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Full-Text Articles in Medicine and Health Sciences

Hormonal Profile And Agnor Values In Pituitary Adenomas, Sema Hücümenoğlu, Handan Kaya, Esi̇n Koti̇loğlu, Gülben Erdem, Evri̇m Demi̇ray, Gülsün Eki̇ci̇oğlu Jan 2001

Hormonal Profile And Agnor Values In Pituitary Adenomas, Sema Hücümenoğlu, Handan Kaya, Esi̇n Koti̇loğlu, Gülben Erdem, Evri̇m Demi̇ray, Gülsün Eki̇ci̇oğlu

Turkish Journal of Medical Sciences

Nucleolar organizer regions (NORs) are chromosomal segments in which ribosomal RNA is encoded. The AgNOR technique, which reveals these regions, has rarely been used in diagnosis and preceding the prognosis of pituitary adenoma. The purpose of this study was to evaluate the correlation of hormonal profile with the AgNOR counts, and the correlation of recurrence with the AgNOR counts and to determine the concordance between the evaluations of two different observers. This study included 33 patients wıth pituitary adenoma. The slides were stained with hematoxylin and eosin, silver colloid method for NORs and immunohistochemistry for the hormone expressions. Consistency was …


Lung Carbon Dioxide Elimination Corralates With Physiologic Dead Space Volume During Mechanical Ventilatory Support, Murat Sungur, Muhammed Güven Jan 2001

Lung Carbon Dioxide Elimination Corralates With Physiologic Dead Space Volume During Mechanical Ventilatory Support, Murat Sungur, Muhammed Güven

Turkish Journal of Medical Sciences

Increased mean airway pressure (Paw) predisposes to increased alveolar dead space volume and, hence, physiologic dead space volume (V{Dphys}. This is the result of overdistending alveoli, converting Zone 2 and Zone 3 units to Zone 1 units. Lung carbon dioxide elimination (LCO_2) is a reflection of pulmonary capillary blood flow. It is hypothesized that as Zone 1 units form or V{Dphys} increases, LCO_2 decreases proportionately and eventually PaCO_2 increases. The purpose of this study is to determine if LCO_2 correlates with V{Dphys} during mechanical ventilation. Six sheep (66.3 ± 6.5 kg), anesthetized with sodium thiopental and paralyzed using pancronium, had …


Relationship Between Psychopathology And Regional Cerebral Blood Flow Detected By Tc-99m Hmpao Spect In Patients With Predominantly Positive Or Negative Schizophrenic Symptoms, Nazan Aydin, Erhan Varoğlu, Mehmet Dumlu Aydin, Hati̇ce Uslu, Ali̇ Çayköylü Jan 2001

Relationship Between Psychopathology And Regional Cerebral Blood Flow Detected By Tc-99m Hmpao Spect In Patients With Predominantly Positive Or Negative Schizophrenic Symptoms, Nazan Aydin, Erhan Varoğlu, Mehmet Dumlu Aydin, Hati̇ce Uslu, Ali̇ Çayköylü

Turkish Journal of Medical Sciences

We investigated whether rCBF values obtained with the SPECT technique are different in schizophrenics with predominantly positive or negative symptoms and assessed the biological underpinnings of psychotic phenomena, which has been done repeatedly in the past, with somewhat varied results. Twenty-nine schizophrenic patients were examined to investigate the relationship between regional cerebral blood flow (rCBF) and psychopathology according to SANS, SAPS and BPRS scores. Using the Tc-99m HMPAO SPECT method at rest, rCBF was assessed in 15 patients with predominantly positive (group I) and 14 with predominantly negative (group II) symptoms. Ten age-matched normal healthy volunteers comprised the control group. …


Evaluation Of Thyroid Hormones And Goitre In A Rural Community In A Region Of Anatolia, Meti̇n Kilinç, Güneş T. Yüregi̇r, Fi̇kret Ezberci̇, Hasan Ekerbi̇çer, Mehmet Aki̇f Büyükbeşe Jan 2001

Evaluation Of Thyroid Hormones And Goitre In A Rural Community In A Region Of Anatolia, Meti̇n Kilinç, Güneş T. Yüregi̇r, Fi̇kret Ezberci̇, Hasan Ekerbi̇çer, Mehmet Aki̇f Büyükbeşe

Turkish Journal of Medical Sciences

This study was conducted in an endemic goitre area to determine thyroid profiles TSH, freeT4 (fT4), T4, fT3 and T3, as well as the degree of the severity of hypothyroidism and the prevalence of the disease. Tonbak is a small village in Kahramanmaraş. The iodine content of the water is < 1 mg/L. A randomly selected group of 121 subjects aged 16-55 were included in the study. The percentage of goitre was 71.1% upon physical examination. Subjects with primary hypothyroidism were 16.5%. Mean scores of fT4 were 8.9±2.6 pmol/l (range: 2.7-12.9) and mean scores of TSH were 18.1±26.1 mU/ml (range: 4.33-100


Effects Of Cigarette Smoking On Blood Antioxidant Status In Short-Term And Long-Term Smokers, Hüda Di̇ken, Mustafa Kelle, Cemi̇l Tümer, Basra Deni̇z, Yüksel Baylan, Abdurrahman Şermet Jan 2001

Effects Of Cigarette Smoking On Blood Antioxidant Status In Short-Term And Long-Term Smokers, Hüda Di̇ken, Mustafa Kelle, Cemi̇l Tümer, Basra Deni̇z, Yüksel Baylan, Abdurrahman Şermet

Turkish Journal of Medical Sciences

To determine the effects of cigarette smoking on blood antioxidant status and lipid peroxidation, 16 healthy male current smokers (CS) and 16 healthy male non-smokers (NS) serving as controls were studied. CS were divided into two groups: short-term smokers (STS) 35.4 ± 5.8 years of age (mean±SD), and long-term smokers (LTS) 60.9 ± 4.9 years of age. The average smoking period of STS and LTS were 8.1 ± 1.1 years (mean ±SD) and 20.5 ± 4.5 years (mean ± SD)respectively. STS and LTS had their own controls, who were NS (young NS and old NS respectively). When STS and LTS …


Acrodermatitis Enteropathica, Enver Şi̇mşek Jan 2001

Acrodermatitis Enteropathica, Enver Şi̇mşek

Turkish Journal of Medical Sciences

No abstract provided.


Isolated Hydatic Cyst In The Subcutaneous Tissue, Tanju Acar, Ramazan Taçyildiz, Sali̇h Tuncal Jan 2001

Isolated Hydatic Cyst In The Subcutaneous Tissue, Tanju Acar, Ramazan Taçyildiz, Sali̇h Tuncal

Turkish Journal of Medical Sciences

No abstract provided.


Effect Of Mg^{+2} Concentration In Mueller-Hinton Agar On The Susceptibility Of Pseudomonas Aeruginosa To Levofloxacin, Nezahat Akpolat, Tuncer Özeki̇nci̇, Selahatti̇n Atmaca Jan 2001

Effect Of Mg^{+2} Concentration In Mueller-Hinton Agar On The Susceptibility Of Pseudomonas Aeruginosa To Levofloxacin, Nezahat Akpolat, Tuncer Özeki̇nci̇, Selahatti̇n Atmaca

Turkish Journal of Medical Sciences

No abstract provided.


Bilateral Accessory Soleus Muscle, Zeli̇ha Kurtoğlu, M. Haluk Uluutku Jan 2000

Bilateral Accessory Soleus Muscle, Zeli̇ha Kurtoğlu, M. Haluk Uluutku

Turkish Journal of Medical Sciences

No abstract provided.


Inguinal Endometriosis: A Report Of Two Cases And A Review Of The Literature, Ali̇ Kemal Uzunlar, Fahri̇ Yilmaz, Mehmet Yaldiz, Özden Kaya, Mehmet Özaydin Jan 2000

Inguinal Endometriosis: A Report Of Two Cases And A Review Of The Literature, Ali̇ Kemal Uzunlar, Fahri̇ Yilmaz, Mehmet Yaldiz, Özden Kaya, Mehmet Özaydin

Turkish Journal of Medical Sciences

No abstract provided.


Effect Of Melatonin On Hepatic Fibrogenesis, Vitamin C And Hydroxyproline Levels In Liver Of Ethanol-Fed Rats, Bi̇lal Üstündağ, Nadi̇re Çi̇nkilinç, İhsan Hali̇feoğlu, Hali̇t Canatan, İbrahi̇m Hani̇fi̇ Özercan Jan 2000

Effect Of Melatonin On Hepatic Fibrogenesis, Vitamin C And Hydroxyproline Levels In Liver Of Ethanol-Fed Rats, Bi̇lal Üstündağ, Nadi̇re Çi̇nkilinç, İhsan Hali̇feoğlu, Hali̇t Canatan, İbrahi̇m Hani̇fi̇ Özercan

Turkish Journal of Medical Sciences

Pineal-gland-derived melatonin (N- Acetyl 5-Methoxytryptamine), which is a known antioxidant hormone, is known to have inhibitory effects on cell growth and proliferation. Ethanol causes increases in lipid peroxidation, superoxide formation and collagen synthesis resulting in fibrosis in the liver due to alcohol intake. The aim of this study was to examine the effect of exogenously administered melatonin on liver tissue damage resulting from alcohol intake. A total of 30 male wistar albino rats were divided into three groups; Group 1 (control), Group 2 (ethanol-administration), and Group 3 (ethanol +melatonin administration). All the rats were fed with a specially modified diet …


Electrochemical Biosensor Based On Horseradish Peroxidase For The Determination Of Oxidizable Drugs, Arzum Erdem, Aysun Pabuccuoğlu, Burcu Meric, Kagan Kerman, Mehmet Özsöz Jan 2000

Electrochemical Biosensor Based On Horseradish Peroxidase For The Determination Of Oxidizable Drugs, Arzum Erdem, Aysun Pabuccuoğlu, Burcu Meric, Kagan Kerman, Mehmet Özsöz

Turkish Journal of Medical Sciences

An amperometric biosensor based on a carbon paste electrode modified with horseradish peroxidase (HRP) is defined as a device for the quantitative and qualitative detection of oxidizable drugs. This paper demonstrates the advantages of using HRP as the biocatalyst in the in vitro detection of oxidizable drugs in the presence of hydrogen peroxide. Amperometric analysis and batch experiments were carried out in acetate buffer (pH 4.8) in the presence of hydrogen peroxide. Amperometry was performed by applying a potential of -0.1 V (vs. Ag/AgCl), in the presence of hydrogen peroxide and adding a drug which has an oxidizable group (OxG; …


Sertoli Cell Tumor In Two Sibs With Testicular Ferminization Syndrome, İnanç Eli̇f Gürer, Ahmet Ender Demi̇rkiran, Mustafa Şare Jan 2000

Sertoli Cell Tumor In Two Sibs With Testicular Ferminization Syndrome, İnanç Eli̇f Gürer, Ahmet Ender Demi̇rkiran, Mustafa Şare

Turkish Journal of Medical Sciences

No abstract provided.


Disseminated Mycobacterium Fortuitum- Chelonae Complex Infection In A Child With Il-12 Receptor Deficiency, Sadik Akşi̇t, Deni̇z Yilmaz, Şükran Darcan, Sali̇ha Soydan, Cengi̇z Çavuşoğlu, Erol Balik, Jean Laurent Casanova, Neci̇l Kütükçüler Jan 2000

Disseminated Mycobacterium Fortuitum- Chelonae Complex Infection In A Child With Il-12 Receptor Deficiency, Sadik Akşi̇t, Deni̇z Yilmaz, Şükran Darcan, Sali̇ha Soydan, Cengi̇z Çavuşoğlu, Erol Balik, Jean Laurent Casanova, Neci̇l Kütükçüler

Turkish Journal of Medical Sciences

No abstract provided.


Colchicine Toxicity: A Patient With Pneumopericardium, Yüksel Gökel, Abdullah Canataroğlu, Sali̇m Satar, Zi̇kret Köseoğlu Jan 2000

Colchicine Toxicity: A Patient With Pneumopericardium, Yüksel Gökel, Abdullah Canataroğlu, Sali̇m Satar, Zi̇kret Köseoğlu

Turkish Journal of Medical Sciences

No abstract provided.


Cholesterol Granuloma Mass In The Middle Ear Cavity, Murat Ünal, İsmai̇l Çölhan, Yusufhan Süoğlu, Ekrem Yavuz, Tayfun Sunay Jan 2000

Cholesterol Granuloma Mass In The Middle Ear Cavity, Murat Ünal, İsmai̇l Çölhan, Yusufhan Süoğlu, Ekrem Yavuz, Tayfun Sunay

Turkish Journal of Medical Sciences

No abstract provided.


Nitric Oxide In Chronic Liver Disease, Güldal Kirkali, Semra Gezer, Nurcan Umur, Mehmet Ali̇ Özcan, Ethem Tankurt Jan 2000

Nitric Oxide In Chronic Liver Disease, Güldal Kirkali, Semra Gezer, Nurcan Umur, Mehmet Ali̇ Özcan, Ethem Tankurt

Turkish Journal of Medical Sciences

The formation of nitric oxide (NO), a free radical, increases in liver disease, where the L-arginine-nitric oxide (L- arg-NO) pathway is activated by the increased levels of cytokines and endotoxins. In this study, we investigated the relationship between the L-arg-NO pathway and chronic active hepatitis and cirrhosis, which are classified as chronic liver disease. We determined the serum levels of nitrite and nitrate, the end products of the L-arg-NO pathway, in patients with chronic liver disease and compared them with the control group levels. Total nitrite produced by the reduction of nitrate to nitrite in the presence of nitrate reductase …


Effect Of The Combination Of Glibenclamide, An Atp-Dependent Potassium Channel Blocker, And Metoprolol, A Cardioselective B-Adrenoceptor Blocker, During Myocardial Infarction In Conscious Rats, Ömer Bozdoğan, Istvan Lepran, Julğus Gy. Papp Jan 2000

Effect Of The Combination Of Glibenclamide, An Atp-Dependent Potassium Channel Blocker, And Metoprolol, A Cardioselective B-Adrenoceptor Blocker, During Myocardial Infarction In Conscious Rats, Ömer Bozdoğan, Istvan Lepran, Julğus Gy. Papp

Turkish Journal of Medical Sciences

We investigated the possible interaction of glibenclamide and metoprolol on the occurrence of life threatening arrhythmias during the acute phase of experimental myocardial infarction. Coronary artery ligation was performed in conscious rats and ECG was recorded for 15 min following ligation. Neither metoprolol (2 mg/kg i.p., 20 min before coronary artery ligation), nor glibenclamide (5 mg/kg i.p., 30 min before ligation) pretreatment increased significantly the survival rate during the acute phase of myocardial infarction (10 % and 22 %, respectively vs. 9 % in controls). Combination of glibenclamide with metoprolol, however, significantly improved the survival rate (62 %, P < 0.05). These results suggest that the combination of a cardioselective b-blocking agent with an ATP- dependent potassium channel inhibitor may result in an enhanced antiarrhythmic effect during the acute phase of myocardial infarction.


Effects Of Growth Hormone On Hepatic Regeneration, Mahmut Başoğlu, Ahmet A. Balik, İbrahi̇m Kavak, Cemal Gündoğdu, Zekai̇ Erman, İlhan Yildirgan, Durkaya Ören Jan 2000

Effects Of Growth Hormone On Hepatic Regeneration, Mahmut Başoğlu, Ahmet A. Balik, İbrahi̇m Kavak, Cemal Gündoğdu, Zekai̇ Erman, İlhan Yildirgan, Durkaya Ören

Turkish Journal of Medical Sciences

The aim of this experimental study was to determine the effects of growth hormone on hepatic regeneration after partial hepatectomy. Thirty pathogen free Sprague-Dawley rats were divided into three groups, each containing 10 rats. The animals were subjected to a sham operation in Group 1, and to left hepatic lobectomy in Groups 2 and 3. The animals in Groups 1 and 2 received saline solution (0.2 mg/kg/day), while growth hormone (Lilly Humotrope, Lilly France Usine de Fegersheim, France) (0.2 mg/kg/day) was given to the animals in Group 3 for seven days. On the seventh postoperative day, the animals were sacrificed …


Mechanical And Thermal Properties Of Hydroxyapatite-Impregnated Bone Cement, Kemal Şerbetçi̇, Feza Korkusuz, Nesri̇n Hasirci Jan 2000

Mechanical And Thermal Properties Of Hydroxyapatite-Impregnated Bone Cement, Kemal Şerbetçi̇, Feza Korkusuz, Nesri̇n Hasirci

Turkish Journal of Medical Sciences

Self-curing acrylic cements, consisting mainly of polymethylmethacrylate (PMMA), are widely used in dentistry and orthopedic surgery. One of the major side effects of the standard PMMA application is tissue necrosis at the bone-cement interface due to the rise of temperature during the polymerization reaction. This may also lead to aseptic loosening over time. Therefore, intense research is being carried out in the development of bone cements with new compositions. In this study, the aim was to develop new bone cement compositions that would have low setting temperature and high mechanical strength and be comparable with the commercially available ones. For …


Histopathological Effects Of Cholesterol And Protective Effects Of Vitamin E And Selenium On The Morphology Of Liver, Süheyla Gonca, Süreyya Ceylan, Melda Yardimoğlu, Hakki Dalçik, Si̇bel Köktürk, Serdar Fi̇li̇z, Zuhal Yumbul Jan 2000

Histopathological Effects Of Cholesterol And Protective Effects Of Vitamin E And Selenium On The Morphology Of Liver, Süheyla Gonca, Süreyya Ceylan, Melda Yardimoğlu, Hakki Dalçik, Si̇bel Köktürk, Serdar Fi̇li̇z, Zuhal Yumbul

Turkish Journal of Medical Sciences

In this study, effects of cholesterol and protective effects of vitamin E (vit E) and Selenium (Se) on the morphology of the liver in rats were observed. Cholesterol (Chol) supplemented diet, Chol + vit E, Chol + Se and Chol + vit E + Se were applied to the rats. Portal fibrosis with bile ductal proliferation and an increased inflammatory infiltration were seen in Chol group. In this group, ultrastructurally, granular endoplasmic reticulum (GER) arrangement was seen in irregular shape in hepatocyte cytoplasm. The membranes of GER and mitochondria were not seen clearly. A morphological improvement was seen in the …


Effects Of Garlic On Aerobic Performance, Deni̇z İnal İnce, Gül Ti̇ryaki̇ Sönmez, Mustafa Levent İnce Jan 2000

Effects Of Garlic On Aerobic Performance, Deni̇z İnal İnce, Gül Ti̇ryaki̇ Sönmez, Mustafa Levent İnce

Turkish Journal of Medical Sciences

The effects of the administration of a single dose of garlic on the aerobic performance of college endurance athletes were investigated in this study. Ten trained male athletes participated voluntarily in this study. A 900-mg dose of dried garlic powder or placebo was administered randomly in a double-blind cross-over fashion. Five hours after ingestion of the tablets, the subjects underwent an incremental treadmill running test according to the Bruce protocol until subjective exhaustion. During the test, blood pressure and heart rate were monitored at 3 min intervals. After a one-week wash out period, the subjects were crossed over and the …


Antiphospholipid Autoantibodies In Depressive Disorders, Nazan Aydin, Esi̇n Aktaş, Ali̇ Çayköylü, İsmet Kirpinar, R. Ali̇ Sari Jan 2000

Antiphospholipid Autoantibodies In Depressive Disorders, Nazan Aydin, Esi̇n Aktaş, Ali̇ Çayköylü, İsmet Kirpinar, R. Ali̇ Sari

Turkish Journal of Medical Sciences

Higher titers of autoantibodies have been reported in recent studies of depressed patients. In an attempt to investigate the presence of antiphospholipid autoantibodies in patients with depression, sera from both patients and healthy controls were tested for immunoglobulin G and M anticardiolipin and antiphosphatidylserine autoantibodies. We tested positive sera for antiphosphatidylserine (APSA) and anticardi- olipin autoantibody (ACA) in 10 dysthymic, 19 major depressive, and 20 healthy subjects. Tests for ACA-IgM were found to be positive in 1 of the dysthymic patients, in 1 of the major depressives and 1 member of the control group. Positive ACA-IgG was found in 1 …


The Importance Of Anticardiolipin Antibody And Antiplatelet Antibody In The Development Of Thrombocytopenia In Cirrhosis, Hasan Yavuz, Tülay Saricam, Zafer Gülbaş, Ayşegül Özakyol, Eser Vardareli̇, Esat Erenoğlu Jan 2000

The Importance Of Anticardiolipin Antibody And Antiplatelet Antibody In The Development Of Thrombocytopenia In Cirrhosis, Hasan Yavuz, Tülay Saricam, Zafer Gülbaş, Ayşegül Özakyol, Eser Vardareli̇, Esat Erenoğlu

Turkish Journal of Medical Sciences

Objective: The purpose of the present study was to investigate the effects of the presence of hypersplenism, antiplatelet antibody and anticardiolipin antibody, which are thought to be important factors, on the development of thrombocytopenia in patients with cirrhosis with viral etiology. Methods: This study includes 44 patients with cirrhosis related to HBV and HCV, and 12 healthy control subjects. Spleen size was evaluated by ultrasonography, the presence of antiplatelet antibody by flow cytometry, and IgG and IgM isotypes of anticardiolipin anti- body by enzyme immunoassay. Results: There was a significant difference in ultrasonographic spleen size between the patients with and …


Invasiveness Of Radiological Procedures: State-Trait Anxiety In Women Undergoing 3 Different Investigations And 3 Months Follow-Up, Fatma Gül Aksoy, Ayşegül Özdemi̇r, Yasemi̇n Genç Jan 2000

Invasiveness Of Radiological Procedures: State-Trait Anxiety In Women Undergoing 3 Different Investigations And 3 Months Follow-Up, Fatma Gül Aksoy, Ayşegül Özdemi̇r, Yasemi̇n Genç

Turkish Journal of Medical Sciences

Over the past decade, there has been considerable growth in interest in the application of stress management techniques for the preparation of patients needing to undergo noxious medical procedures. Here, we studied state-trait anxiety in women awaiting three different radiological examinations; abdominal ultrasonography, mammography, and hysterosalpingography, which involved various degrees of intrusiveness, and low, intermediate, and high levels of pain and physical/emotional discomfort respectively. We aimed to investigate whether the degree of anxiety corresponded to the level of invasiveness. In addition, we examined the impact of demographic variables on the degree of anxiety and conducted three months of follow-up measurements. …


Possible Microbial Contamination During The Development Of Intra-Oral Films, Rengi̇n Eltem, Hülya Çankaya, Mustafa Ateş, Yasemi̇n Bi̇r Jan 2000

Possible Microbial Contamination During The Development Of Intra-Oral Films, Rengi̇n Eltem, Hülya Çankaya, Mustafa Ateş, Yasemi̇n Bi̇r

Turkish Journal of Medical Sciences

The level of possible microbial cross-contamination in an automatic dental radiograph processor was investigated. Pure cultures of Staphylococcus aureusATCC 6538 P, Escherichia coli ATCC 1103 and Candida utilis ATCC 18804 and a mixed culture of these three microorganisms were prepared. In the first five days of the week, 90 films contaminated with one of these pure cultures were developed. This was followed by the processing of 36 uncontaminated films that were developed in the last two days of the week. The same procedure was repeated for the remaining two pure and mixed microbial cultures. During the study, microbial samples were …


Detection Of Cystic Fibrosis \Deltaf508 Mutation In The Çukurova Region, T. Cevat İnal, Güneş Yüregi̇r, Güler Özer, Bi̇lgi̇n Yüksel Jan 2000

Detection Of Cystic Fibrosis \Deltaf508 Mutation In The Çukurova Region, T. Cevat İnal, Güneş Yüregi̇r, Güler Özer, Bi̇lgi̇n Yüksel

Turkish Journal of Medical Sciences

No abstract provided.


Breast Carcinoma Showing Neuroendocrine Differentiation Characterized With Ectopic Hormone Production (2 Case Reports), Gülay Özbi̇li̇m, Bahar Kiliçarslan, Ekmel Tezer, Ayla Büyükkeçe, Melek Üstün, Şeyda Karaveli̇, Nezi̇hi̇ Oygür Jan 2000

Breast Carcinoma Showing Neuroendocrine Differentiation Characterized With Ectopic Hormone Production (2 Case Reports), Gülay Özbi̇li̇m, Bahar Kiliçarslan, Ekmel Tezer, Ayla Büyükkeçe, Melek Üstün, Şeyda Karaveli̇, Nezi̇hi̇ Oygür

Turkish Journal of Medical Sciences

No abstract provided.


Angiomyolipoma In The Breast And Review Of Literature, Murat Alper, Nusret Akyürek, Süleyman Balkanli, Osman Yüksel Jan 2000

Angiomyolipoma In The Breast And Review Of Literature, Murat Alper, Nusret Akyürek, Süleyman Balkanli, Osman Yüksel

Turkish Journal of Medical Sciences

No abstract provided.


Preparation Of Phbv Foams And Investigation Oftheir Potential For Drug Release, Di̇lek Şendi̇l, İhsan Gürsel, Vasif Hasirci Jan 2000

Preparation Of Phbv Foams And Investigation Oftheir Potential For Drug Release, Di̇lek Şendi̇l, İhsan Gürsel, Vasif Hasirci

Turkish Journal of Medical Sciences

Polymeric foams seem to have potential for use in many research areas such as cell seeding and macromolecule or drug loading. Three factors were studied to evaluate the efficiency of foams as drug carrier and releasing agents. Effect of polymeric properties was examined by using two types of polymers (PHBV 7 and PHBV 22) differing only in their valerate (copolymer) content. The other factor studied was the effect of loading extent on release kinetics and rate. The results showed an unexpected inverse proportionality between drug loading and release rate. They, however, were in accordance with foam physical properties such as …