OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Chemistry and Pharmacy is 30. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Operationally simple, scalable synthesis of aryloxy propanolamines using glycerol as a green promoting media: Practical eco-friendly access to propranolol and atenolol	95
Recovery of phosphates from anaerobic MBR effluent using columns of eggshell and seagrass residues and their final use as a fertilizer	90
An alternative application for reuse of leaching residues: Determination of adsorption behaviour for methylene blue and process optimization	90
Biorefinery development for the production of polyphenols, algal biomass and lipids using olive processing industry waste	83
The effect of ultrasound on improving the extraction of tannins from the Stryphnodendron adstringens bark	66
Style decolorization treatment of denim fabric: Decomposition of indigo dyes via horseradish peroxidase/H2O2 system at room temperature	58
Novel approaches and green sample preparation in bioanalytical protocols	54
Comparison of three extraction methods for anthocyanins from perilla frutescens leaves	54
Are newer pharmaceuticals more recalcitrant to removal in wastewater treatment?	52
Evaluation of analytical efficiency, sustainability and applicability of microextraction based analytical methods for drugs of abuse using a white analytical chemistry approach	51
Phosphorus removal mechanism from liquid phase using digestate-derived biochar	48
In-situ chemobiocatalytic conversion of glucose into 2,5-bis(hydroxymethyl)furan by AlCl3/Enterobacter cloacae in biocompatible DMSO-water solvent	48
Green and efficient extraction of polyphenols from the leaves of Quercus dentata Thunb and in vitro antioxidant activities of polyphenol extract	47
Improvement of barrier properties for packaging applications	46
Utilization of marine organisms for the green synthesis of silver and gold nanoparticles and their applications: A review	45
Synthesis, characterization, and bioactivity evaluation of PES-Ni-SiO2 nanocomposite membranes cum stabilization of Ag NPs for nitrophenols hydrogenation and dyes discoloration studies	44
Assessment of two-stage anaerobic digestion of blackwater and kitchen waste for reducing environmental impact of residential buildings	43
An integrated paradigm between green analytical chemistry and quality-by-design for robust analysis of alcaftadine and ketorolac tromethamine in aqueous humor via sustainable chromatographic methods	42
A new eco-friendly electrochemical sensing platform for monitoring of agomelatine in different matrices with sub-nanomolar detection limits	39
Synthesis and modification of carbohydrates using metallaphotoredox catalysis and photoexcited-state transition metal catalysis	39
Green extraction strategies to obtain bioactive compounds from ‘Charelo’ vine shoots	39
Waste marble powder emerges as a promising material choice to enhance the properties of alkali-activated slag cement	38
Electrokinetic biocementation of an organic soil	37
Robust analytical method for the enantiomeric separation of lurasidone hydrochloride: Integrating analytical quality by design and green chemistry principles	35
Quantitative analysis of cabozantinib in pharmaceutical dosage forms using green RP-HPTLC and green NP-HPTLC methods: A comparative evaluation	35

Guar gum based flexible packaging material with an active surface reinforced by litchi shell derived micro fibrillated cellulose and halloysite nanotubes	35
Development of pH-sensitive films based on buckwheat starch, critic acid and rose petal extract for active food packaging	35
Research progress on solidification/stabilization of sludge with Alkali‒Activated cementitious materials: A review	34
Spent coffee waste: A sustainable source of cleansing agent for a high-performance makeup remover	33
Preparation of modified rice straw-based bio-adsorbents for the improved removal of heavy metals from wastewater	32
Optimization of ultrasounds assisted extraction of polysaccharides from cladodes of Opuntia ficus-indica using response surface methodology	30
Preparation of amylopectin and chitosan based polyurethanes for sustained drug release studies	30