㻌䠄䠒䠅 BNCT 䛾䛯䜑䛾 3 ḟඖ䝀䝹⥺㔞ィ䛾ᇶ♏≉ᛶ䛾᳨ウ㻌

― 32 ―

㻌

㻌䠄䠒䠅 BNCT 䛾䛯䜑䛾 3 ḟඖ䝀䝹⥺㔞ィ䛾ᇶ♏≉ᛶ䛾᳨ウ㻌

㻌 ᗈᓥᅜ㝿኱Ꮫಖ೺་⒪Ꮫ㒊㻌 ᯘ㻌 ៅ୍㑻㻌 㻌 ி㒔኱Ꮫ」ྜཎᏊຊ⛉Ꮫ◊✲ᡤ㻌 㻌 Ḉ஭㻌 Ⰻ᠇㻌 㻌 ி㒔኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉㻌 ෆ⏣㻌 Ⰻᖹ㻌 㻌 ㏆␥኱ᏛཎᏊຊ◊✲ᡤ㻌 ⱝᯘ㻌 ※୍㑻㻌 㻌

䠍 䠍䠊䠊㻌㻌 ᗎᗎ㻌㻌

㻌 䝩䜴⣲୰ᛶᏊᤕᤊ⒪ἲ䠄Boron Neutron Capture Therapy㻌௨ୗ㻌BNCT䠅䛿䚸⇕୰ᛶᏊ㻌 㻔䠘0.5eV㻕㻌 䜢ᤕ⋓䛧䛯䝩䜴⣲ཎᏊ᰾㻔¹⁰B㻕䛜ḟᘧ䛾䜘䛖䛻䝦䝸䜴䝮ཎᏊ᰾䠄α⢏Ꮚ䠅䛸཯㊴䝸䝏䜴䝮ཎᏊ᰾䛻ศ⿣䛩 䜛⌧㇟䜢฼⏝䛩䜛䚹㻌

n + ¹⁰B → ¹¹B → ⁴He + ⁷Li㻌 㻌 䠄䛒䜛䛔䛿㻌¹⁰B(n,α)⁷Li㸧

䛣䛾཯ᛂ䛜⭘⒆⣽⬊ෆ䛷⏕䛨䛯ሙྜ䚸⣽⬊㻝ಶ⛬ᗘ䛾㡿ᇦ䠄⣙10μm䠅䛻䛭䛾㐠ື䜶䝛䝹䜼䞊䜢඲

䛶ᨺฟ䛩䜛䛾䛷䠄㧗LET䠅䚸㧗䛔ẅ⣽⬊ຠᯝ䛜ᚓ䜙䜜䜛䚹䝩䜴⣲㻔¹⁰B㻕䛿䚸஦๓䛻⭘⒆⣽⬊䛻㞟✚䛧䜔 䛩䛔ᛶ㉁䜢ᣢ䛴䝩䜴⣲໬ྜ≀䛸䛧䛶ᝈ⪅䛻ᢞ୚䛥䜜䚸䛭䛾ᚋᝈ㒊䛻୰ᛶᏊ⥺䛜↷ᑕ䛥䜜䜛䚹䛭䛾⤖

ᯝ䚸ୖグ䛾᰾ศ⿣཯ᛂ䛜⏕䛨䚸䛭䛾⣽⬊䜢Ṛ⁛䛥䛫䜛䚹ᨺฟ䛥䜜䜛α⢏Ꮚ➼䛿㣕⛬䛜ᩘμm䛸▷䛔䛾 䛷⒴⣽⬊࿘ᅖ䛾ṇᖖ⤌⧊䜈䛾ᦆയ䜢䜋䛸䜣䛹୚䛘䛪䛻⒴⣽⬊䛾䜏䜢Ṛ⁛䛥䛫䜛䛣䛸䛜ྍ⬟䛷䛒䜚䚸

௒ᚋ䛾Ⓨᒎ䛜ᮇᚅ䛥䜜䛶䛔䜛䚹䛧䛛䛧䚸BNCT䛻䛚䛔䛶୚䛘䜙䜜䜛⥺㔞䛿ୖグ䛾཯ᛂ䛻㉳ᅉ䛩䜛⥺

㔞䠄䝩䜴⣲⥺㔞䠅௨እ䛻ཎᏊ⅔䛛䜙䛾䜺䞁䝬⥺䜔⏕యෆ䛾ᵝ䚻䛺ඖ⣲䛸୰ᛶᏊ䛸䛾཯ᛂ䛻㉳ᅉ䛩䜛

཯㊴᰾䜔༶Ⓨ䜺䞁䝬⥺䛺䛹䛾㠀䝩䜴⣲⥺㔞䜒ྵ䜣䛷䛚䜚䚸䛣䜜䜙䛾ศᕸ䜢ṇ䛧䛟ホ౯䛩䜛䛣䛸䛿ᮍ䛰 ᐜ᫆䛷䛿䛺䛔䚹㻌

㻌 䛭䛾୍᪉䛷䚸⢏Ꮚ⥺἞⒪㻔PT㻕䜔ᙉᗘኚㄪᨺᑕ⥺἞⒪㻔IMRT㻕➼䚸┠ⓗ䛾⑓ᕢ䛻⥺㔞䜢㞟୰䛥䛫䜛 㧗⢭ᗘᨺᑕ⥺἞⒪䛜ྍ⬟䛸䛺䛳䛶䛝䛶䛔䜛䛣䛸䛻క䛔䚸἞⒪ィ⏬䜔⥺㔞ホ౯䛻䛚䛔䛶䛭䛾㻟ḟඖ⥺

㔞ศᕸ䜢┤᥋ ᐃ䛷䛝䜛⥺㔞ィ䛾㛤Ⓨ䛜ồ䜑䜙䜜䛶䛔䜛䚹㏆ᖺ䚸䛭䛾ೃ⿵䛾୍䛴䛸䛧䛶㻟ḟඖ䝀䝹

⥺㔞ィ䛜ὀ┠䜢㞟䜑䛶䛔䜛[1]䚹㻟ḟඖ䝀䝹⥺㔞ィ䛿ᨺᑕ⥺↷ᑕ䛻䜘䛳䛶⏕䛨䜛Ỉศゎ䝷䝆䜹䝹䛻䜘 䜛໬Ꮫ཯ᛂ䜢฼⏝䛧䛯໬Ꮫ⥺㔞ィ䛾୍⩌䛷䛒䜛䚹௦⾲ⓗ䛺㻟ḟඖ䝀䝹⥺㔞ィ䛸䛧䛶䛿䚸Ỉ⁐ᾮ୰䛻 䛚䛡䜛䝡䝙䝹䝰䝜䝬䞊䠄C=C㻌 ᇶ䜢ྵ䜐᭷ᶵศᏊ䠅䛾䝷䝆䜹䝹㔜ྜ཯ᛂ䠄㧗ศᏊ䛾⏕ᡂ䠅䜢฼⏝䛧䛯䝫 䝸䝬䞊䝀䝹⥺㔞ィ䜔䚸㕲䛾㓟໬཯ᛂ䠄Fe²⁺ → Fe³⁺䠅䜢฼⏝䛧䛯䝣䝸䝑䜿䝀䝹⥺㔞ィ䚸䛚䜘䜃ᨺᑕ⥺ឤ

ཷᛶⰍ⣲䜢฼⏝䛧䛯Ⰽ⣲䝀䝹⥺㔞ィ䛜▱䜙䜜䛶䛔䜛䚹䛣䜜䜙䛾཯ᛂ⏕ᡂ≀䛿Ỉ⁐ᾮ୰䛷䛿↷ᑕᚋ䚸 ᣑᩓ䜔ỿẊ䛻䜘䜚䛭䛾✵㛫᝟ሗ䛜ᾘኻ䛧䛶䛧䜎䛖䛾䛷䚸䛭䛾Ỉ⁐ᾮ䜢䝊䝷䝏䞁➼䛾䝀䝹໬๣䛷ᅛ໬

䛩䜛䛣䛸䛻䜘䜚䛭䛾✵㛫᝟ሗ䜢ಖᣢ䛧䛶䛔䜛䛾䛜≉ᚩ䛷䛒䜛䚹䛭䛾཯ᛂ䛻䜘䜛ኚ໬䜢᰾☢Ẽඹ㬆⏬ീ

໬⿦⨨䠄MRI䠅䜔ගᏛCT➼䛷ㄞ䜏ྲྀ䜛䛣䛸䛻䜘䜚྾཰⥺㔞䛾㻟ḟඖศᕸ䜢┤᥋ồ䜑䜛䛣䛸䛜䛷䛝䜛䚹䜎 䛯䚸䛭䛾⤌ᡂ䛿90䠂๓ᚋ䛜Ỉ䛷䛒䜛஦䛛䜙Ỉ䠄⏕య䠅➼౯䛸䜏䛺䛩䛣䛸䛜䛷䛝䚸⏕య䛻ᑐ䛩䜛྾཰⥺

㔞 ᐃ䛻㐺䛧䛶䛔䜛䚹㻌

㻌 ➹⪅䜙䛿䛣䜜䜎䛷䚸䛣䜜䜙䛾㻟ḟඖ䝀䝹⥺㔞ィ䜢୺䛻㼄⥺䠄䜺䞁䝬⥺䠅䜔㝧Ꮚ⥺䞉Ⅳ⣲⥺䛻㐺⏝䛧䚸

≉ᛶホ౯䛸ᨵⰋ䚸䛚䜘䜃⮫ᗋ䜈䛾ᛂ⏝䛻ྲྀ䜚⤌䜣䛷䛝䛯[2, 3]䚹୍᪉䚸㻟ḟඖ䝀䝹⥺㔞ィ䛾BNCT䠄୰

Ꮚ⥺䠅䜈䛾㐺⏝䛿䚸ୡ⏺ⓗ䛻ぢ䛶䜒ཎᏊ⅔䛾฼⏝䛜㝈䜙䜜䜛䛣䛸䚸䜎䛯䛥䜙䛻䛿BNCT䛻ྲྀ䜚⤌䜣䛷 䛔䜛ᅜ⮬య䛜ᑡ䛺䛔䛣䛸䛺䛹䛛䜙䛭䛾ሗ࿌䛿ᮍ䛰ᑡᩘ䛻䛸䛹䜎䛳䛶䛔䜛㻌[4, 5]䚹㻌

― 33 ―

㻌 䛭䛣䛷ᮏ◊✲䛷䛿䛣䜜䜎䛷䛻ᘬ䛝⥆䛝䚸Ỉ⁐ᾮ୰䛻䛚䛡䜛䝫䝸䝡䝙䝹䜰䝹䝁䞊䝹(PVA)䛸䝶䜴⣲໬

ྜ≀㻔I3−➼㻕䛾㘒యᙧᡂ䛻䜘䜛ⓎⰍ䜢฼⏝䛧䛯䝷䝆䜸䜽䝻䝭䝑䜽䝀䝹⥺㔞ィ(PVA-I䝀䝹⥺㔞ィ)䛾㛤Ⓨ

䜢⾜䛳䛶䛝䛯䚹䛣䛾⥺㔞ィ䛿䚸↷ᑕ๓䛿↓Ⰽ㏱᫂䛷䛒䜛䛜䚸Ỉ⁐ᾮ୰䛷㟁㞳䠄⁐ゎ䠅䛻䜘䜚⏕䛨䛯㻌,^䌦 䛿䚸ᨺᑕ⥺↷ᑕ䛻䜘䛳䛶⏕䛨䛯OH䝷䝆䜹䝹➼䛾Ỉศゎ䝷䝆䜹䝹䛻䜘䜚㓟໬䛥䜜䛶㻌I3− 䜢⏕䛨䚸䛣䜜䛜 PVA 䛾ᮍ䜿䞁໬㒊఩䠄㓑㓟ᇶ㻦㻌CH3COO⁻䠅䛸」ྜయ䠄㟁Ⲵ⛣ື㘒య䠅䜢ᙧᡂ䛩䜛䛣䛸䛻䜘䜚㉥䛟ⓎⰍ 䛩䜛䚹䛥䜙䛻㑏ඖ⢾䛷䛒䜛䝣䝹䜽䝖䞊䝇䛿䚸ᨺᑕ⥺↷ᑕ䛻䜘䜚⏕䛨䛯㻌I3− 䜢ຍ⇕䛻䜘䜚㻌I⁻㻌 䛻㑏ඖ䛧䚸

⣔䜢↓Ⰽ䛾≧ែ䛻ึᮇ໬䛩䜛ാ䛝䜢䛩䜛䚹᫖ᖺᗘ䛿䛣䛾Ỉ⁐ᾮ䜢ᅛ໬䛩䜛䛯䜑䛾䝀䝹໬๣䛸䛧䛶ከ

⢾㢮䛷䛒䜛䝆䜵䝷䞁䜺䝮(GG)䜢⏝䛔䛶䛔䛯䛜䠄PVA-I 䝀䝹⥺㔞ィ䠅䚸䝶䜴໬≀(KI)䛸䛾┦஫స⏝䠄≀

⌮ⓗᯫᶫ䠅䛻䜘䜚ഹ䛛䛺᭎䜢⏕䛨䜛䛣䛸䠄ᩓ஘䞉୙㏱᫂໬䠅䛜᫖ᖺᗘ䛾◊✲䜘䜚᫂䜙䛛䛻䛥䜜䛯䚹䛭䛣䛷 ᮏᖺᗘ䛾◊✲䛷䛿໬Ꮫⓗᯫᶫ๣(GTA)䛻䜘䜛䝀䝹໬䠄PVA-GTA-I 䝀䝹⥺㔞ィ䠅䜢᳨ウ䛧䛯䚹䛣䜜䜢 BNCT䜈ᛂ⏝䛩䜛䛻䛒䛯䜚䚸ཎᏊ⅔䜔⇕୰ᛶᏊᤕ⋓཯ᛂ䛻క䛳䛶Ⓨ⏕䛩䜛䜺䞁䝬⥺䛻ᑐ䛩䜛ᇶ♏

≉ᛶ䜢ホ౯䛩䜛䛯䜑䛾ணഛᐇ㦂䛸䛧䛶䚸ప䜶䝛䝹䜼䞊䜺䞁䝬⥺䠄X⥺䠅䛻ᑐ䛩䜛ᛂ⟅䛸⤌ᡂ䛾᭱㐺໬

䜢⾜䛳䛯䚹㻌 㻌

䠎

䠎䠊䠊㻌㻌 ᐇᐇ㦂᪉ἲ㻌㻌 䠎

䠎䠊䠊䠍䠍㻌㻌 ヨヨᩱ㻌㻌

㻌 ᮏ◊✲䛷స〇䛧䛯㻌PVA-GTA-I 䝀䝹⥺㔞ィ䛿䚸⾲⾲ 㻝㻝 䛻♧䛩䜘䛖䛻䚸㒊ศ䜿䞁໬ᆺ㻔䜿䞁໬ᗘ⣙86- 90%) PVA䛸䝶䜴⣲※䛸䛧䛶䛾䝶䜴໬䜹䝸䜴䝮㻔KI㻕䚸㑏ඖ๣䛸䛧䛶䝣䝹䜽䝖䞊䝇㻔Fructose㻕䚸PVA䜢䝀䝹໬

䛩䜛䛯䜑䛾໬Ꮫⓗᯫᶫ๣䛸䛧䛶䜾䝹䝍䝹䜰䝹䝕䝠䝗(GTA)䚸䛚䜘䜃ᯫᶫ཯ᛂ䜢ಁ㐍䛩䜛㓟Ⓨ⏕๣䛸䛧 䛶䛾䜾䝹䝁䝜䝕䝹䝍䝷䜽䝖䞁(GDL)䚸䛚䜘䜃⁐፹䛸䛧䛶䛾Ỉ䛛䜙䛺䜛䚹ᮏ◊✲䛷䛿䚸GTA 䛸 GDL 䛾⃰

ᗘ䜢ኚ໬䛥䛫䛯䝀䝹䜢స〇䛧䚸⥺㔞ᛂ⟅䛻ᑐ䛩䜛䛭䜜䜙䛾ຠᯝ䜢ㄪ䜉䛯䚹స〇䛧䛯䝀䝹䛿 PMMA

〇䛾ගᏛ䝉䝹䠄䜻䝳䝧䝑䝖䚸㻌 ෆᑍ10×10×45 mm³䠅䛻ᑠศ䛡䛧䛶ᑒධ䛧䛯䚹స〇ᚋ䚸ᜏ ᗜ䠄45℃䠅䛷

୍ᬌຍ 䛧䚸ึᮇ໬䠄ᾘⰍ䠅䛥䛫䛯䚹 㻌

Table 1: The composition of PVA-GTA-I gels. (For convenience, the molarity per 1000 g of water is represented by M in this report.)

Base solution

Water 90 wt%

PVA 10 wt%

Additive

KI 0.1 M

Fructose 0.1 M

GTA 7, 10, 20 mM

GDL 25, 50, 100, 150, 200 mM

― 34 ― 䠎

䠎䠊䠊䠎䠎㻌㻌 ↷↷ᑕ㻌㻌

㻌 ↷ᑕ䛿㏆␥኱ᏛཎᏊຊ◊✲ᡤ䛾㼄⥺Ⓨ⏕⿦⨨䠄᪥❧㻌MBR-1520R-3䠅䛛䜙ᚓ䜙䜜䜛㼄⥺䜢⏝䛔䛯䚹

௒ᅇ䛿⟶㟁ᅽ㻔Vp㻕䜢㻌150 kV䚸⟶㟁ὶ㻔A㻕䛿㻌20 mA䚸⥺㔞⋡㻌3 Gy/min㻌䛻ᅛᐃ䛧䚸0 – 30 Gy㻌䛻ᑐ 䛩䜛⥺㔞ᛂ⟅≉ᛶ䜢ㄪ䜉䛯䚹㻌

㻌 䠎

䠎㻚㻚䠏䠏㻌㻌   ᐃ㻌㻌

⥺㔞ᛂ⟅䛾ホ౯䛿䚸↷ᑕ䛾⩣᪥䚸ᗈᓥᅜ㝿኱Ꮫ䛾⣸እྍどศගගᗘィ䠄ᓥὠ㻌UV-1600PC䠅䜢

⏝䛔䛶350-800 nm䛾⠊ᅖ䛷྾ගᗘ䠄Abs.䠅䛾 ᐃ䜢⾜䛳䛯䚹ཧ↷ヨᩱ䛻䛿⣧Ỉ䜢⏝䛔䚸↷ᑕ䛥䜜䛯

ヨᩱ䛾⥺㔞ᛂ⟅䛿᭱኱྾཰Ἴ㛗㻔λmax= 490 nm㻕䛻䛚䛡䜛ᮍ↷ᑕ䛾ヨᩱ䛻ᑐ䛩䜛྾ගᗘ䠄ΔAbs.䠅䛷 ホ౯䛧䛯䚹㻌

ΔAbs. = Abs.(i) – Abs.(n)

䛣䛣䛷䚸Abs.(i)㻌 䛸Abs.(n)㻌 䛿䛭䜜䛮䜜↷ᑕ䛥䜜䛯䝀䝹⥺㔞ィ䛚䜘䜃ᮍ↷ᑕ䛾䝀䝹⥺㔞ィ䛾྾ගᗘ 䛷䛒䜛䚹㻌

㻌 䠏

䠏㻚㻚㻌㻌 ⤖⤖ᯝ䞉⪃ᐹ㻌㻌

↷ᑕ䛥䜜䛯ヨᩱ䜢Fig.1䛻♧䛩䚹྾཰⥺㔞䛻ᛂ䛨䛶ⓎⰍ䛜⃰䛟䛺䛳䛶䛔䜛䛾䛜┠ど䛷䜒ศ䛛䜛䚹䛣 䜜䛻䜘䜚PVA-GTA-I䝀䝹⥺㔞ィ䜒PVA-I䝀䝹⥺㔞ィ䛸ྠᵝ䛻100kV⛬ᗘ䛾ప䜶䝛䝹䜼䞊ᨺᑕ⥺䠄X

⥺䠅䛻ᑐ䛧䛶඘ศ䛺ឤᗘ䜢ᣢ䛴䛣䛸䛜☜ㄆ䛷䛝䛯䚹㻌

Fig.2䛿䚸ᮍ↷ᑕ(non-irr.)䛾㻌PVA-GTA-I 䛸䛣䜜䜎䛷䛾㻌PVA-I䝀䝹⥺㔞ィ䚸䛚䜘䜃↷ᑕ䛥䜜䛯 (irr.) PVA-GTA-I䝀䝹⥺㔞ィ䛾྾཰䝇䝨䜽䝖䝹䜢♧䛩䚹↷ᑕ䛥䜜䛯䝀䝹⥺㔞ィ䛻䛚䛔䛶䚸྾཰䝢䞊䜽

䛿㻌 㻌λ = 490 nm㻌 ௜㏆䠄ᅗ୰Ⅼ⥺䠅䛻ぢ䜙䜜䜛䛾䛷䚸䛭䛾Ἴ㛗䛷䛾྾ගᗘ䠄㏱᫂ᗘ䠅䛜㔜せ䛻䛺䜛䚹

PVA-I䝀䝹⥺㔞ィ䛷䛿490 nm䛷䛾྾ගᗘ䛿䛚䜘䛭0.04䛷䛒䛳䛯䛜PVA-GTA-I䝀䝹⥺㔞ィ䛷䛿䜋䜌 䝊䝻䛷䚸໬Ꮫⓗᯫᶫ䜢⏝䛔䜛䛣䛸䛻䜘䜚㧗䛔㏱᫂ᛶ䛜ᐇ⌧䛷䛝䛯䚹㻌

Fig.3䛻GTA䛸GDL䛾⃰ᗘ䜢ኚ໬䛥䛫䛯ሙྜ䛾⥺㔞ᛂ⟅䜢♧䛩䚹Fig.3(a)䛻䛚䛔䛶䚸GTA⃰ᗘ ([GTA])䛜ቑຍ䛩䜛䛻䛴䜜䛶ప⥺㔞㡿ᇦ䛷䛾❧䛱ୖ䛜䜚䛜ᝏ䛟䛺䜛䛣䛸䛜䜟䛛䜛䚹䛯䛰䛧䚸[GTA] أ 5 mM㻌 䛷䛿䝀䝹໬䛧䛺䛛䛳䛯䚹ᚑ䛳䛶㻌[GTA] = 7 mM㻌 䜢᥇⏝䛧䛯䚹୍᪉䚸Fig.3(b)䛻䛚䛔䛶䚸GDL⃰

ᗘ([GDL])䛜ቑຍ䛩䜛䛻䛴䜜䛶ప⥺㔞㡿ᇦ䛾❧䛱ୖ䛜䜚䛜ᨵၿ䛧䚸ᛂ⟅䛾┤⥺ᛶ䛜Ⰻ䛟䛺䜛䛣䛸䛜 䜟䛛䜛䚹䛧䛛䛧䚸[GDL] >150 mM㻌 䛷䛿↷ᑕ๓ᚋ䛾⮬ື㓟໬䠄ⓎⰍ䠅䛜ぢ䜙䜜䚸䝧䞊䝇䝷䜲䞁䛾ቑຍ䜢 ᘬ䛝㉳䛣䛩䛣䛸䜒䜟䛛䛳䛯䚹ᚑ䛳䛶㻌50 < [GDL] < 100 mM㻌 ௜㏆䛜㐺ᙜ䛷䛒䜝䛖䚹㻌

௒ᚋ䚸䛥䜙䛻⤌ᡂ䛾᭱㐺໬䛸䚸✚⟬䞉⥺㔞⋡౫Ꮡᛶ䜔᫬㛫䞉✵㛫Ᏻᐃᛶ➼䛾ᇶ♏≉ᛶ䛾ホ౯䜢

⾜䛔䚸᭱⤊ⓗ䛻䛿PVA-GTA-I䝀䝹⥺㔞ィ䛻ᑐ䛩䜛୰ᛶᏊ䝡䞊䝮䛾ᛂ⟅䜢ㄪ䜉䛶䛔䛟ணᐃ䛷䛒䜛䚹㻌 㻌㻌 㻌㻌

㻌㻌 Figure 1: PVA-GTA-I gel dosimeters irradiated at 0 - 30 Gy from left to right.

― 35 ―

㻌㻌

Figure 2: The absorption spectra of irradiated and non-irradiated gel dosimeters.

㻔㻔㼍㻕 㻌㻌 㻌㻌 㻌 㻌 㻔㻔㼎㻕 㻌㻌

Figure 3: Dose response of the gel dosimeters containing different concentration of GTA(a) and GDL(b).

ཧ

ཧ⪃ᩥ⊩㻌㻌

[1] e.g. “Proceedings of International Conference on 3D Radiation Dosimetry (IC3DDose)”, J. Phys. : Conf. Ser., 847 (2017), 573 (2015), 444 (2012), 250 (2010), 164 (2009).

[2] Hayashi S et al, 2010. Radiat. Phys. Chem. 79(7) 803-808.

[3] Hayashi S et al, 2012, Radiat. Phys. Chem. 81(7) 884-888.

[4] Uusi-Simola J et al, 2007, J. Appl. Clin. Med. Phys. 8 114–23.

[5] Gambarini G et al, 2010, Radiat. Meas. 45 1398−1401.

㻌㻌 ᴗ

ᴗ⦼୍ぴ㻌㻌

䞉 ᯘ㻘㻌 ௚㻘㻌 䛂䝫䝸䝡䝙䝹䜰䝹䝁䞊䝹䠉䝶䜴⣲㘒య䜢⏝䛔䛯ྍ㏫ⓗ3ḟඖ䝷䝆䜸䜽䝻䝭䝑䜽䝀䝹

⥺㔞ィ(II)䛃㻌 ➨21ᅇ㻌 䝶䜴⣲Ꮫ఍䝅䞁䝫䝆䜴䝮䠄༓ⴥ㻘㻌2018.9.14㻕㻌

䞉 J. Taño et al., "Development of a reusable PVA-GTA-I gel dosimeter for 3D radiation dose assessments", 10th International Conference on 3D and Advanced Dosimetry (Kunshan, China, 2018.9.16-19)㻌

䞉 S. Hayashi et al., "Influence of the components of a radiochromic PVA-Iodide gel dosimeter on the optical dose response", 10th International Conference on 3D and Advanced Dosimetry (Kunshan, China, 2018.9.16-19)