IL PORTALE per la RICERCA dei DIPARTIMENTI

RONZONI MR (2012) ""Zone 30" come possibile strumento di moderazione del traffico urbano"

MANGHISONI M, RE V, TRAVERSI G (2012) "A 65 nm CMOS Front-End Chip for High Density Readout of Pixel Sensors"

D'URSO GD, GIARDINI C (2012) "A Combined Experimental Simulative Method for Studying the Material Bonding of Different Aluminum Alloys"

CAMPOPIANO G, DE MASSIS AV (2012) "A Content Analysis on Corporate Social Responsibility Reporting in Family vs. Non-family Firms"

BRUGALI D (2012) "A Domain Specific Language for Modeling Differential Constraints of Mobile Robots"

ROSSETTI M, SCANDURRA P (2012) "A Formal High-level Modeling Approach to Develop Reliable Components in Vision-based Robotics"

BRUGALI D (2012) "A Java vs. C++ performance evaluation: a 3D modeling benchmark"

BRUGALI D (2012) "A Reuse-Oriented Development Process for Component-based Robotic Systems"

PEZZOTTA G, CAVALIERI S, GAIARDELLI P (2012) "A Service Engineering procedure for the design and configuration of Product-Service Systems"

CAMPOPIANO G, CASSIA L, DE MASSIS AV (2012) "A Stakeholder Perspective on Corporate Social Responsibility in Family Business"

BARAGETTI S (2012) "A comprehensive study of the performances of PVD WC/C-coated racing gears"

RIZZI C (2012) "A computer-aided procedure to develop lower limb prosthesis"

KALCHSCHMIDT MGM (2012) "A critical analysis of supply chain integration in the agro-food industry"

PINTO R (2012) "A customers grouping problem with demand uncertainty and resource minimization"

SPELTA C (2012) "A full hybrid electric bike: how to increase human efficiency"

SALVI J, RIZZI E (2012) "A numerical approach towards best tuning of Tuned Mass Dampers"

DOTTI S, GAIARDELLI P, RESTA B (2012) "A performance measurement system for the textile and clothing industry: the Performance Box"

SCANDURRA P (2012) "A reliability prediction method for abstract state machines"

SCANDURRA P (2012) "Adapting Cloud-Based Applications Through A Coordinated And Optimized Resource Allocation Approach"

RE V (2012) "Advanced Pixel Sensors and Readout Electronics Based on 3D Integration for the SuperB Silicon Vertex Tracker"

BARIGOZZI G, FRANCHINI G, PERDICHIZZI AG (2012) "Aero-thermal performance of a rotor blade cascade with stator-rotor seal purge flow"

BASSI F (2012) "Agglomeration-based physical frame DG discretizations for high-order accurate CFD"

GIARDINI C (2012) "Algorithm for Tool Geometry Updating in 3D FEM Environment Considering the Tool Wear"

PIZZIGONI A, RUSCICA G (2012) "Algoritmi di forma delle strutture reciproche"

STRADA R, ZAPPA BF (2012) "An Unified Design Procedure for Flying Machining Operations"

RAVASIO C (2012) "An experimental investigation of the effects of Spindle Speed Variation on tool wear in turning"

CABRINI M, LORENZI S, PASTORE T (2012) "Analisi critica della determinazione della velocità di corrosione di leghe di magnesio rivestite"

MARENGO M (2012) "Analysis of water drop impacts on tilted non-wettable surfaces"

Marengo M (2012) "Are Dominant Oscillation Frequencies Always Present in Pulsating Heat Pipes?"

BARAGETTI S (2012) "Aspetti metallurgici del rilassamento di acciaio inossidabile tipo AISI 316 trafilato con differenti livelli di incrudimento"

PARABOSCHI S, MUTTI S (2012) "Automated Management and Analysis of Security Policies using Eclipse"

MARINI A, RIVA P (2012) "Behaviour and retrofitting of single-leaf vaults under distributed horizontal forces"

GIARDINI C (2012) "Burr reduction method in microdrilling of metal sheets by Poly Methyl Methacrylate (PMMA) coating"

FONTANA F, NATALI SORA I (2012) "CARBON DIOXIDE IN REMEDIATION OF CONTAMINATED SITES: PRELIMINARY RESULTS"

GARGANTINI AM, VAVASSORI P (2012) "CITLAB: A Laboratory for Combinatorial Interaction Testing"

MANGHISONI M, RE V, TRAVERSI G (2012) "CMOS MAPS in a Homogeneous 3D Process for Charged Particle Tracking"

COPPOLA L, BUOSO A (2012) "Caratterizzazione meccanica di compositi a base cementizia con fibre di vetro, di polipropilene rinforzato (GRP) e nanotubi in carbonio ad elevate velocità di deformazione"

ARCAINI P, GARGANTINI AM (2012) "CoMA: Conformance Monitoring of Java programs by Abstract State Machines"

ARCAINI P, GARGANTINI AM (2012) "Components monitoring through formal specifications"

BARIGOZZI G, RAVELLI S (2012) "Computational predictions of aero-thermal performance of a turbine blade cascade with endwall film cooling"

PARABOSCHI S, MUTTI S (2012) "Conflict detection in security policies using Semantic Web technology"

BRUGALI D, SCANDURRA P (2012) "Coordinated execution of heterogeneous service-oriented components by Abstract State Machines"

BESCHI C, RIVA P (2012) "Corner beam-column joints retrofitting with HPFRC jacketing"

CAMPOPIANO G, DE MASSIS AV (2012) "Corporate Social Responsibility Reporting: A Content Analysis in Family and Non-family Firms"

CAMPOPIANO G, DE MASSIS AV, CASSIA L (2012) "Corporate Social Responsibility: A Survey among SMEs in Bergamo"

D'URSO GD, GIARDINI C (2012) "Coupled Simulative-Experimental Procedure for Studying the Solid State Bonding Phenomena"

FASSO' A (2012) "D-STEM. A statistical software for multivariate space-time environmental data modeling"

NATALI SORA I, FONTANA F (2012) "DESIGN OF NEW PHOTO-FENTON CATALYSTS FOR THE OXIDATION OF ORGANIC POLLUTANTS IN WATER"

FRANCHINI G, PERDICHIZZI AG (2012) "Design and construction of a solar heating and cooling plant"

GOLINI R (2012) "Developing sustainability strategies in global manufacturing networks"

CALDARA M, GALIZZI M, RE V, ROSACE G (2012) "Development of a Novel pH Sensor for Wearable Applications"

TORQUATI M, RIVA P (2012) "Displacement based assessment for precast concrete structures: application to a three story plane frame"

PSAILA G (2012) "Distinct Interpretations of Importance Query Weights in the Vector p - norm Database Model"

MORANDI V, MALIGHETTI P, PALEARI S (2012) "EU-US Open Skies Agreement: what is changed in the north transatlantic skies?"

DOVERE E (2012) "Economical Evaluation of PV System Losses due to the Dust and Pollution"

D'URSO GD, MACCARINI G, MERLA C, RAVASIO C (2012) "Effect of electrode on micro drilling process using EDM on different materials"

BARAGETTI S (2012) "Effect of shot peening on the fatigue behavior of some sintered steels"

RIZZI E (2012) "Elastoplastic structural analysis of the Paderno d'Adda bridge (Italy, 1889) based on Limit Analysis"

PINTO R, CAVALIERI S (2012) "Encompassing Demand Risk in Supply Management: an Extension of the Kraljic Portfolio Matrix"

PICCO M, MARENGO M (2012) "Energy simulations for energy efficiency improvement of an existing private clinic in North Italy"

GIARDINI C (2012) "Evaluation of Superficial and Dimensional Quality Features in Metallic Micro-channels by Micro-Milling"

GARGANTINI AM (2012) "Evolutionary Testing of PHP Web Applications with WETT"

ROSCIA M (2012) "Evolutionary techniques, a sensitivity-based approach for handing discrete variables in reactive power planning"

Marengo M (2012) "Experimental Analysis Of Heterogeneous Non Uniform Flow Boiling Of R-134a Inside A Glass Minichannel, ECI"

RIGHETTINI P, STRADA R (2012) "Experimental activities on step motor drives"

MARENGO M, COSSALI G (2012) "Experimental and numerical analysis of the single droplet impact onto stationary ones"

COPPOLA L, BUOSO A, LORENZI S (2012) "Experimental evaluation of a new phosphonate-based superplasticizer for concrete"

D'URSO GD, GIARDINI C, PASTORE T (2012) "Experimental investigation of fatigue crack growth in the welding nugget of FSW joints of a 6060 Aluminum Alloy"

COPPOLA L, BUOSO A (2012) "Experimental study on the electrical properties of cement composites with carbon nanotubes for monitoring the stress conditions of reinforced concrete structures"

GARGANTINI AM (2012) "Extending Coverage Criteria by Evaluating Their Robustness to Code Structure Changes"

RIVA P (2012) "External R.C. structural walls for the repair of earthquake damaged buildings"

DE MASSIS AV, CASSIA L (2012) "Family Business Goals: The Perspective Of Internal Stakeholders"

TRAVERSI G, RE V, MANGHISONI M (2012) "Fast Analog Front-end for the Readout of the SuperB SVT Inner Layers"

BARAGETTI S (2012) "Fatigue behavior of notched Ti-6Al-4V in inert environment"

BARAGETTI S (2012) "Fatigue crack nucleation and growth mechanisms for Ti6Al4V in different environments"

FORMENTIN S, SPELTA C (2012) "Fault detection in roll angle estimation for two-wheeled vehicles"

FOSCI P, PSAILA G (2012) "Finding the Best Source of Information by means of a Socially-enabled Search Engine"

PSAILA G (2012) "Flexible Querying in Geo-Finder"

Cabrini M (2012) "Formabilità a Tiepido di lamiere In Titanio: Studio Sperimentale e Numerico"

MINOLA T (2012) "Founders' human capital and the survival of university start-up companies"

SCANDURRA P (2012) "Functional Requirements Validation by Transforming Use Case Models into Abstract State Machines"

RUSSO D, MONTECCHI T (2012) "Functional-Based Search for Patent Technology Transfer"

GOLINI R, KALCHSCHMIDT MGM (2012) "Global supply chain configurations and management: evidences from the electric motors industry"

DE MASSIS AV (2012) "Goal setting in family firms: The who, the what, and the how."

ROSCIA M (2012) "Grid connected and stand alone DC power system prototype"

MAMELI M, MARENGO M (2012) "Heterogeneous Non Uniform Flow Boiling Of R-134a Inside A Glass Minichannel"

MAMELI M, MARENGO M (2012) "Heterogeneous and Non Uniform Onset of Nucleate Flow Boiling of R-134a Inside a Glass Minichannel"

Marengo M (2012) "Heterogeneous and Non Uniform Onset of Nucleate Flow Boiling of R-134a Inside a Glass Minichannel,"

Marengo M (2012) "How to turn aluminum into a superhydrophobic surface"

PIROLA F, PINTO R (2012) "ICT support in One-of-a-Kind Production context: an empirical research in the Italian Special Purpose Machines Industry"

PIROLA F, PINTO R (2012) "ICT support in One-of-a-Kind production: a case study research in the special purpose machines industry"

GOLINI R, GUALANDRIS J, KALCHSCHMIDT MGM (2012) "Implementing sustainable supply chain management: the role of supply chain management investments and global sourcing"

REGAZZONI D, RIZZI C (2012) "Industrial application of DHM for ergonomics driven by low cost mocap solutions"

BARIGOZZI G, FRANCHINI G, PERDICHIZZI AG (2012) "Influence of Hole Diameter and Fan Shaping on Endwall Film Cooling of a Rotor Blade"

REGAZZONI D, PEZZOTTA G, CAVALIERI S, RIZZI C (2012) "Integration of TRIZ problem solving tools in a product-service engineering process"

D'URSO GD, MACCARINI G, MERLA C, RAVASIO C (2012) "Integration of micro-EDM and EBL processes in silicon manufacturing"

ADOBATI F (2012) "Interdipendenze tra mobilità degli individui e governo del territorio: dalle province alle città metropolitane"

GOLINI R (2012) "International Development Projects By Non-Governmental Organizations: Peculiarities And Methodologies"

Giardini C (2012) "Investigation of the Fishtail Defect in Ring Rolling by a FEM Approach "

GIARDINI C (2012) "Investigation of the fishtail defect in ring rolling by a FEM approach"

Marengo M (2012) "Is superhydrophobicity always needed?"

MONTECCHI T, RUSSO D (2012) "Knowledge based approach for formulating TRIZ contradictions"

RUSSO D, MONTECCHI T (2012) "Knowledge based approach for identifying TRIZ contradictions"

SANTINI M, FEST-SANTINI S, COSSALI G (2012) "LDV characterization of the liquid velocity field underneath an impacting drop"

ADOBATI F (2012) "Le implicazioni della trasformazione delle province per la pianificazione del territorio. A partire dai piani d’area"

TERZI S (2012) "Lean product development: A five-steps methodology for continuous improvement"

TERZI S (2012) "Learning Methodologies to Diffuse Lean Product Development to Industries"

BARAGETTI S (2012) "Load and environmental effects on the corrosion behavior of a Ti6Al4V alloy"

CALDARA M, COLLEONI C, GUIDO E, ROSACE G, RE V (2012) "Low power textile-based wearable sensor platform for pH and temperature monitoring with wireless battery recharge"

TERZI S (2012) "Manufacturing Process Planning in Set-Based Concurrent Engineering Paradigm"

COPPOLA L, BUOSO A (2012) "Mechanical characterization of cement composites reinforced with fiberglass, carbon nanotube or glass reinforced plastic (GRP) at high strain rates"

D'URSO GD, MACCARINI G, MERLA C, RAVASIO C (2012) "Micro EDM machining of small features on magnesium plates"

D'URSO GD, MACCARINI G, MERLA C, RAVASIO C (2012) "Micro holes on different materials: a comparison between micro EDM and micro laser technologies"

PAGANO C, RIGHETTINI P, ZAPPA BF (2012) "Micro manipulation and assembly"

GARGANTINI AM (2012) "Model-Driven Testing for Web Applications Using Abstract State Machines"

COLOGNI AL, PREVIDI F (2012) "Modeling and control of an Internal Bubble Cooling system"

ROSSETTI M, SCANDURRA P (2012) "Modeling synchronization/communication patterns in Vision-Based Robot Control applications using ASMs"

RIVA P, BESCHI C (2012) "Modelling of exterior beam to column joint in ’60-70s RC existing buildings"

Beschi C. (2012) "Modelling of exterior beam to column joint in ’60-70s RC existing buildings"

GARATTINI R (2012) "Modified dispersion relations and noncommutative geometry lead to a finite Zero Point Energy"

GARATTINI R (2012) "Modified dispersion relations: from black-hole entropy to the cosmological constant"

TRAVERSI G (2012) "Monolithic Pixel Sensors for Fast Particle Trackers in a Quadruple Well CMOS Technology"

REGAZZONI D, RIZZI C (2012) "Motion Capture and Virtual Humans to Enhance Ergonomic Design and Validation of refrigerated display units"

TERZI S (2012) "Multi-objective optimization of product life-cycle costs and environmental impacts"

RIZZI E (2012) "On the mixed collapse mechanism of semi-circular masonry arches"

COSSALI G, TONINI S (2012) "Oscillating droplet evaporation modelling for spray combustion simulation"

CASSIA L, MINOLA T (2012) "Overcoming barriers in the entrepreneurial process of youth: the importance of support programs"

TRAVERSI G, MANGHISONI M, RE V (2012) "Perspectives of 65nm CMOS technologies for high performance front-end electronics"

GIARDINI C (2012) "Pneumatic solution for multiple sample endoscope"

RIVA P (2012) "Pre-stressed vertical injected anchors on historical masonry: a case study, the Bell Tower of Botta di Sotto il Monte Papa Giovanni XXIII"

BARIGOZZI G, MIRANDA M, RAVELLI S (2012) "Preliminary steady-state heat transfer results on the trailing edge cutback of a high pressure gas turbine vane"

Manzoni M (2012) "Pressure Dependence of HTPB- and Paraffin-based Solid Fuels for Hybrid Rocket Propulsion."

Galbiati C (2012) "Pressure Dependence of HTPB- and Paraffin-Based Solid Fuels for Hybrid Rocket Propulsion"

DE MASSIS AV (2012) "Product Innovation in Family Firms: An Analysis of the Critical Success Factors"

DE MASSIS AV (2012) "Product Innovation in Family Firms: an Analysis of the Critical Success Factors"

BARAGETTI S (2012) "Progettazione di una plancetta/tender lift per yacht di dimensioni medio-grandi"

MOROTTI R, REGAZZONI D, RIZZI C (2012) "Prosthesis design based on virtual prototyping techniques"

D'URSO GD, GIARDINI C (2012) "Quality Analysis of Friction Stir Welded Butt Joints by Means of Experiments and Simulations"

Giardini C (2012) "Quality Analysis of Friction Stir Welded Butt Joints by Means of Experiments and Simulations "

PEZZOTTA G (2012) "Re-engineering an Engineering Education Programme: Example of the University of Botswana"

VILLA F, MARENGO M (2012) "Rebound map for water drop impacts on tilted surfaces"

SCANDURRA P (2012) "Reliability prediction for service component architectures with the SCA-ASM component model"

CASSIA L, MINOLA T (2012) "Revising the Start-Up Capital Structure of New Ventures: The Case of Juvenile NTBFs"

BESCHI C, RIVA P (2012) "Rinforzo di nodi trave-pilastro d’angolo con incamiciatura in calcestruzzo fibro-rinforzato ad elevate prestazioni"

SCANDURRA P (2012) "SCA-PatternBox: an Eclipse-based design pattern editor for Service Component Architectures"

BRUGALI D (2012) "Service component architecture in robotics: the SCA-Orocos integration"

ROSACE G, CALDARA M, COLLEONI C, RE V (2012) "Silica-based chemical sensors integrated with a optoelectronic readout system for smart textiles"

CAMPOPIANO G, CASSIA L, DE MASSIS AV (2012) "Small- and Medium-sized Family Firms and Corporate Social Responsibility. An Exploratory Study"

FASSO' A (2012) "Spatio temporal models for dynamic mapping of exposure to air borne pollution and assessment of environmental policies"

RIVA P (2012) "Strengthening of R/C beams with high performance concrete jacket"

RUSSO D (2012) "Structural Optimization and LCA for a Computer-Aided Sustainable Design"

COPPOLA L, BUOSO A (2012) "Studio sperimentale delle proprietà elettriche di materiali a base cementizia con nanotubi in carbonio"

Marengo M (2012) "Superhydrophobic aluminium surface by one-step wet reaction,"

Marengo M (2012) "Superhydrophobic aluminum by one-step wet reaction"

GOLINI R, KALCHSCHMIDT MGM (2012) "Supply chain globalization in high speed train manufacturing: a global value chain perspective"

GOLINI R, KALCHSCHMIDT MGM (2012) "Supply chain integration to face demand and product uncertainty: an empirical study"

PARABOSCHI S (2012) "Support for Write Privileges on Outsourced Data"

GOLINI R, GUALANDRIS J, KALCHSCHMIDT MGM (2012) "Sustainable supply chain management: the role of supply management improvement programs and global sourcing"

ROSCIA M (2012) "Synergy between renewable sources and electric vehicles for energy integration in distribution systems"

ARCAINI P, GARGANTINI AM (2012) "Test Generation for Sequential Nets of Abstract State Machines"

CALDARA M, COLLEONI C, GUIDO E, RE V, ROSACE G (2012) "Textile based colorimetric pH sensing: a platform for future wearable pH monitoring"

ARCAINI P, GARGANTINI AM, SCANDURRA P (2012) "The ASMETA framework"

MANGHISONI M (2012) "The DSSC Pixel Readout ASIC with Amplitude Digitization and Local Storage for DEPFET Sensor Matrices at the European XFEL"

PARABOSCHI S (2012) "The PoSecCo Security Decision System"

MINOLA T, DE MASSIS AV, CASSIA L (2012) "The hyper-growth of family SMEs"

CASSIA L, DE MASSIS AV, MINOLA T (2012) "The hyper-growth of family-owned firms: evidence from European SMES"

D'URSO GD, MACCARINI G, MERLA C, RAVASIO C (2012) "The influence of electrode shape and material on micro EDM drilling process"

PALEARI S (2012) "The market for control of science-based firms"

RAVASIO C, PELLEGRINI G (2012) "The reproducibility in AWJ cutting: an experimental case"

FONTANA F, NATALI SORA I (2012) "The route to transition metal complexes with azahelicenes"

FOSCI P, PSAILA G (2012) "Toward a product search engine based on User Reviews"

RESTA B, GAIARDELLI P (2012) "Towards a framework for lean product-service systems"

MAMELI M, MARENGO M (2012) "Towards quantitative validation of a closed loop pulsating heat pipe numerical model"

KALCHSCHMIDT MGM (2012) "Traceability in the Cocoa Supply Chain: An Indonesian Context"

FONTANA F, NATALI SORA I (2012) "Transition metal complexes with azahelicenes: synthesis and characterization"

VISMARA S (2012) "Two stage exit vs. direct sellout: is it worth going public before being acquired?"

TERZI S (2012) "Understanding the approaches to create a process architecture for lean thinking"

CABRINI M, LORENZI S, PASTORE T (2012) "Valutazione della velocità di corrosione di acciai al carbonio per il trasporto e lo stoccaggio di CO2 ad alta pressione (CCTS)"

COPPOLA L, LORENZI S, BUOSO A (2012) "Valutazione delle prestazioni reologiche e meccaniche di un additivo superfluidificante innovativo a base fosfonica"

TORQUATI M, RIVA P (2012) "Valutazione dell’influenza delle connessioni a cerniera di nodi trave-pilastro nell’analisi di vulnerabilita’ di struttura prefabbricate"

REGAZZONI D, RIZZI C (2012) "Virtual ergonomics to design auxiliary equipment for commercial refrigeration"

RUSSO D (2012) "Virtual models as a means of research in history of technique"

RIZZI C (2012) "Virtual testing laboratory for lower limb prosthesis design"

FEST-SANTINI S, SANTINI M, COSSALI G (2012) "Water drop impact into a deep pool: influence of the liquid pool temperature"

VERDICCHIO M (2012) "What kind of machine is the mind?"

MINOLA T (2012) "What makes next generation members found their own firm: knowledge, contacts, or money?"

RIVA P (2012) "Wood Beton ARIA: a new wood-concrete structural wall: seismic performances"

P. Arcaini (2012) "epop : an Eclipse-based Extensible Research Evaluator"

GARGANTINI AM (2012) "epop: an Eclipse-based extensible research evaluator"

REGAZZONI D, PEZZOTTA G, CAVALIERI S, RIZZI C (2012) "integrazione di strumenti triz nel processo di ingegnerizzazione di un Product Service System"

RESTA B, GAIARDELLI P (2012) "A classification model for Product-Service offerings: an empirical evaluation"

MAMELI M, MARENGO M (2012) "Are cominant oscillation frequencies always present in pulsating heat pipes?"

PEZZOTTA G, CAVALIERI S, GAIARDELLI P (2012) "Design and configuration of Product-Service Systems: a Service Engineering procedure"

GOLINI R (2012) "Determinants of input, work-in-process and output inventory levels: an international study of manufacturing industries"

MAMELI M, MARENGO M (2012) "Experimental analysis of heterogeneous non uniform flow boiling of R-134a inside a glass minichannel"

CASSIA L, DE MASSIS AV, MINOLA T (2012) "Hyper-growth patterns: a comparison of family and non-family firms"

VILLA F, MARENGO M (2012) "Is superhydrophobicity always needed? Case of drop impact onto a surface"

MINOLA T (2012) "Offspring's founding intentions and family's resource provision: when theory of planned behavior meets the resource-based view"

FASSO' A (2012) "Sampling and Measurement Issues in Establishing a Climate Reference Upper Air Network"

NATALI SORA I, FONTANA F (2012) "Structural and magnetic properties of Cu-doped LaSrFe perovskites"

MARENGO M (2012) "Superhydrophobic aluminium surface by one-step wet reaction"

MARENGO M (2012) "Superhydrophobic aluminum by one-step wet reaction"

CASSIA L, DE MASSIS AV, MINOLA T (2012) "The hyper-growth of family SMEs (Summary)"

SCANDURRA P (2012) "A Layered Coordination Framework for Optimizing Resource Allocation in Adapting Cloud-based Applications"

TERZI S (2012) "Management of new product development process: the explorative empirical research of the GeCo observatory"

CALDARA M, COLLEONI C, GUIDO E, ROSACE G (2012) "Optical sensor development for smart textiles"

PIZZIGONI A, RUSCICA G (2012) "Planting Tensegrity Trees"

Pizzigoni A (2012) "Planting tensegrity trees"

Galbiati C (2012) "Research Activities on Hybrid Solid Fuels at SPLab"

COLLEONI C, GUIDO E, ROSACE G (2012) "Synthesis of a stable aqueous TiO2-Chitosan sol prepared without stabilizing alcohol"