52 research outputs found
Novel Optimized Hybrid Terahertz Photoconductive Antennas
We demonstrate the results of on THz emission from hybrid THz photoconductive antenna loaded with silver nanoantenna. The results of experimental investigations are in a good agreement with numerical simulations presented in our recent work. The conversion efficiency reveals over 5-fold improvement at certain frequencies, if compared with similar photoconductive antenna without silver nanoparticles, while previous results for this type of antenna barely exceeded 2-fold conversion efficiency gain. We propose a cost-effective fabrication procedure to realize such hybrid THz antennas with optimized plasmonic nanostructures via thermal dewetting process, which does not require any post processing and makes the proposed solution very attractive for applications
Π‘ΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΠ΅ΡΠΈΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ Π²Π΅Π΄Π΅Π½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΠΏΡΠΈ ΡΠ°Π½ΠΈΡΡΡΡΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡΡ ΠΏΠΎ ΠΏΠΎΠ²ΠΎΠ΄Ρ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π°
Two-stage revision arthroplasty in chronic hip periprosthetic joint infection cases is the βgold standardβ treatment. First stage debridement leads to large intraoperative and drainage blood loss using standard protocols for thromboprophylaxis and drainage of the surgical wound, which is a significant disadvantage of perioperative management of such patients.The aim of the study was to determine the effect of modified management protocol with delayed start of thromboprophylaxis and a short period of drainage on the blood loss and the effectiveness of debridement with antibiotic-impregnated spacer placement in patients with hip periprosthetic joint infection.Materials and Methods. A single-center prospective study was conducted. 90 patients underwent endoprosthesis components removal and antibiotic-impregnated spacer placement. Patients were divided into 3 groups: start of thromboprophylaxis before surgery and 3β4 days of drainage; start of thromboprophylaxis no earlier than 12 hours after surgery and 3β4 days of drainage; start of thromboprophylaxis no earlier than 12 hours after surgery and 1 day of drainage.Results. There was a statistically significant (p0.05) decrease of drainage and total blood loss, and transfused blood volume in cases with the delayed start of thromboprophylaxis and a short period of drainage. The proposed protocol was safe for prevention of venous thromboembolic complications and did not affect the frequency of periprosthetic hip joint infection recurrence. The effectiveness of the first stage of treatment β 89%, the second stage β 99% in 1 year after rehabilitation according to the second international consensus on musculoskeletal infection criteria.Conclusion. The modified protocol of perioperative management is an effective and safe as a blood-saving strategy and can be proposed for widespread use.ΠΠ²ΡΡ
ΡΡΠ°ΠΏΠ½ΠΎΠ΅ Π»Π΅ΡΠ΅Π½ΠΈΠ΅ Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π° ΡΠ²Π»ΡΠ΅ΡΡΡ Β«Π·ΠΎΠ»ΠΎΡΡΠΌ ΡΡΠ°Π½Π΄Π°ΡΡΠΎΠΌΒ» Π»Π΅ΡΠ΅Π½ΠΈΡ. Π‘Π°Π½ΠΈΡΡΡΡΠΈΠ΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΏΠ΅ΡΠ²ΠΎΠ³ΠΎ ΡΡΠ°ΠΏΠ° ΠΏΡΠΈΠ²ΠΎΠ΄ΡΡ ΠΊ Π±ΠΎΠ»ΡΡΠΈΠΌ ΠΎΠ±ΡΠ΅ΠΌΠ°ΠΌ ΠΈΠ½ΡΡΠ°ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΠΈ Π΄ΡΠ΅Π½Π°ΠΆΠ½ΠΎΠΉ ΠΊΡΠΎΠ²ΠΎΠΏΠΎΡΠ΅ΡΠΈ ΠΏΡΠΈ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠΌ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Π΅ ΠΊ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠ΅ ΠΈ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠ°Π½Ρ, ΡΡΠΎ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΠΌ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΎΠΌ ΠΏΠ΅ΡΠΈΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ Π²Π΅Π΄Π΅Π½ΠΈΡ ΡΠ°ΠΊΠΈΡ
Π±ΠΎΠ»ΡΠ½ΡΡ
.Π¦Π΅Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ β ΠΎΠΏΡΠ΅Π΄Π΅Π»ΠΈΡΡ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΡΠ°ΠΊΡΠΈΠΊΠΈ Π²Π΅Π΄Π΅Π½ΠΈΡ Ρ ΠΎΡΠ»ΠΎΠΆΠ΅Π½Π½ΡΠΌ ΡΡΠ°ΡΡΠΎΠΌ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ ΠΈ ΠΊΠΎΡΠΎΡΠΊΠΈΠΌ ΡΡΠΎΠΊΠΎΠΌ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π½Π° ΠΎΠ±ΡΠ΅ΠΌ ΠΊΡΠΎΠ²ΠΎΠΏΠΎΡΠ΅ΡΠΈ ΠΈ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΡΠ°Π½ΠΈΡΡΡΡΠ΅ΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ Ρ ΡΡΡΠ°Π½ΠΎΠ²ΠΊΠΎΠΉ Π°Π½ΡΠΈΠΌΠΈΠΊΡΠΎΠ±Π½ΠΎΠ³ΠΎ ΡΠΏΠ΅ΠΉΡΠ΅ΡΠ° Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ΅ΠΉ Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π°.ΠΠ°ΡΠ΅ΡΠΈΠ°Π» ΠΈ ΠΌΠ΅ΡΠΎΠ΄Ρ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΎΠ΄Π½ΠΎΡΠ΅Π½ΡΡΠΎΠ²ΠΎΠ΅ ΠΏΡΠΎΡΠΏΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅. 90 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°ΠΌ ΡΠ΄Π°Π»Π΅Π½ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π· ΠΈ ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ Π°Π½ΡΠΈΠΌΠΈΠΊΡΠΎΠ±Π½ΡΠΉ ΡΠΏΠ΅ΠΉΡΠ΅Ρ Π² ΡΠ²ΡΠ·ΠΈ Ρ Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ΅ΠΉ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π°. ΠΠ°ΡΠΈΠ΅Π½ΡΡ ΡΠ°Π·Π΄Π΅Π»Π΅Π½Ρ Π½Π° 3 Π³ΡΡΠΏΠΏΡ: ΡΡΠ°ΡΡ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ Π΄ΠΎ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΈ 3β4 Π΄Π½Ρ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ; ΡΡΠ°ΡΡ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ Π½Π΅ ΡΠ°Π½Π΅Π΅ 12 Ρ. ΠΏΠΎΡΠ»Π΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΈ 3β4 Π΄Π½Ρ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ; ΡΡΠ°ΡΡ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ Π½Π΅ ΡΠ°Π½Π΅Π΅ 12 Ρ. ΠΏΠΎΡΠ»Π΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΈ ΡΡΡΠΊΠΈ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ.Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈ Π·Π½Π°ΡΠΈΠΌΠΎΠ΅ (p0,05) ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ ΠΎΠ±ΡΠ΅ΠΌΠ° Π΄ΡΠ΅Π½Π°ΠΆΠ½ΠΎΠΉ ΠΈ ΡΡΠΌΠΌΠ°ΡΠ½ΠΎΠΉ ΠΊΡΠΎΠ²ΠΎΠΏΠΎΡΠ΅ΡΠΈ ΠΈ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ ΠΎΠ±ΡΠ΅ΠΌΠ° ΠΏΠ΅ΡΠ΅Π»ΠΈΡΡΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΎΠ² ΠΊΡΠΎΠ²ΠΈ ΠΏΡΠΈ ΠΎΡΠ»ΠΎΠΆΠ΅Π½Π½ΠΎΠΌ ΡΡΠ°ΡΡΠ΅ ΡΡΠΎΠΌΠ±ΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ ΠΈ ΠΊΠΎΡΠΎΡΠΊΠΎΠΌ ΡΡΠΎΠΊΠ΅ Π΄ΡΠ΅Π½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½Π°Ρ ΡΡ
Π΅ΠΌΠ° Π±ΡΠ»Π° Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½Π° Π² ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΈ ΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ Π²Π΅Π½ΠΎΠ·Π½ΡΡ
ΡΡΠΎΠΌΠ±ΠΎΡΠΌΠ±ΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΠΈ Π½Π΅ Π²Π»ΠΈΡΠ»Π° Π½Π° ΡΠ°ΡΡΠΎΡΡ ΡΠ΅ΡΠΈΠ΄ΠΈΠ²ΠΎΠ² ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ. ΠΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΏΠ΅ΡΠ²ΠΎΠ³ΠΎ ΡΡΠ°ΠΏΠ° Π»Π΅ΡΠ΅Π½ΠΈΡ ΡΠΎΡΡΠ°Π²ΠΈΠ»Π° 89%, Π²ΡΠΎΡΠΎΠ³ΠΎ ΡΡΠ°ΠΏΠ° β 99% ΡΠ΅ΡΠ΅Π· 1 Π³ΠΎΠ΄ ΠΏΠΎΡΠ»Π΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π½ΠΎΠΉ ΡΠ°Π½Π°ΡΠΈΠΈ ΠΏΠΎ ΠΊΡΠΈΡΠ΅ΡΠΈΡΠΌ Π²ΡΠΎΡΠΎΠ³ΠΎ ΠΌΠ΅ΠΆΠ΄ΡΠ½Π°ΡΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΡΠ° ΠΏΠΎ ΡΠΊΠ΅Π»Π΅ΡΠ½ΠΎ-ΠΌΡΡΠ΅ΡΠ½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ.ΠΠ°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. ΠΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½Π°Ρ ΡΠ°ΠΊΡΠΈΠΊΠ° ΠΏΠ΅ΡΠΈΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ Π²Π΅Π΄Π΅Π½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½Π° ΠΈ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½Π° Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΡΡΠ°ΡΠ΅Π³ΠΈΠΈ ΠΊΡΠΎΠ²ΠΎΡΠ±Π΅ΡΠ΅ΠΆΠ΅Π½ΠΈΡ ΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π° Π΄Π»Ρ Π±ΠΎΠ»Π΅Π΅ ΡΠΈΡΠΎΠΊΠΎΠ³ΠΎ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ
Π€Π°ΠΊΡΠΎΡΡ ΡΠΈΡΠΊΠ° ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ ΠΏΠΎΡΠ»Π΅ ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π°
Prosthetic joint infection (PJI) after primary hip arthroplasty (PHA) in most cases results in severe surgical and socio-economic problems. Along with improving the technical support of arthroplasty and antibiotic prevention schemes, a key point in reducing the rate of infectious complications is predicting of PJI in each individual patient. The purpose of the study was to reveal the key features of our patients with infectious complications after PHA in comparison with the patients with a successful outcome of arthroplasty. Materials and Methods. The outcomes of 249 cases of PHA were evaluated retrospectively. 115 of them subsequently developed PJI (main group) and 134 were without infectious complications (control group). The comparative analysis of the groups was aimed at identifying the key preoperative, intraoperative and postoperative factors for PJI, as well as combinations of the factors characteristic for our patients. Results. The risk group for the development of infectious complications included patients undergone hip surgery (p0.001), body mass index 40 kg/m2 (p = 0.170), preoperative hemoglobin 115 g/L (p = 0.063), duration of the operation 90 min (p0.001), intraoperative blood loss 410 ml (p0.001), CRP 69 mg/L on day 4 th to 5 th after PHA (p0.001), as well as a combination of 4 or more of the above factors (p0.001). Conclusion. We believe that the correction of the management tactics of such patients taking into account the identified risk factors will reduce the incidence of PJI after PHA.Π Π°Π·Π²ΠΈΡΠΈΠ΅ ΠΏΠ΅ΡΠΈΠΏΡΠΎΡΠ΅Π·Π½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ (ΠΠΠ) ΠΏΠΎΡΠ»Π΅ ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π° Π²Π»Π΅ΡΠ΅Ρ Π·Π° ΡΠΎΠ±ΠΎΠΉ ΡΡΠΆΠ΅Π»ΡΠ΅ Ρ
ΠΈΡΡΡΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΡΠΎΡΠΈΠ°Π»ΡΠ½ΠΎ-ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ. ΠΠ°ΡΡΠ΄Ρ Ρ ΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΠ΅Ρ
Π½ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ Π°ΡΡΡΠΎΠΏΠ»Π°ΡΡΠΈΠΊΠΈ ΠΈ ΡΡ
Π΅ΠΌ Π°Π½ΡΠΈΠ±ΠΈΠΎΡΠΈΠΊΠΎΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ ΠΊΠ»ΡΡΠ΅Π²ΡΠΌ ΠΌΠΎΠΌΠ΅Π½ΡΠΎΠΌ Π² ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠΈ ΡΠ°ΡΡΠΎΡΡ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ Π΅Π΅ ΡΠ°Π·Π²ΠΈΡΠΈΡ Ρ ΠΊΠΎΠ½ΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°. ΠΡΠ½ΠΎΠ²Π½Π°Ρ ΡΠ΅Π»Ρ Π½Π°ΡΠ΅Π³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ β ΠΏΠΎΠΏΡΡΠ°ΡΡΡΡ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΠΈΡΡ ΠΎΡΠ»ΠΈΡΠΈΡΠ΅Π»ΡΠ½ΡΠ΅ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ Π½Π°ΡΠΈΡ
ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ², Ρ ΠΊΠΎΡΠΎΡΡΡ
ΡΠ°Π·Π²ΠΈΠ»ΠΈΡΡ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΡΠ΅ ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΡ ΠΏΠΎΡΠ»Π΅ ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π’ΠΠ‘ Π² ΡΡΠ°Π²Π½Π΅Π½ΠΈΠΈ Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°ΠΌΠΈ Ρ Π±Π»Π°Π³ΠΎΠΏΠΎΠ»ΡΡΠ½ΡΠΌ ΠΈΡΡ
ΠΎΠ΄ΠΎΠΌ Π°ΡΡΡΠΎΠΏΠ»Π°ΡΡΠΈΠΊΠΈ. ΠΠ°ΡΠ΅ΡΠΈΠ°Π» ΠΈ ΠΌΠ΅ΡΠΎΠ΄Ρ. ΠΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΎΠ΄Π½ΠΎΡΠ΅Π½ΡΡΠΎΠ²ΠΎΠ΅ ΡΠ΅ΡΡΠΎΡΠΏΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½ΠΎΠ΅ Π½Π° Π΄Π°Π½Π½ΡΡ
ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΎΠΉ Π΄ΠΎΠΊΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠΈ 249 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ², ΠΏΠ΅ΡΠ΅Π½Π΅ΡΡΠΈΡ
ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ΅ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π° Π² ΠΊΠ»ΠΈΠ½ΠΈΠΊΠ΅ Ρ 2011 ΠΏΠΎ 2018 Π³. Π ΠΎΡΠ½ΠΎΠ²Π½ΡΡ Π³ΡΡΠΏΠΏΡ Π²ΠΎΡΠ»ΠΈ Π²ΡΠ΅ ΠΈΠ·Π²Π΅ΡΡΠ½ΡΠ΅ ΡΠ»ΡΡΠ°ΠΈ ΠΠΠ Π·Π° ΡΠΊΠ°Π·Π°Π½Π½ΡΠΉ ΠΏΠ΅ΡΠΈΠΎΠ΄ (115 Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΠΉ). ΠΠΎΠ½ΡΡΠΎΠ»ΡΠ½Π°Ρ Π³ΡΡΠΏΠΏΠ° Π±ΡΠ»Π° ΡΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½Π° ΡΠ»ΡΡΠ°ΠΉΠ½ΡΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ ΠΈΠ· 134 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Π½Π΅Π·Π°Π²ΠΈΡΠΈΠΌΠΎ ΠΎΡ ΠΏΡΠΈΡΠΈΠ½Ρ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π±Π΅Π· ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ. Π‘ΡΠ°Π²Π½ΠΈΡΠ΅Π»ΡΠ½ΡΠΉ Π°Π½Π°Π»ΠΈΠ· Π³ΡΡΠΏΠΏ Π±ΡΠ» Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½ Π½Π° Π²ΡΡΠ²Π»Π΅Π½ΠΈΠ΅ ΠΊΠ»ΡΡΠ΅Π²ΡΡ
ΠΏΡΠ΅Π΄ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
, ΠΈΠ½ΡΡΠ°ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΈ ΠΏΠΎΡΠ»Π΅ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΠΠ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΈΡ
ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΉ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠ½ΡΡ
Π΄Π»Ρ Π½Π°ΡΠΈΡ
ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ². Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. Π Π³ΡΡΠΏΠΏΡ Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½Π½ΡΠΌ ΡΠΈΡΠΊΠΎΠΌ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΎΠ½Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ½Π΅Π½ΠΈΠΉ Π²ΠΎΡΠ»ΠΈ ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ, ΠΏΠ΅ΡΠ΅Π½Π΅ΡΡΠΈΠ΅ ΡΠ°Π½Π΅Π΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ Π½Π° Π΄Π°Π½Π½ΠΎΠΌ ΡΡΡΡΠ°Π²Π΅ (Ρ0,001), Ρ ΠΠΠ’ 40 ΠΊΠ³/ΠΌ2 (Ρ = 0,170), ΠΈΡΡ
ΠΎΠ΄Π½ΡΠΌ Π³Π΅ΠΌΠΎΠ³Π»ΠΎΠ±ΠΈΠ½ΠΎΠΌ 115 Π³/Π» (Ρ = 0,063), Π΄Π»ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ 90 ΠΌΠΈΠ½ (Ρ0,001), ΠΈΠ½ΡΡΠ°ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΠΊΡΠΎΠ²ΠΎΠΏΠΎΡΠ΅ΡΠ΅ΠΉ 410 ΠΌΠ» (Ρ0,001), ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ Π‘Π Π 69 ΠΌΠ³/Π» Π½Π° 4β5-Π΅ ΡΡΡ. ΠΏΠΎΡΠ»Π΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ (Ρ0,001), Π° ΡΠ°ΠΊΠΆΠ΅ Ρ ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ΠΌ 4 ΠΈ Π±ΠΎΠ»Π΅Π΅ Π²ΡΡΠ΅ΡΠΊΠ°Π·Π°Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² (Ρ0,001). ΠΠ°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. ΠΡ ΠΏΠΎΠ»Π°Π³Π°Π΅ΠΌ, ΡΡΠΎ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡ ΡΠ°ΠΊΡΠΈΠΊΠΈ Π²Π΅Π΄Π΅Π½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΠΏΠΎΡΠ»Π΅ ΠΏΠ΅ΡΠ²ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ½Π΄ΠΎΠΏΡΠΎΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ°Π·ΠΎΠ±Π΅Π΄ΡΠ΅Π½Π½ΠΎΠ³ΠΎ ΡΡΡΡΠ°Π²Π° Ρ ΡΡΠ΅ΡΠΎΠΌ Π²ΡΡΠ²Π»Π΅Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² ΡΠΈΡΠΊΠ° ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΡ ΡΠΌΠ΅Π½ΡΡΠΈΡΡ ΡΠ°ΡΡΠΎΡΡ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΠΠ
Optimal descriptor as a translator of eclectic data into prediction of cytotoxicity for metal oxide nanoparticles under different conditions
10.1016/j.ecoenv.2014.10.003The Monte Carlo technique has been used to build up quantitative structure-activity relationships (QSARs) for prediction of dark cytotoxicity and photo-induced cytotoxicity of metal oxide nanoparticles to bacteria Escherichia coli (minus logarithm of lethal concentration for 50% bacteria pLC50, LC50 in mol/L). The representation of nanoparticles include (i) in the case of the dark cytotoxicity a simplified molecular input-line entry system (SMILES), and (ii) in the case of photo-induced cytotoxicity a SMILES plus symbol '. ^. '. The predictability of the approach is checked up with six random distributions of available data into the visible training and calibration sets, and invisible validation set. The statistical characteristics of these models are correlation coefficient 0.90-0.94 (training set) and 0.73-0.98 (validation set)
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