現今社會各項犯罪中，多數犯嫌已懂得如何在犯罪現場中，利用各種方法避免指紋證據，防止留下犯罪線索，進而使得刑案現場多元化的採證方式，更顯得重要；而「頭髮」係屬多元化採證的重要跡證之ㄧ，尤其人類的頭髮約十萬根，每天自然脫落的頭髮約數十根，若犯嫌犯案時與被害人有所拉扯則現場所遺留的頭髮將更多。
現今的鑑識技術，頭髮跡證皆以DNA的鑑驗為主，惟費時及失敗率頗高；”染髮”早已成為社會的潮流，非特定人的專屬的權利，本研究因而設定以頭髮上的染髮劑為主要分析之載具；透過傅立葉轉換顯微紅外光譜儀（FT-IR Microspectroscopy）分析染髮劑之差異，進而討&;#63809;能否以該鑑析方式區別出&;#63847;同廠牌、型號。
經蒐集市售上的常見染髮劑計有8種品牌共83型號，經以顯微紅外光譜儀分析共可分成69種類別，且各類染髮劑間的差異明顯，可達到分&;#63952;或個化之目的。
透過本研究建&;#63991;本土相關資&;#63934;庫，可供日後鑑驗、比對，並可以提供實務單位作為日後犯罪偵查比對之所需，雖無法確切個化比對犯嫌，但可以縮小犯嫌偵查範圍，對於偵查犯罪有所助益。

目錄………………………………………………………………………I
圖目錄……………………………………………………………………IV
表目錄…………………………………………………………………VIII
1 緒論……………………………………………………………………1
1.1前言…………………………………………………………………1
1.2研究目的與動機……………………………………………………3
2 文獻探討................................................4
2.1染髮劑的由來..........................................4
2.2染髮劑的分類………………………………………………………5
2.3染髮劑的分析法……………………………………………………6
3 顯微紅外光譜儀在微物跡證上之應用 .......................8
3.1紅外光譜分析原理......................................8
3.2鑑識科學上常見之微物跡證 ............................10
4 實驗設備與方法.........................................12
4.1樣品來源.............................................12
4.2實驗設備.............................................16
4.3實驗方法.............................................17
4.3.1分析染髮劑成分......................................17
4.3.2染髮上染髮劑之分析..................................17
4.4顯微紅外光譜分析......................................18
4.4.1染髮劑分析..........................................18
4.4.2頭髮分析............................................19
4.4.3染髮劑表準圖庫建立..................................20
4.4.4鑑別力的計算 .......................................22
5 結果與討論 .............................................23
5.1顯微紅外光譜儀分析染髮劑之再現性......................23
5.2染髮劑有無添加第二劑(雙氧水)之差異....................27
5.2.1染髮劑有添加第二劑(雙氧水)時間性之差異 .............32
5.3同廠牌染髮劑之比較結果................................34
5.3.1 GARNIER(卡尼爾).................................35
5.3.2 HENKEL(寶王)....................................49
5.3.3 Hoyu Bigen(麗絲美源)............................52
5.3.4 ROUDYE(柔蝶)....................................55
5.3.5 Matsuki(媚緦綺).................................58
5.3.6 MAY WU FA(美吾髮)...............................62
5.3.7 Marian(燕子瑪麗安)..............................77
5.3.8 L’OREAL(巴黎萊雅)..............................81
5.4不同廠牌染髮劑之比較結果..............................87
5.5相同染髮劑光譜與顏色討論..............................95
5.6整體鑑別力計算與討論..................................98
5.7染髮劑染於頭髮上之差異...............................100
5.8染髮劑資料庫建立.....................................104
6 結論 ..................................................107
6.1紅外線光譜分析染髮劑成分之再現性 ...................107
6.2染髮劑有無添加雙氧水對成分之關係 ...................108
6.3紅外線光譜分析各家廠牌結果 .........................109
6.4本研究未來發展方向 .................................111
參考文獻 ................................................112
附錄 ....................................................114論文全文

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