13 research outputs found
The effect of heavy metals on the anthracene-Me-beta-cyclodextrin host-guest inclusion complexes
Anthracene was used to form an inclusion complex with methylated--cyclodextrin (Me-beta-CD) in water. In aqueous Me--CD solution, typical fluorescence emission of anthracene was observed. Benesi-Hildebrand's method was used to obtain the stoichiometry of the anthracene-Me--CD complex. The Stern-Volmer quenching constants, K-sv, and fluorescence quantum yields were calculated according to changes in the fluorescence emission intensity of anthracene-Me-beta-CD inclusion complexes by adding various amounts of Pb2+ and Cd2+ salts in water. The K-sv values and fluorescence quantum yields indicate that Pb2+ salts quench the anthracene-Me-beta-CD inclusion complexes more efficiently than Cd2+ salts
The effect of mulching on water consumption, yield and some parameters in apple orchards grafted onto dwarf rootstock
This study was conducted to determine the effect of different mulch materials on plant water consumption, yield, fruit quality, vegetative growth, and weed control and soil temperature of Braeburn apple variety grafted onto M9 rootstock in Eğirdir Fruit Growing Research Station in 2010-2011. The experimental design was a randomized block design with three replications. Three different treatments were determined as two different mulch materials (white fabric, black plastic covering) and control (without any mulching). Irrigation water was applied by using drip irrigation system in 7 days intervals. Amount of irrigation water to be applied in the each irrigation was determined as water amount needed for raising the soil moisture to the field capacity in 0-60 cm soil depth. As a result, substantial water saving has been provided from both of the mulch materials (%< 22-28) in comparison with the control treatment. The yield results showed statistically significant difference (p<0.05) among the treatments only in the second year. The highest red colour density value, which is an important criterion in apple marketing, was obtained from mulching with white fabric for both years. It was determined that mulch applications with these two materials were positive effects on vegetative growth and they were very effective on weed control. Soil temperature measured in the treatment used white fabric was found 1-2°C lower in comparison with control treatment, while it was found 3-4°C lower in comparison with the black plastic covering
Bodur anaçlı elma bahçelerinde malç kullanımının su tüketimi, verim ve bazı parametreler üzerine etkileri
This study was conducted to determine the effect of different mulch materials on plant water consumption, yield, fruit quality, vegetative growth, and weed control and soil temperature of Braeburn apple variety grafted onto M9 rootstock in Eğirdir Fruit Growing Research Station in 2010-2011. the experimental design was a randomized block design with three replications. Three different treatments were determined as two different mulch materials (white fabric, black plastic covering) and control (without any mulching). Irrigation water was applied by using drip irrigation system in 7 days intervals. Amount of irrigation water to be applied in the each irrigation was determined as water amount needed for raising the soil moisture to the field capacity in 0-60 cm soil depth. As a result, substantial water saving has been provided from both of the mulch materials (%;lt; 22-28) in comparison with the control treatment. the yield results showed statistically significant difference (p;lt;0.05) among the treatments only in the second year. the highest red colour density value, which is an important criterion in apple marketing, was obtained from mulching with white fabric for both years. It was determined that mulch applications with these two materials were positive effects on vegetative growth and they were very effective on weed control. Soil temperature measured in the treatment used white fabric was found 1-2°C lower in comparison with control treatment, while it was found 3-4°C lower in comparison with the black plastic covering.Bu çalışma, tam bodur anaç (M9) üzerine aşılı Braeburn elma çeşidinde farklı malç materyallerinin bitki su tüketimi, verim, meyve kalitesi, vejetatif gelişim, yabancı ot kontrolü ve toprak sıcaklığına etkilerini belirlemek amacıyla Eğirdir Meyvecilik Araştırma İstasyonu’nda 2010-2011 yıllarında yürütülmüştür. Tesadüf blokları deneme desenine göre 3 tekerrürlü kurulan denemede 2 farklı malç materyali (BKÖ ve SP) ve kontrol (K) olmak üzere 3 farklı konu yer almıştır. Sulama suyu tüm konulara 7 günlük aralıklarla damla sulama sistemi ile uygulanmıştır. Her sulamada 0-60 cm toprak derinliğinde eksik nemi tarla kapasitesine getirmek için gerekli miktar kadar sulama suyu uygulanmıştır. Malç uygulanan konularda kontrol konusuna göre sulama suyundan büyük oranda (% 22-28) tasarruf sağlanmıştır. Verim bakımından sadece ikinci yıl kontrol ve malç konuları arasında % 5 düzeyinde farklılık bulunmuştur. Pazarlama için önemli bir kriter olan elmanın kırmızı renk yoğunluğu yönünden ise beyaz kumaş örtü ile her iki yılda da en yüksek değerler elde edilmiştir. Her iki malç materyalinin de vejetatif gelişimi olumlu etkilediği ve yabancı ot gelişimi kontrolünde çok etkili oldukları belirlenmiştir. Toprak sıcaklığı beyaz kumaş örtü kullanılan konuda kontrol konusuna göre 1-2 °C daha düşük, siyah plastik örtü kullanılan konuya göre ise 3-4oC daha düşük saptanmıştır
Cell-Free Circulating DNA as a Novel Biomarker in Patients with the Acute Coronary Syndrome
Türkiye'de inme hastalarında atrial fibrilasyon ve yönetimi: Nörotek Çalışması gerçek hayat verileri (S-011)
Gastrostomy in hospitalized patients with acute stroke: "NoroTek" Turkey point prevalence study subgroup analysis
Objective: Nutritional status assessment, dysphagia evaluation and enteral feeding decision are important determinants of prognosis in acute neurovascular
diseases.
Materials and Methods: NöroTek is a point prevalence study conducted with the participation of 87 hospitals spread across all health sub regions of Turkey
conducted on 10-May-2018 (World Stroke Awareness Day). A total of 972 hospitalized neurovascular patients [female: 53%, age: 69±14; acute ischemic stroke
in 845; intracerebral hematoma (ICH) in 119 and post-resuscitation encephalopathy (PRE) in 8] with complete data were included in this sub-study.
Results: Gastrostomy was inserted in 10.7% of the patients with ischemic stroke, 10.1% of the patients with ICH and in 50% of the patients with PRE.
Independent predictors of percutaneous endoscopic gastrostomy (PEG) administration were The National Institutes of Health Stroke Scale score at admission [exp
(β): 1.09 95% confidence interval (CI): 1.05-1.14, per point] in ischemic stroke; and mechanical ventilation in ischemic [exp (β): 6.18 (95% CI: 3.16-12.09)] and
hemorrhagic strokes [exp (β): 26.48 (95% CI: 1.36-515.8)]. PEG was found to be a significant negative indicator of favorable (modified Rankin’s scale score 0-2)
functional outcome [exp (β): 0.032 (95% CI: 0.004-0.251)] but not of in-hospital mortality [exp (β): 1.731 (95% CI: 0.785-3.829)]. Nutritional and swallowing
assessments were performed in approximately two-thirds of patients. Of the nutritional assessments 69% and 76% of dysphagia assessments were completed
within the first 2 days. Tube feeding was performed in 39% of the patients. In 83.5% of them, tube was inserted in the first 2 days; 28% of the patients with
feeding tube had PEG later.
Conclusion: The NöroTek study provided the first reliable and large-scale data on key quality metrics of nutrition practice in acute stroke in Turkey. In terms
of being economical and accurate it makes sense to use the point prevalence method.Amaç: Akut nörovasküler hastalıklarda nütrisyonel durum ve disfaji değerlendirmesi ve enteral beslenme kararı önemli prognoz belirleyicilerindendir.
Gereç ve Yöntem: NöroTek, 10 Mayıs 2018’de (Dünya İnme Farkındalık Günü) Türkiye’nin tüm sağlık alt bölgelerine yayılmış 87 hastanenin katılımıyla
gerçekleştirilen bir nokta prevalans çalışmasıdır. Hastanede yatan ve bu alt çalışma için toplanan verisi tam olan toplam 972 nörovasküler hasta (kadın: %53, yaş:
69±14 yıl; 845’i akut iskemik inme; 119’u intraserebral hematom ve 8’i post-resüsitasyon ensefalopatisi) analiz edildi. Bulgular: Gastrostomi iskemik inmeli hastaların %10,7, intraserebral kanamalıların %10,1 ve post-resusitasyon ensefalopatisi olanların %50’sine uygulanmıştır.
Perkütan endoskopik gastrostomi (PEG) gereksiniminin bağımsız belirleyicileri, iskemik inme grubunda kabul NIHSS [exp (β): 1,09, %95 güven aralığı (GA):
1,05-1,14, puan başına] ile hem iskemik hem de hemorajik inmelerde mekanik ventilasyon uygulanmış olmasıdır [iskemik için: exp (β): 6,18, %95 GA: 3,16-
12,09] ve hemorajik inme için: [exp (β): 26,48, 95% GA: 1,36-515,8]. İnme olgularında PEG uygulaması hastane içi mortalite için bağımsız belirleyici değildi
[exp (β): 1,731, 95% GA: 0,785-3,829]. Ancak, PEG uygulanmış olması taburculuk esnasında iyi prognoza (modifiye Rankin skoru 0-2) sahip olabilme için
anlamlı bir negatif etmen olarak bulundu [exp (β): 0,032, %95 GA: 0,004-0,251]. Hastanede yatan nörovasküler hastaların yaklaşık üçte ikisinde malnütrisyon
ve yutma bozukluğu açısından değerlendirme yapılmıştı. Nutrisyonel status değerlendirmesinin %69’u ve disfaji değerlendirmesinin %76’sı ilk 48 saat içinde
gerçekleştirilmişti. Tüple enteral nütrisyon uygulama oranı %39’du. Beslenme tüplerinin %83,5’i ilk 2 gün içinde yerleştirilirken beslenme tüpü olan hastaların
%28’ine daha sonra PEG açılmıştı.
Sonuç: NöroTek çalışması ile Türkiye’de hastanede yatan akut inme hastalarında nutrisyonel uygulamaların temel kalite ölçütlerine ilişkin ilk güvenilir ve büyük
ölçekli veri sağlanmıştır. Ekonomik olması ve doğruluğu açısından nokta yaygınlık yönteminin bu tip verilerin temini için daha fazla kullanılması mantıklıdır
Atrial Fibrillation Management in Acute Stroke Patients in Türkiye: Real-life Data from the NöroTek Study
Objective: Atrial fibrillation (AF) is the most common directly preventable cause of ischemic stroke. There is no dependable neurology-based data on the spectrum of stroke caused by AF in Turkiye. Within the scope of NoroTek-Turkiye (TR), hospital-based data on acute stroke patients with AF were collected to contribute to the creation of acute-stroke algorithms.Materials and Methods: On May 10, 2018 (World Stroke Awareness Day), 1,790 patients hospitalized at 87 neurology units in 30 health regions were prospectively evaluated. A total of 929 patients [859 acute ischemic stroke, 70 transient ischemic attack (TIA)] from this study were included in this analysis.Results: The rate of AF in patients hospitalized for ischemic stroke/TIA was 29.8%, of which 65% were known before stroke, 5% were paroxysmal, and 30% were diagnosed after hospital admission. The proportion of patients with AF who received "effective" treatment [international normalization ratio >= 2.0 warfarin or non-vitamin K antagonist oral anticoagulants (NOACs) at a guideline dose] was 25.3%, and, either no medication or only antiplatelet was used in 42.5% of the cases. The low dose rate was 50% in 42 patients who had a stroke while taking NOACs. Anticoagulant was prescribed to the patient at discharge at a rate of 94.6%; low molecular weight or unfractionated heparin was prescribed in 28.1%, warfarin in 32.5%, and NOACs in 31%. The dose was in the low category in 22% of the cases discharged with NOACs, and half of the cases, who received NOACs at admission, were discharged with the same drug.Conclusion: NoroTekTR revealed the high but expected frequency of AF in acute stroke in Turkiye, as well as the aspects that could be improved in the management of secondary prophylaxis. AF is found in approximately one-third of hospitalized acute stroke cases in Turkiye. Effective anticoagulant therapy was not used in three-quarters of acute stroke cases with known AF. In AF, heparin, warfarin, and NOACs are planned at a similar frequency (one-third) within the scope of stroke secondary prophylaxis, and the prescribed NOAC dose is subtherapeutic in a quarter of the cases. Non-medical and medical education appears necessary to prevent stroke caused by AF