiles of Red Tilapia Fed Graded Levels of Azolla microphylla Meal in a Fishmeal Replacement Blend, with Exploratory Observations on Intestinal Microbiota

Veterinary Sciences

Thailand-affiliated authors
Panitnart Auputinan · Nantapong Sumket · Somchart Tana · Payungsuk Intawicha · Phanit Srisuttha · Phadungnaree Saenmuang · Sontaya Sookying · Dutrudi Panprommin · Paiboon Panase
Institutions
University of Phayao
74IMPACT SIGNAL
Energy and Materials

Development and Field Validation of a Solar-Powered Smart Buoy for Saltwater Intrusion Monitoring

Solar

Thailand-affiliated authors
Wirote Ritthong · Kittigorn Chalernphon · Nutthapong Kunla · Pongthep Poungthong · Naphat Albutt · Akom Boonpunya · Khongdet Phasinam
Institutions
Shinawatra University · Pathumthani University · Bangkokthonburi University · King Mongkut's Institute of Technology Ladkrabang
74IMPACT SIGNAL
Clinical Medicine

A Bioactive Microbial Extract from Priestia aryabhattai PTKU-123 Suppresses Phytophthora palmivora Disease and Reprograms Defense-Associated Metabolism in Durian Seedlings

Sci

Thailand-affiliated authors
Nattawut Chaloeykram · Chutirat Ongputhza · Phatlada Saengsurin · Punyaphat Bunroengsak · Arisara Thongpech · Nisit Watthanasakphuban · Siam Popluechai · Sumallika Morakul · Nattakorn Kuncharoen · Paiboon Tunsagool
Institutions
Kasetsart University · Mae Fah Luang University
74IMPACT SIGNAL
Clinical Medicine

Clinical outcomes of different preoperative treatment approaches in locally advanced rectal cancer: real-world experience

BMC Cancer

Thailand-affiliated authors
Jitlada Khonglim · Napat Angkathunyakul · Ananya Pongpaibul · Janjira Petsuksiri · Vutisiri Veerasarn · Woramin Riansuwan · Vitoon Chinswangwatanakul · Charuwan Akewanlop · Krittiya Korphaisarn
Institutions
Siriraj Hospital · Mahidol University
74IMPACT SIGNAL
Clinical Medicine

Analysis of Factors Affecting Consultation-to-Puncture Time in Patients with Acute Ischemic Stroke within a Metropolitan Hospital Referral Network: A Retrospective Cohort Study

Asian Journal of Neurosurgery

Thailand-affiliated authors
Ittichai Sakarunchai · Peerawas Santheerapharp · Potchara Veerarattakul · Chabarprai Tonglor
Institutions
Bangkok Metropolitan Administration
74IMPACT SIGNAL
Clinical Medicine

Functional alterations of neutrophils from β-thalassemia patients exposed to Pythium insidiosum: An ex vivo study

PLoS ONE

Thailand-affiliated authors
Pasinee Sangsiwarit · Wisitsak Phoksawat · Nattiya Teawtrakul · Sonwit Phanabamrung · Parama Budmala · Ariya Chindamporn · Pratsanee Hiengrach
Institutions
Khon Kaen University · Srinagarind Hospital, Faculty of Medicine, Khon Kaen University · Chulalongkorn University
74IMPACT SIGNAL
Environmental Engineering

Characterization and biodegradation of polyhydroxyalkanoates (PHAs) in a simulated marine environment

Scientific Reports

Thailand-affiliated authors
Piyawan Kunriya · Pilanee Vaithanomsat · Antika Boondaeng · Wachirah Jaingam · Chanaporn Trakunjae
Institutions
Kasetsart University
74IMPACT SIGNAL
Clinical Medicine

Chemical and Proteomic Characterization of Bioactive Protein-Enriched Fraction from Schizophyllum commune with Anticancer Activity in HeLa Cells

ACS Omega

Thailand-affiliated authors
Saranya Sedtananun · Lueacha Tabtimmai · Chanapat Butsukon · Chanikan Sonklin · Kiattawee Choowongkomon
Institutions
King Mongkut's University of Technology North Bangkok · Kasetsart University
74IMPACT SIGNAL
Clinical Medicine

Mucoadhesive Chitosome-Based Buccal Delivery of Goat Placenta-Derived Bioactive Macromolecules: Effects on 5-Fluorouracil-Induced Gingival Fibroblast Injury

Pharmaceutics

Thailand-affiliated authors
Worranan Rangsimawong · Phaijit Sritananuwat · Sureewan Duangjit · Natawat Chankana · Praneet Opanasopit
Institutions
Ratchathani University · Ubon Ratchathani University · Rangsit University · Silpakorn University
74IMPACT SIGNAL
Clinical Medicine

Integrated microfluidic platform for continuous downstream purification and in-line residual ethanol monitoring of exosome-mimetic nanoparticles

Sensors and Actuators B Chemical

Thailand-affiliated authors
Vasita Lapee-e · Abdulhadee Yakoh · Hyo‐Il Jung
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Clinical Medicine

Cytotoxicity, antibacterial efficacy, and fluoride content of commercial herbal toothpastes

BDJ Open

Thailand-affiliated authors
Nuttanun Poeaim · Pasiree Thongthai · Pimduean Sivavong · Phakvalunch Rujiraprasert · Thanaphum Noom Osathanon · Thawanrat Singthong · Budsaraporn Boonsuth · Dusit Nantanapiboon
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Clinical Medicine

Sertoli cell tumor in a boar: Pathological and immunohistochemical comparison with canine cases

The Thai Journal of Veterinary Medicine

Thailand-affiliated authors
Anurak Tibboo · Hataitip Changchum · Nuttiya Saengrueng · Panvard Unjai · Natchanon Dumniem · Kasem Rattanapinyopituk · Komkrich Teankum
Institutions
Chulalongkorn University
74IMPACT SIGNAL
Clinical Medicine

Supercharged Colonic Interposition for Total Oesophageal Reconstruction: Technical Refinements, Perioperative Protocol, and Functional Outcomes

Siriraj Medical Journal/San Sirirat

Thailand-affiliated authors
Sarut Chaisrisawadisuk · Pornchanit Karanthakarn · Sirin Apichonbancha · Nutcha Yodrabum · Jirawat Swangsri
Institutions
Siriraj Hospital · Mahidol University
74IMPACT SIGNAL
Engineering

Efficacy of Fluoride Toothpaste Fortified With Micro‐ and Nano‐Hydroxyapatite on Remineralization and Surface Roughness of Synthetic Enamel

Clinical and Experimental Dental Research

Thailand-affiliated authors
Porawit Kamnoedboon · Phakvalunch Rujiraprasert · Thawanrat Singthong · Thanaphum Noom Osathanon · Chalermkwan Makornpan · Chawalid Pianmee · Naruporn Monmaturapoj · Dusit Nantanapiboon
Institutions
Chulalongkorn University · National Science and Technology Development Agency · Thailand National Metal and Materials Technology Center · Surin Hospital
74IMPACT SIGNAL
Clinical Medicine

Associations of Maximal Inspiratory Pressure With Lung Hyperinflation, Functional Capacity, and Muscle Strength in Patients With Chronic Obstructive Pulmonary Disease

Physiotherapy Research International

Thailand-affiliated authors
Jarinya Kraisalee · Warawut Chaiwong · Teelek Lungta · Nutcha Vimolsutjarit · Mujalin Prasannarong · Athavudh Deesomchok · Sauwaluk Dacha
Institutions
Chiang Mai University
74IMPACT SIGNAL
Clinical Medicine

Longitudinal Changes in Cervical Length Prior to the Onset of Spontaneous Labor at Term Gestation

AJOG Global Reports

Thailand-affiliated authors
Puntabut Warintaksa · Supakorn Chaiyakarn · Maolee Bhuwapathanapun · Chalongraj Ratanawongsaroj · Orathai Munggaranonchai · Sasivimol Rattanasiri · Piya Chaemsaithong
Institutions
Mahidol University · Ramathibodi Hospital · Phramongkutklao Hospital
74IMPACT SIGNAL
Clinical Medicine

Development and Internal Validation of the Si-AAA Prognostic Score for Five-Year Overall Survival after Endovascular Aneurysm Repair in Patients with Asymptomatic Abdominal Aortic Aneurysm

Annals of Vascular Surgery

Thailand-affiliated authors
Tossapol Prapassaro · Natwadee Jitcharoen · Khamin Chinsakchai · Sasima Tongsai · Kiattisak Hongku · Chumpol Wongwanit · Nuttawut Sermsathanasawadi · Suteekhanit Hahtapornsawan · Nattawut Puangpunngam · Kanin Pruekprasert · Tiwa Chaisongrit · Chanean Ruangsetakit
Institutions
Siriraj Hospital · Mahidol University
74IMPACT SIGNAL
Environmental Engineering

A Novel Indoor Environmental Quality Assessment Method for Vernacular Bamboo Houses in Tropical Climates

Emerging Science Journal

Thailand-affiliated authors
Romrawee Srithongkaew · Kantaphong Srimuang · Wirut Thinnakorn
Institutions
Walailak 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