نتایج جستجو برای: pco analysis

تعداد نتایج: 2825619  

Journal: :Plant physiology 2010
Sven A Kranz Orly Levitan Klaus-Uwe Richter Ondrej Prásil Ilana Berman-Frank Björn Rost

Recent studies on the diazotrophic cyanobacterium Trichodesmium erythraeum (IMS101) showed that increasing CO(2) partial pressure (pCO(2)) enhances N(2) fixation and growth. Significant uncertainties remain as to the degree of the sensitivity to pCO(2), its modification by other environmental factors, and underlying processes causing these responses. To address these questions, we examined the ...

2016
Longfei Jia Juan Li Bin He Yimin Jia Yingjie Niu Chenfei Wang Ruqian Zhao

Polycystic ovarian syndrome (PCOS) is associated with hyperhomocysteinemia and polycystic ovaries (PCO) usually produce oocytes of poor quality. However, the intracellular mechanism linking hyperhomocysteinemia and oocyte quality remains elusive. In this study, the quality of the oocytes isolated from healthy and polycystic gilt ovaries was evaluated in vitro in association with one-carbon meta...

2017
Kyoung-Tak Kang Yong-Gon Koh Juhyun Son Oh-Ryong Kwon Jun-Sang Lee Sae Kwang Kwon

This study aimed to determine the biomechanical effect of the posterior condylar offset (PCO) and posterior tibial slope (PTS) in posterior-stabilized (PS) fixed-bearing total knee arthroplasty (TKA). We developed ±1, ±2, and ±3 mm PCO models in the posterior direction and -3°, 0°, 3°, and 6° PTS models using a previously validated FE model. The influence of changes in the PCO and PTS on the bi...

2012
SeongHun Yoon Mario Zuccarello Robert M. Rapoport

CO(2) serves as one of the fundamental regulators of cerebral blood flow (CBF). It is widely considered that this regulation occurs through pCO(2)-driven changes in pH of the cerebral spinal fluid (CSF), with elevated and lowered pH causing direct relaxation and contraction of the smooth muscle, respectively. However, some findings also suggest that pCO(2) acts independently of and/or in conjun...

Journal: :The American journal of physiology 1976
R Yagil Z Lerner Z Etzion G M Berlyne

Lactating white rats (Rattus norvegicus) were subjected to metabolic and respiratory acidosis and metabolic alkalosis. Before and during the various treatments, the acid-base status of heart blood and milk was determined. Acute metabolic acidosis lowered the pH of plasma and milk; Pco(2) and bicarbonate concentrations in plasma were lowered, and in milk Pco(2) was raised and the bicarbonate con...

JOHN A. EDEN, SHAYESTEH JAHANFAR,

Two-hundred and seventeen subjects underwent transvaginal ultrasound -17 (8%) had unilateral polycystic ovary (PCO). Twelve percent of subjects with unilateral scan-pea had oligomenorrhea, 24% were amenorrheic, 23% were hirsute and 29% had acne. Biochemical parameters were compared between subjects with unilateral scan- PCO and those with bilateral scan- PCO (n=200) as well as a group of s...

2013
Rajesh Subhash Joshi

AIM To find out the incidence of primary posterior capsular opacification (PCO) in rural patients with a hypermature senile cataract undergoing cataract surgery. SETTINGS Tertiary eye care center in central India. DESIGN Prospective, observational, noncomparative study. MATERIALS AND METHODS Two-hundred eyes of 200 patients presenting with a hypermature cataract underwent manual small inc...

2011
Ewa Langwińska-Wośko Karina Broniek-Kowalik Kamil Szulborski

BACKGROUND The aim of this study was to evaluate the impact of capsulorhexis diameter, localization and shape on posterior capsule opacification (PCO) development after cataract extraction with phacoemulsification. MATERIAL/METHODS We retrospectively analyzed of 297 patients who underwent phacoemulsification and AcrySof SA60AT implantation. In a first group of 97 patients, 53 received small c...

2011
Yoon-Seok Youm Sung-Do Cho Jin Eo Ki-Bong Park Sun-Ho Lee

PURPOSE We tried to demonstrate whether the posterior condylar offset (PCO, the distance from the femoral diaphysis posterior cortex to the posterior condylar margin) and ratio (PCOR, dividing PCO by the maximum antero-posterior diameter of the distal femur) could be used as predictive factors for overhang of the implants or using gender implants in total knee arthroplasty (TKA). MATERIALS AN...

Journal: :Journal of applied physiology 2002
Henrik Rasmussen Peyman Mirtaheri Hubert Dirven Helge Johnsen Gunnvald Kvarstein Tor Inge Tønnessen Tore Midtvedt

PCO(2) in the lumen and serosa of cecum and colon was measured in rats, guinea pigs, and dogs to examine the relationship between serosal PCO(2) and the incidence of intestinal necrotic lesions after administration of gas-carrier contrast agents in rodents. The effects of the dietary substrate were tested in a group of mice maintained on a diet based on glucose as the only carbohydrate source. ...

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