urea has been researched along with chitosan in 81 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 11 (13.58) | 18.2507 |
| 2000's | 6 (7.41) | 29.6817 |
| 2010's | 44 (54.32) | 24.3611 |
| 2020's | 20 (24.69) | 2.80 |
| Authors | Studies |
|---|---|
| Krajewska, B; Leszko, M; Zaborska, W | 1 |
| Jing, SB; Kusaka, M; Miyata, S; Nagano, N; Nishitoba, T; Sato, H; Yamaguchi, T; Yoshimoto, H | 2 |
| Ilari, P; Muzzarelli, RA; Tomasetti, M | 1 |
| Basu, S; Klein, MD; Matthew, HW; Peterson, WD; Salley, SO | 1 |
| Chen, RH; Tsaih, ML | 1 |
| Ji, D; Jing, SB; Li, L; Takiguchi, Y; Yamaguchi, T | 1 |
| Majda, J; Misterka, S; Paluch, D; Staniszewska-Kuś, J; Szymonowicz, M | 1 |
| Harada, A; Higashiyama, S; Kawase, M; Kurikawa, N; Michibayashi, N; Mizoguchi, T; Muranaka, H; Nakashima, Y; Yagi, K | 1 |
| Dixit, V; Elçin, YM; Gitnick, G | 1 |
| Espinosa, FF; Kameyama, T; Kawamoto, Y; Nagata, F; Nishizawa, K; Varma, HK; Yokogawa, Y | 1 |
| Li, J; Pan, J; Yu, Y; Zhang, L | 1 |
| Lin, F; Lu, Q; Wang, X; Wu, R; Xiong, Z; Yan, Y; Zhang, R | 1 |
| Bao, Z; Pan, J; Wu, C; Yu, Y | 1 |
| Lawrence, BJ; Lin, HK; Maase, EL; Madihally, SV | 1 |
| Chu, XH; Ding, YT; Feng, ZQ; Gu, ZZ; Shi, XL | 1 |
| Fan, M; Hu, Q | 1 |
| Cho, YW; Chung, BG; Kim, CB; Kim, JK; Lee, KH; Lee, SH; Shin, SJ | 1 |
| Dimova, N; Gabrovska, K; Godjevargova, T; Ivanov, J; Vasileva, I | 1 |
| Bertrand, P; Demoustier-Champagne, S; Deschaume, O; Glinel, K; Jonas, AM; Lakard, B; Magnin, D; Nysten, B; Vanlancker, G; Yunus, S | 1 |
| Dong, YD; Han, BS; Huang, F; Kuang, J; Peng, CH; Wu, XB; Yu, SL | 1 |
| Haldar, C; Katiyar, D; Lall, AM; Singh, B | 1 |
| Aly, HF; Nada, SA; Omara, EA | 1 |
| Chen, YP; Lian, HT; Liu, B; Sun, XY | 1 |
| Kim, SK; Kwon, CH; Lee, DH; Lee, JH; Lee, SK; Park, JK | 1 |
| Bernkop-Schnürch, A; Hintzen, F; Laffleur, F; Sarti, F; Shahnaz, G | 1 |
| Gonçalves, IC; Martins, MC; Nogueira, F | 1 |
| Campbell, C; Dwivedi, P; Garg, NK; Tyagi, RK | 1 |
| Chen, C; Hu, S; Qiu, X; Ren, X; Tao, S | 1 |
| Durkut, S; Elçin, AE; Elçin, YM | 1 |
| Jia, J; Li, Z; Liu, H; Song, Y; Tan, H; Wang, L; Xu, F; Zhang, L | 1 |
| Chen, X; Cheung, YC; Siu, KC; Wu, JY | 1 |
| Fujita, Y; Kanno, K; Kojima, K; Kubo, Y; Nakata, K; Ohnaka, N; Shimohara, M; Tanigawa, T; Yoshida, K | 1 |
| Guan, Y; Han, Q; Li, C; Zhang, Y | 1 |
| Okamoto, Y; Shen, J; Zhang, L; Zuo, W | 1 |
| Choon, DS; Ibrahim, NS; Kamarul, T; Krishnamurithy, G; Raghavendran, HR; Salih, ND; Suhaeb, AR | 1 |
| Liu, S; Luo, X; Zeng, J; Zhang, L | 1 |
| Dhamodharan, R; Narayanan, A | 1 |
| Wilson, LD; Xue, C | 1 |
| Doğaç, YI; Teke, M | 1 |
| Huan, ML; Jia, YY; Jing, ZW; Kang, TB; Luo, M; Wan, N; Zhang, BL; Zhou, SY | 1 |
| Bai, ZW; Chen, W; Jiang, JZ; Wang, J | 1 |
| Huang, TY; Liu, YJ; Su, WT | 1 |
| Bai, ZW; Chen, W; Huang, SH; Wang, J | 1 |
| Araújo, BR; Doumer, ME; Mangrich, AS; Romão, LPC | 1 |
| Bouyer, D; Faur, C; Méricq, JP; Soussan, L; Wlodarczyk, D | 1 |
| Dong, F; Guo, Z; Li, Q; Song, Y; Tan, W; Zhang, J; Zhang, Z | 1 |
| Liang, X; Lu, A; Lu, Y; Wang, X; Xia, H; Xu, Q; Zhang, L; Zhang, Y | 1 |
| Jia, YY; Jing, ZW; Li, C; Luo, M; Mei, QB; Zhang, BL; Zhou, SY | 2 |
| Bai, ZW; Chen, W; Huang, SH; Mei, X; Tang, S | 1 |
| Hasanzade, Z; Raissi, H | 1 |
| Bi, S; Chen, X; Cheng, X; Feng, C; Hu, S; Kong, M; Liu, Y; Zhou, Z | 1 |
| Chen, Y; Dong, F; Guo, Z; Li, Q; Mi, Y; Sun, X; Tan, W; Wei, L; Zhang, J | 1 |
| Cai, Y; Cao, J; Xu, C; Zhou, J | 1 |
| Kawasaki, S; Nakashima, K; Nawarathna, THK | 1 |
| Borges, JP; Botelho do Rego, AM; Carvalho Silva, J; Henriques, C; Vieira, T | 1 |
| Huang, Y; Shao, Y; Zhu, Y | 1 |
| Bi, S; Chen, X; Cheng, X; Hu, S; Huang, L; Li, S; Pang, J; Sun, G; Wang, P; Xing, S; Zhou, Z | 1 |
| Abathodharanan, N; Govindaraj, P; Raghavachari, D; Ravishankar, K | 1 |
| Jain, P; Li, H; Li, X; Mergel, O; Peng, H; Pich, A; Plamper, FA; Rahimi, K; Singh, S | 1 |
| Bi, S; Chen, X; Feng, C; Huang, L; Pang, J; Sun, M | 1 |
| Bradić, B; Likozar, B; Novak, U; Vicente, FA | 1 |
| Bi, S; Chen, X; Cheng, X; Huang, L; Qin, D; Wang, M | 1 |
| Deveci, İ; İspirli Doğaç, Y; Kutlu, N; Teke, M | 1 |
| Kolsuz Ozcetin, H; Surmelioglu, D | 1 |
| Bhuvanachandra, B; Nadendla, SR; Podile, AR; Sivaramakrishna, D | 1 |
| Lusiana, RA; Martoprawiro, MA; Prasasty, VD; Sasongko, NA; Siahaan, P | 1 |
| Hosseini, SF; Rezaei, M; Soofi, M | 1 |
| Yang, FQ; Zhang, H | 1 |
| Cai, J; Huang, J; Xu, H; Zhang, X; Zhong, Y; Zhu, C | 1 |
| Antonov, YA; Berezin, BB; Bezrodnykh, EA; Kulikov, SN; Tikhonov, VE | 1 |
| Lei, Y; Tang, X; Wang, C; Wang, J; Wang, Z; Yu, C | 1 |
| Abdel-Gawad, OF; Arafa, EG; Elzanaty, AM; Kamel, EM; Mahmoud, AM; Mohamed, RR; Sabaa, MW | 1 |
| Guo, Z; Li, Q; Liu, X; Tan, W; Wang, L; Zhang, J | 1 |
| Huang, D; Lu, Z; Zhang, Y; Zhou, X; Zou, L | 1 |
| Baldo, TA; Feitosa, MHA; Moraes, FC; Proença, CA; Santos, AM; Sotomayor, MDPT; Wong, A | 1 |
| Abdel-Rahman, AA; Guibal, E; Hamza, MF; Khalafalla, MS; Salem, M; Wei, Y; Yin, X | 1 |
| Cheng, WC; Lv, XJ; Wang, L; Xue, ZF; Zhang, B | 1 |
| Al-Salmi, FA; Alfaifi, MY; Alqahtani, LS; Altalhi, SA; Elbehairi, SEI; Elshaarawy, RFM; Fayad, E; Nasr, AM; Shati, AA | 1 |
| Chai, Y; Faqir, Y; Hu, S; Jakhar, AM; Kalhoro, MT; Liao, S; Liu, S; Luo, J; Luo, T; Ma, J; Sajid, S; Tan, C; Umer, N | 1 |
1 trial(s) available for urea and chitosan
| Article | Year |
|---|---|
Effect of chitosan on renal function in patients with chronic renal failure.
Topics: Administration, Oral; Adult; Aged; Anticholesteremic Agents; Chitin; Chitosan; Creatinine; Electrolytes; Female; Hemoglobins; Hemostatics; Humans; Kidney Failure, Chronic; Lipids; Male; Middle Aged; Renal Dialysis; Tablets; Treatment Outcome; Urea; Uremia | 1997 |
80 other study(ies) available for urea and chitosan
| Article | Year |
|---|---|
Development of urease-chitosan membrane.
Topics: Animals; Chitin; Chitosan; Crustacea; Enzymes, Immobilized; Glutaral; Humans; In Vitro Techniques; Kidneys, Artificial; Membranes, Artificial; Renal Dialysis; Solutions; Urea; Urease; Uremia | 1990 |
[Pharmacological properties of chitosan-coated dialdehyde cellulose (chitosan DAC), a newly developed oral adsorbent (I). Effect of chitosan DAC in normal rats].
Topics: Administration, Oral; Adsorption; Ammonia; Animals; Blood Urea Nitrogen; Cellulose; Chemistry, Pharmaceutical; Chitin; Chitosan; Dose-Response Relationship, Drug; Electrolytes; Feces; Male; Nitrogen; Rats; Rats, Wistar; Urea | 1995 |
[Pharmacological properties of chitosan-coated dialdehyde cellulose (chitosan DAC), a newly developed oral adsorbent (II). Effect of chitosan DAC on rats with chronic renal failure induced by adriamycin].
Topics: Administration, Oral; Adsorption; Ammonia; Animals; Cellulose; Chemistry, Pharmaceutical; Chitin; Chitosan; Doxorubicin; Humans; Kidney Failure, Chronic; Male; Rats; Rats, Inbred Lew; Urea | 1995 |
Chitin-based poly(urea-urethane)s.
Topics: Chitin; Chitosan; Cyanates; Isocyanates; Polyurethanes; Solubility; Urea | 1994 |
Performance of plasma-perfused, microencapsulated hepatocytes: prospects for extracorporeal liver support.
Topics: Albumins; Animals; Antipyrine; Carboxymethylcellulose Sodium; Cells, Cultured; Chitin; Chitosan; Chondroitin Sulfates; Culture Media; Drug Compounding; Extracorporeal Circulation; Feasibility Studies; Hemostatics; Heparin; Humans; Liver; Liver Failure, Acute; Male; Pectins; Plasma; Rabbits; Time Factors; Transferrin; Urea | 1993 |
Effect of molecular weight and urea on the conformation of chitosan molecules in dilute solutions.
Topics: Carbohydrate Conformation; Chitin; Chitosan; Molecular Weight; Osmolar Concentration; Solutions; Urea; Viscosity | 1997 |
[Changes in the level of selected laboratory parameters in blood after implantation of chitosan fibers].
Topics: Alanine Transaminase; Animals; Aspartate Aminotransferases; Biocompatible Materials; Blood Coagulation; Blood Glucose; Blood Physiological Phenomena; Blood Proteins; Calcium; Chitin; Chitosan; Creatinine; Leukocyte Count; Magnesium; Potassium; Prostheses and Implants; Rats; Sodium; Urea | 1997 |
Effectiveness of fructose-modified chitosan as a scaffold for hepatocyte attachment.
Topics: Animals; Biocompatible Materials; Cell Adhesion; Cells, Cultured; Chitin; Chitosan; Fructose; Gels; In Vitro Techniques; L-Lactate Dehydrogenase; Lidocaine; Liver; Male; Microscopy, Electron; Rats; Rats, Sprague-Dawley; Urea | 1997 |
Hepatocyte attachment on biodegradable modified chitosan membranes: in vitro evaluation for the development of liver organoids.
Topics: Albumins; Animals; Biocompatible Materials; Biodegradation, Environmental; Biopolymers; Cell Adhesion; Cell Count; Cell Differentiation; Cell Survival; Chitin; Chitosan; Collagen; Gelatin; Liver; Male; Membranes, Artificial; Molecular Weight; Morphogenesis; Organoids; Proteins; Rats; Rats, Wistar; Surface Properties; Swine; Urea | 1998 |
Porous calcium phosphate coating over phosphorylated chitosan film by a biomimetic method.
Topics: Absorptiometry, Photon; Calcium Phosphates; Chitin; Chitosan; Coated Materials, Biocompatible; Indicators and Reagents; Microscopy, Electron, Scanning; Phosphates; Phosphorylation; Spectroscopy, Fourier Transform Infrared; Urea; X-Ray Diffraction | 1999 |
Culture of hepatocytes on fructose-modified chitosan scaffolds.
Topics: Albumins; Animals; Biocompatible Materials; Cell Adhesion; Cell Aggregation; Cell Culture Techniques; Cell Division; Cells, Cultured; Chitin; Chitosan; Culture Techniques; Fructose; Hepatocytes; Male; Rats; Rats, Inbred WF; Urea | 2003 |
Preparation and characterization of a collagen/chitosan/heparin matrix for an implantable bioartificial liver.
Topics: Animals; Blood; Chitosan; Collagen; Gels; Heparin; Hepatocytes; Liver, Artificial; Male; Materials Testing; Porosity; Rats; Tissue Engineering; Triglycerides; Urea | 2005 |
Fabrication and characterization of chitosan microcarrier for hepatocyte culture.
Topics: Albumins; Animals; Cell Culture Techniques; Cells, Cultured; Chitosan; Drug Carriers; Hepatocytes; Lactose; Male; Maltose; Materials Testing; Microspheres; Porosity; Rats; Rats, Wistar; Urea | 2007 |
Multilayer composite scaffolds with mechanical properties similar to small intestinal submucosa.
Topics: Animals; Cell Adhesion; Cells, Cultured; Chitosan; Diffusion; Intestinal Mucosa; Intestine, Small; Lactic Acid; Matrix Metalloproteinase 2; Matrix Metalloproteinase 9; Mice; Microscopy, Electron, Scanning; Polyglycolic Acid; Polylactic Acid-Polyglycolic Acid Copolymer; Porosity; Stress, Mechanical; Tensile Strength; Urea | 2009 |
Chitosan nanofiber scaffold enhances hepatocyte adhesion and function.
Topics: Bioreactors; Cell Adhesion; Cell Culture Techniques; Cell Survival; Chitosan; Cytochrome P-450 Enzyme System; Glycogen; Hepatocytes; Nanostructures; Serum Albumin; Urea | 2009 |
Chitosan-LiOH-urea aqueous solution--a novel water-based system for chitosan processing.
Topics: Chitosan; Lithium Compounds; Magnetic Resonance Spectroscopy; Urea; Viscosity | 2009 |
Microfluidic synthesis of pure chitosan microfibers for bio-artificial liver chip.
Topics: Albumins; Animals; Biomechanical Phenomena; Cell Line; Chitosan; Diffusion; Dimethylpolysiloxanes; Fluorescence Recovery After Photobleaching; Humans; Liver; Liver, Artificial; Materials Testing; Microfluidics; Microscopy, Fluorescence; Tissue Engineering; Tissue Scaffolds; Urea | 2010 |
Immobilization of urease on nanostructured polymer membrane and preparation of urea amperometric biosensor.
Topics: Biosensing Techniques; Chitosan; Electrochemistry; Enzymes, Immobilized; Membranes, Artificial; Microscopy, Electron, Scanning; Nanostructures; Rhodium; Urea; Urease | 2011 |
Urea potentiometric enzymatic biosensor based on charged biopolymers and electrodeposited polyaniline.
Topics: Aniline Compounds; Biopolymers; Biosensing Techniques; Chitosan; Electrochemical Techniques; Enzyme Stability; Enzymes, Immobilized; Glucans; Humans; Potentiometry; Sensitivity and Specificity; Urea; Urease | 2011 |
Preparation and characterization of chitosan porous microcarriers for hepatocyte culture.
Topics: Albumins; Cell Culture Techniques; Cell Line; Cell Proliferation; Cell Shape; Chitosan; Gelatin; Hepatocytes; Humans; Liver, Artificial; Particle Size; Porosity; Time Factors; Tissue Engineering; Urea | 2011 |
Efficacy of chitooligosaccharides for the management of diabetes in alloxan induced mice: a correlative study with antihyperlipidemic and antioxidative activity.
Topics: Alanine Transaminase; Animals; Antioxidants; Aspartate Aminotransferases; Blood Glucose; Body Weight; Catalase; Chitin; Chitosan; Cholesterol; Creatinine; Diabetes Mellitus, Experimental; Glycogen; Hypolipidemic Agents; Lipoproteins; Liver; Male; Mice; Mice, Inbred Strains; Oligosaccharides; Papain; Spectroscopy, Fourier Transform Infrared; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Triglycerides; Urea | 2011 |
Chitosan induced hepato-nephrotoxicity in mice with special reference to gender effect in glycolytic enzymes activities.
Topics: Alanine Transaminase; Alkaline Phosphatase; Animals; Aspartate Aminotransferases; Chitosan; Creatinine; Female; Glycogen; Kidney; Lipids; Liver; Male; Mice; Sex Factors; Urea | 2012 |
A urea electrochemical sensor based on molecularly imprinted chitosan film doping with CdS quantum dots.
Topics: Adsorption; Cadmium Compounds; Chitosan; Electrochemical Techniques; Gold; Humans; Molecular Imprinting; Quantum Dots; Sulfides; Urea | 2012 |
Effect of fulminant hepatic failure porcine plasma supplemented with essential components on encapsulated rat hepatocyte spheroids.
Topics: Albumins; Alginates; Animals; Bioreactors; Cell Survival; Cells, Immobilized; Chitosan; Culture Media; Disease Models, Animal; Glucuronic Acid; Hepatocytes; Hexuronic Acids; Humans; Liver Failure, Acute; Liver, Artificial; Male; Plasma; Rats; Rats, Sprague-Dawley; Spheroids, Cellular; Swine; Time Factors; Urea | 2012 |
Thiomers: influence of molar mass on in situ gelling properties.
Topics: Carbamide Peroxide; Chitosan; Cysteine; Gels; Molecular Weight; Pectins; Peroxides; Thioglycolates; Urea; Viscosity | 2012 |
Effect of gastric environment on Helicobacter pylori adhesion to a mucoadhesive polymer.
Topics: Adhesiveness; Bacterial Adhesion; Buffers; Chitosan; Helicobacter pylori; Hydrogen-Ion Concentration; Microbial Viability; Mucus; Pepsin A; Spectroscopy, Fourier Transform Infrared; Stomach; Urea | 2013 |
Site specific/targeted delivery of gemcitabine through anisamide anchored chitosan/poly ethylene glycol nanoparticles: an improved understanding of lung cancer therapeutic intervention.
Topics: Alanine Transaminase; Alkaline Phosphatase; Animals; Antimetabolites, Antineoplastic; Aspartate Aminotransferases; Benzamides; Cell Line, Tumor; Chitosan; Deoxycytidine; Drug Carriers; Female; Gemcitabine; Humans; Mice; Mice, Inbred BALB C; Nanoparticles; Neoplasms; Polyethylene Glycols; Tissue Distribution; Urea | 2012 |
Long-alkane-chain modified N-phthaloyl chitosan membranes with controlled permeability.
Topics: Alkanes; Animals; Chitosan; Hydrophobic and Hydrophilic Interactions; Mechanical Phenomena; Membranes, Artificial; Permeability; Solubility; Solvents; Surface Properties; Urea | 2013 |
In vitro evaluation of encapsulated primary rat hepatocytes pre- and post-cryopreservation at -80°C and in liquid nitrogen.
Topics: Albumins; Alginates; Animals; Capsules; Cell Survival; Cells, Immobilized; Chitosan; Cryopreservation; Cytochrome P-450 Enzyme System; Freezing; Glucuronic Acid; Hepatocytes; Hexuronic Acids; Liver, Artificial; Male; Nitrogen; Oxidative Phosphorylation; Primary Cell Culture; Rats; Rats, Wistar; Urea | 2015 |
pH-switchable electrochemical sensing platform based on chitosan-reduced graphene oxide/concanavalin a layer for assay of glucose and urea.
Topics: Biosensing Techniques; Chitosan; Concanavalin A; Electrochemical Techniques; Glucose; Graphite; Humans; Hydrogen-Ion Concentration; Oxides; Urea | 2014 |
Structure and properties of a (1→3)-β-D-glucan from ultrasound-degraded exopolysaccharides of a medicinal fungus.
Topics: Absorption, Physicochemical; beta-Glucans; Carbohydrate Conformation; Chitosan; Chromatography, Gel; Cordyceps; Fermentation; Methylation; Molecular Weight; Mycelium; Nuclear Magnetic Resonance, Biomolecular; Polysaccharides; Solubility; Sonication; Urea; Viscosity | 2014 |
Adsorbents for apheresis prepared from polysaccharides of algae that threaten ecosystem services.
Topics: Adsorption; Albumins; Alginates; Blood Component Removal; Chitosan; Glucuronic Acid; Hexuronic Acids; Hydrogels; Metals, Heavy; Molecular Weight; Polysaccharides; Spectroscopy, Fourier Transform Infrared; Ulva; Urea | 2014 |
Thermal gelation of chitosan in an aqueous alkali-urea solution.
Topics: Alkalies; Chitosan; Gels; Transition Temperature; Urea; Water | 2014 |
Synthesis of chitosan 3,6-diphenylcarbamate-2-urea derivatives and their applications as chiral stationary phases for high-performance liquid chromatography.
Topics: Chitosan; Chromatography, High Pressure Liquid; Phenylcarbamates; Silica Gel; Stereoisomerism; Structure-Activity Relationship; Urea | 2014 |
Biocompatibility and toxicity of poly(vinyl alcohol)/N,O-carboxymethyl chitosan scaffold.
Topics: Alkaline Phosphatase; Amnion; Animals; Antigens, CD; Antigens, Differentiation, Myelomonocytic; Biocompatible Materials; Blood Cell Count; Chitosan; Female; gamma-Glutamyltransferase; Humans; Hydrogels; Immunohistochemistry; Implants, Experimental; Male; Polyvinyl Alcohol; Potassium; Rats, Sprague-Dawley; Skin; Skin Transplantation; Subcutaneous Tissue; Time Factors; Tissue Engineering; Tissue Scaffolds; Transplantation, Heterologous; Urea | 2014 |
An effective and recyclable adsorbent for the removal of heavy metal ions from aqueous system: Magnetic chitosan/cellulose microspheres.
Topics: Adsorption; Biocompatible Materials; Cadmium; Cellulose; Chitosan; Copper; Ferric Compounds; Hydrogen-Ion Concentration; Kinetics; Lead; Magnetics; Metals, Heavy; Microspheres; Nanoparticles; Sodium Hydroxide; Static Electricity; Temperature; Urea; Water; Water Pollutants, Chemical; Water Purification | 2015 |
Super water-absorbing new material from chitosan, EDTA and urea.
Topics: Agriculture; Chitosan; Delayed-Action Preparations; Edetic Acid; Hydrogel, Polyethylene Glycol Dimethacrylate; Urea; Water | 2015 |
Kinetic study on urea uptake with chitosan based sorbent materials.
Topics: Adsorption; Chitosan; Cross-Linking Reagents; Glutaral; Kinetics; Urea | 2016 |
Synthesis and Characterisation of Biocompatible Polymer-Conjugated Magnetic Beads for Enhancement Stability of Urease.
Topics: Biopolymers; Chitosan; Enzyme Stability; Enzymes, Immobilized; Kinetics; Magnetic Phenomena; Temperature; Urea; Urease | 2016 |
Design and evaluation of novel pH-sensitive ureido-conjugated chitosan/TPP nanoparticles targeted to Helicobacter pylori.
Topics: Amoxicillin; Chitosan; Drug Liberation; Flow Cytometry; HEK293 Cells; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Microscopy, Confocal; Nanoparticles; Polyphosphates; Urea | 2016 |
Synthesis and characterization of chitosan alkyl urea.
Topics: Amines; Chitosan; Formates; Urea | 2016 |
Nanofibers promote HepG2 aggregate formation and cellular function.
Topics: Albumins; Artificial Organs; Cell Aggregation; Cell Survival; Chitosan; Culture Media; Hep G2 Cells; Humans; Liver; Nanofibers; Particle Size; Polyesters; Spheroids, Cellular; Urea | 2016 |
Eluent Tolerance and Enantioseparation Recovery of Chiral Packing Materials Based on Chitosan Bis(Phenylcarbamate)-(n-Octyl Urea)s for High Performance Liquid Chromatography.
Topics: Chitosan; Chromatography, High Pressure Liquid; Molecular Structure; Phenylcarbamates; Stereoisomerism; Urea | 2016 |
Evaluation of the interactions between chitosan and humics in media for the controlled release of nitrogen fertilizer.
Topics: Chitosan; Delayed-Action Preparations; Fertilizers; Humic Substances; Hydrogen-Ion Concentration; Microscopy, Electron, Scanning; Nitrogen; Soil; Spectroscopy, Fourier Transform Infrared; Urea | 2017 |
Enzymatic gelation to prepare chitosan gels: Study of gelation kinetics and identification of limiting parameters for controlled gel morphology.
Topics: Ammonia; Chitosan; Colorimetry; Gels; Hydrogen-Ion Concentration; Kinetics; Rheology; Solubility; Temperature; Urea; Urease; Water | 2018 |
Synthesis, characterization, and the antifungal activity of chitosan derivatives containing urea groups.
Topics: Antifungal Agents; Chemistry Techniques, Synthetic; Chitosan; Magnetic Resonance Spectroscopy; Microbial Sensitivity Tests; Solubility; Spectroscopy, Fourier Transform Infrared; Structure-Activity Relationship; Urea | 2018 |
Rubbery Chitosan/Carrageenan Hydrogels Constructed through an Electroneutrality System and Their Potential Application as Cartilage Scaffolds.
Topics: Alkalies; Animals; Carrageenan; Cell Adhesion; Cell Differentiation; Cell Line, Tumor; Cell Proliferation; Chitosan; Chondrocytes; Cross-Linking Reagents; Epichlorohydrin; Hydrogels; Mice; Porosity; Rabbits; Tissue Scaffolds; Urea | 2018 |
Construction and optimization of pH-sensitive nanoparticle delivery system containing PLGA and UCCs-2 for targeted treatment of Helicobacter pylori.
Topics: Amoxicillin; Animals; Cell Death; Chitosan; Drug Delivery Systems; Drug Liberation; HEK293 Cells; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Lactic Acid; Male; Mice, Inbred BALB C; Nanoparticles; Particle Size; Polyglycolic Acid; Polylactic Acid-Polyglycolic Acid Copolymer; Stomach; Urea | 2018 |
Anti-Helicobacterpylori effectiveness and targeted delivery performance of amoxicillin-UCCs-2/TPP nanoparticles based on ureido-modified chitosan derivative.
Topics: Amoxicillin; Animals; Anti-Bacterial Agents; Biological Transport; Chitosan; Cytokines; Drug Carriers; Gastric Mucosa; Helicobacter Infections; Helicobacter pylori; Hydrogen-Ion Concentration; Male; Mice; Mice, Inbred BALB C; Nanoparticles; Polyphosphates; Stomach; Structure-Activity Relationship; Urea | 2018 |
A high-performance chiral selector derived from chitosan (p-methylbenzylurea) for efficient enantiomer separation.
Topics: Chitosan; Molecular Structure; Stereoisomerism; Urea | 2018 |
Assessment of the chitosan-functionalized graphene oxide as a carrier for loading thioguanine, an antitumor drug and effect of urea on adsorption process: Combination of DFT computational and molecular dynamics simulation studies.
Topics: Adsorption; Algorithms; Antineoplastic Agents; Chitosan; Density Functional Theory; Graphite; Hydrogen Bonding; Models, Chemical; Molecular Conformation; Molecular Dynamics Simulation; Nanostructures; Structure-Activity Relationship; Thioguanine; Urea | 2019 |
The green and stable dissolving system based on KOH/urea for homogeneous chemical modification of chitosan.
Topics: Chitosan; Hydrogen Bonding; Hydroxides; Hydroxyl Radical; Magnetic Resonance Spectroscopy; Potassium Compounds; Rheology; Solvents; Spectroscopy, Fourier Transform Infrared; Urea; Viscosity; Water | 2018 |
Synthesis of urea-functionalized chitosan derivatives for potential antifungal and antioxidant applications.
Topics: Animals; Antifungal Agents; Antioxidants; Cell Line, Tumor; Chitosan; Cytotoxins; Mice; Urea | 2019 |
Thermo-responsive behaviors and bioactivities of hydroxybutyl chitosans prepared in alkali/urea aqueous solutions.
Topics: Anti-Bacterial Agents; Cell Proliferation; Chitosan; Cytotoxins; Escherichia coli; HEK293 Cells; HeLa Cells; Humans; Hydroxides; Lithium Compounds; Potassium Compounds; Solubility; Staphylococcus aureus; Temperature; Urea | 2019 |
Chitosan enhances calcium carbonate precipitation and solidification mediated by bacteria.
Topics: Calcium Carbonate; Chemical Precipitation; Chitosan; Hydrolysis; Rhodobacteraceae; Urea | 2019 |
Electrospun biodegradable chitosan based-poly(urethane urea) scaffolds for soft tissue engineering.
Topics: Calorimetry, Differential Scanning; Cell Adhesion; Cell Proliferation; Chitosan; Dimethylformamide; Fibroblasts; Furans; Humans; Hydroxy Acids; Materials Testing; Photoelectron Spectroscopy; Polyurethanes; Propionates; Solvents; Tissue Engineering; Tissue Scaffolds; Urea; X-Ray Diffraction | 2019 |
Sustained reactive oxygen species generation from percarbamide nanomedicine via a mechanism of X-Ray-initiated free radical chain reactions.
Topics: Antineoplastic Agents; Cell Line, Tumor; Cell Survival; Chitosan; Free Radicals; Humans; Hydrogen Peroxide; Nanomedicine; Nanoparticles; Oxygen; Porosity; Reactive Oxygen Species; Silicon Dioxide; Surface Properties; Urea; X-Rays | 2019 |
Construction of physical-crosslink chitosan/PVA double-network hydrogel with surface mineralization for bone repair.
Topics: Adsorption; Animals; Bone and Bones; Cell Adhesion; Cell Differentiation; Chitosan; Compressive Strength; Hydrogels; Hydroxides; Minerals; Osteogenesis; Polyvinyl Alcohol; Potassium Compounds; Rabbits; Serum Albumin, Bovine; Surface Properties; Tensile Strength; Tissue Engineering; Urea | 2019 |
Facile preparation of biocompatible macroporous chitosan hydrogel by hydrothermal reaction of a mixture of chitosan-succinic acid-urea.
Topics: 3T3-L1 Cells; Animals; Biocompatible Materials; Cell Survival; Chitosan; Cross-Linking Reagents; Hydrogels; Magnetic Resonance Spectroscopy; Mice; Porosity; Rheology; Spectroscopy, Fourier Transform Infrared; Temperature; Thermogravimetry; Urea; Viscosity; Water; X-Ray Diffraction; X-Ray Microtomography | 2019 |
Electroactive and degradable supramolecular microgels.
Topics: Animals; Antibiotics, Antineoplastic; Chitosan; Doxorubicin; Drug Carriers; Electrochemical Techniques; Fibroblasts; Hydrogen Bonding; Hydroquinones; Mice; Microgels; Muramidase; Polymers; Urea | 2019 |
Preparation and characterization of chitosan from crab shell (Portunus trituberculatus) by NaOH/urea solution freeze-thaw pretreatment procedure.
Topics: Animals; Brachyura; Chitosan; Freezing; Sodium Hydroxide; Urea | 2020 |
α-Chitin dissolution, N-deacetylation and valorization in deep eutectic solvents.
Topics: Chitin; Chitosan; Choline; Glycerol; Hydrogen Bonding; Oxalic Acid; Solvents; Spectroscopy, Fourier Transform Infrared; Temperature; Urea | 2020 |
Evaluation of structure transformation and biocompatibility of chitosan in alkali/urea dissolution system for its large-scale application.
Topics: Alkalies; Biocompatible Materials; Chitosan; Green Chemistry Technology; Hydrogen-Ion Concentration; Molecular Structure; Solubility; Urea; Viscosity | 2020 |
Urease immobilized electrospun PVA/chitosan nanofibers with improved stability and reusability characteristics: an application for removal of urea from artificial blood serum.
Topics: Blood Substitutes; Chitosan; Enzymes, Immobilized; Hydrolysis; Kinetics; Nanofibers; Polyvinyl Alcohol; Urea; Urease | 2020 |
Effects of bleaching gel containing TiO
Topics: Animals; Cattle; Chitosan; Color; Hardness; Humans; Hydrogen Peroxide; Surface Properties; Titanium; Tooth Bleaching; Tooth Bleaching Agents; Urea | 2020 |
Efficient conversion of α-chitin by multi-modular chitinase from Chitiniphilus shinanonensis with KOH and KOH-urea pretreatment.
Topics: Betaproteobacteria; Chitin; Chitinases; Chitosan; Hydrolysis; Hydroxides; Oligosaccharides; Potassium Compounds; Substrate Specificity; Urea | 2020 |
The validation of molecular interaction among dimer chitosan with urea and creatinine using density functional theory: In application for hemodyalisis membrane.
Topics: Chitosan; Computational Chemistry; Creatinine; Electrons; Hydrogen Bonding; Membranes; Models, Molecular; Renal Dialysis; Urea | 2021 |
Enhanced physicochemical stability of ω-3 PUFAs concentrates-loaded nanoliposomes decorated by chitosan/gelatin blend coatings.
Topics: Chitosan; Chromatography, Gas; Drug Stability; Fatty Acids, Omega-3; Fish Oils; Gelatin; Liposomes; Nanostructures; Oxidation-Reduction; Particle Size; Transition Temperature; Urea | 2021 |
Equipment-free quantitative determination of urea based on paper-based sensor via urease-mediated chitosan viscosity change.
Topics: Biosensing Techniques; Chitosan; Urea; Urease; Viscosity | 2021 |
Continuous Pilot-Scale Wet-Spinning of Biocompatible Chitin/Chitosan Multifilaments from an Aqueous KOH/Urea Solution.
Topics: Bandages; Biocompatible Materials; Chitin; Chitosan; Humans; Urea; Water | 2021 |
Molecular features of the interaction and antimicrobial activity of chitosan in a solution containing sodium dodecyl sulfate.
Topics: Anti-Bacterial Agents; Bacteria; Chitosan; Colloids; Emulsions; Hydrogen Bonding; Hydrophobic and Hydrophilic Interactions; Microbial Sensitivity Tests; Osmolar Concentration; Sodium Dodecyl Sulfate; Static Electricity; Temperature; Urea | 2021 |
A novel chitosan-urea encapsulated material for persulfate slow-release to degrade organic pollutants.
Topics: Chitosan; Environmental Pollutants; Oxidation-Reduction; Sulfates; Urea; Water Pollutants, Chemical | 2022 |
Eco-friendly and biodegradable sodium alginate/quaternized chitosan hydrogel for controlled release of urea and its antimicrobial activity.
Topics: Alginates; Anti-Infective Agents; Chitosan; Delayed-Action Preparations; Hydrogels; Molecular Docking Simulation; Urea | 2022 |
Preparation and antioxidant activity of novel chitosan oligosaccharide quinolinyl urea derivatives.
Topics: Aminoquinolines; Antioxidants; Chitosan; Hydroxyl Radical; Oligosaccharides; Pharmaceutical Preparations; Spectroscopy, Fourier Transform Infrared; Superoxides; Urea | 2022 |
High strength chitosan hydrogels prepared from NaOH/urea aqueous solutions: the role of thermal gelling.
Topics: Chitosan; Hydrogels; Sodium Hydroxide; Solvents; Urea; Water | 2022 |
Voltammetric Determination of 3-Methylmorphine Using Glassy Carbon Electrode Modified with rGO and Bismuth Film.
Topics: Acetaminophen; Ascorbic Acid; Bismuth; Caffeine; Carbon; Cellulose; Chitosan; Electrochemical Techniques; Electrodes; Graphite; Humic Substances; Limit of Detection; Povidone; Silicon Dioxide; Urea; Water | 2022 |
Enhancement of Cerium Sorption onto Urea-Functionalized Magnetite Chitosan Microparticles by Sorbent Sulfonation-Application to Ore Leachate.
Topics: Adsorption; Cerium; Chitosan; Ferric Compounds; Ferrosoferric Oxide; Hydrogen-Ion Concentration; Kinetics; Urea | 2022 |
Immobilizing of lead and copper using chitosan-assisted enzyme-induced carbonate precipitation.
Topics: Calcium Carbonate; Carbonates; Chitosan; Copper; Metals, Heavy; Urea; Urease | 2023 |
Therapeutic potential and protection enhancement of mesenchymal stem cell against cisplatin-induced nephrotoxicity using hyaluronic acid-chitosan nanoparticles as an adjuvant.
Topics: Adjuvants, Immunologic; Animals; Antioxidants; Apoptosis; Caspase 3; Chitosan; Cisplatin; Hyaluronic Acid; Interleukin-6; Kidney; Mesenchymal Stem Cells; Oxidative Stress; Rats; Urea | 2023 |
Chitosan microspheres-based controlled-release nitrogen fertilizers improve the biological characteristics of Brassica rapa ssp. pekinensis and the soil.
Topics: Brassica rapa; Chitosan; Delayed-Action Preparations; Fertilizers; Microspheres; Nitrogen; Soil; Urea | 2023 |