OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Chemistry and Pharmacy is 32. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Hydrogel for topical drug delivery based on Mimosa pudica seed mucilage: Development and characterization	131
Agronomic valorization of sewage sludge: The potential of thermal drying to achieve sanitation and biological stability	90
A greener approach to impart multiple functionalities on polyester fabric using Schiff base of vanillin and benzyl amine	85
Extraction and characterization of natural colorant from Melia azedarach bark and its utilization in dyeing and finishing of wool	84
Polycyclic aromatic hydrocarbons in biochar originated from pyrolysis of aseptic packages (Tetra Pak®)	78
Importance of advanced analytical techniques and methods for food quality control and pollution analysis for more sustainable future in the least developed countries	65
Waste marble powder emerges as a promising material choice to enhance the properties of alkali-activated slag cement	59
Chemical recycling of polyester fabrics by alkaline hydrolysis using alcohols as cosolvents	53
Optimization of bioactive compounds recovery from thuya solid residues using ultrasound and nonionic surfactants assisted extraction: A response surface methodology study	52
Synthesis and modification of carbohydrates using metallaphotoredox catalysis and photoexcited-state transition metal catalysis	52
Utilizing of iron filings in geopolymer mortar as a target for climate change mitigation	52
Preparation of chabazite based Fenton-like heterogeneous catalyst and its organic micropollutant removal performance	48
Partial characterization of β-glucosidase, β-xylosidase, and α-l-arabinofuranosidase from Jiangella alba DSM 45237 and their potential in lignocellulose-based biorefining	48
Healthcare waste from clinical analysis laboratories in São Tomé and Príncipe – Current state and constrains in the framework of least developed countries	47
Green extraction of hemp seeds cake (Cannabis sativa L.) with 2-methyloxolane: A response surface optimisation study	44
The use of geotextiles in agricultural soils and their effects on soil properties and nutrients availability. Are wastes plastics likely to become useful materials in agriculture?	44
T3P®-Assisted cascade synthesis of N-acyl α-cyanoamines, cyanoaryl amides and N-acyl cyanoarylamines: Application in making three pharmaceutically important molecules	44
Single-step hydrothermal synthesis of biochar from waste industrial hemp stalk core for Pb2+ sorption: Characterization and mechanism studies	42
Transparency in product authorisation – The handling of commercially confidential information in environmental risk assessments of industrial chemicals, biocidal products, plant protection products an	42
Aluminum (III) chloride-catalyzed transformation of biomass derived furans to Benzo[b]furans	42
Modification mechanism, heavy metal coupling and ecological security risk assessment of phosphogypsum utilization in self-leveling mortar	39
A novel approach and mechanistic insight into the co-extraction of essential oil and pectin from Citrus aurantium L. var. amara Engl. based on machine learning and DFT calculations	38
Combining natural deep eutectic solvent and microwave irradiation towards the eco-friendly and optimized extraction of bioactive phenolics from Eugenia uniflora L.	38
Research progress on solidification/stabilization of sludge with Alkali‒Activated cementitious materials: A review	36
Orange peel composition, biopolymer extraction, and applications in paper and packaging sector: A review	35

Rapid, green and semi-automated PT-μSPE for antidepressants analysis in urine and plasma using melt-blown polypropylene from disposable face masks as sorbent	34
Different ligand functionalized bimetallic (Zr/Ce)UiO-66 as a support for immobilization of phosphotungstic acid with enhanced activity for the esterification of fatty acids	33
Green extraction strategies to obtain bioactive compounds from ‘Charelo’ vine shoots	33
Novel caffeic acid grafted chitosan-sodium alginate microcapsules generated by microfluidic technique for the encapsulation of bioactive peptides from silkworm pupae	32
Greenness, whiteness, and blueness assessment with spider chart solvents evaluation of HPTLC-densitometric method for quantifying a triple combination anti-Helicobacter pylori therapy	32
Synergistic recovery of aluminum phosphorus from incinerated sewage sludge ash via acid and alkaline treatment	32
ESG approach in the valorization of cocoa (Theobroma cacao) by-products by subcritical water: Application in the cosmetic industry	32